Bottom-arranged truck power battery bearing device and battery mounting equipment thereof

Abstract

The invention discloses a truck power battery bearing device arranged at the bottom and battery mounting equipment thereof, and belongs to the related field of battery mounting technology.The truck power battery bearing device comprises an inner frame body and a bearing box, the inner frame body is fixedly mounted on the inner side of the bearing box, and one end of the inner frame body and one end of the bearing box are each of a U-shaped structure; a plurality of battery packs are arranged in the inner frame body, the two ends of the inner frame body and the two ends of the battery packs are connected and fixed through butt-joint clamping bases, buffer frames are installed on the outer sides of the butt-joint clamping bases, the butt-joint clamping bases and the inner frame body are elastically connected through the buffer frames, and elastic pieces are movably installed on the peripheries of the buffer frames; air inlet covers are fixedly mounted on the outer surfaces of the two sides of the bearing box, and exhaust grooves are formed in the rear ends of the bearing box and the inner frame body; a conventional truck battery installation structure is replaced, the battery pack is installed in the middle and on the two sides of the frame in an underneath type installation mode, and meanwhile the problem of battery replacement of the battery pack at the bottom of the truck is solved.

Description

Technical Field

[0001] The present invention belongs to the field related to battery installation technology, and more specifically to a bottom-arranged truck power battery carrying device and battery installation equipment thereof. Background Art

[0002] The bottom-arranged truck power battery carrier is a device installed on the bottom of a new energy truck to fix the battery structure. It adopts a combined structure installation and is suitable for traditional truck structures. It replaces the traditional battery installation structure and can effectively increase the number of battery installations.

[0003] The patent document with the announcement number CN112310527B records a battery box shell for new energy vehicles, which relates to the technical field of new energy battery box shells and solves the problem of existing battery box shells that the dust accumulated on the top of the battery pack needs to be manually swept and cleaned when the battery pack is extracted for maintenance and replacement, which is troublesome and laborious. A battery box shell for new energy vehicles includes a box shell body, the box shell body includes a box door, a cover plate and a vertical support positioning rod. The box shell body is a rectangular structure as a whole, which is locked and installed on the axle on the back of the semi-trailer truck cab. A rectangular box door is rotated and locked on the right side wall, and two cover plates are symmetrically locked and sealed on the two drawer openings on the left side wall of the box shell body; four vertical support positioning rods are symmetrically welded on the front and rear inner walls of the box shell body; through the L-shaped support rod, the upper support frame can use the bumpy impact force of the road to drive the metal filter to slide back and forth up and down for cleaning, eliminating the trouble of frequent manual cleaning.

[0004] The above-mentioned battery box shell has certain shortcomings during installation and use. The traditional battery installation structure generally installs the battery behind the truck's cab, so that the entire battery is placed on the frame, occupying the truck's own loading space. In addition, the number of battery devices is limited, and the vehicle space cannot be fully utilized. At the same time, it does not have a buffer protection structure. When the truck is driving on a bumpy road, it is affected by the weight of the battery pack itself, making it prone to vibration damage, and the heat dissipation effect is poor, which makes the battery overheating prone to occur. Summary of the Invention

[0005] The purpose of the present invention is to provide a truck power battery carrying device arranged at the bottom and a battery installation device thereof, which can solve the existing problems.

[0006] The problems solved by the present invention are: 1. The traditional battery installation structure generally installs the battery behind the truck's cab, placing the entire battery on the frame, occupying the truck's own loading space. The number of battery devices is limited, and the vehicle space cannot be fully utilized. At the same time, there is no buffer protection structure. When the truck is driving on bumpy roads, it is affected by the weight of the battery pack itself, making it prone to vibration damage. The heat dissipation effect is poor, and the battery is prone to overheating.

[0007] The purpose of the present invention can be achieved through the following technical solutions: A bottom-arranged truck power battery carrying device includes an inner frame and a carrying box, the inner frame is fixedly mounted on the inner side of the carrying box, one end of the inner frame and the carrying box are both concave-shaped structures, a plurality of battery packs are arranged inside the inner frame, the two ends of the inner frame and the battery pack are connected and fixed by a docking card seat, a buffer frame is installed on the outside of the docking card seat, the buffer frame is elastically connected between the docking card seat and the inner frame, elastic parts are movably mounted around the buffer frame, air intake hoods are fixedly mounted on the outer surfaces of both sides of the carrying box, exhaust grooves are provided at the rear ends of the carrying box and the inner frame, and air intake grooves are provided on the sides of the inner frame for use with the air intake hoods.

[0008] As a further technical solution of the present invention, the middle part of the carrying box is provided with an installation groove for docking with the truck frame, the middle part of the docking card seat is provided with a concave groove, and telescopic clamps are movably installed on both sides of the docking card seat. Both ends of the battery pack are provided with docking card slots for cooperating with the telescopic clamps. The docking card seat and the telescopic clamp head are driven by an electric push rod, so that the telescopic clamp head can be telescopically moved. When the battery pack is installed between the two sets of docking card seats, the telescopic clamp head is driven by the electric push rod to extend the telescopic clamp head from the docking card seat, and the telescopic clamp head is inserted into the two ends of the battery pack to complete the electrical connection of the battery pack, and at the same time fix the battery pack inside the carrying box. The carrying box and the inner frame both adopt a concave structure design, so that several sets of battery packs can be installed inside the carrying box and the inner frame, making full use of the space at the bottom and both sides of the truck to improve its endurance.

[0009] As a further technical solution of the present invention, the buffer frame is a rectangular frame structure as a whole. The side of the buffer frame is provided with an elastic slide groove used in conjunction with the elastic member, and the inner side of the buffer frame is provided with a vertical card slot. By utilizing the arrangement of multiple groups of elastic members, the buffer frame forms a multi-directional buffer structure inside the inner frame, which plays a buffering and protective role for the battery pack installed in the inner frame.

[0010] As a further technical solution of the present invention, the elastic part includes a vertical sliding sleeve and a fixed base. The vertical sliding sleeve is movably installed on one side of the fixed base, and the vertical sliding sleeve and the fixed base are elastically connected through an elastic column. By utilizing the setting of the elastic column, a transverse elastic buffer structure is provided between the vertical sliding sleeve and the fixed base. The setting of four groups of elastic parts, combined with the use of elastic sliding grooves on the side of the buffer frame, allows the buffer frame to be adjusted for buffering in any direction according to the direction of external force.

[0011] As a further technical solution of the present invention, a vertical slide is movably installed on one side of the vertical slide, and the vertical slide is elastically connected to the vertical slide by a spring. A docking slider for docking with the elastic slide groove is fixedly installed in the middle position of the outer surface of the vertical slide. The spring is used to make the vertical slide and the vertical slide have a vertical buffer structure. During the driving of the truck, the battery pack can perform corresponding vertical buffering under the action of the vertical slide according to the bumpy force of the truck.

[0012] As a further technical solution of the present invention, the air intake hood and the carrying box are docked and fixed by a mounting plate. The side of the air intake hood is an arc-shaped or sloped structure, and a heat dissipation gap is provided between several groups of buffer frames. During the driving of the truck, the air intake hood can be used to introduce external air into the interior of the inner frame, and the heat dissipation gap between the buffer frames can be used to avoid contact between the two groups of battery packs, so that a good heat dissipation space is maintained between the two groups of battery packs. The air intake hood with an arc-shaped or sloped structure can increase the gas flow rate after the gas enters, so that the air flows quickly between the battery packs and is discharged through the exhaust slot at the rear end of the carrying box, thereby playing a heat dissipation role for the battery pack when it is in use.

[0013] As a further technical solution of the present invention, a filter pad is installed inside the air intake hood. The air intake hood and the filter pad are fixed together by a docking card frame. The filter pad can be used to filter the gas inhaled into the air intake hood. The setting of the docking card frame can facilitate the replacement of the filter pad.

[0014] As a further technical solution of the present invention, it includes a sliding base and a lifting pallet, the lifting pallet is movably installed on the upper part of the sliding base, and the sliding base and the lifting pallet are movably connected by a scissors-type lift. The scissors-type lift can be used to drive the lifting pallet to move up and down, and the installation height of the battery pack can be adjusted by the lifting pallet.

[0015] As a further technical solution of the present invention, positioning buckles for fixing the battery pack are provided on both sides of the lifting pallet, and a guide block for use with the concave groove is provided in the middle of the lifting pallet. The setting of the guide block and the positioning buckle can play a positioning role in the installation of the battery pack. When the lifting pallet moves up, the guide block of the lifting pallet is inserted into the concave groove, so that the battery pack on the lifting pallet is placed in the middle position of the two sets of docking sockets. The setting of the vertical slot can dock with the positioning buckle when the lifting pallet moves up, so that the battery pack is accurately placed on the inner side of the buffer frame.

[0016] As a further technical solution of the present invention, a sliding base plate is provided at the bottom of the sliding base, and a limiting slide groove is provided at the upper end of the sliding base for use with the sliding base. The sliding base is driven by an electric caster structure, so that the sliding base can be moved along the limiting slide groove at the upper end of the sliding base plate to adjust the installation position of the battery pack.

[0017] Beneficial effects of the present invention: 1. By setting up a carrying box and a sliding base, the truck power battery carrying device arranged at the bottom replaces the conventional truck battery installation structure and adopts a bottom-mounted installation method to install the battery pack in the middle and both sides of the frame, while solving the problem of battery replacement at the bottom of the truck; During operation, the carrying box and the inner frame both adopt a concave structure design, so that the middle part of the carrying box can be installed at the bottom position of the frame, and the mounting groove is used in conjunction with the bolt structure to complete the fixing operation of the carrying box and the frame. The concave structure design allows several groups of battery packs to be installed inside the inner frame, and the battery packs are placed in the lower part and on both sides of the truck workshop, making full use of the bottom and both sides of the truck to improve its endurance. During the installation operation, the battery pack is lifted up by using two sets of lifting plates on the sliding base, and the lifting plates can be driven up and down by a scissor-type lift. The installation height of the battery pack can be adjusted by the lifting plates, and the guide block and the positioning buckle can be used to position the installation of the battery pack. When the lifting plate moves up When the lifting tray is moved up and down, the guide block of the lifting tray is inserted into the concave groove, so that the battery pack on the lifting tray is placed in the middle position of the two sets of docking sockets. The setting of the vertical slot can dock with the positioning buckle when the lifting tray moves up and down, so that the battery pack is accurately placed on the inner side of the buffer frame. Because the docking socket and the telescopic clamp are driven by an electric push rod, the telescopic clamp can be telescopically moved. When the battery pack is installed between the two sets of docking sockets, the telescopic clamp is driven by the electric push rod to extend the telescopic clamp from the docking socket, so that the telescopic clamp is inserted into the two ends of the battery pack, completing the electrical connection of the battery pack and fixing the battery pack inside the carrying box. The installation position and height of the battery pack can be adjusted by sliding the base to meet the installation operation of different numbers of battery packs.

[0018] 2. By providing a buffer frame, when the truck power battery carrier device arranged at the bottom is used, the bottom battery device structure is optimized, so that it has a multi-directional buffer structure and improves the safety of the battery structure; During use, the battery pack is installed on the inner side of the buffer frame, and the buffer frame is installed on the inner side of the inner frame, which plays a buffering and protective role for multiple battery packs installed in the carrying box. The buffer frame realizes multi-directional buffering adjustment through the setting of four groups of elastic parts. The elastic parts use the setting of elastic columns to provide a transverse elastic buffering structure between the vertical sliding sleeve and the fixed base. The setting of four groups of elastic parts, combined with the use of elastic slide grooves on the sides of the buffer frame, allows the buffer frame to make buffering adjustments in any direction according to the direction of external force. Secondly, the spring is used to make the vertical sliding sleeve and the vertical slide have a vertical buffering structure. During the driving of the truck, according to the bumping force of the truck, the battery pack can perform corresponding vertical buffering under the action of the vertical slide, so that the battery pack installed in the buffer frame can be buffered in any direction to avoid damage to the battery pack.

[0019] 3. By providing an air intake cover, the truck power battery carrier arranged at the bottom has an auxiliary heat dissipation structure when in use, optimizing the heat dissipation effect of multiple battery packs in the carrier box; During operation, because there are heat dissipation gaps between several groups of buffer frames, the battery packs installed therein maintain a certain heat dissipation space. During the driving of the truck, the air intake hood can be used to introduce external air into the interior of the inner frame, and the heat dissipation gaps between the buffer frames can be used to avoid contact between the two groups of battery packs, so that a good heat dissipation space is maintained between the two groups of battery packs. The air intake hood with an arc-shaped or inclined structure can increase the gas flow rate after the gas enters, so that the air flows quickly between the battery packs and is discharged through the exhaust slot at the rear end of the carrying box, which plays a heat dissipation role for the battery pack when it is in use. The filter pad can be used to filter the gas inhaled into the air intake hood, and the filter pad can be easily replaced by the setting of the docking card frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of a truck power battery carrying device arranged at the bottom of the present invention; Figure 2 This is a diagram showing the internal structure of a buffer frame in a bottom-mounted truck power battery carrying device according to the present invention; Figure 3 This is a diagram showing the overall structure of a battery pack in a bottom-mounted truck power battery carrying device according to the present invention; Figure 4 This is a planar structural diagram of a carrying box in a bottom-arranged truck power battery carrying device according to the present invention; Figure 5 This is an overall structural diagram of an elastic member in a bottom-arranged truck power battery carrying device of the present invention; Figure 6 This is a diagram showing the internal structure of an air intake hood in a bottom-mounted truck power battery carrying device according to the present invention; Figure 7 This is a planar structural diagram of a battery installation device for a truck power battery carrier arranged at the bottom of the present invention; Figure 8 This is a state change diagram of a battery installation device in a bottom-arranged truck power battery carrying device of the present invention when in use.

[0022] In the figure: 1. Inner frame; 2. Air intake hood; 3. Carrying box; 4. Mounting slot; 5. Battery pack; 6. Docking card seat; 7. Elastic member; 8. Buffer frame; 9. Telescopic card head; 10. Docking card slot; 11. Elastic column; 12. Spring; 13. Docking slider; 14. Vertical sliding sleeve; 15. Vertical sliding seat; 16. Mounting plate; 17. Filter pad; 18. Docking card frame; 19. Sliding bottom plate; 20. Sliding base; 21. Scissor lift; 22. Lifting support plate; 23. Guide block; 24. Limiting slide; 25. Positioning buckle; 26. Fixed base; 27. Elastic slide; 28. Concave groove; 29. Vertical card slot. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-8 As shown, a truck power battery carrying device with a bottom arrangement includes an inner frame 1 and a carrying box 3. The inner frame 1 is fixedly mounted on the inner side of the carrying box 3. One end of the inner frame 1 and the carrying box 3 are both concave-shaped structures. Several groups of battery packs 5 are arranged inside the inner frame 1. The two ends of the inner frame 1 and the battery pack 5 are connected and fixed by a docking card seat 6. A buffer frame 8 is installed on the outside of the docking card seat 6. The buffer frame 8 is elastically connected between the docking card seat 6 and the inner frame 1. Elastic parts 7 are movably installed around the buffer frame 8. Air intake hoods 2 are fixedly mounted on the outer surfaces of both sides of the carrying box 3. Exhaust grooves are provided at the rear ends of the carrying box 3 and the inner frame 1. The side of the inner frame 1 is provided with an air intake groove for use with the air intake hood 2.

[0025] The middle part of the carrying box 3 is provided with a mounting slot 4 for docking with the truck frame, and the middle part of the docking card seat 6 is provided with a concave groove 28. Telescopic clamps 9 are movably installed on both sides of the docking card seat 6, and both ends of the battery pack 5 are provided with docking card slots 10 for cooperating with the telescopic clamp heads 9. The docking card seat 6 and the telescopic clamp head 9 are driven by an electric push rod, so that the telescopic clamp head 9 can be telescopically moved. When the battery pack 5 is installed between the two groups of docking card seats 6, the telescopic clamp head 9 is driven by the electric push rod so that the telescopic clamp head 9 extends from the docking card seat 6 and is inserted into the two ends of the battery pack 5 to complete the electrical connection of the battery pack 5 and fix the battery pack 5 inside the carrying box 3. The carrying box 3 and the inner frame 1 both adopt a concave structure design, so that several groups of battery packs 5 can be installed inside the carrying box 3 and the inner frame 1, making full use of the space at the bottom and both sides of the truck to improve its endurance.

[0026] To solve the buffering problem of truck battery structure, such as Figure 2 As shown, the buffer frame 8 is a rectangular frame structure as a whole. The side of the buffer frame 8 is provided with an elastic slide groove 27 used in conjunction with the elastic member 7. The inner side of the buffer frame 8 is provided with a vertical card slot 29. By utilizing the arrangement of multiple groups of elastic members 7, the buffer frame 8 forms a multi-directional buffer structure inside the inner frame 1, which plays a buffering and protective role for the battery pack 5 installed in the inner frame 1.

[0027] like Figure 5 As shown, the elastic member 7 includes a vertical sliding sleeve 14 and a fixed base 26. The vertical sliding sleeve 14 is movably mounted on one side of the fixed base 26, and the vertical sliding sleeve 14 and the fixed base 26 are elastically connected through an elastic column 11. By utilizing the setting of the elastic column 11, a transverse elastic buffer structure is provided between the vertical sliding sleeve 14 and the fixed base 26. The setting of four groups of elastic members 7, combined with the use of the elastic slide grooves 27 on the sides of the buffer frame 8, allows the buffer frame 8 to be adjusted for buffering in any direction according to the direction of external force.

[0028] A vertical slide 15 is movably installed on one side of the vertical sleeve 14. The vertical sleeve 14 and the vertical slide 15 are elastically connected by a spring 12. A docking slider 13 for docking with the elastic slide groove 27 is fixedly installed in the middle position of the outer surface of the vertical sleeve 14. The spring 12 is used to make the vertical sleeve 14 and the vertical slide 15 have a vertical buffer structure. During the driving of the truck, according to the bumpy force of the truck, the battery pack 5 can perform corresponding vertical buffering under the action of the vertical slide 15.

[0029] The air intake hood 2 and the carrying box 3 are docked and fixed by a mounting plate 16. The side of the air intake hood 2 is an arc-shaped or sloped structure, and a heat dissipation gap is provided between several groups of buffer frames 8. During the driving of the truck, the air intake hood 2 can be used to introduce external air into the interior of the inner frame 1, and the heat dissipation gap between the buffer frames 8 can be used to avoid contact between the two groups of battery packs 5, so that a good heat dissipation space is maintained between the two groups of battery packs 5. The air intake hood 2 with an arc-shaped or sloped structure can increase the gas flow rate after the gas enters, so that the air flows quickly between the battery packs 5 and is discharged through the exhaust slot at the rear end of the carrying box 3, which plays a heat dissipation role when the battery pack 5 is in use.

[0030] To solve the heat dissipation problem of multiple battery structures, such as Figure 6 As shown, a filter pad 17 is installed inside the air intake hood 2. The air intake hood 2 and the filter pad 17 are fixed together by a docking card frame 18. The filter pad 17 can be used to filter the gas inhaled into the air intake hood 2. The setting of the docking card frame 18 can facilitate the replacement operation of the filter pad 17.

[0031] A battery installation device for a truck power battery carrier includes a sliding base 20 and a lifting pallet 22. The lifting pallet 22 is movably installed on the upper part of the sliding base 20, and the sliding base 20 and the lifting pallet 22 are movably connected by a scissor-type lift 21. The scissor-type lift 21 can be used to drive the lifting pallet 22 to move up and down, and the installation height of the battery pack 5 can be adjusted by the lifting pallet 22.

[0032] Both sides of the lifting tray 22 are provided with positioning buckles 25 for fixing the battery pack 5, and the middle part of the lifting tray 22 is provided with a guide block 23 used in conjunction with the concave groove 28. The setting of the guide block 23 and the positioning buckle 25 can play a positioning role in the installation of the battery pack 5. When the lifting tray 22 moves up, the guide block 23 of the lifting tray 22 is inserted into the concave groove 28, so that the battery pack 5 on the lifting tray 22 is placed in the middle position of the two sets of docking sockets 6. The setting of the vertical slot 29 can dock with the positioning buckle 25 when the lifting tray 22 moves up, so that the battery pack 5 is accurately placed on the inner side of the buffer frame 8.

[0033] A sliding base plate 19 is provided at the bottom of the sliding base 20, and a limiting slide groove 24 is provided at the upper end of the sliding base plate 19 for use with the sliding base 20. The sliding base 20 is driven by an electric caster structure, so that the sliding base 20 can be moved along the limiting slide groove 24 at the upper end of the sliding base plate 19 to adjust the installation position of the battery pack 5.

[0034] When in use, the traditional battery installation structure generally installs the battery behind the truck's cab, placing the entire battery on the frame, occupying the truck's own loading space. The number of battery devices is limited, and the vehicle space cannot be fully utilized. At the same time, there is no buffer protection structure. When the truck travels on bumpy roads, the weight of the battery pack 5 itself affects it, making it prone to vibration damage. The heat dissipation effect is poor, and the battery is prone to overheating. To this end, by providing a carrying box 3 and a sliding base 20, when the truck power battery carrying device arranged at the bottom is used, it replaces the conventional truck battery installation structure and adopts a bottom installation method to install the battery pack 5 in the middle and both sides of the frame, while solving the problem of battery replacement of the battery pack 5 at the bottom of the truck; During operation, the carrying box 3 and the inner frame 1 are both designed with a concave structure, so that the middle part of the carrying box 3 can be installed at the bottom position of the frame, and the fixing operation of the carrying box 3 and the frame is completed by using the installation groove 4 in conjunction with the bolt structure. The design of the concave structure allows several groups of battery packs 5 to be installed inside the inner frame 1, and the battery packs 5 are placed at the lower part and both sides of the truck workshop, making full use of the bottom and both sides of the truck to improve its endurance. During the installation operation, the battery pack 5 is lifted up by the two groups of lifting plates 22 on the sliding base 20, and the lifting plates 22 can be driven up and down by the scissor-type lift 21. The installation height of the battery pack 5 can be adjusted by the lifting plates 22, and the setting of the guide block 23 and the positioning buckle 25 can be used to position the installation of the battery pack 5. When the lifting plates 22 move up, the lifting The guide block 23 of the support plate 22 is inserted into the concave groove 28, so that the battery pack 5 on the lifting support plate 22 is placed in the middle position of the two groups of docking card seats 6. The setting of the vertical card slot 29 can dock the positioning buckle 25 when the lifting support plate 22 moves up, so that the battery pack 5 is accurately placed on the inner side of the buffer frame 8. Because the docking card seat 6 and the telescopic card head 9 are driven by an electric push rod, the telescopic card head 9 can be telescopically moved. When the battery pack 5 is installed between the two groups of docking card seats 6, the telescopic card head 9 is driven by the electric push rod so that the telescopic card head 9 extends from the docking card seat 6 and is inserted into the two ends of the battery pack 5, completing the electrical connection of the battery pack 5 and fixing the battery pack 5 inside the carrying box 3. The installation position and height of the battery pack 5 can be adjusted by sliding the base 20 to meet the installation operation of different numbers of battery packs 5. By providing the buffer frame 8, when the truck power battery carrying device arranged at the bottom is used, the bottom battery device structure is optimized, so that it has a multi-directional buffer structure, thereby improving the safety of the battery structure; When in use, the battery pack 5 is installed on the inner side of the buffer frame 8, and the buffer frame 8 is installed on the inner side of the inner frame 1, which plays a buffering and protective role for the multiple battery packs 5 installed in the carrying box 3. The buffer frame 8 realizes multi-directional buffering adjustment through the arrangement of four groups of elastic members 7. The elastic member 7 uses the arrangement of the elastic column 11 to provide a transverse elastic buffering structure between the vertical sliding sleeve 14 and the fixed base 26. The arrangement of the four groups of elastic members 7, combined with the use of the elastic slide groove 27 on the side of the buffer frame 8, allows the buffer frame 8 to perform buffering adjustment in any direction according to the direction of external force. Secondly, the spring 12 is used to make the vertical sliding sleeve 14 and the vertical slide 15 have a vertical buffering structure. During the driving of the truck, according to the bumping force of the truck, the battery pack 5 can perform corresponding vertical buffering under the action of the vertical slide 15, so that the battery pack 5 installed in the buffer frame 8 can be adjusted to perform buffering in any direction to avoid damage to the battery pack 5. By providing the air intake cover 2, the truck power battery carrying device arranged at the bottom has an auxiliary heat dissipation structure when in use, thereby optimizing the heat dissipation effect of the multiple battery packs 5 in the carrying box 3; During operation, because there are heat dissipation gaps between several groups of buffer frames 8, the battery packs 5 installed therein maintain a certain heat dissipation space. During the driving of the truck, the air intake hood 2 can be used to introduce external air into the interior of the inner frame 1, and the heat dissipation gaps between the buffer frames 8 can be used to avoid contact between the two groups of battery packs 5, so that a good heat dissipation space is maintained between the two groups of battery packs 5. The air intake hood 2 with an arc-shaped or inclined structure can increase the gas flow rate after the gas enters, so that the air flows quickly between the battery packs 5 and is discharged through the exhaust groove at the rear end of the carrying box 3, which plays a heat dissipation role for the battery pack 5 when it is in use. The filter pad 17 can be used to filter the gas inhaled in the air intake hood 2, and the filter pad 17 can be easily replaced by the setting of the docking card frame 18.

[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make some changes or modifications to equivalent embodiments using the technical contents disclosed above. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A truck power battery carrying device arranged at the bottom, characterized in that: The utility model comprises an inner frame (1) and a carrying box (3), wherein the inner frame (1) is fixedly mounted on the inner side of the carrying box (3), one end of the inner frame (1) and the carrying box (3) are both in a concave shape, a plurality of battery packs (5) are arranged inside the inner frame (1), the two ends of the inner frame (1) and the battery pack (5) are connected and fixed by a docking card seat (6), a buffer frame (8) is installed on the outer side of the docking card seat (6), the buffer frame (8) is elastically connected between the docking card seat (6) and the inner frame (1), elastic parts (7) are movably mounted around the buffer frame (8), air intake hoods (2) are fixedly mounted on the outer surfaces of both sides of the carrying box (3), exhaust grooves are provided at the rear ends of the carrying box (3) and the inner frame (1), and air intake grooves used in conjunction with the air intake hood (2) are provided on the side of the inner frame (1).

2. The bottom-mounted truck power battery carrying device according to claim 1, characterized in that: The middle portion of the carrying box (3) is provided with a mounting groove (4) for docking with a truck frame, the middle portion of the docking card seat (6) is provided with a concave groove (28), both sides of the docking card seat (6) are movably provided with telescopic clamping heads (9), and both ends of the battery pack (5) are provided with docking card slots (10) used in conjunction with the telescopic clamping heads (9).

3. The bottom-mounted truck power battery carrying device according to claim 1, characterized in that: The buffer frame (8) is a rectangular frame structure as a whole. The side of the buffer frame (8) is provided with an elastic sliding groove (27) used in conjunction with the elastic member (7). The inner side of the buffer frame (8) is provided with a vertical card slot (29).

4. The bottom-mounted truck power battery carrying device according to claim 3, characterized in that: The elastic member (7) comprises a vertical sliding sleeve (14) and a fixed base (26), wherein the vertical sliding sleeve (14) is movably mounted on one side of the fixed base (26), and the vertical sliding sleeve (14) and the fixed base (26) are elastically connected via an elastic column (11).

5. The bottom-mounted truck power battery carrying device according to claim 4, characterized in that: A vertical sliding seat (15) is movably mounted on one side of the vertical sliding sleeve (14), and the vertical sliding sleeve (14) and the vertical sliding seat (15) are elastically connected via a spring (12). A docking slider (13) for docking with an elastic sliding groove (27) is fixedly mounted at a middle position on the outer surface of the vertical sliding sleeve (14).

6. The bottom-mounted truck power battery carrying device according to claim 5, characterized in that: The air intake hood (2) and the carrying box (3) are fixed to each other via a mounting plate (16); the side of the air intake hood (2) is an arc-shaped or inclined-surface structure; and heat dissipation gaps are provided between the groups of buffer frames (8).

7. The bottom-mounted truck power battery carrying device according to claim 1, characterized in that: A filter pad (17) is installed inside the air intake hood (2), and the air intake hood (2) and the filter pad (17) are fixed together via a docking card frame (18).

8. The battery installation device for a bottom-mounted truck power battery carrier according to claim 1, characterized in that: The utility model comprises a sliding base (20) and a lifting support plate (22), wherein the lifting support plate (22) is movably mounted on the upper portion of the sliding base (20), and the sliding base (20) and the lifting support plate (22) are movably connected via a scissor-type lift (21).

9. The battery installation device for a bottom-mounted truck power battery carrier according to claim 8, characterized in that: Positioning buckles (25) for fixing the battery pack (5) are provided on both sides of the lifting support plate (22), and a guide block (23) for cooperating with the concave groove (28) is provided in the middle of the lifting support plate (22).

10. The battery installation device for a bottom-mounted truck power battery carrier according to claim 9, characterized in that: A sliding base plate (19) is provided at the bottom of the sliding base (20), and a limiting sliding groove (24) used in conjunction with the sliding base (20) is provided at the upper end of the sliding base plate (19).

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