CN110304522B - Low-speed vertical elevator - Google Patents
Low-speed vertical elevator Download PDFInfo
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- CN110304522B CN110304522B CN201910624549.0A CN201910624549A CN110304522B CN 110304522 B CN110304522 B CN 110304522B CN 201910624549 A CN201910624549 A CN 201910624549A CN 110304522 B CN110304522 B CN 110304522B
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- 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
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- 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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
- B66B9/025—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by screw-nut drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Automation & Control Theory (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention provides a low-speed vertical elevator which is mainly used for low-speed carrying on low floors, is large and stable in torsion and is not easy to cause accidents. The lift car is driven to ascend and descend through the four driving screw mechanisms, and each positioning mechanism can limit the driving screw mechanisms, so that the driving screw mechanisms can stably operate, and the lift car can be driven to smoothly and stably ascend and descend. Specifically, after a passenger takes the car, the controller controls the motors to drive the threaded columns to synchronously rotate, the external threads of the threaded columns are matched with the internal thread portions of the car, four box corners of the car are balanced and synchronously driven, and the car is lifted.
Description
Technical Field
The invention relates to the field of elevators, in particular to a low-speed vertical elevator.
Background
The urban building is more and more common to use a vertical elevator, and the structure of the vertical elevator is known and generally comprises an elevator shaft, a car in the elevator shaft and a lifting driving device for driving the car to ascend and descend. The traditional lifting driving device consists of a rope, a traction power device, a counterweight and the like. Along with the development of society, aging is also prominent, more and more old people can appear in the district through many years, and all these districts are not installed with the elevator before many years, bring a lot of inconvenience for the old people. Therefore, more and more old districts are transformed and new elevators are additionally arranged at present, but the additionally arranged elevators are determined by the nature of the structure, the operation often has the conditions of sudden stop or sudden start and the like, the operation is lack of stable smoothness, and the elevators are automatic products combining electrical control and mechanical transmission, so that the faults of electrical part aging, control failure, mechanical abrasion failure and the like can naturally exist, and the personal safety of passengers is greatly threatened.
In view of the above, the present inventors have made extensive studies and intensive studies to solve the above problems, and have developed and designed the present invention.
Disclosure of Invention
The invention aims to provide a low-speed vertical elevator which is large in operation torsion, more stable and smooth, safer and more reliable and strong in practicability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-speed vertical elevator comprises an elevator shaft, a car in the elevator shaft, and a lifting driving device for driving the car to lift; the lifting driving device comprises four driving screw mechanisms which are arranged along four corners of the elevator shaft in a one-to-one correspondence manner, and four positioning mechanisms which limit the driving screw mechanisms one by one; the driving screw mechanism comprises a vertically arranged threaded column, an upper end seat arranged at the upper end of the threaded column, a lower end seat arranged at the lower end of the threaded column and a motor for driving the threaded column to rotate around an axis; each of the threaded columns is formed with a plurality of external thread sections, and a plurality of small diameter sections; the external thread sections and the small diameter sections are arranged in an alternating mode; the external thread sections are provided with external threads, and the external threads of the adjacent external thread sections have a common spiral line; the male threaded section having a first diameter relative to a tip of the male thread and a second diameter relative to a root of the male thread; the diameter of the reduced diameter section is smaller than the second diameter;
the elevator car is provided with a car angle which corresponds to each corner of the elevator shaft one by one; the box corner is provided with an internal thread part matched with the external thread section of the threaded column;
the positioning mechanism comprises a plurality of limiting single bodies which are arranged along the threaded columns and connected with the side wall of the elevator shaft; the limiting single body comprises a limiting ring sleeved at the small-diameter section and a positioning piece for fixing the limiting ring; the outer diameter of the limiting ring is smaller than the second diameter; the internal thread portion has at least one section with external screw thread matched with internal thread, and same section the internal thread is greater than in the ascending span of vertical direction the length of minor diameter section.
The limiting ring comprises an outer ring base body and an inner ring bearing, wherein the outer ring base body is positioned on the outer side, and the inner ring bearing is arranged in the outer ring base body and matched with the small-diameter section.
The box corner is provided with a thread matching piece matched with the corresponding thread column, the thread matching piece is provided with an arc-shaped groove matched with the surface radian of the corresponding thread column, and the internal thread part is formed on the arc-shaped groove.
The screw-thread matching piece is coated outside the screw-thread column, and the central angle corresponding to the screw-thread matching piece is larger than 180 degrees.
The box corner is provided with an arc-shaped groove which is matched with the surface radian of the corresponding threaded column, the threaded fitting piece comprises an upper arc-shaped plate and a lower arc-shaped plate which are respectively arranged at the upper end and the lower end of the arc-shaped groove, and the upper arc-shaped plate and the lower arc-shaped plate are both arc-shaped which is matched with the arc surface of the arc-shaped groove; the internal thread portion is formed on the upper arc-shaped plate and the lower arc-shaped plate.
The upper end seat comprises an upper connecting seat connected with the side wall of the elevator shaft and an upper bearing matched with the upper end of the threaded column; the lower end seat comprises a lower connecting seat connected with the side wall of the elevator shaft and a lower bearing matched with the lower end of the threaded column.
The positioning piece comprises a first positioning bolt connected with one side wall of the elevator shaft corner and a second positioning bolt connected with the other side wall of the elevator shaft corner; the limiting ring comprises a first half ring connected with the first positioning bolt and a second half ring connected with the second positioning bolt.
The threaded fitting piece is provided with a notch for the first positioning bolt and the second positioning bolt to pass through, and the central angle corresponding to the threaded fitting piece is between 230 and 270 degrees.
The first half-turn and the second half-turn are spliced together to form a complete ring shape.
The positioning piece also comprises a first positioning plate connected with one side wall of the elevator shaft corner and a second positioning plate connected with the other side wall of the elevator shaft corner; the elevator shaft is provided with a mounting opening for mounting the first positioning plate and the second positioning plate; the first positioning bolt is connected with the first positioning plate, and the second positioning bolt is connected with the second positioning plate.
After the technical scheme is adopted, the low-speed vertical elevator breaks through the structural form of the traditional vertical elevator, is mainly used for low-speed carrying of low floors, is large and stable in torsion and is not easy to cause accidents. The lift car is driven to ascend and descend through the four driving screw mechanisms, and each positioning mechanism can limit the driving screw mechanisms, so that the driving screw mechanisms can stably operate, and the lift car can be driven to smoothly and stably ascend and descend. Specifically, after a passenger takes the car, the controller controls the motors to drive the threaded columns to synchronously rotate, the external threads of the threaded columns are matched with the internal thread portions of the car, four box corners of the car are balanced and synchronously driven, and the car is lifted. The upper end seat and the lower end seat can provide a rotation fulcrum for the threaded column, so that the rotation is more stable. And each spacing collar can entangle each small-diameter section and fix, on the basis that does not influence screw post pivoted, avoid the screw post to carry out the removal of level and upper and lower direction, ensure that the rotation of screw post is accurate more stable. And the external diameter of the limiting ring is smaller than the second diameter, and in the relative sliding process of the internal thread part and the external thread of the external thread section, the limiting ring cannot touch the internal thread, so that the relative sliding between the internal thread part and the external thread section is smooth. And the span of same section internal thread on vertical direction is greater than the length of thin footpath section, and internal thread in the internal thread portion can stride across any one end thin footpath section promptly and cooperate with the external screw thread on the external screw thread section, on guaranteeing that each spacing collar cooperatees with the thin footpath section and carries out spacing basis to the screw thread post, makes the thin footpath section not influence the relative motion of internal thread portion and external screw thread section, the internal thread portion card can not appear in the condition at thin footpath section edge, guarantees the smooth and easy steady of car lift. Compared with the prior art, the low-speed vertical elevator has the advantages of large operation torque force, stability, smoothness, safety, reliability and strong practicability.
Drawings
FIG. 1 is a schematic top cross-sectional view of the present invention;
FIG. 2 is a first partial schematic of the present invention;
FIG. 3 is a second partial structural view of the present invention;
FIG. 4 is a second partial structural view of the present invention;
fig. 5 is a schematic top cross-sectional structural view of another embodiment of the present invention.
Fig. 6 is a partially enlarged schematic structural view of another embodiment of the present invention.
In the figure:
11-side wall 2-car 21-internal thread part 22-screw-fit piece 221-arc-shaped groove 222-upper arc-shaped plate 223-lower arc-shaped plate 224-notch 23-arc-shaped groove
311-screw column 3111-external screw section 3112-small diameter section 312-upper end seat 313-lower end seat 314-motor
321-a limiting monomer 3211-a limiting ring 32111-a first half ring 32112-a second half ring 32121-a first positioning bolt 32122-a second positioning bolt 32123-a first positioning plate 32124-a second positioning plate 32125-a first clamping plate 32126-a second clamping plate.
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.
A low-speed vertical elevator of the present invention, as shown in fig. 1 to 6, comprises an elevator shaft, a car 2 disposed in the elevator shaft, and a lifting driving means for driving the car 2 to ascend and descend; the lifting driving device comprises four driving screw mechanisms which are arranged along four corners of the elevator shaft in a one-to-one correspondence manner, and four positioning mechanisms which limit the driving screw mechanisms one by one; the driving screw mechanism comprises a vertically arranged threaded column 311, an upper end seat 312 arranged at the upper end of the threaded column 311, a lower end seat 313 arranged at the lower end of the threaded column 311, and a motor 314 for driving the threaded column 311 to rotate around an axis; each threaded post 311 is formed with a plurality of external threaded sections 3111, and a plurality of reduced diameter sections 3112; the external thread sections 3111 and the small diameter sections 3112 are arranged alternately; the external thread section 3111 has external threads, and the external threads of adjacent external thread sections 3111 have a common helix; the male threaded section 3111 has a first diameter referenced to a tip of the male thread and a second diameter referenced to a root of the male thread; the diameter of the reduced-diameter section 3112 is smaller than the second diameter;
the cage 2 has box corners corresponding to the corners of the elevator shaft one by one; the box corner is formed with an internal thread part 21 which is matched with the external thread section 3111 of the threaded column 311;
the positioning mechanism comprises a plurality of limiting single bodies 321 which are arranged along the threaded columns 311 and connected with the elevator shaft side wall 11; the limiting monomer 321 comprises a limiting ring 3211 sleeved at the small-diameter section 3112 and a positioning piece for fixing the limiting ring 3211; the outer diameter of the limit ring 3211 is smaller than the second diameter; the internal thread portion 21 has at least one internal thread that fits the external thread, and the span of the same internal thread in the vertical direction is greater than the length of the small-diameter section 3112. The invention is mainly used for low-speed carrying of low floors, has large and stable torsion and is not easy to cause accidents. The lift car 2 is driven to ascend and descend through the four driving screw mechanisms, and each positioning mechanism can limit the driving screw mechanisms, so that the driving screw mechanisms can stably operate, and the lift car 2 can smoothly and stably ascend and descend. Specifically, after a passenger takes the car 2, the controller controls the motors 314 to drive the threaded columns 311 to synchronously rotate, the external threads of the threaded columns 311 are matched with the internal thread portions 21 of the car 2, four box corners of the car 2 are balanced and synchronously driven, and the car 2 is lifted. The upper end seat 312 and the lower end seat 313 can provide a rotation fulcrum for the threaded column 311, so that the rotation is more stable. And each spacing collar 3211 can entangle each small-diameter section 3112 and fix, on the basis that does not influence the screw post 311 and rotate, avoid screw post 311 to carry out the removal of level and upper and lower direction, ensure that the rotation of screw post 311 is more accurate stable. The outer diameter of the retaining ring 3211 is smaller than the second diameter, so that the retaining ring 3211 does not touch the internal thread during the relative sliding between the internal thread of the internal thread portion 21 and the external thread of the external thread section 3111, and the relative sliding between the internal thread portion 21 and the external thread section 3111 is ensured. And the span of the same section of internal thread in the vertical direction is greater than the length of the small diameter section 3112, that is, the internal thread on the internal thread part 21 can span any one end small diameter section 3112 and cooperate with the external thread on the external thread section 3111, on the basis of ensuring that each spacing ring 3211 cooperates with the small diameter section 3112 to limit the threaded column 311, the small diameter section 3112 does not influence the relative movement of the internal thread part 21 and the external thread section 3111, the condition that the internal thread part 21 is clamped at the edge of the small diameter section 3112 does not occur, and the smooth and steady lifting of the car 2 is ensured.
Preferably, the retainer 3211 includes an outer race base at an outer side, and an inner race bearing provided in the outer race base and engaged with the small-diameter section 3112. In the actual working process of the invention, the limit ring 3211 is matched with the small-diameter section 3112 through the inner ring bearing, so that the rotation of the threaded column 311 is smoother and more efficient. The specific structure may be that each external thread section 3111 is an independent structure, each external thread section 3111 is connected with the adjacent external thread section 3111 through the reduced diameter section 3112 in an inserting manner, and the corresponding external thread section 3111 is formed with an inserting groove that is inserted and connected in a matching manner with the inserting head on the reduced diameter section 3112. Preferably, the cross-section of the connector is square or triangular so that adjacent male threaded sections 3111 do not rotate relative to each other. Such a connection structure is more beneficial to the threaded column 311 and the installation of the threaded column and the limit ring 3211.
Preferably, the box corner is provided with a screw-fitting member 22 which is fitted with the corresponding screw post 311, the screw-fitting member 22 is formed with an arc-shaped groove 221 which is adapted to the surface curvature of the corresponding screw post 311, and the internal thread portions 21 are formed on the arc-shaped groove 221. In the actual use process of the invention, the box corner is matched with the threaded column 311 through the threaded matching piece 22 in a threaded manner, and both the threaded matching piece 22 and the arc-shaped groove 221 can enhance the matching degree and the flexible installation performance of the internal thread part 21 and the threaded column 311.
Preferably, the screw-thread matching element 22 is covered outside the screw-thread column 311, and the corresponding central angle of the screw-thread matching element 22 is larger than 180 degrees. In the actual working process of the invention, most of the threaded column 311 can be wrapped by the threaded matching piece 22, so that the threaded matching piece 22 is not easy to be disengaged from the threaded column 311, the threaded matching of the threaded matching piece 22 and the threaded column 311 is ensured, and the stability of the lifting operation of the car 2 is further enhanced. The screw-fitting member 22 may include an arc-shaped extension portion extending to both sides and surrounding the screw post 311, and the arc-shaped extension portion is also formed with an internal thread that is fitted with the external thread.
Preferably, the box corner is formed with an arc-shaped groove 23 corresponding to the surface radian of the corresponding threaded column 311, the screw-fit member 22 comprises an upper arc-shaped plate 222 and a lower arc-shaped plate 223 which are respectively arranged at the upper end and the lower end of the arc-shaped groove 23, and the upper arc-shaped plate 222 and the lower arc-shaped plate are both arc-shaped and matched with the arc-shaped surface of the arc-shaped groove 23; the internal thread portion 21 is formed on the upper arc 222 and the lower arc 223. In the actual working process of the invention, the arc-shaped groove 23 and the arc-shaped screw-thread matching piece 22 can ensure that the car 2 is matched with the screw-thread columns 311 more closely and reasonably, the car 2 is not easy to twist and dislocate among the four screw-thread columns 311, and the running is more accurate.
In order to enhance the rotation performance of the threaded column 311, it is preferable that the upper end seat 312 includes an upper connection seat connected to the hoistway wall 11, and an upper bearing engaged with the upper end of the threaded column 311; the lower end mount 313 includes a lower attachment mount that attaches to the hoistway wall 11 and a lower bearing that mates with the lower end of the threaded post 311.
Preferably, the positioning member includes a first positioning bolt 32121 coupled to one of the sidewalls 11 of the elevator shaft corner, and a second positioning bolt 32122 coupled to the other sidewall 11 of the elevator shaft corner; the stop collar 3211 includes a first half-collar 32111 connected to the first positioning bolt 32121, and a second half-collar 32112 connected to the second positioning bolt 32122. In the actual installation process of the invention, the first half ring 32111 and the second half ring 32112 can be fixed on the sidewall 11 of the elevator shaft by the first positioning bolt 32121 and the second positioning bolt 32122 respectively, and form a complete stop ring 3211 by splicing, and cover the small-diameter section 3112 inside, so the installation and maintenance are convenient and flexible.
Preferably, the screw-fit member 22 has a notch 224 for the first positioning bolt 32121 and the second positioning bolt 32122 to pass through, and the central angle of the screw-fit member 22 is between 230 ° and 270 °. In the actual working process of the invention, when the car 2 moves up and down, the first positioning bolt 32121 and the second positioning bolt 32122 can pass through the notch 224 of the screw-thread matching piece 22, so that the car 2 can run stably and smoothly on the basis of ensuring the stable matching of the screw-thread matching piece 22 and the screw-thread column 311.
Preferably, the first and second halves 32111, 32112 are spliced to one another to form a complete loop. In the actual working process of the invention, the first half ring 32111 and the second half ring 32112 can be abutted against each other through the splicing end for limiting, so as to avoid the situation that the first half ring 32111 rotates around the first positioning bolt 32121 and the second half ring 32112 rotates around the second positioning bolt 32122, thereby ensuring the working stability of the first half ring 32111 and the second half ring 32112 and further ensuring the limiting effect on the threaded column 311.
Preferably, the positioning member further includes a first positioning plate 32123 connected to one of the sidewalls 11 of the elevator shaft corner, and a second positioning plate 32124 connected to the other sidewall 11 of the elevator shaft corner; an installation opening for installing a first positioning plate 32123 and a second positioning plate 32124 is formed in the elevator shaft; the first positioning bolt 32121 is connected to the first positioning plate 32123, and the second positioning bolt 32122 is connected to the second positioning plate 32124. In the actual installation process of the invention, a worker can install the first half ring 32111 on the first positioning plate 32123 through the first positioning bolt 32121, install the second half ring 32112 on the second positioning plate 32124 through the second positioning bolt 32122, then install the first positioning plate 32123 and the second positioning plate 32124 at the installation opening of the elevator shaft for fixing, and simultaneously splice the first half ring 32111 and the second half ring 32112 together to enclose and limit the threaded column 311.
Preferably, the first positioning bolt 32121 is connected to the outer peripheral surface of the first half ring 32111, and the first positioning bolt 32121 is provided with first clamping plates 32125 clamped on both sides of the first positioning plate 32123; a second positioning bolt 32122 is coupled to the outer peripheral surface of the second half ring 32112, and a second clamping plate 32126 is provided to clamp the second positioning plate 32124 to the second positioning bolt 32122. In the actual working process of the present invention, the first positioning bolt 32121 can be more firmly connected to the first positioning plate 32123 through the two first clamping plates 32125, and the second positioning bolt 32122 can be more firmly connected to the second positioning plate 32124 through the two second clamping plates 32126, so that the loosening and shaking are not easily caused.
Preferably, the first positioning plate 32123 is formed with a first outer mounting step that is overlappingly connected with the corresponding hoistway side wall 11, and the hoistway side wall 11 is formed with a first inner mounting step that matingly overlaps with the first mounting step; the first outer mounting step is positioned at the outer side of the first inner mounting step; the second positioning plate 32124 is formed with a second outer mounting step overlapped with the corresponding elevator shaft sidewall 11, and the elevator shaft sidewall 11 is formed with a second inner mounting step matched and overlapped with the second mounting step; the second outer mounting step is positioned at the outer side of the second inner mounting step; the first outer mounting step and the first inner mounting step are connected together through bolts, the second outer mounting step and the second inner mounting step are connected together through bolts, and the intersection of the first positioning plate 32123 and the second positioning plate 32124 are connected together through bolts. In the actual working process of the invention, the first positioning plate 32123 and the second positioning plate 32124 can be firmly connected and fixed by corresponding mounting steps and bolts, and the arrangement of the inside and the outside of the steps can make the positioning plates more convenient to mount and maintain, and more firm, and are not easy to fall into the elevator shaft due to tension.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.
Claims (6)
1. A low-speed vertical elevator comprises an elevator shaft, a car in the elevator shaft, and a lifting driving device for driving the car to lift; the method is characterized in that: the lifting driving device comprises four driving screw mechanisms which are arranged along four corners of the elevator shaft in a one-to-one correspondence manner, and four positioning mechanisms which limit the driving screw mechanisms one by one; the driving screw mechanism comprises a vertically arranged threaded column, an upper end seat arranged at the upper end of the threaded column, a lower end seat arranged at the lower end of the threaded column and a motor for driving the threaded column to rotate around an axis; each of the threaded columns is formed with a plurality of external thread sections, and a plurality of small diameter sections; the external thread sections and the small diameter sections are arranged in an alternating mode; the external thread sections are provided with external threads, and the external threads of the adjacent external thread sections have a common spiral line; the male threaded section having a first diameter relative to a tip of the male thread and a second diameter relative to a root of the male thread; the diameter of the reduced diameter section is smaller than the second diameter;
the elevator car is provided with a car angle which corresponds to each corner of the elevator shaft one by one; the box corner is provided with an internal thread part matched with the external thread section of the threaded column;
the positioning mechanism comprises a plurality of limiting single bodies which are arranged along the threaded columns and connected with the side wall of the elevator shaft; the limiting single body comprises a limiting ring sleeved at the small-diameter section and a positioning piece for fixing the limiting ring; the outer diameter of the limiting ring is smaller than the second diameter; the internal thread part is provided with at least one section of internal thread matched with the external thread, and the span of the same section of internal thread in the vertical direction is greater than the length of the small-diameter section;
the box corners are provided with screw-thread matching pieces matched with the corresponding screw-thread columns, the screw-thread matching pieces are provided with arc-shaped grooves matched with the surface radians of the corresponding screw-thread columns, and the internal thread parts are formed on the arc-shaped grooves;
the threaded fitting piece is wrapped outside the threaded column, and the central angle corresponding to the threaded fitting piece is larger than 180 degrees;
the positioning piece comprises a first positioning bolt connected with one side wall of the elevator shaft corner and a second positioning bolt connected with the other side wall of the elevator shaft corner; the limiting ring comprises a first half ring connected with the first positioning bolt and a second half ring connected with the second positioning bolt;
the positioning piece also comprises a first positioning plate connected with one side wall of the elevator shaft corner and a second positioning plate connected with the other side wall of the elevator shaft corner; the elevator shaft is provided with a mounting opening for mounting the first positioning plate and the second positioning plate; the first positioning bolt is connected with the first positioning plate, and the second positioning bolt is connected with the second positioning plate.
2. A low speed vertical elevator according to claim 1, characterized in that: the limiting ring comprises an outer ring base body and an inner ring bearing, wherein the outer ring base body is positioned on the outer side, and the inner ring bearing is arranged in the outer ring base body and matched with the small-diameter section.
3. A low speed vertical elevator according to claim 2, characterized in that: the box corner is provided with an arc-shaped groove which is matched with the surface radian of the corresponding threaded column, the threaded fitting piece comprises an upper arc-shaped plate and a lower arc-shaped plate which are respectively arranged at the upper end and the lower end of the arc-shaped groove, and the upper arc-shaped plate and the lower arc-shaped plate are both arc-shaped which is matched with the arc surface of the arc-shaped groove; the internal thread portion is formed on the upper arc-shaped plate and the lower arc-shaped plate.
4. A low speed vertical elevator according to claim 3, characterized in that: the upper end seat comprises an upper connecting seat connected with the side wall of the elevator shaft and an upper bearing matched with the upper end of the threaded column; the lower end seat comprises a lower connecting seat connected with the side wall of the elevator shaft and a lower bearing matched with the lower end of the threaded column.
5. A low-speed vertical elevator according to claim 4, characterized in that: the threaded fitting piece is provided with a notch for the first positioning bolt and the second positioning bolt to pass through, and the central angle corresponding to the threaded fitting piece is between 230 and 270 degrees.
6. A low-speed vertical elevator according to claim 5, characterized in that: the first half-turn and the second half-turn are spliced together to form a complete ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624549.0A CN110304522B (en) | 2019-07-11 | 2019-07-11 | Low-speed vertical elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624549.0A CN110304522B (en) | 2019-07-11 | 2019-07-11 | Low-speed vertical elevator |
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| Publication Number | Publication Date |
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| CN110304522A CN110304522A (en) | 2019-10-08 |
| CN110304522B true CN110304522B (en) | 2021-02-19 |
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| CN201910624549.0A Active CN110304522B (en) | 2019-07-11 | 2019-07-11 | Low-speed vertical elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114455431B (en) * | 2022-01-07 | 2023-09-26 | 桂林航天工业学院 | Screw-driven small elevator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247155A (en) * | 1998-09-10 | 2000-03-15 | 株式会社东芝 | Elevator driving gear with supporting guideway |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB325082A (en) * | 1929-01-24 | 1930-02-13 | Louis Kreutzkamp | Improvements in elevators |
| JP4403158B2 (en) * | 2006-08-15 | 2010-01-20 | 上銀科技股▲分▼有限公司 | Two-way screw type elevator drive mechanism |
| KR20110123349A (en) * | 2010-05-07 | 2011-11-15 | 이동근 | Elevator for low floor |
| CN102295211A (en) * | 2011-08-08 | 2011-12-28 | 吴国辉 | Elevator-car ropeless-elevating mechanism for vertical elevator |
| CN207390779U (en) * | 2017-11-10 | 2018-05-22 | 浙江永发机电有限公司 | A kind of screw-rod structure in villa screw elevator |
| CN108059059A (en) * | 2017-11-28 | 2018-05-22 | 杨富云 | Screw elevator and its brake control method |
| CN109733975A (en) * | 2019-01-31 | 2019-05-10 | 吕东波 | A kind of elevator by roller type screw drive |
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2019
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247155A (en) * | 1998-09-10 | 2000-03-15 | 株式会社东芝 | Elevator driving gear with supporting guideway |
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