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CN105752802A - Ball-screw transmitting-type elevator - Google Patents

Ball-screw transmitting-type elevator Download PDF

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Publication number
CN105752802A
CN105752802A CN201610261725.5A CN201610261725A CN105752802A CN 105752802 A CN105752802 A CN 105752802A CN 201610261725 A CN201610261725 A CN 201610261725A CN 105752802 A CN105752802 A CN 105752802A
Authority
CN
China
Prior art keywords
ball
screw
knapsack
rotating shaft
rack
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201610261725.5A
Other languages
Chinese (zh)
Other versions
CN105752802B (en
Inventor
张俊岗
马善振
苏子龙
刘建
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.)
Shandong Yuanxin Elevator Co ltd
Original Assignee
SHANDONG DAMING SHENGKAI INDUSTRIAL Co Ltd
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 SHANDONG DAMING SHENGKAI INDUSTRIAL Co Ltd filed Critical SHANDONG DAMING SHENGKAI INDUSTRIAL Co Ltd
Priority to CN201610261725.5A priority Critical patent/CN105752802B/en
Publication of CN105752802A publication Critical patent/CN105752802A/en
Application granted granted Critical
Publication of CN105752802B publication Critical patent/CN105752802B/en
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Classifications

    • 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
    • B66B9/02Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • B66B9/025Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by screw-nut drives
    • 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
    • B66B11/0035Arrangement of driving gear, e.g. location or support
    • 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
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • B66B11/043Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0446Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The invention provides a ball-screw transmitting-type elevator. The technical problems that in the prior art, the movement speed of an elevator is low, the maintaining workload is large, and the elevator can not meet the requirements of multiple use occasions are solved. The ball-screw transmitting-type elevator comprises a hollow shaft motor, a ball nut, a ball screw, a backpack frame and a control system. The ball nut is connected to the lower end of a hollow rotating shaft, and the hollow rotating shaft is arranged on the ball screw in a sleeving mode; a transmitting device is fixedly connected with a lift car through the backpack frame, and the transmitting device and the backpack frame are both located on the back side of the lift car; a shaft frame comprises backpack frame guide rails, and the backpack frame guide rails are sleeved with the two ends of the backpack frame; the control system comprises a rotating encoder and a contracting brake device, the rotating encoder is fixed to the lower portion of the hollow rotating shaft, and the brake holding device is installed at the upper portion of the hollow rotating shaft. The ball-screw transmitting-type elevator is high in movement speed and small in noise, and is applied to multiple use occasions.

Description

A kind of ball-screw-transmission formula elevator
Technical field
The present invention relates to elevator technology field, specifically a kind of ball-screw-transmission formula elevator.
Background technology
Elevator obtains commonly used popularization as a kind of important vehicles, and elevator of the prior art is used mostly, with steel wire rope or the Steel belt elevator of counterweight;Some producers also have developed screw leading screw occlusion transmission elevator.But, elevator of the prior art comes with some shortcomings part.First, adopt the steel wire rope with counterweight or Steel belt elevator, it is necessary to weight guide is set in hoistway frame, and needs to arrange machine room at the top of hoistway frame, apparatus structure is complicated, and maintenance work workload is big;Additionally the bottom of most hoistway needs to arrange pit, and the enabling direction of lift car is limited in unidirectional or two-way, largely limits the use scope of elevator.Second elevator using screw or lead screw transmission, owing to adopting the slip kind of drive between screw and leading screw, therefore in running process of elevator, serious wear between screw and leading screw, noise is big, movement velocity is low, and the life-span of device also arrives guarantee.Accordingly, it is desirable to provide a kind of new elevator transmission scheme, solve deficiency of the prior art, to meet the demand of multiple use occasion.
Summary of the invention
It is an object of the invention to provide a kind of ball-screw-transmission formula elevator, to solve that elevator motion speed in prior art is low, maintenance workload big, elevator can not meet the technical problem of multiple use occasion.
This invention address that its technical problem is adopted the technical scheme that:
A kind of ball-screw-transmission formula elevator, including actuating device, Knapsack-rack, car, hoistway frame and control system;Described actuating device includes hollow shaft motor, ball screw and ball-screw;Described hollow shaft motor includes hollow rotating shaft, and described ball screw is by Flange joint in described hollow rotating shaft lower end, and described hollow rotating shaft is sleeved on described ball-screw, and described ball screw and described ball-screw are provided with ball;Described ball-screw is fixed on described hoistway frame;
Described actuating device is connected by Knapsack-rack and described car are fixing;Described actuating device and Knapsack-rack are respectively positioned on the rear side of described car;Described hoistway frame includes Knapsack-rack guide rail, and the two ends of described Knapsack-rack are sleeved on described Knapsack-rack guide rail;
Described control system includes rotary encoder and band brake apparatus, and described rotary encoder is fixed on the bottom of described hollow rotating shaft, and described band brake apparatus is arranged on the top of described hollow rotating shaft.
The outer surface of described hollow rotating shaft bottom is provided with antiskid thread, and described hollow rotating shaft bottom is spirally connected thrust pad.
Described ball screw includes nut, screw flange, ball and reverser, is provided with groove in the axial walls of described nut, and described reverser inserts in groove after placing side by side.
The reflex angle of described reverser is 60 °-65 °.
The two ends of described Knapsack-rack are provided with leads boots, described in lead and in boots, be provided with roller bearing.
It is provided with buffer spring between described Knapsack-rack and described car.
Described Knapsack-rack includes tie-beam, and described tie-beam is connected with described actuating device by fixture, and described fixture includes fixing plate and side connecting plate, and described side connecting plate adopts " u "-shaped structure.
The invention has the beneficial effects as follows:
1, the elevator of present invention design adopts ball screw and ball leading screw driving mode, and owing to the kind of drive is rolling movement, the frictional resistance that therefore device is subject to is little, and this kind elevator motion speed is fast, noise is little, and can strengthen service life.
2, actuating device of the present invention is positioned at the rear side of described car, and compared with prior art, car can arrange enabling in three directions, and the bottom of hoistway need not arrange pit, it is possible to meets the instructions for use of multiple annular.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation at the hollow shaft motor place in Fig. 1 of the present invention;
Fig. 3 is ball-screw of the present invention and ball screw annexation schematic diagram;
In figure: 1. hollow shaft motor;2. ball screw;3. ball-screw;4. flange;5. rotary encoder;6. band brake apparatus;7. Knapsack-rack;8. car;9. hoistway frame;10. Knapsack-rack guide rail;11. ball;12. reverser;13. hollow rotating shaft.
Detailed description of the invention
As shown in Figures 1 to 3, a kind of ball-screw-transmission formula elevator, including actuating device, Knapsack-rack 7, car 8, hoistway frame 9 and control system;
Described actuating device includes hollow shaft motor 1, ball screw 2 and ball-screw 3;Described hollow shaft motor 1 includes internal stator and hollow rotating shaft 13, the centrage of described hollow rotating shaft 13 overlaps with the axis of symmetry of described hollow shaft motor 1, equal to ensure hollow rotating shaft 13 the right and left hollow shaft motor 1 construction weight, it is ensured that the stationarity of left and right directions in hollow shaft motor 1 operation process;The casing of described hollow shaft motor 1 is all stretched out in the upper and lower of described hollow rotating shaft 13;
Described hollow shaft motor 1 is sleeved on described ball screw 3 by described hollow rotating shaft 13;The sidewall of the bottom of described hollow rotating shaft 13 is provided with keyway, key connecting adpting flange 4 is passed through in the bottom of described hollow rotating shaft 13, described flange 4 is sleeved on the bottom of described hollow rotating shaft 13, the outer surface of described hollow rotating shaft 13 bottom is provided with antiskid thread, described hollow rotating shaft 13 bottom suit thrust pad, described thrust pad is fixing with described antiskid thread to be spirally connected, the lower surface of the upper surface of the thrust pad after being spirally connected and described flange 4 is in close contact, and the Main Function of described thrust pad is to prevent from flange 4 from sliding from hollow rotating shaft 13 to come off;
Described flange 4 is provided with bolt hole, described ball screw 2 is bolted on the bottom of described flange 4, described ball screw 2 is sleeved on described ball-screw 3, and the central shaft of described ball screw 2 overlaps with the central shaft of described ball-screw 3, it is ensured that both axialities;
Described ball-screw 3 adopts cylindrical structure, the top and bottom of described leading screw to be separately fixed at top and the bottom of described hoistway frame 9;Described ball-screw 3 outer surface is provided with external screw thread groove;
Described ball screw 2 includes nut, screw flange 4, ball 11 and reverser 12, and described nut is fixing with screw flange 4 to be welded, and described nut is provided with female thread groove;Described ball 11 is between described female thread groove and external screw thread groove, when hollow shaft motor 1 drives ball screw 2 to rotate, described ball screw 2 is moved along described ball-screw 3 scroll-up/down by ball 11, and described ball 11 is constantly moved at nut internal recycle by reverser 12;The kind of drive of such elevator power device achieves rolling transmission, and compared with prior art, its frictional resistance is little, and movement velocity is accelerated, and noise reduces, and service life increases.Rolling the kind of drive owing to elevator adopts, therefore device wear extent is little, is greatly reduced maintenance work, reduces use cost.
Described nut be axially provided with groove, described reverser 12 inserts in groove after placing side by side, the reflex angle of described reverser 12 is 60 °-65 °, the screw lead screw pair that ball screw 2 in this device and ball-screw 3 are formed, change the reflex angle of conventional counter device 12, make reverser 12 have original single-row reverser 12 to become many arrays reverser 12, the bearing capacity of ball screw 2 and lead screw pair can be greatly improved;Owing to being not provided with counter weight device in the present invention, therefore the screw lead screw pair of this kind of structure disclosure satisfy that bearing requirements.
Described actuating device is installed on the rear side of described car 8, and described hollow shaft motor 1 is connected by described Knapsack-rack 7 is fixing with the car frame rear wall of described car 8;Described Knapsack-rack 7 is for being transferred to car 8 by the power of hollow shaft motor 1, in order to make car 8 stress equalization reduce vibrations;
Actuating device of the present invention is positioned at the rear side of described car 8, and compared with prior art, car 8 can be implemented in three directions and arranges enabling, and the bottom of hoistway need not arrange pit, it is possible to meet the instructions for use of multiple environment;
Described Knapsack-rack 7 includes cross-arm, lower cross-arm and tie-beam, the distribution parallel with lower cross-arm of described upper cross-arm, and described tie-beam connects fixing for the centre position of upper cross-arm and lower cross-arm;
Described upper cross-arm and lower cross-arm are separately fixed at the upper and lower of the car frame of described car 8, be provided with buffer spring, be provided with lower buffer spring between described lower cross-arm and described car frame between described upper cross-arm and described car frame;Upper buffer spring and lower buffer spring, when elevator brings into operation and stops, playing cushioning effect, and to reduce the vibrations of car 8, increase people take comfort during elevator;Described tie-beam is connected by fixture is fixing with described hollow shaft motor 1,
Described fixture includes fixing plate and side connecting plate, described fixing plate is bolted to connection on described hollow shaft motor 1, described side connecting plate adopts " u "-shaped structure, the back side panel of described side connecting plate is fixing with described fixing plate to be connected, described side connecting plate includes two side panels, and two described side panels are fixed with the two of described tie-beam sides multiple bolts of employing respectively and are connected;Owing to elevator is in running, one of Main Function of Knapsack-rack 7 is that the power of hollow shaft motor 1 is passed to car 8, and main power is the tangential force of opposite planar, in the present invention, the vertical dimension of two side panel arrangement of the side connecting plate of fixture is bigger, it is possible to tolerate bigger tangential force;And when a side panel of side connecting plate lost efficacy, another side panel also can temporarily play fixing interconnection function, strengthens the safety of elevator.Described fixture adopts 40Cr material, and tensile strength and the yield strength of this Steel material are bigger, it is possible to strengthen the unfailing performance of fixture.
Described fixture side is fixed on the centre position of described Knapsack-rack 7, opposite side is fixed on described hollow shaft motor 1, so can realize the upper and lower uniform application to Knapsack-rack 7, it is to avoid Knapsack-rack 7 one end force is excessive, cause the reduction in Knapsack-rack 7 service life;
The two ends of the upper cross-arm of described Knapsack-rack 7 are provided with leads boots, and described leading is provided with roller bearing in boots, and described roller bearing is rotating is arranged on described leading on boots;The two ends of the lower cross-arm of described Knapsack-rack 7 are provided with leads boots, and described leading is provided with roller bearing in boots, and described roller bearing is rotating is arranged on described leading on boots;Described Knapsack-rack guide rail 10 is fixedly mounted on described hoistway frame 9, described boots of leading are sleeved on described Knapsack-rack guide rail 10, roller bearing it is provided with in boots owing to leading, therefore, lead between boots and Knapsack-rack guide rail 10 is roll relative motion, it is possible to reduce the frictional resistance that Knapsack-rack 7 moves along Knapsack-rack guide rail 10;
Described control system includes rotary encoder 5 and band brake apparatus 6, described rotary encoder 5 is fixedly mounted on the hollow rotating shaft 13 of described hollow shaft motor 1 bottom, and described bag brake gear is connected on the hollow rotating shaft 13 on described hollow shaft motor 1 top by spline;Described rotary encoder 5 detects the rotating speed of hollow rotating shaft 13, and by calculating, the rotating speed of hollow rotating shaft 13 is converted into car 8 rectilinear motion data, and described control system is tested the speed by rotary encoder 5 and coordinates band brake apparatus 6 to realize elevator overspeed protecting.
Except the technical characteristic described in description, it is the known technology of those skilled in the art.
The specific embodiment of the present invention is described in conjunction with accompanying drawing although above-mentioned; but not limiting the scope of the invention; on the basis of technical solution of the present invention, those skilled in the art need not pay various amendments or deformation that performing creative labour can make still in protection scope of the present invention.

Claims (7)

1. a ball-screw-transmission formula elevator, it is characterised in that include actuating device, Knapsack-rack, car, hoistway frame and control system;Described actuating device includes hollow shaft motor, ball screw and ball-screw;Described hollow shaft motor includes hollow rotating shaft, and described ball screw is by Flange joint in described hollow rotating shaft lower end, and described hollow rotating shaft is sleeved on described ball-screw, and described ball screw and described ball-screw are provided with ball;Described ball-screw is fixed on described hoistway frame;
Described actuating device is connected by Knapsack-rack and described car are fixing;Described actuating device and Knapsack-rack are respectively positioned on the rear side of described car;Described hoistway frame includes Knapsack-rack guide rail, and the two ends of described Knapsack-rack are sleeved on described Knapsack-rack guide rail;
Described control system includes rotary encoder and band brake apparatus, and described rotary encoder is fixed on the bottom of described hollow rotating shaft, and described band brake apparatus is arranged on the top of described hollow rotating shaft.
2. a kind of ball-screw-transmission formula elevator according to claim 1, is characterized in that, the outer surface of described hollow rotating shaft bottom is provided with antiskid thread, and described hollow rotating shaft bottom is spirally connected thrust pad.
3. a kind of ball-screw-transmission formula elevator according to claim 1, is characterized in that, described ball screw includes nut, screw flange, ball and reverser, is provided with groove in the axial walls of described nut, and described reverser inserts in groove after placing side by side.
4. a kind of ball-screw-transmission formula elevator according to claim 3, is characterized in that, the reflex angle of described reverser is 60 °~65 °.
5. a kind of ball-screw-transmission formula elevator according to claim 1, is characterized in that, the two ends of described Knapsack-rack are provided with leads boots, described in lead and in boots, be provided with roller bearing.
6. a kind of ball-screw-transmission formula elevator according to claim 1, is characterized in that, be provided with buffer spring between described Knapsack-rack and described car.
7. a kind of ball-screw-transmission formula elevator according to claim 6, it is characterized in that, described Knapsack-rack includes tie-beam, and described tie-beam is connected with described actuating device by fixture, described fixture includes fixing plate and side connecting plate, and described side connecting plate adopts " u "-shaped structure.
CN201610261725.5A 2016-04-25 2016-04-25 A kind of ball-screw-transmission formula elevator Active CN105752802B (en)

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CN105752802B CN105752802B (en) 2018-07-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106494969A (en) * 2016-12-08 2017-03-15 宁波永良电梯技术发展有限公司 Lead-screw elevator
CN109681598A (en) * 2019-02-28 2019-04-26 昇翰科技(深圳)有限公司 With polytropism ball-type opening nut and transmission device
CN109741534A (en) * 2019-01-18 2019-05-10 绵阳市智慧鸟软件技术有限公司 A kind of vertical lift picking mechanism of vending machine
CN110342382A (en) * 2019-08-01 2019-10-18 董古 A kind of spiral elevator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330809A1 (en) * 1988-03-03 1989-09-06 Schaffer, Dagmar Lift without machine room
CN1944217A (en) * 2005-10-08 2007-04-11 上银科技股份有限公司 Lift screw structure
CN101214898A (en) * 2007-01-04 2008-07-09 大银微系统股份有限公司 Torque moment motor type elevator
CN201866190U (en) * 2010-08-31 2011-06-15 汉江机床厂昆山分厂 Internal circulating type ball screw pair assembly
CN201942392U (en) * 2010-03-17 2011-08-24 万长江 Passenger elevator for multi-story residential building
CN203246983U (en) * 2013-03-21 2013-10-23 李国锋 Household ball screw type elevator
CN204454182U (en) * 2014-12-23 2015-07-08 浙江法斯特电梯有限公司 A kind of one side supporting elevator
CN104860158A (en) * 2015-04-27 2015-08-26 胡国良 Lead screw elevator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330809A1 (en) * 1988-03-03 1989-09-06 Schaffer, Dagmar Lift without machine room
CN1944217A (en) * 2005-10-08 2007-04-11 上银科技股份有限公司 Lift screw structure
CN101214898A (en) * 2007-01-04 2008-07-09 大银微系统股份有限公司 Torque moment motor type elevator
CN201942392U (en) * 2010-03-17 2011-08-24 万长江 Passenger elevator for multi-story residential building
CN201866190U (en) * 2010-08-31 2011-06-15 汉江机床厂昆山分厂 Internal circulating type ball screw pair assembly
CN203246983U (en) * 2013-03-21 2013-10-23 李国锋 Household ball screw type elevator
CN204454182U (en) * 2014-12-23 2015-07-08 浙江法斯特电梯有限公司 A kind of one side supporting elevator
CN104860158A (en) * 2015-04-27 2015-08-26 胡国良 Lead screw elevator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106494969A (en) * 2016-12-08 2017-03-15 宁波永良电梯技术发展有限公司 Lead-screw elevator
CN109741534A (en) * 2019-01-18 2019-05-10 绵阳市智慧鸟软件技术有限公司 A kind of vertical lift picking mechanism of vending machine
CN109741534B (en) * 2019-01-18 2024-06-07 广东柏菲智能科技有限公司 Vertical lifting goods taking mechanism of vending machine
CN109681598A (en) * 2019-02-28 2019-04-26 昇翰科技(深圳)有限公司 With polytropism ball-type opening nut and transmission device
CN110342382A (en) * 2019-08-01 2019-10-18 董古 A kind of spiral elevator

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Address after: 251400 21 Xinyuan street, Jinbei Development Zone, Jiyang, Ji'nan, Shandong

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