CN111321882B - Hanging basket lifting machine - Google Patents
Hanging basket lifting machine Download PDFInfo
- Publication number
- CN111321882B CN111321882B CN202010330005.6A CN202010330005A CN111321882B CN 111321882 B CN111321882 B CN 111321882B CN 202010330005 A CN202010330005 A CN 202010330005A CN 111321882 B CN111321882 B CN 111321882B
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- China
- Prior art keywords
- rope
- steel wire
- hanging basket
- pressing wheel
- wire rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The working steel wire rope of the hanging basket runs in the hanging basket hoister and is subjected to the action of friction force, wherein the friction force is divided into two types, namely power and resistance. The friction force between the steel wire rope and the large turntable is power. The friction force between the steel wire rope and the steel belt, the rope inlet pipe, the rope outlet pipe and the rope distributor is resistance. Resistance is a direct cause of the problem of rope jamming of the basket hoist. The invention provides a hanging basket hoister which structurally comprises a shell, a large turntable, a wheel row, a rope pressing wheel assembly, a rope inlet pipe, a rope outlet pipe and pulleys. The steel belt is replaced by a rope pressing wheel, so that the sliding friction force between the steel wire rope and the steel belt is changed into rolling friction force, and the friction resistance born by the steel wire rope is reduced; the rope separator is taken off by shortening the lengths of the rope inlet pipe and the rope outlet pipe so as to reduce the friction resistance of the working steel wire rope when entering and exiting the hanging basket hoister. The friction resistance to which the steel wire rope is subjected is reduced, the rope clamping probability of the hanging basket hoist can be greatly reduced, the working efficiency is improved, the economic loss is reduced, and the safety of the construction of the hanging basket outer wall is improved.
Description
Technical Field
The invention relates to lifting equipment of a high-altitude operation machine, in particular to a high-altitude operation hanging basket lifting machine.
Background
The high-altitude operation hanging basket is a novel high-altitude operation machine which can replace the traditional scaffold, lighten labor intensity, improve working efficiency and be repeatedly used. The hanging basket hanging platform mainly realizes ascending and descending operations by rolling the steel wire rope by the hanging basket lifting machine, so the hanging basket lifting machine is one of key equipment of the hanging basket for high-altitude operation, and the safety performance and the working efficiency of the hanging basket for high-altitude operation are directly affected by the performance of the hanging basket.
The existing basket elevator mainly comprises three types of 'alpha' -shaped elevators, an 'S' -shaped elevator and a snail-shaped elevator, and currently, the most common type of elevator is the 'alpha' -shaped elevator, as shown in fig. 3. Currently, the most major problems with "α" elevators are: and the rope clamping problem of the elevator. The rope clamping of the elevator means that the steel wire rope of the hanging basket runs in the elevator smoothly, so that the steel wire rope is blocked in the elevator, and the elevator cannot run normally. After the rope is clamped by the elevator, the elevator needs to be stopped for maintenance, so that the working efficiency is reduced; moreover, the working steel wire rope needs to be cut off, so that economic loss is caused; if the rope clamping phenomenon occurs in mid-air, maintenance in mid-air is needed, and great potential safety hazards are brought to maintenance of the hanging basket. Therefore, the problem of rope clamping of the hanging basket hoister is solved, or the rope clamping probability of the hanging basket hoister is reduced, and the hanging basket hoister is an important problem to be solved in the high-altitude operation hanging basket outer wall construction industry.
Disclosure of Invention
The invention aims to solve the technical problems:
The working steel wire rope of the hanging basket runs in the hanging basket hoister and is subjected to the action of friction force, wherein the friction force is divided into two types, namely power and resistance. The friction force between the steel wire rope and the large turntable is power. The friction force between the steel wire rope and the steel belt, the rope inlet pipe, the rope outlet pipe and the rope distributor is resistance. Resistance is a direct cause of the problem of rope jamming of the basket hoist. The invention provides a hanging basket hoister, which changes the sliding friction force between a steel wire rope and a steel belt into rolling friction force by replacing the steel belt with a rope pressing wheel so as to reduce the friction resistance born by the steel wire rope when the steel wire rope rotates around a large turntable; the rope separator is taken off by shortening the lengths of the rope inlet pipe and the rope outlet pipe so as to reduce the friction resistance of the working steel wire rope when entering and exiting the hanging basket hoister. The friction resistance to which the steel wire rope is subjected is reduced, the rope clamping probability of the hanging basket hoist can be greatly reduced, the working efficiency is improved, the economic loss is reduced, and the safety of the construction of the hanging basket outer wall is improved.
The invention adopts the following technical scheme:
In order to reduce the friction between the steel wire rope 13 and the steel belt 29, the sliding friction is changed into rolling friction, the steel belt 29 is removed, the steel belt is replaced by the rope pressing wheel row 6, the rope pressing wheel assembly 26 of the existing hanging basket hoister is removed together for conveniently arranging the wheel rows, three wheel rows, namely the wheel row A2, the wheel row B6 and the wheel row C8, are arranged at the positions of the original steel belt 29 and the rope pressing wheel 26 as shown in fig. 1, the sizes of the three wheel rows are identical in structure, the effect is different, and only the installation positions are different, so that the structure of one wheel row is only introduced for convenience in description. The rope pressing wheel row is formed by combining two fan-shaped steel plates and six rope pressing wheel assemblies, as shown in fig. 1, six spring baffle mounting holes 5 are formed in the fan-shaped steel plates along the radial direction of the large turntable 3, six sliding rails 4 of movable pins are arranged between the two fan-shaped steel plates, six rope pressing wheel assemblies are arranged between the two fan-shaped steel plates, the structure of the rope pressing wheel assemblies is as shown in fig. 2, the outer ring of the rope pressing wheel 22 comprises a boss, the boss can be embedded into a groove of the large turntable 3, a small groove is formed in the boss, and the small groove can clamp a steel wire rope; the center position is provided with a bearing 19, a pin shaft 21 passes through the bearing 19 and a supporting shaft sleeve 20 and is fixed on a U-shaped groove 17, movable pins 18 are arranged at two sides of the U-shaped groove 17, the movable pins 18 are matched with sliding rails 4 of the movable pins on a fan-shaped steel plate to play a role in positioning and guiding, a telescopic rod 14 is arranged on the U-shaped groove 17, a spring 16 is sleeved on the telescopic rod 14 and then passes through a spring baffle 15, the telescopic rod 14 and the spring baffle 15 are not fixed, and the telescopic rod 14 can freely pass through a middle round hole 24 of the spring baffle 15.
As shown in figure 3, the rope inlet pipe 32, the rope distributor 31 and the rope outlet pipe 30 all have friction resistance to the hanging basket working steel wire rope 13, the rope clamping phenomenon is possibly caused, in order to reduce the friction resistance, the rope distributor is removed, the rope inlet pipe and the rope outlet pipe are shortened, a notch is reserved at the right upper corner of the elevator shell 1 as shown in figure 1, the purpose is to shorten the rope inlet pipe 11 and the rope outlet pipe 12, the rope inlet pipe 11 is in the vertical direction and is the same as the tangential direction of the large turntable 3, the rope outlet pipe 12 is in the horizontal direction and is the same as the tangential direction of the large turntable 3, and the rope outlet position is outwards or inwards inclined by 8-10 mm in the direction perpendicular to the drawing, so that the inlet steel wire rope and the outlet steel wire rope do not cross and meet. In order to allow the wire rope to naturally sag after exiting the rope tube without friction with the elevator casing 1, a pulley 10 is mounted via a bearing 9 in the position shown in fig. 1, the pulley 10 being provided with grooves of about 8mm deep and 8mm wide, and the wire rope 13 naturally sag after exiting the rope tube 12 and after passing through the pulley 10.
The invention has the beneficial effects that:
The steel belt is replaced by the rope pressing wheel, so that the sliding friction force between the steel wire rope and the steel belt is changed into rolling friction force, the friction resistance born by the steel wire rope when the steel wire rope rotates around the large turntable is reduced, meanwhile, the friction power between the steel wire rope and the large turntable is increased, and the lifting force of the elevator is enhanced; by shortening the lengths of the rope inlet pipe and the rope outlet pipe and taking off the rope separator, the friction resistance of the working steel wire rope when entering and exiting the hanging basket hoister is reduced. The friction resistance of the steel wire rope is reduced, the rope clamping probability of the hanging basket hoister is greatly reduced, the working efficiency is improved, the economic loss is reduced, and the safety of the construction of the outer wall of the hanging basket is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of a basket lift of the present invention after a rear cover is opened;
Fig. 2 is a schematic structural view of a novel sheave assembly employed by the basket elevator of the present invention;
fig. 2, c, is a front view of the novel sheave assembly; fig. b is a right side view of the novel sheave assembly; fig. a is a top view of a spring catch of the novel sheave assembly;
FIG. 3 is a schematic diagram of the internal structure of the prior "alpha" basket lift after the rear cover is opened;
the reference numerals are explained as follows:
1-the shell of the basket hoist of the invention,
2-The wheel row A of the basket hoister has the same structure, is provided with three wheel rows, is named as the wheel row A, the wheel row B and the wheel row C for convenience of distinction,
3-The large turntable of the basket hoist of the invention is provided with grooves,
4-The sliding track of the movable pin of the rope pressing wheel assembly of the hanging basket hoister,
5-The mounting hole of the spring baffle of the hanging basket hoister rope pressing wheel assembly on the wheel row,
6-The wheel row B of the basket lift of the invention,
7-The main stress connecting hole of the hanging basket lifter and the lifter mounting frame,
8-The wheel set C of the basket lift of the present invention,
9-Bearing on right side of wire rope inlet pipe of basket hoister,
10-The pulley on the right side of the steel wire rope inlet pipe of the basket hoister,
11-The rope inlet pipe of the hanging basket hoister of the invention,
12-The rope outlet pipe of the hanging basket hoister of the invention,
13-Working steel wire rope for hanging basket elevator,
14-The telescopic rod of the rope pressing wheel assembly of the hanging basket hoister,
15-The spring baffle of the hanging basket hoister rope pressing wheel assembly,
16-The spring of the rope pressing wheel assembly of the hanging basket elevator,
17 The U-shaped groove of the rope pressing wheel assembly of the hanging basket hoister,
18-The movable pin of the rope pressing wheel assembly of the hanging basket hoister,
19-The bearing of the rope pressing wheel assembly of the hanging basket hoister,
20-The shaft sleeve of the rope pressing wheel assembly of the hanging basket elevator,
21-The pin shaft of the rope pressing wheel assembly of the hanging basket hoister,
22-The rope pressing wheel of the rope pressing wheel assembly of the basket elevator,
23-The boss of the spring baffle of the rope pressing wheel assembly of the hanging basket hoister,
24-The telescopic hole of the spring baffle of the rope pressing wheel assembly of the hanging basket hoister,
25-The shell of the existing alpha-shaped hanging basket hoister,
26-The rope pressing wheel assembly of the existing alpha-shaped hanging basket hoister,
27-The rope pressing wheel of the existing alpha-shaped hanging basket elevator rope pressing wheel assembly,
28-The large turntable of the existing alpha-shaped hanging basket hoister,
29-Steel belt of the existing alpha-shaped hanging basket hoister,
30-The rope outlet pipe of the existing alpha-shaped hanging basket hoister,
31-The rope separator of the existing alpha-shaped hanging basket hoister,
32-The rope inlet pipe of the existing alpha-shaped hanging basket hoister,
33-The rope inlet cap of the existing alpha-shaped hanging basket hoister.
Detailed Description
As shown in fig. 1, the present invention provides a basket lift comprising: the elevator comprises an elevator shell 1, a large turntable 3, a wheel row A2, a wheel row B6, a wheel row C8, a rope inlet pipe 11, a rope outlet pipe 12 and a pulley 10.
The combination and connection modes of the components are as follows:
As shown in fig. 1, three wheel rows 2,6 and 8 are distributed and arranged on the outer ring of the large turntable 3, and a pinch roller 22 of the pinch roller wheel assembly is embedded into a groove of the large turntable 3; a notch is reserved at the upper right corner of the elevator shell 1, and the rope inlet pipe 11 is positioned in the tangential direction of the large turntable 3 along the vertical direction; the rope outlet pipe 12 is in the horizontal direction and is the same as the tangential direction of the large turntable 3, and the position of the rope outlet is outwards or inwards deviated by 8-10 mm in the direction perpendicular to the drawing paper; a guide pulley 10 is arranged on the right side of the rope inlet pipe 11.
The invention discloses a wheel set of a hanging basket hoister, which comprises two fan-shaped steel plates and six rope pressing wheel assemblies. The structure of the rope pressing wheel assembly is shown in fig. 2.
The combination connection mode of all parts of the wheel row is as follows:
The outer ring of the rope pressing wheel 22 comprises a boss, the boss can be embedded into a groove of the large turntable 3, a small groove is formed in the boss, the small groove can clamp a steel wire rope, a bearing 19 is arranged in the center, a pin shaft 21 penetrates through the bearing 19 and a supporting shaft sleeve 20 and is fixed on a U-shaped groove 17, movable pins 18 are arranged on two sides of the U-shaped groove 17, the movable pins 18 are matched with sliding rails 4 of the movable pins on a fan-shaped steel plate to play a role in positioning and guiding, a telescopic rod 14 is arranged on the U-shaped groove 17, a spring 16 is sleeved on the telescopic rod 14 and penetrates through a spring baffle 15, the telescopic rod 14 and the spring baffle 15 are not fixed, and the telescopic rod 14 can penetrate through a middle round hole 24 of the spring baffle 15. The rectangular boss 23 of the spring baffle 15 is matched with the rectangular mounting hole 5 of the fan-shaped steel plate, the rope pressing wheel assembly can move along the radial direction of the large turntable 3, the spring 16 pushes the rope pressing wheel 22 to press the steel wire rope 13 into the groove of the large turntable 3, and friction force is generated between the steel wire rope 13 and the large turntable 3 and is power for driving the steel wire rope to rotate.
As shown in fig. 1, a notch is left at the upper right corner of the elevator casing 1, so as to shorten the rope inlet pipe 11 and the rope outlet pipe 12, the direction of the rope inlet pipe 11 is the same as the tangential direction of the large turntable 3, and the direction of the rope outlet pipe 12 is as follows: the horizontal direction is the same as the tangential direction of the large turntable 3, and the position of the rope outlet deviates outwards or inwards by 8-10 mm along the direction vertical to the drawing sheet, so that the inlet steel wire rope and the outlet steel wire rope do not cross and meet. In order to allow the wire rope to naturally sag after exiting the rope tube without friction with the elevator casing 1, a pulley 10 is mounted via a bearing 9 in the position shown in fig. 1, the pulley 10 being provided with grooves of about 8mm deep and 8mm wide, and the wire rope 13 naturally sag after exiting the rope tube 12 and after passing through the pulley 10.
The basket hoister is very simple and convenient to process and manufacture, and can be processed according to a general machining process according to the specification and the drawing. The shell 1 and the large turntable 3 have the same processing technology as the existing hanging basket hoister; the wheel row sector steel plate, the U-shaped groove 17, the spring baffle 15 adopts a stamping forming technology, the pulley 10, the pulley 22, the pin shaft 21, the movable pin 18 and the telescopic rod 14 adopt a lathe processing technology; the rope inlet pipe 11, the rope outlet pipe 12 and the shaft sleeve 20 adopt the processing technologies of cutting, grinding wheel grinding and the like; the springs 16 may be customized with the machine that produces the springs; the connection of all the components adopts the connection technologies of welding, riveting, bolts and the like; various standard components such as bearings 9, 19, bolts and the like are purchased in the market. The installation and the use are also very simple and convenient.
Other than the features described in the specification, are known to those skilled in the art.
While only the preferred embodiments of the present invention have been described above, it should be noted that it will be apparent to those skilled in the art that variations and modifications, for example, increase or decrease in the number of wheel sets, can be made without departing from the inventive concept; increasing or decreasing the number of the rope pressing wheel assemblies; enlarging or reducing the size of a certain component; the rope inlet pipe and the rope outlet pipe are arranged on the left side; these are all within the scope of the present invention.
Claims (5)
1. A basket lift comprising: shell, carousel, wheel row, pressure rope sheave assembly, advance the rope pipe, go out the rope pipe, pulley, its characterized in that: the wheel rows are arranged around the large turntable, the rope pressing wheels are embedded into grooves of the large turntable, the rope pressing wheel assemblies are arranged along the radial direction of the large turntable, a notch is formed in the upper right corner of the shell, steel wire ropes are staggered outside the shell of the elevator, and pulleys are arranged on the right side of the rope inlet pipe; the wheel row comprises: a fan-shaped steel plate and a rope pressing wheel assembly, circle center of fan-shaped steel plate the circle centers of the large turntables are the same; rectangular small holes are formed in the fan-shaped steel plates and are used for installing spring baffle plates; the fan-shaped steel plate is provided with small holes with two circular ends in the middle rectangle and is used as a sliding track of the movable pin; the rope pressing wheel assembly is arranged between the two fan-shaped steel plates along the radial direction of the large turntable, the rope pressing wheel can radially move along the large turntable under the constraint of a central round hole of the spring baffle and the sliding track, and the spring pushes the rope pressing wheel to press the steel wire rope, so that friction force is generated between the steel wire rope and the large turntable; the rope pressing wheel assembly comprises: the outer ring of the rope pressing wheel comprises a boss which can be embedded into a groove of a large turntable, and a small groove is formed in the boss and can clamp a steel wire rope; the rope pressing wheel is arranged in the U-shaped groove through a bearing, a shaft sleeve and a pin shaft; the two sides of the U-shaped groove are provided with movable pins which can move along the sliding track on the fan-shaped steel plate; a telescopic rod is arranged on the U-shaped groove, a spring is sleeved on the telescopic rod, and the telescopic rod can pass through a round hole in the center of the spring baffle.
2. A basket lift as claimed in claim 1 wherein: the rope inlet pipe is shortened to 40-90mm, and the direction is along the vertical direction and is the same as the tangential direction of the large turntable.
3. A basket lift as claimed in claim 1 wherein: the rope outlet pipe is shortened to 40-90mm, the direction is along the horizontal direction, and the rope outlet pipe is identical to the tangential direction of the large turntable, and the position of the rope outlet pipe deviates outwards or inwards by 8-10 mm along the direction perpendicular to the drawing paper.
4. A basket lift as claimed in claim 1 wherein: the upper right corner of the shell is provided with a notch, so that the crossing position of the rope inlet pipe steel wire rope and the rope outlet pipe steel wire rope is positioned outside the shell of the elevator.
5. A basket lift as claimed in claim 1 wherein: the right side of the rope inlet pipe is provided with a pulley, the pulley is provided with a groove with the depth of 8 mm and the width of 8 mm, the right side of the pulley is exposed out of the shell, and the upper surface of the pulley is exposed out of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330005.6A CN111321882B (en) | 2020-04-24 | 2020-04-24 | Hanging basket lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330005.6A CN111321882B (en) | 2020-04-24 | 2020-04-24 | Hanging basket lifting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111321882A CN111321882A (en) | 2020-06-23 |
| CN111321882B true CN111321882B (en) | 2024-09-03 |
Family
ID=71168202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010330005.6A Active CN111321882B (en) | 2020-04-24 | 2020-04-24 | Hanging basket lifting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111321882B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212129875U (en) * | 2020-04-24 | 2020-12-11 | 牛建华 | Hanging basket elevator |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE532101C (en) * | 1931-03-19 | 1931-08-20 | Fried Krupp Grusonwerk Akt Ges | Pull-off device, especially for stranding machines, cable machines, etc. like |
| DE2307370C3 (en) * | 1973-02-15 | 1979-03-29 | Carl 5291 Kupferberg Kaeufer | Cable winch, especially for hanging scaffolding |
| JPH10226494A (en) * | 1997-02-14 | 1998-08-25 | Sumitomo Constr Mach Co Ltd | Crane gantry |
| JP2004091168A (en) * | 2002-09-03 | 2004-03-25 | Nisshin Steel Co Ltd | Crane wire rope bracing device |
| CN2623782Y (en) * | 2003-01-15 | 2004-07-07 | 杨九杰 | Lifting mechanism for cradle of high-altitude working |
| CN200940080Y (en) * | 2006-07-27 | 2007-08-29 | 张建平 | Climbing rope type elevator |
| CN201634386U (en) * | 2010-04-13 | 2010-11-17 | 侯秀峰 | Electric suspended platform lifter of work at heights |
| CN202415056U (en) * | 2012-01-08 | 2012-09-05 | 莱芜世特经贸有限公司 | Folding sleeved rope guide device for electric hoist |
| CN104264966A (en) * | 2014-09-23 | 2015-01-07 | 申锡机械有限公司 | Uniform load rope pressing device |
| CN204162340U (en) * | 2014-10-10 | 2015-02-18 | 徐洪丰 | Anti-sticking anticracking gig |
| CN207434970U (en) * | 2017-11-16 | 2018-06-01 | 李贤明 | Rope climbing machine |
| CN210360443U (en) * | 2019-07-15 | 2020-04-21 | 中内凯思汽车新动力系统有限公司 | Oblique oilhole processing frock of piston skirt portion |
-
2020
- 2020-04-24 CN CN202010330005.6A patent/CN111321882B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212129875U (en) * | 2020-04-24 | 2020-12-11 | 牛建华 | Hanging basket elevator |
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| CN111321882A (en) | 2020-06-23 |
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