CN219856872U - Lightweight power conversion station - Google Patents

Abstract

The utility model relates to a lightweight power exchange station, which comprises a lower cabin body and an upper cabin body, wherein the lower cabin body comprises a lower frame, a front lower side plate, a rear lower side plate, a left lower end plate and a right lower end plate which are fixed on the lower frame, the upper cabin body comprises an upper frame which is fixed on the lower frame, a front upper side plate, a rear upper side plate, a right upper end plate and a right top plate which are fixed on the upper frame, the upper cabin body extends leftwards and is provided with a left cabin body, the left cabin body comprises a left frame, a left front side plate, a left rear side plate, a left upper end plate and a left top plate which are fixed on the left frame, a bracket frame is fixed at the left end of the left cabin body, and a vehicle channel is formed between the bracket frame and the lower cabin body; two rows of charging devices are arranged in the lower cabin body and distributed longitudinally, n in number and n-1 in number are respectively provided with battery packs, a power exchange channel communicated with a vehicle channel is formed between the two rows of charging devices, and a row hanging system for hanging the battery packs is arranged in the upper cabin body and the left cabin body. It has the advantages of small integrated size, light weight and low cost.

Description

Lightweight power conversion station

Technical Field

The utility model relates to a power exchange station, in particular to a lightweight power exchange station for an electric truck.

Background

In the field of electric trucks, the battery is fixed on an installation frame in order to form a battery pack which can be integrally assembled, disassembled and replaced, and a battery replacing station which is specially used for charging the battery pack is arranged; when the electric quantity of the battery pack on the vehicle is insufficient, the vehicle is started to the power exchange station to exchange the battery pack, so that the normal use of the vehicle is not affected. The existing power exchange station has the problems of complex structure, large volume and high cost in practical application, such as a single-box power exchange station disclosed in the utility model patent with the publication number of CN 217730260U.

Disclosure of Invention

The utility model aims to provide a light-weight power exchange station which has the advantages of simple structure, small integration, light weight, low cost and strong practicability.

In order to solve the problems in the prior art, the utility model provides a lightweight power exchange station, which comprises a tank body formed by combining a lower tank body and an upper tank body, wherein the lower tank body comprises a lower frame, a front lower side plate, a rear lower side plate, a left lower end plate and a right lower end plate which are fixed on the lower frame, the upper tank body comprises an upper frame which is fixed on the lower frame, a front upper side plate, a rear upper side plate, a right upper end plate and a right top plate which are fixed on the upper frame, the upper half part of the upper tank body extends leftwards to form a left tank body, the left tank body comprises a left frame, a left front side plate, a left rear side plate, a left upper end plate and a left top plate which are fixed on the left frame, a bracket frame is fixed at the left end of the left tank body, and a vehicle channel is formed between the bracket frame and the lower tank body; two rows of charging devices are arranged in the lower cabin body and distributed longitudinally, n in number and n-1 in number are respectively provided with battery packs, a power exchange channel communicated with a vehicle channel is formed between the two rows of charging devices, and a row hanging system for hanging the battery packs is arranged in the upper cabin body and the left cabin body.

Further, the utility model relates to a lightweight power exchange station, wherein the charging device comprises a support frame and a charger arranged in the support frame, a support plate is arranged on the support frame through an elastic buffer mechanism, a socket connected with the charger is arranged on the support plate, and the socket is matched with a plug on a battery pack; the elastic buffer mechanism comprises a plurality of guide rods, the guide rods respectively penetrate through the support plates and the support plates fixed on the support frames, springs sleeved on the guide rods are arranged between the support plates and the support plates, the upper ends of the guide rods are provided with anti-falling heads, and the lower ends of the guide rods are provided with anti-falling nuts in a rotating mode.

Furthermore, the utility model relates to a lightweight power exchange station, wherein the support frame is provided with four first guide posts and two second guide posts which are matched with a battery pack, the first guide posts and the second guide posts are of square structures, the upper ends of the first guide posts are inclined planes with the outer lower and the inner higher in the transverse direction, and the upper ends of the second guide posts are inclined planes with the outer lower and the inner higher in the longitudinal direction; the support frame is also provided with more than two first positioning columns, and the upper ends of the first positioning columns are conical.

Further, the utility model relates to a lightweight power exchange station, wherein the battery pack comprises a mounting frame and a plurality of batteries fixed on the mounting frame, the batteries are connected with plugs fixed on the mounting frame, the bottom frame of the mounting frame is matched with the supporting frame, a positioning block on the bottom frame is provided with a positioning hole matched with a first positioning column, and the top of the mounting frame is provided with a top frame matched with a crane system; the four first guide posts are symmetrically distributed in pairs and are matched with two side beams of the frame of the bottom of the battery pack in the transverse direction, and the two second guide posts are symmetrically distributed and are matched with two side beams of the frame of the bottom of the battery pack in the longitudinal direction.

Further, the utility model relates to a lightweight power exchange station, wherein the traveling crane system comprises a crane and a lifting appliance, the crane comprises two longitudinal guide rails fixed in an upper cabin body and a left cabin body, a longitudinal moving frame is arranged on the longitudinal guide rails, two transverse guide rails are fixed on the longitudinal moving frame, a transverse moving frame is arranged on the transverse guide rails, a lifting mechanism is arranged on the transverse moving frame and comprises a lifting speed reducer, four fixed pulleys and four steel wire ropes, the lifting speed reducer is fixed on the transverse moving frame, an input shaft of the lifting speed reducer is connected with a lifting driving motor, two ends of an output shaft of the lifting speed reducer are respectively fixed with rope coiling wheels, the four fixed pulleys are correspondingly arranged at four corners of the transverse moving frame, one ends of the four steel wire ropes are respectively connected with the rope coiling wheels, and the other ends of the four steel wire ropes correspondingly bypass the four fixed pulleys and are connected with the transverse moving frame; the lifting appliance comprises a lifting frame which is correspondingly connected with four steel wires through four movable pulleys, four lifting hook components are arranged on the lifting frame, the lifting hook components comprise rotating shafts which are arranged on the lifting frame through bearings, swing arms and hanging plates are correspondingly and vertically fixed at the upper end and the lower end of the rotating shafts, a first rotary driving device is connected with two lifting hook component swing arms on the left side in the longitudinal direction, and a second rotary driving device is connected with two lifting hook component swing arms on the right side in the longitudinal direction.

Furthermore, the guide rollers are installed on the swing arms of the lifting hook assemblies through supporting shafts, the first rotary driving device comprises a first electric push rod, one end of the first electric push rod is hinged to the lifting frame, the other end of the first electric push rod is hinged to a first sliding plate, a first sliding block is fixed to the bottom of the first sliding plate and is in sliding fit with a first guide rail fixed to the lifting frame, first oblong holes are respectively formed in two ends of the first sliding plate, the guide rollers of the two lifting hook assemblies on the longitudinal left side are correspondingly arranged in the first oblong holes in two ends of the first sliding plate, the second rotary driving device comprises a second electric push rod, one end of the second electric push rod is hinged to the lifting frame, the other end of the second electric push rod is hinged to a second sliding plate, a second sliding block is fixed to the bottom of the second sliding plate and is in sliding fit with a second guide rail fixed to the lifting frame, second oblong holes are respectively formed in two ends of the second sliding plate, and the guide rollers of the two lifting hook assemblies on the longitudinal right side are correspondingly arranged in the second oblong holes in two ends of the second sliding plate.

Furthermore, the utility model relates to a lightweight power exchange station, wherein four third guide posts and two fourth guide posts are fixed on the lower side of the lifting frame, the third guide posts and the fourth guide posts are square structures, the lower ends of the third guide posts are inclined planes with the inner side being low and the outer side being high in the transverse direction, and the lower ends of the fourth guide posts are inclined planes with the inner side being high and the outer side being low in the longitudinal direction.

Furthermore, the utility model relates to a lightweight power exchange station, wherein four longitudinal moving rollers matched with longitudinal guide rails are arranged on a longitudinal moving frame, a longitudinal moving speed reducer is also fixed on the longitudinal moving frame, an input shaft of the longitudinal moving speed reducer is connected with a longitudinal moving driving motor, and two ends of an output shaft of the longitudinal moving speed reducer are correspondingly connected with two longitudinal moving rollers which are symmetrically distributed left and right in the transverse direction through a coupler respectively; the transverse moving frame is provided with four transverse moving rollers matched with the transverse guide rail, a transmission shaft is arranged between the two transverse moving rollers which are symmetrically distributed in the longitudinal direction, a driven gear is arranged on the transmission shaft, the transverse moving frame is also fixedly provided with a transverse moving speed reducer, an input shaft of the transverse moving speed reducer is connected with a transverse moving driving motor, an output shaft of the transverse moving speed reducer is provided with a driving gear, and a transmission chain is arranged between the driving gear and the driven gear.

Further, the utility model relates to a lightweight power exchange station, wherein the longitudinal guide rail is a steel rail, the longitudinal moving roller is a steel rail wheel, the rim of the longitudinal moving roller is positioned at the outer side of the longitudinal guide rail, the longitudinal moving frame is fixedly provided with longitudinal moving anti-disengaging plates corresponding to the four longitudinal moving rollers, and the hook heads of the longitudinal moving anti-disengaging plates are positioned at the inner lower side of the rail heads of the longitudinal guide rail; the transverse guide rail is characterized in that a base plate is fixed between the transverse guide rail and the longitudinal moving frame, the transverse moving roller is a steel rail wheel, the rim of the transverse moving roller is positioned at the outer side of the transverse guide rail, transverse moving anti-falling hook plates corresponding to the four transverse moving rollers are fixed on the transverse moving frame, and the hook heads of the transverse moving anti-falling hook plates are positioned at the inner lower side of the base plate.

Furthermore, the lower side of the transverse moving frame is fixedly provided with the positioning cylinders which are distributed at intervals, the lower ports of the positioning cylinders are horn-shaped, the lifting frame is fixedly provided with the second positioning columns matched with the positioning cylinders, the lower half sections of the second positioning columns are sleeved with limiting sleeves, and the upper ends of the second positioning columns are conical.

Compared with the prior art, the lightweight power exchange station has the following advantages: the utility model sets up the cabin body formed by combining the lower cabin body and the upper cabin body, make the lower cabin body set up the lower frame and fix the front lower side plate, rear lower side plate, left lower end plate and right lower end plate on the lower frame, make the upper cabin body set up the upper frame fixed on the lower frame and fix the front upper side plate, rear upper side plate, right upper end plate and right top plate on the upper frame, set up the left cabin body that extends to the left in the upper half of the upper cabin body, make the left cabin body set up left frame and fix the left front side plate, left rear side plate, left upper end plate and left top plate on the left frame, fix the support frame in the left end of the left cabin body, make the support frame form the vehicle channel with the lower cabin body; two rows of charging devices distributed longitudinally are arranged in the lower cabin body, n charging devices are arranged in total, battery packs are respectively arranged on n-1 charging devices, so that a power exchanging channel communicated with a vehicle channel is formed between the two rows of charging devices, and a row hanging system for hanging the battery packs is arranged in the upper cabin body and the left cabin body. Therefore, the light-weight power exchange station with simple structure, small integration, light weight, low cost and strong practicability is formed. In practical application, when the battery pack on the vehicle is insufficient in electric quantity, the vehicle is driven into a vehicle channel, the battery pack on the vehicle is lifted from the power exchange channel to an empty charging device for charging through a traveling crane system, and the fully charged battery pack is lifted to the vehicle through the power exchange channel, so that the purpose of quick power exchange can be realized. According to the utility model, the cabin body adopts a structural form formed by combining the lower cabin body and the upper cabin body, so that modularized production and assembly can be performed, and storage and transportation are facilitated; through setting up two rows of charging device in the cabin to make and form between two rows of charging device and trade the electric channel, only need hang slightly and make its battery package break away from charging device and can make a round trip to transport in trading the electric channel, reduced the whole height of the cabin, improved stability and security, and reduced cabin construction material and weight, saved the cost, be favorable to realizing the lightweight.

The following describes a lightweight power exchange station according to the present utility model in further detail with reference to the specific embodiments shown in the drawings.

Drawings

FIG. 1 is a front view of a lightweight power exchange station of the present utility model;

FIG. 2 is an isometric view of a lightweight power exchange station according to the present utility model;

FIG. 3 is a front view of the internal structure of a lightweight power exchange station according to the present utility model;

FIG. 4 is a top view showing the internal structure of a lightweight power exchange station according to the present utility model;

fig. 5 is a front view of the charging device and the battery pack of the present utility model;

FIG. 6 is an isometric view of a charging device and battery pack of the present utility model;

FIG. 7 is an isometric view of a battery pack of the present utility model;

FIG. 8 is an isometric view of a charging device of the present utility model;

FIG. 9 is a front view of the traveling crane system of the present utility model;

FIG. 10 is a top view of the traveling crane system of the present utility model;

FIG. 11 is a front view of the traversing frame and lift mechanism of the present utility model;

FIG. 12 is a bottom view of the traversing frame and lift mechanism of the present utility model;

FIG. 13 is an enlarged view of a portion of the position A of FIG. 12;

FIG. 14 is an isometric view of a traversing frame and lift mechanism of the present utility model;

FIG. 15 is a second perspective view of the traversing frame and lift mechanism of the present utility model;

FIG. 16 is a front view of the spreader of the present utility model;

FIG. 17 is a top view of the spreader of the present utility model;

FIG. 18 is an isometric view of a spreader of the present utility model;

fig. 19 is a second perspective view of the spreader of the present utility model.

Detailed Description

First, it should be noted that the terms of up, down, left, right, front, back, etc. in the present utility model are merely described according to the drawings, so as to facilitate understanding, and are not limited to the technical solution of the present utility model and the scope of protection claimed.

As shown in fig. 1 to 19, a specific embodiment of a lightweight power exchange station according to the present utility model includes a lower tank 11 and an upper tank 12, wherein the lower tank 11 is provided with a lower frame, a front lower side plate 111, a rear lower side plate, a left lower end plate 112 and a right lower end plate fixed to the lower frame, the upper tank 12 is provided with an upper frame fixed to the lower frame, a front upper side plate 121, a rear upper side plate, a right upper end plate and a right upper plate 122 fixed to the upper frame, a left tank 13 extending leftward is provided at an upper half of the upper tank 12, the left tank 13 is provided with a left frame, a left front side plate 131, a left rear side plate, a left upper end plate 132 and a left upper plate 133 fixed to the left frame, a bracket frame 14 is fixed to a left end of the left tank 13, and a vehicle passage 15 is formed between the bracket frame 14 and the lower tank 11. Two rows of charging devices 2 distributed longitudinally are arranged in the lower cabin 11, n in total are arranged in the two rows of charging devices 2, and the battery packs 3 are respectively arranged on n-1 charging devices 2, namely one charging device 2 is left empty so as to place the battery packs 3 detached from the vehicle. A power exchanging channel 4 communicated with a vehicle channel 15 is formed between the two rows of charging devices 2, and a row hanging system for hanging the battery pack 3 is arranged in the upper cabin 12 and the left cabin 13.

The light-weight power exchange station with simple structure, small integration, light weight, low cost and strong practicability is formed through the structure. In practical application, when the battery pack on the vehicle is insufficient in electric quantity, the vehicle is driven into the vehicle channel 15, the on-vehicle battery pack is lifted from the power exchange channel 4 to the empty charging device 2 for charging through the crane system, and the fully charged battery pack 3 is lifted to the vehicle through the power exchange channel 4, so that the purpose of quick power exchange can be realized. The utility model can carry out modularized production and assembly by adopting the structure formed by combining the lower cabin 11 and the upper cabin 12, and is beneficial to storage and transportation; through setting up two rows of charging device 2 in the cabin body 1 to make and form between two rows of charging device 2 and trade electric passageway 4, only need hang slightly that battery package 3 makes it break away from charging device 2 and can make a round trip to transport in trading electric passageway, reduced the whole height of the cabin body 1, improved stability and security, and reduced the construction material and the weight of the cabin body 1, saved the cost, be favorable to realizing the lightweight. It should be noted that the vehicle and the electric truck herein should be understood in the same concept.

As a specific embodiment, as shown in fig. 5 to 8, the present utility model makes the charging device 2 adopt the following structure: comprises a supporting frame 21 and a charger (not shown in the figure) arranged in the supporting frame 21, wherein a supporting plate 22 is arranged on the supporting frame 21 through an elastic buffer mechanism, a socket (not shown in the figure) connected with the charger is arranged on the supporting plate 22, and the socket is matched with a plug (not shown in the figure) on the battery pack 3. In order to realize automatic butt joint, the charging device 2 and the battery pack 3 are generally provided with plug and socket structures matched with each other in the field, the stability of supporting the battery pack 3 is guaranteed by arranging the supporting frame 21 in the specific embodiment, the supporting plate 22 is installed through the elastic buffer mechanism, the socket connected with the charger is installed on the supporting plate 22, and the adaptability of the socket to the plug of the battery pack 3 and the reliability of connection of the socket and the battery pack 3 are improved by utilizing the elastic buffer function of the elastic buffer mechanism. As a specific embodiment, the present utility model adopts the following structure for the elastic buffer mechanism: the guide device comprises a plurality of guide rods, wherein the guide rods respectively penetrate through a support plate 22 and a support plate 23 fixed on a support frame 21, a spring 24 sleeved on the guide rods is arranged between the support plate 23 and the support plate 22, an anti-drop head is arranged at the upper end of each guide rod, and an anti-drop nut is screwed at the lower end of each guide rod. The elastic buffer mechanism has the characteristics of simple structure, good buffer effect and strong adaptability.

As a specific embodiment, the utility model is provided with four first guide posts 25 and two second guide posts 26 which are matched with the battery pack 3 on the supporting frame 21, and the first guide posts 25 and the second guide posts 26 are both square structures, the upper ends of the first guide posts 25 are in inclined structures with low outside and high inside in the transverse direction, and the upper ends of the second guide posts 26 are in inclined structures with low outside and high inside in the longitudinal direction. This arrangement is when the battery package 3 is placed on braced frame 21 from top to bottom, can carry out horizontal spacing, direction to the battery package 3 through four first guide posts 25 and inclined planes thereof, can carry out vertical spacing, direction to the battery package 3 through two second guide posts 26 and inclined planes thereof, has improved the simplicity and the work efficiency of battery package 3 and braced frame 21 butt joint. In order to improve the docking precision, the present embodiment further provides more than two first positioning posts 27 on the support frame 21, and makes the upper ends of the first positioning posts 27 have a tapered structure. It should be noted that the structure of the battery pack 3 is well known to the skilled person, and specifically includes a mounting frame 31 and a plurality of batteries (not shown) fixed on the mounting frame 31, the batteries are connected with plugs fixed on the mounting frame 31, the bottom frame 32 of the mounting frame 31 is arranged to match the supporting frame 21, the positioning block 33 on the bottom frame 32 is arranged to have a positioning hole matched with the first positioning post 27, and the top frame 34 matched with the crane system is arranged on the top of the mounting frame 31. The four first guide posts 25 are symmetrically distributed in pairs and are matched with two side beams of the frame 32 at the bottom of the battery pack 3 in the transverse direction, and the two second guide posts 26 are symmetrically distributed and are matched with two side beams of the frame 32 at the bottom of the battery pack 3 in the longitudinal direction. The above-described transverse and longitudinal directions are described with reference to the length and width of the battery pack 3, the longitudinal direction of the battery pack 3, and the transverse direction of the battery pack 3.

As a specific embodiment, the present utility model provides a traveling crane system with a crane 5 and a spreader 6, as shown in fig. 9 to 19. The crane 5 is provided with two longitudinal guide rails 51 fixed in the upper cabin 12 and the left cabin 13, a longitudinal moving frame 52 is arranged on the longitudinal guide rails 51, two transverse guide rails 521 are fixed on the longitudinal moving frame 52, a transverse moving frame 53 is arranged on the transverse guide rails 521, and a lifting mechanism is arranged on the transverse moving frame 53, wherein the lifting mechanism is in a form of being composed of a lifting speed reducer 54, four fixed pulleys 55 and four steel wires 56, the lifting speed reducer 54 is fixed on the transverse moving frame 53, an input shaft of the lifting speed reducer 54 is connected with a lifting driving motor (not shown in the figure), two ends of an output shaft of the lifting speed reducer 54 are respectively fixed with rope reeling wheels 541, the four fixed pulleys 55 are correspondingly arranged at four corners of the transverse moving frame 53, one ends of the four steel wires 56 are respectively connected with the rope reeling wheels 541, and the other ends of the four steel wires 56 correspondingly bypass the four fixed pulleys 55 and are connected with the transverse moving frame 53; the lifting appliance 6 is provided with a lifting frame 62 correspondingly connected with four steel wire ropes 56 through four movable pulleys 61, four lifting hook assemblies 63 are arranged on the lifting frame 62, the lifting hook assemblies 63 are provided with rotating shafts 631 which are arranged on the lifting frame 62 through bearings, the upper end and the lower end of the rotating shafts 631 are correspondingly and vertically fixed with a swinging arm 632 and a hanging plate 633, wherein the swinging arm 632 of the two lifting hook assemblies 63 on the left side in the longitudinal direction is connected with a first rotation driving device, and the swinging arm 632 of the two lifting hook assemblies 63 on the right side in the longitudinal direction is connected with a second rotation driving device. The traveling crane system has the characteristics of simplicity and convenience in operation, good stability and strong adaptability. When the power is replaced, firstly, the lifting appliance 6 is moved to the position right above the battery pack 3 through the crane 5, and the lifting appliance 6 is dropped onto the top frame 34 of the battery pack 3; then the hanging plates 633 of the four hanging hook assemblies 63 are rotated to the lower side of the boundary beam of the top frame 34 through the first rotary driving device and the second rotary driving device, so that the hanging tool 6 and the battery pack 3 can be connected together; then, the battery pack 3 is moved up from the charging device 2 to the vehicle or from the vehicle to the charging device 2 by the crane 5, and the hanging plates 633 of the four hook assemblies 63 are rotated to the lower side of the lifting frame 62 by the first rotation driving device and the second rotation driving device, so that the connection between the hanger 6 and the battery pack 3 can be released. According to the lifting mechanism, the lifting mechanism is in a form of being composed of the lifting speed reducer 54, the fixed pulleys 55 and the steel wire ropes 56, the lifting appliance 6 is correspondingly connected with the four steel wire ropes 56 through the four movable pulleys 61, the four steel wire ropes 56 can keep synchronous motion in the lifting process, the stability of lifting motion is improved, abrasion can be effectively slowed down through the cooperation of the steel wire ropes 56, the fixed pulleys 55 and the movable pulleys 61, the service life is prolonged, and the safety and the reliability are improved; by having the spreader 6 provided with the travelling block 61, lifting frame 62 and four hook assemblies 63, the stable reliability of the connection is ensured in cooperation with the top rim 34 of the battery pack 3.

As a specific embodiment, the present utility model mounts guide rollers on the swing arm 632 of the hook assembly 63 through a support shaft, and makes the first rotation driving device and the second rotation driving device adopt the following structural forms: a first rotary driving device is provided with a first electric push rod 64 with one end hinged on the lifting frame 62, the other end of the first electric push rod 64 is hinged with a first slide plate 65, a first slide block 651 is fixed at the bottom of the first slide plate 65, the first slide block 651 is in sliding fit with a first guide rail 652 fixed on the lifting frame 62, first oblong holes are respectively arranged at two ends of the first slide plate 65, and guide rollers of two lifting hook assemblies 63 at the longitudinal left side are correspondingly arranged in the first oblong holes at two ends of the first slide plate 65; the second rotation driving device is provided with a second electric push rod 66 with one end hinged on the lifting frame 62, the other end of the second electric push rod 66 is hinged with a second slide plate 67, a second slide block 671 is fixed at the bottom of the second slide plate 67, the second slide block 671 is in sliding fit with a second guide rail 672 fixed on the lifting frame 62, two ends of the second slide plate 67 are respectively provided with a second oblong hole, and the guide rollers of the two lifting hook assemblies 63 on the longitudinal and right sides are correspondingly arranged in the second oblong holes on the two ends of the second slide plate 67. The first sliding plate 65 and the second sliding plate 67 are correspondingly driven to longitudinally slide by the first electric push rod 64 and the second electric push rod 66, so that the corresponding guide rollers of the lifting hook assembly 63 correspondingly roll in the first oblong hole and the second oblong hole and the hanging plate 633 turns, and the connection or disconnection of the lifting appliance 6 and the battery pack 3 is realized.

As a specific embodiment, four third guide posts 68 and two fourth guide posts 69 are fixed on the lower side of the lifting frame 62, and the third guide posts 68 and the fourth guide posts 69 are both square, wherein the lower ends of the third guide posts 68 are inclined planes with inner low and outer high in the transverse direction, and the lower ends of the fourth guide posts 69 are inclined planes with inner high and outer low in the longitudinal direction. The same guiding and limiting actions as the first guiding post 25 and the second guiding post 26, when the lifting frame 62 is placed on the top frame 34 of the battery pack 3 from top to bottom, the lifting frame 62 can be transversely limited and guided through the four third guiding posts 68 and the inclined planes thereof, and the lifting frame 62 can be longitudinally limited and guided through the two fourth guiding posts 69 and the inclined planes thereof, so that the convenience and the working efficiency of butt joint of the lifting frame 62 and the battery pack 3 are improved. As a specific embodiment, in order to control the longitudinal movement, the utility model installs four longitudinal movement rollers 522 matched with the longitudinal guide rail 51 on the longitudinal movement frame 52, and fixes a longitudinal movement speed reducer 523 on the longitudinal movement frame 52, wherein, the input shaft of the longitudinal movement speed reducer 523 is connected with a longitudinal movement driving motor (not shown in the figure), and the two ends of the output shaft of the longitudinal movement speed reducer 523 are respectively connected with two longitudinal movement rollers 522 which are symmetrically distributed left and right in the transverse direction correspondingly through a coupling 524. The device has the characteristics of simple structure and convenient operation, and the longitudinal moving frame 52 can move along the longitudinal guide rail 51 only by driving the two longitudinal moving rollers 522 to rotate through the longitudinal moving speed reducer 523. Meanwhile, in order to facilitate the control of the transverse movement, four transverse moving rollers 531 matched with transverse guide rails 521 are arranged on a transverse moving frame 53, a transmission shaft 532 is arranged between two transverse moving rollers 531 which are symmetrically distributed in the longitudinal direction, a driven gear 533 is arranged on the transmission shaft 532, and a transverse moving speed reducer 534 is fixed on the transverse moving frame 53, wherein an input shaft of the transverse moving speed reducer 534 is connected with a transverse moving driving motor (not shown in the figure), a driving gear 535 is arranged on an output shaft of the transverse moving speed reducer 534, and a transmission chain 536 is arranged between the driving gear 535 and the driven gear 533. This arrangement allows the traversing frame 53 to move along the traversing rail 521 by simply driving the rotation of the two traversing rollers 531 via the traversing decelerator 534.

As an optimization scheme, the longitudinal guide rail 51 adopts a steel rail, the longitudinal moving roller 522 adopts a steel rail wheel, the rim of the longitudinal moving roller 522 is positioned at the outer side of the longitudinal guide rail 51, the longitudinal moving frame 52 is fixedly provided with the longitudinal moving anti-unhooking plates 525 corresponding to the four longitudinal moving rollers 522, and the hook heads of the longitudinal moving anti-unhooking plates 525 are positioned at the inner lower side of the rail heads of the longitudinal guide rail 51. The structure is provided with the wheel rim of the longitudinal movement roller 522 matched with the longitudinal movement anti-falling hook plate 525, so that the longitudinal movement roller 522 can be effectively prevented from falling off the longitudinal guide rail 51, and the safety and the reliability of the longitudinal movement are ensured. Similarly, in this embodiment, a pad 526 is fixed between the transverse rail 521 and the longitudinal moving frame 52, so that the transverse moving roller 531 adopts a rail wheel, the rim of the transverse moving roller 531 is located at the outer side of the transverse rail 521, and transverse moving anti-disengaging plates 537 corresponding to the four transverse moving rollers 531 are fixed on the transverse moving frame 53, so that the hooks of the transverse moving anti-disengaging plates 537 are located at the inner lower side of the pad 526. This structure sets up through sideslip anticreep hook plate 537 cooperation sideslip gyro wheel 531's rim, can prevent effectively that sideslip gyro wheel 531 from coming off from transverse guide 521, has guaranteed the fail safe nature of sideslip. In practical application, positioning cylinders 538 are fixed at intervals on the lower side of the traverse frame 53, so that the lower port of the positioning cylinder 538 adopts a horn-shaped structure, a second positioning column 610 matched with the positioning cylinder 538 is fixed on the lifting frame 62, a limit sleeve 611 is sleeved on the lower half section of the second positioning column 610, and the upper end of the second positioning column 610 adopts a conical structure. When the lifting appliance 6 and the battery pack 3 are lifted, the second positioning column 610 is inserted into the positioning cylinder 538, so that the lifting appliance 6 and the transverse moving frame 53 are kept relatively fixed, and shaking can be effectively avoided in the moving process.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the utility model as claimed, and various modifications made by those skilled in the art according to the technical solution of the present utility model should fall within the scope of the utility model as defined in the claims without departing from the design concept of the present utility model.

Claims (9)

1. The lightweight power exchange station is characterized by comprising a cabin body (1) formed by combining a lower cabin body (11) and an upper cabin body (12), wherein the lower cabin body (11) comprises a lower frame, a front lower side plate (111), a rear lower side plate, a left lower end plate (112) and a right lower end plate which are fixed on the lower frame, the upper cabin body (12) comprises an upper frame fixed on the lower frame, a front upper side plate (121), a rear upper side plate, a right upper end plate and a right top plate (122) which are fixed on the upper frame, the upper half part of the upper cabin body (12) extends leftwards to form a left cabin body (13), the left cabin body (13) comprises a left front side plate (131), a left rear side plate, a left upper end plate (132) and a left top plate (133) which are fixed on the left frame, a bracket frame (14) is fixed at the left end of the left cabin body (13), and a vehicle channel (15) is formed between the bracket frame (14) and the lower cabin body (11); two rows of charging devices (2) distributed longitudinally are arranged in the lower cabin body (11), n in number of the two rows of charging devices (2) are respectively arranged on n-1 charging devices (2), a power exchanging channel (4) communicated with a vehicle channel (15) is formed between the two rows of charging devices (2), and a line hanging system for hanging the battery packs (3) is arranged in the upper cabin body (12) and the left cabin body (13); the charging device (2) comprises a supporting frame (21) and a charger arranged in the supporting frame (21), wherein a support plate (22) is arranged on the supporting frame (21) through an elastic buffer mechanism, a socket connected with the charger is arranged on the support plate (22), and the socket is matched with a plug on the battery pack (3); the elastic buffer mechanism comprises a plurality of guide rods, the guide rods respectively penetrate through a support plate (22) and a support plate (23) fixed on a support frame (21), springs (24) sleeved on the guide rods are arranged between the support plate (23) and the support plate (22), anti-falling heads are arranged at the upper ends of the guide rods, and anti-falling nuts are arranged at the lower ends of the guide rods in a rotating mode.

2. A lightweight power exchange station as claimed in claim 1, wherein the supporting frame (21) is provided with four first guide posts (25) and two second guide posts (26) which are matched with the battery pack (3), the first guide posts (25) and the second guide posts (26) are square structures, the upper ends of the first guide posts (25) are inclined planes with lower outside and higher inside in the transverse direction, and the upper ends of the second guide posts (26) are inclined planes with lower outside and higher inside in the longitudinal direction; the supporting frame (21) is also provided with more than two first positioning columns (27), and the upper ends of the first positioning columns (27) are conical.

3. A lightweight power exchange station as claimed in claim 2, wherein the battery pack (3) comprises a mounting frame (31) and a plurality of batteries fixed on the mounting frame (31), the batteries are connected with plugs fixed on the mounting frame (31), a bottom side frame (32) of the mounting frame (31) is arranged in a matched mode with the supporting frame (21), positioning blocks (33) on the bottom side frame (32) are provided with positioning holes matched with the first positioning columns (27), and a top side frame (34) matched with the crane system is arranged at the top of the mounting frame (31); the four first guide posts (25) are symmetrically distributed in pairs and are matched with two side beams of the bottom frame (32) of the battery pack (3) in the transverse direction, and the two second guide posts (26) are symmetrically distributed and are matched with two side beams of the bottom frame (32) of the battery pack (3) in the longitudinal direction.

4. A lightweight power exchange station according to claim 3, characterized in that the traveling crane system comprises a crane (5) and a lifting appliance (6), the crane (5) comprises two longitudinal guide rails (51) fixed in an upper cabin (12) and a left cabin (13), the longitudinal guide rails (51) are provided with longitudinal moving frames (52), the longitudinal moving frames (52) are fixedly provided with two transverse guide rails (521), the transverse guide rails (521) are provided with transverse moving frames (53), the transverse moving frames (53) are provided with lifting mechanisms, the lifting mechanisms comprise a lifting speed reducer (54), four fixed pulleys (55) and four steel wire ropes (56), the lifting speed reducer (54) is fixed on the transverse moving frames (53), an input shaft of the lifting speed reducer (54) is connected with a lifting driving motor, two ends of an output shaft of the lifting speed reducer (54) are respectively fixed with rope rolling wheels (541), the four fixed pulleys (55) are correspondingly arranged at four corners of the transverse moving frames (53), one ends of the four steel wire ropes (56) are respectively connected with the rope rolling wheels (541), and the other ends of the four steel wire ropes (56) are correspondingly wound around the four fixed pulleys (55); the lifting appliance (6) comprises a lifting frame (62) which is correspondingly connected with four steel wire ropes (56) through four movable pulleys (61), four lifting hook assemblies (63) are arranged on the lifting frame (62), each lifting hook assembly (63) comprises a rotating shaft (631) which is arranged on the lifting frame (62) through a bearing, a swing arm (632) and a hanging plate (633) are correspondingly and vertically fixed at the upper end and the lower end of each rotating shaft (631), a first rotary driving device is connected with the swing arm (632) of each lifting hook assembly (63) on the left side in the longitudinal direction, and a second rotary driving device is connected with the swing arm (632) of each lifting hook assembly (63) on the right side in the longitudinal direction.

5. The lightweight power exchange station as claimed in claim 4, wherein guide rollers are mounted on the swing arms (632) of the hook assemblies (63) through support shafts, the first rotary driving device comprises a first electric push rod (64) with one end hinged to the lifting frame (62), the other end of the first electric push rod (64) is hinged to a first slide plate (65), a first slide block (651) is fixed to the bottom of the first slide plate (65), the first slide block (651) is in sliding fit with a first guide rail (652) fixed to the lifting frame (62), first long round holes are respectively formed in two ends of the first slide plate (65), the guide rollers of the two hook assemblies (63) on the longitudinal left sides are correspondingly arranged in the first long round holes in two ends of the first slide plate (65), the second rotary driving device comprises a second electric push rod (66) with one end hinged to the lifting frame (62), a second slide plate (67) is hinged to the other end of the second electric push rod (66), a second slide block (671) is fixed to the bottom of the second slide plate (67), the second slide block (671) is in sliding fit with the first guide rail (652) fixed to the lifting frame (62), two guide rollers of the two hook assemblies (63) on the longitudinal left sides are correspondingly arranged in the long round holes on the two ends of the second slide plate (67) on the lifting frame (67).

6. The lightweight power exchange station as claimed in claim 5, wherein four third guide posts (68) and two fourth guide posts (69) are fixed to the lower side of the lifting frame (62), the third guide posts (68) and the fourth guide posts (69) are square structures, the lower ends of the third guide posts (68) are inclined planes with the inner height and the outer height in the transverse direction, and the lower ends of the fourth guide posts (69) are inclined planes with the inner height and the outer height in the longitudinal direction.

7. The lightweight power exchange station according to claim 4, wherein four longitudinally moving rollers (522) matched with the longitudinal guide rail (51) are mounted on the longitudinally moving frame (52), a longitudinally moving speed reducer (523) is further fixed on the longitudinally moving frame (52), an input shaft of the longitudinally moving speed reducer (523) is connected with a longitudinally moving driving motor, and two ends of an output shaft of the longitudinally moving speed reducer (523) are correspondingly connected with two longitudinally moving rollers (522) which are symmetrically distributed left and right in the transverse direction through a coupler (524); four traversing rollers (531) matched with a transverse guide rail (521) are arranged on the traversing frame (53), a transmission shaft (532) is arranged between the two traversing rollers (531) which are symmetrically distributed in the longitudinal direction, a driven gear (533) is arranged on the transmission shaft (532), a traversing speed reducer (534) is further fixed on the traversing frame (53), an input shaft of the traversing speed reducer (534) is connected with a traversing driving motor, a driving gear (535) is arranged on an output shaft of the traversing speed reducer (534), and a transmission chain (536) is arranged between the driving gear (535) and the driven gear (533).

8. The lightweight power exchange station as claimed in claim 7, wherein the longitudinal guide rail (51) is a steel rail, the longitudinal moving rollers (522) are steel rail wheels, rims of the longitudinal moving rollers (522) are located at the outer sides of the longitudinal guide rail (51), longitudinal moving frames (52) are fixedly provided with longitudinal moving anti-unhooking plates (525) corresponding to the four longitudinal moving rollers (522), and hook heads of the longitudinal moving anti-unhooking plates (525) are located at the inner lower sides of rail heads of the longitudinal guide rail (51); backing plates (526) are fixed between the transverse guide rails (521) and the longitudinal moving frames (52), the transverse moving rollers (531) are steel rail wheels, the rims of the transverse moving rollers (531) are located on the outer sides of the transverse guide rails (521), transverse moving anti-falling hook plates (537) corresponding to the four transverse moving rollers (531) are fixed on the transverse moving frames (53), and the hook heads of the transverse moving anti-falling hook plates (537) are located on the inner lower sides of the backing plates (526).

9. The lightweight power exchange station as claimed in claim 4, wherein positioning cylinders (538) are fixed on the lower side of the traverse frame (53) at intervals, the lower ports of the positioning cylinders (538) are horn-shaped, second positioning columns (610) matched with the positioning cylinders (538) are fixed on the lifting frame (62), limiting sleeves (611) are sleeved on the lower half sections of the second positioning columns (610), and the upper ends of the second positioning columns (610) are conical.