1. The utility model provides a do not have power and trade electric assembly is traded to electric formula heavily block which characterized in that: the battery pack replacement device comprises a heavy truck battery pack replacement and a battery pack base which is connected with the lower part of the heavy truck battery pack replacement in a matching way;

the heavy-card battery replacement pack comprises a battery pack storage rack, a plurality of battery replacement pack units arranged in the battery pack storage rack and a charging interface arranged at one side part of the battery pack storage rack;

the battery pack base comprises a base frame matched with the bottom of the heavy truck battery replacement pack; a primary positioning unit, a secondary positioning unit and a tertiary positioning unit are arranged in the base frame and used for limiting and butting with the bottom of the heavy truck battery replacement pack;

and a battery replacement connector for electrical butt joint is arranged in the third-stage positioning unit.

2. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 1, characterized in that: the three-stage positioning unit is positioned in the middle of the battery pack base; the first-level positioning units are respectively arranged at four diagonal positions of the third-level positioning unit; the second-level positioning unit is arranged around the periphery of the base frame.

3. The power-free battery replacement type heavy truck battery replacement assembly as claimed in claim 1 or 2, wherein: the secondary positioning unit comprises a positioning connecting block connected with the base frame and at least one roller shaft arranged in the positioning connecting block; the roller shaft can axially rotate, is exposed out of the outer side part of the positioning connecting block and is used for forming rolling guide when being connected with the inner side of the bottom of the heavy battery clamping and replacing pack.

4. The power-free battery replacement type heavy truck battery replacement assembly as claimed in claim 1 or 2, wherein: the base frame is a square frame body; unpowered locking connection blocks for locking connection are respectively arranged at the four opposite corners of the base frame; the battery pack storage rack is of a square structure, and locking connecting rods which are matched and connected with the unpowered locking connecting blocks and used for unpowered unlocking and locking are hidden at four diagonal positions of the battery pack storage rack.

5. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 1, characterized in that: the inner side of the battery pack storage rack is provided with a plurality of partition plates from top to bottom, and the partition plates divide the interior of the battery pack storage rack into a plurality of storage spaces for placing battery pack replacement units; the upper part of the battery pack storage rack is provided with a transfer rack which is convenient for transferring the battery pack storage rack through an external mechanism; the transfer frame is of a square frame structure; the transfer frame is connected with the battery pack storage frame through four connecting rods at opposite angles; the transfer space is a space between the square frame structure and the battery pack storage rack.

6. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 4, characterized in that: a locking connecting hole is formed in the unpowered locking connecting block; the locking and connecting hole is of a square hole structure;

the locking connecting rod is provided with a first locking block at one end of the unpowered locking connecting block; the first locking block is matched with the locking connecting hole, and the locking connecting rod penetrates through the locking connecting hole through the first locking block;

the locking connecting rod is also provided with a second locking block at one end of the top of the battery pack storage rack; and a plurality of safety bolts for playing a safety limiting role are further arranged at the outer side part of the second locking block.

7. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 6, characterized in that: and the battery pack storage rack is provided with a bearing body or a copper sleeve which is convenient for arranging the locking connecting rod and enables the locking connecting rod to axially rotate at the second locking block.

8. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 3, characterized in that: the secondary positioning units are respectively fixedly arranged at the outer sides of four diagonal positions of the tertiary positioning unit and are arranged close to the primary positioning units, and the secondary positioning units are also symmetrically arranged at the middle parts of the left end and the right end of the base frame;

the drum shaft of the secondary positioning unit is arranged towards the outer side, so that the drum shaft is convenient to contact with the inner side wall of the bottom of the heavy battery clamping and replacing pack.

9. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 1, characterized in that: and vehicle mounting brackets which are used for being connected and fixed with the heavy truck are further integrally formed at the two ends of the outer side of the middle part of the base frame.

10. The unpowered power-replacing type heavy truck power-replacing assembly as recited in claim 2, characterized in that: the primary positioning unit is a positioning column; positioning holes butted with the positioning columns are respectively formed in the bottom of the heavy truck battery replacement pack; the three-level positioning unit comprises a fixing plate, and the electric connector is arranged on the fixing plate in a matrix mode.

[ background art ]

With the gradual popularization of the electric new energy automobile, various technologies are improved and enhanced.

The current battery replacement package has the problems of complex production process, difficult maintenance, low reliability in the use process, low assembly, maintenance and disassembly efficiency, and incapability of well meeting the actual use requirements, especially for heavy truck vehicles needing batteries with larger capacity.

Based on this, need to trade the current battery package and trade the structure and carry out the improvement of structure for actual use can be more nimble, quick, and reduce cost.

[ summary of the invention ]

In order to solve the problems in the prior art, the invention provides the unpowered power change type heavy truck power change assembly which is reasonable in structural design, low in cost and high in reliability.

The invention provides a power-free battery replacement type heavy truck battery replacement assembly, which comprises a heavy truck battery replacement package and a battery package base connected with the lower part of the heavy truck battery replacement package in a matching way;

the heavy-card battery replacement pack comprises a battery pack storage rack, a plurality of battery replacement pack units arranged in the battery pack storage rack and a charging interface arranged at one side part of the battery pack storage rack;

the battery pack base comprises a base frame matched with the bottom of the heavy truck battery replacement pack; a primary positioning unit, a secondary positioning unit and a tertiary positioning unit are arranged in the base frame and used for limiting and butting with the bottom of the heavy truck battery replacement pack;

and a battery replacement connector for electrical butt joint is arranged in the third-stage positioning unit.

Preferably, the tertiary positioning unit is positioned in the middle of the base of the battery pack; the first-level positioning units are respectively arranged at four diagonal positions of the third-level positioning unit; the second-level positioning unit is arranged around the periphery of the base frame.

Preferably, the secondary positioning unit comprises a positioning connecting block connected with the base frame and at least one roller shaft arranged in the positioning connecting block; the roller shaft can axially rotate, is exposed out of the outer side part of the positioning connecting block and is used for forming rolling guide when being connected with the inner side of the bottom of the heavy battery clamping and replacing pack.

Preferably, the base frame is a square frame body; unpowered locking connection blocks for locking connection are respectively arranged at the four opposite corners of the base frame; the battery pack storage rack is of a square structure, and locking connecting rods which are matched and connected with the unpowered locking connecting blocks and used for unpowered unlocking and locking are hidden at four diagonal positions of the battery pack storage rack.

Preferably, a plurality of partition plates are arranged on the inner side of the battery pack storage rack from top to bottom, and the partition plates divide the interior of the battery pack storage rack into a plurality of storage spaces for placing battery pack replacement units; the upper part of the battery pack storage rack is provided with a transfer rack which is convenient for transferring the battery pack storage rack through an external mechanism; the transfer frame is of a square frame structure; the transfer frame is connected with the battery pack storage frame through four connecting rods at opposite angles; the transfer space is a space between the square frame structure and the battery pack storage rack.

Preferably, a locking connecting hole is formed in the unpowered locking connecting block; the locking and connecting hole is of a square hole structure;

the locking connecting rod is provided with a first locking block at one end of the unpowered locking connecting block; the first locking block is matched with the locking connecting hole, and the locking connecting rod penetrates through the locking connecting hole through the first locking block;

the locking connecting rod is also provided with a second locking block at one end of the top of the battery pack storage rack; and a plurality of safety bolts for playing a safety limiting role are further arranged at the outer side part of the second locking block.

Preferably, the battery pack storage rack is provided with a bearing body or a copper sleeve which is convenient for arranging the locking connecting rod and enables the locking connecting rod to axially rotate at the second locking block.

Preferably, the secondary positioning units are respectively and fixedly arranged at the outer sides of four diagonal positions of the tertiary positioning unit and close to each primary positioning unit, and the secondary positioning units are also symmetrically arranged at the middle parts of the left end and the right end of the base frame;

the drum shaft of the secondary positioning unit is arranged towards the outer side, so that the drum shaft is convenient to contact with the inner side wall of the bottom of the heavy battery clamping and replacing pack.

Preferably, the two ends of the outer side of the middle part of the base frame are also integrally provided with vehicle mounting brackets which are used for being connected and fixed with the heavy truck.

Preferably, the primary positioning unit is a positioning column; positioning holes butted with the positioning columns are respectively formed in the bottom of the heavy truck battery replacement pack; the three-level positioning unit comprises a fixing plate, and the electric connector is arranged on the fixing plate in a matrix mode.

Compared with the prior art, the unpowered power change type heavy truck battery replacement assembly is characterized in that a heavy truck battery replacement pack 11 and a battery pack base 12 which is connected with the lower portion of the heavy truck battery replacement pack 11 in a matched mode are arranged at the same time, the heavy truck battery replacement pack 11 comprises a battery pack storage rack, a plurality of battery replacement pack units arranged in the battery pack storage rack and a charging interface 111 arranged at one side of the battery pack storage rack, and the battery pack base 12 comprises a base frame matched with the bottom of the heavy truck battery replacement pack 11; install one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 in the base frame, be used for with heavily block and trade the spacing butt joint in battery package bottom, install in tertiary positioning unit 122 and be used for carrying on the electric property butt joint trade the electric connector, among the practical application process, the unpowered formula of trading of this application heavily blocks and trades the battery assembly and can carry out unpowered split and connect fixedly, be convenient for carry out nimble battery package and change, each the design of one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 also makes concrete connection process more accurate, structural design is reasonable, and the application effect is outstanding.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a three-dimensional state of a power-free power change type heavy truck power change assembly of the invention.

Fig. 2 is a schematic structural diagram of a three-dimensional state of a battery pack base in the unpowered power change type heavy truck power change assembly.

[ detailed description of the invention ]

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 and fig. 2, an unpowered power-change-type heavy truck power change assembly 1 according to the present invention includes a heavy truck power change battery pack 11 and a battery pack base 12 connected to a lower portion of the heavy truck power change battery pack 11 in a matching manner;

the heavy-card battery replacement pack 11 comprises a battery pack storage rack, a plurality of battery replacement pack units arranged in the battery pack storage rack and a charging interface 111 arranged at one side part of the battery pack storage rack;

the battery pack base 12 comprises a base frame matched with the bottom of the battery pack 11; a primary positioning unit 123, a secondary positioning unit 124 and a tertiary positioning unit 122 are arranged in the base frame and used for limiting and butting with the bottom of the heavy truck battery replacement pack;

and a power conversion connector for electrical butt joint is arranged in the third-stage positioning unit 122.

The heavy-card battery replacing package 11 and the battery package base 12 which is connected with the lower portion of the heavy-card battery replacing package 11 in a matched mode are arranged at the same time, the heavy-card battery replacing package 11 comprises a battery package storage rack, a plurality of battery replacing package units arranged in the battery package storage rack and a charging interface 111 arranged at one side of the battery package storage rack, and the battery package base 12 comprises a base frame matched with the bottom of the heavy-card battery replacing package 11; install one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 in the base frame, be used for with heavily block and trade the spacing butt joint in battery package bottom, install in tertiary positioning unit 122 and be used for carrying on the electric property butt joint trade the electric connector, among the practical application process, the unpowered formula of trading of this application heavily blocks and trades the battery assembly and can carry out unpowered split and connect fixedly, be convenient for carry out nimble battery package and change, each the design of one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 also makes concrete connection process more accurate, structural design is reasonable, and the application effect is outstanding.

In actual operation, locking and unlocking can be carried out through an external mechanical arm, a redundant safety device can be arranged in a linked mode, and the safety device is safer and more reliable.

In a preferred embodiment, the tertiary positioning unit 122 is located at the middle of the battery pack base 12; the primary positioning units 123 are respectively disposed at four diagonal positions of the tertiary positioning unit 122; the secondary positioning unit 124 is disposed around the outer periphery of the base frame.

The layout of the first-level positioning unit 123, the second-level positioning unit 124 and the third-level positioning unit 122 is obtained after multiple times of experimental verification, so that the positioning accuracy is high, and the reliability is high.

In a preferred embodiment, the secondary positioning unit 124 comprises a positioning connection block connected to the base frame and at least one roller shaft disposed in the positioning connection block; the roller shaft can axially rotate, is exposed out of the outer side part of the positioning connecting block and is used for forming rolling guide when being connected with the inner side of the bottom of the heavy battery clamping and replacing pack 11.

The traditional guide design is generally an inclined plane structure, when the weight of the battery pack is large, the friction force in the guide process is large, the device is easily damaged, the guide process is smooth by adopting the structure of the roller, and the battery pack is protected from being damaged.

In a preferred embodiment, the base frame is a square frame body; and four diagonal positions of the base frame are respectively provided with an unpowered locking connection block 125 for locking connection; the battery pack storage rack is of a square structure, and locking connecting rods which are used for being matched and connected with the unpowered locking connecting block 125 and performing unpowered unlocking and locking are hidden at four diagonal positions of the battery pack storage rack.

In a preferred embodiment, a plurality of partition plates are arranged on the inner side of the battery pack storage rack from top to bottom, and the partition plates divide the interior of the battery pack storage rack into a plurality of storage spaces for placing battery pack replacement units; the upper part of the battery pack storage rack is provided with a transfer rack 112 which is convenient for transferring the battery pack storage rack through an external mechanism; the transfer frame 112 is a square frame structure; the transfer frame 112 is connected with the battery pack storage frame through four connecting rods at opposite angles; the transfer space is a space between the square frame structure and the battery pack storage rack.

Because a gap space exists between the square frame structure and the battery pack storage rack, the battery pack storage rack can conveniently extend into the gap space in the actual transfer process to actually lift.

In a preferred embodiment, a locking connection hole is formed in the unpowered locking connection block 125; the locking and connecting hole is of a square hole structure;

the locking connecting rod is provided with a first locking block at one end of the unpowered locking connecting block 125; the first locking block is matched with the locking connecting hole, and the locking connecting rod penetrates through the locking connecting hole through the first locking block;

the locking connecting rod is also provided with a second locking block at one end of the top of the battery pack storage rack; and a plurality of safety bolts for playing a safety limiting role are further arranged at the outer side part of the second locking block.

In the unlocking and locking processes, the locking connecting rod can be pulled by an external mechanical arm structure to rotate, unlock and lock.

In a preferred embodiment, the battery pack storage rack is provided with a bearing body or a copper sleeve at the second locking block part, which is convenient for arranging the locking connecting rod and enables the locking connecting rod to rotate axially.

In a preferred embodiment, the secondary positioning units 124 are respectively fixed outside four diagonal positions of the tertiary positioning unit 122, and are disposed near each primary positioning unit 123, and the secondary positioning units 124 are further symmetrically disposed at the middle positions of the left and right ends of the base frame;

the drum shaft of the secondary positioning unit 124 is disposed toward the outer side, so as to be in contact with the inner side wall of the bottom of the heavy battery truck-replaceable battery pack 11.

In a preferred embodiment, the two ends of the outer side of the middle part of the base frame are further integrally provided with vehicle mounting brackets 121 for connecting and fixing with the heavy truck.

In a preferred embodiment, the primary positioning unit 123 is a positioning column; positioning holes butted with the positioning columns are respectively formed in the bottom of the heavy truck battery replacement pack 11; the third-level positioning unit 122 includes a fixing plate, and the electrical connector is mounted on the fixing plate in a matrix manner.

Compared with the prior art, the unpowered battery replacement type heavy truck battery replacement assembly 1 is characterized in that a heavy truck battery replacement pack 11 and a battery pack base 12 which is connected with the lower portion of the heavy truck battery replacement pack 11 in a matched mode are arranged at the same time, the heavy truck battery replacement pack 11 comprises a battery pack storage rack, a plurality of battery replacement pack units arranged in the battery pack storage rack and a charging interface 111 arranged at one side of the battery pack storage rack, and the battery pack base 12 comprises a base frame matched with the bottom of the heavy truck battery replacement pack 11; install one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 in the base frame, be used for with heavily block and trade the spacing butt joint in battery package bottom, install in tertiary positioning unit 122 and be used for carrying on the electric property butt joint trade the electric connector, among the practical application process, the unpowered formula of trading of this application heavily blocks and trades the battery assembly and can carry out unpowered split and connect fixedly, be convenient for carry out nimble battery package and change, each the design of one-level positioning unit 123, second grade positioning unit 124 and tertiary positioning unit 122 also makes concrete connection process more accurate, structural design is reasonable, and the application effect is outstanding.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.