CN113442741B

CN113442741B - New energy automobile

Info

Publication number: CN113442741B
Application number: CN202111008008.9A
Authority: CN
Inventors: 游琴玲
Original assignee: Shenzhen Diantong Information Technology Co ltd
Current assignee: Shenzhen Diantong Information Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-11-19
Anticipated expiration: 2041-08-31
Also published as: CN113442741A

Abstract

The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile which comprises a shock absorber, wherein the shock absorber is installed on an automobile suspension, a cruising device is arranged on the side surface of the shock absorber, the cruising device comprises a shell, a partition plate and a generator, and comprises a chassis, a driving device and a rolling device, wherein the suspensions are installed on two sides of the chassis, the rolling device is installed on the suspension, the shock absorber is installed on the side surface of the rolling device, the cruising device is installed on the chassis, the driving device is fixed on the left side surface of the chassis and is linked with the rolling device, a cage type reinforcing frame and a three-dimensional battery box are fixed on the upper surface of the chassis, and the three-dimensional battery box is installed inside the cage type reinforcing frame. According to the invention, the cage type framework is adopted at the arrangement position of the endurance device, so that the strength of the vehicle body is ensured, and the three-dimensional replacement mechanism is provided, so that the replacement of all battery packs is met.

Description

New energy automobile

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile.

Background

The pure electric vehicle is one of new energy vehicles, the endurance mileage of the pure electric vehicle is improved, and the most direct method is to increase the number of batteries.

Chinese utility model patent publication No. CN203592883U discloses an automobile battery mounting structure, including the battery case that holds the battery, still include: the shell is connected with the automobile floor and is arranged on the automobile floor in an outward protruding mode, and the bottom of the shell is provided with a shell opening for the battery box to enter and exit; the connecting mechanism is movably arranged between the battery box and the shell; the battery box at least comprises two positions, and in the first position, the battery box enters the shell from the shell opening; in the second position, the battery box is exposed out of the shell. The utility model also provides a battery jar of reloading that is used for as above car battery mounting structure. The utility model also provides an automobile, include as above automobile battery mounting structure. The utility model discloses an automobile battery mounting structure is simple and easy, can realize the quick assembly and change to the electric motor car battery; the energy is supplemented by directly replacing the battery without waiting for the battery to be charged.

The battery replacing structure is provided with a shell for accommodating a battery box, the shell is connected with an automobile floor and is arranged on the automobile floor in an outward protruding mode, a shell opening for the battery box to enter and exit is formed in the bottom of the shell, and the battery can be replaced, however, the replacing structure has some problems, firstly, a new energy automobile needs to fully design the automobile space for the battery pack to meet the installation amount of the maximum battery pack in order to improve the endurance mileage, the battery replacing is realized by forming the shell opening for the battery box to enter and exit in the bottom of the shell, because the number of the battery packs is not single, a group of battery packs can be installed on one automobile and distributed at different positions of the automobile, if each group of battery packs is replaced in an opening mode, the opening on can causing the car is too much, influences automobile strength, and its two, if only design a set of continuation of the journey device removable, then continuation of the journey effect can greatly reduced.

Therefore, it is necessary to design a new energy vehicle to solve the above problems.

Disclosure of Invention

The invention aims to provide a new energy automobile to solve the problem that the design of a replaceable cruising device cannot be safely and reliably provided in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a new energy automobile cruising device comprises a shock absorber, wherein the shock absorber is installed on an automobile suspension, a cruising device is arranged on the side face of the shock absorber and comprises a casing, a partition plate and a generator, the partition plate is fixed in the casing, the generator is arranged on the upper surface of the partition plate, the input end of the generator penetrates through the partition plate and is connected with a flywheel through a coupler, one end of the flywheel, which is far away from the partition plate, is rotatably connected with the casing through a rotating shaft, a rack is fixed at the top end of the shock absorber, a first ratchet group is arranged on the side face of the rack, a driving shaft is movably connected in the first ratchet group, a driving wheel is fixed on the driving shaft, a belt is sleeved on the outer surface of the driving wheel, one end of the belt, which is far away from the driving wheel, is connected with a driven wheel, and a reversing bevel gear is connected on the driven wheel through a connecting shaft, and the bottom of the reversing bevel gear is engaged with a driven bevel gear, and the bottom of the driven bevel gear is movably connected with the shell through a rotating shaft and is linked with the flywheel through a chain wheel and a chain.

Preferably, the number of the first ratchet groups is two, two the first ratchet groups are distributed on two sides of the driving wheel, each first ratchet group comprises a driving gear, the rack is meshed with the driving gear, a transmission sleeve is fixed on the side face of the driving gear, the transmission sleeve is rotatably connected with the inner wall of the shell through a bearing, a ratchet is movably connected inside the transmission sleeve, and the ratchet is sleeved on the driving shaft.

Preferably, the action wheel passes through the belt and links from the driving wheel, the both sides of following the driving wheel all are connected with the inner wall rotation of casing through the pivot, the diameter of following the driving wheel is less than the diameter of action wheel.

The utility model provides a new energy automobile, includes chassis, drive arrangement and rolling device, the both sides on chassis are all installed and are hung, just the rolling device is installed on hanging, the side at the rolling device is installed to the shock absorber, the continuation of the journey device is installed on the chassis, the left side fixed surface on chassis has drive arrangement, and drive arrangement and rolling device linkage, the last fixed surface on chassis has cage reinforcement frame and three-dimensional battery case, three-dimensional battery case is installed in the inside of cage reinforcement frame, three-dimensional battery case is formed by first battery case and second battery case combination, the bottom of first battery case and second battery case all is fixed with the last surface connection on chassis, the installing port has been seted up to the bottom of first battery case, and the installing port pierces through the bottom on chassis, be provided with first group battery in first battery case and the second battery case respectively, The battery box comprises a second battery pack and a third battery pack, guide grooves are formed in two sides of the second battery box, and a lifting frame is movably arranged inside the guide grooves.

Preferably, a first conductive contact is embedded in the side surface of the first battery box, a second conductive contact is embedded in the side surface of the second battery box, and the first conductive contact and the second conductive contact are connected in series through a wire.

Preferably, the side of first battery case is provided with second electricity push rod, and on second electricity push rod passed through the bolt fastening has the chassis, the output of second electricity push rod is fixed with the piston rod, the surface cover of piston rod is equipped with the position sleeve, and the position sleeve is fixed on the surface on chassis, the piston rod is connected with the inside expansion joint of first battery case.

Preferably, first group battery includes the base, the base is trapezoidal, just all embedded all around of base has the sealing strip, and the sealing strip offsets with the chassis, the last fixed surface of base has the protecting crust, the inside of protecting crust is embedded to have the battery to pile, the spread groove has been seted up to the side of protecting crust, just the spread groove sets up in the below of battery pile, the piston rod is inserted with the spread groove and is closed fixedly, the side of base is embedded to have first discharge contact, and first discharge contact offsets with first conductive contact.

Preferably, the one end of hoisting frame is "L" shape, just the bottom of hoisting frame is embedded in the bottom of second battery case, the bottom of hoisting frame flushes with the bottom of second battery case, the other end of hoisting frame is "T" shape, the other end and the guide slot sliding connection of hoisting frame, the side of second battery case is fixed with first electric push rod, just the output of first electric push rod is connected fixedly with the side bottom of hoisting frame.

Preferably, the second battery pack comprises a second shell, a second galvanic pile and a second discharging contact, the second galvanic pile is installed in the second shell, the second discharging contact is embedded in the side face of the second shell, the second galvanic pile is electrically connected with the second discharging contact, one side of the second shell abuts against the protective shell, the other side of the second shell abuts against the inner wall of the second battery box, and the second discharging contact abuts against the second conductive contact.

Preferably, a supporting contact is fixed on the upper surface of the second shell, the supporting contact is connected with the second discharging contact in series through a wire, the overall structure of the third battery pack is the same as that of the second battery pack, the bottom of the third battery pack abuts against the lifting frame and the supporting contact respectively, and the third battery pack is connected with the second battery pack in series through the supporting contact.

Preferably, the quantity of cage reinforcing frame is two, two the difference in height of cage reinforcing frame is doubly, cage reinforcing frame includes first side support frame, second side support frame and bracing piece, first side support frame and second side support frame are the both sides distribution of bracing piece and with bracing piece welded fastening, the bottom of first side support frame and second side support frame all with the upper surface welded fastening on chassis.

Compared with the prior art, the invention has the beneficial effects that: this new energy automobile continuation of journey device and new energy automobile adopt cage framework in continuation of journey device department of laying, guarantee automobile body intensity, have three-dimensional change mechanism, satisfy the change of whole group batteries.

(1) Through installing three-dimensional battery case inside cage reinforcing frame, make up into cage support frame through first side support frame, second side support frame and bracing piece, be a body structure with the chassis welding, ensured the bulk strength of automobile body.

(2) Through the guide grooves arranged on the two sides of the second battery box, the lifting frame is movably arranged in the guide grooves, the mounting opening is arranged at the bottom of the first battery box, the inner width of the mounting opening is larger than that of the second battery pack, when the first battery pack, the second battery pack or the third battery pack is replaced, the first battery pack, the second battery pack or the third battery pack can be taken out from the mounting opening, the problem that a plurality of groups of electric piles are replaced and multiple openings are needed on a vehicle body is solved, when the first battery pack, the second battery pack and the third battery pack are assembled, the third battery pack is firstly installed, the piston rod is driven by the second electric push rod to push the third battery pack into the second battery box, then the third battery pack is lifted by the lifting frame, then the second battery pack is installed, the piston rod is pushed to the bottom of the third battery pack, finally the first battery pack is installed, and the piston rod is inserted into the connecting groove, the first battery pack is fixedly connected with the chassis, so that the effect of three-dimensional replacement is achieved, and the replacement of all the cruising devices is met by a single opening.

Drawings

FIG. 1 is a schematic view of the entire structure of the present invention;

FIG. 2 is a schematic view of the entire structure of the base plate and the three-dimensional battery case of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the cage reinforcement of FIG. 1 according to the present invention;

FIG. 4 is a schematic side cross-sectional view of the structure of the chassis and the three-dimensional battery case of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the entire structure of the battery pack of FIG. 2 according to the present invention;

FIG. 6 is a schematic view of the entire structure of the lifting frame of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of a endurance device according to the present invention;

FIG. 8 is a schematic view of the relationship between the first ratchet set and the driving wheel and the driving shaft;

FIG. 9 is a side view of the first ratchet set.

In the figure: 1. a chassis; 2. a drive device; 3. a rolling device; 4. a cage reinforcement frame; 41. a first side support frame; 42. a second side support frame; 43. a support bar; 5. a three-dimensional battery box; 51. a first battery case; 52. a second battery case; 53. an installation port; 54. a guide groove; 55. a hoisting frame; 56. a first electric push rod; 6. a cruising device; 61. a housing; 62. a partition plate; 63. a generator; 64. a first ratchet set; 641. a driving gear; 642. a drive sleeve; 643. a ratchet wheel; 65. a rack; 66. a drive shaft; 67. a driving wheel; 68. a belt; 69. a driven wheel; 610. a reversing bevel gear; 611. driven bevel gears; 612. a flywheel; 7. a piston rod; 8. a first battery pack; 81. a base; 82. a protective shell; 83. connecting grooves; 84. a cell stack; 9. a second battery pack; 10. supporting the contacts; 11. a third battery pack; 12. a shock absorber; 13. a second electric push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown:

a new energy automobile endurance device comprises a shock absorber 12, the shock absorber 12 is installed on an automobile suspension, a endurance device 6 is arranged on the side face of the shock absorber 12, the endurance device 6 comprises a casing 61, a partition plate 62 and a generator 63, the partition plate 62 is fixed in the casing 61, the generator 63 is arranged on the upper surface of the partition plate 62, the input end of the generator 63 penetrates through the partition plate 62 and is connected with a flywheel 612 through a coupler, one end of the flywheel 612, which is far away from the partition plate 62, is rotatably connected with the casing 61 through a rotating shaft, a rack 65 is fixed at the top end of the shock absorber 12, a first ratchet group 64 is arranged on the side face of the rack 65, a driving shaft 66 is movably connected in the first ratchet group 64, a driving wheel 67 is fixed on the driving shaft 66, a belt 68 is sleeved on the outer surface of the driving wheel 67, one end, which is far away from the driving wheel 67, of the belt 68 is connected with a driven wheel 69, and a reversing bevel gear 610 is connected on the driven wheel 69 through a connecting shaft, and the bottom of the reversing bevel gear 610 is engaged with a driven bevel gear 611, the bottom of the driven bevel gear 611 is movably connected with the machine shell 61 through a rotating shaft and is linked with the flywheel 612 through a chain wheel and a chain, and a second ratchet mechanism is arranged between the chain wheel matched with the flywheel 612 and the flywheel 612, so that the chain wheel can only drive the flywheel 612 to rotate clockwise.

Further, as shown in fig. 7-9, the number of the first ratchet sets 64 is two, the two first ratchet sets 64 are distributed on two sides of the driving wheel 67, the first ratchet sets 64 include a driving gear 641, the rack 65 is engaged with the driving gear 641, a transmission sleeve 642 is fixed on a side surface of the driving gear 641, the transmission sleeve 642 is rotatably connected with an inner wall of the housing 61 through a bearing, a ratchet 643 is movably connected inside the transmission sleeve 642, the ratchet 643 is sleeved on the driving shaft 66, a tooth space is formed on an inner wall of the transmission sleeve 642, the ratchet 643 is movably connected with a tooth block matching the tooth space, the tooth block is installed in a limiting groove on a surface of the ratchet 643, the tooth block can only rotate counterclockwise in the limiting groove, the tooth space can clamp the tooth block when rotating clockwise, the tooth block drives the ratchet 643 to rotate clockwise, the limiting groove rotates clockwise, the tooth block is pushed to retract into the limiting groove, the limiting groove is fixed with a spring, the gear can return to the original position after rotating, the driving gear 641 is only unidirectionally transmitted to the driving shaft 66 through the transmission between the driving gear 641 and the driving shaft 66 through the matching transmission of the transmission sleeve 642 and the ratchet 643, the first driving gear 641 can be driven to rotate clockwise through the downward movement of the rack 65, the driving gear 641 drives the ratchet 643 to rotate clockwise through the transmission sleeve 642 so that the driving shaft 66 rotates clockwise, and when the rack 65 moves upward, the driving gear 641 can rotate counterclockwise but cannot drive the ratchet 643 to rotate, and only can idle on the ratchet 643, so that the interference of the upward movement of the rack 65 on the driving shaft 66 is avoided.

Further, as shown in fig. 7 to 9, the driving wheel 67 is linked with the driven wheel 69 through the belt 68, both sides of the driven wheel 69 are rotatably connected with the inner wall of the housing 61 through the rotating shaft, and the diameter of the driven wheel 69 is smaller than that of the driving wheel 67, so that the driven wheel 69 can be accelerated, and the transmission efficiency can be improved.

The new energy automobile comprises a chassis 1, a driving device 2 and a rolling device 3, wherein suspensions are mounted on two sides of the chassis 1, the rolling device 3 is mounted on the suspensions, a shock absorber 12 is mounted on the side face of the rolling device 3, a cruising device 6 is mounted on the chassis 1, the driving device 2 is fixed on the left side surface of the chassis 1, the driving device 2 is in linkage with the rolling device 3, a cage-type reinforcing frame 4 and a three-dimensional battery box 5 are fixed on the upper surface of the chassis 1, the three-dimensional battery box 5 is mounted inside the cage-type reinforcing frame 4, the three-dimensional battery box 5 is formed by combining a first battery box 51 and a second battery box 52, the bottoms of the first battery box 51 and the second battery box 52 are fixedly connected with the upper surface of the chassis 1, a mounting port 53 is formed in the bottom of the first battery box 51, the mounting port 53 penetrates through the bottom of the chassis 1, and first battery packs 8 are respectively arranged in the first battery box 51 and the second battery box 52, The second battery pack 9 and the third battery pack 11, guide grooves 54 are opened on both sides of the second battery pack 52, and a lifting frame 55 is movably installed inside the guide grooves 54.

Further, as shown in fig. 1-2, a first conductive contact is embedded in a side surface of the first battery box 51, a second conductive contact is embedded in a side surface of the second battery box 52, the first conductive contact and the second conductive contact are connected in series through a conductive wire, the driving device 2 is electrically connected to the first conductive contact through a conductive wire, and the driving device 2 is supplied with power through the first battery pack 8, the second battery pack 9 and the third battery pack 11 so that the driving device 2 can drive the rolling device 3 to roll.

Further, as shown in fig. 4, a second electric push rod 13 is arranged on a side surface of the first battery box 51, the second electric push rod 13 is fixed on the chassis 1 through a bolt, a piston rod 7 is fixed at an output end of the second electric push rod 13, a positioning sleeve is sleeved on an outer surface of the piston rod 7 and fixed on an outer surface of the chassis 1, the piston rod 7 is telescopically connected with the inside of the first battery box 51, the second electric push rod 13 drives the piston rod 7 to stretch in the first battery box 51, so that not only is an effect of pushing the second battery pack 9 or the third battery pack 11 into the second battery box 52 achieved, but also an effect of fixedly connecting the first battery pack 8 with the first battery box 51 achieved.

Further, as shown in fig. 4, the first battery pack 8 includes a base 81, the base 81 is trapezoidal, and the base 81 is all embedded with the sealing strip all around, the sealing strip offsets with the chassis 1, improve the leakproofness between base 81 and the chassis 1, the upper surface of base 81 is fixed with protective housing 82, the inside of protective housing 82 is embedded with battery pile 84, the spread groove 83 has been seted up to the side of protective housing 82, and the spread groove 83 sets up in the below of battery pile 84, piston rod 7 is inserted and is closed fixedly with spread groove 83, the side of base 81 is embedded with first discharge contact, first discharge contact offsets with first conductive contact, satisfy the power output requirement.

Further, as shown in fig. 5 to 6, one end of the lifting frame 55 is "L" shaped, the bottom end of the lifting frame 55 is embedded in the bottom of the second battery box 52, the bottom of the lifting frame 55 is flush with the bottom of the second battery box 52, it does not affect the left and right movement of the second battery pack 9 or the third battery pack 11 in the second battery box 52, the other end of the lifting frame 55 is "T" shaped, the other end of the lifting frame 55 is slidably connected with the guide groove 54, a first electric push rod 56 is fixed on the side surface of the second battery box 52, the output end of the first electric push rod 56 is fixedly connected with the bottom of the side edge of the lifting frame 55, and the first electric push rod 56 drives the lifting frame 55 to lift in the guide groove 54, so as to lift the third battery pack 11.

Further, as shown in fig. 4, the second battery pack 9 is composed of a second case, a second stack mounted in the second case, and a second discharge contact embedded in a side surface of the second case, and the second electric pile is electrically connected with the second discharging contact, one side of the second shell is abutted against the protective shell 82, the other side of the second shell is abutted against the inner wall of the second battery box 52, the second discharging contact is abutted against the second conductive contact, the upper surface of the second shell is fixed with a supporting contact 10, the supporting contact 10 is connected with the second discharging contact in series through a lead, the whole structure of the third battery pack 11 is the same as that of the second battery pack 9, the bottom of the third battery pack 11 is respectively abutted against the lifting frame 55 and the supporting contact 10, and the third battery pack 11 is connected with the second battery pack 9 in series through the supporting contact 10, so that the first battery pack 8, the second battery pack 9 and the third battery pack 11 can be connected in series for supplying power.

Further, as shown in fig. 1 and 3, the number of the cage-type reinforcing frames 4 is two, the height difference between the two cage-type reinforcing frames 4 is one time, the height difference between the first battery box 51 and the second battery box 52 is also one time, so that the second battery box 52 can be arranged in the second battery pack 9 and the third battery pack 11, only the first battery pack 8 is arranged in the first battery box 51, the first battery box 51 is lower than the second battery box 52 and is designed to meet the space design of the rear row of the automobile, the leg position is arranged above the first battery box 51, the cage-type reinforcing frames 4 comprise a first side supporting frame 41, a second side supporting frame 42 and a supporting rod 43, the first side supporting frame 41 and the second side supporting frame 42 are distributed at the two sides of the supporting rod 43 and are welded and fixed with the supporting rod 43, the bottom ends of the first side supporting frame 41 and the second side supporting frame 42 are welded and fixed with the upper surface of the chassis 1, the second side supporting frame 42, The second side support frame 42 and the support rod 43 form a cage type structure and are welded with the chassis 1 together, so that the strength of the vehicle body is improved.

The working principle is as follows: when the chassis is used, the first battery pack 8, the second battery pack 9 and the third battery pack 11 are arranged in the first battery pack 8, the driving device 2 is powered by the first battery pack 8, the second battery pack 9 and the third battery pack 11, so that the driving device 2 drives the rolling device 3 to roll, and the chassis 1 can be driven to run, in the running process of the chassis 1, the rolling device 3 can be influenced because the road surface cannot be completely flat, the suspension connected with the rolling device 3 can slide up and down, so that the shock absorption rod in the shock absorber 12 can slide up and down, the rack 65 can drive the first ratchet group 64 to rotate, the first ratchet group 64 drives the driving wheel 67 to rotate through the driving shaft 66, so that the driving wheel 67 drives the driven wheel 69 to rotate through the belt 68, the driven wheel 69 is matched with the reversing bevel gear 610 and the driven bevel gear 611 to reverse, and then drives the flywheel 612 to rotate, the flywheel 612 drives the generator 63 to work and generate electricity, and endurance is provided for the automobile.

When the first battery pack 8, the second battery pack 9 and the third battery pack 11 need to be replaced, the piston rod 7 contracts when the control system in the automobile is operated to control the second electric push rod 13 to work, the limit of the first battery pack 8 is released, the first battery pack 8 can be taken out of the first battery box 51 firstly, then the second battery pack 9 is pulled into the first battery box 51 from the second battery box 52 and then taken out from the mounting opening 53, finally, the lifting frame 55 supports the third battery pack 11 to be lowered through the working contraction of the first electric push rod 56, and then the third battery pack 11 is pulled into the first battery box 51 from the second battery box 52 and then taken out from the mounting opening 53.

Then, the third battery pack 11 is installed firstly, after the third battery pack 11 is installed in the first battery box 51, the piston rod 7 is driven by the second electric push rod 13 to push the third battery pack 11 into the second battery box 52, the lifting frame 55 is driven by the first electric push rod 56 to lift the third battery pack 11, then the second battery pack 9 is installed, the piston rod 7 pushes the third battery pack 11 to the bottom, finally, the first battery pack 8 is installed, the piston rod 7 is driven by the second electric push rod 13 to be inserted into the connecting groove 83, the first battery pack 8 is connected and fixed with the chassis 1, and therefore the replacement of the first battery pack 8, the second battery pack 9 and the third battery pack 11 can be completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a new energy automobile, includes chassis (1), drive arrangement (2) and rolling device (3), the both sides of chassis (1) are all installed and are hung, just rolling device (3) are installed on hanging, the side-mounting of rolling device (3) has shock absorber (12), install duration device (6) on chassis (1), the left side fixed surface of chassis (1) has drive arrangement (2), and drive arrangement (2) and rolling device (3) linkage, its characterized in that: a cage type reinforcing frame (4) and a three-dimensional battery box (5) are fixed on the upper surface of the chassis (1), the three-dimensional battery box (5) is arranged in the cage-type reinforcing frame (4), the three-dimensional battery box (5) is formed by combining a first battery box (51) and a second battery box (52), the bottoms of the first battery box (51) and the second battery box (52) are fixedly connected with the upper surface of the chassis (1), the bottom of the first battery box (51) is provided with a mounting opening (53), the mounting port (53) penetrates through the bottom of the chassis (1), a first battery pack (8) is arranged in the first battery box (51), a second battery pack (9) and a third battery pack (11) are arranged in the second battery box (52), guide grooves (54) are formed in two sides of the second battery box (52), and lifting frames (55) are movably mounted inside the guide grooves (54).

2. The new energy automobile according to claim 1, characterized in that: the battery pack is characterized in that a first conductive contact is embedded in the side surface of the first battery box (51), a second conductive contact is embedded in the side surface of the second battery box (52), and the first conductive contact and the second conductive contact are connected in series through a wire.

3. The new energy automobile according to claim 2, characterized in that: the side of first battery case (51) is provided with second electric push rod (13), and second electric push rod (13) have chassis (1) through the bolt fastening on, the output of second electric push rod (13) is fixed with piston rod (7), the surface cover of piston rod (7) is equipped with the position sleeve, and the position sleeve is fixed on the surface of chassis (1), the inside telescopic connection of piston rod (7) and first battery case (51).

4. The new energy automobile according to claim 3, characterized in that: first group battery (8) are including base (81), base (81) are trapezoidal, just all embedded all around of base (81) have the sealing strip, and the sealing strip offsets with chassis (1), the last fixed surface of base (81) has protecting crust (82), the inside of protecting crust (82) is embedded to have battery pile (84), spread groove (83) have been seted up to the side of protecting crust (82), just spread groove (83) set up in the below of battery pile (84), piston rod (7) are fixed with spread groove (83) plug-in, the side of base (81) is embedded to have a discharge contact, and a discharge contact offsets with a conductive contact.

5. The new energy automobile according to claim 1, characterized in that: one end of the lifting frame (55) is L-shaped, the bottom end of the lifting frame (55) is embedded in the bottom of the second battery box (52), the bottom of the lifting frame (55) is flush with the bottom of the second battery box (52), the other end of the lifting frame (55) is T-shaped, the other end of the lifting frame (55) is connected with the guide groove (54) in a sliding mode, a first electric push rod (56) is fixed to the side face of the second battery box (52), and the output end of the first electric push rod (56) is connected and fixed with the bottom of the side edge of the lifting frame (55).

6. The new energy automobile according to claim 5, characterized in that: the second battery pack (9) is composed of a second shell and a second galvanic pile and a second discharging contact, the second galvanic pile is installed in the second shell, the second discharging contact is embedded in the side face of the second shell, the second galvanic pile is electrically connected with the second discharging contact, one side of the second shell abuts against the protective shell (82), the other side of the second shell abuts against the inner wall of the second battery box (52), and the second discharging contact abuts against the second conductive contact.

7. The new energy automobile according to claim 6, characterized in that: the upper surface of second shell is fixed with supporting contact (10), supporting contact (10) are established ties through wire and second discharge contact, the overall structure of third group battery (11) is the same with second group battery (9), the bottom of third group battery (11) offsets with hoisting frame (55) and supporting contact (10) respectively, and third group battery (11) are established ties through supporting contact (10) and second group battery (9).

8. The new energy automobile according to claim 1, characterized in that: the quantity of cage reinforcing frame (4) is two, two the difference in height of cage reinforcing frame (4) is one time, cage reinforcing frame (4) include first side support frame (41), second side support frame (42) and bracing piece (43), first side support frame (41) and second side support frame (42) are the both sides distribution of bracing piece (43) and with bracing piece (43) welded fastening, the bottom of first side support frame (41) and second side support frame (42) all with the upper surface welded fastening of chassis (1).