CN215284405U

CN215284405U - Quick change trolley for power battery pack

Info

Publication number: CN215284405U
Application number: CN202121227991.9U
Authority: CN
Inventors: 邵亚
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Hefei Gotion High Tech Power Energy Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-24
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a quick change trolley for power battery packs, which relates to the field of new energy battery pack systems and comprises a trolley body, a wheel assembly, a driving mechanism, a lifting mechanism and a control system; the wheel assembly, the driving mechanism and the lifting mechanism are all arranged on the vehicle body; the driving mechanism can drive the wheel assembly to advance so as to drive the vehicle body to advance; the lifting mechanism can lift and descend above the vehicle body along the vertical direction; the driving mechanism and the lifting mechanism are respectively connected with the control system. The utility model has the advantages that: the charged battery pack can be conveniently and quickly replaced for the electric vehicle, and the problem that the battery pack has short endurance mileage is solved.

Description

Quick change trolley for power battery pack

Technical Field

The utility model relates to a new forms of energy battery package system field especially relates to a power battery package quick change dolly.

Background

Due to the worldwide energy problems and environmental problems caused by the automobile industry, the development of new energy automobiles becomes an urgent task in the world. The new energy automobile is an effective way for solving the energy and environmental problems faced by automobile transportation. With the continuous promotion of the theme of environmental protection, the use amount of the electric automobile is gradually increased year by year, the cruising mileage of the electric automobile is short at present, the charging time is long, and the cruising driving requirement of consumers is not met, so the technical scheme of replacing the battery pack of the electric automobile with a new full-power pack for the electric automobile with more electric quantity consumption in the driving process is provided, and how to conveniently and rapidly replace the battery pack for the electric automobile is important for popularizing the electric automobile.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can convenient and fast ground change power battery package quick change dolly of battery package for the electric motor car is provided.

The utility model discloses a realize solving above-mentioned technical problem through following technical means: the power battery pack quick-change trolley comprises a trolley body, wheel assemblies, a driving mechanism, a lifting mechanism and a control system; the wheel assembly, the driving mechanism and the lifting mechanism are all arranged on the vehicle body; the driving mechanism can drive the wheel assembly to advance so as to drive the vehicle body to advance; the lifting mechanism can lift and descend above the vehicle body along the vertical direction; the driving mechanism and the lifting mechanism are respectively connected with the control system. The driving mechanism drives the wheel assembly to move forward so as to drive the vehicle body to move forward, when the trolley runs to the position below the power battery pack, the control system controls the trolley to stop moving, and simultaneously controls the lifting mechanism to start working, the lifting mechanism moves upwards to support the power battery pack, and then moves downwards to support the power battery pack to slowly fall down, at the moment, the power battery pack is completely disassembled, the trolley carries the power battery pack with low electric quantity, and a new pack is replaced, and the replacement process is consistent with the movement; can convenient and fast ground change the battery package that has charged for the electric motor car, solve the short difficult problem of battery package continuation of the journey mileage, can reduce manpower, material resources cost that the battery package was changed.

As an optimized technical scheme, the power battery pack quick-change trolley further comprises an obstacle sensor, wherein the obstacle sensor is installed on the trolley body and is connected with the control system. When the trolley runs to the position below the power battery pack, the obstacle sensor detects that an obstacle exists in the front of the trolley, a signal is sent to the control system, the control system controls the trolley to stop moving, and the obstacle sensor can accurately control the trolley to stop when the obstacle exists in the front of the trolley.

As an optimized technical scheme, the vehicle body comprises a bottom plate (1) and a vehicle cover (2); the car cover (2) is fixedly connected above the bottom plate (1); the driving mechanism and the lifting mechanism are fixedly connected to the top surface of the bottom plate (1), the car cover (2) covers the driving mechanism and the lifting mechanism, and the obstacle sensor is fixedly connected to the outside of the car cover (2).

As an optimized technical scheme, the lifting mechanism comprises an air cylinder (12), a piston rod (13) and a supporting block (14); the air cylinder (12) is fixedly connected to the bottom plate (1), and the piston rod (13) can lift in the air cylinder (12) along the vertical direction; the supporting block (14) is fixedly connected to the top of the piston rod (13), and a through hole through which the supporting block (14) can penetrate is formed in the top of the vehicle cover (2).

As an optimized technical scheme, a plurality of lifting mechanisms are arranged, and all the lifting mechanisms are symmetrically distributed in the area of the bottom of the power battery to be replaced.

As an optimized technical scheme, the wheel assembly comprises a wheel (3), an axle (4) and a first bearing seat (5); the wheels (3) are provided with a plurality of pairs, each pair comprises two wheels (3); two ends of each axle (4) are respectively and fixedly connected with two wheels (3) of each pair, and the axles (4) are arranged in parallel front and back; the axle (4) is fixedly connected to the bottom plate (1) through the first bearing seat (5); the car axle (4) stretches across the bottom plate (1) from the upper part of the bottom plate (1), two ends of the car axle (4) penetrate out of the outer part of the car cover (2) from two sides of the car cover (2) respectively, and the wheels (3) are located on the outer part of the car cover (2).

As an optimized technical scheme, a plurality of first bearing seats (5) are arranged, and the first bearing seats (5) are arranged at intervals along the length direction of the axle (4).

As an optimized technical scheme, the driving mechanism comprises a motor (6), a small bevel gear (10) and a large bevel gear (11), the motor (6) can drive the small bevel gear (10) to rotate, the large bevel gear (11) is fixedly connected to the outer ring of the axle (4), and the small bevel gear (10) is meshed with the large bevel gear (11).

As an optimized technical scheme, the driving mechanism further comprises a speed reducer (7), a second bearing seat (8) and a coupling cone (9); the output shaft of the motor (6) is fixedly connected with the input shaft of the speed reducer (7); an output shaft of the speed reducer (7) is fixedly connected in a central hole of the second bearing seat (8), and the second bearing seat (8) is fixedly connected to the bottom plate (1); one end of the coupler cone (9) is fixedly connected with an output shaft of the speed reducer (7), and the other end of the coupler cone is fixedly connected with the small bevel gear (10). The speed reducer can control the speed of the trolley.

As an optimized technical scheme, the number of the driving mechanisms is the same as that of the wheels (3), and a large bevel gear (11) of each driving mechanism is fixedly connected to one side, close to the wheels (3) driven by the driving mechanism, of the axle (4).

The utility model has the advantages that: can convenient and fast ground change the battery package that has charged for the electric motor car, solve the short difficult problem of battery package continuation of the journey mileage, can reduce manpower, material resources cost that the battery package was changed.

Drawings

Fig. 1 is an explosion schematic diagram of the power battery pack quick-change trolley according to the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bottom plate, a wheel assembly and a driving mechanism according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a drive mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an elevating mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a state in which the power battery pack quick-change cart is located under the power battery pack.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the quick-change cart for the power battery pack comprises a cart body, a wheel assembly, a driving mechanism, a lifting mechanism, an obstacle sensor (not shown in the figure) and a control system (not shown in the figure).

The vehicle body comprises a bottom plate 1 and a vehicle cover 2; the wheel assembly comprises a wheel 3, an axle 4 and a first bearing seat 5; referring to fig. 3, the driving mechanism includes a motor 6, a reducer 7, a second bearing seat 8, a coupling cone 9, a small bevel gear 10, and a large bevel gear 11; referring to fig. 4, the lifting mechanism includes a cylinder 12, a piston rod 13, and a supporting block 14.

The vehicle cover 2 is fixedly connected above the bottom plate 1; the wheel assembly, the driving mechanism, the lifting mechanism and the obstacle sensor are all arranged on the vehicle body, the driving mechanism and the lifting mechanism are all fixedly connected to the top surface of the bottom plate 1, the vehicle cover 2 covers the driving mechanism and the lifting mechanism, and the obstacle sensor is fixedly connected to the outside of the vehicle cover 2; the driving mechanism can drive the wheel assembly to advance so as to drive the vehicle body to advance; the lifting mechanism can lift and descend above the vehicle body along the vertical direction; the driving mechanism, the lifting mechanism and the obstacle sensor are respectively connected with the control system.

The wheel assembly is provided with two pairs of wheels 3, each pair comprising two wheels 3; two ends of each axle 4 are respectively and fixedly connected with two wheels 3 of each pair, and the axles 4 are arranged in parallel in the front and back directions; a plurality of first bearing seats 5 are arranged, and each first bearing seat 5 is arranged at intervals along the length direction of the axle 4 and fixedly connected to the bottom plate 1; the axles 4 are fixedly connected to the base plate 1 through first bearing seats 5, and each axle 4 is fixedly connected to the central holes of the first bearing seats 5; the axle 4 crosses the base plate 1 from above the base plate 1, both ends of the axle 4 penetrate the outside of the cover 2 from both sides of the cover 2, respectively, and the wheels 3 are located outside the cover 2.

As shown in fig. 3, the motor 6 is a direct current motor, the reducer 7 is a planetary reducer, and an output shaft of the motor 6 is fixedly connected with an input shaft of the reducer 7 through a bolt; an output shaft of the speed reducer 7 is fixedly connected in a central hole of a second bearing seat 8, and the second bearing seat 8 is fixedly connected on the bottom plate 1; one end of the coupling cone 9 is fixedly connected with an output shaft of the speed reducer 7, and the other end of the coupling cone is fixedly connected with the small bevel gear 10, so that the motor 6 can drive the small bevel gear 10 to rotate; the large bevel gear 11 is fixedly connected to the outer ring of the axle 4, and the small bevel gear 10 is meshed with the large bevel gear 11; the number of the driving mechanisms is the same as that of the wheels 3, and the large bevel gear 11 of each driving mechanism is fixedly connected to one side of the axle 4 close to the driven wheel 3.

As shown in fig. 4, the cylinder 12 is fixedly connected to the base plate 1 by bolts, and the piston rod 13 can be vertically lifted in the cylinder 12; the rectangular supporting block 14 is fixedly connected to the top of the piston rod 13, and a rectangular through hole through which the supporting block 14 can pass is formed in the position, corresponding to the supporting block 14, of the top of the vehicle cover 2; in the embodiment, six lifting mechanisms are arranged, and all the lifting mechanisms are symmetrically distributed in the area of the bottom of the power battery to be replaced.

As shown in fig. 5, the utility model discloses power battery package quick change dolly's working process does: the motor 6 outputs power, the speed reducer 7 controls the speed of the trolley, the coupling cone 9 rotates to drive the small bevel gear 10 to rotate, and further the large bevel gear 11 rotates, so that the axle 4 is driven to rotate, and the wheels 3 are driven to rotate forwards and do linear motion; when the trolley runs to the position below the power battery pack 15, the obstacle sensor detects that an obstacle exists in the front of the trolley, a signal is sent to the control system, the control system controls the motor 6 to stop, the trolley stops moving, the lifting mechanism is controlled to start working, the bottom of the air cylinder 12 is inflated, the piston rod 13 is pushed to move upwards, and the supporting block 14 moves upwards to support the power battery pack 15; then the air cylinder 12 is deflated, the piston rod 13 moves downwards, the power battery pack 15 is supported by the supporting block 14 to slowly fall on the top of the vehicle cover 2, at the moment, the power battery pack 15 is completely detached, the trolley carries the low-power battery pack 15 away to replace a new pack, and the replacing process is consistent with the movement.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a power battery package quick change dolly which characterized in that: comprises a vehicle body, a wheel assembly, a driving mechanism, a lifting mechanism and a control system; the wheel assembly, the driving mechanism and the lifting mechanism are all arranged on the vehicle body; the driving mechanism can drive the wheel assembly to advance so as to drive the vehicle body to advance; the lifting mechanism can lift and descend above the vehicle body along the vertical direction; the driving mechanism and the lifting mechanism are respectively connected with the control system.

2. The quick-change trolley for the power battery pack as claimed in claim 1, wherein: the quick-change trolley for the power battery pack further comprises an obstacle sensor, wherein the obstacle sensor is installed on the trolley body and is connected with the control system.

3. The quick-change trolley for the power battery pack as claimed in claim 2, wherein: the vehicle body comprises a bottom plate (1) and a vehicle cover (2); the car cover (2) is fixedly connected above the bottom plate (1); the driving mechanism and the lifting mechanism are fixedly connected to the top surface of the bottom plate (1), the car cover (2) covers the driving mechanism and the lifting mechanism, and the obstacle sensor is fixedly connected to the outside of the car cover (2).

4. The quick-change trolley for the power battery pack as claimed in claim 3, wherein: the lifting mechanism comprises a cylinder (12), a piston rod (13) and a supporting block (14); the air cylinder (12) is fixedly connected to the bottom plate (1), and the piston rod (13) can lift in the air cylinder (12) along the vertical direction; the supporting block (14) is fixedly connected to the top of the piston rod (13), and a through hole through which the supporting block (14) can penetrate is formed in the top of the vehicle cover (2).

5. The quick-change trolley for the power battery pack as claimed in claim 4, wherein: the lifting mechanisms are arranged in a plurality and are symmetrically distributed in the area of the bottom of the power battery to be replaced.

6. The quick-change trolley for the power battery pack as claimed in claim 3, wherein: the wheel assembly comprises a wheel (3), an axle (4) and a first bearing seat (5); the wheels (3) are provided with a plurality of pairs, each pair comprises two wheels (3); two ends of each axle (4) are respectively and fixedly connected with two wheels (3) of each pair, and the axles (4) are arranged in parallel front and back; the axle (4) is fixedly connected to the bottom plate (1) through the first bearing seat (5); the car axle (4) stretches across the bottom plate (1) from the upper part of the bottom plate (1), two ends of the car axle (4) penetrate out of the outer part of the car cover (2) from two sides of the car cover (2) respectively, and the wheels (3) are located on the outer part of the car cover (2).

7. The quick-change trolley for the power battery pack as claimed in claim 6, wherein: the first bearing seats (5) are arranged in a plurality, and the first bearing seats (5) are arranged at intervals along the length direction of the axle (4).

8. The quick-change trolley for the power battery pack as claimed in claim 6, wherein: the driving mechanism comprises a motor (6), a small bevel gear (10) and a large bevel gear (11), the motor (6) can drive the small bevel gear (10) to rotate, the large bevel gear (11) is fixedly connected to the outer ring of the axle (4), and the small bevel gear (10) is meshed with the large bevel gear (11).

9. The quick-change trolley for the power battery pack as claimed in claim 8, wherein: the driving mechanism further comprises a speed reducer (7), a second bearing seat (8) and a coupling cone (9); the output shaft of the motor (6) is fixedly connected with the input shaft of the speed reducer (7); an output shaft of the speed reducer (7) is fixedly connected in a central hole of the second bearing seat (8), and the second bearing seat (8) is fixedly connected to the bottom plate (1); one end of the coupler cone (9) is fixedly connected with an output shaft of the speed reducer (7), and the other end of the coupler cone is fixedly connected with the small bevel gear (10).

10. The quick-change trolley for the power battery pack as claimed in claim 8, wherein: the number of the driving mechanisms is the same as that of the wheels (3), and a large bevel gear (11) of each driving mechanism is fixedly connected to one side, close to the wheels (3) driven by the driving mechanism, of the axle (4).