CN210634414U

CN210634414U - Heavy truck battery locking mechanism

Info

Publication number: CN210634414U
Application number: CN201921280111.7U
Authority: CN
Inventors: 郝战铎; 张建兴; 徐红刚
Original assignee: Nanjing Mit Energy Technology Co Ltd
Current assignee: Nanjing Mit Energy Technology Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-29
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to the technical field of electric automobile battery replacement, in particular to a heavy truck battery locking mechanism, which comprises a base and a battery assembly, wherein the battery assembly is detachably connected on the base; the base comprises a supporting frame, a group of vehicle body fixing frames for fixing on a vehicle body are symmetrically arranged at the bottom of the supporting frame, and a group of locking mechanisms for fixing the battery component are symmetrically arranged at two ends of the top surface of the frame; the battery component comprises a battery frame, and locking sleeves matched with the battery frame are arranged on two sides of the battery frame corresponding to the locking ends of each locking mechanism; an electric connection part is further arranged between the base and the battery pack, and a guide part is arranged on one side of the electric connection part. The utility model discloses a structure is assembled fast to unitized combination formula can dispose according to vehicle and battery pack actual size in a flexible way during the application, the maintenance of being convenient for, and the overall arrangement is compact, and simple structure is worth promoting.

Description

Heavy truck battery locking mechanism

Technical Field

The utility model relates to an electric automobile trades electric technical field, especially relates to a heavy truck battery locking mechanism.

Background

Along with the increasing attention of the country to environmental protection, the electric automobile replaces a fuel vehicle to become a development trend, the consumption proportion of the truck to fuel is large, and the pollution to the environment is heavy, so the development of the electric truck becomes an important part for solving the problem of environmental pollution, and as the rechargeable truck needs basic driving mileage to meet the actual operation requirement, the electric quantity of a battery equipped on the vehicle cannot be lower than a threshold value, and meanwhile, the rechargeable truck is influenced by the fast grade withdrawal and even cancellation of the state to the subsidy of the new energy automobile, the cost of the rechargeable truck is increased, the market promotion is not facilitated, and the vehicle-electricity-separated business mode can be adopted for the vehicle-electricity-exchanged truck type, so the cost of a user for purchasing the vehicle is greatly reduced, and the development of the electric truck is further promoted. At present, the technology of battery replacement of a new energy automobile is not mature enough, the installation and disassembly processes of batteries are complex, the precision requirement during locking and unlocking is high, and the like, and particularly the battery locking mechanism of a heavy truck is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the heavy truck battery locking mechanism who proposes.

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

the battery locking mechanism for the heavy truck comprises a base and a battery assembly, wherein the battery assembly is detachably connected to the base;

the base comprises a supporting frame, a group of vehicle body fixing frames for fixing on a vehicle body are symmetrically arranged at the bottom of the supporting frame, and a group of locking mechanisms for fixing the battery pack are symmetrically arranged at two ends of the top surface of the frame;

the battery assembly comprises a battery frame, and locking sleeves matched with the battery frame are arranged on two sides of the battery frame corresponding to the locking ends of each locking mechanism;

still be equipped with electric connection portion between base and the battery pack, one side of electric connection portion is equipped with the guide part.

Furthermore, locking mechanism includes fitting pin, sliding sleeve, connecting rod, pivot, drive element, fitting pin quantity is two and fixes in the bottom both sides of base through the sliding sleeve symmetry respectively, the bolt end of fitting pin run through the lateral part of base and with the locking sleeve corresponds the setting, drive element fixes on the axis of base, and its output rotates through the connecting rod to be connected on the tip of fitting pin, and the both ends of connecting rod all rotate through the pivot and connect.

Furthermore, a first in-place switch and a second in-place switch are respectively arranged on a path of the output end of the locking mechanism corresponding to the driving element walking along a straight line, the first in-place switch is positioned on an unlocking position of the limited locking mechanism, and the second in-place switch is positioned on a locking position of the locking mechanism.

Furthermore, the driving element is a linear driving element and is one of a telescopic oil cylinder, a telescopic air cylinder or an electric telescopic rod.

Further, the electric connection portion comprises an electric connector socket and an electric connector plug, the electric connector socket is fixedly arranged on the top surface of the frame, the electric connector plug is fixedly arranged on the bottom surface of the battery frame, and the electric connector socket and the electric connector plug are correspondingly arranged.

Further, the guide part comprises a guide pin and a guide piece, the guide pin is vertically and fixedly arranged on the top surface of the frame, the guide piece is arranged on the bottom surface of the battery frame, and the guide piece and the guide pin are correspondingly arranged.

The utility model provides a pair of heavy truck battery locking mechanism, beneficial effect lies in: the utility model discloses a structure is assembled fast to unitized combination formula, can dispose according to vehicle and battery pack actual size is nimble during the application, the maintenance of being convenient for, the overall arrangement is compact, and simple structure simplifies the structure of trading electric in-process battery locking and unblock, has improved the precision of battery installation when trading the electricity, has also improved simultaneously and has traded electric efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic exploded perspective view of a base and a battery assembly in an embodiment of the present invention;

fig. 2 is a schematic bottom perspective view of a battery assembly according to an embodiment of the present invention;

fig. 3 is a schematic top view of the base in the embodiment of the present invention;

fig. 4 is a schematic side view of the base in the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view at a-a of fig. 3 in an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view at B-B of fig. 3 in an embodiment of the present invention;

fig. 7 is a schematic structural view of the locking mechanism in the locked state according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of the locking mechanism in the unlocked state in the embodiment of the present invention.

Labeled as: the locking device comprises a base 1, a supporting frame 11, a vehicle body fixing frame 12, a locking mechanism 13, a locking pin 131, a sliding sleeve 132, a connecting rod 133, a shaft pin 134, a driving element 135, a first in-position switch 136, a second in-position switch 137, a guide pin 14, an electric connector socket 15, a battery assembly 2, a battery frame 21, a locking sleeve 22, a guide piece 23 and an electric connector plug 24.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-8, a heavy truck battery locking mechanism comprises a base 1 and a battery assembly 2, wherein the battery assembly 2 is detachably connected to the base 1;

the base 1 comprises a supporting frame 11, a group of vehicle body fixing frames 12 for fixing on a vehicle body are symmetrically arranged at the bottom of the supporting frame 11, and a group of locking mechanisms 13 for fixing the battery component 2 are symmetrically arranged at two ends of the top surface of the frame 11;

the battery component 2 comprises a battery frame 21, and locking sleeves 22 matched with the two sides of the battery frame 21 corresponding to the locking ends of each locking mechanism 13;

an electric connection part is further arranged between the base 1 and the battery pack 2, and a guide part is arranged on one side of the electric connection part.

The utility model discloses a heavy truck battery locking mechanism, simple structure adopts the quick structure of assembling of unitized combination formula, can dispose according to vehicle and battery pack actual size in a flexible way during the application, is convenient for maintain, and the overall arrangement is compact.

Specifically, during the use, base 1 passes through automobile body mount 12 to be fixed on the heavy truck body, and battery pack 2 can be assembled or separate with base 1 on fast through the equipment of lifting by crane, realizes battery pack 2's quick replacement.

Referring to fig. 3-6, further, the locking mechanism 13 includes two locking pins 131, a sliding sleeve 132, a connecting rod 133, a shaft pin 134, and a driving element 135, the two locking pins 131 are symmetrically fixed at two sides of the bottom of the base 1 through the sliding sleeve 132, respectively, a pin end of the locking pin 131 penetrates through a side portion of the base 1 and is disposed corresponding to the locking sleeve 22, the driving element 135 is fixed on an axis of the base 1, an output end thereof is rotatably connected to an end portion of the locking pin 131 through the connecting rod 133, and two ends of the connecting rod 133 are rotatably connected through the shaft pin 134.

After the battery assembly 2 is seated on the base 1 in a matching manner, when the locking mechanism 13 is locked, the driving element 135 pushes the locking pin 131 to slide outwards along the sliding sleeve 132 through the connecting rod 133, so that the locking pin 131 is inserted into the locking sleeve 22, and the locking mechanism 13 locks the battery assembly 2 and the base 1, and conversely, the driving element 135 pulls the locking pin 131 reversely through the connecting rod 133 to unlock.

Referring to fig. 5 and 6, further, a first in-position switch 136 and a second in-position switch 137 are respectively disposed on the path of the locking mechanism 13 along which the output end of the driving element 135 travels in a straight line, the first in-position switch 136 is located at an unlocking position defining the locking mechanism 13, and the second in-position switch 137 is located at a locking position of the locking mechanism 13.

The first in-place switch 136 and the second in-place switch 137 are arranged, so that the driving element 135 can be protected in the use process, the driving stroke of the output end of the driving element 135 is effectively limited in the unlocking or locking process of the locking mechanism 13, the driving element 135 is prevented from exceeding the stroke, and meanwhile, the current unlocking or locking state of the locking mechanism 13 is accurately judged through the switching states of the first in-place switch 136 and the second in-place switch 137.

Further, the driving element 135 is a linear driving element, and is one of a telescopic oil cylinder, a telescopic cylinder, or an electric telescopic rod.

Referring to fig. 1 and 2, further, the electrical connection portion includes an electrical connector socket 15 and an electrical connector plug 24, the electrical connector socket 15 is fixedly disposed on the top surface of the frame 11, the electrical connector plug 24 is fixedly disposed on the bottom surface of the battery frame 21, and the electrical connector socket 15 is disposed corresponding to the electrical connector plug 24.

The electric connector socket 15 and the electric connector plug 24 are arranged, so that charging and discharging of the battery assembly 2 can be facilitated, and in use, the electric connector socket 15 and the electric connector plug 24 can be mutually butted to supply power to a heavy truck.

Referring to fig. 1 and 2, further, the guide part includes a guide pin 14 and a guide member 23, the guide pin 14 is vertically fixedly provided on the top surface of the frame 11, the guide member 23 is provided on the bottom surface of the battery frame 21, and the guide member 23 is provided corresponding to the guide pin 14.

The guide pins 14 and the guide pieces 23 are arranged, so that the base 1 and the battery pack 2 can be better butted, the electric connection part can be accurately butted, and the damage to the electric connector socket 15 and the electric connector plug 24 caused by inaccurate butting is avoided.

In order to realize the heavy truck battery locking mechanism, the embodiment also discloses a method for unlocking the battery by using the locking mechanism 13, which comprises the following steps:

a. and (3) locking the base 1 and the battery assembly 2:

(1) the locking mechanism 13 of the base 1 is in an unlocked state, the locking pin 131 retracts into the frame 11, and the battery assembly 2 is positioned right above the base 1, so that the conical tip part of the guide pin 14 is positioned in the range of the conical hole of the guide piece 23;

(2) the battery component 2 descends, and is guided by the guide piece 23 and the guide pin 14 of the base 1, so that the battery component 2 is gradually restrained from vertically approaching the base 1 from the upper part until the guide piece 23 and the guide pin 14 are completely aligned, and the electric connector socket 15 and the electric connector plug 24 are completely coupled;

(3) the driving element 135 of the locking mechanism 13 extends outward to drive the connecting rod 133 to rotate around the shaft pin 134, so that the locking pin 131 moves outward along the sliding sleeve 132 and is inserted into the locking sleeve 22 of the battery assembly 2 until the moving connecting rod 133 triggers the position switch 137, at which time the battery assembly 2 and the base 1 are in a locked state.

b. Unlocking the base 1 and the battery assembly 2:

(1) the locking mechanism 13 of the base 1 is in a locking state, and the locking pin 131 extends out of the frame 11 and is in a state of being inserted into the locking sleeve 22 of the battery assembly 2;

(2) the driving element 135 of the locking mechanism 13 retracts inward to drive the connecting rod 133 to rotate around the shaft pin 134, so that the locking pin 131 moves inward along the sliding sleeve 132 to be separated from the locking sleeve 22 of the battery assembly 2, until the moving connecting rod 133 triggers the position switch 136, and stops, and at this time, the battery assembly 2 and the base 1 are in an unlocked state;

(3) the battery component 2 can be lifted by the lifting equipment to be separated from the base 1, and then is replaced by another battery component 2, and the step 1 is repeated, so that free replacement is realized.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The battery locking mechanism of the heavy truck is characterized by comprising a base (1) and a battery assembly (2), wherein the battery assembly (2) is detachably connected to the base (1);

the base (1) comprises a supporting frame (11), a group of vehicle body fixing frames (12) for fixing on a vehicle body are symmetrically arranged at the bottom of the supporting frame (11), and a group of locking mechanisms (13) for fixing the battery component (2) are symmetrically arranged at two ends of the top surface of the frame (11);

the battery component (2) comprises a battery frame (21), and locking sleeves (22) matched with the battery frame (21) are arranged on two sides of the battery frame (21) corresponding to the locking ends of the locking mechanisms (13);

an electric connection part is further arranged between the base (1) and the battery component (2), and a guide part is arranged on one side of the electric connection part.

2. The heavy truck battery locking mechanism as claimed in claim 1, wherein the locking mechanism (13) comprises two locking pins (131), a sliding sleeve (132), a connecting rod (133), a shaft pin (134), and a driving element (135), the locking pins (131) are symmetrically fixed on two sides of the bottom of the base (1) through the sliding sleeve (132), the latch ends of the locking pins (131) penetrate through the side of the base (1) and are arranged corresponding to the locking sleeve (22), the driving element (135) is fixed on the axis of the base (1), the output end of the driving element is rotatably connected to the end of the locking pin (131) through the connecting rod (133), and two ends of the connecting rod (133) are rotatably connected through the shaft pin (134).

3. The battery locking mechanism of a heavy truck as claimed in claim 1, characterized in that the locking mechanism (13) is provided with a first in-position switch (136) and a second in-position switch (137) respectively on the path of the output end of the corresponding driving element (135) along the straight line, the first in-position switch (136) is located at the unlocking position of the locking mechanism (13), and the second in-position switch (137) is located at the locking position of the locking mechanism (13).

4. The heavy truck battery locking mechanism of claim 2, characterized in that the driving element (135) is a linear driving element, and is one of a telescopic cylinder, a telescopic cylinder or an electric telescopic rod.

5. A heavy truck battery locking mechanism according to claim 1, characterized in that the electrical connection comprises an electrical connector socket (15) and an electrical connector plug (24), the electrical connector socket (15) is fixedly arranged on the top surface of the frame (11), the electrical connector plug (24) is fixedly arranged on the bottom surface of the battery frame (21), and the electrical connector socket (15) is arranged corresponding to the electrical connector plug (24).

6. A heavy truck battery locking mechanism according to claim 1, characterized in that the guiding part comprises a guiding pin (14) and a guiding member (23), the guiding pin (14) is vertically and fixedly arranged on the top surface of the frame (11), the guiding member (23) is arranged on the bottom surface of the battery frame (21), and the guiding member (23) is arranged corresponding to the guiding pin (14).