AU2015409389B2 - Vertical parking system applicable to narrow and long spaces - Google Patents

Vertical parking system applicable to narrow and long spaces Download PDF

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Publication number
AU2015409389B2
AU2015409389B2 AU2015409389A AU2015409389A AU2015409389B2 AU 2015409389 B2 AU2015409389 B2 AU 2015409389B2 AU 2015409389 A AU2015409389 A AU 2015409389A AU 2015409389 A AU2015409389 A AU 2015409389A AU 2015409389 B2 AU2015409389 B2 AU 2015409389B2
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Australia
Prior art keywords
column
hydraulic
oil
loading board
lifting mechanism
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AU2015409389A
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AU2015409389A1 (en
Inventor
Guohua Cao
Wei Li
Penghui WANG
Gongbo Zhou
Ping Zhou
Zhencai Zhu
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/02Small garages, e.g. for one or two cars
    • E04H6/06Small garages, e.g. for one or two cars with means for shifting or lifting vehicles

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

A vertical parking system applicable to narrow and long spaces, comprising a rack, a middle guide rail, a bearing mechanism, a hydraulic lifting mechanism, a vehicle carrier plate turnover mechanism, a hydraulic system, and a control system. The rack comprises a left column (23), a right column (1), a base (14), and crossbeams (25). The middle guide rail comprises a middle column (27), a sliding stand assembly, and a clamping mechanism. The bearing mechanism comprises bearing shafts (21), L-shaped cantilevers (18), vehicle carrier plates (15), a guard rail (29), roller assemblies (17), and upper connecting lugs (19). The vehicle carrier plate turnover mechanism comprises electric winches (2), winch mounting bases (3), guide wheels (4), steel wire ropes (5), and movable platforms (16). The hydraulic lifting mechanism comprises hydraulic cylinders (9), sprockets (7), chains (11), lateral shafts (6), V-shaped wheels (12), adjusting bolts (10), and fixing bases (8). The control system comprises an infrared remote control and a single-chip microcomputer control system.

Description

Description
VERTICAL PARKING SYSTEM APPLICABLE TO NARROW AND LONG SPACES
Field of the Invention
The present invention relates to the technical field of three-dimensional parking garages, in particular to a three-dimensional parking system applicable to narrow and long spaces.
Background of the Invention
As the quantity of private cars increases at an astonishing rate in China, three-dimensional parking systems have been applied more and more widely to overcome the difficulties of parking. However, conventional road-by three-dimensional parking systems are huge in size and difficult to operate, cannot be used in areas with densely distributed narrow and long spaces, such as old residence communities, city comers, yards in companies, and alleys, etc. Therefore, it is of great practical significance to design a three-dimensional parking system that is safe and reliable and applicable to narrow and long spaces, in order to bring convenience to people's daily life, rationally exploit space resources, and promote social development.
The Chinese patent document CN202416936U has disclosed a Suspended Small-Berth Parking System, which comprises a hollow column, a parking disk, a parking disk sliding rail rollers, a beam, a chain, a motor, and a worm gear reducer, etc. Though the parking system greatly saves the floor space when compared with an existing three-dimensional parking system, it only employs one hollow column, which may bear a high bending moment under load; moreover, the parking disk may have transversal vibration easily, and the stress condition of the system is poor; the requirement for the strength and rigidity of the parts for connecting the parking disk with the column is high, because stress concentration exists at the joint between the parking disk and the column; since a single chain is used at the inner side and the outer side respectively, danger may occur if the chain is broken or the joint gets loose; the parking disk cannot be turned over, and has to be placed in a suspended state when there is no car in the berth, resulting in poor appearance and hampering large-size vehicles passing beneath it.
Contents of the Invention
Object of the invention: To overcome the technical drawbacks of existing three-dimensional parking systems in the prior art, such as large size, high capital cost, complex operation, especially,
- 1 inapplicability to installation and use in narrow and long spaces, etc., the present invention provides a three-dimensional parking system, which can greatly save space, reduce cost, simplify operation, and is especially suitable for installation and use in narrow and long spaces, such as passages, etc.
To attain the object described above, the present invention employs the following technical scheme: A three-dimensional parking system applicable to narrow and long spaces, comprising: a frame, a middle guide rail, a load bearing mechanism, a hydraulic lifting mechanism, a loading board turnover mechanism, a hydraulic system, and a control system, wherein, the frame comprises a left column, a right column, a base, and a beam, wherein, the left column and the right column are arranged symmetrically at two ends of the base, and the beam is fixed between the left column and the right column; the middle guide rail comprises a middle column, a sliding platform assembly, and a clamping mechanism, wherein, the middle column is arranged between the left column and the right column, the bottom of the middle column is fixed to the base, the sides of the middle column are fixed to the beam, the sliding platform assembly is arranged on the middle column in a way that the sliding platform assembly can move up and down, and the clamping mechanism is arranged on the sliding platform assembly; the load bearing mechanism comprises a load bearing shaft, L-type cantilever beams, a loading board, a guard railing, roller assemblies, and upper connecting lugs, wherein, the middle part of the load bearing shaft is disposed in the clamping mechanism, guide mechanisms are arranged between the two ends of the load bearing shaft and the left column and right column, the L-type cantilever beams are arranged on the load bearing shaft via the upper connecting lugs, the loading board is arranged on the L-type cantilever beams, the roller assemblies are arranged on an inner side surface of the loading board in a way that the roller assemblies can roll up and down along the left column and the right column, and the guard railing is arranged at the outer side of the loading board; the loading board turnover mechanism comprises a left loading board turnover mechanism and a right loading board turnover mechanism, each of which comprises an electric winch, a winch mounting base, a guide wheel, a steel wire rope, and a movable platform, wherein, the electric winch is arranged on a side of the left column and right column via the winch mounting base, the movable platform is arranged on the loading board, one end of the steel wire rope is connected to the movable platform, and the other end of the steel wire rope runs over the guide wheel and is fixed to the electric winch; the hydraulic lifting mechanism comprises a left hydraulic lifting mechanism and a right hydraulic lifting mechanism, wherein, the left hydraulic lifting mechanism is arranged between the left column and the middle column, and comprises a hydraulic cylinder, sprockets, a chain, a transverse shaft, a V-type wheel, an adjusting bolt, and a fixing base, wherein, the bottom of a cylinder block of the hydraulic cylinder is fixed to the base, the top of the cylinder block is fixed via the fixing base to the beam, the transverse shaft is welded to a piston rod of the hydraulic cylinder, sprockets are arranged on the two ends of the
- 2 transverse shaft, the V-type wheel is arranged on the load bearing shaft, one end of the chain is fixed via the adjusting bolt to the beam, the other end of the chain is meshingly mounted on the V-type wheel, the middle part of the chain is meshingly mounted on the sprockets, the right hydraulic lifting mechanism is arranged between the right column and the middle column, and is in the same structure as the left hydraulic lifting mechanism, the hydraulic cylinders of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected to the hydraulic system respectively; the control system comprises an infrared remote controller and an AT89S52 single-chip microcomputer control system, wherein, the infrared remote controller is connected to the AT89S52 single-chip microcomputer control system via a transmitting circuit, and the AT89S52 single-chip microcomputer control system is connected to the hydraulic lifting mechanism and the loading board turnover mechanism through a data cable respectively.
Furthermore, the middle column has a cavity passing through it in the vertical direction in the middle part, the cavity has an opening on one side, and iron bars are welded to the inner wall of the cavity; the sliding platform assembly comprises a main sliding platform body, sliding blocks, rotary mandrels, first taper roller bearings, screws, flat keys, and wheels, wherein, the sliding blocks are arranged on the upper end and lower end of the main sliding platform body by means of the screws, the rotary mandrels pass through the main sliding platform body, the first taper roller bearings are arranged between the rotary mandrels and the main sliding platform body, the wheels are arranged on the two ends of the rotary mandrels, and the rotary mandrels are connected with the wheels via the flat keys; the clamping mechanism comprises a front clamping block, a rear clamping block, a second taper roller bearing, and a bearing end cap, wherein, the rear clamping block is connected with the main sliding platform body into one piece, the front clamping block is connected with the rear clamping block by bolts, a shaft hole is formed between the front clamping block and the rear clamping block, and the second taper roller bearing and the bearing end cap are arranged at the two ends of the shaft hole.
Furthermore, the guide mechanism comprises guide rails and U-type wheels, wherein, the guide rails are arranged at front side and rear side in the left column and the right column, the U-type wheels are arranged at the ends of the load bearing shaft, a pair of first angular contact ball bearings are arranged between the U-type wheels and the load bearing shaft, and a first sleeve is arranged between the first angular contact ball bearings; the roller assembly comprises a roller, a fixing mandrel, a third taper roller bearing, and a second nut, wherein, the fixing mandrel is arranged on the loading board via the second nut, the roller is arranged on the fixing mandrel, and the third taper roller bearing is arranged between the fixing mandrel and the roller.
Furthermore, the movable platform comprises a channel steel arranged on the loading board, a lead
- 3 screw and a linear guide rail are arranged in parallel to each other in the channel steel, a servo motor is arranged at the outer side of one end of the channel steel, an output shaft of the servo motor is connected to the lead screw via a plum coupling, third angular contact ball bearings are arranged on the two ends of the lead screw and arranged on lower bearing housings via upper bearing housings, a screw nut is arranged on the lead screw, a connecting piece is arranged on the screw nut, a movable board is arranged on the connecting piece by fixing screws, a slide carriage is arranged on the linear guide rail, the slide carriage is connected with the movable board by bolts, an ascending limit switch and a descending limit switch are arranged on the two ends of the linear guide rail, a steel wire rope head is fixed to the movable board via a steel wire rope clip.
Furthermore, the hydraulic system comprises an oil tank, an oil outlet of the oil tank is connected to an oil inlet of a pump via an oil filter, an oil outlet of the pump is connected to an oil inlet of a three-position four-way solenoid directional valve and an oil inlet of an overflow valve respectively, an oil outlet of the three-position four-way solenoid directional valve and an oil outlet of the overflow valve are connected to an oil inlet of the oil tank, a first working oil port of the three-position four-way solenoid directional valve is connected to an oil inlet of an one-way throttle valve, an oil outlet of the one-way throttle valve is connected to an oil inlet of a flow distributing and collecting valve, oil outlets of the flow distributing and collecting valve are connected to oil inlets of two hydraulic control check valves respectively, oil outlets of the hydraulic control check valves are connected to oil inlets of the hydraulic cylinders of the left hydraulic lifting mechanism and the right hydraulic lifting mechanisms, oil outlets of the hydraulic cylinders of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected through pipelines to an oil circuit controlled by the hydraulic control check valve and a second working oil port of the three-position four-way solenoid directional valve.
Beneficial effects:
1. the three-dimensional parking system provided in the present invention is compact in structure, easy to operate and install, easy to service, safe and reliable, and low in cost;
2. compared with large-size parking systems, the three-dimensional parking system shortens the car parking and taking time, eliminates waiting time, and thereby greatly saves time for the user;
3. the loading board can be turned over, so that it can be turned over and laid aside when there is no car and can be deployed when car parking is required, and thereby greatly saves spaces and is suitable for use in narrow and long spaces;
4. the three-dimensional parking system installed in a narrow and long space has double safety
- 4 guards (i.e., the hydraulic circuit of the hydraulic system, and the steel wire ropes of the loading board turnover mechanism) and doesn't require any additional anti-dropping device;
5. the U-type wheels mounted on the two ends of the load bearing shaft attain a guiding function, and the U-type wheels work with the guide rails so as to reduce transversal vibration of the loading board and thereby improve stability of system operation;
6. the middle guide rail arranged between the left column and the right column attains a guiding function and adds a central fulcrum for the load bearing shaft, and thereby improves the strength and rigidity of the load bearing shaft, makes the stress on the load bearing shaft more even, and improves system safety;
7. multiple L-type cantilever beams are utilized to bear the weight of the car evenly, making the stress on the entire system more even;
8. the hydraulic system employs flow distributing and collecting valves to synchronize the hydraulic circuits, and thereby attains high synchronism and reduces error;
9. the control system employs a single-chip microcomputer as a core processor, which can accomplish speed control, position control, sequential action control and safety interlock control, and has high control accuracy and high stability.
Description of the Drawings
Fig. 1 is a schematic diagram of the entire machine according to the present invention;
Fig. 2 is a structural diagram of the sliding platform assembly in the present invention;
Fig. 3 is a top view of the middle guide rail in the present invention;
Fig. 4 is a structural diagram of the clamping mechanism in the present invention;
Fig. 5 is a structural diagram of the guide mechanism in the present invention;
Fig. 6 is a structural diagram of the roller assembly in the present invention;
Fig. 7 is a schematic diagram of the loading board in the present invention after the loading board is turned over and laid aside;
Fig. 8 is a structural diagram of the movable platform in the present invention;
Fig. 9 is a structural diagram of the hydraulic lifting mechanism in the present invention;
Fig. 10 is an installation structural diagram of the sprockets of the hydraulic lifting mechanism in the present invention;
Fig. 11 is a schematic diagram of the hydraulic system in the present invention;
- 5 Fig. 12 is a structural block diagram of the control system in the present invention;
Fig. 13 is a hardware block diagram of the infrared remote controller in the present invention;
Fig. 14 is a hardware block diagram of the AT89S52 single-chip microcomputer control system in the present invention;
Fig. 15 is a workflow diagram of car parking in the present invention;
Fig. 16 is a workflow diagram of car taking in the present invention.
In the figures: 1: right column; 2: electric winch; 3: winch mounting base; 4: guide wheel; 5: steel wire rope; 6: transverse shaft; 7: sprocket; 8: fixing base; 9: hydraulic cylinder; 10: adjusting bolt; 11: chain; 12: V-type wheel; 13: oblique reinforcing rib; 14: base; 15: loading board; 16: movable platform; 17: roller assembly; 18: L-type cantilever beam; 19: upper connecting lug; 20: U-type wheel; 21: load bearing shaft; 22: main sliding platform body; 23: left column; 24: guide rail; 25: beam; 26: iron bar; 27: middle column; 28: web plate; 29: guard railing; 30: screw; 31: sliding block; 32: wheel; 33: rotary mandrel; 34: rear clamping block; 35: first nut; 36: flat key; 37: shaft sleeve; 38: first taper roller bearing; 39: front clamping block; 40: bearing end cap; 41: second taper roller bearing; 42: third taper roller bearing; 43: fixing mandrel; 44: roller; 45: second nut; 46: third nut; 47: first sleeve; 48: first angular contact ball bearing; 49: fourth nut; 50: second angular contact ball bearing; 51: second sleeve; 52: welded steel plate; 53: triangular steel; 54: servo motor; 55: plum coupling; 56: slide carriage; 57: movable board; 58: connecting piece; 59: fixing screw; 60: screw nut; 61: lead screw; 62: linear guide rail; 63: upper bearing housing; 64: lower bearing housing; 65: third angular contact ball bearing; 66: end cap; 67: channel steel; 68: oil tank; 69: oil filter; 70: overflow valve; 71: motor; 72: pump; 73: three-position four-way solenoid directional valve; 74: one-way throttle valve; 75: flow distributing and collecting valve; 76: hydraulic control check valve; 77: pipeline.
Detailed Description of the Embodiments
Hereunder the present invention will be further detailed, with reference to the accompanying drawings.
The three-dimensional parking system applicable to narrow and long spaces disclosed in the present invention comprises a frame, a middle guide rail, a load bearing mechanism, a hydraulic lifting mechanism, a loading board turnover mechanism, a hydraulic system, and a control system.
As shown in Fig. 1, the frame comprises a left column 23, a right column 1, a base 14, and a beam
25. The base 14 is arranged on the ground, the left column 23 and the right column 1 are arranged symmetrically at two ends of the base 14, the back sides of the left column 23 and the right column
- 6 1 are fixedly arranged on a wall or an oblique steel frame, and the beam 25 is fixed between the left column 23 and the right column 1 by welding.
As shown in Figs. 1-4, the middle guide rail comprises a middle column 27, a sliding platform assembly, and a clamping mechanism. The middle column 27 is arranged between the left column 23 and the right column 1, the bottom of the middle column 27 is fixed to the base 14, and the sides of the middle column 27 are fixed to the beam 25. The sliding platform assembly is arranged on the middle column 27 in a way that the sliding platform assembly can move up and down, and the clamping mechanism is arranged on the sliding platform assembly in a way that the clamping mechanism can move up and down along with the sliding platform assembly.
In this embodiment, the middle column 27 is made of folded sheet metal parts, and has a cavity passing through it in vertical direction in the middle part; an opening is formed on one side of the cavity, an iron bar 26 is welded at each of the four corners of the inner walls of the cavity, several web plates 28 are welded at the bends of the sheet metal parts on the sides of the middle column 27 in order to improve the overall strength of the middle column 27. The sliding platform assembly comprises a main sliding platform body 22, sliding blocks 31, rotary mandrels 33, first taper roller bearings 38, screws 30, flat keys 36, and wheels 32. Four identical sliding blocks 31 are arranged on the upper end and lower end of the main sliding platform body 22 by means of the screws 30, three identical rotary mandrels 33 pass through the main sliding platform body 22, the first taper roller bearings 38 are arranged between the rotary mandrels 33 and the main sliding platform body 22, the wheels 32 are arranged on the two ends of the rotary mandrels 33, the rotary mandrels 33 are connected with the wheels 32 via the flat keys 36, the wheels 32 are axially positioned via the first nuts 35 and shaft sleeves 37, the sliding blocks 31 contact with the iron bars 26 by sliding friction, and the wheels 32 contact with the iron bars 26 by rolling friction. The clamping mechanism comprises a front clamping block 39, a rear clamping block 34, a second taper roller bearing 41, and a bearing end cap 40. The rear clamping block 34 is connected with the main sliding platform body 22 into one piece by casting, the front clamping block 39 is connected with the rear clamping block 34 by bolts, a shaft hole is formed between the front clamping block 39 and the rear clamping block 34, and the second taper roller bearing 41 and the bearing end cap 40 are arranged at the two ends of the shaft hole.
As shown in Figs. 1, 5, 6 and 7, the load bearing mechanism comprises a load bearing shaft 21, L-type cantilever beams 18, a loading board 15, a guard railing 29, roller assemblies 17, and upper connecting lugs 19. The middle part of the load bearing shaft 21 is disposed in a shaft hole in the clamping mechanism, guide mechanisms are arranged between the two ends of the load bearing shaft 21 and the left column 23 and right column 1, four L-type cantilever beams 18 are arranged at
- 7 an even interval on the load bearing shaft 21 via the upper connecting lugs 19 without rotation in relation to the load bearing shaft 21, the loading board 15 is arranged on the L-type cantilever beams 18, a pair of roller assemblies 17 is arranged on an inner side surface of the loading board 15 in a way that the roller assemblies 17 can roll up and down along the left column 23 and the right column 1, and the guard railing 29 is arranged at the outer side of the loading board 15. In addition, oblique reinforcing ribs 13 are arranged between the loading board 15 and the L-type cantilever beams 18, triangular steels 53 are welded to the bottom of the loading board 15 and used as reinforcing ribs, welded steel plates 52 are arranged on the bottom of the triangular steels 53, and other parts can be arranged on the loading board 15 as required.
In this embodiment, the guide mechanism comprises guide rails 24 and U-type wheels 20. The guide rails 24 are arranged at front side and rear side in the left column 23 and the right column 1, the guide rail 24 may be cast with the columns into one piece or mounted on the columns by bolts, the U-type wheels 20 are arranged at the ends of the load bearing shaft 21, a pair of first angular contact ball bearings 48 are arranged between the U-type wheels 20 and the load bearing shaft 21, a first sleeve 47 is arranged between the first angular contact ball bearings 48, and the first angular contact ball bearings 48 and the first sleeve 47 are axially positioned by means of a third nut 46. The roller assembly 17 comprises a roller 44, a fixing mandrel 43, a third taper roller bearing 42, and a second nut 45, the fixing mandrel 43 is arranged on the loading board 15 via the second nut 45, the roller 44 is arranged on the fixing mandrel 43, and the third taper roller bearing 42 is arranged between the fixing mandrel 43 and the roller 44, so that the roller 44 can rotate on the fixing mandrel 43.
As shown in Figs. 1, 7 and 8, the loading board turnover mechanism comprises a left loading board turnover mechanism and a right loading board turnover mechanism, each of which comprises an electric winch 2, a winch mounting base 3, a guide wheel 4, a steel wire rope 5, and a movable platform 16, the electric winch 2 is arranged on a side of the left column 23 and right column 1 via the winch mounting base 3, the movable platform 16 is arranged on the loading board 15, one end of the steel wire rope 5 is connected to the movable platform 16, and the other end of the steel wire rope 5 runs over the guide wheel 4 and is fixed to the electric winch 2. The left loading board turnover mechanism and the right loading board turnover mechanism are synchronized by the control system. The loading board 15 is pulled by the steel wire ropes 5 to lean against the outer surfaces of the left column 23 and the right column 1 when there is no car, and the loading board 15 can be deployed slowly via the winch 2 when car parking is required.
In this embodiment, the movable platform 16 comprises a servo motor 54, a plum coupling 55, a lead screw 61, a screw nut 60, third angular contact ball bearings 65, upper bearing housings 63,
- 8 lower bearing housings 64, a connecting piece 58, a movable board 57, a slide carriage 56, a linear guide rail 62, and a channel steel 67. A channel steel 67 is arranged on the loading board 15, a lead screw 61 and a linear guide rail 62 are arranged in parallel to each other in the channel steel 67, a servo motor 54 is arranged at the outer side of one end of the channel steel 67, an output shaft of the servo motor 54 is connected to the lead screw 61 via a plum coupling 55, third angular contact ball bearings 65 are arranged on the two ends of the lead screw 61 and arranged on lower bearing housings 64 via upper bearing housings 63, end caps 66 are arranged on the sides of the third angular contact ball bearings 65, a screw nut 60 is arranged on the lead screw 61, a connecting piece 58 is arranged on the screw nut 60, a movable board 57 is arranged on the connecting piece 58 by fixing screws 59, a slide carriage 56 is arranged on the linear guide rail 62, the slide carriage 56 is connected with the movable board 57 by bolts, an ascending limit switch and a descending limit switch are arranged on the two ends of the linear guide rail 62, the steel wire rope 5 head is fixed to the movable board 57 via a steel wire rope clip.
As shown in Figs. 1, 9 and 10, the hydraulic lifting mechanism comprises a left hydraulic lifting mechanism and a right hydraulic lifting mechanism, the left hydraulic lifting mechanism is arranged between the left column 23 and the middle column 27, and comprises a hydraulic cylinder 9, sprockets 7, a chain 11, a transverse shaft 6, a V-type wheel 12, an adjusting bolt 10, and a fixing base 8, the bottom of a cylinder block of the hydraulic cylinder 9 is fixed to the base 14, the top of the cylinder block is fixed via the fixing base 8 to the beam 25, a gasket is arranged between the beam 25 and the cylinder block, the transverse shaft 6 is welded to a piston rod of the hydraulic cylinder, sprockets 7 are arranged on the two ends of the transverse shaft 6, second angular contact ball bearings 50 are arranged in the hubs at the two ends of the sprocket 7, a second sleeve 51 is arranged between the second angular contact ball bearings 50, the second angular contact ball bearings 50 and the second sleeve 51 are axially positioned via a fourth nut 49, so that the sprockets 7 can rotate around the transverse shaft 6 to attain the function of movable pulleys, the sprockets 7 are designed in dimensions that ensure the chain 11 is in vertical direction when it operates, the V-type wheel 12 is arranged on the load bearing shaft 21, an angular contact bearing is arranged between the V-type wheel 12 and the load bearing shaft 21, one end of the chain 11 is fixed via the adjusting bolt 10 to the beam 25, the other end of the chain 11 is meshingly mounted on the V-type wheel 12, and the middle part of the chain 11 is meshingly mounted on the sprockets 7. The right hydraulic lifting mechanism is arranged between the right column 1 and the middle column 27, and is in the same structure as the left hydraulic lifting mechanism. The hydraulic cylinders 9 of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected to the hydraulic system respectively, and the speeds of the two hydraulic cylinders 9 are synchronized via the hydraulic system.
- 9 As shown in Fig. 11, in this embodiment, the hydraulic system comprises an oil tank 68, an oil filter 69, an overflow valve 70, a motor 71, a pump 72, a three-position four-way solenoid directional valve 73, an one-way throttle valve 74, a flow distributing and collecting valve 75, a hydraulic control check valve 76, and pipelines 77. An oil outlet of the oil tank 68 is connected to an oil inlet of the pump 72 via the overflow valve 70, the pump 72 is driven by the motor 71 to operate, an oil outlet of the pump 72 is connected to an oil inlet of the three-position four-way solenoid directional valve 73 and an oil inlet of the overflow valve 70 respectively, an oil outlet of the three-position four-way solenoid directional valve 73 and an oil outlet of the overflow valve 70 are connected to an oil inlet of the oil tank 68, a first working oil port of the three-position four-way solenoid directional valve 73 is connected to an oil inlet of the one-way throttle valve 74, an oil outlet of the one-way throttle valve 74 is connected to an oil inlet of the flow distributing and collecting valve 75, oil outlets of the flow distributing and collecting valve 75 are connected to oil inlets of two hydraulic control check valves 76 respectively, oil outlets of the hydraulic control check valves 76 are connected to oil inlets of the hydraulic cylinders 9 of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism, oil outlets of the hydraulic cylinders 9 of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected through pipelines 77 to an oil circuit controlled by the hydraulic control check valve 76 and a second working oil port of the three-position four-way solenoid directional valve 73. The hydraulic synchronization circuit employs a flow distributing and collecting valve 75 to control the oil flow into/out of the hydraulic cylinders 9 of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism, so that the two hydraulic cylinders 9 are still in speed synchronization state even when they bear different loads; the one-way throttle valve 74 is used to control the descending speed of the pistons of the hydraulic cylinders; the hydraulic control check valve 76 can prevent oil leakage through the throttling orifice in the flow distributing and collecting valve 75 resulted from load difference between the two hydraulic cylinders 9 when the pistons are in stopped state; the three-position four-way solenoid directional valve 73 is controlled by means of output signals from the control system.
The working principle of the hydraulic system in this embodiment is: in the operating process of the three-dimensional parking system, the hydraulic system has four operating modes: full-load ascending, full-load descending, zero-load ascending, and zero-load descending. In the full-load ascending mode, the three-position four-way solenoid directional valve 73 is switched to a left position, the motor 71 outputs a driving moment, and the loading board 15 moves upwards; when the U-type wheel 20 presses the ascending limit switch so that the ascending limit switch is closed, the three-position four-way solenoid directional valve 73 is switched to a middle position, and the hydraulic system is locked in still state; in the full-load descending mode, the three-position - 10 four-way solenoid directional valve 73 is switched to a right position, the motor 71 outputs a driving moment, and the descending speed of the pistons is controlled by means of the one-way throttle valve 74; when the descending limit switch is pressed to close, the three-position four-way solenoid directional valve 73 is switched to the middle position; in the zero-load ascending mode, the three-position four-way solenoid directional valve 73 is switched to the left position, the motor 71 outputs a lower driving moment, and a working time is set with the control system for the motor 71, in order to lift the loading board to a turnover position, when the working time is reached, the three-position four-way solenoid directional valve 73 is switched to the middle position, and the motor 71 is stopped; in the zero-load descending mode, the three-position four-way solenoid directional valve 73 is switched to the right position, the motor 71 outputs a lower driving moment, and the descending speed of the pistons is controlled by means of the one-way throttle valve 74, when the descending limit switch is pressed to close, the three-position four-way solenoid directional valve 73 is switched to the middle position. In the operating process of the hydraulic system, the hydraulic system is controlled by the control system, so as to accomplish sequential actions of the three-dimensional parking system.
As shown in Fig. 12, the control system comprises an infrared remote controller and an AT89S52 single-chip microcomputer control system, wherein, the infrared remote controller is connected to the AT89S52 single-chip microcomputer control system via a transmission circuit, the AT89S52 single-chip microcomputer control system is connected to the motor 71 and the three-position four-way solenoid directional valve 73 of the hydraulic lifting mechanism and the electric winches 2 and the servo motors 54 of the loading board turnover mechanism respectively through data cables, both the infrared remote controller and the AT89S52 single-chip microcomputer control system can communicate with a PC by serial communication via a serial conversion chip RS232 to download programs. Commands are sent from the infrared remote controller to the AT89S52 single-chip microcomputer control system; the AT89S52 single-chip microcomputer control system accepts the commands sent from the infrared remote controller, acquires signals related with the lifting mechanism and the loading board turnover mechanism, and then controls the movement of the lifting mechanism and the loading board turnover mechanism.
As shown in Fig. 13, the infrared remote controller comprises an AT89S52 chip, a keyboard circuit, a reset circuit, a clock circuit, a serial communication interface circuit, a 24C02 external memory module, a FCD display module, and an infrared signal transmitting circuit. The reset circuit and the clock circuit are connected with RST pin, and XTAF1, XTAF2 pins of the AT89S52 chip respectively, to form a minimum single-chip microcomputer system; the keyboard circuit is connected at P1.0-P1.6 pins of the AT89S52 chip, and can transmit key pressing signals to the
AT89S52 chip; the serial communication interface circuit is connected at P3.0 and P3.1 pins of the AT89S52 chip, to communicate with a PC; the 24C02 external memory module is connected at P3.6 and P3.7 pins of the AT89S52 chip, to store the user's information and key code information; the LCD display module is connected at P0.0-P0.7 and P2.5-P2.7 pins of the AT89S52 chip, to display the user's information and system status information; the infrared signal transmitting circuit is connected at P2.0 and P2.1 pins of the AT89S52 chip, to transmit the commands from the remote controller to the AT89S52 single-chip microcomputer control system.
As shown in Fig. 14, the AT89S52 single-chip microcomputer control system comprises an AT89S52 chip, a reset circuit, a clock circuit, a serial communication circuit, a 24C02 external memory module, a limit switch module, a sensor module, a voice module, an infrared receiver, a FED and buzzer alarm module, a motor driving module, a servo motor synchronous driving module, an electric winch synchronous driving module, and a three-position four-way solenoid valve control module. The reset circuit and the clock circuit are connected with RST pin, and XTAL1, XTAL2 pins of the AT89S52 chip respectively, to form a minimum single-chip microcomputer system; the serial communication circuit is connected at P3.0 and P3.1 pins of the AT89S52 chip, to communicate with the PC; the 24C02 external memory module is connected at Pl.6 and Pl.7 pins of the AT89S52 chip, to store the user's information, key code information, and system information; the limit switch module and the sensor module are connected at P1.0-P1.4 pins and Pl.5 pin of the AT89S52 respectively, to acquire real-time signals in the operating process of the mechanisms; the voice module is connected at the P0.0-P0.5 pins of the AT89S52 chip, to provide voice prompts to the user; the infrared receiver is connected at P2.7 pin of the AT89S52 chip, to receive signals from the infrared remote controller; the LED and buzzer alarm module is connected at P2.0 and P2.1 pins of the AT89S52 chip, to give off alarms in case of system malfunction or danger; the motor driving module is connected at P3.7 pin of the AT89S52 chip, to drive the motor 71; the servo motor synchronous driving module is connected at P3.2-P3.4 pins of the AT89S52 chip, to drive the left and right servo motors 54 synchronously; the electric winch synchronous driving module is connected at P2.2-P2.4 pins of the AT89S52 chip, to drive the left and right electric winches 2 synchronously; the three-position four-way solenoid valve control module is connected at P3.5 and P3.6 pins of the AT89S52 chip, to control the direction reversal actions of the three-position four-way solenoid valve 73; braking signals for the left and right electric winches 2 are outputted from P2.5 and P2.6 pins of the AT89S52 chip, to exercise braking of the electric winches 2.
As shown in Fig. 15, the car parking process is as follows: a. the user inputs a parking command with the infrared remote controller; b. the loading board is deployed, the servo motors start operation, and the steel wire rope heads are moved to the inner side of the loading board; c. the loading board descends to the ground, and the user drives the car onto the loading board; d. the user gets off the car, and then the loading board ascends to a fixed elevation.
As shown in Fig. 16, the car taking process is as follows: a. the user inputs a taking command with the infrared remote controller; b. the loading board descends to the ground, and the then driver drives the car off the loading board; c. the loading board ascends to a turnover position; d. the servo motors start operation, and the steel wire rope heads are moved to the outer side of the loading board; e. the loading board is turned over.
While the present invention has been illustrated and described with reference to some preferred embodiments, the present invention is not limited to these. Those skilled in the art should recognize that various variations and modifications can be made without departing from the spirit and scope of the present invention. All of such variations and modifications shall be deemed as falling into the protected scope of the present invention.

Claims (14)

Claims
1. A three-dimensional parking system applicable to narrow and long spaces, wherein, comprising: a frame, a middle guide rail, a load bearing mechanism, a hydraulic lifting mechanism, a loading board turnover mechanism, a hydraulic system, and a control system; the frame comprises a left column (23), a right column (1), a base (14), and a beam (25), the left column (23) and the right column (1) are arranged symmetrically at two ends of the base (14), and the beam (25) is fixed between the left column (23) and the right column (1); the middle guide rail comprises a middle column (27), a sliding platform assembly, and a clamping mechanism, the middle column (27) is arranged between the left column (23) and the right column (1), the bottom of the middle column (27) is fixed to the base (14), the sides of the middle column (27) are fixed to the beam (25), the sliding platform assembly is arranged on the middle column (27) in a way that the sliding platform assembly can move up and down, and the clamping mechanism is arranged on the sliding platform assembly; the load bearing mechanism comprises a load bearing shaft (21), L-type cantilever beams (18), a loading board (15), a guard railing (29), roller assemblies (17), and upper connecting lugs (19), the middle part of the load bearing shaft (21) is disposed in the clamping mechanism, guide mechanisms are arranged between the two ends of the load bearing shaft (21) and the left column (23) and right column (1), the L-type cantilever beams (18) are arranged on the load bearing shaft (21) via the upper connecting lugs (19), the loading board (15) is arranged on the L-type cantilever beams (18), the roller assemblies (17) are arranged on an inner side surface of the loading board (15) in a way that the roller assemblies (17) can roll up and down along the left column (23) and the right column (1), and the guard railing (29) is arranged at the outer side of the loading board (15); the loading board turnover mechanism comprises a left loading board turnover mechanism and a right loading board turnover mechanism, each of which comprises an electric winch (2), a winch mounting base (3), a guide wheel (4), a steel wire rope (5), and a movable platform (16), the electric winch (2) is arranged on a side of the left column (23) and right column (1) via the winch mounting base (3), the movable platform (16) is arranged on the loading board (15), one end of the steel wire rope (5) is connected to the movable platform (16), and the other end of the steel wire rope (5) runs over the guide wheel (4) and is fixed to the electric winch (2); the hydraulic lifting mechanism comprises a left hydraulic lifting mechanism and a right hydraulic lifting mechanism, the left hydraulic lifting mechanism is arranged between the left column (23) and the middle column (27), and comprises a hydraulic cylinder (9), sprockets (7), a chain (11), a transverse shaft (6), a V-type wheel (12), an adjusting bolt (10), and a fixing base (8), the bottom of a cylinder block of the hydraulic cylinder (9) is fixed to the base (14), the top of the cylinder block is fixed via the fixing base (8) to the beam (25), the transverse shaft (6) is welded
- -14to a piston rod of the hydraulic cylinder, sprockets (7) are arranged on the two ends of the transverse shaft (6), the V-type wheel (12) is arranged on the load bearing shaft (21), one end of the chain (11) is fixed via the adjusting bolt (10) to the beam (25), the other end of the chain (11) is meshingly mounted on the V-type wheel (12), the middle part of the chain (11) is meshingly mounted on the sprockets (7), the right hydraulic lifting mechanism is arranged between the right column (1) and the middle column (27), and is in the same structure as the left hydraulic lifting mechanism, the hydraulic cylinders (9) of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected to the hydraulic system respectively; the control system comprises an infrared remote controller and an AT89S52 single-chip microcomputer control system, the infrared remote controller is connected to the AT89S52 single-chip microcomputer control system via a transmitting circuit, and the AT89S52 single-chip microcomputer control system is connected to the hydraulic lifting mechanism and the loading board turnover mechanism through a data cable respectively.
2/14
Fig. 2
2. The three-dimensional parking system applicable to narrow and long spaces according to claim 1, wherein, the middle column (27) has a cavity passing through it in the vertical direction in the middle part, the cavity has an opening on one side, and iron bars (26) are welded to the inner wall of the cavity; the sliding platform assembly comprises a main sliding platform body (22), sliding blocks (31), rotary mandrels (33), first taper roller bearings (38), screws (30), flat keys (36), and wheels (32), the sliding blocks (31) are arranged on the upper end and lower end of the main sliding platform body (22) by means of the screws (30), the rotary mandrels (33) pass through the main sliding platform body (22), the first taper roller bearings (38) are arranged between the rotary mandrels (33) and the main sliding platform body (22), the wheels (32) are arranged on the two ends of the rotary mandrels (33), the rotary mandrels (33) are connected with the wheels (32) via the flat keys (36), the sliding blocks (31) contact with the iron bars (26) by sliding friction, and the wheels (32) contact with the iron bars (26) by rolling friction; the clamping mechanism comprises a front clamping block (39), a rear clamping block (34), a second taper roller bearing (41), and a bearing end cap (40), the rear clamping block (34) is connected with the main sliding platform body (22) into one piece, the front clamping block (39) is connected with the rear clamping block (34) by bolts, a shaft hole is formed between the front clamping block (39) and the rear clamping block (34), and the second taper roller bearing (41) and the bearing end cap (40) are arranged at the two ends of the shaft hole.
3/14
Fig. 3
3. The three-dimensional parking system applicable to narrow and long spaces according to claim 1, wherein, the guide mechanism comprises guide rails (24) and U-type wheels (20), the guide rails (24) are arranged at front side and rear side in the left column (23) and the right column (1),
-15the U-type wheels (20) are arranged at the ends of the load bearing shaft (21), a pair of first angular contact ball bearings (48) are arranged between the U-type wheels (20) and the load bearing shaft (21), and a first sleeve (47) is arranged between the first angular contact ball bearings (48); the roller assembly (17) comprises a roller (44), a fixing mandrel (43), a third taper roller bearing (42), and a second nut (45),the fixing mandrel (43) is arranged on the loading board (15) via the second nut (45), the roller (44) is arranged on the fixing mandrel (43), and the third taper roller bearing (42) is arranged between the fixing mandrel (43) and the roller (44).
4/14
Fig. 4
4. The three-dimensional parking system applicable to narrow and long spaces according to claim 1, wherein, the movable platform (16) comprises a channel steel (67) arranged on the loading board (15), a lead screw (61) and a linear guide rail (62) are arranged in parallel to each other in the channel steel (67), a servo motor (54) is arranged at the outer side of one end of the channel steel (67), an output shaft of the servo motor (54) is connected to the lead screw (61) via a plum coupling (55), third angular contact ball bearings (65) are arranged on the two ends of the lead screw (61) and arranged on lower bearing housings (64) via upper bearing housings (63), a screw nut (60) is arranged on the lead screw (61), a connecting piece (58) is arranged on the screw nut (60), a movable board (57) is arranged on the connecting piece (58) by fixing screws (59), a slide carriage (56) is arranged on the linear guide rail (62), the slide carriage (56) is connected with the movable board (57) by bolts, an ascending limit switch and a descending limit switch are arranged on the two ends of the linear guide rail (62), a steel wire rope (5) head is fixed to the movable board (57) via a steel wire rope clip.
5/14
Fig. 5
5. The three-dimensional parking system applicable to narrow and long spaces according to claim 1, wherein, the hydraulic system comprises an oil tank (68), an oil outlet of the oil tank (68) is connected to an oil inlet of a pump (72) via an oil filter (69), an oil outlet of the pump (72) is connected to an oil inlet of a three-position four-way solenoid directional valve (73) and an oil inlet of an overflow valve (70) respectively, an oil outlet of the three-position four-way solenoid directional valve (73) and an oil outlet of the overflow valve (70) are connected to an oil inlet of the oil tank (68), a first working oil port of the three-position four-way solenoid directional valve (73) is connected to an oil inlet of an one-way throttle valve (74), an oil outlet of the one-way throttle valve (74) is connected to an oil inlet of a flow distributing and collecting valve (75), oil outlets of the flow distributing and collecting valve (75) are connected to oil inlets of two hydraulic control check valves (76) respectively, oil outlets of the hydraulic control check valves (76) are connected to oil inlets of the hydraulic cylinders (9) of the left hydraulic lifting mechanism and the right hydraulic lifting mechanisms, oil outlets of the hydraulic
-16cylinders (9) of the left hydraulic lifting mechanism and the right hydraulic lifting mechanism are connected through pipelines (77) to an oil circuit controlled by the hydraulic control check valve (76) and a second working oil port of the three-position four-way solenoid directional valve (73).
-171/14
Fig. 1
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Fig. 6
7/14
8/14
Fig.
9 i
Fig. 10
Fig. Π
10/14
Fig. 12
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Fig. 13
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Fig. 14
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Fig. 15
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Fig. 16
AU2015409389A 2015-09-14 2015-12-28 Vertical parking system applicable to narrow and long spaces Ceased AU2015409389B2 (en)

Applications Claiming Priority (3)

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CN201510583077.0 2015-09-14
CN201510583077.0A CN105275236B (en) 2015-09-14 2015-09-14 Three-dimensional parking system applied to narrow and long space
PCT/CN2015/099121 WO2017045297A1 (en) 2015-09-14 2015-12-28 Vertical parking system applicable to narrow and long spaces

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AU2015409389B2 true AU2015409389B2 (en) 2018-04-12

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CN105275236A (en) 2016-01-27

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