CN109132794A - A kind of screw vertical lift and its working method - Google Patents

A kind of screw vertical lift and its working method Download PDF

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Publication number
CN109132794A
CN109132794A CN201811021713.0A CN201811021713A CN109132794A CN 109132794 A CN109132794 A CN 109132794A CN 201811021713 A CN201811021713 A CN 201811021713A CN 109132794 A CN109132794 A CN 109132794A
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CN
China
Prior art keywords
carriage
screw
screw rod
plate
gear
Prior art date
Application number
CN201811021713.0A
Other languages
Chinese (zh)
Other versions
CN109132794B (en
Inventor
陈依凌
Original Assignee
泉州创源机电科技有限公司
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Priority to CN201811021713.0A priority Critical patent/CN109132794B/en
Priority to CN201610842583.1A priority patent/CN106315368B/en
Publication of CN109132794A publication Critical patent/CN109132794A/en
Application granted granted Critical
Publication of CN109132794B publication Critical patent/CN109132794B/en

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Classifications

    • 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
    • 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
    • B66B11/02Cages, i.e. cars
    • B66B11/0226Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/021Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/28Buffer-stops for cars, cages, or skips
    • B66B5/284Buffer-stops for cars, cages, or skips mounted on cars or counterweights

Abstract

The invention discloses a kind of screw vertical lift and its working methods, it is related to field of transport machinery, including hoistway, carriage and driving mechanism, driving mechanism includes motor, drive rod and complex root screw rod, screw rod described in complex root is vertically arranged at around carriage, each screw rod is arranged with a nut, nut is connected to carriage by the first connector, each screw rod is equipped with a second gear, the output shaft of motor is equipped with worm screw, the upper end of drive rod is equipped with the worm gear being meshed with worm screw, and lower end is equipped with the first gear mutually engaged with each second gear.Beneficial effects of the present invention: realizing the movement of carriage lifting using the screw drive mode of screw rod and nut, with certain self-locking function and laborsaving, fall event can occur to avoid carriage.The design of worm and worm wheel allows driving mechanism with self-locking function, guarantees the controllability and safety of equipment.The design of second gear and first gear can guarantee that four screw rods rotate synchronously, and allow carriage to go up and down more steady.

Description

A kind of screw vertical lift and its working method

Technical field

The present invention relates to field of transport machinery, more specifically a kind of screw vertical lift and its working method.

Background technique

Elevator is a kind of using motor as the vertical conveyor of power, be equipped with box-like gondola, for tier building multiply people or The means of transport of carrying cargo.Vertical lift elevator has a carriage, operate at least two column it is vertical or inclination angle be less than Between 15 ° of rigid guideway.Car size and structure type are convenient for passenger's discrepancy or handling goods.No matter traditionally its driving side How is formula, using elevator as the general name of vertical transportation means of transport in building.19th century, mid-term started hydraulic elevator occur, until The present is still applied on low-rise building.1852, the E.G. Otis in the U.S. developed the safety cage of rope hoisting.It is existing Having elevator, there are still following problems: when 1. elevators break down, the possibility that carriage presence is fallen, and the carriage in middle-high building It is easy for bringing great damage there is a situation where passenger's death once falling.2. having been reported that seating elevator when in news The reason of Shi Yin makes a misstep the event for crashing into hoistway and death, makes a misstep is carriage and layer door sequence when elevator stops, and passenger is not Enter layer door in the case where knowing, leads to make a misstep crashing into hoistway.

Summary of the invention

The present invention provides a kind of screw vertical lift and its working method, it is therefore intended that solving existing elevator, there are carriages There are be easy to happen the event that passenger makes a misstep when falling risk, carriage and layer door sequence.

The present invention adopts the following technical scheme:

A kind of screw vertical lift, including hoistway, carriage and the driving mechanism for being vertically moved up or down carriage in hoistway, the drive Motivation structure includes motor, drive rod and complex root screw rod, and screw rod described in complex root is vertically arranged at around carriage, the screw rod Upper and lower ends are rotatablely arranged at the upper and lower ends of hoistway;Each screw rod is arranged with a nut, and the nut connects by first Fitting is connected to the carriage, and each screw rod is equipped with a second gear, and the output shaft of the motor is equipped with worm screw, the drive rod Upper end be equipped with the worm gear that is meshed with worm screw, lower end is equipped with the first gear mutually engaged with the second gear of each screw rod.

Further, the quantity of the screw rod is four, and four screw rods are set to the left and right sides of carriage in pairs, described First connector includes bottom plate, and a side of the bottom plate is equipped with the first side plate, and another adjacent side end is equipped with the second side plate, and the bottom of at One is formed on plate for wrapping up the groove at carriage base angle, the lateral wall of first side plate is equipped with the nut.

Further, the upper surface of the bottom plate is equipped with an at least bolt, and the bottom surface of the carriage is equipped with to be matched with bolt Blind hole.

Further, the surface of the groove is equipped with elastic rubber layer.

Further, be equipped between the lower end surface of the bottom plate and the first side plate is in triangular prism shaped stiffening plate.

Further, the first support plate and the second support plate being spaced apart from each other, well headroom and first are equipped in the hoistway The first computer room is formed between support plate, and the second computer room is formed between the first support plate and the second support plate;The drive rod passes through Bearing is rotatablely arranged at well headroom, the first support plate and the second support plate, and worm gear is located at the first computer room, the first tooth Wheel is located at the second computer room;The screw rod is rotatablely arranged at the first support plate and the second support plate, the screw rod by bearing Side wall on sustained height be equipped at least three equally distributed support arms, the support arm be equipped at least one with second support The inconsistent idler wheel in the upper surface of plate.

Further, the upper surface of the second support plate is equipped with the circular ring shape guide groove matched with idler wheel.

Further, the surface of the circular ring shape guide groove is installed with guide rail.

It further, further include upper roller shutter and lower roller shutter, the hoistway is interior to be equipped with upper winding shaft in the top of carriage, in carriage Lower section is equipped with lower winding shaft, and for the one ends wound of the upper roller shutter in upper winding shaft, the other end is connected to the upper surface of carriage, the last volume For the one ends wound of curtain in lower winding shaft, the other end is connected to the lower end surface of carriage;Upper winding shaft is equipped for winding upper roller shutter Torsional spring, lower winding shaft are equipped with the lower torsional spring for winding lower roller shutter.

A kind of working method of above-mentioned screw vertical lift: the lower end of the drive rod is equipped with the second tooth with each screw rod The first gear mutually engaged is taken turns, guarantees that four screw rods rotate synchronously, when electric motor driven screw rotation, utilizes four screw rods The movement of carriage lifting is realized with the screw drive mode of nut;When carriage rises, lower roller shutter expansion is pulled, upper rolling screen door exists Winding is in upper winding shaft under the action of upper torsional spring;When cage descending, roller shutter is unfolded in pulling, and lower roller shutter is under the action of lower torsional spring It winds in lower winding shaft, upper roller shutter and lower roller shutter form a barrier in the upper and lower of lift-cabin door board, when elevator stops and carriage and layer When door misplaces, this road barrier can be separated each layer door with hoistway, and passenger is avoided to crash into hoistway because making a misstep.

Further, four base angles of the first connector package carriage by four with nut, to support entire sedan-chair Compartment;When one of them first connector breaks down, when can not normally rise along screw rod, carriage can also connect at other three first Rise under the support of fitting.

Further, carriage is assigned to the weight on each screw rod and is born by these support arms and idler wheel, thus by screw rod Weight is born in upper end, avoids the screw rod lower end from deforming because load-bearing is excessive.

Further, the bolt and blind hole are mutually socketed, it is possible to reduce the stress of the first side wall and second sidewall prevents A connection piece is mutually slided with carriage.

Further, due between each part may there is fine differences, and these fine differences may allow respectively First connector generates progressive error between each other when rising or falling, and elastic rubber layer can effectively neutralize progressive error, mentions Rise the reliability and stationarity of the elevator.

By the above-mentioned description to structure of the invention it is found that the present invention has the advantage that

One, the present invention, including hoistway, carriage and driving mechanism, driving mechanism include motor, drive rod and complex root screw rod, Each screw rod is arranged with a nut, and nut is connected to carriage by connector, and each screw rod is equipped with a second gear, motor it is defeated Shaft is equipped with worm screw, and the upper end of drive rod is equipped with the worm gear being meshed with worm screw, and lower end is equipped with equal with the second gear of each screw rod Intermeshing first gear.The present invention is rotated by electric motor driven screw, utilizes the screw drive mode of screw rod and nut reality The movement of existing carriage lifting, the design of screw rod and nut allow above-mentioned driving mechanism to have self-locking function, can prevent carriage Fall event, simultaneously because the presence of worm screw and turbine, makes above-mentioned driving mechanism increase one layer of self-locking function, to guarantee equipment Controllability and safety.The lower end of drive rod is equipped with the first gear mutually engaged with the second gear of each screw rod, this to set Meter can guarantee that four screw rods rotate synchronously, and allow carriage to go up and down more steady.

Secondly, the invention also includes upper roller shutter, lower roller shutter, upper winding shaft and lower winding shafts, the one ends wound of upper roller shutter is in upper volume Axis, the other end are connected to the upper surface of carriage, and for the one ends wound of lower roller shutter in lower winding shaft, the other end is connected to the lower end of carriage Face.When carriage rises, lower roller shutter expansion is pulled, upper rolling screen door is wound under the action of upper torsional spring in upper winding shaft;When cage descending, Roller shutter is unfolded in pulling, and lower roller shutter is wound under the action of lower torsional spring in lower winding shaft, and upper roller shutter and lower roller shutter are in lift-cabin door board Upper and lower forms a barrier, when elevator stops, and carriage and layer door misplace, this road barrier can by each layer door and hoistway every It opens, passenger is avoided to crash into hoistway because making a misstep.

Thirdly, in the present invention, the first support plate and the second support plate are equipped in hoistway, and the first computer room is formed in hoistway With the second computer room;Drive rod is rotatablely arranged at well headroom, the first support plate and the second support plate, and snail by bearing Wheel is located at the first computer room, and first gear is located at the second computer room;Screw rod is rotatablely arranged at the first support plate and by bearing Two support plates, the side wall of the screw rod are equipped at least three equally distributed support arms on sustained height, and each support arm is set Have at least one and second support plate the inconsistent idler wheel in upper surface.Carriage is assigned to the weight on each screw rod by these support arms It is born with idler wheel, weight is thus born by the upper end of screw rod, it can be to avoid screw rod lower end because of load-bearing is excessive asking of deforming Topic.And the first support plate and the second support plate are formed by the first computer room and the second computer room, it can be by the main machine of driving mechanism Tool part is spaced from each other with the carriage in hoistway, guarantee carriage in peace and quiet, while also facilitate staff to driving mechanism into Row daily maintenance and maintenance.

Four, in the present invention, the first connector includes bottom plate, and a side of the bottom plate is equipped with the first side plate, another adjacent Side is equipped with the second side plate, and forms one for wrapping up the groove at carriage base angle on bottom plate, and the lateral wall of the first side plate is equipped with Nut.Four base angles that carriage is wrapped up by four the first connectors with nut, to support entire carriage, easy disassembly Carriage.When one of them first connector breaks down, when can not normally rise along screw rod, carriage also can be three first at other Rise under the support of connector.

Five, in the present invention, the first connector includes bottom plate, and the upper surface of bottom plate is equipped with an at least bolt, the bottom of carriage Face is equipped with the blind hole matched with bolt, and bolt and blind hole are mutually socketed, it is possible to reduce the stress of the first side wall and second sidewall, Prevent the first connector from mutually sliding with carriage.The surface of the groove of first connector is equipped with elastic rubber layer.Due to each zero Between part may there is fine differences, and these fine differences may allow each first connector mutual when rising or falling Between generate progressive error, and elastic rubber layer can effectively neutralize progressive error, promote the reliability and stationarity of the elevator.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 be carriage four base angles respectively corresponding to the first connector.

Fig. 3 is the structural schematic diagram of the second connector.

Fig. 4 is the cross-sectional view of the second connector.

Specific embodiment

Illustrate a specific embodiment of the invention with reference to the accompanying drawings.

Referring to Fig.1, a kind of screw vertical lift, including hoistway a, carriage 1 and it is vertically moved up or down carriage 1 in hoistway a Driving mechanism 2.Driving mechanism 2 includes motor 21, drive rod 22 and complex root screw rod 23.Wherein complex root screw rod 23 is set vertically It is placed in around carriage 1, the upper and lower ends of each screw rod 23 are rotatablely arranged at the upper and lower ends of hoistway a.Each screw rod 23 It is arranged with a nut 24, and nut 24 is connected to carriage 1 by the first connector 3.Each screw rod 23 is equipped with a second gear 231, the output shaft of motor 21 is equipped with worm screw 211, and the upper end of drive rod 22 is equipped with the worm gear 221 being meshed with worm screw 211, lower end Equipped with the first gear 222 mutually engaged with the second gear 231 of each screw rod 23.As a preferred solution:

Referring to Figures 1 and 2, as a preferred solution: the quantity of screw rod 23 is four, four screw rods 23 are set to carriage in pairs 1 left and right sides.First connector 3 includes bottom plate 33, and a side of the bottom plate 33 is equipped with the first side plate 31, another adjacent side end One is formed for wrapping up the groove 30 at carriage base angle, the lateral wall of the first side plate 31 equipped with the second side plate 32, and on bottom plate 33 Equipped with nut 24.

Referring to Figures 1 and 2, the upper surface of bottom plate 33 is equipped with an at least bolt 331, and the bottom surface of carriage 1 is equipped with and bolt 331 The blind hole (being not drawn into figure) matched.Be equipped between the lower end surface of bottom plate 33 and the first side plate 31 is in triangular prism shaped stiffening plate 34.The surface of groove 30 is equipped with elastic rubber layer 35.First side plate 31, the second side plate 32, bottom plate 33 and nut 24 are integrated into Type.

Referring to Fig.1, the first support plate a1 and the second support plate a2 being spaced apart from each other, hoistway are equipped in Fig. 3 and Fig. 4, hoistway a The first computer room a10 is formed between top and the first support plate a1, forms second between the first support plate a1 and the second support plate a2 Computer room a20.Wherein drive rod 22 by bearing (being not drawn into figure) be rotatablely arranged at well headroom, the first support plate a1 and Second support plate a2, and worm gear 221 is located in the first computer room a10, and first gear 222 is located in the second computer room a20.Motor 21 In the first computer room a10.Screw rod 23 is rotatablely arranged at the first support plate a1 and second by bearing (being not drawn into figure) Support plate a2, and each second gear 231 is respectively positioned in the second cabinet a20.The side wall of screw rod 23 is equipped with extremely on sustained height Few three equally distributed support arms 232, it is inconsistent with the upper surface of the second support plate a2 that each support arm 232 is equipped at least one Idler wheel 233.

Referring to Fig.1, Fig. 3 and Fig. 4, as a preferred solution: the side wall of screw rod 23 is set, there are four equally distributed support arms 232, support arm 232 is L-shaped and is integrally formed with screw rod 23.Each support arm 232 is set there are two mounting hole 2321, Mei Gean Dress is installed with an idler wheel 233 in hole 2321.The upper surface of second support plate a2 is equipped with the circular ring shape guide groove matched with idler wheel 233 a21.The surface of circular ring shape guide groove a21 is installed with guide rail a22, and guide rail a22 has wear-resistant material to be made.

Referring to Fig.1, the invention also includes upper roller shutter 41 and lower roller shutter 42, hoistway a is equipped with upper winding shaft in the top of carriage 1 41, lower winding shaft 41 is equipped in the lower section of carriage 1.For the one ends wound of upper roller shutter 51 in upper winding shaft 41, the other end is connected to carriage 1 Upper surface, the one ends wound of lower roller shutter 52 is in lower winding shaft 42, and the other end is connected to the lower end surface of carriage 1, and upper winding shaft 41 is matched Equipped with the upper torsional spring (being not drawn into figure) for winding upper roller shutter 51, lower winding shaft 42 is equipped with the lower torsion for winding lower roller shutter 52 Spring (is not drawn into) in figure.As a preferred solution: upper winding shaft 41 hang on the lower end surface of the second support plate a2, last volume by pin joint seat Axis 42 is set to the bottom surface of hoistway a by pin joint seat.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all to utilize this Design makes a non-material change to the present invention, and should all belong to behavior that violates the scope of protection of the present invention.

Claims (8)

1. a kind of screw vertical lift, special including hoistway, carriage and the driving mechanism for being vertically moved up or down carriage in hoistway Sign is: the driving mechanism includes motor, drive rod and complex root screw rod, and screw rod described in complex root is vertically arranged at carriage week It encloses, the upper and lower ends of the screw rod are rotatablely arranged at the upper and lower ends of hoistway;Each screw rod is arranged with a nut, the spiral shell Female to be connected to the carriage by the first connector, each screw rod is equipped with a second gear, and the output shaft of the motor is equipped with snail Bar, the upper end of the drive rod are equipped with the worm gear being meshed with worm screw, and lower end is equipped with mutually nibbles with the second gear of each screw rod The first gear of conjunction;The quantity of the screw rod is four, and four screw rods are set to the left and right sides of carriage in pairs, described the A connection piece includes bottom plate, and a side of the bottom plate is equipped with the first side plate, and another adjacent side end is equipped with the second side plate, and in bottom plate Upper to form one for wrapping up the groove at carriage base angle, the lateral wall of first side plate is equipped with the nut, the upper surface of bottom plate Equipped with an at least bolt, the bottom surface of the carriage is equipped with the blind hole matched with bolt;It is equipped in the hoistway and to be spaced apart from each other First support plate and the second support plate form the first computer room, the first support plate and second between well headroom and the first support plate The second computer room is formed between support plate;The drive rod by bearing be rotatablely arranged at well headroom, the first support plate and Second support plate, and worm gear is located at the first computer room, and first gear is located at the second computer room;The screw rod passes through bearing rotationally It is set to the first support plate and the second support plate, it is equally distributed that the side wall of the screw rod is equipped at least three on sustained height Support arm, the support arm be equipped at least one and second support plate the inconsistent idler wheel in upper surface;Second support plate Upper surface is equipped with the circular ring shape guide groove matched with idler wheel, and the surface of the circular ring shape guide groove is installed with guide rail;It further include upper volume Curtain and lower roller shutter, the hoistway is interior to be equipped with upper winding shaft in the top of carriage, is equipped with lower winding shaft, the upper roller shutter in the lower section of carriage One ends wound in upper winding shaft, the other end is connected to the upper surface of carriage, and the one ends wound of the lower roller shutter is another in lower winding shaft End is connected to the lower end surface of carriage;Upper winding shaft is equipped with the upper torsional spring for winding upper roller shutter, and lower winding shaft is equipped for winding The lower torsional spring of lower roller shutter.
2. a kind of screw vertical lift according to claim 1, it is characterised in that: the surface of the groove is equipped with elasticity Rubber layer.
3. a kind of screw vertical lift according to claim 1, it is characterised in that: the lower end surface of the bottom plate and first Be equipped between side plate is in triangular prism shaped stiffening plate.
4. a kind of working method of screw vertical lift as described in claim 1, it is characterised in that: the lower end of the drive rod Equipped with the first gear mutually engaged with the second gear of each screw rod, guarantee that four screw rods rotate synchronously, when motor driven spiral shell When bar rotates, the movement of carriage lifting is realized using the screw drive mode of four screw rods and nut;When carriage rises, pull Lower roller shutter expansion, upper rolling screen door are wound under the action of upper torsional spring in upper winding shaft;When cage descending, roller shutter is unfolded in pulling, Lower roller shutter is wound under the action of lower torsional spring forms a screen in the upper and lower of lift-cabin door board in lower winding shaft, upper roller shutter and lower roller shutter Barrier, when elevator stops and carriage and layer door misplace, this road barrier can be separated each layer door with hoistway.
5. the working method of screw vertical lift according to claim 4, it is characterised in that: by four with nut A connection piece wraps up four base angles of carriage, to support entire carriage;When one of them first connector breaks down, nothing When method normally rises along screw rod, carriage can also rise under the support of other three the first connectors.
6. the working method of screw vertical lift according to claim 4, it is characterised in that: carriage is assigned on each screw rod Weight born by these support arms and idler wheel, weight is thus born by the upper end of screw rod, avoids screw rod lower end because of load-bearing It is excessive and deform.
7. the working method of screw vertical lift according to claim 1, it is characterised in that: the bolt and blind hole are mutual Socket, it is possible to reduce the stress of the first side wall and second sidewall prevents the first connector from mutually sliding with carriage.
8. the working method of screw vertical lift according to claim 2, it is characterised in that: due to can between each part Energy can there is fine differences, and these fine differences may allow each first connector to generate between each other when rising or falling Progressive error, and elastic rubber layer can effectively neutralize progressive error, promote the reliability and stationarity of the elevator.
CN201811021713.0A 2016-09-23 2016-09-23 Screw type vertical elevator and working method thereof CN109132794B (en)

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Application Number Priority Date Filing Date Title
CN201811021713.0A CN109132794B (en) 2016-09-23 2016-09-23 Screw type vertical elevator and working method thereof
CN201610842583.1A CN106315368B (en) 2016-09-23 2016-09-23 A kind of screw vertical lift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811021713.0A CN109132794B (en) 2016-09-23 2016-09-23 Screw type vertical elevator and working method thereof

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CN109132794B CN109132794B (en) 2020-03-31

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CN109132794B (en) 2020-03-31
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