CN203142639U

CN203142639U - Single-way replacing robot for battery box of electric commercial vehicle

Info

Publication number: CN203142639U
Application number: CN 201320149256
Authority: CN
Inventors: 厉秉强; 陈嵩; 尚文政; 高先进; 陈凡明; 贾增东
Original assignee: Shandong Luneng Intelligence Technology Co Ltd
Current assignee: Shandong Luneng Intelligence Technology Co Ltd
Priority date: 2013-03-28
Filing date: 2013-03-28
Publication date: 2013-08-21
Anticipated expiration: 2023-03-28

Abstract

The utility model relates to a single-way replacing robot for a battery box of an electric commercial vehicle. According to the single-way replacing robot for the battery box of the electric commercial vehicle, the size of the battery replacing robot is effectively reduced, land is saved, meanwhile, the mounting mode of a battery replacing device of an existing battery replacing robot is changed into a hanging mounting mode, and thus the single-way replacing robot for the battery box of the electric commercial vehicle can be matched with an electric bus easily. The single-way replacing robot for the battery box of the electric commercial vehicle comprises a frame assembly, the frame assembly is installed on a walking assembly, a temporary storage rack is arranged on one side of the frame assembly, and a control cabinet is installed on the other side of the frame assembly. A lifting transmission assembly is installed at the top of the frame assembly, and the lifting transmission assembly is connected with a lifting assembly and is further connected with a weight balancing assembly. An object stage assembly capable of rotating on the spot is hung on the lower portion of the lifting assembly, and a pallet fork assembly and a battery pushing hand assembly are arranged at the bottom of the object stage assembly. V-shaped wheel sets matched with rectangular steel stand columns of the battery replacing robot frame are arranged at the four corners of the lifting assembly. An object stage assembly rotation driving device is arranged on the lifting assembly, and a limiting device is arranged on the object stage assembly.

Description

One-way replacement robot for battery box of electric commercial vehicle

Technical Field

The utility model relates to a battery box trades electric robot, especially relates to an electronic commercial car battery box single journey changes robot.

Background

As an important component of new energy strategies and smart grids, electric vehicles are becoming the key point for the automotive industry and energy development. In the field of electric automobiles, commercial operation of electric commercial vehicles is particularly prominent, and the key point of commercial operation of electric commercial vehicles is energy supply of vehicles, namely energy is provided by a battery box.

At present, energy supply is mainly divided into charging and battery replacement, the charging has the defects of long waiting time and the like, the battery replacement scheme of the electric vehicle has higher feasibility degree in terms of the current development form, and each battery box is large in size, heavy in weight and low in manual replacement efficiency due to the fact that the electric vehicle is composed of a plurality of battery boxes, so that the replacement of the battery boxes becomes the technical problem of the industrial development of the electric commercial vehicle. In order to solve the technical problem, a quick battery box replacing robot is provided, and the battery pack can be completely replaced within 8-10 minutes.

Chinese patent CN101214814A proposes a four-box replacement method to solve the problem of replacing battery boxes, but this method is replaced at the same time, the precision required for machining the mechanical structure is too high, and after deformation occurs, the positioning difficulty is large.

Chinese patent CN102673536A proposes an independent and symmetrical battery replacement mechanism, in which battery racks on both sides can rotate, stretch, and lift independently, and need to rotate 180 degrees when replacing batteries, thus resulting in large floor area, and the rotation function of the battery racks on both sides can be omitted, and only the middle battery replacement function is left to meet the use requirement, and the repeated rotation function results in the improvement of the complexity of the mechanical mechanism.

The rotating device of the chinese patent CN202641653A is installed at the bottom of the tray, which results in an increase in height, and affects the battery replacement effect for vehicles with a lower chassis.

Therefore, the existing battery box replacement mode has the following technical defects:

1. the rotating device of the current battery replacement equipment on the market is arranged at the bottom, so that the height is limited, and in the battery replacement process, the battery replacement operation cannot be completed for the vehicle with a lower chassis, so that the adaptability is weak;

2. the mutual matching among a plurality of devices or the repeated movement of a single device is adopted, and the battery replacement mode causes large area of a battery replacement area, long battery replacement time, multiple repeated positioning times, complex control program, high failure rate and the like, so that the battery replacement efficiency is seriously influenced.

3. The front and back and left and right positioning of the lifting device adopt the front and back directions of 8 wheels, and the left and right directions of 8 wheels cause the problems of high structural complexity, high positioning difficulty, difficult adjustment and the like.

4. The drive part of the lifting transmission device is mostly arranged at the top end of the equipment, and because the number of the battery boxes carried by the object stage is different, along with the increase of the weight, the power of the drive device is increased therewith, the structure at the top end of the equipment is influenced, and the power consumption is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present and having work stroke big, the process is numerous and diverse, the complexity is high, it is long to trade the electric time, area is big, the consumption loss is big, spacing mode is unreasonable scheduling problem, an electronic commercial car battery box single-trip is changed robot is provided, it has effectively reduced the volume that trades the electric robot, the land is saved, the consumption is reduced, trade the electric time has been shortened, the current mounting means who trades the electric device among the electricity trading robot has been changed simultaneously, become the suspension type installation, easily cooperate with electric bus.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electronic commercial car battery box single-trip changes robot, it includes:

the frame assembly is arranged on the walking assembly;

one side of the frame combination is a temporary storage rack for the battery box, and the other side of the frame combination is provided with a control cabinet;

the top of the frame combination is provided with a lifting transmission combination, the lifting transmission combination is connected with a lifting combination, and the lifting combination is connected with a counterweight combination;

the lifting combination is arranged in the frame combination and moves up and down, and four corners of the lifting combination are provided with positioning wheel sets matched with the rectangular steel upright posts of the frame combination;

the object stage combination is hung at the lower part of the lifting combination in a free rotation mode, and meanwhile, the object stage combination is connected with the object stage combination rotation driving device, so that the object stage combination freely rotates in situ at the hanging position, and the object stage combination is also provided with a rotation limiting device;

a fork assembly and a battery pushing handle assembly for replacing the battery box are arranged at the bottom of the objective table assembly;

the control cabinet is communicated with the background computer, and controls motors in the walking combination, the lifting transmission combination, the objective table combination rotation driving device, the fork combination and the battery pushing handle combination through the monitoring system to complete the walking and battery replacing actions of the single-pass replacement robot for the battery box of the electric commercial vehicle.

The lifting combination comprises:

the lifting square steel frame is provided with positioning wheel sets at four corners, and the positioning wheel sets are V-shaped wheel sets;

lifting connecting plates are further arranged at four corners of the lifting square steel frame and are used for connecting the lifting transmission combination and the counterweight combination;

the middle part of the lifting square steel frame is provided with a hollow lifting mounting plate, the lifting mounting plate is provided with a plurality of lifting reinforcing ribs, and the reinforcing rib part positioned in the middle extends out;

the bottom of the lifting mounting plate is provided with an objective table combination rotation driving device, and the objective table combination is hung on the objective table combination rotation driving device.

The object stage combined rotation driving device comprises a turntable bearing, the turntable bearing is positioned at the lower part of the hollowed-out part of the lifting mounting plate and is meshed with a lifting gear, the lifting gear is connected with a lifting motor through a lifting speed reducer, and the lifting motor is connected with the control cabinet; the inner ring of the turntable bearing is slightly higher than the outer ring, and the inner ring is fixedly connected with the lifting mounting plate.

The number of the V-shaped wheel groups is 8, the V-shaped wheel groups are divided into four pairs, each pair of V-shaped wheel groups is respectively arranged at two ends of a steel pipe, and the steel pipes are fixedly connected to four corners of the lifting square steel frame; every V type wheelset all has a V type gyro wheel, and two equal blocks of medial surface of every V type gyro wheel are on the right angle side of corresponding rectangle steel stand.

The stage assembly includes:

welding a main body frame which is of a square three-dimensional structure;

the pitching motor and the pitching speed reducer are welded at the bottom of one side of the main body frame, an output shaft of the pitching speed reducer is provided with a pitching gear, the pitching gear drives the fork assembly to complete pitching motion, and the pitching motor is connected with the control cabinet; the bottom of the front side and the bottom of the rear side of the welding main body frame are respectively welded with a pitching bearing seat mounting plate, and the fork assembly is mounted on the pitching bearing seat mounting plate;

the turntable bearing outer ring mounting plate is welded at the top of the main body frame, the limiting block mounting plate is arranged below the turntable bearing outer ring mounting plate, and the limiting device is arranged on the limiting block mounting plate;

the limiting device is of a sliding type structure and consists of a limiting slide rail and a limiting slide block, the limiting slide rail is fixed, the limiting slide block and the limiting slide rail move in a matched mode, and two ends of the limiting slide rail are limited by limiting baffles respectively.

The fork combination is divided into an upper layer and a lower layer:

one side under the lower layer pallet fork is provided with a partial gear, the partial gear is a part which is taken after one gear is cut off and comprises a plurality of teeth, and the partial gear is meshed with the pitching gear; a pallet fork motor and a pallet fork speed reducer are arranged in the middle of the lower surface of the lower pallet fork, and a pallet fork driving gear is arranged on an output shaft of the pallet fork speed reducer; a long hole is formed in the middle of the lower layer fork, and a part of the fork driving gear is exposed out of the long hole; the front side and the rear side of the lower layer fork are provided with a pitching bearing seat, and the pitching bearing seat is arranged on a pitching bearing seat mounting plate; a groove track is arranged on the lower layer pallet fork;

a track strip is arranged below the upper layer pallet fork, a nylon block is arranged on the track strip, and the nylon block reciprocates in the groove track; a pallet fork driving rack is arranged below the upper layer pallet fork and meshed with the pallet fork driving gear; a plurality of rows of roller mounting seats are mounted on the upper layer pallet fork, the outer side surfaces of the mounting seats on two sides are flush with the outer side surface of the upper layer pallet fork, rollers I are mounted in the mounting seats on two sides, rollers II are mounted in the middle mounting seat, a battery pushing handle driving rack is mounted on the left side of the middle mounting seat, a battery pushing handle sliding rail is arranged between the mounting seats on two sides and the mounting seat in the middle, and the battery pushing handle is mounted on the battery pushing handle sliding rail in a combined manner; regional positioning sensor DMP is installed to two outsides of upper strata fork, and fork motor, regional positioning sensor DMP all are connected with the switch board.

The battery pushing handle assembly is formed by welding plates and is an L-shaped mechanism, the L-shaped mechanism consists of a vertical plate and a flat plate, and a rib plate is arranged at the joint of the vertical plate and the flat plate;

an RFID reader-writer for reading information of the battery box is arranged in front of the vertical plate, laser ranging sensor mounting seats are arranged behind two sides of the vertical plate, laser ranging sensors are arranged on the mounting seats, and the laser ranging sensors are used for measuring the distance and the horizontal angle between the battery push handle and the battery box;

an unlocking mechanism driving motor is arranged in the middle of the vertical plate, and an output shaft of the unlocking mechanism driving motor is connected with the unlocking head; a battery push handle driving motor is arranged on the flat plate, sliding installation seats are arranged on two sides of the bottom surface of the flat plate, and the sliding installation seats are matched with the battery push handle sliding rails to realize the movement of the battery push handle;

the RFID reader-writer, the laser ranging sensor and the unlocking mechanism driving motor are all connected with the control cabinet.

The unlocking head is in a disc shape and is divided into two semicircular opening sleeves, a rotator and an embedded disc;

the two semicircular opening sleeves are fixedly connected with a vertical plate combined with the battery push handle;

the rotator is in a shape of a Chinese character 'tu', and a disc with a slightly smaller diameter at the upper end is matched with the two semicircular open sleeves and rotates in the sleeves; the middle vertical cylinder is matched with an output shaft of a driving motor of the unlocking mechanism, and a disc with a large diameter at the lower end is fixedly connected with the embedded disc;

the middle of the embedded disc is provided with an embedded linear mechanism, and the inner surface of the embedded disc is welded with a limiting block.

The frame assembly includes:

the outer parts of the middle frame and the two side frames are provided with sheet metal skins;

the middle frame is formed by connecting and combining an upper welding surface, a lower welding surface and four rectangular steel stand columns, and the lifting transmission combination is arranged on the upper welding surface;

the frames on the two sides are also in a rectangular steel structure, the upper ends of the frames are fixedly connected with the middle frame, and the bottoms of the frames are fixedly connected with the walking combined channel steel frame; the counterweight combination is arranged in the frames at the two sides;

the walking combination mainly comprises a walking driving motor, a walking speed reducer, a channel steel frame, a transmission shaft, a coupler and a track wheel, wherein the walking driving motor outputs power to drive the transmission shaft to rotate through the power output from two sides of the walking speed reducer, and the transmission shaft drives the track wheel to realize a walking function; the walking driving motor is connected with the control cabinet.

The lifting transmission combination comprises:

a pair of lifting transmission shafts which are arranged at the top of the middle frame in parallel, one end of each of the lifting transmission shafts is linked through a chain,

two ends of the two lifting transmission shafts are respectively provided with a lifting transmission chain wheel, the bottom of the middle frame and the position corresponding to the lifting transmission chain wheel at the top are also provided with corresponding lifting transmission chain wheels, and the corresponding lifting transmission chain wheels are connected through a lifting transmission chain;

the lifting transmission driving motor and the lifting transmission speed reducer are also arranged at the top of the middle frame, and the lifting transmission speed reducer is connected with a lifting transmission shaft;

the lifting transmission driving motor is connected with the control cabinet.

The counterweight combination comprises:

two pairs of solid steel block combinations are respectively positioned in the frames at the two sides;

the counterweight chain wheel is arranged on the tops of the frames on the two sides;

one end of the counterweight chain is connected with the solid steel block, and the other end of the counterweight chain is connected with the lifting combination through a counterweight chain wheel.

The PLC unit is arranged in the control cabinet and comprises a power supply module, a CPU module, a serial port module, a position module, an analog quantity input module, a switching value output module and a switching value input module, wherein the modules are arranged on a guide rail in the control cabinet side by side and are connected with each other by an interface; wherein,

the CPU module is connected with the touch screen through an RS-232 bus or an Ethernet port;

the serial port module is connected with a background computer through an RS-485 bus and is also connected with a monitoring system;

the switching value output module is connected with the control panel;

the position module is connected with each motor through a driver, and an encoder is arranged at the shaft end part of each motor and is connected with each driver;

the analog quantity input module is connected with the monitoring system;

the switching value input module is further connected with a button, the button comprises a common operation button and an emergency stop button, the emergency stop button is used for carrying out emergency stop on abnormal conditions of the power-change robot in operation, and the priority is first.

The monitoring system includes:

the long-distance laser sensor is arranged on the top of the frame combination;

a bar code sensor which is arranged on a path of the lifting combination which is lifted along the longitudinal direction of the frame combination,

the long-distance laser sensor and the bar code sensor are respectively connected with the serial port module;

the laser ranging sensor and the area positioning sensor DMP are connected with the analog quantity input module;

limit switches are respectively arranged at the ascending and descending limit positions of the lifting combination, at the two limit positions of the fork combination for stretching and contracting and at the two limit positions of the battery pushing handle combination for stretching and contracting; an original point switch is arranged at the output shaft end of a driving motor of the unlocking mechanism, and the original point switch and the limit switch are respectively connected with the switching value input module.

When the battery box temporary storage rack is used, the battery box is firstly lowered to the position of the battery box of the electric automobile by utilizing the lifting transmission combination, then the battery is taken out after being unlocked by utilizing the battery pushing handle combination, then the battery is moved to the temporary storage rack without the battery box, the direction of the battery box is converted by adopting an in-situ turning mode, and then the battery pushing handle combination is utilized to place the battery box into the temporary storage rack; then the lifting combination moves to a temporary storage rack where a battery box filled with electricity is located, the battery box is taken out by the battery pushing handle combination, then the battery box is rotated originally and then descends to the battery box of the electric bus to be taken out, and the battery is sent into the electric bus by the battery pushing handle combination and is locked.

The structures, connection relationships, position relationships and the like which are not described in detail above are all conventional arrangements in the field, belong to common knowledge, and are not described in detail herein.

The utility model has the advantages that:

1. the temporary storage rack is arranged on the battery replacing equipment, all batteries required by one side of the electric vehicle can be taken and replaced at one time, the working stroke is reduced, and the battery replacing time is shortened.

2. The walking mode adopts the double track design, and the double track design is more reliable than single track design stability.

3. The lifting transmission mode adopts a chain wheel and chain transmission mode to realize the transmission of remote force.

4. The battery is replaced by adopting an in-situ rotation mode, and the size of the equipment is reduced by using the mode on the premise of meeting the requirement of transferring the battery box.

5. The rotation mode adopts hanging basket formula structure, and the terrain clearance of equipment further reduces like this, adapts to multiple model electric automobile and trades the electricity, and the practicality obtains improving.

6. The lifting mode uses the matching of V-shaped idler wheels and rectangular steel corners, thereby reducing the using quantity of the idler wheels and meeting the limiting functions of front, back, left and right.

7. The use of the counterweight combination reduces the power of the lifting transmission combination driving motor and lightens the weight.

8. The control system not only enables a control mechanism to be simplified, but also shortens the matching time and the working stroke time between various battery replacing robots or mechanisms, changes the original multi-structure, multi-matching, multi-positioning and multi-repetition working mode of various robots into one-step in place, realizes multi-axis linkage in the battery replacing process of the battery replacing robots, can also realize automatic positioning and posture adjustment of the battery state, automatic identification and quick, accurate and safe replacement of the battery of the electric bus, and further realizes the advantages of functions of battery grabbing, installation and the like. The reliability and the replacement efficiency of the battery replacement equipment are further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a battery swapping assembly;

FIG. 3 is a schematic view of a walking assembly;

FIG. 4 is a schematic view of a frame assembly;

FIG. 5 is a schematic view of a counterweight assembly;

FIG. 6 is a schematic view of a lifting transmission assembly;

FIG. 7 is a schematic view of a lifting assembly;

FIG. 8 is a schematic view of the stage assembly;

FIG. 9 is a schematic view of the structure of the position limiting device;

FIG. 10 is a schematic view of the structure of the fork assembly and the battery assembly;

FIG. 11 is a schematic structural view of an unlocking mechanism;

fig. 12 is a schematic view of an unlocking head structure;

FIG. 13 is a cross-sectional view of FIG. 12;

fig. 14 is a control system configuration diagram.

The device comprises a lifting combination 1, an object stage combination 2, a pallet fork combination 3, a battery pusher combination 4, an unlocking mechanism 5, a limiting device 6, a lifting motor 7, a lifting speed reducer 8, a lifting gear 9, a lifting gear 10, a lifting square steel frame 11, a V-shaped wheel set 12, a turntable bearing 13, a lifting mounting plate 14, a lifting reinforcing rib 15, a lifting connecting plate 16, a welding main body frame 17, a pitching motor 18, a pitching speed reducer 19, a pitching gear 20, a pitching bearing seat mounting plate 21, a turntable bearing outer ring mounting plate 22, a limiting device mounting plate 23, a limiting sliding rail 24, a limiting sliding block 25, a limiting baffle plate 26, a lower pallet fork 26, a part gear 27, a pallet fork motor 28, a pallet fork speed reducer 29, a pallet fork driving gear 30, a pitching bearing seat 31, a groove rail 32, a groove rail 33 and an upper pallet fork, 34. the device comprises a track strip, 35 nylon blocks, 36 pallet fork driving racks, 37 roller mounting seats, 38 rollers I and 39 rollers II and 40 battery pushing handle driving racks, 41 battery pushing handle sliding rails, 42 region positioning sensors DMP, 43 vertical plates, 44 flat plates, 45 rib plates, 46 RFID readers-writers, 47 laser distance measuring sensors, 48 unlocking mechanism driving motors, 49 battery pushing handle driving motors, 50 sliding mounting seats, 51 semicircular opening sleeves, 52 rotators, 53 embedded discs, 54 limiting blocks, 55 unlocking mechanisms, 56 frame combinations, 57 lifting transmission combinations, 58 counterweight combinations, 59 temporary storage frames, 60 walking combinations, 61 control cabinets, 62 walking driving motors, 63 walking speed reducers, 64 couplers, 65 rail wheels, 66 transmission shafts, 67 steel channels, 68 upper welding faces, 69. the device comprises a lower welding surface, 70 rectangular steel columns, 71 frames on two sides, 72 counterweight chains, 73 counterweight chain wheels, 74 solid steel block combinations, 75 lifting transmission driving motors, 76 lifting transmission speed reducers, 77 lifting transmission shafts, 78 lifting transmission chains, 79 lifting transmission chain wheels, 80 background computers, 81 long-distance laser sensors, 82 bar code sensors, 83 control panels, 84 buttons, 85 encoders, 86 origin switches, 87 limit switches, 88 power modules, 89.CPU modules, 90 serial port modules, 91 position modules, 92 analog input modules, 93 switching value output modules, 94 switching value input modules, 95 touch screens and 96 drivers.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

In fig. 1 and fig. 2, the utility model discloses an electronic commercial car battery box changes robot in single pass includes a frame combination 56, is equipped with the whole parcel of panel beating covering in frame combination 56 outside, for the external decoration covering, decorate the covering and divide into a plurality of spare part, form through bolt interconnect equipment, not only pleasing to the eye, can prevent effectively moreover that the foreign matter from getting into inside the battery replacement robot, cause equipment to damage, influence normal work.

A control cabinet 61 and a temporary storage rack 59 of a battery box are respectively arranged at two sides of the frame assembly 56;

a lifting transmission assembly 57 is arranged at the top of the frame assembly 56 for lifting the lifting assembly 1, and counterweight assemblies 58 are arranged at two sides of the frame assembly 56 for assisting the lifting of the lifting assembly 1.

At the bottom of the frame assembly 56 is a walking assembly 60, and the walking assembly 60 moves the entire frame assembly 60.

An object stage assembly 2 which can rotate freely is suspended at the bottom of the lifting assembly, a fork assembly 3, a battery pushing handle assembly 4 and an unlocking mechanism 5 are arranged on the object stage assembly, the object stage assembly is taken down from or sent into a battery box through the fork assembly 3, and the battery pushing handle assembly 4 pushes the battery box into an electric commercial vehicle or a temporary storage rack 59;

because the object stage combination 2 adopts the mode of hanging that can free rotation, after taking off the battery from electronic commercial car, the battery box that turns round in situ can be sent into the battery box who takes off in having the temporary storage frame 59 of vacancy, then will charge the battery box and take off from temporary storage frame 59 again, on returning the battery box back to electronic commercial car after the gyration. The unlocking structure 5 completes unlocking when the battery box is taken down and locking after installation.

The temporary storage frame 59 is formed by bending and combining metal plates, is divided into a plurality of layers and is respectively used for installing an outer frame for containing the battery box. The outer frame is formed by a metal plate bending welding machine, a plurality of rows of U-shaped grooves are formed in the bottom surface of the outer frame, rollers are installed in the U-shaped grooves, and the rollers are I-shaped.

In fig. 3, the walking assembly 60 mainly comprises a walking driving motor 62, a walking speed reducer 63, a channel steel frame 67, a transmission shaft 66, a coupler 64, a track wheel 65, and the like, wherein the walking driving motor 62 outputs power through two sides of the walking speed reducer 63 to drive the transmission shaft 66 to rotate, and the transmission shaft 66 drives the track wheel 65 to realize a walking function.

In fig. 4, the frame assembly 56 mainly comprises a middle frame and two symmetrical side frames 71, the middle frame is formed by connecting and combining an upper welding surface 68, a lower welding surface 69 and four rectangular steel columns 70 through bolts, the two side frames 71 are of rectangular steel structures, the upper ends of the two side frames are fixedly connected with the middle frame, and the bottoms of the two side frames are fixedly connected with the channel steel frame 67 of the walking assembly 60.

In fig. 5, the counterweight assembly 58 mainly comprises a pair of solid steel block assemblies 74, a counterweight chain 72 and a counterweight sprocket 73, wherein one end of the counterweight chain 72 is fixedly connected with the lifting connecting plate 15 of the lifting assembly 1, the other end of the counterweight chain 72 is connected with the solid steel block assemblies 74 through the counterweight sprocket 73, and when the lifting assembly 1 ascends, the counterweight assembly 58 descends through the matching between the counterweight sprocket 73 and the counterweight chain 72. The balance weight sprockets 73 are mounted on top of the side frames 71.

In fig. 6, the lifting transmission assembly 57 mainly includes a lifting transmission driving motor 75, a lifting transmission speed reducer 76, a plurality of lifting transmission sprockets 79, a plurality of lifting transmission chains 78, and a pair of lifting transmission shafts 77.

Two lifting transmission shafts 77 are parallelly arranged on the upper welding surface 68 of the middle frame, and one ends of the two lifting transmission shafts are connected through a lifting transmission chain 78 for linkage; two ends of the two lifting transmission shafts 77 are respectively provided with a lifting transmission chain wheel 79, the corresponding position of the lower welding surface 69 is also provided with a lifting transmission chain wheel 79 corresponding to the upper lifting transmission chain wheel 79, the lifting transmission chain wheels are connected through corresponding lifting transmission chains 78, power is output through the lifting transmission speed reducer 76 to drive the two lifting transmission shafts 77 to rotate, the lifting transmission shafts 77 drive the lifting transmission chain wheels 79 to rotate, and the lifting transmission chain wheels 79 drive the lifting transmission chain wheels 79 of the lower welding surface 68 to rotate through the lifting transmission chains 78, so that lifting transmission is realized.

In fig. 2, 7 and 8, the lifting assembly 1 mainly comprises a lifting motor 7, a lifting reducer 8, a lifting gear 9, a lifting square steel frame 10, a V-shaped wheel set 11, a turntable bearing 12, a lifting mounting plate 13, a lifting reinforcing rib 14 and a lifting connecting plate 15. The lifting square steel frame 10 is provided with a frame plane, four corners of the plane are vertically welded with four steel pipes, 8V-shaped wheel sets 11 are divided into 4 pairs and are respectively arranged at two ends of the four steel pipes;

the lifting mounting plate 13 is welded in the middle of the plane of the frame, and the middle of the lifting mounting plate 13 is hollowed; the lifting reinforcing ribs 14 are welded on the surface of the lifting mounting plate 13 and connected with the plane of the frame, and the lifting reinforcing ribs 14 in the middle extend out to play a role in rotation limiting.

Every V type wheelset 11 mainly comprises gyro wheel mount pad, back shaft, axle sleeve, bearing, V type gyro wheel, the mount pad is formed by bottom plate, both sides mounting panel welding, and bearing inner race and the cooperation of V type gyro wheel hole, back shaft and bearing inner race cooperation, axle sleeve respectively of both sides, back shaft are installed on the mounting panel of both sides, and V type gyro wheel goes up and down along four rectangle steel stand 70 angle limits.

The objective table combination rotation driving device comprises a turntable bearing 12 which is positioned at the lower part of the hollowed-out part of the lifting mounting plate 13 and is meshed with a lifting gear 9, the lifting gear 9 is connected with a lifting motor 7 through a lifting speed reducer 8, and the lifting motor 7 is connected with a control cabinet 61; the inner ring of the turntable bearing 12 is slightly higher than the outer ring, and the inner ring is fixedly connected with the lifting mounting plate 13.

Lifting connecting plates 15 are further arranged at four corners of the plane of the frame and are of I-shaped welding structures and are used for being connected with the lifting transmission chains 78.

In fig. 8, the stage assembly 2 is mainly composed of a welding main body frame 16, a pitch motor 17, a pitch reducer 18, a pitch gear 19, a pitch bearing seat mounting plate 20, a turntable bearing outer ring mounting plate 21, a limiting device mounting plate 22, a limiting device 6, and the like. The welding main body frame 16 is of a square three-dimensional structure, a pitching motor 17 is arranged at the bottom of one side of the welding main body frame 16 to drive a pitching speed reducer 18, and an output shaft of the pitching speed reducer 18 is provided with a pitching gear 19;

two pitch bearing block mounting plates 20 are welded to the front and rear sides of the bottom of the welding body frame 16; the welding of carousel bearing outer lane mounting panel 21 is at the top of main body frame 16, and fretwork in the middle of the carousel bearing outer lane mounting panel 21, and its lower part is stop device mounting panel 22, and stop device 6 installs on stop device mounting panel 22, stop device 6 is the slidingtype structure, and including stop slide rail 23 and stop slide block 24 constitution as shown in fig. 9, stop slide rail 23 is fixed, and stop slide block 24 and stop slide rail 23 cooperation motion, respectively limit baffle 25 is spacing at stop slide rail 23 both ends, restricts objective table combination 2's turned angle.

In fig. 10, the fork assembly 3 has a telescopic function and is divided into an upper layer and a lower layer. A partial gear 27 is arranged on one side of the lower layer of the pallet fork 26, the partial gear 27 is cut off by a gear, and a plurality of teeth are used for meshing with the pitching gear 19 to complete pitching; a pallet fork motor 28 is arranged in the middle of the lower part of the lower layer pallet fork 26 and is provided with a pallet fork speed reducer 29, a pallet fork driving gear 30 is arranged on an output shaft of the pallet fork speed reducer 29, a long hole is formed in the middle of the lower layer pallet fork 26, and a part of the pallet fork driving gear 30 is exposed from the long hole; a pitch bearing seat 31 is arranged at the front and back under the lower layer pallet fork 26, and the pitch bearing seat 31 is arranged on the pitch bearing seat mounting plate 20; the lower layer forks 26 are mounted on top of the slot tracks 32.

A rail bar 34 is arranged below the upper layer pallet fork 33, a nylon block 35 is arranged on the rail bar 34, and the nylon block 35 reciprocates in the groove rail 32; a fork driving rack 36 is also arranged below the upper layer fork 33, and the fork driving rack 36 is meshed with the fork driving gear 30; three rows of roller mounting seats 37 are mounted on the upper layer pallet fork 26, the outer side surfaces of the mounting seats 37 on two sides are parallel and level with the outer side surface of the upper layer pallet fork 33, rollers I38 are respectively mounted in the mounting seats 37 on two sides, rollers II39 are mounted in the mounting seat 37 in the middle, a battery pushing handle driving rack 40 is mounted on the left side of the mounting seat 37 in the middle, and a battery pushing handle sliding rail 41 is mounted between the mounting seats 37 on two sides and the mounting seat 37 in the middle. The front ends of the two sides of the upper layer fork 33 are provided with area positioning sensors DMP42 for adjusting the walking and lifting coordinate values.

In fig. 11, the battery handle assembly 4 is formed by welding plates and is an L-shaped structure, the L-shaped structure is composed of a vertical plate 43 and a flat plate 44, and a welding rib 45 is combined between the vertical plate 43 and the flat plate for increasing strength. An RFID reader-writer 46 for reading information of the battery box is arranged in front of the vertical plate 43, laser ranging sensors 47 are arranged on two sides of the vertical plate 43, the laser ranging sensors 47 are used for measuring the distance and the horizontal angle between the battery push handle and the battery box, and an unlocking mechanism driving motor 48 is arranged in the middle of the vertical plate 43; a battery pushing handle driving motor 49 is installed on the flat plate 44, two sides of the bottom surface of the flat plate 44 are connected with the sliding installation seat 50 through bolts, and the battery pushing handle is matched with the battery pushing handle sliding rail 41 to realize the movement of the battery pushing handle.

In fig. 12-13, the unlocking mechanism 55 is a disk type and is divided into three parts, namely, two semicircular opening sleeves 51, a rotator 52 and an embedded disk 53, wherein the two semicircular opening sleeves 51 are fixedly connected with the vertical plate 43 of the battery push handle assembly; the rotator 52 is in a shape of a Chinese character 'tu', and a disc with a slightly smaller diameter at the upper end is matched with the semicircular open sleeve 51 and rotates in the sleeve; the middle vertical cylinder is matched with an output shaft of the unlocking mechanism driving motor 48, and a disc with a large diameter at the lower end is fixedly connected with the embedded disc 53; the middle of the embedded disc 53 is provided with an embedded linear mechanism, and the inner surface of the embedded disc 53 is welded with a limiting block.

The control cabinet 61 is formed by bending and combining metal plates, is internally provided with a PLC (programmable logic controller) unit, and controls the lifting motor 7, the pitching motor 17, the fork motor 28, the area positioning sensor DMP42, the RFID reader-writer 46, the laser ranging sensor 47, the unlocking mechanism driving motor 48, the battery pushing handle driving motor 49, the walking driving motor 62, the lifting transmission driving motor 75 and the like through acquiring and monitoring system signals.

The PLC unit comprises a power supply module 88, a CPU module 89, a serial port module 90, a position module 91, an analog quantity input module 92, a switching value output module 93 and a switching value input module 94; the modules are arranged on the guide rail in the control cabinet 61 side by side and are connected with each other by the joint;

the CPU module 89 is connected with the touch screen 95 through an RS-232 bus or an Ethernet port;

the serial port module 90 is connected with the background computer 80 through an RS-485 bus;

the position module 91 is connected to a driver 96, the driver 96 drives the motors, and an encoder 85 is provided at a shaft end of each motor, and the encoder 85 is connected to the driver 96.

The analog quantity input module 92 is connected with the monitoring system;

the switching value output module 93 is connected with the control panel 83;

the switching value input module 94 is also connected to the buttons 84, which include a normal operation button and an emergency stop button, and the emergency stop button is used for performing emergency stop on abnormal situations in the operation of the power exchanging robot, and the priority is first.

The monitoring system includes:

a long-range laser sensor 81 mounted on top of the frame assembly 56; the bar code sensor 82 is arranged on a path of the lifting combination 1 along the longitudinal lifting of the frame combination 56 and is respectively used for measuring and positioning the walking and lifting directions of the motor-exchanging robot;

the long-distance laser sensor 81 and the bar code sensor 82 are respectively connected with the serial port module 90;

the laser ranging sensor 47 and the area positioning sensor DMP42 are connected with the analog input module 92;

limit switches 87 are respectively arranged at the ascending and descending limit positions of the lifting combination 1, at the two extending and contracting limit positions of the fork combination 3 and at the two extending and contracting limit positions of the battery push handle combination 4; an origin switch 86 is arranged at the output shaft end of the unlocking mechanism driving motor 48 of the unlocking mechanism 5, and the origin switch 86 and the limit switch 87 are respectively connected with a switching value input module 94.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides an electronic commercial car battery box single-trip changes robot, characterized by, it includes:

the frame assembly is arranged on the walking assembly;

2. The electric commercial vehicle battery box single pass replacement robot of claim 1, wherein the lifting assembly comprises:

3. The robot for one-way replacement of battery box of electric commercial vehicle according to claim 2, wherein the stage assembly rotation driving device comprises a turntable bearing, which is located at the lower part of the hollowed-out part of the lifting mounting plate and is engaged with a lifting gear, the lifting gear is connected with a lifting motor through a lifting reducer, and the lifting motor is connected with the control cabinet; the inner ring of the turntable bearing is slightly higher than the outer ring, and the inner ring is fixedly connected with the lifting mounting plate.

4. The battery box one-way replacing robot for the electric commercial vehicle as claimed in claim 2, wherein the number of the V-shaped wheel sets is 8, the V-shaped wheel sets are divided into four pairs, each pair of the V-shaped wheel sets is respectively arranged at two ends of a steel pipe, and the steel pipes are fixedly connected to four corners of the lifting square steel frame; every V type wheelset all has a V type gyro wheel, and two equal blocks of medial surface of every V type gyro wheel are on the right angle side of corresponding rectangle steel stand.

5. The electric commercial vehicle battery box single pass replacement robot of claim 1, wherein the stage assembly comprises:

welding a main body frame which is of a square three-dimensional structure;

6. The robot for one-way replacement of battery box of electric commercial vehicle according to claim 5, wherein the fork assembly is divided into two layers:

7. The robot for one-way replacement of the battery box of the electric commercial vehicle as claimed in claim 6, wherein the battery pusher assembly is formed by welding plates and is an L-shaped structure, the L-shaped structure is composed of a vertical plate and a flat plate, and a rib plate is arranged at the joint of the vertical plate and the flat plate;

an RFID reader-writer for reading information of the battery box is arranged in front of the vertical plate, and a laser ranging sensor is arranged on the side surface of the vertical plate and used for measuring the distance and the horizontal angle between the battery push handle and the battery box;

8. The robot for one-way replacement of the battery box of the electric commercial vehicle as claimed in claim 7, wherein the unlocking head is in a disc shape and is divided into three parts, namely two semicircular opening sleeves, a rotator and an embedded disc;

9. The electric commercial vehicle battery box single pass replacement robot of claim 1, wherein the frame assembly comprises:

10. The electric commercial vehicle battery box single pass replacement robot of claim 9, wherein the lifting transmission combination comprises:

the lifting transmission driving motor is connected with the control cabinet.

11. The electric commercial vehicle battery box single pass replacement robot of claim 9, wherein the counterweight combination comprises:

a pair of solid steel block combinations are respectively positioned in the frames at the two sides;

12. The robot for one-way replacement of the battery box of the electric commercial vehicle as claimed in claim 1, wherein a PLC controller unit is arranged in the control cabinet, the PLC controller unit comprises a power supply module, a CPU module, a serial port module, a position module, an analog input module, a switching value output module and a switching value input module, and the modules are arranged on a guide rail in the control cabinet side by side and are connected with each other by an interface; wherein,

the switching value output module is connected with the control panel;

the analog quantity input module is connected with the monitoring system;

13. The battery box one-way replacement robot for the electric commercial vehicle as claimed in claim 1, 6 or 12, wherein the monitoring system comprises:

the long-distance laser sensor is arranged on the top of the frame combination;

the bar code sensor is arranged on a path of the lifting combination which can be lifted along the longitudinal direction of the frame combination;