CN111976752A - Lower box body of magnetic-levitation train - Google Patents
Lower box body of magnetic-levitation train Download PDFInfo
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- CN111976752A CN111976752A CN202010923841.5A CN202010923841A CN111976752A CN 111976752 A CN111976752 A CN 111976752A CN 202010923841 A CN202010923841 A CN 202010923841A CN 111976752 A CN111976752 A CN 111976752A
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- side plate
- electrical component
- folding part
- plate
- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a lower box body of a maglev train, which comprises a box shell, wherein a first cavity and a second cavity are arranged in the box shell, and a first opening is formed in the first cavity; the power module is arranged in the first cavity in a sliding mode and can slide out of the first cavity electrical element through the opening under the action of external force, and the electrical element comprises a first type of electrical assembly which is an electrical element with high probability of failure; the first type of electric components are integrated on the same circuit board, and the circuit board is arranged on the power module; a second type of electrical component that is a sub-probabilistic failed electrical component; the second type of electrical component is arranged on the end face of the box shell; a third type of electrical component, the third type of electrical component being an electrical component with a low probability of failure; a third type of electrical component is disposed within the second chamber of the enclosure. The technical problem that in the prior art, the electrical elements in the lower box of the automobile are difficult to disassemble, assemble and maintain is solved.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to a lower box body of a maglev train.
Background
The space under the magnetic suspension train is very compact, the lower box body of the magnetic suspension train project train developed at home generally adopts a drawer type structure, and the electrical connection adopts a blind plugging mode. The structure comprises an outer box and an inner box, wherein the outer box is fixed on a vehicle body, an electrical element is arranged on the inner box, the inner box is of a closed structure, and the IP protection grade is guaranteed by the inner box.
However, the above-described prior art under-vehicle box structure employs an inner and outer box structure, thereby causing the structure to be repeated and causing a significant increase in the weight of the mechanical part. Meanwhile, the inner box is heavy in weight and not easy to disassemble and assemble, and generally needs more than three persons to complete the operation, and the inner box can be realized only by disassembling the inner box when more electrical components and any devices are damaged. This makes it difficult to attach and detach and maintain the electric components in the under-vehicle box in the related art.
Disclosure of Invention
The invention aims to provide a lower box body of a maglev train, which aims to solve the problem that electrical elements in the lower box body are difficult to disassemble, assemble and maintain in the prior art.
In order to realize the purpose, the invention adopts the following technical scheme:
a lower box body of a maglev train, which comprises,
the refrigerator comprises a refrigerator shell, a first refrigerator shell and a second refrigerator shell, wherein a first cavity and a second cavity are arranged in the refrigerator shell, and a first opening is formed in the first cavity;
the power module is arranged in the first cavity in a sliding mode and can slide out of the first cavity through the first opening under the action of external force;
an electrical component, the electrical component comprising,
a first type of electrical component that is a high probability of failing electrical component; the first type of electric components are integrated on the same circuit board, and the circuit board is arranged on the power module;
a second type of electrical component, the second type of electrical component being a sub-probabilistically faulty electrical component; the second type of electrical component is arranged on the end face of the box shell;
a third type of electrical component that is an electrical component with a low probability of failure; the third type of electrical component is disposed within the second chamber of the enclosure.
Preferably, the enclosure comprises, in combination,
the first side plate comprises a first side plate body, and four edge ends of the first side plate body are turned towards the direction far away from the interior of the box body to form a first turning part; the first folding parts are perpendicular to the first side plate body;
the second side plate comprises a second side plate body, and four edge ends of the second side plate body are turned towards the direction far away from the interior of the box body to form a second turning part; the second turnover parts are vertical to the second side plate body; the first side plate and the second side plate are arranged oppositely and in parallel.
Preferably, the cabinet case includes a partition plate, the partition plate is disposed in the cabinet case, and the partition plate includes,
the four edge ends of the partition plate body are turned towards the same side to form a partition turning part; the separation folding parts of the two side edge ends are respectively connected with the first side plate body and the second side plate body;
and the divider plate divides the cabinet interior into the first and second chambers.
Preferably, the enclosure further comprises a third side panel, the third side panel comprising,
a third side plate body perpendicular to the first and second side plates; and both ends of the first folding part are respectively connected with the first folding part and the second folding part; the third side plate body is provided with the first opening, and the first opening is provided with a door body;
the third folding part is formed by folding the four edge ends of the third side plate body towards the direction far away from the interior of the box body, and the width of the third folding part is larger than the thickness of the door body, so that the door body can be embedded into the third side plate.
Preferably, the enclosure further comprises a fourth side panel, the fourth side panel being disposed parallel to and spaced apart from the third side panel, the fourth side panel comprising,
a fourth side plate body perpendicular to the first and second side plates; and both ends of the first folding part are respectively connected with the first folding part and the second folding part;
and the fourth turnover part is formed by turning over four edge ends of the fourth side plate body towards the direction far away from the interior of the box body.
Preferably, the box shell further comprises a top plate and a bottom plate, and the top plate and the bottom plate are horizontally arranged in parallel;
the first side plate, the second side plate, the third side plate, the fourth side plate and the partition plate are vertically arranged between the top plate and the bottom plate;
the top plate and the bottom plate are respectively connected with the first folding part, the second folding part, the third folding part, the fourth folding part and the separating folding part through riveting to form the box shell;
the first chamber is enclosed by the first side plate, the second side plate, the third side plate, the partition plate, the top plate and the bottom plate; the second chamber is enclosed by a second side plate of the first side plate, a second side plate of the fourth side plate, a partition plate, a top plate and a bottom plate.
Preferably, two sliding rails which are oppositely and parallelly arranged are also arranged in the box shell,
the inner walls of the first side plate body and the second side plate body are respectively and horizontally provided with a sliding rail, the two sliding rails are arranged oppositely and parallelly, and the sliding rails extend from one end of the first cavity to the other end of the first cavity along the length direction of the first side plate body and the second side plate body;
the two sides of the power module are provided with sliding grooves, the sliding grooves correspond to the sliding rails, and the sliding rails are clamped in the sliding grooves, so that the power module can be arranged in the first cavity in a sliding mode.
Preferably, the power module is provided with a first positioning device, and the partition plate is provided with a second positioning device; when the power module slides into the first cavity, the first positioning device is connected with the second positioning device.
Preferably, four corners of the top end of the box shell are provided with lifting lugs, each lifting lug comprises a horizontal end and a vertical end, and the horizontal ends are a third folding part at the upper end of the third side plate and a fourth folding part at the upper end of the fourth side plate; the vertical ends are a third folding part at two sides of the third side plate and a fourth folding part at two sides of the fourth side plate; the horizontal end and the corresponding vertical end are connected through fillet welding to form the lifting lug, and an equipment mounting hole is formed in the horizontal end.
Preferably, a reinforcing rib is arranged at the joint of the horizontal end and the vertical end.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention designs a lower box body of a magnetic suspension train, which is a single-layer box body, and a cavity in the box body is divided into a first cavity and a second cavity, so that the classified placement of electric elements can be realized. The electric elements are divided into electric elements with high probability of failure, electric elements with secondary probability of failure and electric elements with low probability of failure according to the probability of failure; through setting up the electric spare that breaks down with high probability on power module, and power module slides and sets up in first cavity, and can be through the first cavity of first opening roll-off, when electric spare on power module breaks down from this, only need pull out power module, can overhaul electric spare, adopt this structure labour saving and time saving, easy operation only needs alone to accomplish.
Simultaneously, the electrical component that secondary probability breaks down sets up on the case shell terminal surface of first cavity, when it breaks down, only needs to pull out power module, and first cavity has sufficient space this moment, and the staff of being convenient for maintains. However, the electrical component which is not prone to failure is arranged in the second cavity, and only when the electrical component of the group fails, the box body needs to be disassembled, so that the probability of disassembling the box body is greatly reduced, the workload and the difficulty of maintenance are effectively reduced, and the disassembly, the assembly and the maintenance of the electrical component in the lower box of the vehicle in the prior art are difficult.
Drawings
FIG. 1 is a schematic view 1 of the overall structure of a lower box body of a maglev train in the invention;
FIG. 2 is a schematic structural diagram of the power module in the lower box body of the maglev train in the invention sliding out;
FIG. 3 is a schematic view of a partial structure of a lower box body of a maglev train in the invention;
FIG. 4 is an exploded view 1 of the middle box shell of the lower box body of the maglev train in the invention;
FIG. 5 is an exploded view 2 of the middle box shell of the lower box body of the maglev train vehicle in the invention;
FIG. 6 is a schematic view of a partial structure of a middle box shell of a lower box body of a maglev train in the invention 1;
FIG. 7 is a schematic view 2 of a partial structure of a middle box shell of a lower box body of a maglev train in the invention;
FIG. 8 is a schematic view of a partial structure of a middle box shell of a lower box body of a maglev train in the invention 3;
FIG. 9 is a schematic structural diagram of a power module in a lower box of a maglev train in accordance with the present invention;
FIG. 10 is a schematic view of the overall structure of the lower box of the maglev train of the present invention 2;
FIG. 11 is a front view of the lower box body of the maglev train of the present invention without a door body;
FIG. 12 is an enlarged view of the structure at B in FIG. 11 according to the present invention;
in the above figures: 1. a cabinet housing; 110. a first side plate; 111. a first side plate body; 112. a first fold-over portion; 120. a second side plate; 121. a second side plate body; 122. a second fold-over portion; 130. a third side plate; 131. A third side plate body; 132. a third folding part; 140. a fourth side plate; 141. a fourth side plate body; 142. A fourth folded portion; 143. a second opening; 150. a top plate; 151. disassembling the plate; 160. a base plate; 2. a power module; 21. a chute; 22. a heat sink; 23. a heat dissipation air duct; 24. a high connector; 25. a low connector; 26. a locking member; 27. a fixing member; 3. a partition plate; 31. a divider plate body; 32. a separation folding part; 33. A first heat dissipation hole; 4. a first chamber; 41. a first opening; 5. a second chamber; 6. a door body; 61. a door body; 62. a door frame; 63. a second heat dissipation hole; 7. a slide rail; 8. lifting lugs; 81. a lifting lug cushion block; 9. reinforcing ribs; 10. a first positioning device; 11. a fan protecting cover; 12. a gap.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", "first", "second", "third", "fourth", etc. indicate the orientations and positional relationships based on the positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; either directly or through an intermediary profile. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Technical scheme in the embodiment of this application is for solving above-mentioned prior art in the car more difficult technical problem of electrical component dismouting and maintenance in the incasement down, general thinking is as follows:
the invention designs a lower box body of a magnetic suspension train, which is a single-layer box body, and a cavity in the box body is divided into a first cavity and a second cavity, so that the classified placement of electric elements can be realized. That is, by dividing the electrical components into three groups according to the probability of failure, namely, electrical components with high probability of failure, electrical components with secondary probability of failure, and electrical components with low probability of failure; through setting up the electric spare that breaks down with high probability on power module, and power module slides and sets up in first cavity, and can be through the first cavity of first opening roll-off, when electric spare on power module breaks down from this, only need pull out power module, can overhaul electric spare, adopt this structure labour saving and time saving, easy operation only needs alone to accomplish. Simultaneously, the electrical component that secondary probability breaks down sets up on the case shell terminal surface of first cavity, when it breaks down, only needs to pull out power module, and first cavity has sufficient space this moment, and the staff of being convenient for maintains. However, the electrical component which is not prone to failure is arranged in the second cavity, and only when the electrical component of the group fails, the box body needs to be disassembled, so that the probability of disassembling the box body is greatly reduced, the workload and the difficulty of maintenance are effectively reduced, and the disassembly, the assembly and the maintenance of the electrical component in the lower box of the vehicle in the prior art are difficult.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
A lower box body of a maglev train, which comprises,
the refrigerator comprises a refrigerator shell 1, wherein a first chamber 4 and a second chamber 5 are arranged in the refrigerator shell 1, and a first opening is formed in the first chamber 4;
the power module 2 is arranged in the first chamber 4 in a sliding mode, and can slide out of the first chamber 4 through the opening under the action of external force;
an electrical component, the electrical component comprising,
a first type of electrical component that is a high probability of failing electrical component; the first type of electrical components are integrated on the same circuit board, and the circuit board is arranged on the power module 2;
a second type of electrical component, the second type of electrical component being a sub-probabilistically faulty electrical component; the second type of electrical component is arranged on the end face of the cabinet 1;
a third type of electrical component that is an electrical component with a low probability of failure; the third type of electrical component is disposed within the second chamber 5 of the enclosure 1.
As shown in fig. 1 to 4, the cabinet 1 includes a first side plate 110, a second side plate 120, a partition plate 3, a third side plate 130, a fourth side plate 140, a top plate 150, and a bottom plate 160.
The first side plate 110 comprises a first side plate body 111, and four edge ends of the first side plate body 111 are turned towards a direction far away from the interior of the box body to form a first turning part 112; and the first folding parts 112 are all perpendicular to the first side plate body 111. Specifically, first curb plate 110 is the rectangular plate-shaped structure that has certain thickness, hardness, and it is vertical to be set up between roof 150 and bottom plate 160, and first curb plate 110 is mutually perpendicular with roof 150 and bottom plate 160, turns over to the book of turning over to four edges of first curb plate body 111, it is the orientation of keeping away from the inside direction of box promptly to turn over to the book to the outside for this turns over the book and is located the box outside, and first turn over book portion 112 and all be located same one side of first curb plate body 111, and simultaneously, the edge overlap joint of adjacent first turn over book portion 112 is connected in an organic whole through the fillet weld and is in order to strengthen first curb plate 110 intensity and guarantee the sealing performance at box corner.
The second side plate 120 comprises a second side plate body 121, and four edge ends of the second side plate body 121 are turned towards a direction away from the inside of the box body to form a second turning part 122; the second folded portions 122 are perpendicular to the second side plate body 121; the first side plate 110 and the second side plate 120 are disposed opposite and parallel to each other. Specifically, the second side plate 120 is a rectangular plate-shaped structure with a certain thickness and hardness, and is vertically disposed between the top plate 150 and the bottom plate 160, and the second side plate 120 is perpendicular to the top plate 150 and the bottom plate 160, and meanwhile, the second side plate 120 and the first side plate 110 are spaced and arranged in parallel, and the second side plate body 121 is turned outwards at four edges, i.e., towards the direction away from the inside of the box body, so that the turned part is located outside the box body, and the second turned part 122 is located at the same side of the second side plate body 121, and meanwhile, the edge lap joints of the adjacent second turned part 122 are connected into a whole through fillet welding to enhance the strength of the second side plate 120 and better ensure the sealing performance of the corner parts of the box body.
The inner walls of the first side plate body 111 and the second side plate body 121 are respectively and horizontally provided with a slide rail 7, the two slide rails 7 are arranged oppositely and in parallel, and the slide rail 7 extends from one end of the first cavity 4 to the other end of the first cavity 4 along the length direction of the first side plate body 111 and the second side plate body 121. Specifically, the slide rail 7 is preferably a quadrangular prism structure, which extends from the open end of the box body to the inside of the box body, i.e. from the opening of the first chamber 4 to the inside of the first chamber 4, and the length of the slide rail 7 is consistent with the depth of the first chamber 4, i.e. the slide rail 7 is only disposed in the first chamber 4.
The partition plate 3 is arranged in the box shell 1, the partition plate 3 comprises a partition plate body 31, and four edge ends of the partition plate body 31 are turned over towards the same side to form a partition turning part 32; and the separation folding part 32 of two side edge ends is respectively connected with the first side plate 110 and the second side plate 120; and the partition plate 3 divides the interior of the cabinet 1 into the first chamber 4 and the second chamber 5. Specifically, the partition plate 3 is a rectangular plate-shaped structure having a certain thickness and hardness, and is vertically disposed between the top plate 150 and the bottom plate 160, and the partition plate 3 is perpendicular to the top plate 150 and the bottom plate 160. Meanwhile, the partition plate 3 is disposed between the first side plate 110 and the second side plate 120, the separation folded portion 32 on one side of the partition plate 3 is connected to the first side plate body 111, the separation folded portion 32 on the other side of the partition plate 3 is connected to the second side plate body 121, the separation folded portion 32 on the top end of the partition plate is connected to the top plate 150, and the separation folded portion 32 on the bottom end of the partition plate is connected to the bottom plate 160. By providing this partition plate 3, the longitudinal space in the tank is divided into two parts, i.e. a first chamber 4 and a second chamber 5 are formed. For the design of the dimensions of the first chamber 4 and the second chamber 5, a separation is required depending on the dimensions of the actual power module 2 and other electrical components. Meanwhile, as shown in a position a in fig. 6, because the outward-folded structures of the first side plate 110 and the second side plate 120 in this embodiment are adopted, that is, the folded portions face the outside of the box body, the partition plate 3 can be directly installed without cutting and avoiding obstacles, the structural rigidity is greatly improved, and meanwhile, the workload of the great reduction is reduced, and the working efficiency is improved.
The third side panel 130 comprises a third side panel body 131 and a third folded part 132, wherein the third side panel body 131 is perpendicular to the first side panel 110 and the second side panel 120; and both ends thereof are respectively connected with the first folding part 112 and the second folding part 122; and be provided with first opening 41 on the third panel body 131, first opening 41 department is provided with a body 6, and is specific, as shown in fig. 3 and 4, a body 6 includes door body 61 and door frame 62, and door frame 62 installs in first opening 41 department, and door body 61 installs on door frame 62, and four angles departments of door body 61 all are provided with the bolt, and door frame 62 corresponds the position punishment and is provided with the rivet nut respectively, makes door body fixed the setting on the door frame through the cooperation of bolt and nut. The third folding part 132 is formed by folding four edge ends of the third side plate body 131 towards a direction away from the interior of the box body, and the width of the third folding part 132 is greater than the thickness of the door body 6, so that the door body 6 can be embedded into the third side plate 130. Specifically, the third side plate 130 is a rectangular plate-shaped structure with a certain thickness and hardness, and is vertically disposed between the top plate 150 and the bottom plate 160, the third side plate 130 is perpendicular to the top plate 150 and the bottom plate 160, meanwhile, the third side plate 130 is perpendicular to the first side plate 110 and the second side plate 120, and two ends of the third side plate body 131 are connected to the first folding portion 112 and the second folding portion 122 respectively. Meanwhile, the size of the second opening of the third side plate body 131 is matched with the door body 6, so that the door body 6 can be arranged on the third side plate body 131, and later-period maintenance of electric parts in the box body can be facilitated through the door body 6. In this embodiment, the width that the third folded part 132 of third curb plate 130 upside was rolled over outward must be greater than the thickness of a body 6, the upper end of the third folded part 132 of both sides also must be greater than the thickness of a body 6 simultaneously, make door body 6 imbed inside the box from this, can effectively avoid door plant upper portion to gather the dust, can effectively avoid the dust to fall inside the box when opening the door and maintaining, nevertheless too much dust can obviously increase the fault probability of electric in the box, from this fault probability through setting up this structure further reduced electric.
A fourth side plate 140 parallel to and spaced apart from the third side plate 130, the fourth side plate 140 including a fourth side plate body 141 and a fourth folded portion 142, the fourth side plate body 141 being perpendicular to the first side plate 110 and the second side plate 120; and both ends thereof are respectively connected with the first folding part 112 and the second folding part 122; a second opening is formed in the fourth side plate body 141, and a fan is arranged at the second opening; the fourth folding part 142 is formed by folding four edge ends of the fourth side plate body 141 towards a direction away from the inside of the box body. Specifically, the fourth side plate 140 is a rectangular plate-shaped structure with a certain thickness and hardness, and is vertically disposed between the top plate 150 and the bottom plate 160, and the fourth side plate 140 is perpendicular to the top plate 150 and the bottom plate 160, and meanwhile, the fourth side plate 140 and the third side plate 130 are disposed opposite to each other and disposed at two ends of the first side plate 110 and the second side plate 120, respectively. That is, the fourth side plate 140 is perpendicular to the first side plate 110 and the second side plate 120, and two ends of the fourth side plate body 141 are connected to the first folding portion 112 and the second folding portion 122. Meanwhile, fans are disposed at the second openings 143 of the fourth side plate body 141, in this embodiment, there are two second openings 143, and there are two fans respectively disposed at the two second openings 143. The fan plays a role in heat dissipation in the box body, and meanwhile, the fan protection cover 11 is further arranged on the outer wall of the fourth side plate body 141 and covers the outside of the fan to protect the fan.
Further, the top plate 150 and the bottom plate 160 are horizontally arranged in parallel; the first side plate 110, the second side plate 120, the third side plate 130, the fourth side plate 140 and the separation plate 3 are vertically arranged between the top plate 150 and the bottom plate 160; the four edge ends of the top plate 150 and the bottom plate 160 are respectively connected with the first folding part 112, the second folding part 122, the third folding part 132, the fourth folding part 142 and the separating folding part 32 by riveting to form the box shell 1; wherein the first chamber 4 is enclosed by the first side plate 110, the second side plate 120, the third side plate 130, the partition plate 3, the top plate 150 and the bottom plate 160; the first side plate 110, the second side plate 120, the fourth side plate 140, the partition plate 3, the top plate 150 and the bottom plate 160 enclose the second chamber 5. Specifically, the bottom plate 160 and the top plate 150 have a rectangular plate-like structure with a certain thickness and hardness, the bottom plate 160 and the top plate 150 have the same size, and the top plate 150 and the bottom plate 160 are horizontally and symmetrically arranged in parallel. Further, a third opening is provided on the top plate 150, and a detachable plate 151 is provided at the third opening, through which the electric elements of the second chamber 5 are conveniently overhauled.
With continued reference to fig. 2 and 4, the four corners of the top end of the cabinet 1 are provided with lifting lugs 8, and each lifting lug 8 comprises a horizontal end and a vertical end, wherein the horizontal end is a third folded part 132 at the upper end of the third side plate 130 and a fourth folded part 142 at the upper end of the fourth side plate 140; the vertical ends are a third folded part 132 at both sides of the third side plate 130 and a fourth folded part 142 at both sides of the fourth side plate 140; the horizontal end and the corresponding vertical end are connected through fillet welding to form the lifting lug 8, and an equipment mounting hole is formed in the horizontal end. Furthermore, a reinforcing rib 9 is arranged at the joint of the horizontal end and the vertical end. The lug 8 can be formed naturally in four positions of box tip to the formula structure of turning up, and the lug 8 position only needs to be done local hanging strengthening rib 9 with the panel beating mode, has advantages such as with low costs, manufacturability good.
As shown in fig. 7 and 8, in the present embodiment, the partition plate 3 is provided with a first heat dissipation hole 33, the door 6 is provided with a second heat dissipation hole 63, and the fourth side plate 140 is provided with a second opening 143, and the first heat dissipation hole 33, the second heat dissipation hole 63, and the second opening 143 are disposed opposite to each other and have the same structure. Through setting up this structure, make the box can carry out effectual heat dissipation.
As shown in fig. 9 and 10, in this embodiment, the power module 2 mainly includes a heat sink 22, a heat dissipation air duct 23, a high connector 24, a low connector 25, a first positioning device 10, a locking device, a guiding device, and electrical components, and the power module 2 is formed by integrating devices such as a voltage sensor, a current sensor, a capacitor, and a driving board on a circuit board by an integrated PCB technology, so that the structural arrangement is greatly simplified, and the light weight can be achieved. The power module 2 has high integration level and no magnetic element, so the power module is easy to maintain. Meanwhile, after the power module 2 is removed, a large operation space is provided inside the case, and electrical components (e.g., sensors, relays, contactors, filters, filter capacitors, etc.) having a secondary probability of failure are disposed on the bottom plate 160 or the side plate body which is easy to operate. Thus, the case does not need to be disassembled when the devices fail. Magnetic element that probability of failure is minimum belongs to third type electrical component, and it has set up in second cavity 5, and the box can be with the help of the convenient dismantlement of fork truck, even magnetic element breaks down, also can be relatively convenient maintenance. Specifically, as shown in fig. 11 and 12, sliding grooves 21 are disposed on both sides of the power module 2, the sliding grooves 21 are disposed corresponding to the sliding rails 7, and the sliding rails 7 are clamped in the sliding grooves 21, so that the power module 2 can be slidably disposed in the first chamber 4. By providing this structure, the push-pull function of the power module 2 is realized. Meanwhile, the rear end of the power module is provided with a first positioning device 10, a second positioning device (not shown in the figure) is correspondingly arranged on the partition plate 3, the power module can slide to an accurate position more accurately through the positioning device, namely, the quick connector on the partition plate 3 is in butt joint with the quick connector on the power module through the positioning device, and then the power module is fixed in the box body through a locking device, wherein the locking device comprises a locking piece 26 and a fixing piece 27. Meanwhile, a gap 12 exists between the bottom of the power module and the bottom plate, and the gap 12 is used for arranging a second electrical component, so that the second electrical component can be arranged on the bottom plate 160 of the box body, and the maintenance is convenient.
In conclusion, the maintenance strategies of the devices in the lower box of the maglev train are distinguished, meanwhile, the inner box structure and the outer box structure are eliminated, but the power module 2 is arranged in the box body and can push and pull the drawer type module, namely, the devices which are easy to damage, generate heat and have light weight are arranged on the power module 2, the electrical components on the power module 2 can be maintained after the power module 2 is pulled out, and meanwhile, the devices which are damaged at the next time have larger maintenance space and are easy to maintain. Meanwhile, only devices which are easy to damage and light in weight are arranged on the power module 2, so that the whole box body and the module are light in weight, and the module is convenient to assemble and disassemble. Furthermore, the invention adopts an outward-turning type fully-riveted box body structure, namely, all plates of the box body are turned outwards to form turning parts and are connected in a riveting mode, the structure guarantees the sealing grade of the box body while giving consideration to the strength, the integral weight is reduced, the size precision is high, and the production working hours are short; and the processing cost is low, the application range is wide, and the manufacturability is good.
Claims (10)
1. A lower box body of a maglev train is characterized by comprising,
the refrigerator comprises a refrigerator shell, a first refrigerator shell and a second refrigerator shell, wherein a first cavity and a second cavity are arranged in the refrigerator shell, and a first opening is formed in the first cavity;
the power module is arranged in the first cavity in a sliding mode and can slide out of the first cavity through the first opening under the action of external force;
an electrical component, the electrical component comprising,
a first type of electrical component that is a high probability of failing electrical component; the first type of electric components are integrated on the same circuit board, and the circuit board is arranged on the power module;
a second type of electrical component, the second type of electrical component being a sub-probabilistically faulty electrical component; the second type of electrical component is arranged on the end face of the box shell;
a third type of electrical component that is an electrical component with a low probability of failure; the third type of electrical component is disposed within the second chamber of the enclosure.
2. The maglev train lower box of claim 1, wherein the box shell comprises,
the first side plate comprises a first side plate body, and four edge ends of the first side plate body are turned towards the direction far away from the interior of the box body to form a first turning part; the first folding parts are perpendicular to the first side plate body;
the second side plate comprises a second side plate body, and four edge ends of the second side plate body are turned towards the direction far away from the interior of the box body to form a second turning part; the second turnover parts are vertical to the second side plate body; the first side plate and the second side plate are arranged oppositely and in parallel.
3. The maglev train lower box body according to claim 2, wherein the box shell includes a divider panel disposed therein, and the divider panel includes,
the four edge ends of the partition plate body are turned towards the same side to form a partition turning part; the separation folding parts of the two side edge ends are respectively connected with the first side plate body and the second side plate body;
and the divider plate divides the cabinet interior into the first and second chambers.
4. A maglev train lower box according to claim 3, wherein the box shell further comprises a third side panel, the third side panel comprising,
a third side plate body perpendicular to the first and second side plates; and both ends of the first folding part are respectively connected with the first folding part and the second folding part; the third side plate body is provided with the first opening, and the first opening is provided with a door body;
the third folding part is formed by folding the four edge ends of the third side plate body towards the direction far away from the interior of the box body, and the width of the third folding part is larger than the thickness of the door body, so that the door body can be embedded into the third side plate.
5. A maglev train lower box according to claim 4, wherein the box housing further comprises a fourth side panel disposed parallel to and spaced from the third side panel, the fourth side panel comprising,
a fourth side plate body perpendicular to the first and second side plates; and both ends of the first folding part are respectively connected with the first folding part and the second folding part;
and the fourth turnover part is formed by turning over four edge ends of the fourth side plate body towards the direction far away from the interior of the box body.
6. The lower box body of a magnetic-levitation train as recited in claim 5, wherein the box shell further comprises a top plate and a bottom plate, the top plate and the bottom plate being horizontally arranged in parallel;
the first side plate, the second side plate, the third side plate, the fourth side plate and the partition plate are vertically arranged between the top plate and the bottom plate;
the top plate and the bottom plate are respectively connected with the first folding part, the second folding part, the third folding part, the fourth folding part and the separating folding part through riveting to form the box shell;
the first chamber is enclosed by the first side plate, the second side plate, the third side plate, the partition plate, the top plate and the bottom plate; the second chamber is enclosed by a second side plate of the first side plate, a second side plate of the fourth side plate, a partition plate, a top plate and a bottom plate.
7. The lower box body of a magnetic-levitation train as recited in claim 2, wherein two slide rails are arranged in the box shell in an opposite and parallel manner,
the inner walls of the first side plate body and the second side plate body are respectively and horizontally provided with a sliding rail, the two sliding rails are arranged oppositely and parallelly, and the sliding rails extend from one end of the first cavity to the other end of the first cavity along the length direction of the first side plate body and the second side plate body;
the two sides of the power module are provided with sliding grooves, the sliding grooves correspond to the sliding rails, and the sliding rails are clamped in the sliding grooves, so that the power module can be arranged in the first cavity in a sliding mode.
8. The lower box body of a magnetic-levitation train as recited in claim 3, wherein the power module is provided with a first positioning device, and the partition plate is provided with a second positioning device; when the power module slides into the first cavity, the first positioning device is connected with the second positioning device.
9. The lower box body of the magnetic-levitation train as recited in claim 5, wherein lifting lugs are arranged at four corners of the top end of the box shell, each lifting lug comprises a horizontal end and a vertical end, and the horizontal end is a third folding part at the upper end of the third side plate and a fourth folding part at the upper end of the fourth side plate; the vertical ends are a third folding part at two sides of the third side plate and a fourth folding part at two sides of the fourth side plate; the horizontal end and the corresponding vertical end are connected through fillet welding to form the lifting lug, and an equipment mounting hole is formed in the horizontal end.
10. The lower box body of a magnetic-levitation train as recited in claim 9, wherein a reinforcing rib is provided at the junction of the horizontal end and the vertical end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923841.5A CN111976752A (en) | 2020-09-04 | 2020-09-04 | Lower box body of magnetic-levitation train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923841.5A CN111976752A (en) | 2020-09-04 | 2020-09-04 | Lower box body of magnetic-levitation train |
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| CN111976752A true CN111976752A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010923841.5A Pending CN111976752A (en) | 2020-09-04 | 2020-09-04 | Lower box body of magnetic-levitation train |
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| CN (1) | CN111976752A (en) |
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