CN113682193A

CN113682193A - New energy heavy truck quick change battery package workstation

Info

Publication number: CN113682193A
Application number: CN202111110135.XA
Authority: CN
Inventors: 李鑫
Original assignee: Nanjing Bustil Electronic Technology Co ltd
Current assignee: Nanjing Bustil Electronic Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-11-23

Abstract

The invention provides a new energy heavy truck quick-change battery pack workstation which comprises a vehicle battery changing station, a battery bin station, a hoisting platform, a hoisting movable trolley, a walking platform, an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction movement mechanism and an upper computer, wherein the vehicle battery changing station is arranged on the vehicle battery bin station; the hoisting platform is of a portal frame structure; the vehicle battery replacement station is used for placing a vehicle with a battery pack to be replaced; the battery bin station is used for placing a battery pack; the X/Y/Z-direction movement mechanism is used for hoisting the movement of the movable trolley along the X-axis direction, the Y-axis direction of the vehicle running direction and the Z-axis direction of the plane in the vertical direction of the vehicle. This workstation is through trading the heavy card of electric station to the vehicle, directly hoists through hoisting machine and changes the battery package, and trades electric station one side with the battery compartment setting at the vehicle according to the principle nearby, and inside holds the battery package that is full of electricity and the battery package station under changing, and whole process carries out GPS location and makes a video recording, real time monitoring, and in case take place unusual real-time alarm processing, swift, safety.

Description

New energy heavy truck quick change battery package workstation

Technical Field

The invention belongs to the technical field, and particularly relates to a new energy heavy truck quick-change battery pack workstation.

Background

Along with the combined strengthening and promotion of a series of national policies, the use of new energy automobiles is realized, the increasing of the proportion of the new energy automobiles in urban transportation tools is realized, particularly in the field of new energy heavy-duty vehicles, the new energy heavy truck continuously breaks through the traditional heavy truck product to carry out technical upgrading, and the battery replacement mode product with rapid and convenient energy replenishment becomes an important research direction of the industry. At present conventional when charging to the new forms of energy heavy truck, through driving near the stake of charging with the truck, directly charge, when charging like this, consuming time and wasting power, it is very high to the driver requirement, also has certain potential safety hazard. Meanwhile, the heavy truck battery pack supporting the battery replacement mode has the current situations of heavy weight and large volume, and the cleaning of the power supply structure and the green power energy supply become important concerns.

In addition, when a large battery pack is charged, the phenomenon that the battery pack is manually carried to be adjusted and aligned often exists, due to the fact that the battery pack is heavy, once an accident happens, the battery pack cannot be recovered, meanwhile, the battery pack is unsafe when manually adjusted, time is wasted, and the battery charging and replacing process is prolonged. Meanwhile, when a large-tonnage battery pack in a battery replacement mode is placed in a battery bin for charging, casualties generated once rollover occurs cannot be ignored, and meanwhile, the problem that how to accurately place the battery pack in the battery bin needs to be paid attention to is always the problem in the field.

Disclosure of Invention

The technical scheme is as follows: in order to solve the technical problems, the new energy heavy card quick-change battery pack workstation provided by the invention has the advantages that the heavy card on the battery pack replacement station is directly hoisted by the hoisting mechanism to replace the battery pack, one side is arranged as a battery bin according to the principle, the whole process is subjected to GPS positioning and camera shooting, real-time monitoring is carried out, and real-time alarm processing is carried out once abnormity occurs, in particular the workstation is provided,

the device comprises a vehicle battery replacing station, a battery compartment station, a hoisting platform, a hoisting movable trolley, a walking platform, an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction movement mechanism and an upper computer; the hoisting platform is a portal frame structure of a plurality of groups of containing bins, which is formed by a plurality of groups of hoisting pillars; the vehicle battery replacing station is arranged at a group of accommodating bin positions in the hoisting platform and used for placing a vehicle with a battery pack to be replaced; the battery bin station is arranged on one side of the vehicle battery replacing station in the hoisting platform and used for placing a battery pack; two ends of the hoisting movable trolley are erected on two side edges of the top plane of the hoisting platform and can move along the upper plane of the hoisting platform; the walking platform is arranged on the outer edge of the top plane of the hoisting platform and the outer edge of the hoisting movable trolley and is used for a pedestrian passageway, and one end of the walking platform fixed on the outer edge of the top plane of the hoisting platform is connected with the bottom horizontal plane through a support; the X-direction movement mechanism, the Y-direction movement mechanism and the Z-direction movement mechanism are fixedly arranged on the hoisting movable trolley and used for enabling the hoisting movable trolley to move along the horizontal plane at the top of the hoisting platform in the direction which is perpendicular to the X-axis direction of the running direction of the vehicle to be replaced and the direction which is perpendicular to the Y-axis direction of the running direction of the vehicle and the Z-axis direction of the plane in the vertical direction of the vehicle.

As an improvement, the hoisting platform comprises an X-direction moving guide rail and an X-direction positioning rack guide rail; the X-direction moving guide rails are arranged in two groups and independently and symmetrically installed on two opposite side edges of a frame platform at the top of the hoisting platform at intervals; the X-direction positioning rack guide rails are provided with two groups and separately and independently arranged on the inner side edge between the two groups of X-direction moving guide rails at intervals; the X-direction moving guide rail is used for hoisting the moving trolley to perform roller motion along the X-axis direction of vehicle advancing, and the X-direction positioning rack guide rail is used for hoisting the moving trolley to perform accurate size gear motion along the X-axis direction of vehicle advancing.

As an improvement, the X-direction movement mechanism comprises an X-direction buffer, an X-direction driving motor, an X-direction driving gear and an X-direction moving driven roller; the X-direction buffers are fixedly arranged at two end parts of the X-direction side edge at the top of the hoisting platform and are used for collision prevention and buffering when the hoisting movable trolley moves to the end parts; the X-direction driving gear and the X-direction moving driven roller are independently connected with an X-direction driving motor, under the action of the driving motor, the X-direction driving gear moves along the X-direction moving guide rail path, and the X-direction moving driven roller moves along the X-direction positioning rack guide rail path.

As an improvement, the hoisting movable trolley comprises two groups of Y-direction movable guide rails and two groups of Y-direction positioning rack guide rails along the direction of the X axis of the battery pack to be replaced; the Y-direction positioning rack guide rails are used for hoisting the moving trolley to perform Y-axis direction roller motion perpendicular to the X-axis direction of vehicle traveling, and the Y-direction positioning rack guide rails are used for hoisting the moving trolley to perform Y-axis direction accurate size gear motion perpendicular to the X-axis direction of vehicle traveling.

As an improvement, the Y-direction movement mechanism comprises a Y-direction buffer, a Y-direction driving motor, a Y-direction driving gear and a Y-direction moving driven roller; the Y-direction buffers are fixedly arranged at two end parts of the hoisting platform along the Y-axis direction of vehicle running and are used for collision prevention and buffering when the hoisting movable trolley moves to the end parts; the Y-direction driving gear and the Y-direction moving driven roller are independently connected with a Y-direction driving motor, under the action of the driving motor, the Y-direction driving gear moves along a Y-direction moving guide rail path, and the Y-direction moving driven roller moves along a Y-direction positioning rack guide rail path.

As an improvement, the Z-direction movement mechanism comprises a first supporting plate, a second supporting plate, a Z-direction lifter, a Z-direction lifting screw rod and a Z-direction lifting chain; the top of the first supporting plate is fixed on the hoisting moving trolley through a plurality of groups of symmetrical guide pillars; one end of the Z-direction lifter is fixedly arranged on the first supporting plate, and the other end of the Z-direction lifter is connected with one end of the Z-direction lifting screw rod; the other end of the Z-direction lifting screw rod is connected with one end of a Z-direction lifting chain; and the Z-direction lifting chain is fixedly arranged on the second supporting plate.

As an improvement, the device also comprises a weight sensor, a battery pack hoisting column and a Z-direction driving motor; the Z-direction driving motor is connected with the Z-direction lifter and is used for providing lifting power for the Z-direction lifter; the weight sensors are provided with a plurality of groups and fixedly arranged on the second supporting plate; the battery pack hoisting column is fixedly arranged at the bottom of the second supporting plate and used for clamping and fixing the battery pack.

As an improvement, the upper computer comprises a display, a GPS positioning unit and a camera unit; the camera shooting unit is provided with a plurality of groups of camera shooting components and is used for collecting and acquiring real-time pictures of work in the workstation and transmitting the pictures to the display; the GPS positioning unit is fixedly arranged on a hoisting support of the hoisting platform, is used for acquiring the real-time positioning position information of the vehicle on the vehicle battery replacement station and transmitting the information to the display; the display is used for displaying the real-time working image, the battery pack and the vehicle position information.

As an improvement, the system further comprises an alarm device, wherein the alarm device is electrically connected with the upper computer through a wireless signal or a wired signal and is used for sending an abnormal alarm signal.

As the improvement, the battery compartment station is internally provided with a plurality of groups of battery pack placing frames and a middle channel, the battery pack placing frames are arranged on two sides of the middle channel, and the battery pack placing frames are used for placing battery packs to be charged and fully charged battery packs.

Has the advantages that: the new energy heavy truck quick-change battery pack workstation provided by the invention has the advantages that a heavy truck on a battery pack replacement station normally runs to a vehicle battery replacement station, the battery pack is directly hoisted and replaced through a hoisting mechanism, a battery bin is arranged on one side of the vehicle battery replacement station according to the principle of being nearby, the fully charged battery pack and the battery pack replacement station are accommodated in the battery bin, the whole process is subjected to GPS positioning and camera shooting, real-time monitoring is carried out, and real-time alarm processing is carried out once abnormity occurs, so that the new energy heavy truck quick-change battery pack workstation is quick and safe.

Meanwhile, the hoisting mechanism can flexibly move the hoisting movable trolley on the hoisting platform along the three-dimensional direction X/Y/Z of the running direction of the heavy truck, so that the full-automatic operation of grabbing and releasing the battery pack is realized.

In addition, the walking platform is arranged, so that manual walking can be realized, the stability of daily appliances of the workstation is convenient to maintain and maintain, a safe double-insurance effect can be achieved, and a normal fire safety channel is provided after an accident happens.

Drawings

FIG. 1 is a schematic side view of a workstation according to the present invention.

Fig. 2 is a top view of the workstation of the present invention.

Fig. 3 is a schematic structural diagram of the hoisting platform of the invention.

Figure 4 is a side view of the lifting platform of the present invention.

Fig. 5 is a schematic structural view of the Z-direction side edge of the hoisting platform of the invention.

In the figure: the device comprises a vehicle battery replacing station 1, a battery compartment station 2, a hoisting platform 3, a hoisting moving trolley 4, a walking platform 5, an X-direction moving guide rail 6, an X-direction positioning rack guide rail 7, a Y-direction moving guide rail 8, a Y-direction positioning rack guide rail 9, an X-direction driving gear 10, an X-direction moving driven roller 11, an X-direction buffer 12, a Y-direction buffer 13, a Y-direction driving gear 14, a Y-direction moving driven roller 15, a first supporting plate 16, a second supporting plate 17, a Z-direction lifter 18, a Z-direction lifting lead screw 19, a Z-direction lifting chain 20, a weight sensor 21, a battery pack hoisting column 22 and a battery pack 23.

Detailed Description

The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The new energy heavy truck quick-change battery pack workstation comprises a vehicle battery changing station 1, a battery bin station 2, a hoisting platform 3, a hoisting movable trolley 4, a walking platform 5, an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction movement mechanism and an upper computer; the hoisting platform 3 is a portal frame structure of a plurality of groups of containing bins, which is formed by a plurality of groups of hoisting pillars; the vehicle battery replacing station 1 is arranged at a group of accommodating bin positions in the hoisting platform 3 and is used for placing a vehicle with a battery pack to be replaced; the battery compartment station 2 is arranged on one side of the vehicle battery changing station 1 in the hoisting platform 3 and used for placing a battery pack; the two ends of the hoisting movable trolley 4 are erected on two side edges of the top plane of the hoisting platform 3 and can move along the upper plane of the hoisting platform 3; the walking platform 5 is arranged on the outer edge of the top plane of the hoisting platform 3 and the outer edge of the hoisting movable trolley 4 and is used for a pedestrian passageway, and one end of the walking platform 5 fixed on the outer edge of the top plane of the hoisting platform 3 is connected with the bottom horizontal plane through a support; the X-direction movement mechanism, the Y-direction movement mechanism and the Z-direction movement mechanism are fixedly arranged on the hoisting movable trolley 4 and are used for enabling the hoisting movable trolley 4 to move along the horizontal plane on the top of the hoisting platform 3 in the direction which is perpendicular to the X axis direction of the battery pack vehicle to be replaced and is horizontal to the X axis direction of the driving direction, the Y axis direction of the driving direction of the vehicle and the Z axis direction of the plane in the vertical direction of the vehicle.

The battery compartment station 2 is internally provided with a plurality of groups of battery pack placing frames and a middle channel, the battery pack placing frames are arranged on two sides of the middle channel, and the battery pack placing frames are used for placing a battery pack 23 to be charged and a fully charged battery pack 23. Optionally, the battery pack placing frames on two sides of the middle channel are two rows of station supports distributed oppositely and used for placing battery packs, one row is a fully charged battery pack 23, and the other row is a to-be-charged battery pack 23 to be replaced.

The battery pack placing frame is different from a conventional battery pack placing frame, in the invention, the bin containing structure is larger by setting the hoisting platform 3, the position stations for providing the battery pack placing frame are increased, the hoisting moving trolley 4 at the top of the hoisting platform 3 is matched for hoisting in the three-dimensional direction by setting the middle channel, the hoisting moving trolley is more convenient, meanwhile, the problems of occupation space and overall arrangement of the position of the battery pack charging pile in the past are not avoided, the design is simple, the operation is easy, meanwhile, the placing time for replacing the battery pack is shortened, and the working efficiency is improved.

As the specific implementation mode of the invention, the X-direction high-speed movement structure is stable in running, an X-direction driving motor is selectively arranged in the middle of the chassis, and the X-direction driving motor drives a plurality of gears at 2 sides, for example 2 gears, to move on the rack rail, so that the movement distance and the movement speed can be effectively controlled. A plurality of, for example 4 driven rollers have been installed to chassis bilateral symmetry, and driven roller is driven by the driving gear and is moved on the guide rail, mainly bears the weight of whole mechanism and hoist and mount battery package simultaneously. And a plurality of buffers are arranged on both sides in the X-direction movement direction, for example, 4 buffers are arranged, and the contact ends of the buffers are made of polyurethane materials, so that the mechanism derailment safety accident caused by collision is prevented.

Specifically, the method comprises the following steps: the hoisting platform 3 comprises an X-direction moving guide rail 6 and an X-direction positioning rack guide rail 7; two groups of X-direction moving guide rails 6 are independently and symmetrically arranged on two opposite side edges of a frame platform at the top of the hoisting platform 3 at intervals; the X-direction positioning rack guide rails 7 are provided with two groups and separately and independently arranged on the inner side edge between the two groups of X-direction moving guide rails 6 at intervals; the X-direction moving guide rail 6 is used for hoisting the moving trolley 4 to perform roller motion along the X-axis direction of vehicle advancing, and the X-direction positioning rack guide rail 7 is used for hoisting the moving trolley 4 to perform accurate size gear motion along the X-axis direction of vehicle advancing.

The X-direction movement mechanism comprises an X-direction buffer 12, an X-direction driving motor, an X-direction driving gear 10 and an X-direction moving driven roller 11; the X-direction buffers 12 are fixedly arranged at two end parts of the X-direction side edge at the top of the hoisting platform 3 and are used for collision prevention and buffering when the hoisting movable trolley 4 moves to the end parts; the X-direction driving gear 10 and the X-direction moving driven roller 11 are independently connected with an X-direction driving motor, under the action of the driving motor, the X-direction driving gear 10 moves along the path of the X-direction moving guide rail 6, and the X-direction moving driven roller 11 moves along the path of the X-direction positioning rack guide rail 7.

The hoisting movable trolley 4 comprises two groups of Y-direction movable guide rails 8 and two groups of Y-direction positioning rack guide rails 9 along the direction of the X axis of the battery pack vehicle to be replaced; two groups of Y-direction positioning racks 9 are arranged on the inner sides of two groups of Y-direction moving guide rails 8 at intervals, the Y-direction moving guide rails 8 are used for hoisting the moving trolley 4 to perform roller motion in the Y-axis direction perpendicular to the X-axis direction of vehicle advancing, and the Y-direction positioning rack guide rails 9 are used for hoisting the moving trolley 4 to perform gear motion in the Y-axis direction perpendicular to the X-axis direction of vehicle advancing.

As a specific implementation mode of the invention, the Y-direction long-distance working stroke structure solves the problem that the vehicle is not parked in place at present, and the power switching operation is carried out in the plane working range of the hoisting mechanism, so that the dependence degree on a driver and a vehicle limiting device is reduced. The positioning precision is ensured by the gear rack movement mechanism, and the accuracy can reach the millimeter level. The buffer is arranged on two sides, and a plurality of buffers, for example, 4 buffers in total, are made of polyurethane materials.

Specifically, the method comprises the following steps: the Y-direction movement mechanism comprises a Y-direction buffer 13, a Y-direction driving motor, a Y-direction driving gear 14 and a Y-direction moving driven roller 15; the Y-direction buffers 13 are fixedly arranged at two end parts of the traveling platform 5 along the Y-axis direction of vehicle traveling and are used for preventing collision and buffering when the hoisting movable trolley 4 travels to the end parts; the Y-direction driving gear 14 and the Y-direction moving driven roller 15 are independently connected with a Y-direction driving motor, under the action of the driving motor, the Y-direction driving gear 14 travels along the path of the Y-direction moving guide rail 8, and the Y-direction moving driven roller 15 travels along the path of the Y-direction positioning rack guide rail 7.

As a specific implementation mode of the invention, the Z-direction lifting movement is firm in structure, the stable lifting of a heavy battery pack is supported, the stable lifting is supported by a screw rod connecting mechanism, the lifting positioning precision is high, and the accuracy can reach the millimeter level; the screw rod connecting mechanism is provided with a pressure sensor and a position sensor, the pressure sensor avoids exceeding the weight which can be borne by the whole mechanism, and the position sensor ensures the working stroke of the screw rod connecting mechanism.

Specifically, the method comprises the following steps: the Z-direction movement mechanism comprises a first support plate 16, a second support plate 17, a Z-direction lifter 18, a Z-direction lifting screw rod 19 and a Z-direction lifting chain 20; the top of the first supporting plate 16 is fixed on the hoisting moving trolley 4 through a plurality of groups of symmetrical guide posts; one end of the Z-direction lifter 16 is fixedly arranged on the first supporting plate 16, and the other end of the Z-direction lifter is connected with one end of a Z-direction lifting screw 17; the other end of the Z-direction lifting screw 17 is connected with one end of a Z-direction lifting chain 18; the Z-direction lifting chain 18 is fixedly installed on the second support plate 17.

The device also comprises a weight sensor 21, a battery pack hoisting column 22 and a Z-direction driving motor; the Z-direction driving motor is connected with the Z-direction lifter 16 and used for providing lifting power for the Z-direction lifter 16; the weight sensors 21 are provided with a plurality of groups and fixedly arranged on the second supporting plate 17; the battery pack hoisting column 22 is fixedly arranged at the bottom of the second supporting plate 17 and used for clamping and fixing the battery pack.

As a specific embodiment of the invention, the upper computer comprises a display, a GPS positioning unit and a camera shooting unit; the camera shooting unit is provided with a plurality of groups of camera shooting components and is used for collecting and acquiring real-time pictures of work in the workstation and transmitting the pictures to the display; the GPS positioning unit is fixedly arranged on a hoisting support of the hoisting platform 3, is used for acquiring the real-time positioning position information of the vehicle on the vehicle battery replacement station 1 and transmitting the information to the display; the display is used for displaying the real-time working image, the battery pack and the vehicle position information. Still include alarm device, alarm device passes through wireless signal or wired electric connection with the host computer for send out unusual alarm signal.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. New forms of energy heavily blocks quick change battery package workstation, its characterized in that: the device comprises a vehicle battery replacing station (1), a battery compartment station (2), a hoisting platform (3), a hoisting movable trolley (4), a walking platform (5), an X-direction movement mechanism, a Y-direction movement mechanism, a Z-direction movement mechanism and an upper computer; the hoisting platform (3) is a portal frame structure of a plurality of groups of accommodating bins, which is formed by a plurality of groups of hoisting pillars; the vehicle battery replacement station (1) is arranged at a group of accommodating bin positions in the hoisting platform (3) and used for placing a vehicle with a battery pack to be replaced; the battery compartment station (2) is arranged on one side of the vehicle battery changing station (1) in the hoisting platform (3) and is used for placing a battery pack (23); two ends of the hoisting movable trolley (4) are erected on two side edges of the top plane of the hoisting platform (3) and can move along the upper plane of the hoisting platform (3); the walking platform (5) is arranged on the outer edge of the top plane of the hoisting platform (3) and the outer edge of the hoisting movable trolley (4) and is used for a pedestrian passageway, and one end of the walking platform (5) fixed on the outer edge of the top plane of the hoisting platform (3) is connected with the bottom horizontal plane through a support; the X-direction movement mechanism, the Y-direction movement mechanism and the Z-direction movement mechanism are fixedly arranged on the hoisting movable trolley (4) and are used for enabling the hoisting movable trolley (4) to move along the horizontal plane on the top of the hoisting platform (3) in the direction of the X axis of the battery pack vehicle to be replaced, the direction of the Y axis of the vehicle and the direction of the Z axis of the vertical plane of the vehicle.

2. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: the hoisting platform (3) comprises an X-direction moving guide rail (6) and an X-direction positioning rack guide rail (7); two groups of X-direction moving guide rails (6) are independently and symmetrically arranged on two opposite side edges of a top frame platform of the hoisting platform (3) at intervals; two groups of X-direction positioning rack guide rails (7) are arranged and separately and independently arranged on the inner side edge between the two groups of X-direction moving guide rails (6) at intervals; the X-direction moving guide rail (6) is used for hoisting the moving trolley (4) to perform roller motion along the X-axis direction of vehicle advancing, and the X-direction positioning rack guide rail (7) is used for hoisting the moving trolley (4) to perform accurate size gear motion along the X-axis direction of vehicle advancing.

3. The new energy heavy truck quick-change battery pack workstation as claimed in claim 2, wherein: the X-direction movement mechanism comprises an X-direction buffer (12), an X-direction driving motor, an X-direction driving gear (10) and an X-direction moving driven roller (11); the X-direction buffers (12) are fixedly arranged at two end parts of the X-direction side edge at the top of the hoisting platform (3) and are used for preventing collision and buffering when the hoisting movable trolley (4) moves to the end parts; the X-direction driving gear (10) and the X-direction moving driven roller (11) are independently connected with an X-direction driving motor, under the action of the driving motor, the X-direction driving gear (10) moves along the path of the X-direction moving guide rail (6), and the X-direction moving driven roller (11) moves along the path of the X-direction positioning rack guide rail (7).

4. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: the hoisting moving trolley (4) comprises two groups of Y-direction moving guide rails (8) and two groups of Y-direction positioning rack guide rails (9) along the direction of the X axis of the battery pack to be replaced; the two groups of Y-direction positioning racks (9) are arranged on the inner sides of the two groups of Y-direction moving guide rails (8) at intervals, the Y-direction moving guide rails (8) are used for hoisting the moving trolley (4) to perform Y-axis direction roller motion vertical to the X-axis direction of vehicle advancing, and the Y-direction positioning rack guide rails (9) are used for hoisting the moving trolley (4) to perform Y-axis direction accurate size gear motion vertical to the X-axis direction of vehicle advancing.

5. The new energy heavy truck quick-change battery pack workstation as claimed in claim 4, wherein: the Y-direction movement mechanism comprises a Y-direction buffer (13), a Y-direction driving motor, a Y-direction driving gear (14) and a Y-direction moving driven roller (15); the Y-direction buffers (13) are fixedly arranged at two end parts of the hoisting platform (3) along the Y-axis direction of vehicle running and are used for preventing collision and buffering when the hoisting movable trolley (4) moves to the end parts; the Y-direction driving gear (14) and the Y-direction moving driven roller (15) are independently connected with a Y-direction driving motor, under the action of the driving motor, the Y-direction driving gear (14) moves along the path of the Y-direction moving guide rail (8), and the Y-direction moving driven roller (15) moves along the path of the Y-direction positioning rack guide rail (7).

6. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: the Z-direction movement mechanism comprises a first support plate (16), a second support plate (17), a Z-direction lifter (18), a Z-direction lifting screw rod (19) and a Z-direction lifting chain (20); the top of the first supporting plate (16) is fixed on the hoisting moving trolley (4) through a plurality of groups of symmetrical guide posts; one end of the Z-direction lifter (16) is fixedly arranged on the first supporting plate (16), and the other end of the Z-direction lifter is connected with one end of a Z-direction lifting screw rod (17); the other end of the Z-direction lifting screw rod (17) is connected with one end of a Z-direction lifting chain (18); and the Z-direction lifting chain (18) is fixedly arranged on the second supporting plate (17).

7. The new energy heavy truck quick-change battery pack workstation as claimed in claim 6, wherein: the battery pack lifting device also comprises a weight sensor (21), a battery pack lifting column (22) and a Z-direction driving motor; the Z-direction driving motor is connected with the Z-direction lifter (16) and used for providing lifting power for the Z-direction lifter (16); the weight sensors (21) are provided with a plurality of groups and are fixedly arranged on the second supporting plate (17); the battery pack hoisting column (22) is fixedly arranged at the bottom of the second supporting plate (17) and used for clamping and fixing the battery pack.

8. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: the upper computer comprises a display, a GPS positioning unit and a camera shooting unit; the camera shooting unit is provided with a plurality of groups of camera shooting components and is used for collecting and acquiring real-time pictures of work in the workstation and transmitting the pictures to the display; the GPS positioning unit is fixedly arranged on a hoisting support of the hoisting platform (3), is used for acquiring real-time positioning position information of a vehicle on the vehicle battery replacement station (1), and transmits the information to the display; the display is used for displaying the real-time working image, the battery pack and the vehicle position information.

9. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: still include alarm device, alarm device passes through wireless signal or wired electric connection with the host computer for send out unusual alarm signal.

10. The new energy heavy truck quick-change battery pack workstation as claimed in claim 1, wherein: the battery compartment station (2) is internally provided with a plurality of groups of battery pack placing frames and a middle channel, the battery pack placing frames are arranged on two sides of the middle channel, and the battery pack placing frames are used for placing a battery pack (23) to be charged and a fully charged battery pack (23).