CN218505646U - Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck - Google Patents
Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck Download PDFInfo
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- CN218505646U CN218505646U CN202223117446.1U CN202223117446U CN218505646U CN 218505646 U CN218505646 U CN 218505646U CN 202223117446 U CN202223117446 U CN 202223117446U CN 218505646 U CN218505646 U CN 218505646U
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Abstract
A mechanical structure for bearing a power battery installed on a 50-ton pure electric mining dump truck comprises a first battery support installed at the front end of a frame, a second battery support arranged on the frame and located between the first battery support and a portal frame, and a third battery support arranged on one side of the frame and located behind the portal frame; the first battery bracket is of a two-layer frame structure and is transversely placed at the position of the original diesel engine radiator according to the overall requirement; the second battery bracket is of a four-layer frame structure, and the whole box body is placed at the position of the original diesel engine according to the overall equipment arrangement requirement; and the third battery bracket is of a two-layer frame structure and is arranged at the position of the fuel tank of the original frame according to the overall requirement. The three battery supports evenly distribute the weight of the power battery on the frame, so that the frame is stressed more evenly; the frame of the battery bracket is formed by welding the section bar and the bent inner beam of the plate, and the frame is high in structural strength, light in weight and low in processing difficulty.
Description
Technical Field
The utility model relates to a tipper, especially a bear 50 tons of pure mining tipper installation power battery's mechanical structure.
Background
The pure electric mining dump truck utilizes the traction motor and the power battery to replace a fuel engine, so that the energy consumption is reduced to the maximum extent, pollution-free and zero-emission operation of the whole truck is realized, the use and maintenance cost of the truck is reduced, and the operation economy of the truck is improved.
The pure electric dumper needs to install a power battery on a frame, and the power battery pack is installed through a battery bracket at present. The distribution of the existing power batteries on the frame is not balanced enough, so that the stress of the frame is influenced; the common structure of current battery support is frame construction, mostly is that panel bends then the assembly welding forms, and the precision of bending of panel is not good to be held, and it is great to warp during the welding, compares the section bar that machining volume is more.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a mechanical structure for bearing a power battery installed on a 50-ton pure electric mining dump truck, which has reasonable layout of the power battery and balanced stress of a frame; the processing difficulty is reduced, and the construction convenience is improved.
In order to solve the technical problem, the technical scheme of the utility model is that: a mechanical structure for bearing a power battery installed on a 50-ton pure electric mining dump truck comprises a first battery support installed at the front end of a frame, a second battery support arranged on the frame and located between the first battery support and a portal frame, and a third battery support arranged on one side of the frame and located behind the portal frame;
the first battery support comprises a first frame and a first outer skin arranged outside the first frame, a first accommodating cavity is formed in the first frame, and the first accommodating cavity comprises a plurality of first limiting spaces for mounting power battery packs; two sides of the bottom of the first frame are provided with first installation seats, and the first installation seats are connected with the frame through bolts;
the second battery bracket comprises a second frame and a second outer skin arranged outside the second frame, a second accommodating cavity is formed in the second frame, and the second accommodating cavity comprises a plurality of second limiting spaces for mounting the power battery pack; two sides of the middle part of the second frame are provided with second mounting seats, and the second mounting seats are connected with the frame through bolts; the top of the second battery bracket is provided with a water cooling bracket for mounting a water cooling unit of a battery cooling system;
the third battery bracket comprises a third frame and a third outer skin arranged outside the third frame, a third accommodating cavity is formed in the third frame, and the third accommodating cavity comprises a plurality of third limiting spaces for mounting the power battery pack; the back of the third battery bracket is fixed on the side face of the frame longitudinal beam through a third mounting seat.
The utility model is provided with the first battery bracket, the second battery bracket and the third battery bracket at three positions of the frame respectively, so that the weight of the power battery is evenly distributed on the frame, and the stress of the frame is more balanced; the frame of the battery bracket is formed by welding the section bar and the bent inner beam of the plate, and the frame has high structural strength, light weight and low processing difficulty; the junction box is arranged at the top of the first battery bracket, so that interface support of related electrical equipment is provided, and convenience is provided for modular installation of the whole equipment; the water cooling system consists of an upper part and a lower part, so that convenience in installation is provided for the water cooling unit, and convenience is also provided for subsequent maintenance.
As an improvement, the first frame comprises a first outer frame formed by welding a first section bar and a first inner beam formed by bending a plate, and the first inner beam is connected with the first outer frame in a welding manner; the first outer skin is composed of six first thin plates, and the first thin plates are locked on the first outer frame through bolts.
As an improvement, the second frame comprises a second outer frame formed by welding second sectional materials and a second inner beam formed by bending the plates, and the second inner beam is connected with the second outer frame in a welding manner; the second outer skin is composed of a second thin plate with six surfaces, and the second thin plate is locked on the second outer frame through bolts; and avoidance holes are formed in the second thin plates on the two sides corresponding to the second mounting seats, and the second mounting seats are connected with the second frame in a welding mode.
As an improvement, the water-cooling support comprises a lower frame and an upper frame, and the upper frame is connected with the lower frame through bolts.
As an improvement, the third frame comprises a third outer frame formed by welding a third section bar and a third inner beam formed by bending a high-strength steel plate, and the third inner beam is connected with the third outer frame in a welding manner; the third outer skin is composed of six third thin plates, and the third thin plates are locked on the second outer frame through bolts.
As an improvement, the third mounting seat comprises T-shaped plates arranged on two sides of the back surface of the third battery support, U-shaped plates arranged on the frame and corresponding to the T-shaped plates, third upper seat bodies arranged on two sides of the back surface of the third battery support, and third lower seat bodies arranged on the frame and corresponding to the third upper seat bodies; the T-shaped plate comprises a transverse plate and a vertical plate, the vertical plate and the transverse plate are perpendicular and mutually welded, the vertical plate is inserted into the U-shaped plate, and the transverse plate is welded on a third frame of a third battery bracket; the middle part of the U-shaped plate is welded on the frame, and two sides of the U-shaped plate are bent outwards and fixed on the transverse plate through bolts; and the third upper seat body is connected with the third lower seat body through a bolt.
As an improvement, the top of the first battery bracket is provided with a BMS control box and a high voltage box, and is directly connected with the first battery bracket through bolts.
Compared with the prior art, the utility model the beneficial effect who brings is:
the utility model is provided with the first battery bracket, the second battery bracket and the third battery bracket at three positions of the frame respectively, so that the weight of the power battery is evenly distributed on the frame, and the stress of the frame is more balanced; the frame of the battery bracket is formed by welding the section bar and the bent inner beam of the plate, and the frame has high structural strength, light weight and low processing difficulty; the junction box is arranged at the top of the first battery support, so that interface support of related electrical equipment is provided, and convenience is provided for modular installation of the whole equipment; the water cooling system consists of an upper part and a lower part, so that convenience in installation is provided for the water cooling unit, and convenience is also provided for subsequent maintenance.
Drawings
Fig. 1 is a distribution perspective view of a battery support on a vehicle frame.
Fig. 2 is a side view of the battery support on the frame.
Fig. 3 is a distribution top view of the battery bracket on the frame.
Fig. 4 is an exploded view of the first battery holder.
Fig. 5 is an exploded view of the second battery holder.
Fig. 6 is an exploded view of a third battery holder.
Fig. 7 is an enlarged view of fig. 3 at a.
Fig. 8 is an exploded view of the water-cooled stand.
Detailed Description
The present invention will be further explained with reference to the drawings.
As shown in fig. 1 to 3, the mechanical structure for bearing the power battery mounted on the 50-ton pure electric mining dump truck comprises a first battery bracket 1 mounted at the front end of a frame 6, a second battery bracket 2 arranged on the frame 6 and located between the first battery bracket 1 and a portal frame 61, and a third battery bracket 3 arranged at one side of the frame 6 and located behind the portal frame 61. The first battery bracket 1 is of a two-layer frame structure and is transversely placed at the position of a radiator of a diesel engine of an original vehicle according to the overall requirement; the second battery bracket 2 is of a four-layer frame structure, and the whole box body is placed at the position of the original diesel engine according to the overall equipment arrangement requirement; the third battery bracket 3 is a two-layer frame structure and is arranged at the position of the fuel tank of the original frame 6 according to the overall requirement.
As shown in fig. 4, the first battery holder 1 includes a first frame and a first outer skin provided outside the first frame. Form first holding cavity in the first frame, first holding cavity includes a plurality of first spacing spaces that are used for installing the power battery package, and power battery package installation and dismantlement carry out the mode and also be frame 6 advancing direction, keep the unanimity of power battery business turn over direction also to be convenient for power battery's maintenance. First installation bases 14 are arranged on two sides of the bottom of the first frame, the first installation bases 14 are welded with the first frame, and the first installation bases 14 are connected with the frame 6 through bolts. The first frame comprises a first outer frame 11 formed by welding first sectional materials and a first inner beam 12 formed by bending a plate, and the first inner beam 12 is connected with the first outer frame 11 in a welding manner; the section bar does not need additional machining, is directly cut and then welded according to the required length, and is simple and convenient; the first inner beam 12 facilitates the overall installation and disassembly of the power battery pack according to the installation interface provided by the power battery pack. The first outer skin is composed of six first thin plates 13, the first thin plates 13 are locked on the first outer frame 11 through bolts, so that relatively independent closed spaces are formed inside the whole first battery support 1, and support is provided for heat preservation and external protection of the power battery. The top of first battery support is equipped with BMS control box 7 and high-voltage box 4 to directly be connected with first battery support through the bolt, provide the interface support of relevant electrical equipment, provide the convenience for the modularization installation of whole equipment.
As shown in fig. 5, the second battery holder 2 includes a second frame and a second outer skin provided outside the second frame. Form the second holding cavity in the second frame, the second holding cavity includes a plurality of spacing spaces of second that are used for installing the power battery package, and power battery package installation and dismantlement carry out the mode and also be frame 6 advancing direction, keep the unanimity of power battery business turn over direction also to be convenient for power battery's maintenance. The second frame comprises a second outer frame 21 formed by welding second sectional materials and a second inner beam 22 formed by bending the plates, and the second inner beam 22 is connected with the second outer frame 21 in a welding manner; the section bar does not need extra machining, is directly cut and then welded according to the required length, and is simple and convenient. Two sides of the middle part of the second frame are provided with second mounting seats 24, and the second mounting seats 24 are connected with the frame 6 through bolts; the second mounting seat 24 is arranged at the middle position of the box body in consideration of the position of the overall gravity center of the second battery bracket 2 and the distribution of the longitudinal beams of the frame 6, so that the structure can be better supported. The second skin is composed of six second thin plates 23, and the second thin plates 23 are locked on the second outer frame 21 through bolts; in the embodiment, except that the skins on the top surface and the bottom surface are connected with the second battery bracket 2 frame through welding, the skins on the other four surfaces are connected with the second bracket frame through bolts, so that wiring harnesses and pipelines of the power battery system are further conveniently arranged, and the skins can be maintained only by disassembling during subsequent maintenance, so that the convenience of maintenance is improved; avoidance holes are formed in the positions, corresponding to the second mounting seats 24, of the second thin plates 23 on the two sides, and the second mounting seats 24 are connected with the second frame in a welding mode.
As shown in fig. 1, 2, 3 and 8, a water-cooling bracket 5 for installing a water-cooling unit of the battery cooling system is arranged at the top of the second battery bracket 2; the water-cooled support 5 includes a lower frame 52 and an upper frame 51, and the upper frame 51 is connected to the lower frame 52 by bolts. The upper part and the lower part are formed by bending sectional materials and plates and then assembling and welding, the water cooling unit is larger than the water cooling support 5 due to the limitation of space, the water cooling support 5 is divided into the upper part and the lower part which are connected through bolts, installation convenience is provided for the water cooling unit, convenience is also provided for subsequent maintenance, the whole water cooling support is movably connected, and great convenience is provided for installation and disassembly of equipment.
As shown in fig. 6 and 7, the third battery holder 3 includes a third frame and a third outer skin provided outside the third frame. And a third accommodating cavity is formed in the third frame and comprises a plurality of third limiting spaces for mounting the power battery pack. The third frame comprises a third outer frame 31 formed by welding third section bars and a third inner beam 32 formed by bending a high-strength steel plate, and the third inner beam 32 is connected with the third outer frame 31 in a welding manner. The third outer skin is composed of six-sided third thin plates 33, and the third thin plates 33 are locked on the second outer frame 21 through bolts; in order to meet the functional requirements of cooling, dust prevention and heat preservation of the third battery support 3, the third battery support 3 is also of a closed structure integrally, wherein upper and lower skins are connected with the third frame in a welding mode, and side skins are connected with the third frame through bolts, so that the power battery can be conveniently installed and maintained. The back surface of the third battery bracket 3 is fixed on the side surface of the frame longitudinal beam 62 through a third mounting seat; the third mounting seat comprises T-shaped plates 34 arranged on two sides of the back of the third battery support 3, a U-shaped plate 36 arranged on the frame 6 and corresponding to the T-shaped plates 34, third upper seat bodies arranged on two sides of the back of the third battery support 3 and a third lower seat body 37 arranged on the frame 6 and corresponding to the third upper seat body 35, the T-shaped plates 34 comprise transverse plates 342 and vertical plates 341, the vertical plates 341 are perpendicular to the transverse plates 342 and are welded with each other, the vertical plates 341 are inserted into the U-shaped plates 36, the transverse plates 342 are welded on a third frame of the third battery support 3, the middle parts of the U-shaped plates 36 are welded on the frame 6, two sides of the U-shaped plates 36 are bent outwards and fixed on the transverse plates 342 through bolts, and the third upper seat body 35 is connected with the third lower seat body 37 through bolts; the quality estimation that combines the full oil of former fuel tank, and former mounting means is the side and hangs, and the total mass of third battery support 3 has surpassed former side and hangs the total mass of fuel tank, for avoiding former fuel tank mounting structure can't bear the quality of present assembly, has increased U-shaped plate 36 mount pad on the basis of former fuel tank interface installation, and this mount pad bears the vertical load of third battery support 3 to play the effect of sharing the vertical load of former fuel tank interface, the bolt bears the shearing force and is cut off when simultaneously can also preventing former fuel tank interface from passing through bolted connection. The third battery support 3 mounting process sequence needs to connect the battery support welding assembly with the frame 6, then pushes the power battery into the frame structure, and when the power battery is mounted, the power battery on the upper layer must be mounted firstly, the power battery on the lower layer is mounted from top to bottom after the bolt is fastened, and finally the power battery on the lower layer is mounted, and the skin is mounted after the pipeline arrangement is finished.
Claims (7)
1. The utility model provides a bear 50 tons of electricelectric mining tipper installation power battery's mechanical structure which characterized in that: the device comprises a first battery bracket arranged at the front end of a frame, a second battery bracket arranged on the frame and positioned between the first battery bracket and a portal frame, and a third battery bracket arranged at one side of the frame and positioned behind the portal frame;
the first battery support comprises a first frame and a first outer skin arranged outside the first frame, a first accommodating cavity is formed in the first frame, and the first accommodating cavity comprises a plurality of first limiting spaces for mounting power battery packs; two sides of the bottom of the first frame are provided with first mounting seats, and the first mounting seats are connected with the frame through bolts;
the second battery bracket comprises a second frame and a second outer skin arranged outside the second frame, a second accommodating cavity is formed in the second frame, and the second accommodating cavity comprises a plurality of second limiting spaces for mounting the power battery pack; two sides of the middle part of the second frame are provided with second mounting seats, and the second mounting seats are connected with the frame through bolts; the top of the second battery bracket is provided with a water cooling bracket for mounting a water cooling unit of a battery cooling system;
the third battery bracket comprises a third frame and a third outer skin arranged outside the third frame, a third accommodating cavity is formed in the third frame, and the third accommodating cavity comprises a plurality of third limiting spaces for mounting the power battery pack; the back of the third battery bracket is fixed on the side face of the frame longitudinal beam through a third mounting seat.
2. The mechanical structure for bearing the power battery mounted on the 50-ton pure electric mining dump truck according to claim 1, characterized in that: the first frame comprises a first outer frame formed by welding first sectional materials and a first inner beam formed by bending a plate, and the first inner beam is connected with the first outer frame in a welding manner; the first outer skin is composed of six first thin plates, and the first thin plates are locked on the first outer frame through bolts.
3. The mechanical structure for bearing the power battery installed on the 50-ton pure electric mining dump truck according to claim 1, characterized in that: the second frame comprises a second outer frame formed by welding second profiles and a second inner beam formed by bending plates, and the second inner beam is welded with the second outer frame; the second outer skin is composed of a second thin plate with six surfaces, and the second thin plate is locked on the second outer frame through bolts; and avoidance holes are formed in the second thin plates on the two sides corresponding to the second mounting seats, and the second mounting seats are connected with the second frame in a welding mode.
4. The mechanical structure for bearing the power battery mounted on the 50-ton pure electric mining dump truck according to claim 1, characterized in that: the water-cooling support comprises a lower frame and an upper frame, and the upper frame is connected with the lower frame through bolts.
5. The mechanical structure for bearing the power battery installed on the 50-ton pure electric mining dump truck according to claim 1, characterized in that: the third frame comprises a third outer frame formed by welding third sectional materials and a third inner beam formed by bending a high-strength steel plate, and the third inner beam is connected with the third outer frame in a welding manner; the third outer skin is composed of six third thin plates, and the third thin plates are locked on the second outer frame through bolts.
6. The mechanical structure for bearing the power battery installed on the 50-ton pure electric mining dump truck according to claim 5, characterized in that: the third mounting seat comprises T-shaped plates arranged on two sides of the back surface of the third battery support, U-shaped plates arranged on the frame and corresponding to the T-shaped plates, third upper seat bodies arranged on two sides of the back surface of the third battery support and third lower seat bodies arranged on the frame and corresponding to the third upper seat bodies; the T-shaped plate comprises a transverse plate and a vertical plate, the vertical plate and the transverse plate are perpendicular and mutually welded, the vertical plate is inserted into the U-shaped plate, and the transverse plate is welded on a third frame of a third battery bracket; the middle part of the U-shaped plate is welded on the frame, and two sides of the U-shaped plate are bent outwards and fixed on the transverse plate through bolts; and the third upper seat body is connected with the third lower seat body through a bolt.
7. The mechanical structure for bearing the power battery installed on the 50-ton pure electric mining dump truck according to claim 1, characterized in that: the top of first battery support is equipped with BMS control box and high-pressure box to directly pass through the bolt and be connected with first battery support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117446.1U CN218505646U (en) | 2022-11-23 | 2022-11-23 | Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117446.1U CN218505646U (en) | 2022-11-23 | 2022-11-23 | Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck |
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| CN218505646U true CN218505646U (en) | 2023-02-21 |
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| CN202223117446.1U Active CN218505646U (en) | 2022-11-23 | 2022-11-23 | Mechanical structure for bearing power battery installed on 50-ton pure electric mining dump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373715A (en) * | 2023-06-05 | 2023-07-04 | 湘电重型装备有限公司 | Large-tonnage pure electric wheel dumper |
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2022
- 2022-11-23 CN CN202223117446.1U patent/CN218505646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373715A (en) * | 2023-06-05 | 2023-07-04 | 湘电重型装备有限公司 | Large-tonnage pure electric wheel dumper |
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