CN115107491A - Vehicle-mounted battery replacing device - Google Patents

Abstract

The invention relates to a vehicle-mounted electricity changing device which comprises a quick-change electricity package switching structure and a fixed bracket structure, wherein the quick-change electricity package switching structure is connected with the fixed bracket structure through a floating nut assembly and a buffer pin assembly; the fixed bracket structure comprises a bracket frame assembly, a side guide roller assembly and a bottom guide roller assembly, wherein the bracket frame assembly comprises a bottom frame, a rear upright post assembly, a dustproof baffle, a side pre-guide bent plate and a side beam assembly; the bottom frame is a rectangular frame formed by welding square pipes, and the square pipes on the two sides of the rectangular frame are provided with welding nuts used for installing the lateral guide roller assemblies. The battery box fixing device mainly solves the problems that the battery box body is not easy to push and pull for positioning, the locking mechanism is high in positioning requirement, low in reliability, high in cost and the like in the battery replacing process, the battery replacing function is realized by using the conventional rechargeable battery pack, and the problems that the battery box is rigidly and reliably fixed, and the battery box is effectively prevented from loosening in a vibration environment and the like can be realized.

Description

Vehicle-mounted battery replacing device

The technical field is as follows:

the invention belongs to the technical field of battery replacement, and particularly relates to a vehicle-mounted battery replacement device.

Background art:

with the vigorous popularization of electric automobile development in recent years, electric automobiles are accepted and approved by more and more people. On the aspect of national strategy, the electric vehicle replaces a fuel vehicle, so that the problem of overhigh dependence of petroleum in China on the outside can be solved, and the problem that the traditional automobile technology in China is dependent on people for a long time can be solved. From the user's aspect of use, electric automobile drives and experiences and feels good, has characteristics such as silence, quicken soon, and its use cost is also low, and the charges of electricity cost is far less than refuels the cost. The electric automobile is not provided with a complex mechanical transmission mechanism, and the maintenance is mainly aimed at battery detection and maintenance, so that the maintenance cost is low.

The current obstacles to the popularization of electric vehicles mainly lie in battery safety and power compensation efficiency, and along with the continuous progress of battery technology, the battery safety is also continuously improved. For the compensation efficiency, the power conversion mode has the inherent advantage aiming at the public field with relatively unified vehicle model specifications. In the battery replacement mode, how to solve the reliable fixation of the battery box body and the vehicle body and adapt to the requirement of frequently disassembling the use working condition is particularly important in the design of the battery box structure and the fixation structure thereof, and because the problems of long period, high opening cost and the like exist in the redevelopment of the battery replacement box at present, how to utilize the existing battery pack to realize the battery replacement function and rapidly adapt to the market demand is very important. The battery box fixing device mainly solves the problems that the battery replacing function is realized by using the existing standard rechargeable battery pack, the battery box body is not easy to push and pull for positioning in the battery replacing process, the positioning requirement of the locking mechanism is high, the reliability is low, the cost is high and the like, and can realize the rigid reliable fixation of the battery box and effectively prevent the battery box from loosening in a vibration environment.

The invention content is as follows:

in order to solve the problems, the invention discloses a vehicle-mounted electricity changing device, which mainly reduces the damage of inertia to a fixed bracket structure when a quick-change electricity package switching structure is in contact with the fixed bracket structure by arranging a buffer pin assembly, so that the overall stability is improved, the quick-change electricity package switching structure is more tightly connected with the fixed bracket structure by matching a side beam assembly and a locking assembly, the falling-off phenomenon is avoided, meanwhile, the side wall and the bottom of the fixed bracket structure in the device are both provided with roller assemblies, so that the installation and the disassembly are more convenient and rapid, the roller assemblies and a side part pre-guiding bent plate can also play a role in guiding the quick-change electricity package switching structure, and one-time positioning is realized during the installation.

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

a vehicle-mounted battery replacing device comprises a quick-change battery pack switching structure and a fixed bracket structure, wherein the quick-change battery pack switching structure is connected with the fixed bracket structure through a floating nut assembly and a buffer pin assembly; the fixed bracket structure comprises a bracket frame assembly, a side guide roller assembly and a bottom guide roller assembly, wherein the bracket frame assembly comprises a bottom frame, a rear upright post assembly, a dustproof baffle, a side pre-guide bent plate and a side beam assembly; welding nuts used for installing the lateral guide roller assemblies are arranged on two sides of the bottom frame, a plurality of U-shaped bent frame plates are arranged on the bottom frame, and a plurality of bottom guide roller assemblies are arranged above the U-shaped bent frame plates; the rear upright post assembly is arranged on one side of the rectangular frame and comprises four vehicle end fixing upright posts, a buffer pin mounting plate and a connector socket fixing frame plate; the four vehicle end fixing upright columns are arranged side by side and form a first space, a second space and a third space; the first space and the third space are internally provided with the buffer pin mounting plates, and the second space is internally provided with the connector socket fixing frame plate; two ends of the buffer pin mounting plate are respectively fixed on the side walls of two adjacent vehicle end fixing upright columns, two sides of the connector socket fixing frame plate are respectively connected with the side walls of the vehicle end fixing upright columns on two sides of the second space, and the bottoms of the four vehicle end fixing upright columns are connected with the bottom frame; the side beam assembly is arranged in a space between the dustproof baffle and the quick-change electric package switching structure, the floating nut is arranged inside the side beam assembly, the side beam assembly comprises a shell, a guide pin, a support column and an L-shaped support, the support column and the L-shaped support are both arranged inside the shell, the outside of one side of the shell is fixedly connected with the guide pin, and a connecting hole is formed in the outer side of the side wall of the shell below the guide pin; the L-shaped support is fixedly connected with the inside of the shell, the supporting column is arranged on the L-shaped support, the supporting column and the connecting hole are in a parallel state, a spring is arranged on the supporting column, a first end of the floating nut is connected with the spring, and a second end of the floating nut is in contact with the connecting hole; the buffer pin assembly is arranged on the buffer pin mounting plate, the first end of the buffer pin assembly is sleeved on the buffer pin mounting plate, and the second end of the buffer pin assembly is contacted with the quick-change electric package switching structure; buffer round pin subassembly includes split pin, buffer spring, buffering uide bushing and buffering round pin, the first end of buffering round pin with quick change electricity package switching structure contacts, the second end of buffering round pin with split pin connects, the outside cover of buffering round pin is equipped with the buffering round pin, the buffer spring overlaps and establishes the lateral wall outside of buffering round pin, buffer spring's first end with buffering uide bushing fixed connection, the second end of spring with the lateral wall of buffering round pin mounting panel contacts.

Preferably, the side guide roller assemblies are symmetrically arranged at two sides of the bracket frame; the bottom guide roller assemblies are symmetrically arranged at the bottom of the bracket frame.

Preferably, the dustproof baffle plates are symmetrically welded on two sides of the bottom frame; the lateral pre-guiding bent plates are symmetrically welded on two sides of the dustproof baffle, and the lateral pre-guiding bent plates are integrally in a horn mouth shape and have a guiding and positioning effect.

Preferably, a slotted nut is arranged on the cotter pin and used for limiting the displacement of the buffer pin assembly.

Preferably, the quick-change electric package switching structure comprises a switching frame structure, a high-voltage junction box assembly, a locking mechanism and a frame guide sleeve; the first side of the adapter frame structure is in contact with the connector socket fixing frame plate, and the second side and the third side of the adapter frame structure are parallel to the dustproof baffle plate; the high-voltage junction box assembly and the frame guide sleeves are arranged on a first side of the switching frame structure, and the two frame guide sleeves are respectively arranged on the first sides of the switching frame structure on two sides of the high-voltage junction box assembly; the two locking mechanisms are respectively arranged on the second side and the third side of the adapting frame.

Preferably, the adapting frame structure comprises a main frame structure and a locking mechanism fixing plate; the bottom of the main body frame structure is provided with a nut for connecting a battery pack; the locking mechanism fixing plates are arranged on two sides of the main body frame structure, and the locking mechanisms are arranged on the locking mechanism fixing plates; when the quick-change electric package switching structure is matched with the fixed bracket structure for use, the lower surface of the bottom of the main body frame structure is contacted with the bottom roller component, the side beam component is matched with the locking mechanism and the locking mechanism fixed plate, and the frame guide sleeve is matched with the buffer pin component.

Preferably, the bottom frame is a rectangular frame formed by welding square pipes.

Compared with the prior art, the invention has the following beneficial effects:

(1) the buffer pin assembly is arranged, the impact of inertia of the quick-change electric package switching structure on the fixed bracket structure when the quick-change electric package switching structure is installed can be effectively reduced, and meanwhile, the buffer pin assembly can be matched with a frame guide sleeve on the quick-change electric package switching structure to play a guiding role.

(2) The floating nut is arranged in the side cross beam assembly, and can realize slight displacement in the side cross beam assembly, so that the floating nut can be matched with the fixed bracket structure to be installed under the condition that the size of the quick-change electric package switching structure is deviated, the stability of the whole structure is effectively guaranteed, and the falling-off phenomenon is avoided.

(3) The side guide roller assemblies, the bottom guide roller assemblies and the side pre-guide bent plates play a role in guiding a quick-change electric package switching structure, when the quick-change electric package switching structure needs to be installed on a fixed bracket structure, the side pre-guide bent plates firstly play a primary role in guiding the quick-change electric package switching structure, so that the quick-change electric package switching structure can accurately enter the upper part of the fixed bracket structure, when the quick-change electric package switching structure enters the fixed bracket structure, the side guide roller assemblies and the bottom guide roller assemblies play a role in guiding the quick-change electric package switching structure and rapidly enter the inside of the fixed bracket structure under the driving of the side pre-guide roller assemblies and the bottom pre-guide roller assemblies, and meanwhile, under the action of the buffer pin assemblies, impact force caused by impact is reduced, so that the quick-change electric package switching structure can be quickly and accurately installed inside the fixed bracket structure.

Drawings

FIG. 1 is an overall structural view of the vehicle-mounted battery swapping device of the present invention;

fig. 2 is a front view of a quick-change power pack switching structure of the vehicle-mounted power change device;

fig. 3 is a top view of a quick-change power pack switching structure of the vehicle-mounted power switching device according to the present invention;

FIG. 4 is a front view of a fixing bracket structure of the vehicle-mounted battery replacing device;

FIG. 5 is a top view of a fixing bracket structure of the vehicle-mounted battery replacing device according to the present invention;

FIG. 6 is a cross-sectional view of a side cross member assembly of the vehicle power swapping device of the present invention;

fig. 7 is an overall structural schematic diagram of the cushion pin assembly of the vehicle-mounted battery replacement device.

Some of the drawings are illustrated below:

1-quick-change electric package switching structure, 2-fixed bracket structure, 3-connecting arm, 4-bracket frame component, 5-side guide roller component, 6-bottom guide roller component, 7-floating nut, 8-buffer pin component, 9-bottom frame, 10-rear upright post component, 11-dustproof baffle, 12-side pre-guide bent plate, 13-side beam component, 14-U-shaped bent frame plate, 15-buffer pin mounting plate, 16-connector socket fixed frame plate, 17-locking mechanism, 18-locking mechanism fixed plate, 19-high-pressure junction box component, 20-frame guide sleeve, 21-switching frame structure, 22-shell, 23-guide pin, 24-supporting column, 25-L-shaped bracket, 25-dust-proof baffle, 23-side pre-guide bent plate, 14-side beam component, 14-U-shaped bent frame plate, 15-buffer pin mounting plate, 16-connector socket fixed frame plate, 17-locking mechanism, 18-locking mechanism fixed plate, 19-high-pressure junction box component, 20-frame guide sleeve, 21-switching frame structure, 22-shell, 23-guide pin, 24-supporting column, 25-L-shaped bracket, and the like, 26-connecting hole, 27-spring, 28-split pin, 29-buffer spring, 30-buffer pin, 31-buffer guide sleeve, 33-slotted nut and 34-battery pack.

Detailed Description

Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The invention provides a vehicle-mounted battery replacing device, which comprises a battery pack 34, a quick-change battery pack switching structure 1 and a fixed bracket structure 2, wherein the quick-change battery pack switching structure 1 is connected with the fixed bracket structure 2 through a floating nut component and a buffer pin component 8; the battery pack 34 is fixed on the quick-change electric pack switching structure 1 and is connected with the high-voltage junction box assembly 19 through a wire harness; the two fixed bracket structures 2 are respectively and symmetrically fixed on two sides of a beam of the vehicle body, and the middle of the fixed bracket structures is reinforced and supported through the connecting arm 3.

The fixed bracket structure 2 comprises a bracket frame component 4, a side guide roller component 5 and a bottom guide roller component 6, wherein the bracket frame component 4 comprises a bottom frame 9, a rear upright post component 10, a dustproof baffle plate 11, a side pre-guide bent plate 12 and a side beam component 13; the bottom frame 9 is a rectangular frame formed by welding square pipes, the square pipes on two sides of the rectangular frame are provided with welding nuts for mounting the lateral guide roller assemblies 5, the bottom frame 9 is longitudinally welded with a plurality of U-shaped bent frame plates 14, a plurality of bottom guide roller assemblies 6 are arranged above the U-shaped bent frame plates 14, and the U-shaped bent frame plates 14 are used for fixing the bottom guide roller assemblies 6 and enhancing the overall structural strength; the rear upright post is arranged on one side of the rectangular frame, and the rear upright post assembly 10 comprises four vehicle end fixing upright posts, a buffer pin mounting plate 15 and a connector socket fixing frame plate 16; the four vehicle end fixing upright columns are arranged side by side and form a first space, a second space and a third space; the first space and the third space are internally provided with a buffer pin mounting plate 15, and the second space is internally provided with a connector socket fixing frame plate 16; the two ends of the buffer pin mounting plate 15 are respectively welded on the side walls of the two vehicle end fixing upright columns, the two sides of the connector socket fixing frame plate 16 are respectively connected with the side walls of the two vehicle end fixing upright columns in the second space, and one ends of the four vehicle end fixing upright columns are connected with the bottom frame 9.

The side beam assembly 13 is arranged in a space between the dustproof baffle 11 and the quick-change electric package switching structure 1, a floating nut 7 is arranged inside the side beam assembly 13, the side beam assembly 13 comprises a shell 22, a guide pin 23, a support column 24 and an L-shaped support 25, the support column 24 and the L-shaped support 25 are both arranged inside the shell 22, the outside of one side of the shell 22 is fixedly connected with the guide pin 23, a connecting hole 26 is formed in the outer side wall below the guide pin 23, the shell 22 effectively prevents dust, water stain and the like in the running process of a vehicle from entering and influencing the service life of the mechanism, and meanwhile, the floating nut 7 is convenient to maintain and replace; the L-shaped support 25 is fixedly connected with the inside of the shell 22, the support column 24 is arranged on the L-shaped support 25, the support column 24 is parallel to the connecting hole 26, the support column 24 is provided with a spring 27, the first end of the floating nut 7 is connected with the spring 27, and the second end of the floating nut 7 is in contact with the connecting hole 26; the buffer pin component 8 is arranged on the buffer pin mounting plate 15, the first end of the buffer pin component 8 is sleeved on the buffer pin mounting plate 15, and the second end of the buffer pin component 8 is in contact with the quick-change electric packet switching structure 1.

The L-shaped support 25 is a bending piece, and round holes are respectively formed in two bending edges and are respectively used for fixing the support columns 24.

The support column 24 is a cylindrical structure, a stepped shaft is arranged on one end face of the support column, the stepped shaft is inserted into a round hole of the L-shaped support 25 and fixedly connected with the round hole, and a round hole is formed in the middle of the support column 24.

The floating nut 7 is a square nut and is placed between the spring 27 and the shell 22, the front end of the square nut is provided with a horn mouth structure so that the bolt can be inserted from the side face, the position of the square nut is fixed, the rear portion of the square nut is provided with a step round hole so that the spring 27 can be inserted into the support, and the inner thread is arranged at the position close to the connecting hole 26 and used for being fixedly connected with the locking mechanism.

The spring 27 is sleeved on the supporting column 24, one end of the spring props against the inner side of the vertical face of the L-shaped support 25, the other end of the spring props against the vertical face of the nut step, the spring is in a compressed state, and the floating nut component is installed inside the side beam component 13 and is used for being matched and locked with the locking mechanism.

Buffering round pin subassembly 8 includes split pin 28, buffer spring 29, buffering uide bushing 31 and buffer pin 30, the first end of buffering round pin 30 contacts with quick change electricity package switching structure 1, the second end and the split pin 28 of buffering round pin 30 are connected, the outside that buffering round pin 30 and spliced pole are connected is established to buffering round pin 30 ways, buffer spring 29 cover is established in the outside of buffering round pin 30, buffer spring 29's first end and buffering uide bushing 31 fixed connection, spring 27's second end contacts with the lateral wall of buffering round pin mounting panel 15, be provided with slotted nut 33 on the split pin 28, slotted nut 33 plays the limiting displacement of buffering round pin subassembly 8.

The buffer pin 30 is of a cylindrical structure, the front end of the buffer pin is provided with a conical chamfer for guiding and positioning, the middle part of the buffer pin is provided with a limiting boss for limiting the guiding stroke, and the rear part of the buffer pin is provided with an external thread for being matched with the slotted nut 33 to be fixed on the buffer pin mounting plate 15.

The split pin 28 is matched with the slotted nut 33 for looseness prevention, the buffer guide sleeve 31 is of a cylindrical shaft sleeve structure and is arranged between the limiting boss and the buffer spring 29, and the buffer pin assembly 8 is matched with the frame guide sleeve 20 and is used for guiding and buffering when the battery pack 34 switching structure is to be pushed to the right position.

The lateral guide roller assemblies 5 are symmetrically arranged at two sides of the bracket frame and used for guiding and positioning the battery pack 34 transferring structure in the left and right directions in the process of pushing the battery pack 34 transferring structure into the fixed bracket structure 2; the bottom guide roller assemblies 6 are symmetrically arranged at the bottom of the bracket frame, so that the battery pack 34 switching structure can be pushed and pulled conveniently in the battery replacement process.

The dustproof baffles 11 are symmetrically welded on two sides of the bottom frame 9 and are used for reinforcing the integral structure and shielding dust and sewage brought by the running vehicle; the lateral pre-guiding bent plates 12 are symmetrically welded on the two side dust-proof baffles 11, and the whole body of the lateral pre-guiding bent plates is in a bell mouth shape and has the functions of preliminary guiding and positioning.

The quick-change electric package switching structure 1 comprises a switching frame structure 21, a high-voltage junction box assembly 19, a locking mechanism 17 and a frame guide sleeve 20; the first side of the adapting frame structure 21 is contacted with the connector socket fixing frame plate 16, and the second and third sides of the adapting frame are kept in a parallel state with the dustproof baffle plate 11; the high-voltage junction box assembly 19 and the frame guide sleeves 20 are arranged on the first side of the switching frame structure 21, the two frame guide sleeves 20 are respectively arranged on the first sides of the switching frame structure 21 on the two sides of the high-voltage junction box assembly 19, the frame guide sleeves 20 are cylindrical structures, round holes are formed in the middles of the frame guide sleeves, and the frame guide sleeves 20 are matched with the buffer pin assemblies 8 and used for buffering and positioning when the quick-change wire pack switching structure 1 is pushed in place; two locking mechanisms are provided on the second and third sides of the adaptor frame.

The adapting frame structure 21 comprises a main body frame structure and a locking mechanism fixing plate 18; the bottom of the main frame structure is provided with a nut for connecting the battery pack 34; locking mechanism fixed plate 18 sets up the both sides at the main part frame construction, and locking mechanism 17 sets up on locking mechanism fixed plate 18, and locking mechanism fixed plate 18 lower part is opened has diagonal round hole for fixed locking mechanism, and locking mechanism fixed plate 18 upper portion is opened has the round hole for with the uide pin 23 cooperation, lead just and the location battery box, guarantee locking mechanism bolt and nut fine positioning, frame uide bushing 20 and buffer round pin subassembly 8 cooperate.

The locking mechanism is a patent publication and has a self-locking function, and the battery replacing equipment can realize the battery replacing action by fastening/loosening the locking mechanisms on the two sides and pushing and pulling a vertical column at the front part of the battery pack 34 switching structure.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims (7)

1. The utility model provides a on-vehicle electric installation that trades which characterized in that: the quick-change electric package switching structure is connected with the fixed bracket structure through a floating nut component and a buffer pin component;

the fixed bracket structure comprises a bracket frame assembly, a side guide roller assembly and a bottom guide roller assembly, wherein the bracket frame assembly comprises a bottom frame, a rear upright post assembly, a dustproof baffle, a side pre-guide bent plate and a side beam assembly;

welding nuts used for installing the lateral guide roller assemblies are arranged on two sides of the bottom frame, a plurality of U-shaped bent frame plates are arranged on the bottom frame, and a plurality of bottom guide roller assemblies are arranged above the U-shaped bent frame plates;

the rear upright post assembly is arranged on one side of the rectangular frame and comprises four vehicle end fixing upright posts, a buffer pin mounting plate and a connector socket fixing frame plate; the four vehicle end fixing upright columns are arranged side by side and form a first space, a second space and a third space among each other; the first space and the third space are internally provided with the buffer pin mounting plates, and the second space is internally provided with the connector socket fixing frame plate; two ends of the buffer pin mounting plate are respectively fixed on the side walls of two adjacent vehicle end fixing upright columns, two sides of the connector socket fixing frame plate are respectively connected with the side walls of the vehicle end fixing upright columns on two sides of the second space, and the bottoms of the four vehicle end fixing upright columns are connected with the bottom frame;

the side beam assembly is arranged in a space between the dustproof baffle and the quick-change electric package switching structure, the floating nut is arranged inside the side beam assembly, the side beam assembly comprises a shell, a guide pin, a support column and an L-shaped support, the support column and the L-shaped support are both arranged inside the shell, the outside of one side of the shell is fixedly connected with the guide pin, and a connecting hole is formed in the outer side of the side wall of the shell below the guide pin; the L-shaped support is fixedly connected with the inside of the shell, the supporting column is arranged on the L-shaped support, the supporting column and the connecting hole are in a parallel state, a spring is arranged on the supporting column, a first end of the floating nut is connected with the spring, and a second end of the floating nut is in contact with the connecting hole;

the buffer pin assembly is arranged on the buffer pin mounting plate, the first end of the buffer pin assembly is sleeved on the buffer pin mounting plate, and the second end of the buffer pin assembly is contacted with the quick-change electric package switching structure; buffer round pin subassembly includes split pin, buffer spring, buffering uide bushing and buffering round pin, the first end of buffering round pin with quick change electricity package switching structure contacts, the second end of buffering round pin with split pin connects, the outside cover of buffering round pin is equipped with the buffering round pin, the buffer spring overlaps and establishes the lateral wall outside of buffering round pin, buffer spring's first end with buffering uide bushing fixed connection, the second end of spring with the lateral wall of buffering round pin mounting panel contacts.

2. The vehicle-mounted battery replacement device according to claim 1, characterized in that: the side guide roller assemblies are symmetrically arranged at two sides of the bracket frame; the bottom guide roller assemblies are symmetrically arranged at the bottom of the bracket frame.

3. The vehicle-mounted battery replacement device according to claim 2, characterized in that: the dustproof baffles are symmetrically welded on two sides of the bottom frame; the lateral pre-guiding bent plates are symmetrically welded on two sides of the dustproof baffle, and the lateral pre-guiding bent plates are integrally in a horn mouth shape and have a guiding and positioning effect.

4. The vehicle-mounted battery replacement device according to claim 3, characterized in that: a slotted nut is arranged on the split pin and used for limiting displacement of the buffer pin assembly.

5. The vehicle-mounted battery replacement device according to claim 1, characterized in that: the quick-change electric package switching structure comprises a switching frame structure, a high-voltage junction box assembly, a locking mechanism and a frame guide sleeve; the first side of the adapter frame structure is in contact with the connector socket fixing frame plate, and the second side and the third side of the adapter frame structure are parallel to the dustproof baffle plate; the high-voltage junction box assembly and the frame guide sleeves are arranged on a first side of the switching frame structure, and the two frame guide sleeves are respectively arranged on the first sides of the switching frame structure on two sides of the high-voltage junction box assembly; the two locking mechanisms are respectively arranged on the second side and the third side of the adapting frame.

6. The vehicle-mounted battery replacement device according to claim 5, characterized in that: the switching frame structure comprises a main body frame structure and a locking mechanism fixing plate; the bottom of the main body frame structure is provided with a nut for connecting a battery pack; the locking mechanism fixing plates are arranged on two sides of the main body frame structure, and the locking mechanisms are arranged on the locking mechanism fixing plates; when the quick-change electric package switching structure is matched with the fixed bracket structure for use, the lower surface of the bottom of the main body frame structure is contacted with the bottom roller component, the side beam component is matched with the locking mechanism and the locking mechanism fixed plate, and the frame guide sleeve is matched with the buffer pin component.

7. The vehicle-mounted battery replacement device according to claim 1, characterized in that: the bottom frame is a rectangular frame formed by welding square pipes.

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