CN112681849A - Wheel lifting device and automobile carrier - Google Patents

Abstract

The invention provides a wheel lifting device, which comprises a walking chassis and a clamping mechanism arranged on the walking chassis, wherein a lifting mechanism for driving the clamping mechanism to move along the vertical direction is arranged on the walking chassis; the walking chassis can longitudinally advance along the vehicle body; the clamping mechanism is matched with the wheel clamp; the lifting mechanism comprises lifting slopes which are arranged at two ends of the clamping mechanism in a longitudinal mode, the two lifting slopes are arranged in opposite directions, lifting wheels matched with the surfaces of the lifting slopes are fixed at two ends of the clamping mechanism in the longitudinal mode respectively, and the two lifting slopes can move synchronously and relatively. The invention has the advantages that: the lifting of the clamping mechanism is realized through the matching of the lifting slope and the lifting wheels, the vertical motion is converted into the horizontal motion for lifting the slope, the structure required in the vertical direction is greatly simplified, the height of the lifting device is effectively reduced, and the construction cost of the stereo garage is reduced.

Description

Wheel lifting device and automobile carrier

Technical Field

The invention relates to the technical field of automobile carriers, in particular to a wheel lifting device and an automobile carrier.

Background

With the increase of the automobile holding capacity, the problem of difficult parking is more obvious, the stereo garage is produced at the same time, and an automobile carrier is introduced to assist parking in the intelligent stereo garage, so that the carrier can finish the automatic parking and taking of the automobile; the automobile carrier longitudinally or transversely enters the bottom of an automobile body after the automobile is parked, and then wheels or a chassis are lifted, for example, the nut-screw type automobile carrier disclosed in the invention patent with the publication number of CN110282575B, the carrier in the prior art mostly depends on an air cylinder or a screw nut to lift the automobile, and the air cylinder or the screw nut are output along a straight line, so that the integral height of the carrier is higher, therefore, a parking space of a stereo garage capable of being automatically stored and taken in the prior art is provided with a settlement channel for the automobile carrier to walk, so that the automobile carrier is prevented from interfering with an automobile chassis, and the technology of automatically storing and taking the automobile cannot be directly applied to the existing parking lot.

In addition, in order to reduce the width and thickness of the carrier, a power supply and a control system are not generally arranged on the carrier and are connected with the power supply and the control system which are fixed outside through wires, so that the freedom degree of the carrier is low, and the carrier is difficult to move to any position of the whole garage; the general stereo garage transfers the transfer vehicles to complete the vehicle access in the respective operation range through a plurality of carriers, the carrying efficiency is low, and the damage risk is increased by lifting the vehicles for many times.

Disclosure of Invention

The invention aims to provide an ultrathin automobile wheel lifting device and an automobile carrier, which can get out of a vehicle chassis on a flat road.

The invention solves the technical problems through the following technical scheme: a wheel lifting device comprises a walking chassis and a clamping mechanism arranged on the walking chassis, wherein a lifting mechanism for driving the clamping mechanism to move along the vertical direction is arranged on the walking chassis; the walking chassis can longitudinally advance along the vehicle body; the clamping mechanism is matched with the wheel clamp;

the lifting mechanism comprises lifting slopes which are arranged at two ends of the clamping mechanism in a longitudinal mode, the two lifting slopes are arranged in opposite directions, lifting wheels matched with the surfaces of the lifting slopes are fixed at two ends of the clamping mechanism in the longitudinal mode respectively, and the two lifting slopes can move synchronously and relatively.

According to the invention, the lifting wheels slide and rise on the lifting slope through the relative motion of the lifting slope, so that the lifting of the clasping mechanism is realized, the vertical motion is converted into the horizontal motion of the lifting slope, the structure required in the vertical direction is greatly simplified, and the height of the lifting device is effectively reduced.

Preferably, the walking chassis comprises two first fixing columns arranged in parallel, two ends of each first fixing column are fixedly connected with each other through a second fixing column, two walking wheels are fixed on two sides of the end face of each second fixing column respectively, and the axial directions of the walking wheels are parallel to the axial directions of the second fixing columns.

Preferably, a protective sleeve is arranged on the outer side of the travelling wheel and wraps the two axial sides of the travelling wheel and one surface far away from the second fixing column; and an anti-collision wheel positioned at the outer side of the walking wheel shaft is fixed on the protective sleeve, the axial direction of the anti-collision wheel is along the vertical direction, and the wheel surface of the anti-collision wheel exceeds the outer side surface of the first fixed column.

Preferably, the traveling chassis is further provided with a driving mechanism fixed on any second fixed column, the driving mechanism comprises a bearing seat and a fixed seat fixed on two sides of the outer end face of the second fixed column, the bearing seat and the fixed seat are located between traveling wheels on two sides, a bearing and a traveling motor axially parallel to the bearing are fixed on the fixed seat, the driving mechanism further comprises a transmission rod penetrating through the bearing seat and the bearing, the output end of the traveling motor is fixedly provided with a first gear, the transmission rod is fixedly provided with a second gear meshed with the first gear, two ends of the transmission rod are respectively and fixedly provided with a third gear, a wheel shaft of each traveling wheel is fixedly provided with a fourth gear, the fourth gear and the traveling wheel are respectively located on two sides of the protective sleeve, and the third gear is meshed with the fourth gear.

Preferably, the lifting mechanism comprises a lifting screw rod and a lifting motor matched with the lifting screw rod, lifting slopes at two ends are respectively matched with two ends of the lifting screw rod in a threaded manner, the directions of external threads at two ends of the lifting screw rod are opposite, and the lifting motor is arranged in the horizontal direction to drive the lifting screw rod to rotate.

Preferably, the walking chassis further comprises two fixing plates which are parallel to each other, the fixing plates are connected with the first fixing columns on the two sides and located between the two second fixing columns, the lifting mechanism further comprises a lifting rail fixed on the fixing plates, the lifting slope is in sliding fit with the lifting rail, and the lifting rail is perpendicular to the length direction of the fixing plates.

Preferably, the lifting screw rod is fixedly arranged on the fixing plate in a penetrating mode and is in free rotation fit with the fixing plate, and one end portion of the lifting screw rod is matched with the lifting motor through a worm and gear structure.

Preferably, the lifting slope comprises two sliding blocks, one surface of each sliding block, facing the clamping mechanism, is an inclined surface, two lifting tracks which are respectively in sliding fit with the sliding blocks are fixed on the fixed plate, two ends of the lifting screw rod are respectively screwed with a nut seat, and two sides of each nut seat are respectively fixedly connected with the two sliding blocks.

Preferably, embrace and press from both sides mechanism both sides and respectively set up two arm lock, four arm lock can with the vertical parallel automobile body bottom that passes of automobile body, two arm lock in wheel the place ahead can be in step and the switching between contraction state and open state, two arm lock at rear equally can the synchronous switching state, contraction state is arm lock axial and the vertical parallel of automobile body, open state is arm lock axial and the axial parallel of wheel.

Preferably, embrace and press from both sides mechanism and be the rectangular frame structure, the arm lock board that includes both sides and the board that lifts at both ends, the wheel of lifting is fixed in the one side that the board that lifts the slope of lifting orientation, and the position that is close to both ends on every arm lock is provided with one respectively the arm lock has a wheel of lifting, two coaxial fixings of wheel of lifting on the inclined plane of two sliders respectively the overlap joint, and the fixed axle of wheel of lifting lifts the board outward side overhang relatively and fixes.

Preferably, the clamping arm is hinged and fixed on the clamping arm plate, and a hinge shaft of the clamping arm is in the vertical direction; be fixed with the arm lock worm wheel on the articulated shaft of arm lock, every arm lock worm wheel correspondence is provided with an arm lock worm, the arm lock worm is vertically fixed on the arm clamping plate of both sides along the automobile body respectively, and two arm lock worms of front end and two arm lock worms of rear end are connected through the chain respectively, are provided with a drive front end and rear end arm lock worm pivoted arm lock motor on the arm clamping plate of both sides respectively, when the arm lock motor rotates, two arm lock synchronous contractions or the opening of both sides.

Preferably, both ends of the clamping arm worm are respectively fixed on one clamping arm bearing seat, one end of the clamping arm worm facing the lifting plate is respectively fixed with a chain wheel, and the chain wheels of the two clamping arm worms at the same end are connected through the chain.

Preferably, the arm lock includes base and fly leaf, the one side of base orientation wheel is the inclined plane, the one end that the wheel was kept away from to the fly leaf passes through the torsional spring with the base and articulates, and the shape and the base shape of fly leaf are roughly the same, and during the torsional spring natural state, there is the clearance fly leaf and base surface, and when the fly leaf contacted the base surface, the arm lock motor stop work.

Preferably, at least one guide plate is further arranged on one surface, facing the lifting plate, of the fixing plate, the guide plate is fixed along the vertical direction, two sides of the guide plate are respectively fixed with a guide roller, and the guide rollers are of cylindrical structures;

one side of the lifting plate facing the fixed plate is fixedly provided with two rows of guide wheels, the wheel surfaces of the guide wheels are concave surfaces matched with the guide rollers, and the two rows of guide wheels are respectively matched with the two guide rollers.

Preferably, an electrical system is accommodated in the middle of the rectangular frame of the clamping mechanism, and the electrical system is integrated with a power supply and a control unit for controlling the work of the lifting device.

The invention also provides an automobile carrier which comprises two lifting devices flexibly connected along the longitudinal direction.

Preferably, a connecting rod is longitudinally fixed at the end part of the walking chassis of the lifting device along the vehicle body, the connecting rods of the front and rear lifting devices are staggered in the horizontal direction, and the two connecting rods are respectively fixedly connected with two ends of a flexible wire.

Preferably, the flexible conducting wire is of a U-shaped structure with two ends facing the same direction, and the two ends of the flexible conducting wire can change the extending length of the U-shaped bottom.

The wheel lifting device and the automobile carrier provided by the invention have the advantages that: the lifting wheels slide and rise on the lifting slope through the relative motion of the lifting slope, so that the lifting of the clamping mechanism is realized, the vertical motion is converted into the horizontal motion of the lifting slope, the structure required in the vertical direction is greatly simplified, and the height of the lifting device is effectively reduced;

guiding and protecting the movement of the lifting device through an anti-collision wheel;

the lifting mechanism converts the horizontal rotation of a lifting motor into the horizontal rotation of a lifting screw rod through a worm gear structure, then converts the horizontal rotation of the lifting motor into the axial movement of a nut seat through a screw rod nut structure, realizes height adjustment by means of the matching of a lifting slope and a lifting wheel, and prevents the automatic falling of the clamping mechanism by means of the self-locking function of the screw rod nut and the worm gear structure;

the front surface and the rear surface of the wheel are clamped and matched through the rotation of the clamping arm, and the position of the clamping arm is fixed through a worm gear structure, so that the safety of the lifting motion is ensured; the automatic stop of the movement of the clamping arm motor is realized through the matching relationship between the movable plate and the base, and the control is convenient;

the vertical motion of embracing the mechanism of pressing from both sides is led through the cooperation of guide roll and leading wheel, through under the clamping action at the leading wheel, for embracing the mechanism of pressing from both sides and provide anti-overturning power, under the condition of lifting the vehicle, keeps lifting device's steady.

Two lifting devices on the automobile carrier can be independently controlled, are suitable for vehicles with different wheelbases, are convenient to control and use, ensure stable communication under different distances through flexible connection, and are convenient to carry out integrated control.

Drawings

FIG. 1 is a schematic view of a wheel lift system according to an embodiment of the present invention;

fig. 2 is a schematic view of a lifting mechanism of the wheel lifting device according to the embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic view of a clamping mechanism of a wheel lifting device according to an embodiment of the present invention;

fig. 5 is a schematic view of a clamping arm of the wheel lifting device according to an embodiment of the present invention;

fig. 6 is a schematic view of a guide roller and a guide wheel of the wheel lifting device according to the embodiment of the present invention;

FIG. 7 is a schematic illustration of a vehicle carrier according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating different states of a flexible lead and a connecting rod of an automobile carrier according to an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the embodiment provides a wheel lifting device, which includes a traveling chassis 1 and a clamping mechanism 2 disposed on the traveling chassis 1, wherein a lifting mechanism 3 for driving the clamping mechanism 2 to move in a vertical direction is disposed on the traveling chassis 1; the walking chassis 1 can longitudinally move along a vehicle body; the clamping mechanism 2 is matched with the wheel clamp; the lifting mechanism 3 comprises lifting slopes 31 which are arranged at two ends of the clamping mechanism 2 along the longitudinal direction, the two lifting slopes 31 are arranged oppositely, the clamping mechanism 23 is fixed with lifting wheels 21 matched with the surfaces of the lifting slopes 1 along the longitudinal direction respectively along the two ends, and the two lifting slopes 31 can move synchronously and relatively.

The relative motion of slope 31 makes lifting wheel 21 slide on the slope 31 of lifting through lifting in this embodiment, realize embracing from this and press from both sides the lifting of mechanism 2, thereby change horizontal motion for the vertical motion of lifting slope 31, the very big simplification of structure that needs in vertical direction, the height of effectual reduction lifting device, the total height of the lifting device that this embodiment provided is only 150mm, can go into the bottom of common family car on the level land, conveniently lift the car, reduce stereo garage's construction cost.

The effect that the lifting device that this embodiment provided can only front side or rear side wheel provide the lifting lift, but be enough to realize the automation of vehicle and deposit, it is specific, to forerunner's or rear-drive vehicle, under the vehicle normally parks in the circumstances on ground, lifting device is along longitudinal movement to its drive wheel below, lift the back with the drive wheel, lifting device can drag the vehicle and advance on ground, non-drive wheel follow lifting device rotate advance can, consequently also can use the automatic access of automatic handling technique realization vehicle in conventional parking area, and the vehicle need not lift up completely, reduce the risk of overturning, very big reduction intelligence garage is to the requirement of architectural structure, the popularization of automatic parking technique has been made things convenient for.

The walking chassis 1 is of a rectangular frame structure and comprises two first fixing columns 11 which are arranged in parallel, two ends of each first fixing column 11 are fixedly connected through second fixing columns 12, two walking wheels 13 are fixed to two sides of the end face of each second fixing column 12 respectively, the axial direction of each walking wheel 13 is parallel to the axial direction of each second fixing column 12, and therefore the lifting device can advance along the axial direction of the corresponding first fixing column 11 at least, and the bottom of a vehicle body can longitudinally pass in and out.

A protective sleeve 14 is arranged on the outer side of the traveling wheel 13, and the protective sleeve 14 wraps the two axial sides of the traveling wheel 13 and one surface far away from the second fixing column 12; be fixed with on the protective sheath 14 and be in the crashproof wheel 15 in walking 13 axial outside, vertical direction is followed to the axial of crashproof wheel 15, and the wheel face of crashproof wheel 15 surpasss the lateral surface of first fixed column 11, leads to and protects lifting device's motion through crashproof wheel 15, prevents that first fixed column 11 from taking place relative slip with parts such as wall, automobile body, resulting in scraping. The protective sleeve 14 may be fixed on the end surface of the second fixing column 12 by means of screwing, welding, etc., in a preferred embodiment, both ends of the second fixing column 12 are clamped in the first fixing column 11, and the protective sleeve 14 connects the first fixing column 11 and the second fixing column 12 at the same time, so as to improve the structural strength of the walking chassis 1. The anti-collision wheel 15 is fixed on the protective sleeve 14 through a conventional runner seat structure.

The walking chassis 1 is also provided with a driving mechanism 16 fixed on any second fixed column 12, the driving mechanism 16 comprises a bearing seat 161 and a fixed seat 162 fixed on two sides of the outer side end face of the second fixed column 12, the bearing seat 161 and the fixed seat 162 are positioned between the two side travelling wheels 13, a bearing (not shown) and a traveling motor 163 axially parallel to the bearing are fixed on the fixed seat 162, the driving mechanism 16 further includes a driving rod 164 passing through the bearing seat 161 and the bearing, a first gear 165 is fixedly arranged at the output end of the walking motor 163, a second gear 166 meshed with the first gear 165 is fixed on the transmission rod 164, a third gear 167 is respectively fixed at both ends of the transmission rod 164, a fourth gear 168 is fixed on the axle of the traveling wheel 13, the fourth gear 168 and the traveling wheel 13 are respectively positioned at two sides of the protective sleeve 14, and the third gear 167 is meshed with the fourth gear 168. The rotation of the walking motor 163 drives the transmission rod 164 to rotate, so that the synchronous rotation of the walking wheels 13 on the two sides is realized, and the two walking wheels 13 on the other end can be used as driven wheels.

The lifting mechanism 3 described with reference to fig. 2 and 7 includes a lifting screw rod 32 and a lifting motor 33 engaged with the lifting screw rod 32, the lifting slopes 31 at two ends are respectively engaged with two ends of the lifting screw rod 32, the directions of the external threads at two ends of the lifting screw rod 32 are opposite, and the lifting motor 33 is disposed along the horizontal direction to drive the lifting screw rod 32 to rotate. Because the thread directions of the two ends of the lifting screw rod 32 are opposite, the lifting screw rod 32 is driven to rotate by the lifting motor 33, so that the lifting slopes 31 screwed on the two ends of the lifting screw rod 32 are synchronously close to or far away from each other, and the supporting heights of the two sides for the lifting wheels 21 are kept the same.

With reference to fig. 2 and 3, the traveling chassis 1 further includes two fixing plates 17 parallel to each other, the fixing plates 17 are connected to the first fixing posts 11 on both sides and located between the two second fixing posts 12, the lifting mechanism 3 further includes a lifting rail 34 fixed on the fixing plates 17, the lifting slope 41 is in sliding fit with the lifting rail 34, and the lifting rail 34 is perpendicular to the length direction of the fixing plates 17. Combine fig. 7 lift lead screw 32 wears to establish and fixes on fixed plate 17 to with fixed plate 17 free running fit, lift lead screw 32's an tip through worm gear structure (not shown) and lift motor 33 cooperation, lift motor 33 is preferred to be set up for setting up between two walking wheels 13 of actuating mechanism 16, thereby reduce lifting device's vertical length, through the cooperation of two kinds of auto-lock structures of worm gear and screw-nut, stable drive is embraced and is pressed from both sides mechanism 2 and goes up and down, prevent to lead to embracing because of lifting the overweight and press from both sides mechanism 2 automatic descending.

Referring to fig. 3, the lifting slope 31 includes two sliding blocks 311, one surface of the sliding block 311 facing the clamping mechanism 2 is an inclined surface, two lifting rails 34 respectively sliding-fitted with the sliding blocks 311 are fixed on the fixing plate 17, two ends of the lifting screw rod 32 are respectively screwed with a nut seat 35, and two sides of the nut seat 35 are respectively fixedly connected with the two sliding blocks 311. When the lifting screw rod 32 rotates, the nut seat 35 can be driven to change the position along the length direction of the lifting screw rod 32, so that the slide block 311 is driven to slide along the lifting rail 34 to change the position.

Referring to fig. 4, two clamping arms 22 are respectively arranged on two sides of the clamping mechanism 2, four clamping arms 22 can penetrate through the bottom of the vehicle body in a manner of being longitudinally parallel to the vehicle body, the two clamping arms 22 in front of the vehicle wheel can be synchronously switched between a contraction state and an opening state, the two clamping arms 22 in the rear can also be synchronously switched, the contraction state is that the axial direction of the clamping arms 22 is longitudinally parallel to the vehicle body, and the opening state is that the axial direction of the clamping arms 22 is parallel to the axial direction of the vehicle wheel.

When the lifting device enters or leaves the bottom of a vehicle body, the front clamping arm 22 and the rear clamping arm 22 are in a contraction state, the clamping arms 22 are prevented from interfering with wheels, the two clamping arms 22 on the same side are coaxial, the rotating ends of the two clamping arms are far away from each other, after the clamping arms enter the bottom of the vehicle body, the two clamping arms 22 far away from the direction of the wheels can be switched to an opening state, the lifting device is driven to move longitudinally to enable the clamping arms 22 in the opening state to be in contact with the wheels, the lifting device stops moving, then the clamping arms 22 in the contraction state are controlled to rotate to the opening state, and after the front clamping arms 22 and the rear clamping arms 22 are respectively in contact with the front wheel surface and the rear wheel surface of.

Embrace and press from both sides mechanism 2 and be rectangular frame mechanism, the board 24 that lifts including the arm board 23 and both ends of both sides, lift wheel 21 and be fixed in the board 24 that lifts towards the one side that lifts slope 31, and the position that is close to both ends on every arm board 23 is provided with one respectively arm board 22, the 311 inclined planes of two sliders are gone up to overlap joint respectively and are had a lift wheel 21, and two lift wheels 21 are coaxial fixed, and the fixed axle that lifts wheel 21 lifts board 24 relatively and stretches to the outside fixedly.

The clamping arm 22 is hinged and fixed on the clamping arm plate 23, and a hinge shaft of the clamping arm 22 is in the vertical direction; clamping arm worm wheels 221 are fixed on a hinge shaft of the clamping arm 22, each clamping arm worm wheel 221 is correspondingly provided with a clamping arm worm 222, the clamping arm worms 222 are respectively fixed on the clamping arm plates 23 on the sides where the two lifting rails 34 slide and change positions along the longitudinal direction of the vehicle body, the two clamping arm worms 222 at the front end and the two clamping arm worms 222 at the rear end are respectively connected through chains 223, clamping arm motors 224 for driving the clamping arm worms 222 at the front end and the rear end to rotate are respectively arranged on the clamping arm plates 23 at the two sides, and when the clamping arm motors 224 rotate, the two clamping arms 22 at the two sides are synchronously contracted or opened; both ends of the clamping arm worm 222 are respectively fixed on a clamping arm bearing seat 225, a chain wheel (not shown) is respectively fixed at one end of the clamping arm worm 222 facing the lifting plate 24, and the chain wheels of the two clamping arm worms 222 at the same end are connected through the chain 223. Through rotation of arm lock motor 224, drive an arm lock worm 222 and rotate, transmission through chain 223, make two arm lock 22 simultaneous movement of front end or rear end, through the shape of reasonable selection arm lock turbine 221 and arm lock worm 222, can make the arm lock 22 of both sides open simultaneously or close, thereby with the state of two arm lock 22 of the convenient control of an arm lock motor 224, and the worm gear structure has been used in the power transmission, can prevent arm lock 22 with the help of worm gear's self-locking function and rotate and make the wheel break away from arm lock 22 under automobile body pressure.

With reference to fig. 5, the clamp arm 22 includes a base 226 and a movable plate 227, a surface of the base 226 facing the wheel is an inclined surface, an end of the movable plate 227 away from the wheel is hinged to the base 226 through a torsion spring 228, the shape of the movable plate 227 is substantially the same as the shape of the base 226, when the torsion spring 228 is in a natural state, a gap exists between the movable plate 227 and the surface of the base 226, when the movable plate 227 contacts the surface of the base 226, the clamp arm motor 224 stops working, a contact electrode (not shown) may be disposed on the base 226 or the movable plate 227, when the movable plate 227 contacts the base 226, a circuit where the contact electrode is located is conducted, and the clamp arm motor 224 stops working after receiving the electrical signal, so that the clamp arm 22 is locked; when the clamp arm 22 does not contact the wheel, the movable plate 227 keeps a gap with the base 226 under the action of the torsion spring 228, so that the clamp arm motor 224 can work normally.

With reference to fig. 3, 4 and 6, at least one guide plate 18 is further disposed on one surface of the fixing plate 17 facing the lifting plate 24, the guide plate 18 is fixed along the vertical direction, two sides of the guide plate 18 are respectively fixed with a guide roller 181, and the guide roller 181 is a cylindrical structure; two rows of guide wheels 25 are fixed on one surface of the lifting plate 24 facing the fixed plate 17, the wheel surfaces of the guide wheels 25 are concave surfaces matched with the guide rollers 181, and the two rows of guide wheels 25 are respectively matched with the two guide rollers 181; thereby it is spacing to carry out the direction of vertical motion through the guide roll 18 of two rows of guide pulley 25 centre gripping both sides, in this embodiment, each row is provided with two the guide pulley 25, the both sides of fixed plate 17 are provided with one respectively the deflector 18, the correspondence is provided with two sets of guide pulley 25 with deflector 18 complex on the board 24 of lifting.

In order to enable the lifting device to conveniently and flexibly move in the parking lot, an electrical system 4 is further accommodated in the rectangular frame of the clamping mechanism 2, a power supply and a control unit for controlling the lifting device to work are integrated in the electrical system 4, the lifting device can completely depend on the power supply and the control unit of the electrical system 4 to complete work by embedding a corresponding control program, dependence on an external power supply and the control unit is eliminated, the thickness of the whole device and the size of the lifting device in other directions are not affected, the lifting device can move at any position in the parking lot, and the automatic vehicle storage and taking work is greatly facilitated.

Referring to fig. 7, based on the lifting devices, the embodiment further provides an automobile carrier, which includes two lifting devices flexibly connected in the longitudinal direction, and referring to fig. 8, a connecting rod 5 is longitudinally fixed at the end of a walking chassis of the lifting devices along an automobile body, the connecting rods 5 of the front and rear lifting devices are staggered in the horizontal direction, so as to be capable of being partially overlapped, the two connecting rods are respectively and fixedly connected with two ends of a flexible conducting wire 52, the flexible conducting wire 52 is a U-shaped structure with two ends facing the same direction, the two ends of the flexible conducting wire 52 can change the extending length relative to the U-shaped bottom, the upper diagram in fig. 8 is the state of the flexible conducting wire 52 when the two lifting devices are far away from each other, and the lower diagram is the state of the flexible conducting wire 52 when the two lifting devices are close to.

Therefore, when the two lifting devices move relatively, the length of the overlapped part at the two ends of the flexible lead 52 can be changed adaptively, so that the two lifting devices are electrically connected, and the two lifting devices are controlled uniformly.

When the device is used, the two lifting devices are synchronously and longitudinally arranged at the bottom of the vehicle body, so that the two clamping mechanisms 2 are positioned between the front wheel and the rear wheel, then the two clamping mechanisms 2 are controlled to be far away from the two clamping arms 22 of the corresponding front wheel and the corresponding rear wheel to be switched to an open state, the two lifting devices are synchronously or independently controlled to move towards the corresponding wheel direction along the longitudinal direction, so that the clamping arms 22 in the open state are contacted with the wheels, then the clamping arms 22 in a contraction state are controlled to be opened, the movable plates 227 of the clamping arms 22 are contacted with the wheels and stop moving, so that the clamping of the wheels is completed, then the lifting mechanisms 3 of the two lifting devices are respectively controlled to lift the wheels, the vehicle can be moved to any position after the vehicle is lifted, the carrying of common household vehicles is realized through the matching of the two lifting devices, and the two lifting devices can be independently controlled to adapt to, convenient use and good popularization and application prospect.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A wheel lifting device is characterized in that: the lifting mechanism is arranged on the walking chassis and drives the clamping mechanism to move along the vertical direction; the walking chassis can longitudinally advance along the vehicle body; the clamping mechanism is matched with the wheel clamp;

the lifting mechanism comprises lifting slopes which are arranged at two ends of the clamping mechanism in a longitudinal mode, the two lifting slopes are arranged in opposite directions, lifting wheels matched with the surfaces of the lifting slopes are fixed at two ends of the clamping mechanism in the longitudinal mode respectively, and the two lifting slopes can move synchronously and relatively.

2. A wheel lift assembly as defined in claim 1, wherein: the lifting mechanism comprises a lifting screw rod and a lifting motor matched with the lifting screw rod, lifting slopes at two ends are respectively in threaded fit with two ends of the lifting screw rod, the directions of external threads at two ends of the lifting screw rod are opposite, the lifting motor is arranged along the horizontal direction, and one end part of the lifting screw rod is matched with the lifting motor through a worm and gear structure;

the walking chassis comprises two first fixing columns arranged in parallel, the two ends of each first fixing column are fixedly connected through a second fixing column, a walking wheel is fixed on each of the two sides of the end face of each second fixing column, and the axial direction of each walking wheel is parallel to the axial direction of each second fixing column.

3. A wheel lift assembly as defined in claim 2, wherein: the walking chassis further comprises two fixing plates which are parallel to each other, the fixing plates are connected with the first fixing columns on the two sides and are positioned between the two second fixing columns, the lifting mechanism further comprises a lifting rail fixed on the fixing plates, the lifting slope is in sliding fit with the lifting rail, and the lifting rail is perpendicular to the length direction of the fixing plates; the lifting screw rod is fixedly arranged on the fixing plate in a penetrating way and is matched with the fixing plate in a free rotation way.

4. A wheel lift assembly as defined in claim 3, wherein: the lifting slope comprises two sliding blocks, one surface of each sliding block, facing the clamping mechanism, is an inclined surface, two lifting tracks which are respectively in sliding fit with the sliding blocks are fixed on the fixed plate, two ends of the lifting screw rod are respectively screwed with a nut seat, and two sides of each nut seat are respectively fixedly connected with the two sliding blocks;

embrace and press from both sides mechanism both sides and respectively set up two arm lock, four arm lock can with the vertical parallel automobile body bottom that passes of automobile body, two arm lock in wheel the place ahead can be in step and switch between contraction state and open state, two arm lock at rear equally can the synchronous switch state, contraction state is arm lock axial and the vertical parallel of automobile body, open state is arm lock axial and wheel axial parallel.

5. A wheel lift assembly as defined in claim 4 wherein: the clamping mechanism is of a rectangular frame structure and comprises clamping arm plates on two sides and lifting plates at two ends, the lifting wheels are fixed on one surface of each lifting plate, which faces a lifting slope, the positions, close to the two ends, of each clamping arm plate are respectively provided with one clamping arm, the inclined surfaces of the two sliding blocks are respectively lapped with one lifting wheel, the two lifting wheels are coaxially fixed, and the fixed shafts of the lifting wheels are fixed in an outward overhanging manner relative to the lifting plates;

the clamping arm is hinged and fixed on the clamping arm plate, and a hinged shaft of the clamping arm is in the vertical direction; clamping arm turbines are fixed on a hinged shaft of each clamping arm, each clamping arm turbine is correspondingly provided with a clamping arm worm, the clamping arm worms are respectively fixed on the clamping arm plates on two sides along the longitudinal direction of the vehicle body, the two clamping arm worms at the front end and the two clamping arm worms at the rear end are respectively connected through chains, clamping arm motors for driving the clamping arm worms at the front end and the rear end to rotate are respectively arranged on the clamping arm plates on two sides, and when the clamping arm motors rotate, the two clamping arms on two sides are synchronously contracted or opened;

the chain wheel of the chain is connected with the chain.

6. The wheel lift assembly of claim 5, wherein: the arm lock includes base and fly leaf, the one side of base orientation wheel is the inclined plane, the one end that the wheel was kept away from to the fly leaf passes through the torsional spring with the base and articulates, and the shape and the base shape of fly leaf are roughly the same, and during the torsional spring natural state, there is the clearance fly leaf and base surface, and when the fly leaf contacted the base surface, the arm lock motor stop work.

7. The wheel lift assembly of claim 5, wherein: at least one guide plate is further arranged on one surface, facing the lifting plate, of the fixed plate, the guide plates are fixed in the vertical direction, two guide rollers are respectively fixed on two sides of each guide plate, and each guide roller is of a cylindrical structure;

one side of the lifting plate facing the fixed plate is fixedly provided with two rows of guide wheels, the wheel surfaces of the guide wheels are concave surfaces matched with the guide rollers, and the two rows of guide wheels are respectively matched with the two guide rollers.

8. A wheel lift assembly as defined in claim 2, wherein: the outer side of the travelling wheel is provided with a protective sleeve, and the protective sleeve wraps two axial sides of the travelling wheel and one surface far away from the second fixing column; an anti-collision wheel positioned at the outer side of the walking wheel shaft is fixed on the protective sleeve, the axial direction of the anti-collision wheel is along the vertical direction, and the wheel surface of the anti-collision wheel exceeds the outer side surface of the first fixed column;

the walking chassis is further provided with a driving mechanism fixed on any second fixing column, the driving mechanism comprises a bearing seat and a fixing seat which are fixed on two sides of the outer end face of the second fixing column, the bearing seat and the fixing seat are located between walking wheels on two sides, a bearing and a walking motor axially parallel to the bearing are fixed on the fixing seat, the driving mechanism further comprises a transmission rod penetrating through the bearing seat and the bearing, a first gear is fixedly arranged at the output end of the walking motor, a second gear meshed with the first gear is fixed on the transmission rod, a third gear is further fixed at two ends of the transmission rod respectively, a fourth gear is fixed on a wheel shaft of each walking wheel, the fourth gear and the walking wheels are located on two sides of a protective sleeve respectively, and the third gear is meshed with the fourth gear.

9. A vehicle carrier based on the wheel lifting device of any one of claims 1 to 8, wherein: comprises two lifting devices flexibly connected along the longitudinal direction.

10. The vehicle carrier of claim 9, wherein: a connecting rod is fixed at the end part of the walking chassis of the lifting device along the longitudinal direction of the vehicle body, the connecting rods of the front and rear lifting devices are staggered in the horizontal direction, and the two connecting rods are respectively and fixedly connected with two ends of a flexible wire; the flexible wire is of a U-shaped structure with two ends facing the same direction, and the two ends of the flexible wire can change the extending length of the relative U-shaped bottom.

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