CN211017919U

CN211017919U - Modular box-type substation

Info

Publication number: CN211017919U
Application number: CN202020031662.6U
Authority: CN
Inventors: 马文庆
Original assignee: Urumqi Guangda Electrical Appliance Manufacturing Co ltd
Current assignee: Urumqi Guangda Electrical Appliance Manufacturing Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-07-14
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a box-type substation technical field is a modularization box-type substation, and it includes base assembly, roof assembly and the board post subassembly that can assemble, and base assembly, roof assembly and board post subassembly pass through the bolt and can dismantle the connection and constitute the transformer substation box, the board post subassembly includes corner post module, curb plate module, center pillar module and door plant module, and the lower extreme of corner post module, curb plate module, center pillar module is equipped with the connection hypoplastron of taking the bolt hole respectively. The utility model has the advantages of reasonable and compact structure, convenient to use, the connection hypoplastron at both ends about its corner post module, curb plate module, center pillar module, connect the upper plate respectively through bolt fixed connection base assembly and roof assembly, can conveniently realize the transportation of disassembling of transformer substation to can be in the field assembly, transformer substation's box equipment convenient and fast, it is short to make the construction cycle, has that production efficiency is high, area is little, and the equipment back expansibility is better, laborsaving, simple and convenient, efficient characteristics.

Description

Modular box-type substation

Technical Field

The utility model relates to a box-type substation technical field is a modularization box-type substation.

Background

The box-type substation, also called a pre-installed substation, also called a combined substation, is a pre-installed substation assembled into a whole according to a certain wiring mode, and comprises primary equipment, secondary equipment, an alternating current and direct current system, metering equipment, communication equipment and the like, and is widely applied due to the advantages of strong environmental adaptability, compact structure, flexible combination, convenience in transportation and migration, convenience in installation, short construction period, low operating cost, small occupied area, no pollution, safety and reliability in operation, no maintenance and the like. At present, box-type substations are more and more in variety and different in performance, but are mostly manufactured in a mode of welding angle steel and plates, or a structure of welding a framework and then installing a detachable box plate is adopted, but by adopting the structure, the box-type substations are large in production occupied area, low in production efficiency, incapable of being disassembled and transported after the framework is welded and formed, incapable of being assembled on site, poor in universality and expansibility of boxes, long in box assembly period, and generally not less than 3 days in assembly time, and the manufactured box-type substations are heavy, high in production cost, large in production difficulty and incapable of realizing mass production.

Disclosure of Invention

An object of the utility model is to provide a modularization box-type substation has overcome above-mentioned prior art not enough, and it can effectively solve current box-type substation because of the manufacturing inefficiency that weld forming leads to, can't disassemble transportation, commonality poor, unable on-the-spot equipment, the longer problem of box construction cycle.

The utility model aims at realizing that a modularization box-type substation, including base assembly, roof assembly and the board post subassembly that can assemble, base assembly, roof assembly and board post subassembly can dismantle the connection through the bolt and constitute the transformer substation box, the board post subassembly includes angle post module, curb plate module, center pillar module and door plant module, the lower extreme of angle post module, curb plate module, center pillar module is equipped with the connection hypoplastron that takes the bolt hole respectively, the upper end of angle post module, curb plate module, center pillar module is equipped with the connection upper plate that takes the bolt hole respectively, angle post module, curb plate module, center pillar module are through connecting hypoplastron and bolt fixed mounting in base assembly upper end, the horizontal cross-section of angle post module is L form, the both ends side of angle post module, the both ends side of curb plate module, the both ends side of center pillar module is fixed with the connection riser that takes the bolt hole respectively, be in the same place through connecting riser and bolt fixed mounting between the angle post module, door plant module passes through hinged joint mount on angle post module or center pillar module, the curb plate assembly passes through connecting the connection upper end of bolt fixed mounting at angle post module, curb plate.

Furthermore, the middle parts of the inner side surfaces of the side plate module and the door panel module are respectively provided with at least two transverse reinforcing square tubes; or/and the inner sides of the connecting vertical plates at the two ends of the corner post module and the inner sides of the connecting vertical plates at the two ends of the middle post module are respectively turned over towards the left side and the right side to form vertical plate turned edges, and the vertical plate turned edges and the connecting vertical plates form a ninety-degree angle; and/or vertical decorative strips are riveted and fixed on the outer side surfaces of the corner column module, the side plate module, the center column module and the door panel module respectively.

Further, the base assembly comprises a base frame, a high-pressure seat module, a variable-pressure seat module and a low-pressure seat module, wherein the upper ends of the high-pressure seat module, the variable-pressure seat module and the low-pressure seat module are planes, the high-pressure seat module and the variable-pressure seat module, the outside lower extreme of low pressure seat module is equipped with the connection curb plate of taking the bolt hole respectively, high pressure seat module, vary voltage seat module, low pressure seat module through connect curb plate and bolt fastening in base frame and keep the parallel and level with base frame upper end, the right side lower extreme of high pressure seat module, the left side lower extreme of varying voltage seat module, the right side lower extreme of varying voltage seat module, the left side lower extreme of low pressure seat module is equipped with the connection riser of taking the bolt hole respectively, high pressure seat module right side and the left connection riser of varying voltage seat module pass through bolt fixed connection and be in the same place, vary voltage seat module right side and the left connection riser of low pressure seat module pass through bolt fixed connection and be in the same place.

Furthermore, a high-pressure chamber partition plate is arranged at the edge position corresponding to the right side of the high-pressure seat module, a low-pressure chamber partition plate is arranged at the edge position corresponding to the left side of the low-pressure seat module, and an inner cavity of the transformer substation box body is partitioned to form a high-pressure chamber, a transformer chamber and a low-pressure chamber; the front end of the high-pressure chamber partition plate is provided with a screw hole and is fixedly arranged on a connecting vertical plate of the middle column module at a corresponding position through a bolt, the rear end of the high-pressure chamber partition plate is provided with a partition plate folding edge with the screw hole, and the partition plate folding edge is fixedly arranged on a side plate module or the middle column module at the corresponding position through a stainless steel rivet bolt; the rear end of the low-pressure chamber partition plate is provided with a screw hole and is fixedly installed on the connecting vertical plate of the center pillar module at the corresponding position through a bolt, the front end of the low-pressure chamber partition plate is provided with a partition plate folding edge with the screw hole, and the partition plate folding edge is fixedly installed on the side plate module or the center pillar module at the corresponding position through a stainless steel rivet bolt.

Further, a door hole is formed between the two corner post modules, or a door hole is formed between the two center post modules, or a door hole is formed between the corner post module and the center post module, a lower frame module is arranged corresponding to the lower end of the door hole, an upper frame module is arranged corresponding to the upper end of the door hole, the left and right ends of the lower frame module and the upper frame module are fixed on the corner post modules or the middle post modules at the left and right sides through bolts, the hinge is a hinge with the inner side fixed with the bolt, the hinge is fixedly arranged on the corner post module or the middle post module and the door panel module through bolts, the inner side of the lower end of the door panel module is fixedly provided with a limiting guide seat with a guide groove, the lower frame module corresponding to the side end position of the limit guide seat close to the hinge is fixed with a connecting rod hinge seat and is hinged with a guide pin connecting rod, the end part of the guide pin connecting rod is provided with a limit guide pin, and the limit guide pin is arranged in a guide groove of the limit guide seat and can slide along the guide groove.

Further, the roof assembly includes left top module, right top module, preceding top module and back top module, and left top module, right top module are triangle-shaped, and preceding top module, back top module are the rectangle, and the inboard of left top module, right top module, preceding top module and back top module is equipped with the connection gusset of taking the bolt hole, and left top module, right top module, preceding top module, back top module are in the same place through connecting gusset and bolt fixed connection.

Further, the left side and the right side of the front side and the left side and the right side of the rear side of the base assembly are respectively provided with a base hanger, and the left side and the right side of the front side and the left side and the right side of the rear side of the top plate assembly are respectively provided with a top plate lifting lug.

The utility model has the advantages of reasonable and compact structure, convenient to use, the connection hypoplastron at both ends about its corner post module, curb plate module, center pillar module, connect the upper plate respectively through bolt fixed connection base assembly and roof assembly, can conveniently realize the transportation of disassembling of transformer substation to can be in the field assembly, transformer substation's box equipment convenient and fast, it is short to make the construction cycle, has that production efficiency is high, area is little, and the equipment back expansibility is better, laborsaving, simple and convenient, efficient characteristics.

Drawings

The specific structure of the utility model is given by the following drawings and embodiments:

FIG. 1 is a schematic horizontal sectional structural view of a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of the preferred embodiment of the present invention;

fig. 4 is a left side view schematically illustrating the structure of the preferred embodiment of the present invention.

Legend: 1. the base assembly, 2, the roof assembly, 3, the corner post module, 4, the curb plate module, 5, the center pillar module, 6, the door plant module, 7, connect the hypoplastron, 8, connect the riser, 9, the riser turn-ups, 10, high-pressure seat module, 11, vary voltage seat module, 12, low-pressure seat module, 13, the lower frame module, 14, the upper frame module, 15, the hinge, 16, spacing guide seat, 17, the connecting rod free bearing, 18, the guide pin connecting rod, 19, spacing guide pin, 20, the high-pressure chamber baffle, 21, the low-pressure chamber baffle, 22, the baffle hem, 23, stainless steel rivet bolt, 24, the base is hung, 25, the roof lug.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

The embodiment is that as shown in fig. 1-4, the modularized box-type substation comprises a base assembly 1, a roof assembly 2 and plate column components which can be assembled, the base assembly 1, the roof assembly 2 and the plate column components are detachably connected through bolts to form a substation box body, the plate column components comprise an angle column module 3, a side plate module 4, a center column module 5 and a door panel module 6, the lower ends of the angle column module 3, the side plate module 4 and the center column module 5 are respectively provided with a connecting lower plate 7 with bolt holes, the upper ends of the angle column module 3, the side plate module 4 and the center column module 5 are respectively provided with an connecting upper plate with bolt holes, the angle column module 3, the side plate module 4 and the center column module 5 are fixedly installed at the upper end of the base assembly 1 through the connecting lower plate 7 and bolts, the horizontal section of the angle column module 3 is L-shaped, the side surfaces at the two ends of the angle column module 3, the side surfaces at the two ends of the side plate module 4 and the side surfaces at the center column module 5 are respectively fixed with connecting vertical plates 8 with bolt holes, the connecting vertical plates 3, the door panel module 4 and the side plates are respectively fixed through the connecting upper plate module 5 and the connecting lower plate module 5, the hinge modules are installed together, the upper end of the substation box body module 3, the substation box body module and the substation box body components, the substation box body assembly can be conveniently assembled, the substation box body assembly can be assembled, the substation box body assembly can be assembled quickly and the substation box body assembly, the substation box body assembly can be assembled on-type substation box body assembly, the substation box.

As shown in fig. 1 and 2, the middle parts of the inner side surfaces of the side plate module 4 and the door panel module 6 are respectively provided with at least two transverse reinforcing square pipes. The strength of the side plate module 4 and the door panel module 6 can be effectively improved through the transverse reinforcing square pipe, and the weight of the side plate module 4 and the weight of the door panel module 6 are lighter.

As shown in fig. 1-2, the inner sides of the connecting vertical plates 8 at the two ends of the corner post module 3 and the inner sides of the connecting vertical plates 8 at the two ends of the center post module 5 are respectively turned over to the left and right sides to form vertical plate flanges 9, and the vertical plate flanges 9 and the connecting vertical plates 8 form a ninety-degree angle. Through ninety degrees riser turn-ups 9 can make the connection riser 8 at angle post module 3 and center pillar module 5 both ends be the angle steel form, and bearing bending resistance is stronger, and structural strength is better, and riser turn-ups 9 can also make the connection riser 8 of the curb plate module 4 rather than combining realize quick location simultaneously, and the installation matched stack is convenient and fast more.

As shown in fig. 3 to 4, vertical decorative strips are riveted to the outer side surfaces of the corner post module 3, the side panel module 4, the center post module 5, and the door panel module 6, respectively. Can play the decorative action through increasing vertical ornamental strip on the one hand and beautify the box of transformer substation, on the other hand can further strengthen the intensity of corner post module 3, curb plate module 4, center pillar module 5 and door plant module 6.

As shown in fig. 1, the base assembly 1 includes a base frame, a high pressure seat module 10, a variable pressure seat module 11 and a low pressure seat module 12, the upper ends of the high pressure seat module 10, the variable pressure seat module 11 and the low pressure seat module 12 are flat, the high pressure seat module 10 and the variable pressure seat module 11, the outside lower extreme of low pressure seat module 12 is equipped with the connection curb plate of taking the bolt hole respectively, high pressure seat module 10, vary voltage seat module 11, low pressure seat module 12 keeps the parallel and level through connecting curb plate and bolt fastening in the base frame and with base frame upper end, high pressure seat module 10's right side lower extreme, vary voltage seat module 11's left side lower extreme, vary voltage seat module 11's right side lower extreme, low pressure seat module 12's left side lower extreme is equipped with the connection riser of taking the bolt hole respectively, high pressure seat module 10 right side and the left connection riser of vary voltage seat module 11 pass through bolt fixed connection together, vary voltage seat module 11 right side and the left connection riser of low pressure seat module 12 pass through bolt fixed connection together. Through high-voltage seat module 10, vary voltage seat module 11 and low-voltage seat module 12, can realize the modularization of not unidimensional low-voltage chamber, high-voltage chamber, transformer room according to actual demand and assemble, it is more convenient to assemble the constitution.

As shown in fig. 1, a high-pressure chamber partition plate 20 is disposed at a position corresponding to a right edge of the high-pressure seat module 10, a low-pressure chamber partition plate 21 is disposed at a position corresponding to a left edge of the low-pressure seat module 12, and an inner cavity of the transformer substation box is partitioned to form a high-pressure chamber, a transformer chamber and a low-pressure chamber, a partition plate through hole communicating the high-pressure chamber with the transformer chamber is disposed at a lower portion of the high-pressure chamber partition plate 20, and a partition plate through hole communicating the transformer chamber with the low-pressure chamber is disposed; the front end of the high-pressure chamber partition plate 20 is provided with a screw hole and is fixedly arranged on the connecting vertical plate 8 of the middle column module 5 at the corresponding position through a bolt, the rear end of the high-pressure chamber partition plate 20 is provided with a partition plate folding edge 22 with the screw hole, and the partition plate folding edge 22 is fixedly arranged on the side plate module 4 or the middle column module 5 at the corresponding position through a stainless steel rivet bolt 23; the rear end of the low-pressure chamber partition plate 21 is provided with a screw hole and is fixedly installed on the connecting vertical plate 8 of the center pillar module 5 at the corresponding position through a bolt, the front end of the low-pressure chamber partition plate 21 is provided with a partition plate folding edge 22 with the screw hole, and the partition plate folding edge 22 is fixedly installed on the side plate module 4 or the center pillar module 5 at the corresponding position through a stainless steel rivet bolt 23.

As shown in fig. 1 and 2, a door hole is formed between two corner post modules 3, or a door hole is formed between two center post modules 5, or a door hole is formed between a corner post module 3 and a center post module 5, a lower frame module 13 is provided corresponding to the lower end position of the door hole, an upper frame module 14 is provided corresponding to the upper end position of the door hole, the left and right ends of the lower frame module 13 and the upper frame module 14 are fixed on the corner post module 3 or the center post module 5 on the left and right sides by bolts, the hinge is a hinge 15 with a bolt fixed inside, the hinge 15 is fixedly installed on the corner post module 3 or the center post module 5 and the door panel module 6 by bolts, a limit guide seat 16 with a guide slot is fixed on the inner side of the lower end of the door panel module 6, a connecting rod hinge seat 17 is fixed on the lower frame module 13 corresponding to the position of the limit guide seat 16 near the side end of the hinge 15 and is hinged with, the limit guide pin 19 is installed in and can slide along the guide groove of the limit guide seat 16. The lower frame module 13 is preferably provided with a lower connecting plate and is arranged on the base assembly 1 through a bolt, the upper frame module 14 is preferably provided with an upper connecting plate and is arranged on the top plate assembly 2 through a bolt, and the door panel module 6 can be supported and guided to rotate through the guide pin connecting rod 18 and the limiting guide pin 19, so that the accidental stress of the hinge 15 for fixing the bolt due to overlarge rotating angle of the door panel module 6 is avoided, the door is opened and closed more smoothly, and the service life of the door is effectively prolonged; in addition, a box transformer substation door lock with a padlock hole can be further installed on the door panel module 6.

According to actual need, roof assembly 2 includes left top module, right top module, preceding top module and back top module, and left top module, right top module are triangle-shaped, and preceding top module, back top module are the rectangle, and the inboard of left top module, right top module, preceding top module and back top module is equipped with the connection gusset of taking the bolt hole, and left top module, right top module, preceding top module, back top module are in the same place through connecting gusset and bolt fixed connection. Through detachable roof assembly 2, be convenient for carry and store after the split becomes four modules, it is also comparatively convenient to assemble at the scene.

As shown in fig. 1 and 3, the base hanger 24 is provided on the front left and right sides and the rear left and right sides of the base assembly 1, and the top plate hanger 25 is provided on the front left and right sides and the rear left and right sides of the top plate assembly 2. When the base hanger 24 is used for assembly and transportation, the base assembly 1 can be simply and easily lifted; when the roof lifting lugs 25 are used for assembling and carrying, the roof assembly 2 can be simply and easily lifted, and the operation is more convenient.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present invention. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A modularized box-type substation is characterized by comprising a base assembly, a top plate assembly and a plate column assembly capable of being assembled, wherein the base assembly, the top plate assembly and the plate column assembly are detachably connected through bolts to form a substation box body, the plate column assembly comprises an angle column module, a side plate module, a center column module and a door plate module, the lower ends of the angle column module, the side plate module and the center column module are respectively provided with a connecting lower plate with a bolt hole, the upper ends of the angle column module, the side plate module and the center column module are respectively provided with an upper connecting plate with a bolt hole, the angle column module, the side plate module and the center column module are fixedly arranged at the upper end of the base assembly through the connecting lower plate and the bolts, the horizontal cross section of the angle column module is L-shaped, the two end side surfaces of the angle column module, the two end side surfaces of the side plate module and the two end side surfaces of the center column module are respectively fixed with a connecting vertical plate with a bolt hole, the angle column module, the side plate module, the center column module and the center column module are fixedly arranged together through the connecting vertical plate.

2. The modular substation cabinet of claim 1, wherein: the middle parts of the inner side surfaces of the side plate module and the door panel module are respectively provided with at least two transverse reinforcing square tubes; or/and the inner sides of the connecting vertical plates at the two ends of the corner post module and the inner sides of the connecting vertical plates at the two ends of the middle post module are respectively turned over towards the left side and the right side to form vertical plate turned edges, and the vertical plate turned edges and the connecting vertical plates form a ninety-degree angle; and/or vertical decorative strips are riveted and fixed on the outer side surfaces of the corner column module, the side plate module, the center column module and the door panel module respectively.

3. A modular substation according to claim 1 or 2, characterized in that: the base assembly comprises a base frame, a high-pressure seat module, a variable-pressure seat module and a low-pressure seat module, wherein the upper ends of the high-pressure seat module, the variable-pressure seat module and the low-pressure seat module are planes, the high-pressure seat module and the variable-pressure seat module, the outside lower extreme of low pressure seat module is equipped with the connection curb plate of taking the bolt hole respectively, high pressure seat module, vary voltage seat module, low pressure seat module through connect curb plate and bolt fastening in base frame and keep the parallel and level with base frame upper end, the right side lower extreme of high pressure seat module, the left side lower extreme of varying voltage seat module, the right side lower extreme of varying voltage seat module, the left side lower extreme of low pressure seat module is equipped with the connection riser of taking the bolt hole respectively, high pressure seat module right side and the left connection riser of varying voltage seat module pass through bolt fixed connection and be in the same place, vary voltage seat module right side and the left connection riser of low pressure seat module pass through bolt fixed connection and be in the same place.

4. A modular substation cabinet according to claim 3, characterized in that: a high-pressure chamber partition plate is arranged at the edge position corresponding to the right side of the high-pressure seat module, a low-pressure chamber partition plate is arranged at the edge position corresponding to the left side of the low-pressure seat module, and an inner cavity of the transformer substation box body is partitioned into a high-pressure chamber, a transformer chamber and a low-pressure chamber; the front end of the high-pressure chamber partition plate is provided with a screw hole and is fixedly arranged on a connecting vertical plate of the middle column module at a corresponding position through a bolt, the rear end of the high-pressure chamber partition plate is provided with a partition plate folding edge with the screw hole, and the partition plate folding edge is fixedly arranged on a side plate module or the middle column module at the corresponding position through a stainless steel rivet bolt; the rear end of the low-pressure chamber partition plate is provided with a screw hole and is fixedly installed on the connecting vertical plate of the center pillar module at the corresponding position through a bolt, the front end of the low-pressure chamber partition plate is provided with a partition plate folding edge with the screw hole, and the partition plate folding edge is fixedly installed on the side plate module or the center pillar module at the corresponding position through a stainless steel rivet bolt.

5. A modular substation according to claim 1 or 2, characterized in that: the hinge is a hinge with a bolt fixed on the inner side, the hinge is fixedly arranged on the corner column module or the middle column module and the door panel module through the bolt, a limiting guide seat with a guide groove is fixed on the lower frame module close to the side end position of the hinge, a connecting rod hinged seat is hinged to the lower frame module and provided with a guide pin connecting rod, the end part of the guide pin connecting rod is provided with a limiting guide pin, and the limiting guide pin is arranged in the guide groove of the limiting guide seat and can slide along the guide groove.

6. A modular substation cabinet according to claim 3, characterized in that: the hinge is a hinge with a bolt fixed on the inner side, the hinge is fixedly arranged on the corner column module or the middle column module and the door panel module through the bolt, a limiting guide seat with a guide groove is fixed on the lower frame module close to the side end position of the hinge, a connecting rod hinged seat is hinged to the lower frame module and provided with a guide pin connecting rod, the end part of the guide pin connecting rod is provided with a limiting guide pin, and the limiting guide pin is arranged in the guide groove of the limiting guide seat and can slide along the guide groove.

7. The modular substation cabinet of claim 4, wherein: the hinge is a hinge with a bolt fixed on the inner side, the hinge is fixedly arranged on the corner column module or the middle column module and the door panel module through the bolt, a limiting guide seat with a guide groove is fixed on the lower frame module close to the side end position of the hinge, a connecting rod hinged seat is hinged to the lower frame module and provided with a guide pin connecting rod, the end part of the guide pin connecting rod is provided with a limiting guide pin, and the limiting guide pin is arranged in the guide groove of the limiting guide seat and can slide along the guide groove.

8. A modular substation according to claim 1 or 2 or 4 or 6 or 7, characterized in that: the top plate assembly comprises a left top module, a right top module, a front top module and a rear top module, the left top module and the right top module are triangular, the front top module and the rear top module are rectangular, connecting rib plates with bolt holes are arranged on the inner sides of the left top module, the right top module, the front top module and the rear top module, and the left top module, the right top module, the front top module and the rear top module are fixedly connected together through the connecting rib plates and the bolts; or/and the left side and the right side of the front side and the left side and the right side of the rear side of the base assembly are respectively provided with a base hanger, and the left side and the right side of the front side and the left side and the right side of the rear side of the top plate assembly are respectively provided with a top plate lifting lug.

9. A modular substation cabinet according to claim 3, characterized in that: the top plate assembly comprises a left top module, a right top module, a front top module and a rear top module, the left top module and the right top module are triangular, the front top module and the rear top module are rectangular, connecting rib plates with bolt holes are arranged on the inner sides of the left top module, the right top module, the front top module and the rear top module, and the left top module, the right top module, the front top module and the rear top module are fixedly connected together through the connecting rib plates and the bolts; or/and the left side and the right side of the front side and the left side and the right side of the rear side of the base assembly are respectively provided with a base hanger, and the left side and the right side of the front side and the left side and the right side of the rear side of the top plate assembly are respectively provided with a top plate lifting lug.

10. The modular substation cabinet of claim 5, wherein: the top plate assembly comprises a left top module, a right top module, a front top module and a rear top module, the left top module and the right top module are triangular, the front top module and the rear top module are rectangular, connecting rib plates with bolt holes are arranged on the inner sides of the left top module, the right top module, the front top module and the rear top module, and the left top module, the right top module, the front top module and the rear top module are fixedly connected together through the connecting rib plates and the bolts; or/and the left side and the right side of the front side and the left side and the right side of the rear side of the base assembly are respectively provided with a base hanger, and the left side and the right side of the front side and the left side and the right side of the rear side of the top plate assembly are respectively provided with a top plate lifting lug.