CN217708748U

CN217708748U - Self-tracing lifting device with support frame

Info

Publication number: CN217708748U
Application number: CN202121447640.9U
Authority: CN
Inventors: 陈维加
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-11-01
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a self-tracing lifting device with a supporting frame, which comprises a walking mechanism and a lifting mechanism, wherein the walking mechanism comprises an AGV trolley; the automatic lifting mechanism is characterized in that the lifting mechanism comprises a support frame and a lifting block connected with the support frame through a lifting driving device, two wheel support rods are fixed on the lifting block, and the lifting driving device is connected with an automatic controller in an AGV trolley so as to drive the lifting block to lift; wherein: the support frame is arranged on the AGV trolley body in a floating manner, or is rigidly fixed or integrally arranged on the trolley body, and the travelling wheels are arranged at the bottom of the trolley body in a floating manner; when the lifting mechanism does not lift, the bottom of the support frame is suspended, and when the lifting mechanism lifts, the bottom of the support frame lands to provide support for lifting of the lifting block. The utility model discloses can put in at anytime and anywhere and implement the place of maintenance, maintenance or trade the electricity to the car, a plurality of combinations use the back and carry out the lifting to the vehicle automatically, and it is nimble convenient to use, bears reliable and stable, and work efficiency is high.

Description

Self-tracing lifting device with support frame

Technical Field

The utility model relates to a take self-tracing lifting device of support frame.

Background

With the popularization of automobiles, in order to solve the problem of changing oil into electricity of the automobiles, the current solution is to adopt a mode of replacing batteries. Various types of battery replacing vehicles are released by part of the existing vehicle enterprises, and batteries of the types of battery replacing vehicles are usually arranged on a bottom frame of a vehicle, so that the operation is carried out from the bottom of the vehicle when the batteries are replaced, namely, the vehicle is lifted through facilities, the bottom frame is suspended, and then mechanical arms or operation trolleys are sent to the lower part of the frame to load and unload the batteries.

At present, the power station for replacing the automobile battery on the market is mainly divided into two facilities, namely a trench and a fixed lifting frame, as well as the original facility for maintaining and repairing the common automobile, wherein the two facilities are technically mature, but still have the following defects:

1. the dependence on the field is too strong, the occupied area is large, and the use is not flexible; since the trench or the fixed lifting frame is a ground fixed facility, the battery charging and storage and transportation facilities matched with the battery charging and storage and transportation facilities in the battery replacement station can only be built and bound with each other integrally, so that a relatively open field is required, and the trench or the fixed lifting frame is not suitable for being built in city centers with crowded traffic and short land or narrow underground garages and other areas.

2. Known fixed lifting frame often comprises a series of complicated and accurate mechanisms, cooperates together to accomplish a series of actions such as counterpoint, locking and lifting to the car, and overall structure is complicated, in case install on the spot accomplish just difficult dismantlement again and shift, needs professional to install, debug, and the price is expensive, and the equipment maintenance cost is high. Moreover, one set of mechanism only serves one automobile with a single specification, the application range is very limited, and the high-density layout cannot be realized due to the huge investment of the battery replacement station integrating part of automobiles and enterprises.

3. The inside only corresponds a motorcycle type usually of current power station of trading, does not have wheel base and wheel base problem when consequently the lifting counterpoint, if the demand of trading of all vehicles of will adapting to, the lifting device must increase a set of complicated mechanical structure and adapt to wheel base and wheel base, even if so still propose the accurate fixed station that can only stop into to the driver of fairly high driving technical requirement. For some drivers who are not skilled in driving technology, certain inconvenience is brought, so that the power changing fields need to be configured with professionals or adopt full-automatic parking systems, and consequently, the power changing efficiency is reduced.

The AGV dolly is the comparatively ripe haulage equipment that bears of present industry occasion application, and it has can remove by oneself and the characteristics of small and exquisite structure, carries on the lift drive arrangement who installs the high accuracy on the AGV dolly in the present trade, and the lifting is implemented to whole immigration car bottom. However, this kind of lifting device is limited to the lifting and moving of the vehicle, and cannot be used for replacing the battery or repairing the bottom of the vehicle, and has the following disadvantages:

1. the AGV dolly of present lifting device need remove to the frame bottom to the vehicle lifting operation, and itself and the lift drive device on it just occupied the activity space of the operation dolly that is used for next trading electricity and arm, leads to unable trading electricity.

2. If design according to present fork truck structure and trade the AGV dolly for electric, then AGV dolly self must bear the weight of car, and the AGV dolly is after holding up the vehicle simultaneously, and its bottom walking wheel also difficult avoid producing unstable removal, consequently need dispose the AGV dolly of very big load.

3. Because the forces in all directions of the bottom of the vehicle need to be borne and balanced, a supporting and balancing and stabilizing mechanism needs to be additionally arranged on the AGV trolley to provide stable supporting force, so that the whole mechanism of the lifting device is complex, the operation is inconvenient, and the manufacturing cost and the maintenance cost are relatively high.

Therefore, at present, no application precedent that the AGV trolley is used as a vehicle lifting tool exists in the field of automobile battery replacement is provided.

Disclosure of Invention

The utility model discloses the purpose is: the utility model provides a take self-tracing lifting device of support frame, it can be put in at anytime and anywhere and carry out the place of maintenance, maintenance or trade the electricity to the car, and a plurality of combinations use the back and carry out the lifting to the vehicle automatically, and it is nimble convenient to use, bears reliable and stable, and work efficiency is high.

The technical scheme of the utility model is that: a self-tracing lifting device with a support frame comprises a travelling mechanism and a lifting mechanism, wherein the travelling mechanism comprises an AGV trolley; the automatic lifting mechanism is characterized in that the lifting mechanism comprises a support frame and a lifting block connected to the support frame through a lifting driving device, two wheel support rods used for supporting wheels of an automobile are fixed on the lifting block, and the lifting driving device is connected with an automatic controller in the AGV trolley and used for driving the lifting block to lift relative to the support frame; wherein:

the supporting frame is arranged on the body of the AGV trolley in a floating mode, the bottom of the supporting frame is suspended when the lifting mechanism does not lift, and the bottom of the supporting frame lands when the lifting mechanism lifts to provide support for lifting of the lifting block;

or the support frame is rigidly fixed or integrally arranged on the AGV trolley, the walking wheels are arranged at the bottom of the AGV trolley in a floating mode, the bottom of the support frame is suspended when the lifting mechanism does not lift, and the bottom of the support frame lands when the lifting mechanism lifts, so that support is provided for lifting of the lifting block.

Furthermore, in the utility model, the body of the AGV trolley is provided with a plurality of damping springs which are connected with and support the support frame, so that the support frame is arranged on the body of the AGV trolley in a floating manner;

when the lifting mechanism does not lift, the support frame is supported and lifted through the damping spring, so that the bottom of the support frame is suspended, and when the lifting mechanism lifts, the weight of the automobile compresses the damping spring, so that the bottom of the support frame touches the ground, and support is provided for lifting of the lifting block;

the walking wheels are arranged at the bottom of the vehicle body in a floating mode, namely, wheel shafts of the walking wheels or wheel shaft supporting frames are connected through damping springs and support the vehicle body;

when the lifting mechanism does not lift, the vehicle body and the support frame on the vehicle body are supported and supported through the damping springs, so that the bottom of the support frame is suspended, and when the lifting mechanism lifts, the weight of the vehicle compresses the damping springs, so that the bottom of the support frame lands, and support is provided for lifting of the lifting block.

Furthermore, in the utility model discloses in the preferred mecanum wheel of walking wheel.

Furthermore, the utility model discloses in install the guide mechanism that the guide and restriction lifting piece can only the relative support frame goes up and down between lifting piece and the support frame.

Furthermore, in the present invention, the supporting frame is provided with a plurality of vertical guide rods, the lifting block is provided with a plurality of guide sleeves matched with the guide rods, and the guide rods and the guide sleeves jointly form the guiding mechanism; or the support frame is provided with vertical guide grooves symmetrically positioned at two sides of the lifting block, two rows of guide rollers are arranged on the lifting block corresponding to the vertical guide grooves at each side, the two rows of guide rollers are respectively propped against two vertical opposite sides in the corresponding vertical guide grooves, and the vertical guide grooves and the guide rollers form the guide mechanism. Of course, the guiding mechanism is not exhaustive, and may be any other known guiding and limiting mechanism.

Further, in the present invention, the lifting driving device is an electric screw, a telescopic motor, a cylinder or an oil cylinder.

Furthermore, in the utility model, the lifting driving device is fixed on the lifting block or integrated with the lifting block, and the movable end of the lifting driving device is connected with the supporting frame; when the lifting driving device works, the lifting driving device is driven to lift together with the lifting block relative to the supporting frame through the reaction force applied to the supporting frame by the movable end. The lifting mode can make full use of the support frame to provide stable support and provide larger lifting force.

Further, the utility model discloses in the AGV dolly is prior art, can adopt the mature microwave guided AGV dolly of prior art or vision guided AGV dolly.

If the microwave guided AGV trolley is adopted, a microwave transceiver is installed on the AGV trolley, the automatic controller in the AGV trolley calculates the current position and the movement direction of a vehicle by receiving a microwave signal fed back by the environment, and the position is corrected by comparing the position with the built-in vehicle and environment information, so that the automatic movement is realized, the position of the vehicle to be maintained or changed is finally reached, and the vehicle is stopped at the position of a wheel to be lifted, and the next lifting operation is implemented.

The vision guiding type AGV is provided with a CCD camera and a sensor, and an automatic controller in the AGV is provided with an image database of the surrounding environment of the path to be driven of the AGV. In the running process of the AGV trolley, the CCD camera dynamically acquires information of the vehicle and image information of the surrounding environment and compares the information with the image database, so that the current position is determined, a decision is made for the next step of running, the current position finally reaches the position where the vehicle to be maintained or powered up is located, and the vehicle stops at the position of the wheel to be lifted, and therefore the next lifting operation can be carried out.

Further, the utility model discloses in it has the extension landing leg with this wheel die-pin syntropy to correspond every wheel die-pin shaping on the support frame, should extend the landing leg and together stretch into with the wheel die-pin wheel bottom, when the wheel die-pin drives the lifting wheel by the lifting piece, extend the landing leg and support in ground.

The utility model discloses during the specific use, can confirm according to the wheel quantity of the vehicle of required lifting and put in quantity, a plurality of combination use. For example, to the maintenance of common four-wheel automobile, maintain or trade the electricity, we can put in four the utility model discloses cooperate the completion lifting operation jointly. The lifting driving device in the self-tracking lifting device with the supporting frame can give a control signal to the AGV car through a manual or AI controller, and the AGV car is driven to synchronously work to lift the car. Certainly, a synchronous controller for controlling the lifting driving devices in the four self-tracing lifting devices with the supporting frames to synchronously work can also be adopted, the synchronous controller is connected with the automatic controllers in the four AGV trolleys in a wired or wireless mode and is used for receiving positioning signals sent by the four AGV trolleys, and after the positioning signals are completely received, the lifting signals are sent out to drive the four lifting driving devices to synchronously work to lift the automobile. The synchronous controller is usually an existing PLC controller.

The utility model has the advantages as follows:

1. the utility model discloses use freely nimble, do not receive place and space limitation, when being applied to the trade electric field of car, can put in nearby and charge and the supporting use in storage and transportation facility near supporting battery to make the trade power station of swift formula can assemble and establish in areas such as city center or underground garage that traffic is crowded, the soil is short of, very big has widened the application area that swift formula trades the power station, makes things convenient for its high density overall arrangement more, and then promotes electric automobile's popularization.

2. When the utility model is used, the AGV car does not rely on the car to align, but the AGV car aligns to find the position of the car wheel; compare present trench or fixed lifting frame and do not have the strict fixed station that the vehicle that needs to wait to trade electricity, maintain or maintain drove into, do not need too high to driver's driving technical requirement, can effectively improve the operating efficiency to when auto repair, maintenance and trade the electricity.

3. Because the utility model discloses go to the counterpoint by the AGV dolly and look for the wheel position who trades electric vehicle, the automatic wheel base and the wheel base that adapt to when trading electric vehicle, consequently the lifting demand when extensively adapting to various motorcycle types and trading the electricity. And compare and make complicated mechanical counterpoint mechanism and adapt to wheel base and wheel base, the utility model discloses obviously the structure is simpler, uses also more nimble convenience.

4. The utility model discloses a plurality of combinations use synchronous lifting auto wheel, and then lift up the vehicle is whole, compares and bears the vehicle by single AGV dolly, and its bearing capacity is better, can also provide more reliable and stable support for the heavier vehicle of weight. When the lifting device is designed, the special support frame is arranged to provide support for lifting of the lifting block, the walking wheels at the bottom of the AGV trolley are not used for bearing the weight of an automobile completely during lifting, unstable movement of the walking wheels at the bottom of the AGV trolley is avoided, and the bearing is more stable and reliable; meanwhile, a single AGV does not need to be configured under a large load, so that the structure can be simplified, and the cost is saved.

5. The utility model discloses at the during operation, directly stretch into the wheel bottom through two anterior wheel die-pins of lifting piece, with its fork and then the lifting vehicle, AGV dolly itself need not remove the bottom of vehicle, therefore vehicle bottom clearance region can vacate completely, makes things convenient for follow-up arm and operation dolly to get into to trade the electricity, can not form with it and interfere, especially is fit for being applied to swift formula and trades the station and implement supporting and trade the electricity.

6. The utility model discloses simple structure, it is convenient to manipulate, so manufacturing and maintenance cost are all lower.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a front view (non-lifted operation state) of embodiment 1 of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic perspective view of FIG. 1;

FIG. 4 is a schematic illustration of the individual isometric configuration of the AGV cart and the community of supports (all in one design) of example 1;

fig. 5 is a schematic view of the combined use state of embodiment 1 (top view, four combined use lifting electric vehicles);

FIG. 6 is a front view of FIG. 5 in an initial state of lifting;

FIG. 7 is a left side view of FIG. 5 in an initial state of lifting;

FIG. 8 is a front view of FIG. 5 in a raised, finished condition;

FIG. 9 is a left side view of FIG. 5 in a raised, finished condition;

FIG. 10 is a schematic view showing a state change during the wheel lifting in embodiment 1;

fig. 11 is a front view (not lifted up operation state) of embodiment 2 of the present invention;

FIG. 12 is a left side view of FIG. 11;

FIG. 13 is a schematic perspective view of FIG. 11;

FIG. 14 is an illustration of the AGV cart and support rack assembly of example 2;

fig. 15 is a schematic diagram showing the state change of embodiment 2 during the wheel lifting process.

As shown in the figure: 1. an AGV trolley; 1a, a vehicle body; 1b, traveling wheels; 2. a support frame; 3. a lift drive device; 4. lifting the block; 5. a wheel carrier bar; 6. an automobile; 7. a wheel; 8. a damping spring; 9. a vertical guide groove; 10. a guide roller; 11. an extension leg; 12. a top plate; 13. erecting a rod; 14. a transverse stiffener; 15. a T-shaped block; 16. a bottom side link; 17. a bottom transverse connecting rod; 18. a bottom pallet.

Detailed Description

Example 1: the following describes a specific embodiment of the self-tracing lifting device with a supporting frame according to the present invention with reference to fig. 1 to 10:

firstly, as shown in fig. 1 to 4, the self-tracing lifting device with the supporting frame is composed of a travelling mechanism and a lifting mechanism, wherein the travelling mechanism is an AGV trolley 1, the lifting mechanism is composed of a supporting frame 2, a lifting driving device 3, a lifting block 4 and two wheel support rods 5 fixed at the front part of the lifting block 4, and the two wheel support rods 5 are arranged in parallel and horizontally and used for extending to the bottoms of wheels 7 of an automobile 6 to lift the wheels 7.

AGV dolly 1 comprises flat automobile body 1a and four walking wheels 1b of installing in automobile body 1a bottom, and a characteristics of this embodiment in the design lie in: AGV dolly 1 adopts integrative design with support frame 2, and four walking wheels 1b of automobile body 1a bottom all adopt floating installation simultaneously. In addition, the walking wheels 1b in the embodiment are all the existing Mecanum wheels, so that universal movement is facilitated.

As shown in fig. 4, the supporting frame 2 in this embodiment is a rectangular parallelepiped frame, and a main body of the supporting frame is composed of a top plate 12, four vertical rods 13 fixed to the bottom of the top plate 12 and distributed in a rectangular shape, a transverse reinforcing rod 14, and two T-shaped blocks 15. The four upright posts 13 are divided into a left pair and a right pair, the bottoms of the two upright posts 13 in each pair are fixedly connected through the corresponding T-shaped blocks 15, and the middle parts of the two upright posts 13 in the front part of the rectangular frame are fixedly connected through the transverse reinforcing rods 14. The two T-shaped blocks 15 are symmetrically arranged on two sides of the body 1a of the AGV trolley 1 and are integrally formed with the body 1a. In this embodiment, two walking wheels 1b are installed at the bottom of each T-shaped block 15. As shown in fig. 1 to 4, an axle support frame (not labeled) is disposed corresponding to the axle of each road wheel 1b for supporting the axle, and the axle support frame is connected to the bottom of the corresponding T-shaped block 15 through a damping spring 8, so as to support the vehicle body 1a in a floating manner. When the lifting mechanism does not perform lifting operation and the AGV trolley 1 can freely walk, the bottoms of the four upright posts 13 of the support frame 2 are in a suspended state and do not contact the ground, as shown in fig. 1.

Referring to fig. 1 to 4, the lifting block 4 is located inside the rectangular frame. In this embodiment, each wheel support rod 5 extending from the bottom of the rectangular parallelepiped frame corresponding to the lifting block 4 is formed with an extending leg 11 in the same direction as the wheel support rod 5.

In this embodiment, the lifting driving device 3 is a telescopic motor, and is fixed on the inner side of the lifting block 4, and shares a shell with the lifting block 4, and the telescopic rod of the telescopic motor, namely the movable end, extends out of the top of the shell of the lifting block 4, and is riveted with the top plate 12 of the support frame 2, so that the connection with the support frame 2 is realized.

Referring to fig. 1 to 4, in this embodiment, a guide mechanism is installed between the lifting block 4 and the supporting frame 2 to guide and limit the lifting block 4 to be lifted relative to the supporting frame 2. The guide mechanism is specifically as follows:

support frame 2 adopts the cuboid frame as above-mentioned in this embodiment, all forms perpendicular guide way 9 between every pair of two pole settings 13 about it, and corresponds every side perpendicular guide way 9 on the shell of lifting piece 4 and all installs two rows of guide rollers 10, and these two rows of guide rollers 10 offset with two pole settings 13 of corresponding perpendicular guide way 9, and every row of guide rollers 10's quantity is two.

The telescopic motor is connected with an automatic controller inside the AGV trolley 1 and used for driving the lifting block 4 to lift relative to the support frame 2, and the support frame 2 supports the ground to provide support for the lifting block 4 to lift. When the telescopic motor works, the self-body of the telescopic motor is lifted or lowered together with the lifting block 4 by the counterforce applied to the support frame 2 through the movable end.

The operation principle of the present invention will be described below with reference to fig. 5 to 10 by illustrating a specific application example of the present invention. Specifically, through four the utility model discloses a take self-tracing lifting device combination of support frame to use and implement the lifting to car 6, this kind of car 6 is the electric automobile of battery is changed to a bottom, and the lifting is in order to implement the change operation to its bottom battery. In order to enable the four lifting driving devices in the self-tracing lifting device with the supporting frame to work synchronously, a synchronous controller which is a PLC controller is arranged in the battery replacement station and is wirelessly connected with automatic controllers in the four AGV trolleys 1 and is used for receiving positioning signals sent by the four AGV trolleys 1, and when the positioning signals are all received, the lifting signals are sent out to drive the four lifting driving devices 3 to work synchronously to lift the automobile 6.

When the car 6 travels into the power conversion parking area in the power conversion station, four traveling mechanisms with supports and self-tracing lifting devices, namely, the AGV trolley 1 starts to translate, in this embodiment, the AGV trolley 1 adopts a known visual guidance AGV trolley, a CCD camera and a sensor are mounted on the AGV trolley 1, and an automatic controller in the AGV trolley 1 is provided with an image database of the surrounding environment of the path to be traveled by the AGV trolley. In the running process of the AGV trolley 1, the CCD camera dynamically acquires vehicle information and surrounding environment image information and compares the vehicle information and the surrounding environment image information with an image database, so that the current position is determined, a decision is made on the next step of running, and finally the position where the battery replacing vehicle is located is reached and the vehicle is stopped at the position of a wheel 7 which needs to be lifted respectively.

As shown in fig. 7 and 10, the AGV cart 1 with the self-tracking lifting device of the supporting rack is then controlled by the internal automatic controller to advance toward the wheels 7 until the two wheel brackets 5 at the front end of the AGV cart are inserted under the wheels 7, and the AGV cart is completely positioned. Two extending legs 11 extend into the bottom of the wheel 7 together with the wheel supporting rod 5.

At this moment, the utility model discloses be in lifting initial state, the lifting piece 4 of its lifting mechanism still is located the bottom, and support frame 2 is supported and breaks away from ground by damping spring 8 on the walking wheel 1b, as shown in fig. 6, fig. 7 and fig. 10.

After the AGV trolleys 1 are in place, the AGV trolleys send out in-place signals to the synchronous controller, when the synchronous controller receives in-place signals sent by all four AGV trolleys 1, the synchronous controller sends out lifting signals to the automatic controller of each AGV trolley 1, and the four telescopic motors are driven to synchronously work to lift the automobile 6.

The telescopic motor runs under the driving of the internal automatic controller, so that the lifting block 4 is lifted relative to the support frame 2, the corresponding wheels 7 are lifted, the support frame 2 is lowered until the bottom of the support frame supports against the ground due to the fact that the weight of the automobile 6 compresses the damping spring 8 in the lifting process, meanwhile, the extension supporting legs 11 also support against the ground, and as shown in the combined drawings of 8-10, stable and reliable support is provided for lifting. Under the combined action of the four lifting mechanisms of the self-tracking lifting device with the support frame, the whole vehicle is lifted to a certain height. The utility model discloses when being in the lifting and accomplishing the state, the lifting piece 4 of its lifting mechanism reachs the upper portion of support frame 2, as shown in fig. 8~ 10.

After the automobile 6 finishes replacing the power, four telescopic motors of the lifting mechanism of the self-tracing lifting device with the support frame work, so that the lifting block 4 is lowered relative to the support frame 2, after the lifting block 4 is lowered to the bottom, the AGV trolley 1 is retreated, the wheel supporting rod 5 is pulled out from the bottom of the wheel 7, and the bottom of the support frame 2 is suspended again due to the fact that the gravity of the automobile 6 is removed.

Of course, the present embodiment can also be applied to a lifting vehicle for repairing and maintaining an automobile, except for replacing the battery of the automobile.

Example 2: with reference to fig. 11 to 15, for another specific embodiment of the present invention, it is the same as embodiment 1 in its entirety, and also comprises a traveling mechanism and a lifting mechanism, wherein the traveling mechanism is an AGV carriage 1, and the lifting mechanism comprises a support frame 2, a lifting driving device 3, a lifting block 4, and two wheel support rods 5 fixed on the front portion of the lifting block 4, and the two wheel support rods 5 are parallel and horizontally disposed and used for extending to the bottom of the wheel 7 of the car 6 to lift the wheel 7.

AGV dolly 1 comprises flat automobile body 1a and a plurality of walking wheels 1b of installing in automobile body 1a bottom, and the design of this embodiment is different from embodiment 1's a characteristics and lies in: the AGV trolley 1 and the support frame 2 adopt a split design, and the support frame 2 is arranged on the body 1a of the AGV trolley 1 in a floating manner.

Specifically, as shown in fig. 11 to 14, the supporting frame 2 in this embodiment is also a rectangular frame, and a main body of the supporting frame is composed of a top plate 12, four vertical rods 13 fixed to the bottom of the top plate 12 and distributed in a rectangular shape, a transverse reinforcing rod 14, a bottom side connecting rod 16, a bottom transverse connecting rod 17, and two bottom surface supporting plates 18. The four upright posts 13 are divided into a left pair and a right pair, the bottoms of the two upright posts 13 in each pair are fixedly connected through the corresponding side connecting rods 16 at the bottom, the middle parts of the two upright posts 13 at the front part of the rectangular frame are fixedly connected through the transverse reinforcing rods 14, and the bottoms of the two upright posts 13 at the rear part are fixedly connected through the transverse connecting rods 17 at the bottom.

Specifically, as shown in fig. 14, two bottom pallets 18 are fixedly connected between the two bottom side links 16. In the present embodiment, a total of four damping springs 8 are disposed on the top of the body 1a of the AGV 1, and are respectively and correspondingly connected to and supported by two bottom side connecting rods 16 and two bottom surface supporting plates 18, so as to ensure that the body 1a of the AGV 1 floatingly supports the entire supporting frame 2.

As shown in fig. 15, when the lifting mechanism does not perform lifting operation and the AGV cart 1 can freely travel, the bottoms of the four vertical rods 13 of the supporting frame 2 are suspended and do not contact the ground. When the lifting mechanism performs lifting operation and the wheel 7 is lifted by the wheel support rod 5, the support frame 2 is pressed down due to the weight of the automobile 6, so that the bottoms of the four upright rods 13 are supported on the ground.

As shown in fig. 11 to 14, the lifting block 4 is still located inside the rectangular parallelepiped frame in this embodiment. And the bottom of the cuboid frame is provided with an extension leg 11 which is in the same direction with each wheel support rod 5 extending from the corresponding lifting block 4.

In this embodiment, the lifting driving device 3 is a telescopic motor, and is fixed on the inner side of the lifting block 4, and shares a housing with the lifting block 4, and the telescopic rod of the telescopic motor, namely the movable end, extends out of the top of the housing of the lifting block 4, and is riveted with the top plate 12 of the support frame 2, so that the connection with the support frame 2 is realized. And a guide mechanism which guides and limits the lifting block 4 to only lift relative to the support frame 2 is arranged between the lifting block 4 and the support frame 2. The guide mechanism is specifically as follows:

The telescopic motor is connected with an automatic controller inside the AGV trolley 1 and used for driving the lifting block 4 to lift relative to the support frame 2, and the support frame 2 supports on the ground to provide support for the lifting block 4 to lift. When the telescopic motor works, the self-body lifting block 4 of the telescopic motor is integrally and simultaneously lifted or lowered by the counterforce applied to the support frame 2 through the movable end.

The specific working principle and application example of the present embodiment can be referred to the description in embodiment 1, and are not described in detail here.

The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A self-tracing lifting device with a support frame comprises a travelling mechanism and a lifting mechanism, wherein the travelling mechanism comprises an AGV trolley (1); the automatic lifting mechanism is characterized in that the lifting mechanism comprises a support frame (2) and a lifting block (4) connected onto the support frame (2) through a lifting driving device (3), two wheel support rods (5) used for supporting wheels (7) of an automobile (6) are fixed on the lifting block (4), and the lifting driving device (3) is connected with an automatic controller inside an AGV trolley (1) and used for driving the lifting block (4) to lift relative to the support frame (2); wherein:

the supporting frame (2) is arranged on a vehicle body (1 a) of the AGV trolley (1) in a floating mode, the bottom of the supporting frame (2) is suspended when the lifting mechanism does not lift, and the bottom of the supporting frame (2) lands to support lifting of the lifting block (4) when the lifting mechanism lifts;

or the support frame (2) is rigidly fixed or integrally arranged on a vehicle body (1 a) of the AGV trolley (1), the bottom of the vehicle body (1 a) is provided with walking wheels (1 b) in a floating mode, when the lifting mechanism does not lift, the bottom of the support frame (2) is suspended in the air, when the lifting mechanism lifts, the bottom of the support frame (2) lands to support the lifting of the lifting block (4);

the AGV trolley (1) is a microwave guided AGV trolley or a visual guided AGV trolley.

2. The self-tracking lifting device with the supporting frame is characterized in that a plurality of damping springs (8) which are connected with and support the supporting frame (2) are arranged on a body (1 a) of the AGV trolley (1), so that the supporting frame (2) is arranged on the body (1 a) of the AGV trolley (1) in a floating mode;

when the lifting mechanism does not lift, the support frame (2) is supported and supported through the damping spring (8), so that the bottom of the support frame (2) is suspended, and when the lifting mechanism lifts, the weight of the automobile (6) compresses the damping spring (8), so that the bottom of the support frame (2) lands, and support is provided for lifting of the lifting block (4);

the walking wheels (1 b) are arranged at the bottom of the vehicle body (1 a) in a floating manner, namely, wheel shafts or wheel shaft supporting frames of the walking wheels (1 b) are connected with and support the vehicle body (1 a) through damping springs (8);

and when the lifting mechanism is not lifted, the vehicle body (1 a) and the support frame (2) on the vehicle body are supported and supported through the damping springs (8), so that the bottom of the support frame (2) is suspended, and when the lifting mechanism is lifted, the weight of the vehicle (6) compresses the damping springs (8), so that the bottom of the support frame (2) is grounded, and support is provided for the lifting of the lifting block (4).

3. The self-tracking lifting device with supporting frame as claimed in claim 1, wherein the travelling wheels (1 b) are Mecanum wheels.

4. The self-tracking lifting device with the supporting frame as claimed in claim 1, wherein a guiding mechanism is installed between the lifting block (4) and the supporting frame (2) for guiding and limiting the lifting block (4) to lift relative to the supporting frame (2).

5. The self-tracking lifting device with the supporting frame is characterized in that a plurality of vertical guide rods are arranged on the supporting frame (2), a plurality of guide sleeves matched with the guide rods are arranged on the lifting block (4), and the guide rods and the guide sleeves jointly form the guide mechanism; or, the supporting frame (2) is provided with vertical guide grooves (9) symmetrically positioned at two sides of the lifting block (4), two rows of guide rollers (10) are arranged on the lifting block (4) corresponding to the vertical guide grooves (9) at each side, the two rows of guide rollers (10) are respectively abutted against two vertical opposite sides in the corresponding vertical guide grooves (9), and the vertical guide grooves (9) and the guide rollers (10) form the guide mechanism.

6. The self-tracking lifting device with the supporting frame as claimed in claim 1, wherein the lifting driving device (3) is an electric lead screw, a telescopic motor, an air cylinder or an oil cylinder.

7. The self-tracking lifting device with the supporting frame according to claim 1 or 6, characterized in that the lifting driving device (3) is fixed on the lifting block (4) or is integrated with the lifting block (4), and the movable end of the lifting driving device is connected with the supporting frame (2); when the lifting driving device (3) works, the lifting driving device (3) is lifted relative to the supporting frame (2) together with the lifting block (4) through the counterforce applied to the supporting frame (2) by the movable end.

8. The self-tracking lifting device with the supporting frame according to claim 1, wherein the supporting frame (2) is formed with extending legs (11) corresponding to each wheel supporting rod (5) and in the same direction as the wheel supporting rods (5), the extending legs (11) and the wheel supporting rods (5) extend into the bottoms of the wheels (7), and when the wheel supporting rods (5) are driven by the lifting block (4) to lift the wheels (7), the extending legs (11) are supported on the ground.