CN112282461B - Sideslip platform truck with telescopic automatic leveling device and gyration function - Google Patents
Sideslip platform truck with telescopic automatic leveling device and gyration function Download PDFInfo
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- CN112282461B CN112282461B CN202011121036.7A CN202011121036A CN112282461B CN 112282461 B CN112282461 B CN 112282461B CN 202011121036 A CN202011121036 A CN 202011121036A CN 112282461 B CN112282461 B CN 112282461B
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- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 30
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- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/18—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions
- E04H6/28—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of turntables or rotary rings for horizontal transport
- E04H6/282—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in vertical direction only or independently in vertical and horizontal directions characterised by use of turntables or rotary rings for horizontal transport turntables, rotary elevators or the like on which the cars are not permanently parked
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H6/00—Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
- E04H6/08—Garages for many vehicles
- E04H6/12—Garages for many vehicles with mechanical means for shifting or lifting vehicles
- E04H6/30—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only
- E04H6/40—Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only characterised by use of turntables or rotary rings
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a transverse moving trolley with a telescopic automatic leveling device and a rotation function, which comprises a chassis, a traveling system and a carrier track, wherein the traveling system and the carrier track are arranged on the chassis; a lifting device and a revolving device are arranged between the lifting revolving frame and the chassis, the lifting revolving frame is driven to do lifting and revolving motion relative to the chassis, and two ends of the lifting revolving frame are provided with telescopic leveling mechanisms; the leveling positioning device of each parking space is omitted, when vehicles are parked and taken out, the lifting revolving rack is separated from the chassis after leveling, the load of the lifting revolving rack acts on the steel structure frame of the mechanical parking equipment, and the leveling precision is high; in the process of taking the vehicle, the vehicle rotates and turns around on the transverse trolley, so that the vehicle can enter and exit from the garage forwards, the floor area can be reduced, the time for taking and storing the vehicle is saved, and the operation efficiency of the garage is improved.
Description
Technical Field
The invention relates to a transverse moving trolley, belongs to the technical field of mechanical three-dimensional parking equipment, and particularly relates to multi-layer (high) vertical lifting mechanical parking equipment.
Background
The vertical lifting large-car type tower garage is mechanical parking equipment which can move vehicles on a car by using a transverse trolley plane and realize parking and taking, belongs to a common machine type in storage type parking equipment, and has the characteristics of high intelligence, high-precision control, high-speed operation, large-scale compact design, various forms and the like. The equipment can be combined in various systems according to objective conditions such as buildings, environments and the like, so that the requirement of customers is met to the maximum extent, and the equipment is widely suitable for different areas of cities such as airports, stations, busy commercial areas, stadiums, office buildings and the like, and is one of the most ideal types in mechanical parking garages.
The main components of the equipment are as follows: the intelligent elevator comprises a steel framework, a lifting driving system, a lifting car, an access device, a transverse trolley (or called carrying trolley, a roadway carrier and a middle sports car), an electrical control system and the like, wherein the transverse trolley is provided with an intelligent carrier.
The operation principle is as follows: accomplish the removal of same parking layer face in the garage tunnel through the sideslip platform truck, accomplish the oscilaltion action of different parking layer face vehicles by the lift car, the top of steel construction sets up lift actuating system, lift actuating system drive promotes the chain, promote the hoisting point seat on the chain connection lift car, the vertical track that the drive lift car set up on along the steel construction moves from top to bottom, through cooperation between them, realize the process of multilayer vertical lift type garage access vehicle, carry out the exchange of vehicle by intelligent carrier on the sideslip platform truck and the parking stall.
Parking operation: the driver drives the car to the garage and the garage door opens. Under the prompt of the automatic parking guidance indication screen in the garage, a driver drives a vehicle into the entrance, and at the moment, the detection device measures the length, width and height of the vehicle to determine whether the vehicle is suitable for the garage. Then the driver extinguishes, pulls the brake, gets off the vehicle, locks the vehicle door and exits the garage; the personnel detection device can find whether the parking personnel still exist in the garage, when the safety detection fails, the system can send out a warning ring, and the central control room can inform a manager and a driver of adjusting the vehicle or cleaning the personnel through an interphone or a loudspeaker; when the safety detection is passed, the garage door is closed. The lifting car drives the transverse moving trolley to move to an entrance layer, the transverse moving trolley moves to a position corresponding to the entrance, the carrier carries the vehicle at the entrance to the transverse moving trolley of the lifting car, the lifting car carries the vehicle to lift to an appointed parking layer, and finally the intelligent carrier translates the vehicle to an appointed vacant parking space, so that the equipment finishes parking.
Vehicle taking operation: the driver or garage manager inserts a parking card on the control panel, or inputs an instruction on the operation panel. The lifting car is lifted to an appointed parking layer, the transverse moving trolley is moved to a position corresponding to a parking space, the vehicle in the appointed parking space is conveyed to the transverse moving trolley of the lifting car by the conveyor, then the lifting car carries the vehicle to be lifted to an entrance layer, the transverse moving trolley is moved to a position corresponding to the entrance, the vehicle is conveyed to an exit by the conveyor, then the garage door is automatically opened, and a driver drives the vehicle out to finish vehicle taking.
It can be seen that, in the operation process of the automatic mechanical parking equipment, the traversing trolley undertakes important tasks, the carrier and the vehicle on the carrier need to be transported to a specified parking space, when the traversing trolley is butted with a parking space guide rail, the walking track of the carrier and the parking space guide rail are in the same plane, so that the stable operation of the carrier can be ensured.
In order to solve the problems, the applicant of the invention patent application number 2019108250474 on 2019, 9, 3 and named as a transverse moving trolley with a swing arm type automatic leveling device for car type mechanical parking equipment comprises a chassis, a traveling system arranged on the chassis, a carrier guide rail, a carrier traveling rail and a control system, wherein the traveling system drives the transverse moving trolley to move back and forth along a guide rail on a lifting car, the carrier can move left and right on the chassis along the guide rail and the traveling rail, and a set of swing arm type leveling mechanisms capable of operating independently is respectively arranged at the left end and the right end of the transverse moving trolley. The flat-layer positioning device of each parking space is omitted, so that the equipment has the advantages of simpler structure, low production cost, high installation efficiency and convenient debugging, and the walking track of the carrier and the guide rail of the parking space can automatically perform flat-layer action within a certain deviation range. The left end and the right end of the transverse moving trolley are respectively provided with a set of swing arm type leveling mechanism capable of independently operating, the left end and the right end of the transverse moving trolley can be subjected to leveling positioning, only the swing arm type leveling mechanism at the parking space side for parking a vehicle is required to work under normal conditions, when a target parking space is positioned on the left side of a roadway, only the swing arm type leveling mechanism at the left end of the transverse moving trolley is required to act, and when the target parking space is positioned on the right side of the roadway, only the swing arm type leveling mechanism at the right end of the transverse moving trolley is required to act. However, there is still a need for improvement, such as the leveling arm swings under the drive of the swing arm driving motor and abuts against the beam of the steel structure of the three-dimensional parking equipment, and one end of the chassis is lifted, so that the carrier walking track and the left parking space guide rail are in the same plane, and the leveling function is realized; the chassis needs to overcome the self weight of the chassis and the weight of a vehicle and a carrier in the lifting process, a large motor and a speed reducer are needed, and the manufacturing and using cost is high; when the leveling arm is abutted against the cross beam, the impact is applied to the cross beam, and noise and vibration can be generated; the lifting car is driven to ascend and descend by a chain or a steel wire rope through a lifting driving system arranged at the top of the steel structure, after leveling, when a vehicle is stored and taken out, the vehicle is carried to or from a transverse moving trolley of the lifting car by a carrier, the load on the lifting car is changed, the elongation of the chain or the steel wire rope is changed accordingly, the relative position of a track of the intelligent carrier on the transverse moving trolley and a guide rail on a parking space or an access platform is in a changed state, and the leveling precision is reduced.
In addition, in the conventional mechanical stereo garage, in order to facilitate the habit of driving forward during parking and taking out of the garage, the mode of parking and taking out vehicles is generally realized by arranging an entrance door and an exit door as through doors, wherein the vehicles enter from an entrance (front door) during parking and exit (back door) during taking out. Or a turning device is arranged at an entrance (an entrance and an exit room) to realize the rotation and turning around of the vehicle so that a user can drive the vehicle to move out of the garage; the two modes have the defects of complex equipment at the entrance and the exit of the garage, large occupied area and the like, and the vehicles can rotate and turn around at the entrance and the exit (entering and exiting the garage room), so that the time for storing and taking the vehicles can be increased, and the operation efficiency of the garage is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a transverse moving trolley with a telescopic automatic leveling device and a rotary function, wherein the transverse moving trolley has the advantages of low manufacturing and using cost and high leveling precision; the garage can not only transport vehicles by walking at high speed in a roadway, but also rotate at high speed, so that the vehicles can turn around and enter and exit positively, the floor area can be reduced, the vehicle storing and taking time can be saved, and the operation efficiency of the garage can be improved.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a sideslip platform truck with telescopic automatic leveling device and gyration function, includes the chassis, sets up traveling system, carrier track on the chassis, and traveling system drive sideslip platform truck moves along the guide rail back-and-forth movement on the lift car, and the carrier can remove its characterized in that about the carrier track: the mechanical parking equipment is characterized by further comprising a lifting rotary frame, the carrier rail is arranged on the lifting rotary frame, a lifting device and a rotary device are arranged between the lifting rotary frame and the chassis, the lifting device drives the lifting rotary frame to do lifting motion relative to the chassis, the rotary device drives the lifting rotary frame to do rotary motion relative to the chassis, a telescopic leveling mechanism is arranged on the lifting rotary frame, and the load of the lifting rotary frame acts on a steel structure frame of the mechanical parking equipment when the leveling mechanism works.
By adopting the technical scheme, the flat-layer positioning device of each parking space is omitted, so that the equipment is simpler in structure, low in production cost, high in installation efficiency and convenient to debug. The telescopic leveling mechanism is arranged on the lifting revolving frame, when the leveling mechanism works, the load of the lifting revolving frame acts on a steel structure frame of the mechanical parking equipment, when a vehicle is stored and taken out, the vehicle is conveyed to the lifting revolving frame or is moved away from the lifting revolving frame by the carrier, the load on the lifting car is not changed, the elongation of a chain or a steel wire rope is not changed, the relative position of the track of the intelligent carrier on the transverse moving trolley and the guide rail on the parking space or the access platform is not changed, and the leveling precision is high.
In the transverse moving trolley with the telescopic automatic leveling device and the rotary function, the rotary device comprises a rotary support and a rotary speed reducing motor, an inner ring of the rotary support is fixed on a chassis, an outer ring of the rotary support is connected with a pin shaft plate, a pin shaft is arranged on the pin shaft plate, a positioning plate is arranged on the lower bottom surface of the lifting rotary frame, a pin hole corresponding to the pin shaft is arranged on the positioning plate, external teeth are arranged on the outer wall of the outer ring of the rotary support, the rotary speed reducing motor is fixed on the chassis, and a gear meshed with the external teeth on the outer ring of the rotary support is arranged on an output shaft of the rotary speed reducing motor;
when the lifting slewing frame is jacked up by a lifter output shaft of the lifting device, the pin shaft leaves the pin hole; when an output shaft of the lifter descends, a pin shaft is inserted into the pin hole, the rotary speed reduction motor rotates to drive an outer ring of the rotary support to rotate, a pin shaft plate connected with the rotary support is driven to rotate, the pin shaft plate is provided with the pin shaft, the lower bottom surface of the lifting rotary frame is provided with a positioning plate, and the pin shaft is inserted into the pin hole, so that the lifting rotary frame is finally driven to rotate;
through adopting above-mentioned technical scheme, at the in-process of getting the car, the sideslip platform truck not only can be in the tunnel high-speed walking transport vehicle, and can carry out the vehicle gyration in the high-speed operation, if make the vehicle rotate 180 degrees turn around on the sideslip platform truck, then can realize that the vehicle advances to put in storage, advance to go out the storehouse, consequently this scheme need not set up the required rotation space of vehicle turn around again in access & exit (the warehouse entry room), can reduce area, and utilize the sideslip platform truck to realize that the vehicle turns around, can practice thrift the access car time greatly, improve stereo garage's operating efficiency.
In the transverse moving trolley with the telescopic automatic leveling device and the rotation function, the lifting device comprises a left lifting device and a right lifting device, the left lifting device and the right lifting device have the same structure and respectively comprise a positioning block, a lifter and a lifting speed reduction motor, the lifter and the lifting speed reduction motor are fixed on the chassis, an output shaft of the lifting speed reduction motor is a double-shaft extension, two ends of the double-shaft extension are respectively connected with one end of a first transmission shaft, the other end of the first transmission shaft is connected with an input end of the lifter, and the end part of the output shaft of the lifter is connected with a positioning shaft; the upper end of the positioning block is connected with the lifting rotary frame, and the lower end of the positioning block is provided with a positioning groove corresponding to the positioning shaft.
By adopting the technical scheme, the lower part of the lifting rotary frame is connected with a positioning block with a positioning groove at the lower end, and the end part of the output shaft of the lifter is connected with a positioning shaft; when an output shaft of the lifter rises, a positioning shaft at the upper end of the lifter enters a positioning groove of a positioning block to jack the lifting revolving frame, the positioning groove can limit the lifting revolving frame to move in the left-right direction, and the lifting revolving frame is continuously jacked to enable the lower plane of the lifting revolving frame to be higher than a beam of a steel structure of the three-dimensional parking equipment; when the telescopic leveling mechanism works, the leveling arm extends out, the output shaft of the lifter descends, the positioning shaft is separated from the positioning groove of the positioning block, and the leveling arm is lapped on a beam of a steel structure of the three-dimensional parking equipment to realize the leveling function; because the lifter is fixed on the chassis, the positioning shaft is in open insertion connection with the positioning groove of the positioning block, the lifting revolving frame is separated from the chassis after leveling, when the vehicle is stored and taken, the length of the chain or the steel wire rope can be changed, but the change of the upper position and the lower position of the chassis can be caused, the lifting revolving frame is not influenced, and the leveling precision can not be reduced.
Furthermore, the vertical section of the upper end part of the output shaft of the lifter is in an inverted V shape, the positioning shaft penetrates through the inclined plane of the inverted V shape, and the lower end of the positioning block and the upper end part of the output shaft of the lifter are correspondingly provided with a groove with the inverted V-shaped vertical section.
By adopting the technical scheme, when the output shaft of the lifter is lifted, the upper end of the output shaft is inserted into the groove with the inverted V-shaped vertical section at the lower end of the positioning block, and the inclined planes of the two V-shaped grooves are attached to limit the lifting revolving frame to move in the front-back direction.
In the traverse trolley with the telescopic automatic leveling device and the rotation function, the telescopic leveling mechanism comprises a left telescopic leveling mechanism and a right telescopic leveling mechanism, the left telescopic leveling mechanism and the right telescopic leveling mechanism have the same structure and respectively comprise a leveling arm and a driving mechanism for driving the leveling arm to extend or retract; the left telescopic leveling mechanism and the right telescopic leveling mechanism are respectively arranged at the left end and the right end of the lifting revolving frame and can independently operate.
Two ends set up one set of telescopic mechanism that can independently operate respectively about the sideslip platform truck, and both ends all can carry out the flat bed location about, and two sets of telescopic mechanism of controlling all work under normal condition. Under special conditions, when a parking space is arranged on only one side of a roadway, if the parking space is arranged on only the left side, the left lifting device and the left telescopic leveling mechanism at the left end of the trolley only need to be transversely moved, a lifting speed reduction motor of the left lifting device drives a lifter to work, a positioning shaft at the upper end of the lifter enters a positioning groove of a positioning block when an output shaft of the lifter is lifted, the left end of a lifting revolving frame is jacked up, so that the lower plane at the left end of the lifting revolving frame is higher than a beam of a steel structure of the three-dimensional parking equipment, and the positioning groove can limit the lifting revolving frame to move in the left-right direction; in the jacking process, a positioning block at the right end of the lifting rotary frame rotates around a corresponding positioning shaft; the telescopic leveling mechanism of left side work, and the leveling arm stretches out, and the output shaft of lift descends, and the location axle breaks away from the constant head tank of locating piece, and leveling arm overlap joint realizes the leveling function on the crossbeam of sky parking equipment steel construction.
Furthermore, each telescopic leveling mechanism comprises 2 leveling arms which are symmetrically arranged front and back, the leveling arms can be slidably arranged on the lifting revolving frame, and the driving mechanism can drive the 2 leveling arms to extend or retract simultaneously.
Through adopting above-mentioned technical scheme, 2 flat layer arms share one set of actuating mechanism, simple structure, and the synchronism is good.
Furthermore, a sliding block is connected on the flat layer arm, the sliding block can slide along a guide shaft, two ends of the guide shaft are connected on the lifting revolving frame through a guide shaft seat, the driving mechanism comprises,
a flat layer speed reducing motor connected to the elevating rotary frame, an output shaft with a double shaft extension, two ends of the double shaft extension connected with one end of a second transmission shaft respectively,
a rack guide seat connected to the elevating rotary frame and provided with a guide sleeve,
one end of the rack shaft is connected with the inner end of the flat layer arm and can slide along the inner hole of the guide sleeve,
a bearing seat connected to the lifting revolving frame,
one end of the second transmission shaft is connected with an output shaft of the flat-layer speed reduction motor, the other end of the second transmission shaft is rotatably connected on the bearing seat and the end part of the second transmission shaft is connected with a driving gear,
the transition gear is meshed with the driving gear and the rack shaft and is rotatably connected to one end of the gear shaft, and the other end of the gear shaft is fixedly connected to the lifting rotary frame;
the leveling speed reducing motor rotates to drive the second transmission shaft to rotate, the driving gear at the end part of the second transmission shaft drives the transition gear to rotate, and the transition gear drives the leveling arm to extend or retract through the rack shaft;
when the telescopic leveling mechanism does not work, the leveling arm is in a retraction state;
when the telescopic leveling mechanism works, the leveling arm gradually extends out, the lifting device drives the lifting rotary frame to descend, the outer end of the leveling arm is lapped on a beam of a steel structure of the three-dimensional parking equipment, the lifting rotary frame is separated from the chassis, and a carrier track on the lifting rotary frame and a parking space guide rail/entrance platform guide rail are positioned on the same plane, so that the leveling function is realized.
By adopting the technical scheme, when the transverse moving trolley moves to the position corresponding to the target parking space, the lifter jacks up the lifting revolving frame, and the lower plane of the lifting revolving frame is higher than the beam of the steel structure of the three-dimensional parking equipment; when the telescopic leveling mechanism works, the leveling arm extends out, then the lifting revolving frame descends along with an output shaft of the lifter, and the leveling arm is lapped on a beam of a steel structure of the three-dimensional parking equipment, so that a carrier rail on the lifting revolving frame and a parking space guide rail are positioned on the same plane, and the leveling function is realized.
The invention has the beneficial effects that:
1. a flat-layer positioning device of each parking space is omitted, so that the equipment has simpler structure, low production cost, high installation efficiency and convenient debugging;
2. two ends set up one set of telescopic mechanism that can independently operate respectively about the sideslip platform truck, and both ends all can carry out the flat bed location about, and two sets of telescopic mechanism of controlling all work under normal condition. Under special conditions, when a parking space is arranged on one side of a roadway, only a lifting device and a telescopic leveling mechanism on one side of the parking space need to be arranged to work;
3. after leveling, the lifting rotary frame is separated from the chassis, and the load of the lifting rotary frame acts on a steel structure frame of the mechanical parking equipment. When the vehicle is stored and taken out, the length of the chain or the steel wire rope can be changed, but the vertical position of the chassis can be changed, the lifting revolving frame is not influenced, and the leveling precision cannot be reduced.
4. In the process of taking the vehicle, the transverse moving trolley can not only travel at a high speed in a roadway to convey the vehicle, but also can rotate the vehicle when running at a high speed, if the vehicle rotates 180 degrees to turn around on the transverse moving trolley, the vehicle can move forward to enter and exit from the garage, so that the scheme does not need to set a rotating space required by turning around the vehicle in an entrance (an entrance and an exit room), the floor area can be reduced, the vehicle can turn around by utilizing the transverse moving trolley, the vehicle taking time can be greatly saved, and the running efficiency of the stereo garage is improved.
Drawings
FIG. 1 is an axial view of the present invention (with the lay flat arms not extended).
Fig. 2 is an axial schematic view of the present invention (flat arm extended).
Fig. 3 is a side view of the present invention (with the turret in the lowered position).
Fig. 4 is a side view of the present invention (the elevation turret in the raised position).
Fig. 5 is a schematic view of the elevating turret of the present invention.
Fig. 6 is a schematic view of a chassis in the present invention.
FIG. 7 is an axial view of the telescopic leveling mechanism of the present invention.
Fig. 8 is a schematic axial view of the lifting device of the present invention.
FIG. 9 is a schematic view of a turning gear of the present invention;
FIGS. 10-11 are enlarged partial views of the turning device of the present invention;
fig. 12 is a side view of the present invention and a car and parking space.
Fig. 13 is a plan view of the present invention in conjunction with a car and parking space.
In the figure: 1 lifting rotary frame, 1-1 positioning block, 1-2 carrier rails, 1-3 motor mounting plates, 1-4 positioning plates, 1-5 pin holes,
2 chassis, 2-1 lifting device mounting base,
3 telescopic leveling mechanism, 3-1 leveling arm, 3-2 rack shaft, 3-3 rack guide seat, 3-4 transition gear, 3-5 driving gear, 3-6 second transmission shaft, 3-7 leveling gear motor, 3-8 guide shaft, 3-9 slide block, 3-10 guide shaft seat and 3-11 bearing seat,
4 a passive walking system, 5 an active walking system,
a 6 lifting device, a 6-1 first transmission shaft, a 6-2 lifter, an output shaft of the 6-3 lifter, a 6-4 positioning shaft, a 6-5 lifting speed reducing motor,
7 left parking space, 8 steel structure left beam, 9 transverse trolley, 10 carrier, 11 lifting cage, 12 steel structure right beam, 13 right parking space, 14 vertical track, 15 hoisting point seat,
the device comprises a 16-slewing device, a 16-1 slewing gear motor, a 16-2 gear, an outer ring of a 16-3 slewing bearing, an inner ring of a 16-4 slewing bearing, a 16-5 pin shaft plate and a 16-6 pin shaft.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention is further illustrated by the following non-limiting examples in combination with the accompanying drawings.
The front, rear, left and right directions of the present invention are described with reference to the front, rear, left and right directions shown in the drawings. For ease of illustration, only the portions relevant to the embodiments of the present invention are shown.
Referring to fig. 1 to 11, a traverse trolley with a telescopic automatic leveling device and a rotation function comprises a lifting and rotating frame 1, a chassis 2 and a control system, wherein a carrier track 1-2 is arranged on the lifting and rotating frame 1, and a passive traveling system 4 and an active traveling system 5 are arranged on the chassis 2; the active traveling system 5 drives the transverse moving trolley 9 to move back and forth along a guide rail on the lifting car 11, and the carrier 10 can move left and right on the lifting revolving frame 1 along the carrier track 1-2;
the traverse trolley 9 is provided with a power supply system, a guardrail, a laser distance measuring device, a detection system such as a vacancy detection device (whether a vehicle exists on a parking space), a vehicle overlong detection device, a vehicle detection device (whether a vehicle exists on the carrier 10), a carrier detection device (whether a carrier 10 exists on the traverse trolley 9) and the like, a wireless communication receiving system and a control system which are all modularized general parts, wherein the control system of the embodiment comprises a PLC, a relay and the like and is arranged in an electric control cabinet (not shown in the figure) in the power supply system.
Referring to fig. 9-11, a revolving device 16 is disposed between the lifting revolving frame 1 and the chassis 2, and the revolving device 16 drives the lifting revolving frame 1 to perform revolving motion relative to the chassis 2; the slewing device 16 comprises a slewing bearing and a slewing gear motor 16-1, wherein an inner ring 16-4 of the slewing bearing is fixed on the chassis 2, an outer ring 16-3 of the slewing bearing is connected with a pin shaft plate 16-5, a pin shaft 16-6 is arranged on the pin shaft plate 16-5, a positioning plate 1-4 is arranged on the lower bottom surface of the lifting slewing frame 1, a pin hole 1-5 corresponding to the pin shaft 16-6 is arranged on the positioning plate 1-4, outer teeth are arranged on the outer wall of an outer ring 16-3 of the slewing bearing, the slewing gear motor 16-1 is fixed on the chassis 2, and a gear 16-2 meshed with the outer teeth on the outer ring of the slewing bearing is arranged on an output shaft of the slewing gear motor 16-1.
Referring to fig. 8, a lifting device 6 is disposed between the lifting revolving frame 1 and the chassis 2, and the lifting device 6 drives the lifting revolving frame 1 to perform lifting movement relative to the chassis 2; the lifting device 6 comprises a left lifting device and a right lifting device, the left lifting device and the right lifting device are respectively arranged at two ends of the chassis 2 through a lifting device mounting seat 2-1, the left lifting device comprises a positioning block 1-1, a lifter 6-2 and a lifting speed reduction motor 6-5, the lifter 6-2 and the lifting speed reduction motor 6-5 are fixed on the chassis 2, an output shaft of the lifting speed reduction motor 6-5 is a double-shaft extension, two ends of the double-shaft extension are respectively connected with one end of a first transmission shaft 6-1, the other end of the first transmission shaft 6-1 is connected with an input end of the lifter 6-2, and the end part of an output shaft 6-3 of the lifter is connected with a positioning shaft 6-4; the upper end of the positioning block 1-1 is connected with the lifting revolving frame 1, and the lower end is provided with a positioning groove with a downward opening corresponding to the positioning shaft 6-4, and the positioning groove is used for positioning the lifting revolving frame 1 in the left and right directions. The lifter 6-2 is a prior art, such as the utility model No. 201520766666.8 obtained by the applicant, and is not described in detail.
In this embodiment, the output end of the lifting gear motor 6-5 may also be a hollow output shaft and have a structure with a key slot, the first transmission shaft 6-1 matched with the hollow output shaft is a solid shaft with a flat key, and the first transmission shaft 6-1 is connected with the hollow output shaft of the lifting gear motor 6-5 through a key and is radially fixed.
In the embodiment, the vertical section of the upper end part of the output shaft of the lifter is in an inverted V shape, the positioning shaft 6-4 penetrates through the inclined plane of the inverted V shape, and the lower end of the positioning block 1-1 and the upper end part of the output shaft of the lifter are correspondingly provided with a groove with the inverted V-shaped vertical section. When the output shaft 6-3 of the lifter rises, the upper end of the output shaft is inserted into the groove with the inverted V-shaped vertical section at the lower end of the positioning block 1-1, and the two V-shaped inclined planes are attached to position the lifting revolving frame 1 in the front-back direction. The right lifting device and the left lifting device have the same structure and are not described again.
The left end and the right end of the lifting revolving frame 1 are respectively provided with a set of telescopic leveling mechanism 3 capable of independently operating, the telescopic leveling mechanism comprises a left telescopic leveling mechanism and a right telescopic leveling mechanism, the left telescopic leveling mechanism and the right telescopic leveling mechanism are identical in structure and are universal components in the transverse moving trolley 9, the telescopic leveling mechanism is suitable for carriers of telescopic tooth types and clamping tire types and carriers of lifting comb tooth types, please refer to fig. 7, the left telescopic leveling mechanism comprises 2 leveling arms 3-1 which are symmetrically arranged in front and back, the leveling arms 3-1 can be slidably arranged on the lifting revolving frame 1, and the driving mechanism can simultaneously drive the 2 leveling arms 3-1 to extend or retract. Specifically, 2 sliding blocks 3-9 are connected to the leveling arm 3-1, the sliding blocks 3-9 can slide along guide shafts 3-8, and two ends of each guide shaft 3-8 are connected to the lifting rotary frame 1 through 1 guide shaft seat 3-10. The right telescopic leveling mechanism and the left telescopic leveling mechanism have the same structure and are not repeated.
The driving mechanism comprises a rack shaft 3-2, a rack guide seat 3-3, a transition gear 3-4, a driving gear 3-5, a second transmission shaft 3-6, a flat layer speed reducing motor 3-7 and a bearing seat 3-11,
the leveling speed reducing motor 3-7 is connected to the lifting rotary frame 1 through a motor mounting plate 1-3, an output shaft is a double-shaft extension, and two ends of the double-shaft extension are respectively connected with one end of a second transmission shaft 3-6; the rack guide seat 3-3 is connected to the lifting rotary frame 1 and is provided with a guide sleeve; one end of the rack shaft 3-2 is connected with the inner end of the flat layer arm 3-1 and can slide along the inner hole of the guide sleeve; the bearing blocks 3-11 are connected to the lifting revolving frame 1, one end of the second transmission shaft 3-6 is connected with an output shaft of the leveling gear motor 3-7, the other end is rotatably connected to the bearing blocks 3-11, and the end part is connected with the driving gear 3-5; the transition gear 3-4 is meshed with the driving gear 3-5 and the rack shaft 3-2, the transition gear 3-4 is rotatably connected to one end of the gear shaft, and the other end of the gear shaft is fixedly connected to the lifting revolving frame 1; in the embodiment, the bearing seats 3-11 adopt spherical outside surface ball bearings with square seat jackscrews.
In this embodiment, the output end of the flat-layer gear motor 3-7 may also be a hollow output shaft and have a structure of a key groove, the second transmission shaft 3-6 matched with the output end may be a solid shaft with a flat key, the second transmission shaft 3-6 is connected with the hollow output shaft of the flat-layer gear motor 3-7 through a key and is radially fixed, and the spherical outside surface ball bearing with the square base jackscrew is provided with a jackscrew, and can axially fix the second transmission shaft 3-6.
Referring to fig. 12 and 13, the leveling reduction motor 3-7 rotates to drive the second transmission shaft 3-6 to rotate, the driving gear 3-2 at the end of the second transmission shaft 3-6 drives the transition gear 3-4 to rotate, and the transition gear 3-4 drives the leveling arm 3-1 to extend or retract through the rack shaft 3-2;
when the telescopic leveling mechanism 3 does not work, the leveling arm 3-1 is in a retraction state;
when the telescopic leveling mechanism 3 works, the leveling arm 3-1 gradually extends out, the lifting device 6 drives the lifting revolving frame 1 to descend, the outer end of the leveling arm 3-1 is lapped on a beam of a steel structure of the three-dimensional parking equipment, the lifting revolving frame 1 is separated from the chassis 2, and a carrier track on the lifting revolving frame 1 and a parking space guide rail/entrance platform guide rail are in the same plane, so that the leveling function is realized.
The lifting gear motor 6-5 and the leveling gear motor 3-7 are connected with a control system.
The operation of this embodiment is described below with reference to the accompanying drawings:
fig. 12 and 13 are schematic diagrams of vehicle access, parking spaces are provided on both sides of the roadway, and the operation process of vehicle access in this embodiment is described below by taking a vehicle access in a left parking space as an example.
When the transverse trolley 9 does not store or take vehicles, the telescopic leveling mechanism 3 is in a non-working state, and the leveling arm 3-1 is in a retraction state, so that the normal operation of the transverse trolley 9 in the lifting car 11 is not influenced.
The method comprises the following specific steps:
1. initial state: an output shaft 6-3 of a lifter of the lifting device 6 is at a low position of a stroke, and the lifting revolving frame 1 is at a low position at the moment; the leveling arm 3-1 is in a retraction state;
2. storing in the vehicle:
(1) the transverse moving trolley 9 and the carrier 10 parked above the transverse moving trolley 9 jointly move to the entrance of the garage where the vehicle is parked, the control system controls the lifting speed reducing motor 6-5 to work, the output shaft 6-3 of the lifter rises to jack the lifting revolving frame 1, and the lifting revolving frame 1 is continuously jacked to enable the lower plane of the lifting revolving frame 1 to be higher than the entrance platform;
(2) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 extends out;
(3) the control system controls a lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with an output shaft 6-3 of the lifter, and the leveling arm 3-1 is lapped on the entrance platform, so that a carrier track on the lifting revolving frame 1 and an entrance platform guide rail are positioned on the same plane, and the leveling function is realized;
(4) the control system starts the carrier 10, carries the vehicles parked on the entrance platform onto the carrier 10, and then returns to the transverse trolley 9 together;
(5) the control system controls the lifting speed reducing motor 6-5 to work, and the lifting revolving frame 1 rises along with the output shaft 6-3 of the lifter;
(6) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 retracts;
(7) the control system controls the lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with the output shaft 6-3 of the lifter, and the lifting revolving frame 1 is at a low position;
(8) the main lifting driving system drives a lifting chain, the lifting chain is connected with a lifting point seat 15 on the lifting car 11, the lifting car 11 is driven to move to a target parking layer along a vertical rail 14 arranged on a steel structure, and then the transverse moving trolley 9 carries the carrier 10 and the vehicle to move to a designated left parking space 7 together;
(9) the control system controls the lifting speed reducing motor 6-5 to work, the output shaft 6-3 of the lifter rises, the lifting revolving frame 1 is jacked up, and jacking is continued to enable the lower plane of the lifting revolving frame 1 to be higher than the cross beam of the steel structure of the three-dimensional parking equipment;
(10) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 extends out;
(11) the control system controls a lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with an output shaft 6-3 of the lifter, and the leveling arm 3-1 is lapped on a beam of a steel structure of the three-dimensional parking equipment, so that a carrier track on the lifting revolving frame 1 and a parking space guide rail are positioned on the same plane, and the leveling function is realized;
(12) the control system starts the carrier 10, and the carrier 10 conveys the vehicle to the left parking space 7 and then returns to the transverse trolley 9;
(13) the control system controls the lifting speed reducing motor 6-5 to work, and the lifting revolving frame 1 rises along with the output shaft 6-3 of the lifter;
(14) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 retracts;
(15) the control system controls the lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with the output shaft 6-3 of the lifter, the lifting revolving frame 1 is at a low position, and the initial state is recovered; and finishing the action of storing the vehicle.
And taking out the vehicle:
(1) after the control system issues a vehicle taking-out command, the main lifting driving system drives a lifting chain, the lifting chain is connected with a lifting point seat 15 on the lifting car 11, the lifting car 11 is driven to move to a target parking layer along a vertical track 14 arranged on a steel structure, and the transverse moving trolley 9 carries the carrier 10 to move together to a left parking space 7 for storing vehicles;
(2) the control system controls the lifting speed reducing motor 6-5 to work, the output shaft 6-3 of the lifter rises, the lifting revolving frame 1 is jacked up, and jacking is continued to enable the lower plane of the lifting revolving frame 1 to be higher than the cross beam of the steel structure of the three-dimensional parking equipment;
(3) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 extends out;
(4) the control system controls a lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with an output shaft 6-3 of the lifter, and the leveling arm 3-1 is lapped on a beam of a steel structure of the three-dimensional parking equipment, so that a carrier track on the lifting revolving frame 1 and a parking space guide rail are positioned on the same plane, and the leveling function is realized;
(5) the control system starts the carrier 10, carries the vehicle parked on the left parking space 7 to the carrier 10, and then returns to the transverse trolley 9;
(6) the control system controls the lifting speed reducing motor 6-5 to work, and the lifting revolving frame 1 rises along with the output shaft 6-3 of the lifter;
(7) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 retracts;
(8) the control system controls the lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with the output shaft 6-3 of the lifter, and the lifting revolving frame 1 is at a low position;
(9) the transverse moving trolley 9 carries the carrier 10 and the vehicle to jointly move to the middle position of the lifting car 11;
(10) the main lifting driving system drives the lifting car 11 to move towards a parking layer where the exit is located, and in the moving process and before reaching the parking layer where the exit is located, the rotary speed reduction motor 16-1 drives the lifting rotary frame 1 to rotate, so that the vehicle rotates and turns around, and the head of the vehicle faces the exit of the garage;
(11) after the lifting revolving frame 1 rotates in place, the main lifting driving system continues to drive the lifting car 11 to move to a parking layer where the outlet is located;
(12) the transverse moving trolley 9 carries the carrier 10 and the vehicle to jointly move to the position corresponding to the exit;
(13) the control system controls the lifting speed reducing motor 6-5 to work, the output shaft 6-3 of the lifter rises, the lifting revolving frame 1 is jacked up, and jacking is continued to enable the lower plane of the lifting revolving frame 1 to be higher than the outlet platform;
(14) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 extends out;
(15) the control system controls a lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with an output shaft 6-3 of the lifter, and the leveling arm 3-1 is lapped on the outlet platform, so that a carrier track on the lifting revolving frame 1 and a guide rail of the outlet platform are positioned on the same plane, and the leveling function is realized;
(16) the control system starts the carrier 10, and the carrier 10 returns the vehicle to the transverse trolley 9 after carrying the vehicle to the outlet platform;
(17) then the garage door is automatically opened, and a driver drives out the vehicle to finish the vehicle taking;
4. and (4) recovering the initial state:
(1) the control system controls the lifting speed reducing motor 6-5 to work, and the lifting revolving frame 1 rises along with the output shaft 6-3 of the lifter;
(2) the control system controls the leveling speed reducing motor 3-7 to work, and the leveling arm 3-1 retracts;
(3) the control system controls the lifting speed reducing motor 6-5 to work, and the lifting revolving frame 1 rises along with the output shaft 6-3 of the lifter;
(4) the transverse moving trolley 9 carries the carrier 10 and the vehicle to jointly move to the middle position of the lifting car 11;
(5) the rotary speed reducing motor 16-1 drives the lifting rotary frame 1 to rotate reversely, and the lifting rotary frame 1 restores to the original position;
(6) the control system controls the lifting speed reducing motor 6-5 to work, the lifting revolving frame 1 descends along with the output shaft 6-3 of the lifter, and the lifting revolving frame 1 is at a low position and restores to an initial state.
When a parking space is arranged on one side of the roadway, if the parking space is arranged on the left side, and a steel structure beam is not arranged on the right side (if the right side is a wall), the left lifting device and the left telescopic leveling mechanism at the left end of the transverse trolley 9 only need to move, and the right lifting device and the right telescopic leveling mechanism at the right end do not work; a lifting speed reduction motor 6-5 of the left lifting device drives a lifter 6-2 to work, when an output shaft 6-3 of the lifter is lifted, a positioning shaft 6-4 at the upper end of the lifter enters a positioning groove of a positioning block 1-1, the left end of the lifter 1 is jacked up, so that the lower plane of the left end of the lifter 1 is higher than a cross beam of a steel structure of the three-dimensional parking equipment, and the positioning groove can limit the lifter 1 to move in the left and right directions; in the jacking process, a positioning block 1-1 at the right end of the lifting frame 1 rotates around a corresponding positioning shaft 6-4; the left telescopic leveling mechanism works, the leveling arm 3-1 extends out, the output shaft 6-3 of the lifter descends, the positioning shaft 6-4 is separated from the positioning groove of the positioning block 1-1, and the leveling arm 3-1 is lapped on a beam of a steel structure of the three-dimensional parking equipment, so that the leveling function is realized. Other processes for accessing the vehicle are the same as the above embodiment.
In the description of the present invention, it should be noted that the terms "left", "right", "front", "back", "upper", "lower", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and the above terms are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the art can make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications should be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a sideslip platform truck with telescopic automatic leveling device and gyration function, includes the chassis, sets up traveling system, carrier track on the chassis, and traveling system drive sideslip platform truck moves along the guide rail back-and-forth movement on the lift car, and the carrier can remove its characterized in that about the carrier track: the mechanical parking equipment is characterized by further comprising a lifting revolving frame, the carrier rail is arranged on the lifting revolving frame, a lifting device and a revolving device are arranged between the lifting revolving frame and the chassis, the lifting device drives the lifting revolving frame to do lifting motion relative to the chassis, the revolving device drives the lifting revolving frame to do revolving motion relative to the chassis, a telescopic leveling mechanism is arranged on the lifting revolving frame, and when the leveling mechanism works, the load of the lifting revolving frame acts on a steel structure frame of the mechanical parking equipment;
the lifting device comprises a left lifting device and a right lifting device, the left lifting device and the right lifting device have the same structure and respectively comprise a positioning block, a lifter and a lifting speed reducing motor, the lifter and the lifting speed reducing motor are fixed on the chassis, an output shaft of the lifting speed reducing motor is a double-shaft extension, two ends of the double-shaft extension are respectively connected with one end of a first transmission shaft, the other end of the first transmission shaft is connected with an input end of the lifter, and the end part of the output shaft of the lifter is connected with a positioning shaft; the upper end of the positioning block is connected with the lifting rotary frame, and the lower end of the positioning block is provided with a positioning groove corresponding to the positioning shaft;
the vertical section of the upper end part of the output shaft of the lifter is in an inverted V shape, the positioning shaft penetrates through the inclined plane of the inverted V shape, and the lower end of the positioning block and the upper end part of the output shaft of the lifter are correspondingly provided with grooves with inverted V-shaped vertical sections;
the telescopic leveling mechanism comprises a left telescopic leveling mechanism and a right telescopic leveling mechanism, the left telescopic leveling mechanism and the right telescopic leveling mechanism have the same structure and respectively comprise a leveling arm and a driving mechanism for driving the leveling arm to extend or retract; the left telescopic leveling mechanism and the right telescopic leveling mechanism are respectively arranged at the left end and the right end of the lifting revolving frame and can independently run;
when the telescopic leveling mechanism does not work, the leveling arm is in a retraction state;
when the telescopic leveling mechanism works, the leveling arm gradually extends out, the lifting device drives the lifting rotary frame to descend, the outer end of the leveling arm is lapped on a beam of a steel structure of the three-dimensional parking equipment, the lifting rotary frame is separated from the chassis, and a carrier track on the lifting rotary frame and a parking space guide rail/entrance platform guide rail are positioned on the same plane, so that the leveling function is realized.
2. A traverse trolley with telescopic auto-leveling device and turning function as claimed in claim 1, characterized in that: the slewing device comprises a slewing bearing and a slewing gear motor, wherein an inner ring of the slewing bearing is fixed on a chassis, an outer ring of the slewing bearing is connected with a pin shaft plate, a pin shaft is arranged on the pin shaft plate, a positioning plate is arranged on the lower bottom surface of the lifting slewing frame, a pin hole corresponding to the pin shaft is arranged on the positioning plate, external teeth are arranged on the outer wall of the outer ring of the slewing bearing, the slewing gear motor is fixed on the chassis, and a gear meshed with the external teeth on the outer ring of the slewing bearing is arranged on an output shaft of the slewing gear motor.
3. A traverse trolley with telescopic automatic leveling device and turning function as claimed in claim 1 or 2, characterized in that: each telescopic leveling mechanism all include 2 leveling arms that the front and back symmetry set up, leveling arm slidable ground sets up on the lift revolving rack, actuating mechanism can drive 2 leveling arms simultaneously and stretch out or retract.
4. A traverse trolley with telescopic auto-leveling device and turning function as claimed in claim 3, characterized in that: the leveling arm is connected with a sliding block which can slide along a guide shaft, two ends of the guide shaft are connected on the lifting revolving frame through a guide shaft seat, the driving mechanism comprises,
a flat layer speed reducing motor connected to the elevating rotary frame, an output shaft with a double shaft extension, two ends of the double shaft extension connected with one end of a second transmission shaft respectively,
a rack guide seat connected to the elevating rotary frame and provided with a guide sleeve,
one end of the rack shaft is connected with the inner end of the flat layer arm and can slide along the inner hole of the guide sleeve,
a bearing seat connected to the lifting revolving frame,
one end of the second transmission shaft is connected with an output shaft of the flat-layer speed reduction motor, the other end of the second transmission shaft is rotatably connected on the bearing seat and the end part of the second transmission shaft is connected with a driving gear,
the transition gear is meshed with the driving gear and the rack shaft and is rotatably connected to one end of the gear shaft, and the other end of the gear shaft is fixedly connected to the lifting rotary frame;
the leveling speed reducing motor rotates to drive the second transmission shaft to rotate, the driving gear at the end part of the second transmission shaft drives the transition gear to rotate, and the transition gear drives the leveling arm to extend or retract through the rack shaft;
when the telescopic leveling mechanism does not work, the leveling arm is in a retraction state;
when the telescopic leveling mechanism works, the leveling arm gradually extends out, the lifting device drives the lifting rotary frame to descend, the outer end of the leveling arm is lapped on a beam of a steel structure of the three-dimensional parking equipment, the lifting rotary frame is separated from the chassis, and a carrier track on the lifting rotary frame and a parking space guide rail/entrance platform guide rail are positioned on the same plane, so that the leveling function is realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011121036.7A CN112282461B (en) | 2020-10-20 | 2020-10-20 | Sideslip platform truck with telescopic automatic leveling device and gyration function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011121036.7A CN112282461B (en) | 2020-10-20 | 2020-10-20 | Sideslip platform truck with telescopic automatic leveling device and gyration function |
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| CN112282461B true CN112282461B (en) | 2022-02-25 |
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| EP3162982A1 (en) * | 2015-11-02 | 2017-05-03 | Christos Toumpas | Low profile rotating platform for vehicles, modular structured and expandable |
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