CN218949149U - Rotary platform trades electric car - Google Patents

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a rotary platform trolley replacing vehicle which comprises a vehicle body, a rotary seat, a battery and a translation platform, wherein the vehicle body is provided with a travelling mechanism; the rotating seat is rotationally arranged on the vehicle body, one surface of the rotating seat is driven to rotate by a first motor, and the other surface of the rotating seat is provided with a guide rail; the battery is provided with a base, and the base is concavely provided with a fixing hole which is in clamping fit with the positioning pin; the base is provided with a through notch; the translation platform is arranged on one surface of the rotating seat, which is far away from the vehicle body, and is in sliding connection with the guide rail and driven by a second motor; fork arms are respectively arranged on two sides of the translation table towards the moving direction of the translation table, the fork arms are connected with the translation table through a lifting frame, and the fork arms can be embedded into the notch. The rotating platform electricity exchanging vehicle can improve the electricity exchanging efficiency of engineering machinery and adapt to complex electricity exchanging environments.

Description

Rotary platform trades electric car

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a rotary platform trolley replacing vehicle.

Background

In response to global energy conservation and emission reduction calls, in recent years, some fuel oil mechanical equipment is gradually replaced by electric mechanical equipment. At present, the pure electric engineering machinery is rapidly developed, and has the advantages of energy conservation, environmental protection, no emission, low noise and the like. However, the battery energy storage device has the defects of limited energy storage, low charging speed and difficult technological breakthrough, and becomes the biggest obstacle for engineering machinery electrodynamic.

In order to solve the problem, the mobile power transmission and conversion technology of the pure electric engineering machinery is also developed. However, the existing electric car has the defects and problems of low electric speed and low efficiency, high electric car replacement positioning accuracy requirement, difficulty in adapting to complex environments and the like. These problems restrict the performance indexes such as the power conversion efficiency, the reliability, the working scene adaptability and the like of the power conversion vehicle. The vehicle-mounted power exchanging device and the power exchanging rescue vehicle according to the comparison document (CN 202022080490.4) comprise a slewing bearing mechanism, an up-down telescopic bearing mechanism, a battery pack, a cantilever beam, a moving device and a hanging beam clamp, wherein the slewing bearing mechanism can be arranged on a vehicle, the up-down telescopic bearing mechanism comprises a lifting part which can lift relative to the vehicle, the slewing bearing mechanism is arranged on the lifting part, the cantilever beam is arranged on the slewing bearing mechanism so as to rotate on a horizontal plane along with the slewing bearing mechanism, the moving device is movably arranged on the cantilever beam, and the hanging beam clamp is arranged on the moving device and can lift the battery pack. The battery is changed through hoist mechanism and with the form of hoist and mount to the comparison file, when meetting the great environment of wind speed, the battery appears rocking easily for the battery is difficult to align with the base on the engineering machine tool, has increased the degree of difficulty of trading the electricity, consequently can reduce and trade electric efficiency and trade electric reliability in the great scene of wind speed.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the background art, and provides a rotary platform electric vehicle which can improve the electric conversion efficiency of engineering machinery and adapt to complex electric conversion environments.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a rotary platform trolley replacing vehicle comprises a vehicle body, a rotary seat, a battery and a translation platform,

the vehicle body is provided with a traveling mechanism to drive the vehicle body to move;

the rotary seat is rotationally arranged on the vehicle body, one surface of the rotary seat is driven to rotate by a first motor, the other surface of the rotary seat is provided with a guide rail, positioning pins are arranged on two sides of the guide rail, and the positioning pins are positioned at two ends of the rotary seat and fixedly connected with the rotary seat;

the battery is provided with a base, the base is concavely provided with a fixing hole which is matched with the locating pin in a clamping way, so that the base can be erected at two ends of the rotating seat, and the fixing hole is sleeved outside the locating pin; the base is provided with a through notch;

the translation platform is arranged on one surface of the rotating seat far away from the vehicle body, the translation platform is in sliding connection with the guide rail, and the translation platform is driven by a second motor so as to enable the translation platform to transversely move on the rotating seat;

the translation platform is equipped with the yoke respectively towards its direction of movement's both sides, the yoke pass through the crane with the translation platform is connected, in order to adjust the yoke with distance between the roating seat, just the yoke can imbed the notch, so that the base can erect the roating seat or leave the roating seat.

Further, the rotating seat is rotationally connected with the vehicle body through a supporting bearing, an outer shaft of the supporting bearing is fixedly connected with the rotating seat, an inner shaft of the supporting bearing is fixedly connected with the vehicle body, and an outer shaft of the supporting bearing is provided with a toothed ring; the first motor is fixedly connected with the vehicle body, and a driving shaft of the first motor is provided with a fluted disc meshed with the fluted ring.

Further, the translation table is concavely provided with a chute, the chute is sleeved on the guide rail, both ends of the chute are respectively provided with a transverse movement transmission mechanism, the transverse movement transmission mechanism comprises a supporting wheel and a transmission wheel,

the supporting wheels are positioned at two sides of one surface, close to the rotating seat, of the sliding groove, and are rotationally connected with the inner wall of the sliding groove and are in sliding connection with the rotating seat;

the driving wheel is positioned at two sides of one surface, far away from the rotating seat, of the sliding groove, and is rotationally connected with the inner wall of the sliding groove and in transmission connection with the guide rail;

the second motor is fixedly arranged in the translation stage and is in transmission connection with the driving wheel.

Further, the lifting frame comprises a frame body, a chain and a lifting telescopic rod, one end of the frame body is connected with the translation table, the other end of the frame body is provided with a lifting driving piece, the lifting driving piece is in sliding connection with the frame body, and two ends of the lifting driving piece are respectively provided with a sprocket in a rotating mode;

the fork arm is in sliding connection with the frame body, the chain is meshed with the chain wheel, one end of the chain is fixedly connected with the translation table, the other end of the chain is fixedly connected with the fork arm, so that lifting movement of the lifting driving piece can drag or release the chain, and the fork arm is driven to ascend or descend.

Further, one end of the frame body, which is far away from the lifting driving piece, is rotationally connected with the translation table, two sides of the frame body are connected with the translation table through inclined telescopic rods, and two ends of the inclined telescopic rods are respectively rotationally connected with the frame body and the translation table.

Further, guide openings are formed in the periphery of the fixing holes, the guide openings are of a round table structure, the narrow ends of the guide openings are in conductive connection with the fixing holes, and the wide ends of the guide openings are of an opening structure.

Further, the yoke includes link, fork and fine setting spring, link one end with the crane is connected, the other end with the fork rotates to be connected, the fine setting spring is equipped with two, and two the fine setting spring is located the link with the both sides of fork rotation department, the fine setting spring respectively with the link reaches fork butt.

Further, one surface of the fork arm is provided with an anti-slip protrusion, and an anti-slip bayonet matched with the anti-slip protrusion in a clamping manner is arranged in the notch.

Further, the running gear is in including setting up running wheel at automobile body both ends and setting are in the walking track of automobile body both sides, the running wheel through hang with the automobile body is connected, just hang through the lift bridge with the automobile body is connected, the lift bridge is including switching telescopic link and driven lever, switch telescopic link one end with the automobile body rotates to be connected, the other end with hang and rotate to be connected, driven lever one end with the automobile body rotates to be connected, the other end with hang and rotate to be connected.

The beneficial effects of the utility model are as follows:

the translation table can be driven to move to one end of the vehicle body far away from the vehicle head under the action of the second motor, meanwhile, the fork arm can be embedded into the notch of the full-power battery base through the lifting frame to be lifted, and the translation table is reset through the second motor and the lifting frame, so that the fixing hole of the full-power battery base can be sleeved on the locating pin; the rotating seat is rotated by 180 degrees through the first motor, and the full-charge battery is arranged at one end of the rotating seat, close to the vehicle head, of the vehicle body, so that the full-charge battery is mounted, the positioning pin is clamped with the fixing hole, and under the cooperation of the fork arms, the base is locked, and the full-charge battery is prevented from sliding out of the vehicle body in the battery transportation process.

The full-power battery can be arranged at one end of the rotating seat, close to the vehicle head, of the vehicle body, the vehicle body is moved to the rear or side of the engineering machinery needing to be replaced through the travelling mechanism, the battery needing to be replaced of the engineering machinery can be moved to the rotating seat through the translation of the driving translation table and the lifting of the fork arm, and the fixing hole of the battery needing to be replaced can be sleeved on the locating pin, so that the battery needing to be replaced is detached.

The rotating seat is rotated by 180 degrees through the first motor, the full-power battery is arranged at one end of the rotating seat, far away from the headstock of the vehicle body, and the full-power battery can be moved to engineering machinery through the translation of the driving translation table and the lifting of the fork arms, so that the battery installation of the engineering machinery is realized.

The utility model can complete the replacement of the battery by utilizing the movement and the lifting of the fork arm without being influenced by wind speed, thereby improving the adaptability to complex environment, and the full-power battery and the position of the battery to be replaced can be switched by rotating the rotating seat without repeatedly disassembling and replacing the battery on the vehicle body, thereby effectively improving the power conversion efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a rotary platform trolley according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic diagram of a base structure of a rotary platform trolley according to a preferred embodiment of the present utility model.

Fig. 3 is a schematic view of a rotating seat structure of a rotary platform trolley according to a preferred embodiment of the present utility model.

Fig. 4 is a schematic view of a track structure of a rotary platform trolley according to a preferred embodiment of the present utility model.

Fig. 5 is a schematic diagram of a fork arm structure of a rotary platform trolley according to a preferred embodiment of the present utility model.

Fig. 6 is a schematic view of a lifting bridge structure of a rotary platform trolley according to a preferred embodiment of the present utility model.

In the figure, 1-car body, 11-travelling wheels, 12-travelling tracks, 13-hanging, 14-switching telescopic rods, 141-driven rods, 2-rotating seats, 201-supporting bearings, 202-toothed rings, 21-first motors, 211-fluted discs, 22-guide rails, 221-racks, 23-locating pins, 3-batteries, 31-bases, 311-fixing holes, 312-notches, 313-guide openings, 314-anti-slip bayonets, 4-translation tables, 41-second motors, 401-sliding grooves, 402-supporting wheels, 403-driving wheels, 5-fork arms, 501-connecting frames, 502-fork frames, 503-fine tuning springs, 51-lifting frames, 511-frame bodies, 512-chains, 513-lifting telescopic rods, 514-lifting driving members, 515-chain wheels, 516-tilting telescopic rods, 52-anti-slip bulges and 6-clamping pieces.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a rotary platform trolley according to a preferred embodiment of the present utility model includes a trolley body 1, a rotary base 2, a battery 3, and a translation platform 4.

The vehicle body 1 is provided with a traveling mechanism to drive the vehicle body 1 to move. As shown in fig. 6, the travelling mechanism comprises travelling wheels 11 arranged at two ends of the vehicle body 1 and travelling caterpillar tracks 12 arranged at two sides of the vehicle body 1, the travelling wheels 11 are connected with the vehicle body 1 through hanging 13, the hanging 13 is connected with the vehicle body 1 through a lifting bridge, the lifting bridge comprises a switching telescopic rod 14 and a driven rod 141, one end of the switching telescopic rod 14 is rotationally connected with the vehicle body 1, the other end of the switching telescopic rod is rotationally connected with the hanging 13, one end of the driven rod 141 is rotationally connected with the vehicle body 1, and the other end of the driven rod 141 is rotationally connected with the hanging 13. Each suspension 13 is provided with at least two lifting bridges to ensure support stability for the vehicle body 1.

In this embodiment, the running gear can be the wheel-track integrated structure of prior art, and the lift bridge descends when the road conditions are good, and walking wheel 11 ground connection and locking, walking track 12 are not ground connection, full play wheel fast advantage, reduction back and forth movement is long, improves work efficiency. When the road condition is poor and the movement is difficult, the lifting bridge ascends, so that the walking caterpillar 12 is fully grounded, and the walking caterpillar 12 and the walking wheel 11 are jointly powered and keep the same linear speed by utilizing gears, so that the sufficient obstacle crossing capability and the passability are kept under uncertain working occasions and complex working conditions.

The rotating seat 2 is rotationally arranged on the vehicle body 1, one surface of the rotating seat 2 is driven to rotate by the first motor 21, the other surface of the rotating seat 2 is provided with a guide rail 22, two sides of the guide rail 22 are provided with positioning pins 23, and the positioning pins 23 are positioned at two ends of the rotating seat 2 and fixedly connected with the rotating seat 2. The rotary base 2 of this embodiment is provided with four locating pins 23 at each end.

As shown in fig. 1, the rotary seat 2 is rotatably connected with the vehicle body 1 through a support bearing 201, an outer shaft of the support bearing 201 is fixedly connected with the rotary seat 2, an inner shaft of the support bearing 201 is fixedly connected with the vehicle body 1, and an outer shaft of the support bearing 201 is provided with a toothed ring 202. The first motor 21 is fixedly connected with the vehicle body 1, and a driving shaft of the first motor 21 is provided with a fluted disc 211 meshed with the fluted ring 202.

As shown in fig. 2 and 3, the battery 3 is provided with a base 31, the base 31 is concavely provided with a fixing hole 311 which is matched with the positioning pin 23 in a clamping way, so that the base 31 can be erected at two ends of the rotating seat 2, and the fixing hole 311 is sleeved outside the positioning pin 23; the base 31 is provided with a slot 312 therethrough. The base 31 of the present embodiment is provided with four fixing holes 311.

The translation platform 4 locates the one side that the roating seat 2 kept away from automobile body 1, translation platform 4 and guide rail 22 sliding connection, and translation platform 4 passes through second motor 41 drive to make translation platform 4 sideslip on roating seat 2.

The two sides of the translation stage 4 towards the moving direction thereof are respectively provided with a fork arm 5, the fork arms 5 are connected with the translation stage 4 through a lifting frame 51 so as to adjust the distance between the fork arms 5 and the rotating seat 2, and the fork arms 5 can be embedded into the notch 312 so that the base 31 can be erected on the rotating seat 2 or separated from the rotating seat 2.

Under the action of the second motor 41, the translation table 4 can be driven to move to one end of the vehicle body 1 far away from the vehicle head, meanwhile, the lifting of the fork arm 5 is controlled through the lifting frame 51, the fork arm 5 can be embedded into the notch 312 of the full-charge battery base 31, and the translation table 4 is reset through the second motor 41 and the lifting frame 51, so that the fixing hole 311 of the full-charge battery base 31 can be sleeved on the positioning pin 23; the rotary seat 2 is rotated by 180 degrees through the first motor 21, and the full-charge battery is arranged at one end of the rotary seat 2, close to the vehicle head of the vehicle body 1, so that the full-charge battery is mounted, the positioning pin 23 is clamped with the fixing hole 311, and under the cooperation of the fork arm 5, the base 31 is locked, and the phenomenon that the full-charge battery slides out of the vehicle body 1 in the battery transportation process is avoided.

The full-power battery can be arranged at one end of the rotating seat 2, close to the headstock of the vehicle body 1, the vehicle body 1 is moved to the rear or side of the engineering machine needing to be replaced through the travelling mechanism, the battery needing to be replaced of the engineering machine can be moved to the rotating seat 2 through the translation of the driving translation table 4 and the lifting of the fork arm 5, and the fixing hole 311 of the battery needing to be replaced can be sleeved on the locating pin 23, so that the battery needing to be replaced is detached.

The rotating seat 2 is rotated by 180 degrees through the first motor 21, so that the full-power battery is arranged at one end of the rotating seat 2 far away from the headstock of the vehicle body 1, and the full-power battery can be moved to the engineering machinery through the translation of the driving translation table 4 and the lifting of the fork arm 5, thereby realizing the battery installation of the engineering machinery.

The replacement of the battery 3 can be completed by utilizing the movement and the lifting of the fork arm 5, the influence of wind speed is avoided, the adaptability to a complex environment is improved, the full-power battery and the position of the battery to be replaced can be switched by rotating the rotating seat 2, the battery is not required to be repeatedly detached and replaced on a vehicle body, and the power conversion efficiency is effectively improved.

In this embodiment, as shown in fig. 1, a clamping groove can be formed on the side surface of the base 31, a positioning pin 23 and a fastening member 6 are disposed in the engineering machine, a fixing hole 311 of the base 31 can be embedded into the positioning pin 23 of the engineering machine, one end of the fastening member 6 is rotationally connected with the engineering machine, and the other end of the fastening member is clamped with the clamping groove, so that the base 31 is locked in the engineering machine, and the cooperation between the positioning pin 23 and the fastening member 6 as well as the clamping groove belongs to the prior art of battery locking of the engineering machine.

As shown in fig. 4, the translation stage 4 is concavely provided with a chute 401, and the chute 401 is sleeved on the guide rail 22, both ends of the chute 401 are respectively provided with a traversing transmission mechanism, and the traversing transmission mechanism comprises a supporting wheel 402 and a transmission wheel 403. The supporting wheels 402 are positioned on two sides of one surface, close to the rotating seat 2, of the sliding groove 401, and the supporting wheels 402 are rotatably connected with the inner wall of the sliding groove 401 and are slidably connected with the rotating seat 2. The driving wheel 403 is positioned at two sides of one surface of the chute 401 far away from the rotating seat 2, and the driving wheel 403 is rotatably connected with the inner wall of the chute 401 and is in transmission connection with the guide rail 22. The second motor 41 is fixedly arranged in the translation stage 4 and is in driving connection with the driving wheel 403.

The guide rail 22 and the sliding groove 401 in this embodiment are respectively provided with two, the guide rail 22 has a T-shaped structure, two sides of one surface of the guide rail 22 far away from the rotating seat 2 are respectively provided with a rack 221, the rack 221 faces the rotating seat 2, the driving wheel 403 is a gear meshed with the rack 221, the driving wheel 403 on the opposite side of the two sliding grooves 401 is driven by the second motor 41, the second motor 41 is a double-shaft motor, and two driving shafts of the second motor 41 respectively penetrate into the sliding grooves 401 and are in transmission connection with the driving wheel 403. The supporting wheel 402 and the driving wheel 403 of the present embodiment are provided with rolling balls, which are slidably connected to the guide rail 22, so that the translation stage 4 slides on the guide rail 22 more smoothly.

As shown in fig. 1, the lifting frame 51 includes a frame 511, a chain 512 and a lifting telescopic rod 513, one end of the frame 511 is connected with the translation stage 4, the other end is provided with a lifting driving member 514, the lifting driving member 514 is slidably connected with the frame 511, and two ends of the lifting driving member 514 are respectively provided with a sprocket 515 in a rotating manner.

The fork arm 5 is slidably connected to the frame 511, the chain 512 is meshed with the sprocket 515, one end of the chain 512 is fixedly connected to the translation stage 4, and the other end of the chain 512 is fixedly connected to the fork arm 5, so that the lifting movement of the lifting driving member 514 can pull or release the chain 512 to drive the fork arm 5 to ascend or descend.

The principle of the lifting frame 51 of the embodiment is the same as that of a forklift mast, and the lifting telescopic rod 513 drives the lifting driving piece 514 to lift, so that the chain 512 pulls or releases the fork arm 5, thereby realizing the lifting or lowering of the fork arm 5

In this embodiment, one end of the frame 511 far away from the lifting driving member 514 is rotatably connected with the translation table 4, two sides of the frame 511 are connected with the translation table 4 through the inclined telescopic rod 516, and two ends of the inclined telescopic rod 516 are rotatably connected with the frame 511 and the translation table 4 respectively. When the vehicle body 1 and the engineering machinery are not on the same horizontal plane, the inclination of the frame body 511 can be adjusted by adjusting the length of the inclined telescopic rod 516, so that the fork arm 5 and the battery of the engineering machinery can be on the same horizontal plane, the replacement of the battery on complex terrain is realized, and the suitability of power conversion is improved.

One surface of the fork arm 5 is provided with a non-slip protrusion 52, and the notch 312 is internally provided with a non-slip bayonet 314 which is in clamping fit with the non-slip protrusion 52. The thickness of the notch 312 in this embodiment is slightly greater than the thickness of the yoke 5 plus the stud 52 so that the stud 52 can smoothly enter the notch 312. Under the mutual clamping action of the anti-slip convex 52 and the anti-slip bayonet 314, when the frame body 511 inclines, the battery 3 cannot slip out of the fork arm 5, so that the safety of the battery is ensured. When the positioning pin 23 is embedded in the fixing hole 311, the anti-slip protrusion 52 is separated from the anti-slip bayonet 314, so that the anti-slip protrusion 52 and the anti-slip bayonet 314 are prevented from affecting the movement of the translation stage 4.

As shown in fig. 2, guide openings 313 are formed around the fixing hole 311, the guide openings 313 have a circular truncated cone structure, the narrow ends of the guide openings 313 are connected with the fixing hole 311 in a conductive manner, and the wide ends of the guide openings 313 have an opening structure. Alignment of the locating pin 23 can be facilitated by the guide opening 313. In this embodiment, the positioning pin 23 is divided into a supporting portion and a positioning portion, the positioning portion can be embedded into the fixing hole 311, and the diameter of the supporting portion is larger than the guiding opening 313 so as to support the base 31, so that the base is prevented from directly contacting the rotating seat 2 or the engineering machine.

As shown in fig. 5, the yoke 5 includes a connecting frame 501, a yoke 502 and fine tuning springs 503, one end of the connecting frame 501 is connected with the lifting frame 51, the connecting frame 501 in this embodiment is slidably connected with the frame 511, one end of the connecting frame 501 far away from the lifting frame 51 is rotatably connected with the yoke 502, two fine tuning springs 503 are provided, and two fine tuning springs 503 are located at two sides of the rotating positions of the connecting frame 501 and the yoke 502, and the fine tuning springs 503 are respectively abutted with the connecting frame 501 and the yoke 502.

Under the action of the elasticity of the fine tuning spring 503, the fork arm 5 has a flexible structure, when the guide opening 313 is abutted against the positioning pin 23, the fork frame 502 and the connecting frame 501 can deflect for a certain angle, so that the positioning pin 23 can enter the fixing hole 313 along the guide opening 313 under the condition that the fork frame 502 is not separated from the base 31, the loading difficulty of the base 31 is effectively reduced, and the electricity conversion efficiency is improved.

In the embodiment, the power system is also provided for supplying power in a pure electric mode, so that the energy is saved and the environment is protected. The super capacitor group stores most of electric energy, is suitable and sufficient for completing one-time back and forth electricity exchange in a short distance, and accords with the mobile electricity transmission and exchange environment faced by the electric engineering machinery under most conditions. Under the condition of limited electricity storage quantity, the advantages of high charging speed and long charging and discharging life of the super capacitor bank are exerted to the maximum extent. And the charging can be completed quickly in a short time when the charging place is lifted with the battery lack and the battery full, the next round-trip power exchange task is executed, the continuous work of the power exchange vehicle is ensured, the charging time which is additionally spent in the working time is avoided, and the working efficiency and the benefit are improved.

In addition, the battery replacement vehicle can be provided with a range-extending lithium battery pack, and charging is completed in non-working time such as night, so that the requirement of longer-distance reciprocating battery replacement and the requirement of emergency situation are met. When the working is finished, the electric energy of the super capacitor group is preferentially used, and when the electric quantity is insufficient, the super capacitor group is connected with the range-extending lithium battery group to supply power, and the work is continued. Because the electric energy consumption of the extended-range lithium battery pack is less, the extended-range lithium battery pack can be independently charged in the non-working time; or when the super capacitor group ensures electric quantity redundancy, the super capacitor group is used for supplementing electricity and charging during working running. The super capacitor group can quickly complete charging in a short time in the interval of back and forth power exchange.

The first motor 21, the second motor 41, the lifting telescopic rod 513, the tilting telescopic rod 516 and the switching telescopic rod 14 are all powered up by a power system.

The power exchanging process of the rotary platform power exchanging vehicle of the embodiment comprises the following steps:

1. and (3) mounting of a full-power battery: the translation platform 4 is driven to move to one end of the vehicle body 1 far away from the vehicle head, the lifting of the fork arm 5 is controlled through the lifting frame 51, the fork arm 5 can be embedded into the notch 312 of the full-power battery base 31, the translation platform 4 is reset through the second motor 41 and the lifting frame 51, the fixing hole 311 of the full-power battery base 31 can be sleeved on the locating pin 23, and finally the rotating seat 2 is rotated by 180 degrees through the first motor 21, so that the full-power battery is arranged at one end of the rotating seat 2 close to the vehicle head of the vehicle body 1.

2. Disassembly of the battery to be replaced of the engineering machinery: after the vehicle body 1 is moved to the rear or side of the engineering machine needing to be replaced through the travelling mechanism and the clamping groove of the base 31 is separated from the clamping piece 6 of the engineering machine, the battery needing to be replaced of the engineering machine can be moved to the rotating seat 2 through the translation of the driving translation table 4 and the lifting of the fork arm 5, the fixing hole 311 of the battery needing to be replaced can be sleeved on the locating pin 23, and finally the rotating seat 2 is rotated by 180 degrees through the first motor 21, so that the full-power battery is arranged at one end of the rotating seat 2 far away from the vehicle head of the vehicle body 1.

3. Through the translation of drive translation platform 4 and the lift of yoke 5, can remove full battery to engineering machine tool to make the fixed orifices 311 of base 31 can imbed engineering machine tool's locating pin 23, finally with the draw-in groove of base 31 of the buckle spare 6 card of engineering machine tool, thereby realized the battery installation of engineering machine tool.

Claims (9)

1. A rotary platform trolley replacing vehicle is characterized by comprising a vehicle body (1), a rotary seat (2), a battery (3) and a translation platform (4),

the vehicle body (1) is provided with a travelling mechanism to drive the vehicle body (1) to move;

the rotary seat (2) is rotationally arranged on the vehicle body (1), one surface of the rotary seat (2) is driven to rotate by a first motor (21), the other surface of the rotary seat is provided with a guide rail (22), positioning pins (23) are arranged on two sides of the guide rail (22), and the positioning pins (23) are positioned at two ends of the rotary seat (2) and are fixedly connected with the rotary seat (2);

the battery (3) is provided with a base (31), the base (31) is concavely provided with a fixing hole (311) which is matched with the locating pin (23) in a clamping way, so that the base (31) can be erected at two ends of the rotating seat (2), and the fixing hole (311) is sleeved outside the locating pin (23); the base (31) is provided with a through notch (312);

the translation table (4) is arranged on one surface, far away from the car body (1), of the rotary seat (2), the translation table (4) is in sliding connection with the guide rail (22), and the translation table (4) is driven by a second motor (41) so that the translation table (4) transversely moves on the rotary seat (2);

the translation platform (4) is equipped with yoke (5) respectively towards its direction of movement's both sides, yoke (5) through crane (51) with translation platform (4) are connected, in order to adjust yoke (5) with distance between rotary seat (2), just yoke (5) can imbed notch (312), so that base (31) can erect rotary seat (2) or leave rotary seat (2).

2. A rotary platform trolley according to claim 1, wherein: the rotary seat (2) is rotationally connected with the vehicle body (1) through a support bearing (201), an outer shaft of the support bearing (201) is fixedly connected with the rotary seat (2), an inner shaft of the support bearing (201) is fixedly connected with the vehicle body (1), and an outer shaft of the support bearing (201) is provided with a toothed ring (202); the first motor (21) is fixedly connected with the vehicle body (1), and a fluted disc (211) meshed with the toothed ring (202) is arranged on a driving shaft of the first motor (21).

3. A rotary platform trolley according to claim 1, wherein: the translation platform (4) is concavely provided with a chute (401), the chute (401) is sleeved on the guide rail (22), two ends of the chute (401) are respectively provided with a transverse movement transmission mechanism, the transverse movement transmission mechanism comprises a supporting wheel (402) and a transmission wheel (403),

the supporting wheels (402) are positioned on two sides, close to one surface of the rotating seat (2), in the sliding groove (401), and the supporting wheels (402) are rotatably connected with the inner wall of the sliding groove (401) and are in sliding connection with the rotating seat (2);

the driving wheel (403) is positioned at two sides of one surface, far away from the rotating seat (2), of the sliding groove (401), and the driving wheel (403) is rotationally connected with the inner wall of the sliding groove (401) and is in transmission connection with the guide rail (22);

the second motor (41) is fixedly arranged in the translation table (4) and is in transmission connection with the transmission wheel (403).

4. A rotary platform trolley according to claim 1, wherein: the lifting frame (51) comprises a frame body (511), a chain (512) and a lifting telescopic rod (513), one end of the frame body (511) is connected with the translation table (4), the other end of the frame body is provided with a lifting driving piece (514), the lifting driving piece (514) is slidably connected with the frame body (511), and two ends of the lifting driving piece (514) are respectively provided with a sprocket (515) in a rotating mode;

the fork arm (5) is in sliding connection with the frame body (511), the chain (512) is meshed with the chain wheel (515), one end of the chain (512) is fixedly connected with the translation table (4), the other end of the chain is fixedly connected with the fork arm (5), so that the lifting movement of the lifting driving piece (514) can drag or release the chain (512) to drive the fork arm (5) to ascend or descend.

5. The rotary platform trolley of claim 4 wherein: the lifting device comprises a lifting driving piece (514), a frame body (511) and a translation table (4), wherein one end of the frame body (511) away from the lifting driving piece (514) is rotationally connected with the translation table (4), two sides of the frame body (511) are connected with the translation table (4) through inclined telescopic rods (516), and two ends of each inclined telescopic rod (516) are respectively rotationally connected with the frame body (511) and the translation table (4).

6. A rotary platform trolley according to claim 1, wherein: guide openings (313) are formed in the periphery of the fixing holes (311), the guide openings (313) are of a round table structure, the narrow ends of the guide openings (313) are in conductive connection with the fixing holes (311), and the wide ends of the guide openings (313) are of an opening structure.

7. The rotary platform trolley of claim 6 wherein: the fork arm (5) comprises a connecting frame (501), a fork frame (502) and fine tuning springs (503), wherein one end of the connecting frame (501) is connected with the lifting frame (51), the other end of the connecting frame is rotationally connected with the fork frame (502), the fine tuning springs (503) are arranged at two sides of the rotating part of the connecting frame (501) and the fork frame (502), and the fine tuning springs (503) are respectively connected with the connecting frame (501) and the fork frame (502) in a propping mode.

8. A rotary platform trolley according to claim 1, wherein: one surface of the fork arm (5) is provided with an anti-slip protrusion (52), and an anti-slip bayonet (314) which is in clamping fit with the anti-slip protrusion (52) is arranged in the notch (312).

9. A rotary platform trolley according to claim 1, wherein: the walking mechanism comprises walking wheels (11) arranged at two ends of the vehicle body (1) and walking tracks (12) arranged at two sides of the vehicle body (1), the walking wheels (11) are connected with the vehicle body (1) through hanging (13), the hanging (13) is connected with the vehicle body (1) through a lifting bridge, the lifting bridge comprises a switching telescopic rod (14) and a driven rod (141), one end of the switching telescopic rod (14) is rotationally connected with the vehicle body (1), the other end of the switching telescopic rod is rotationally connected with the hanging (13), one end of the driven rod (141) is rotationally connected with the vehicle body (1), and the other end of the driven rod is rotationally connected with the hanging (13).

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