CN112681839A - Automatic folding three-dimensional parking device - Google Patents

Automatic folding three-dimensional parking device Download PDF

Info

Publication number
CN112681839A
CN112681839A CN202011521316.7A CN202011521316A CN112681839A CN 112681839 A CN112681839 A CN 112681839A CN 202011521316 A CN202011521316 A CN 202011521316A CN 112681839 A CN112681839 A CN 112681839A
Authority
CN
China
Prior art keywords
parking
plate
parking plate
transmission
transmission screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011521316.7A
Other languages
Chinese (zh)
Inventor
张佳丽
高鹏
刘海平
牛天林
陈科全
曾番
赖青榆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Force Engineering University of PLA
Original Assignee
Air Force Engineering University of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Force Engineering University of PLA filed Critical Air Force Engineering University of PLA
Priority to CN202011521316.7A priority Critical patent/CN112681839A/en
Publication of CN112681839A publication Critical patent/CN112681839A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses an automatic folding three-dimensional parking device, which comprises parking frames, a first parking plate, a second parking plate and a transmission mechanism, wherein the first parking plate and the second parking plate are arranged between the two parking frames; through this device, can realize parking two vehicles on a parking stall, the device can realize folding automatically moreover, can realize folding the device when need not using, does not influence people's normal trip to and the use to public area, have convenient to use, characteristics that structural design is reasonable.

Description

Automatic folding three-dimensional parking device
Technical Field
The invention relates to the technical field of vehicle parking equipment, in particular to an automatic folding three-dimensional parking device.
Background
Along with the development of economy, the living standard of people is also increasing day by day, automobiles become essential articles for life, and the automobile keeping quantity in China is increasing continuously. According to 2018 data, the nationwide car stock reaches 2.4 hundred million cars, and private cars (private small and miniature passenger cars) continue to grow rapidly, and the stock reaches 1.89 hundred million. The increase of the automobile holding amount brings problems to the development of cities and the life of people. Wherein, the difficulty of parking is a great problem which troubles people going out. The main points are as follows:
the large-scale business center, the administrative office center, the catering and entertainment places have large flow of people and few public parking spaces, and the land resources are less, so that the large-scale parking building is not easy to construct.
Secondly, the old community has no matched underground parking garage, the demand of the ground parking space is large, and the existing parking space can not meet the demand;
in order to solve the problem, people actively explore and research novel parking devices which are high in space utilization rate, convenient and fast, and have obvious achievements on the market; but the existing three-dimensional parking device still has the disadvantages; for example, the device still occupies a certain area when not in use, and inconvenience is brought to the use of public areas; and because the parking space is higher than a floor of a building, the long-term establishment of the parking space can influence the lighting of the floor of the building and the daily activities of people.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an automatic folding three-dimensional parking apparatus, through which two vehicles can be parked in one parking space, and the apparatus can be folded automatically, so that the apparatus can be folded without affecting normal traveling of people when not in use, and can be used in public areas, and the apparatus has the characteristics of convenient use, reasonable structural design, and good development prospect.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an automatic folding three-dimensional parking device is arranged on a base and comprises parking frames, a first parking plate, a second parking plate and a transmission mechanism, wherein the first parking plate and the second parking plate are arranged between the two symmetrically arranged parking frames, and the first parking plate is arranged below the second parking plate; the base is provided with a base groove, the transmission mechanism comprises a parking frame transmission assembly, a first-layer parking plate transmission assembly and a second-layer parking plate transmission assembly, the parking frame transmission assembly is arranged in the base groove, and the first-layer parking plate transmission assembly is arranged on the lower side of the first-layer parking plate; the parking frame consists of an upright post and a cross rod, wherein the cross rod is symmetrically arranged at two ends of the upright post, and the two-layer parking plate transmission assembly is arranged on the upright post and drives the two-layer parking plate to move up and down; and the two layers of parking plates are foldable mechanism plates.
Preferably, the parking frame transmission assembly is arranged on the lower side of the parking plate transmission assembly and comprises a first slide rail, a first transmission screw rod and a first servo motor, the first slide rail is symmetrically arranged in the base groove and is matched with a first slide block arranged on the bottom side cross rod for use, the first transmission screw rod is symmetrically arranged between the two first slide rails, one end of the first transmission screw rod is connected with a first rotating bearing arranged in the base groove, the other end of the first transmission screw rod is connected with the first servo motor, the first transmission screw rod is matched with a connecting nut arranged on the bottom side cross rod for use, and the first transmission screw rod rotates to drive the parking frame to move leftwards and rightwards.
Preferably, one side of the first transmission screw rod, which is close to the first rotating bearing, is provided with a hollow screw section, the length of the hollow screw section is the same as the width of the connecting nut, and the right side of the hollow screw section is in the direction of the screw head of the first transmission screw rod.
Preferably, one deck parking board transmission assembly include second slide rail, rack, second servo motor and drive gear, the second slide rail symmetry sets up the upside at first slide rail, and uses with the cooperation of the second slider that sets up on one deck parking board downside, the both ends of rack are passed through fixing bolt and are connected with the even board that sets up at the basal trough, second servo motor sets up on the downside of one deck parking board, drive gear sets up the power take off at second servo motor, and with rack intermeshing, drive one deck parking board along the rack motion through second servo motor.
Preferably, the two-layer parking plate comprises two folding plates and a cross beam which are matched with each other for use, the two folding plates are connected through hinge plates, the connecting parts of the two folding plates are in staggered clamping, and the cross beam is symmetrically arranged on the outer sides of the folding plates and connected with the folding plates through the hinge plates.
Preferably, the two-layer parking plate transmission assembly comprises a connecting block, a second transmission screw rod, a second rotating bearing and a second servo motor, the connecting block is welded at the end of the cross beam and provided with a screw hole, the screw hole is matched with the second transmission screw rod for use, the second transmission screw rod penetrates through the connecting block and is arranged in parallel with the stand column, the upper end of the second transmission screw rod is connected with the second rotating bearing arranged on the upper side cross rod, the lower end of the second transmission screw rod penetrates through a through hole arranged on the lower side cross rod and is connected with the second servo motor, and the second servo motor drives the two-layer parking plate to move up and down.
Preferably, the second transmission screw rod is further sleeved with a protection mechanism, the protection mechanism comprises a sleeve, a hinge shaft, a connecting rod and a connecting plate, the sleeve is connected with the second transmission screw rod, the connecting rod is mounted on the sleeve through the hinge shaft, and the tail end of the connecting rod is provided with a movable ball; the connecting plate is provided with an arc-shaped sliding groove, the other end of the arc-shaped sliding groove is sealed, and the movable ball is movably clamped in the arc-shaped sliding groove.
Preferably, a chain is arranged between the left parking frame and the right parking frame.
The invention has the beneficial effects that: the invention discloses an automatic folding three-dimensional parking device, which is improved in that:
(1) the invention designs an automatic folding three-dimensional parking device, which comprises a parking frame, a first-layer parking plate, a second-layer parking plate and a transmission mechanism, wherein when the automatic folding three-dimensional parking device is used, double-layer parking can be realized on a single parking space, and the utilization rate of the space is improved; meanwhile, the parking frame transmission assembly and the parking plate transmission assembly at one layer can realize the avoidance-free parking of vehicles at the upper and lower layers of parking spaces, and the parking frame has the advantages of convenient use, low cost and multiple sets of design and use;
(2) and the automatic folding three-dimensional parking device can be folded when not in use, so that the occupied area of the device in idle time is reduced, the light transmission of the ground and a floor of a building is ensured, and the automatic folding three-dimensional parking device has the advantages of simplicity in operation, safety and high efficiency.
Drawings
Fig. 1 is a schematic structural diagram I of the automatic folding three-dimensional parking apparatus according to the present invention.
Fig. 2 is a schematic structural diagram II of the automatic folding multi-story parking apparatus of the present invention.
Fig. 3 is a schematic structural view of the parking frame transmission assembly of the present invention.
Fig. 4 is a sectional view of a front view of the auto-folding sky parking apparatus of the present invention.
Fig. 5 is a schematic structural view of the parking frame of the present invention.
Fig. 6 is a front view of the two-layer parking plate of the present invention when it is extended.
Fig. 7 is a front view of the folded two-layer parking plate of the present invention.
Fig. 8 is a side view of the auto-folding multi-story parking apparatus of the present invention.
Fig. 9 is a schematic structural view of a front view angle of the two-layer parking plate transmission assembly of the present invention.
Fig. 10 is a schematic structural view of the protection mechanism of the present invention.
Fig. 11 is a beam force diagram of embodiment 1 of the present invention.
Fig. 12 is a view showing the construction and moment of the cross beam according to embodiment 1 of the present invention.
FIG. 13 is a sectional view of a hot-rolled H-section steel according to example 1 of the present invention.
Wherein: 1. the parking device comprises a base, 11 a base groove, 2 a stand column, 3 a cross bar, 31 a first sliding block, 32 a through hole, 4 a parking frame transmission assembly, 41 a first sliding rail, 42 a first transmission screw rod, 421 a hollow wire section, 43 a first rotating bearing, 44 a connecting nut, 45 a first servo motor, 5 a chain, 6 a second parking plate, 61 a folding plate, 62 a cross beam, 63 a hinge plate, 64 a connecting block, 65 a second transmission screw rod, 66 a second rotating bearing, 67 a second servo motor, 68 a protection mechanism, 681 a sleeve, 682 a hinged shaft, 683 a connecting rod, 684 a movable ball, 685 an arc-shaped sliding groove, 686 a connecting plate, 7 a parking plate, 71 a second sliding rail, 72 a rack, 73 a second sliding block, 74 a second servo motor, 75 a driving gear, 76 and a connecting plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Referring to fig. 1 to 13, an automatic folding three-dimensional parking device is arranged on a base 1, the base 1 is a foundation of the automatic folding three-dimensional parking device which is poured in advance, the automatic folding three-dimensional parking device comprises parking frames, a first parking plate 7, a second parking plate 6 and a transmission mechanism, the first parking plate 7 and the second parking plate 6 are arranged between the two symmetrically arranged parking frames to form a folding mechanism for parking, and the first parking plate 7 is arranged below the second parking plate 6; a base groove 11 is reserved on the base 1, the transmission mechanism comprises a parking frame transmission assembly 4, a first-layer parking plate transmission assembly and a second-layer parking plate transmission assembly, the parking frame transmission assembly 4 is arranged in the base groove 11, the parking frame is driven to move left and right through the parking frame transmission assembly 4, the first-layer parking plate transmission assembly is arranged on the lower side of the first-layer parking plate 7, and the first-layer parking plate transmission assembly drives the first-layer parking plate 7 to move left and right through the first-layer parking plate transmission assembly; the parking frame is formed by welding an upright post 2 and a cross rod 3, wherein the cross rod 3 is symmetrically arranged at two ends of the upright post, a two-layer parking plate transmission assembly is arranged on the upright post, and the two-layer parking plate 6 is driven to move up and down through the two-layer parking plate transmission assembly, so that parking on the two-layer parking plate 6 is facilitated; and the two-layer parking plate 6 is a foldable mechanism plate.
Preferably, the dimension of the parking frame is 5300 mm × 2100 mm × 3500 mm, the upright post 2 is an industrial steel profile, and the steel plates of the two-layer parking plate 6 and the one-layer parking plate 7 are both made of pattern steel plates in order to increase the friction force.
Preferably, the parking frame transmission assembly 4 is arranged at the lower side of the parking plate transmission assembly of one deck and comprises a first slide rail 41, a first transmission screw rod 42 and a first servo motor 45, the first slide rail 41 is connected with a connecting seat which is pre-cast in the base groove 11, the first slide rail 41 is symmetrically arranged in the base groove 11, and the first slide rail 41 is matched with the first slide block 31 arranged on the bottom side cross rod 3 for use, that is, the first slide rail 41 penetrates through the first slide block 31, the first slide rail 41 is used for guiding and bearing the first slide block 31, the first transmission screw rod 42 is arranged between the two first slide rails 41 symmetrically, one end of the first transmission screw rod 42 is connected with a first rotation bearing 43 arranged in the base groove 11, the other end of the first transmission screw rod is connected with the first servo motor 45, the first transmission screw rod 42 is driven to rotate by the first servo motor 45, and the first transmission screw rod 42 is matched with a connection nut 44 arranged on the bottom side cross rod 3 for use, when the parking frame is used, the first servo motor 45 drives the first transmission screw rod 42 to rotate, the first transmission screw rod 42 drives the parking frame to integrally move left and right through the meshing force between the screw threads, and the left and right positions of the parking frame are adjusted; the staggered parking is convenient and the position of the whole parking device is adjusted, so that vehicles can be parked in the upper and lower layers of parking spaces without avoiding;
in order to fold the parking frame integrally, reduce the occupied area of the device when in idle state and ensure the light transmission of the ground and a floor of a building, a blank wire section 421 is arranged on one side of the first transmission screw rod 42 close to the first rotating bearing 43, the length of the blank wire section 421 is the same as the width of the connecting nut 44, and the right side of the blank wire section 421 is in the wire head direction of the first transmission screw rod 42, namely when in use, when the first servo motor 45 rotates forwards to drive the parking frame to move integrally rightwards, because the parking frame on the right side moves rightwards first, under the pulling action of the chain 5, the parking frame on the left side moves rightwards, and because the right side of the blank wire section 421 is in the wire head direction of the first transmission screw rod 42, namely in the rotating process of the first transmission screw rod 42, the wire on the first transmission screw rod 42 is connected with the connecting nut 44 on the parking frame on the left side, thereby driving the parking frame on the left side to move right, the position of the integral parking frame is adjusted, so that the parking is convenient; meanwhile, after the parking is finished and the vehicle is driven away, when the parking frame needs to be folded, the first servo motor 45 is opened and is reversely rotated to realize the folding of the parking frame, so that the occupied area of the device in idle time is reduced, and the light transmission of the ground and a floor of a building is ensured.
Preferably, the one-layer parking plate transmission assembly includes a second slide rail 71, a rack 72, a second servo motor 74 and a driving gear 75, two ends of the second slide rail 71 are connected with a connecting seat which is poured in the base groove 11 in advance, so that the second slide rail 71 is symmetrically arranged in the base groove 11 on the upper side of the first slide rail 41, and the second slide rail 71 is matched with a second slide block 73 arranged on the lower side surface of the one-layer parking plate 7 for use, that is, the second slide rail 71 passes through the second slide block 73, so as to guide the movement of the second slide block 73 and bear the parking weight and the one-layer parking plate 7; two ends of the rack 72 are connected with a connecting plate 76 which is poured in the base groove 11 in advance through fixing bolts, the second servo motor 74 is arranged on the lower side surface of the parking plate 7 on one layer, the driving gear 75 is arranged at the power output end of the second servo motor 74 and is meshed with the rack 72, namely, when the parking device is used, a motor switch is turned on to enable the second servo motor 74 to rotate, and the left and right movement of the parking plate 7 on one layer is achieved through the meshing force between the driving gear 75 and the rack 72, so that when the parking device is used in a lower parking space, an upper vehicle can be taken down without moving a lower vehicle, and the influence on the lower vehicle is avoided.
Preferably, the two-layer parking plate 6 comprises two folding plates 61 and a cross beam 62 which are matched with each other for use, the two folding plates 61 are connected through a hinge plate 63, the connecting parts of the two folding plates 61 are in staggered clamping, the pressure of the vertical hinge plate 63 in the vehicle is reduced by means of the extrusion force between the two folding plates 61, the cross beam 62 is symmetrically arranged on the outer side of the folding plate 61 and connected with the folding plate 61 through the hinge plate 63, the folding of the two folding plates 61 in the movement process of the parking frame is facilitated, and in order to ensure the strength, the cross beam 62 is made of hot rolled I-steel;
the second-layer parking plate transmission assembly comprises a connecting block 64, a second transmission screw rod 65, a second rotating bearing 66 and a second servo motor 67, the connecting block 64 is welded at the end part of the cross beam 62, a screw hole is formed in the connecting block 64 and is matched with the second transmission screw rod 65 for use, namely, the second transmission screw rod 65 penetrates through the screw hole, so that the second transmission screw rod 65 penetrates through the connecting block 64 and is arranged in parallel with the upright post 2, the upper end of the second transmission screw rod 65 is connected with the second rotating bearing 66 arranged on the upper cross rod 3, when the second-layer parking plate transmission assembly is used, the second transmission screw rod 65 rotates to drive the second-layer parking plate 6 to integrally move up and down, so that the parking of the second-layer parking plate is realized, the parking is convenient, the lower end of the second transmission screw rod 65 penetrates through a through hole 32 formed in the lower cross rod 3 and is connected with the second servo motor 67, and the second transmission, the second transmission screw 65 rotates to drive the second layer parking plate 6 to integrally move up and down, so that the vehicle parking of the second layer parking plate is realized.
Preferably, in order to further support a vehicle parked on the second-layer parking plate 6 and relieve the pressure of the hinge plate 63, a protecting mechanism 68 is further sleeved on the second driving screw 65, the protecting mechanism 68 comprises a sleeve 681, a hinge 682, a connecting rod 683 and a connecting plate 686, the sleeve 681 is connected with the second driving screw 65, the connecting rod 683 is mounted on the sleeve 681 through the hinge 682, and a movable ball 684 is arranged at the tail end of the connecting rod 683; the connecting plate 686 is provided with an arc-shaped chute 685, the other end of the arc-shaped chute 685 is sealed, and the movable ball 684 is movably clamped in the arc-shaped chute 685, namely, when the parking device is used, the whole protection mechanism 68 and the two layers of parking plates 6 are arranged at a certain distance and move up and down along the second transmission screw rod 65 to support the lower sides of the folding plates 61, so that the folding plates 61 are always kept horizontal (when the two folding plates 61 are horizontal, the movable ball 684 slides to the sealed end of the arc-shaped chute 685 to support the folding plates 61), so that the pressure of the hinge plates 63 is reduced, and the two layers of parking plates 6 are protected.
Example 1: the design process of the automatic folding three-dimensional parking device comprises the following steps:
s1, scheme design of mechanical structure
The model parameters of the common vehicles on the market are shown in table 1:
table 1: common automobile parameters in the market
Vehicle name Model number Vehicle length (mm) Vehicle width (mm) Vehicle height (mm) Weight (kg)
Mitsubishi Debonair 3500 4975 1815 1440 1710
Mazda 323 4270 1695 1375 1115
Audi (Audi) A4L 4818 1843 1432 1535
BMW horse 525Li 5087 1868 1500 1538
Benz Chi C200 4784 1810 1457 1423
Honda (a field of medicine) 3500 4950 1810 1405 1580
Analyzing the above table, the frame size requirement of the bmw 525li is met, the margin is required to meet the safety, the size of the bmw 525li is 5087 mm × 1868 mm × 1500 mm, the vehicle carrying plate can be a pattern steel plate, the friction force is increased, the lower end surface of the vehicle carrying plate is reinforced by an i-shaped steel column (the cross beam 62), and the strength and the rigidity of the vehicle carrying plate are improved; the four upright posts 2 can be made of industrial rigid sections; the size of the integral frame is 5300 mm, 2100 mm and 3500 mm;
s2. folding module scheme design
The folding function is the core function of the device, the frame needs to be folded in order to realize the folding of the device, the folding of the structure is realized by a common hinge in industry and reality, and the folding of the device can be realized by the installation of the hinge at a key part;
the specific principle is as follows: the rightmost parking frame is used as a driving part of the device in the processes of storing and taking the vehicle and folding, a guide rail mechanism for realizing the movement of the frame is arranged at the lower end of the upright post 2, a main power source of the device is arranged right below the device, and a set of stepping motor ball screw is connected with the sliding blocks at two sides through a cross rod to realize the movement of the rightmost parking frame; when the device moves inwards, the device can keep certain stability under the action of the self weight, the parking frame on the left side stops moving when moving to the farthest end of the guide rail, and the parking frame on the outermost side continues moving under the driving of the motor, so that the left parking frame and the right parking frame are connected through the chain 5; the folding plate 6 of the parking plate 6 on the second layer rotates under the action of the pressure of the parking frame, and finally, the motor stops working when the parking frame moves inwards to a certain position, so that the device is folded;
the folding of realizing the device still needs to realize the folding of two layers of car carrying plates 6, two layers of car carrying plates can be designed into two small folding plates 61, two folding plates 61 are connected by hinges in the middle, the outer sides of the folding plates 61 are also installed on the cross beam 62 by hinges, the cross beam 62 is used for lifting the power of the two layers of car carrying plates and fixing the power on the screw nuts of four vertical 2 sides, the ball screws are arranged in the middle of four vertical columns 2 and provide power for the two layers of car carrying plates of the device under the driving of the motor, and when the device is folded, the two layers of car carrying plates are folded under the extrusion of the vertical columns and the pulling of the steel cables of the folded motor.
S3, avoiding-free access design
The left and right positions of the parking plate 7 on the one layer are adjusted by designing the parking plate transmission assembly on the one layer, when the parking plate is used in a lower parking space, an upper vehicle can be taken down without moving a lower vehicle, and the influence on the lower vehicle is avoided.
S4, determining the overall scheme
The functional characteristics of the comprehensive garage, the difficulty of the whole technical route processing, the production cost and other comprehensive factors determine the scheme as follows:
(1) the garage is designed into a frame structure and is used for realizing getting on and off of the two-layer parking space
(2) Realizing of folding function, connecting two-layer vehicle carrying plate and side cross beam by using hinge, and providing power for movement of frame by using lead screw guide rail as power
(3) The lower layer parking space is also fixed on the guide rail when the avoidance-free double-layer vehicle is stored and taken, and the frame and the one layer of vehicle carrying plate respectively use two sets of power devices without interfering movement.
S5, checking key parts
(1) Checking of gears
The checking of the strength of the gear in the mechanical structure generally refers to the checking of the contact fatigue strength of the gear tooth surface and the bending fatigue strength of the tooth root, a safety coefficient method is adopted, and the minimum safety coefficient reference value is shown in the table
Table: minimum safety factor
Figure BDA0002849035970000111
SFminMinimum safety factor for flexural fatigue strength, SHmin-contact fatigue strength minimum safety factor;
here I check the tooth surface contact fatigue strength of the gear
Looking up the mechanical design manual can know [ sigma ]H]700MPa, S is shown in Table 1H1, load factor K1, according to the gear parameters of chapter iii
Figure BDA0002849035970000112
Therefore, the gear transmission mechanism meets the requirements; (2) lifting screw nut checking
The failure of the screw drive is mainly the wear of the screw thread, therefore, the diameter of the screw and the height of the nut are usually calculated according to the wear resistance condition, the main parameters of the screw are determined according to the standard, and then other failures which may occur are checked one by one.
(1) Calculation of abrasion resistance
The factors influencing the wear are many, and no perfect calculation method exists at present, and the pressure P contacted by the threads is generally limited. The checking formula is as follows:
Figure BDA0002849035970000121
in the formula FaIs the axial force (N), Z is the number of turns of the threads participating in the contact, d2Is the pitch diameter of the thread, h is the working height (mm) of the thread, p]For allowable pressure see table 3
Table 3: allowable pressure of screw pair
Figure BDA0002849035970000122
It can be known that
Figure BDA0002849035970000123
Figure BDA0002849035970000124
Figure BDA0002849035970000125
Therefore, the spiral transmission mechanism meets the design requirement;
(3) checking of two-layer vehicle carrying board
The two ends of the cross beam are connected with a screw rod through nuts, and the middle of the cross beam is connected with a two-layer vehicle carrying plate through three hinges; therefore, the force diagram of the cross beam can be drawn according to the components for connection and fixation and the stress condition arranged on the cross beam as shown in FIG. 11;
wherein F is the supporting force of the screws at the two ends of the cross beam to the nuts and the supporting force to the cross beam, and G is the component force of the sum of the gravity of the two layers of the car carrying plates and the car. Hinges are respectively arranged at the three positions A, B and C, and acting forces at the three positions A, B and C are G for the convenience of calculation and the mass of the automobile and the automobile carrying plate is regarded as uniform distribution. The total weight of the automobile and the two-layer automobile carrying board isGOn the upper part25000N, the total length of the beam is
L=5300mm
Wherein
Figure BDA0002849035970000131
Calculating shear bending moment
Equation of balance according to beam
∑M10 so F2L-GC(L1+L2+L2)-GB(L1+L2)-GAL1=0
F2=6250N
Same principle F1=6250N
So that the shear force and bending moment equation and shear force diagram of the cross beam and a bending moment diagram can be obtained
Shear equation
Figure BDA0002849035970000132
Bending moment equation:
Figure BDA0002849035970000133
so that the shear force diagram and the bending moment diagram of the cross beam can be drawn as shown in figure 12
Therefore, the maximum shearing force F of the cross beam in the section 1-A can be known from the figuresmax6250N, the maximum bending moment M borne by the cross beam at the position Bmax=9687Nm;
The cross beam is made of I-shaped steel made of Q235 common carbon structural steel, has good plasticity and welding performance, good forming capability and good strength, is suitable for engineering structures such as bridges and buildings, and has good practical performance, relatively low price and high cost performance. The parameters of Q235 steel obtained by looking up mechanical design handbook are shown in the following table;
table 5: q235 performance parameter
Figure BDA0002849035970000141
The dimensions of the selected hot-rolled H-shaped steel are shown in FIG. 13:
table 5: crossbeam hot-rolled H-steel size specification
Figure BDA0002849035970000142
Beam strength check calculation
1. Bend normal stress intensity check
The bending moment applied to the part B is the largest, so that the part B is checked, and the following results can be obtained according to Material mechanics:
Figure BDA0002849035970000143
Figure BDA0002849035970000144
the bending positive stress here meets the strength requirements.
2. Bend shear stress intensity check
According to the shear diagram, the shearing force of the beam at the section 1-A is the largest, and according to the mechanical design foundation, the [ tau ] is 105MPa, and the shear force is obtained by checking and calculating the following steps:
Figure BDA0002849035970000145
Figure BDA0002849035970000146
based on the data in the table above, the calculation can be made
τmax=2.89MPa≤[τ]=105MPa
The bending shear stress of the cross beam 62 meets the strength requirements;
the foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an automatic folding sky parking device which characterized in that: the automatic folding three-dimensional parking device is arranged on the base (1) and comprises parking frames, a first-layer parking plate (7), a second-layer parking plate (6) and a transmission mechanism, wherein the first-layer parking plate (7) and the second-layer parking plate (6) are arranged between the two symmetrically arranged parking frames, and the first-layer parking plate (7) is arranged below the second-layer parking plate (6); the parking frame is characterized in that a base groove (11) is formed in the base (1), the transmission mechanism comprises a parking frame transmission assembly (4), a first-layer parking plate transmission assembly and a second-layer parking plate transmission assembly, the parking frame transmission assembly (4) is arranged in the base groove (11), and the first-layer parking plate transmission assembly is arranged on the lower side of a first-layer parking plate (7); the parking frame consists of an upright post (2) and a cross rod (3), wherein the cross rod is symmetrically arranged at two ends of the upright post, and the two-layer parking plate transmission assembly is arranged on the upright post and drives the two-layer parking plate (6) to move up and down; and the two layers of parking plates (6) are foldable mechanism plates.
2. The automatic folding multistory parking facility as claimed in claim 1, wherein: the parking frame transmission assembly (4) is arranged on the lower side of the parking plate transmission assembly and comprises first sliding rails (41), first transmission screw rods (42) and a first servo motor (45), wherein the first sliding rails (41) are symmetrically arranged in a base groove (11) and are matched with first sliding blocks (31) arranged on a bottom side transverse rod (3) for use, the first transmission screw rods (42) are symmetrically arranged between the two first sliding rails (41), one ends of the first transmission screw rods (42) are connected with first rotating bearings (43) arranged in the base groove (11), the other ends of the first transmission screw rods are connected with the first servo motor (45), the first transmission screw rods (42) are matched with connecting nuts (44) arranged on the bottom side transverse rod (3) for use, and the parking frame is driven to move leftwards and rightwards through rotation of the first transmission screw rods.
3. The automatic folding multistory parking facility as claimed in claim 2, wherein: one side of the first transmission screw rod (42) close to the first rotating bearing (43) is provided with a hollow wire section (421), the length of the hollow wire section (421) is the same as the width of the connecting nut (44), and the right side of the hollow wire section (421) is in the direction of the wire head of the first transmission screw rod (42).
4. The automatic folding multistory parking facility as claimed in claim 1, wherein: the one-deck parking plate transmission assembly comprises a second sliding rail (71), a rack (72), a second servo motor (74) and a driving gear (75), wherein the second sliding rail (71) is symmetrically arranged on the upper side of the first sliding rail (41), and is matched with a second sliding block (73) arranged on the lower side surface of the one-deck parking plate (7) for use, two ends of the rack (72) are connected with a connecting plate (76) arranged in a base groove (11) through fixing bolts, the second servo motor (74) is arranged on the lower side surface of the one-deck parking plate (7), the driving gear (75) is arranged at a power output end of the second servo motor (74), and is meshed with the rack (72), and the second servo motor (74) drives the one-deck parking plate (7) to move along the rack (72).
5. The automatic folding multistory parking facility as claimed in claim 1, wherein: the double-layer parking plate (6) comprises two folding plates (61) and a cross beam (62) which are matched with each other, the two folding plates (61) are connected through hinge plates (63), connecting parts of the two folding plates (61) are clamped in a staggered mode, and the cross beam (62) is symmetrically arranged on the outer sides of the folding plates (61) and connected with the folding plates (61) through the hinge plates (63).
6. The automatic folding multistory parking facility of claim 5 wherein: the two-layer parking plate transmission assembly comprises a connecting block (64), a second transmission screw rod (65), a second rotating bearing (66) and a second servo motor (67), the connecting block (64) is welded at the end part of the cross beam (62), a screw hole is formed in the connecting block (64), the screw hole is matched with the second transmission screw rod (65) for use, the second transmission screw rod (65) penetrates through the connecting block (64) and is arranged in parallel with the stand column (2), the upper end of the second transmission screw rod (65) is connected with the second rotating bearing (66) arranged on the upper side cross rod (3), the lower end of the second transmission screw rod penetrates through a through hole (32) formed in the lower side cross rod (3) and is connected with the second servo motor (67), and the second parking plate (6) is driven to move up and down through the second servo motor (67).
7. The automatic folding multistory parking facility of claim 6 wherein: the protective mechanism (68) is further sleeved on the second transmission screw rod (65), the protective mechanism (68) comprises a sleeve (681), a hinge shaft (682), a connecting rod (683) and a connecting plate (686), the sleeve (681) is connected with the second transmission screw rod (65), the connecting rod (683) is installed on the sleeve (681) through the hinge shaft (682), and a movable ball (684) is arranged at the tail end of the connecting rod (683); the connecting plate (686) is provided with an arc-shaped sliding groove (685), the other end of the arc-shaped sliding groove (685) is sealed, and the movable ball (684) is movably clamped in the arc-shaped sliding groove (685).
8. The automatic folding sky parking device as claimed in any one of claims 1 to 7, wherein: and a chain (5) is arranged between the left parking frame and the right parking frame.
CN202011521316.7A 2020-12-21 2020-12-21 Automatic folding three-dimensional parking device Pending CN112681839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011521316.7A CN112681839A (en) 2020-12-21 2020-12-21 Automatic folding three-dimensional parking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011521316.7A CN112681839A (en) 2020-12-21 2020-12-21 Automatic folding three-dimensional parking device

Publications (1)

Publication Number Publication Date
CN112681839A true CN112681839A (en) 2021-04-20

Family

ID=75450027

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011521316.7A Pending CN112681839A (en) 2020-12-21 2020-12-21 Automatic folding three-dimensional parking device

Country Status (1)

Country Link
CN (1) CN112681839A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605755A (en) * 2021-09-03 2021-11-05 温州鑫锐翔科技有限公司 Dual-purpose double-layer parking space

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004232453A (en) * 2003-01-06 2004-08-19 Tokushi Yoshiyama Parking equipment
CN202578065U (en) * 2012-04-25 2012-12-05 俞天明 Foldable double-layer simple three-dimensional parking garage for residential quarter
CN205894784U (en) * 2016-08-09 2017-01-18 广州建德机电有限公司 Three -dimensional automatic garage
WO2017193963A1 (en) * 2016-05-11 2017-11-16 廖泽邦 Parking apparatus, parking system, and parking method
CN107675917A (en) * 2017-11-16 2018-02-09 广东工业大学 Automatic lifting slope double-deck parking device
CN108952257A (en) * 2018-10-12 2018-12-07 南京邮电大学 A kind of bilayer side coil parking space
CN109881936A (en) * 2019-03-18 2019-06-14 浙江农林大学暨阳学院 A kind of lawn parking space

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004232453A (en) * 2003-01-06 2004-08-19 Tokushi Yoshiyama Parking equipment
CN202578065U (en) * 2012-04-25 2012-12-05 俞天明 Foldable double-layer simple three-dimensional parking garage for residential quarter
WO2017193963A1 (en) * 2016-05-11 2017-11-16 廖泽邦 Parking apparatus, parking system, and parking method
CN205894784U (en) * 2016-08-09 2017-01-18 广州建德机电有限公司 Three -dimensional automatic garage
CN107675917A (en) * 2017-11-16 2018-02-09 广东工业大学 Automatic lifting slope double-deck parking device
CN108952257A (en) * 2018-10-12 2018-12-07 南京邮电大学 A kind of bilayer side coil parking space
CN109881936A (en) * 2019-03-18 2019-06-14 浙江农林大学暨阳学院 A kind of lawn parking space

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605755A (en) * 2021-09-03 2021-11-05 温州鑫锐翔科技有限公司 Dual-purpose double-layer parking space

Similar Documents

Publication Publication Date Title
CN102296850A (en) Hydraulic driven stereo garage with gear pair magnifying mechanism
CN203977927U (en) A kind of small-sized multistory parking frame installation
CN107816238A (en) Broach elevating and telescopic type intelligent carrier
CN112681839A (en) Automatic folding three-dimensional parking device
CN101761257A (en) Bidirectional fork-comb type car bearing platform
CN101541661A (en) Column lifting platform for motor vehicles
CN108729710B (en) Double-layer avoidance-free three-dimensional parking equipment
CN108824882B (en) Slow descending device of stereo garage and using method thereof
CN206016376U (en) Vertical-lift parking systems outside a kind of storehouse combined with spiral bevel gear by screw rod
CN2571930Y (en) Rotary double-layer garage
CN211923711U (en) Self-lifting vehicle ladder
CN210086932U (en) Lifting and rotating stereo parking garage
CN2570388Y (en) Fully automatic three-dimensional parking frame
CN203160779U (en) Multilayer three-dimensional parking garage adopting improved structure
CN210947933U (en) Double-layer three-dimensional parking garage
CN206091460U (en) Vertical -lift and unit list screw rod horizontal migration formula stereo garage outside pure screw rod storehouse
CN102995937A (en) Structure-improved multilayer stereo garage
CN109537951B (en) Hybrid electric power energy stereo garage
CN1091205C (en) Positive and negative direction arranged lifting/lowering horizontal moving type parking equipment for vehicle
CN206144225U (en) Directly promote range upon range of formula stereo garage outside pure screw rod storehouse
CN115929091A (en) Double-slider and double-rocker mechanism
CN2365337Y (en) Linking rod type double layer stereoscopic parking garage
CN110847655B (en) Private parking space multiplication device based on link mechanism
CN213869147U (en) Double-layer garage
CN203308141U (en) Rolling type stereo garage

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210420

RJ01 Rejection of invention patent application after publication