CN210973699U - Automobile lifting structure for unmanned interactive garage - Google Patents

Abstract

The utility model relates to a car haulage equipment technical field specifically is a car lifting structure for unmanned mutual garage, solves a car lifting structure self highly higher technical problem who is used for unmanned mutual garage. The device comprises a first frame and a second frame which are superposed, wherein a first connecting rod and a second connecting rod which are hinged in the middle are arranged between the first frame and the second frame, one end of the first connecting rod and one end of the second connecting rod are respectively hinged with the first frame and the second frame, and the other end of the first connecting rod and the other end of the second connecting rod are respectively connected with the second frame and the first frame in a sliding manner; the second connecting rod is also hinged with a sliding block, the first frame is also provided with a ball screw and a ball nut, the ball nut and the sliding block are fixed, one end of the ball screw is connected with an output shaft of the speed reducer through a coupler, the speed reducer is connected with a motor, and the speed reducer and the first support are fixed through a fixing support. The utility model discloses it is great to lift stroke scope, and the contraction state is small, and the whole height that lifts the structure is lower, and has great bearing capacity.

Description

Automobile lifting structure for unmanned interactive garage

Technical Field

The utility model relates to a car haulage equipment technical field specifically is a car lifting structure for unmanned mutual garage.

Background

Along with the rapid popularization and development of automobiles, the supply of urban parking spaces is seriously insufficient, the demand of the parking spaces is increasingly high, and the traditional parking mode gradually develops to an intelligent mechanical three-dimensional parking mode. The existing full-automatic stereo garage mainly comprises a plane moving type, a roadway stacking type and a vertical lifting type. The working principle of the lifting and transporting device is that the lifting and transporting device is provided with one or more transporting devices, the automobile can be lifted from the bottom of the automobile to be transported, then the transporting devices are moved to the lifter together, the lifter transports the transporting devices together with the automobile to different parking layers, and then the automobile is conveyed into a specified parking space by the transporter.

The Chinese patent with the publication number of CN2918644 discloses a stereo garage placing trolley, wherein a hydraulic cylinder in the trolley is linked with a connecting rod which is hinged with the hydraulic cylinder to realize the lifting function. The axis of the hydraulic cylinder and the connecting rod hinged with the hydraulic cylinder form an obtuse angle, the acting force of the hydraulic cylinder is decomposed, and in order to ensure that the actual acting force is enough, the volume of the hydraulic cylinder is increased to obtain enough acting force, so that the volume of the trolley is increased; in addition, to prevent jamming, the axis of the hydraulic cylinder cannot be parallel to the hinged connecting rod, resulting in increased trolley height.

Chinese patent publication No. CN104806057B discloses a vehicle carrier for a reverse-end cam type lifting stereo parking garage, which uses a reverse-end cam to lift a vehicle. In order to ensure that sufficient lifting force is separated out and self-locking is prevented, the lifting stroke of the lifting device of the reverse end face cam is limited, and the thickness of the carrier is increased when the higher lifting stroke is realized.

In other technologies, a gear rack, a worm gear and a worm or a hydraulic cylinder is directly used for lifting the vehicle, and the lifting structure height of the automobile is higher due to the fact that the structure volume of the automobile is larger under the condition of meeting the lifting height and the strength.

Therefore, the existing automobile lifting structure for the unmanned interactive garage is high in self height, and application scenes are limited in practical application.

Disclosure of Invention

The utility model provides a car lifting structure for unmanned mutual garage solves a car lifting structure self highly higher technical problem for unmanned mutual garage.

The utility model provides a basic scheme does: an automobile lifting structure for an unmanned interactive garage comprises a first frame and a second frame, wherein the second frame is stacked on the first frame, a lifting unit is arranged on the first frame and the second frame, the lifting unit comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the first frame, the other end of the first connecting rod is horizontally connected with the second frame in a sliding manner, one end of the second connecting rod is hinged with the second frame, the other end of the second connecting rod is horizontally connected with the first frame in a sliding manner, and the middle parts of the first connecting rod and the second connecting rod are hinged; the one end of second connecting rod sliding connection still articulates there is the slider, ball and the ball nut of dress on ball are still installed to first frame, ball nut and slider are fixed, ball is with motor drive.

The utility model discloses a theory of operation and advantage lie in:

the utility model provides a car lifting structure for unmanned interactive garage, includes first frame and second frame, the second frame folds on first frame, be equipped with the unit of lifting on first frame and the second frame, the unit of lifting includes first connecting rod and second connecting rod, the articulated first frame of one end of first connecting rod, the other end and second frame horizontal sliding connection, the articulated second frame of one end of second connecting rod, the other end and first frame horizontal sliding connection, the middle part of first connecting rod and second connecting rod is articulated. In the prior art, a gear rack and a worm gear are used, so that a higher space is occupied in the vertical direction, and the gear teeth bear limited load; some cams or end cams are difficult to avoid occupying higher space when meeting the requirement of longitudinal telescopic stroke; some connecting rods are hinged, but the movement of the tail end of each connecting rod is not limited, so that large friction force is generated, and large load is difficult to bear. The utility model establishes a proportional relationship between the motion stroke in the vertical direction and the distance between two end points of the two connecting rods connected with the first frame, realizes the control of the telescopic stroke in the vertical direction by utilizing the distance relationship between the end points of the two horizontal connecting rods, and is convenient for accurately controlling the lifting height; the lifting height limit generated by the two connecting rods is the longest length of the two connecting rods, namely the lifting height is higher; when the lifting structure is not lifted, the two connecting rods are in a contraction state, so that redundant space is not occupied, and the whole height of the lifting structure is favorably reduced; the two connecting rods are respectively connected with the two frames in a sliding mode, the movement stroke of the tail ends of the two connecting rods is reserved, and meanwhile longitudinal loads are borne.

The one end of second connecting rod sliding connection still articulates there is the slider, ball and the ball nut of dress on ball are still installed to first frame, ball nut and slider are fixed, ball is with motor drive. In the prior art, a gear or a turbine is used for transmitting the power of a motor, the structure volume is large, and the load bearing capacity is limited; some hydraulic cylinders are used for generating power, the size is large, a matched hydraulic station is needed, the control on the stroke is difficult to convert, the hydraulic cylinders have the defect of oil leakage inevitably, and the control quantity is difficult to control. The distance between the end points of the connecting rods is controlled by the ball screw, the movement direction is only the horizontal direction, and the lifting height is conveniently converted; the transmission between the ball screw and the ball nut can bear larger axial load, so that the smaller ball screw type is conveniently selected to reduce the structural volume, and the ball screw continuously and stably transmits power; in addition, because the ball screw is arranged in the horizontal direction, the selection of the length of the ball screw is not limited by the structure, and the required movement stroke is easily met; power comes from the motor, and the motor passes through the wire power supply, and easy to assemble and arrange, the motor passes through the reduction gear and transmits power can reduce the volume of motor.

The utility model discloses utilize two horizontally connecting rod endpoints to control the flexible stroke of vertical direction apart from the relation, the accurate control of being convenient for lifts the height to it is great to lift the stroke scope, does not occupy unnecessary space during the contraction state, does benefit to and reduces the whole height that lifts the structure, has realized that less structure volume bears great load, lifts the motion process steady, easy to assemble and arrange.

Furthermore, the lifting units are arranged in two groups, and the two groups of lifting units are symmetrically arranged on two sides of the ball screw. Two sets of connecting rods share load pressure together, balance the second connecting rod and transmit the torsional moment that load pressure produced at ball screw unilateral, strengthen overall structure intensity and life, make first frame and second frame remain parallel throughout.

Furthermore, a first rotating shaft and a first sliding shaft which are perpendicular to the first connecting rod are arranged at two ends of the first connecting rod, a second rotating shaft and a second sliding shaft which are perpendicular to the second connecting rod are arranged at two ends of the second connecting rod, and the first rotating shaft, the first sliding shaft, the second rotating shaft and the second sliding shaft are parallel to each other. The hinged connection or the sliding connection between the connecting rod and the frame is convenient to realize, so that the first rotating shaft, the second rotating shaft, the first sliding shaft and the second sliding shaft are always kept parallel, and the mutual linkage is convenient.

Furthermore, a first bearing hole is formed in the position where the first frame is hinged to the first connecting rod, a first bearing is mounted on the first rotating shaft, and the first bearing is mounted in the first bearing hole; a second bearing hole is formed in the position where the second frame is hinged to the second connecting rod, a second bearing is mounted on the second rotating shaft, and the second bearing is mounted in the second bearing hole; a first sliding groove parallel to the ball screw is formed in the first frame, a third bearing is arranged on the first sliding shaft, and the third bearing is installed in the first sliding groove; the second frame is provided with a second sliding groove parallel to the ball screw, a fourth bearing is installed on the second sliding shaft, and the fourth bearing is installed in the second sliding groove. The first sliding groove and the second sliding groove are both long circular hole-shaped grooves, and the sliding device is simple in structure, easy to machine and high in bearing capacity. Can reduce the frictional force of articulated position and sliding contact, increase of service life makes ball's direction of feed and the direction of motion of first sliding shaft and second sliding shaft parallel, and the linkage of being convenient for exerts the load pressure of vertical direction on first frame, and ball only bears axial pressure.

Further, the first connecting rod and the second connecting rod are the same in length, and the main body is in a long straight plate shape. The shape of the long straight plate can bear larger side load, the four ends of the first connecting rod and the second connecting rod are ensured to form four rectangular corners by the same length, the second frame is parallel to the ball screw, and the feeding amount of the ball screw is in direct proportion with the lifting height.

Further, the middle of the second connecting rod is provided with a third rotating shaft, the middle of the first connecting rod is provided with a third bearing hole, a fifth bearing is installed on the third rotating shaft, and the fifth bearing is installed in the third bearing hole. Can reduce hinge structure's frictional force, increase of service life can also promote the bearing capacity of first connecting rod and second connecting rod hinge position.

Furthermore, a sixth bearing hole and a seventh bearing hole are respectively formed in two positions, supporting two ends of the ball screw, on the first frame, a group of back-to-back tapered roller bearings are respectively installed at two ends of the ball screw, and the two groups of tapered roller bearings are respectively fixed in the sixth bearing hole and the seventh bearing hole. The friction force blocking the turnover of the ball screw is reduced, the axial movement of the ball screw is limited, the axial load capacity is improved, and the transmission precision is improved.

Further, the first frame and the second frame are rectangular frames assembled by two groups of symmetrical long straight plates. The long straight plate is convenient to process and assemble, low in cost and strong in lateral load capacity.

Further, the speed reducer is a planetary gear speed reducer. The planetary gear reducer has the advantages of small volume and weight, high bearing capacity, long service life, stable operation, low noise, large reduction ratio, large output torque and low cost.

Further, the motor is a servo motor. The servo motor is small in size, so that the height and the weight of the whole structure are reduced; the output power is sufficient, the response is fast, and sufficient power can be loaded in time to lift the second frame and the load thereof; the control precision is high, and the lifting height can be accurately controlled; in addition, the cost of the servo motor is low.

Drawings

Fig. 1 is the utility model relates to a car lifts structure embodiment 1's schematic structure diagram for unmanned mutual garage.

Fig. 2 is the utility model relates to a structural schematic diagram of a car lifting structure embodiment 2 for unmanned interactive garage.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a first frame 1, a second frame 2, a ball screw 3, a ball nut 4, a transparent cover 5, a sliding block 6, a first connecting rod 7, a second connecting rod 8, a fixed support 9, a speed reducer 10, a motor 11, a third connecting rod 71 and a fourth connecting rod 81.

Example 1 is substantially as shown in figure 1:

the utility model provides a car lifting structure for unmanned interactive garage, includes first frame 1 and second frame 2, second frame 2 piles up on first frame 1, be equipped with the unit of lifting on first frame 1 and the second frame 2, the unit of lifting includes first connecting rod 7 and second connecting rod 8. The first frame 1 and the second frame 2 are rectangular frames assembled by two groups of symmetrical long straight plates. The first connecting rod 7 and the second connecting rod 8 are the same in length, and the main body of the connecting rod is in a long straight plate shape. The first frame 1, the second frame 2, the first connecting rod 7 and the second connecting rod 8 are made of steel.

One end of the first connecting rod 7 is hinged with the first frame 1, the other end of the first connecting rod is horizontally and slidably connected with the second frame 2, one end of the second connecting rod 8 is hinged with the second frame 2, and the other end of the second connecting rod is horizontally and slidably connected with the first frame 1.

The two ends of the first connecting rod 7 are provided with a first rotating shaft and a first sliding shaft which are perpendicular to the first connecting rod 7, the fixing mode is welding, the two ends of the second connecting rod 8 are provided with a second rotating shaft and a second sliding shaft which are perpendicular to the second connecting rod 8, the fixing mode is welding, and the first rotating shaft, the first sliding shaft, the second rotating shaft and the second sliding shaft are parallel to each other.

A first bearing hole is formed in the position where the first frame 1 is hinged to the first connecting rod 7, a first bearing is mounted on the first rotating shaft, and the first bearing is mounted in the first bearing hole; a second bearing hole is formed in the hinged position of the second frame 2 and the second connecting rod 8, a second bearing is mounted on the second rotating shaft, and the second bearing is mounted in the second bearing hole; a horizontal first sliding groove is formed in the first frame 1, a third bearing is arranged on the first sliding shaft, and the third bearing is installed in the first sliding groove; the second frame 2 is provided with a second sliding groove parallel to the ball screw 3, the second sliding shaft is provided with a fourth bearing, and the fourth bearing is arranged in the second sliding groove. The third bearing and the fourth bearing reduce sliding friction force, increase contact radius and avoid stress concentration. The first bearing and the second bearing are double-row deep groove ball bearings and are in interference fit with the first rotating shaft and the second rotating shaft respectively and are in interference fit with the first bearing hole and the second bearing hole respectively; the third bearing and the fourth bearing are needle roller bearings, and are in interference fit with the first sliding shaft and the second sliding shaft respectively and in clearance fit with the first sliding chute and the second sliding chute.

The middle parts of the first connecting rod 7 and the second connecting rod 8 are hinged. The middle of the second connecting rod 8 is provided with a third rotating shaft perpendicular to the second connecting rod 8, the fixing mode is welding, the middle of the first connecting rod 7 is provided with a third bearing hole, a fifth bearing is installed on the third rotating shaft, and the fifth bearing is installed in the third bearing hole. The third rotation axis is perpendicular to the second link 8 and the third bearing hole is perpendicular to the first link 7. The fifth bearing is a double-row deep groove ball bearing, is in interference fit with the third bearing hole and the third rotating shaft, and can bear larger torsional moment.

The one end of 8 sliding connection of second connecting rods still articulates there is slider 6, ball 3 and ball nut 4 of installing on ball 3 are still installed to first frame 1, ball nut 4 and slider 6 are fixed, and ball 3 stretches out the one end of first frame 1 and installs shaft coupling, reduction gear 10, fixed bolster 9 and motor 11, the output shaft of shaft coupling ball 3 and reduction gear 10, reduction gear 10 connects motor 11, fix with the fix with screw between the one end of fixed bolster 9 and the reduction gear 10, fix with the bolt between the other end and the first frame 1. The slider 6 is cylindrical, the plane that is used for fixed ball nut 4 is milled to the circumference surface, and cylindrical material acquires easily, processes simply, and compact, bears the radial vector moment ability that changes the direction stronger. The ball nut 4 and the slide block 6 are fixed by bolts. One end of the coupler is connected with the ball screw 3 through a key, and the other end of the coupler is connected with an output shaft of the speed reducer 10 through a key. The fixed support 9 is of a hollow tetrahedral structure. The speed reducer 10 and the motor 11 are fixed by bolts, and a motor shaft of the motor 11 is connected with an input shaft of the speed reducer 10 by a key. The speed reducer 10 is a planetary gear speed reducer 10, and the motor 11 is a servo motor.

The second connecting rod 8 is further provided with a fourth rotating shaft, the fourth rotating shaft is located on the back face, opposite to the second sliding shaft, of the second connecting rod 8, the fourth rotating shaft and the second sliding shaft are coaxial, and the fixing mode is welding. Still install the eighth bearing in the fourth axis of rotation, the interior circle and the fourth axis of rotation interference fit of eighth bearing, the side of slider 6 and the 8 articulated positions of second connecting rod still are equipped with the fourth mounting hole, the excircle interference fit of fourth mounting hole and eighth bearing. The eighth bearing is a needle bearing.

And a sixth bearing hole and a seventh bearing hole are respectively formed in two positions of the first frame 1, which support two ends of the ball screw 3, a group of back-to-back tapered roller bearings are respectively installed at two ends of the ball screw 3, and the two groups of tapered roller bearings are respectively fixed in the sixth bearing hole and the seventh bearing hole. Transparent covers 5 are further arranged at two positions on the first frame 1, which support two ends of the ball screw 3, and each transparent cover 5 comprises a first transparent cover 5 and a second transparent cover 5; the first transparent cover 5 is arranged on the outer wall of a sixth bearing hole on the first frame 1, the second transparent cover 5 is arranged on the outer wall of a seventh bearing hole on the first frame 1, and the first transparent cover 5 and the second transparent cover 5 are oppositely arranged; the first transparent cover 5 and the second transparent cover 5 are fixed with the first frame 1 by screws.

The lifting process is that servo motor drives ball screw 3 to rotate, ball screw 3 pushes ball nut 4 and slider 6, slider 6 pushes second connecting rod 8, first connecting rod 7 and second connecting rod 8 rotate under the restraint of each kinematic pair, when shortening the interval of first axis of rotation and second slip axle, increase the interval of second axis of rotation and first slip axle, second axis of rotation and first slip axle promote second frame 2 in the vertical direction and realize lifting, realize that first frame 1 descends during servo motor counter-rotation.

The structure of this embodiment is small, and light in weight can accurate control lift the height to lift stroke scope great, not occupy unnecessary space during the shrink state, do benefit to and reduce the whole height that lifts the structure, realized that less structure volume bears great load, lift the motion process steady, easy to assemble and arrange.

Example 2 is substantially as shown in figure 2:

the embodiment 2 is different from the embodiment 1 in that two sets of lifting units are provided, and the two sets of lifting units are symmetrically arranged on two sides of the ball screw 3. The links in the added lifting unit are a third link 71 and a fourth link 81. The two groups of connecting rods share load pressure together, the fourth connecting rod 81 balances the torsion moment generated by the second connecting rod 8 at the single side of the ball screw 3 for transmitting the load pressure, the overall structural strength is enhanced, the service life is prolonged, and the first frame 1 and the second frame 2 are always kept parallel.

This embodiment possesses stronger load-carrying capacity, and ball 3 only bears axial load, and life is longer, can accurate control lift height to lift stroke range great, not occupy unnecessary space during the contraction state, do benefit to and reduce the whole height that lifts the structure, realized that less structure volume bears great load, lift motion process steadily, easy to assemble and arrange.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a car lifting structure for unmanned mutual garage which characterized in that: the lifting device comprises a first frame and a second frame, wherein the second frame is stacked on the first frame, lifting units are arranged on the first frame and the second frame, each lifting unit comprises a first connecting rod and a second connecting rod, one end of each first connecting rod is hinged to the first frame, the other end of each first connecting rod is horizontally and slidably connected with the second frame, one end of each second connecting rod is hinged to the second frame, the other end of each second connecting rod is horizontally and slidably connected with the first frame, and the middle parts of the first connecting rods and the second connecting rods are hinged; the one end of second connecting rod sliding connection still articulates there is the slider, ball and the ball nut of dress on ball are still installed to first frame, ball nut and slider are fixed, ball is with motor drive.

2. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the two groups of lifting units are symmetrically arranged on two sides of the ball screw.

3. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the two ends of the first connecting rod are provided with a first rotating shaft and a first sliding shaft which are perpendicular to the first connecting rod, the two ends of the second connecting rod are provided with a second rotating shaft and a second sliding shaft which are perpendicular to the second connecting rod, and the first rotating shaft, the first sliding shaft, the second rotating shaft and the second sliding shaft are parallel to each other.

4. The vehicle lifting structure for the unmanned interactive garage of claim 3, wherein: a first bearing hole is formed in the position where the first frame is hinged to the first connecting rod, a first bearing is mounted on the first rotating shaft, and the first bearing is mounted in the first bearing hole; a second bearing hole is formed in the position where the second frame is hinged to the second connecting rod, a second bearing is mounted on the second rotating shaft, and the second bearing is mounted in the second bearing hole; a first sliding groove parallel to the ball screw is formed in the first frame, a third bearing is arranged on the first sliding shaft, and the third bearing is installed in the first sliding groove; the second frame is provided with a second sliding groove parallel to the ball screw, a fourth bearing is installed on the second sliding shaft, and the fourth bearing is installed in the second sliding groove.

5. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the length of the first connecting rod is the same as that of the second connecting rod, and the main body is in a long straight plate shape.

6. The vehicle lifting structure for the unmanned interactive garage of claim 5, wherein: the middle of the second connecting rod is provided with a third rotating shaft, the middle of the first connecting rod is provided with a third bearing hole, a fifth bearing is installed on the third rotating shaft, and the fifth bearing is installed in the third bearing hole.

7. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: and a sixth bearing hole and a seventh bearing hole are respectively formed in two positions of the first frame, which support two ends of the ball screw, a group of back-to-back tapered roller bearings are respectively installed at two ends of the ball screw, and the two groups of tapered roller bearings are respectively fixed in the sixth bearing hole and the seventh bearing hole.

8. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the first frame and the second frame are both rectangular frames assembled by two groups of symmetrical long straight plates.

9. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the ball screw stretches out one end of the first frame and is provided with a speed reducer, and the speed reducer is a planetary gear speed reducer.

10. The vehicle lifting structure for the unmanned interactive garage of claim 1, wherein: the motor is a servo motor.

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