CN111267712A - Refrigerator car - Google Patents

Refrigerator car Download PDF

Info

Publication number
CN111267712A
CN111267712A CN202010110866.3A CN202010110866A CN111267712A CN 111267712 A CN111267712 A CN 111267712A CN 202010110866 A CN202010110866 A CN 202010110866A CN 111267712 A CN111267712 A CN 111267712A
Authority
CN
China
Prior art keywords
parts
assembly
bottom plate
refrigerator
car
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010110866.3A
Other languages
Chinese (zh)
Inventor
徐志强
任毅斌
宋小雨
胡国强
刘云刚
黄东男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aluminum Material Application Institute Co ltd
Original Assignee
China Aluminum Material Application Institute Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aluminum Material Application Institute Co ltd filed Critical China Aluminum Material Application Institute Co ltd
Priority to CN202010110866.3A priority Critical patent/CN111267712A/en
Publication of CN111267712A publication Critical patent/CN111267712A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/20—Refrigerated goods vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
    • B62D23/005—Combined superstructure and frame, i.e. monocoque constructions with integrated chassis in the whole shell, e.g. meshwork, tubes, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/026—Connections by glue bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/06—Connections between superstructure or understructure sub-units readily releasable
    • B62D27/065—Connections between superstructure or understructure sub-units readily releasable using screwthread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
    • B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A refrigerator car comprises a car body and a car head, wherein the car body comprises an underframe and a refrigerator car body; the refrigerator car provided by the invention has small dead weight and increased bearing capacity, and effectively solves the problem that the whole car is unstable due to the fact that the refrigerator car inclines because the structure bears overlarge moment when the refrigerator car turns.

Description

Refrigerator car
Technical Field
The invention relates to a pure electric vehicle, in particular to a refrigerator car.
Background
The pure electric refrigerator car has the advantages of being quiet, energy-saving, zero-emission and the like, and is more and more attracted by people, however, the existing pure electric refrigerator car mainly comprises an independent carriage and a main frame structure, the refrigerator carriage is fixed on the main frame through a riding bolt, so that the height and the mass center of the car are higher, and the car is easy to incline due to overlarge moment borne by the whole car structure during steering, so that the whole car is unstable; on the other hand, the main frame is made of steel materials at present, and the main frame has the defect that the dead weight of the structure is too heavy, and the loaded goods are relatively few on the premise that the endurance mileage is kept fixed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a refrigerator car.
The technical scheme provided by the invention is as follows:
a refrigerator car comprises a carriage body and a car head, wherein the carriage body comprises an underframe and a refrigerator carriage;
the chassis comprises a bottom plate beam framework assembly supporting the bottom plate beam framework assembly, wheel upper beam assemblies symmetrically arranged on two sides of the bottom plate beam framework assembly, a vehicle head frame assembly connected with the bottom plate beam framework assembly, a front battery support assembly located between rear wheels and the front vehicle frame assembly, and a chassis rear battery support assembly located at the tail of the bottom plate beam framework assembly.
Further, the refrigerated compartment comprises a bottom plate, a top plate fixed by a rectangular top beam, a front plate, a rear plate, a left side plate and a right side plate, wherein the front plate and the rear plate are fixed by corner posts below the top beam;
the side plates are provided with door plates, and two sides of each door plate are provided with stand columns.
Furthermore, the corner post is in threaded connection with the top beam through a connector, and the upright post and the corner post are in threaded connection with the bottom plate beam skeleton assembly through a connector.
Further, the compartment also comprises an air conditioning system, a refrigerator and a water pump;
the refrigerator is welded outside the carriage and connected with the water pump, a spring is arranged between the bottom plate assembly and the bottom of the carriage, a first switch and a second switch are respectively arranged from the tail part to the head part of the carriage, and a first bulge and a second bulge which are matched with the first switch and the second switch are respectively arranged on the bottom plate assembly;
the first switch is electrically connected with an air conditioning system, and the second switch is electrically connected with the refrigerator; and a plurality of air bags capable of shielding the car door are arranged at the positions on two sides of the car door in the carriage.
Furthermore, the wheel upper beam assembly is connected with the front battery bracket assembly and the rear battery bracket assembly through the connectors.
Furthermore, the bottom plate girder framework assembly comprises two main section longitudinal girders penetrating through the front and the rear and a cross girder welded with the two main section longitudinal girders.
Further, heat insulation plates with outer tin foil layers and middle heat insulation layers are arranged on the underframe and in the carriage, and the heat insulation layers comprise the following components in parts by mass: 100-105 parts of diphenylmethane diisocyanate, 95-100 parts of multi-component polyether polyol, 1.5-2.5 parts of a foam stabilizer, 10-20 parts of a foaming agent, 8-10 parts of a flame retardant, 15-18 parts of modified polyimide and 0.8-1.4 parts of a catalyst.
Further, the carriage is made of the following materials in percentage by mass: 1.2 to 2.2 percent of Mg, 0.8 to 1.5 percent of Si, 0.1 to 0.3 percent of Fe, 0.2 to 0.8 percent of Mn, 0.2 to 0.5 percent of Cu, 0.05 to 0.2 percent of Zr, 0.01 to 0.5 percent of Cr, 0.05 to 0.2 percent of La0.05, less than or equal to 0.2 percent of Zn, less than or equal to 0.1 percent of Ti, and the balance of Al and impurities.
Further, the underframe is made of the following materials in parts by mass: 18-36 parts of Mg, 18-36 parts of Al, 78-12 parts of Si6, 6-12 parts of Fe, 2-4 parts of Cu, 0.1-0.3 part of Mn, 0.1-0.3 part of Cr, 0.1-0.3 part of Zn, 0.1-0.3 part of Ti and 0.1-0.3 part of Zr.
Compared with the closest prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the refrigerator car provided by the invention is of an all-aluminum frame structure, the quality of the whole car is greatly reduced, the endurance mileage can be maintained, the cargo capacity can be improved, and the refrigerator car is energy-saving and environment-friendly.
(2) The refrigerator car provided by the invention has the advantages that the various profiles are mainly connected through the joints, the refrigerator car is of a full-bearing structure and does not contain an auxiliary frame, the height and the mass center of the car are effectively reduced, and the phenomenon of side inclination caused by overlarge moment borne by the whole car structure during steering is prevented.
(3) The refrigerator car provided by the invention adopts a three-layer type heat insulation material, so that the freezing efficiency of the refrigerator car is effectively improved, and the transportation of articles is greatly facilitated.
Drawings
FIG. 1 is a front view of a refrigerated vehicle provided by the present invention;
FIG. 2 is an isometric view of a refrigerated vehicle provided by the present invention;
FIG. 3 is an isometric view of a refrigerated vehicle compartment provided by the present invention;
FIG. 4 is an isometric view of a refrigerated truck provided by the present invention;
FIG. 5 is a partial view of the connection of the body and the roof of the refrigerated vehicle provided by the present invention;
FIG. 6 is a partial view of the side door and roof attachment of the refrigerated vehicle provided by the present invention;
FIG. 7 is a partial view of the structural connection of the right rear corner post to the underframe of the refrigerated vehicle compartment provided by the present invention;
FIG. 8 is a fragmentary view of the side door and right front corner post of the refrigerated vehicle compartment provided in accordance with the present invention attached to the underframe;
FIG. 9 is an interior view of a refrigerated vehicle compartment provided by the present invention;
1 carriage, 111 second switch, 112 first switch, 113 bump, 12 air conditioning system, 13 bottom plate, 131 second bump, 132 first bump, 14 refrigerator, 15 water pump, 16 motor, 161 screw rod, 162 push plate, 163 conveying frame, 17 air bag, 18 spring, 1-1 left rear corner column, 1-2 right rear corner column, 1-3 right front corner column, 1-4 front top cross beam, 1-5 right top longitudinal beam, 1-6 left top longitudinal beam, 1-7 rear top cross beam, 1-8 side door rear upright post, 1-9 side door front upright post, 1-10 rear top right corner transverse connecting joint, 1-11 rear top right corner longitudinal connecting joint, 1-12 side door upright post and bottom frame connecting joint a, 1-13 side door upright post and right top longitudinal beam connecting joint a, 1-14 side door upright post and right top longitudinal beam connecting joint b, 1-15 left front corner column, 1-12 side door upright post and bottom frame connecting joint a, 1-13 side door upright post and right top longitudinal beam connecting joint a, 1-, 1-16 front top left corner connecting joint a, 1-17 side door upright post and right top longitudinal beam connecting joint b, 1-18 top plate, 1-19 rear door plate, 1-20 right side wall rear plate, 1-21 right side wall front plate, 1-22 right side door plate, 1-23 side door upright post and underframe connecting joint b, 1-24 rear surrounding lock rod, 1-25 rear top left corner connecting joint a, 1-26 rear top left corner connecting joint b, 1-27 front top right corner connecting joint a, 1-28 front top right corner connecting joint b, 2 underframe, 2-1 rear battery support assembly, 2-2 front battery support assembly, 2-3 right wheel upper beam assembly, 2-4 left wheel upper beam assembly, 2-5 bottom plate beam framework assembly, 2-6 front frame assembly, 2-7 bottom plate assembly, 2-8 aluminum profile connecting joints.
Detailed Description
The technical solutions provided by the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the present invention, and not all of it.
In order to overcome the defects of the existing refrigerator car in two aspects of structural design and material selection, the invention provides a refrigerator car which comprises a car body and a car head, wherein the car body comprises an underframe 13 and a refrigerator car 1 as shown in figures 1-2; as shown in fig. 4, the chassis includes a bottom plate beam skeleton assembly 2-5 supporting the bottom plate assembly, wheel upper beam assemblies symmetrically arranged at both sides of the bottom plate beam skeleton assembly 2-5, a front frame assembly 2-6 connected with the bottom plate beam skeleton assembly 2-5, a front battery support assembly 2-2 positioned between the rear wheel and the front frame assembly 2-6, and a chassis rear battery support assembly 2-1 positioned at the tail of the bottom plate beam skeleton assembly 2-5. As shown in fig. 3, the refrigerator compartment includes a bottom plate 13, top plates 1 to 18 fixed by rectangular top beams, front and rear plates and left and right side plates fixed by corner posts below the top beams; the side plates are provided with door plates, and two sides of each door plate are provided with stand columns. The corner post is in threaded connection with the top beam through a connector, and the upright post and the corner post are in threaded connection with the bottom plate beam framework assembly 2-5 through connectors. The compartment also comprises an air conditioning system 12, a motor 16, a refrigerator 14 and a water pump 15; the refrigerator 14 is welded outside the carriage 1 and connected with the water pump 15, a spring 18 is arranged between the bottom plate assembly 2-7 and the carriage bottom plate 13, a first switch 112 and a second switch 111 are respectively arranged from the tail part to the head part of the carriage, and a first bulge 132 and a second bulge 131 which are matched with the first switch 112 and the second switch 111 are respectively arranged on the bottom plate assembly 2-7; the first switch 112 is electrically connected with the air conditioning system 12, and the second switch 111 is electrically connected with the refrigerator 14; a plurality of airbags 17 capable of shielding doors are arranged in the carriage 1. The wheel upper beam assembly is connected with the front battery bracket assembly 2-2 and the rear battery bracket assembly 2-1 through the joints. The bottom plate beam framework assembly 2-5 comprises two main section longitudinal beams penetrating through the front and the rear and a cross beam welded with the main section longitudinal beams. Insulation boards with outer tinfoil layers and middle insulation layers are arranged on the underframe and in the carriage.
The carriage body is composed of an underframe formed by welding aluminum alloy and an aluminum alloy carriage connected with the underframe. The supporting bottom plate assembly comprises a bottom plate beam framework assembly 2-5 and a bottom plate assembly 2-6 positioned on the bottom plate beam framework assembly 2-5, the chassis is of an aluminum alloy chassis structure, and aluminum profiles are adopted to reduce the dead weight of the structure. A bottom plate beam sub-assembly in the underframe assembly is formed by penetrating two main section bar large longitudinal beams in front and at the back, welding the two main section bar large longitudinal beams with a bottom plate cross beam, and adding a reinforcing piece at a key part to reduce stress. The front battery bracket assembly 2-2 is arranged on the front side of the wheel and the lower side of the bottom plate beam; the rear battery bracket 2-1 assembly is arranged on the rear side of the wheel and the lower side of the bottom plate beam. The aluminum alloy carriage is of a five-piece structure, and the carriage structure is an aluminum alloy section frame which is formed by connecting section joints in a threaded manner. The refrigeration panel of the pure electric full-bearing aluminum alloy frame refrigerator car adopts a three-layer polyurethane insulation board, and the three-layer polyurethane insulation board is inserted into the groove cavities of the carriage aluminum profile and the underframe profile boundary beam and is riveted by glue. The refrigerator car is full-bearing formula structure, does not contain sub vehicle frame, reduces the height and the barycenter of vehicle.
The underframe is a full-bearing type aluminum alloy profile frame structure, the rear battery bracket assembly 2-1 of the underframe is connected with the bottom plate beam framework assembly 2-5 in a welding mode, the front battery bracket assembly 2-2 is connected with the bottom plate beam framework assembly 2-5 in a welding mode, the bottom plate beam framework assembly 2-5 is connected with the front frame assembly 2-6 in a welding mode, the right wheel upper beam assembly 2-3 is in bolt connection with the rear battery bracket assembly 2-1 through an aluminum profile connecting joint 2-8, the right wheel upper beam assembly 2-3 is in bolt connection with the front battery bracket assembly 2-2 through an aluminum profile connecting joint 2-8, the left wheel upper beam assembly 2-4 is in bolt connection with the rear battery bracket assembly 2-1 and the front battery bracket assembly 2-2 through an aluminum profile connecting joint 2-8, the bottom plate beam skeleton assembly 2-5 and the bottom plate assembly 2-7 are connected by gluing, and all plates in the bottom plate assembly 2-7 are glued by adopting a lap joint mode.
The carriage is full aluminium frame rack structure, carries out the spiro union through attach fitting between each section bar, and the corner post includes: 1-1 part of left rear corner column, 1-2 parts of right rear corner column, 1-3 parts of right front corner column and 1-15 parts of left front corner column; the top beam comprises a front top cross beam 1-4, a right top longitudinal beam 1-5, a left top longitudinal beam 1-6 and a rear top cross beam 1-7; the stand includes: side door rear columns 1-8 and side door front columns 1-9; the connection joint includes: the structure comprises a rear top right corner transverse connecting joint 1-10, a rear top right corner longitudinal connecting joint 1-11, a side door upright post and underframe connecting joint a 1-12, a side door upright post and underframe connecting joint b 1-23, a side door upright post and right top longitudinal beam connecting joint a 1-13, a side door upright post and right top longitudinal beam connecting joint b 1-14, a front top left corner connecting joint a 1-16, a side door upright post and right top longitudinal beam connecting joint b 1-17, a rear top left corner connecting joint a 1-25, a rear top left corner connecting joint b1-26, a front top right corner connecting joint a 1-27 and a front top right corner connecting joint b 1-28; the door panel includes: 1-19 parts of rear door panel, 1-20 parts of right side wall rear panel, 1-21 parts of right side wall front panel, 1-22 parts of right side door panel and 1-24 parts of rear wall lock rod. Taking the connection of the right side wall, the rear wall and the top cover in fig. 5 as an example, a rear top cross beam 1-7 and a right rear corner post 1-2 are in bolt connection through a rear top right corner transverse connecting joint 1-10, a right rear corner post 1-2 and a right top longitudinal beam 1-5 are in bolt connection through a rear top right corner longitudinal connecting joint 1-11, taking the connection of the right side wall door upright post and the top cover in fig. 6 as an example, a side door rear upright post 1-8 and a right top longitudinal beam 1-5 are in bolt connection through a side door upright post and a right top longitudinal beam connecting joint a 1-13, and a side door front upright post 1-9 and a right top longitudinal beam 1-5 are in bolt connection through a side door upright post and a right top longitudinal beam connecting joint 1-14.
The refrigerator car chassis section bar and the carriage section bar four-corner upright post are connected through bolts by section bar joints, taking the structural connection of the carriage right rear corner post and the chassis as shown in figure 7 as an example, the right rear corner post 1-2, the rear battery bracket 2-1 and the bottom plate beam framework assembly 2-5 are in bolt connection through an aluminum section bar connecting joint 2-8.
The underframe profiles and the car side door profile uprights are in bolt connection by profile joints, as shown in the structural connection between the car side door and the right front corner column and the underframe in fig. 8, the side door rear uprights 1-8 and the bottom plate beam framework assembly 2-5 are in bolt connection through the side door uprights and the underframe connecting joints a 1-12, and the side door front uprights 1-9 and the bottom plate beam framework assembly 2-5 are in bolt connection through the side door uprights and the underframe connecting joints b 1-23.
As shown in fig. 9, a refrigerator compartment includes a compartment body 1, a bottom plate 13, an air conditioning system 12, a refrigerator 14 and a water pump 15, the compartment body 1 is provided with a double-layer structure, the refrigerator 14 and the water pump 15 are both welded on the compartment body 1, and the refrigerator 14 is connected with the water pump 15. The bottom plate 13 is positioned at the bottom of the carriage body 1, a plurality of springs 18 are connected between the bottom plate 13 and the bottom of the carriage body 1, and the bottom plate 13 can move up and down along the height direction of the carriage body 1 under the action of the springs 18. The lower part of the side wall of the carriage body 1 is provided with a convex block 113, and the bottom plate 13 is provided with a groove which is clamped with the convex block 113 and can slide up and down along the convex block 113. The arrangement of the groove and the bump 113 has a limiting effect on the bottom plate 13, so that the bottom plate 13 cannot be deviated from left to right when the bottom plate 13 moves up and down. A first switch 112 and a second switch 111 are respectively arranged along the depth direction of the bottom of the carriage body 1, and a first protrusion 132 matched with the first switch 112 and a second protrusion 131 matched with the second switch 111 are respectively arranged on the bottom plate 13. The first switch 112 is electrically connected to the air conditioning system 12, the second switch 111 is electrically connected to the refrigerator 14, and touching the first switch 112 can activate the air conditioning system 12, while touching the second switch can operate the refrigerator 14. A motor 16 is fixed on the side wall of the carriage body 1, a screw rod 161 pointing to the door of the carriage body 1 is connected to an output shaft of the motor 16, a push plate 162 is connected to the screw rod 161 in a sliding manner, a conveying frame 163 is connected to the push plate 162 in a clamping or threaded manner, and conveyed goods are placed in the conveying frame 163; the top of the carriage body 1 is provided with a sliding groove matched with the push plate 162, the top of the push plate 162 is positioned in the sliding groove, and when the screw rod 161 rotates, the push plate 162 moves along the sliding groove. The positions of two sides of the vehicle door in the vehicle body 1 are provided with a plurality of air bags 17, one sides of the air bags 17 are hinged on the side wall of the vehicle body 1, when no force is applied to the air bags 17, the air bags 17 are all attached together, the vehicle door can be shielded, and cold air is prevented from escaping outwards. The air bag 17 is provided with a sandwich layer which is filled with air. Because the heat conductivity coefficient of the air is very low, the heat preservation effect of the air bag 17 can be improved by the interlayer filled with the air, so that the refrigeration effect is good. The carriage body 1 is of a double-layer structure, water is filled in an interlayer of the carriage body 1, the water in the interlayer is pumped to the refrigerator 14 by the water pump 15, the temperature of the water is reduced, then the water flows back to the interlayer from the refrigerator 14, and the water continuously forms circulation in the interlayer between the refrigerator 14 and the carriage body 1. When the cargo is transported, the more the cargo is placed in the transport frame 163, the more the load is applied to the bottom plate 13. When the goods are less, the bottom plate 13 descends to a certain position, the first protrusion 132 is contacted with the first switch 112, the air conditioning system 12 is started to discharge cold air, and the interior of the carriage body 1 is kept at a certain temperature; when the cargo is heavy, the bottom plate 13 is lowered to a deeper position, the first protrusion 132 contacts with the first switch 112, the air conditioning system 12 is started, and the second protrusion 131 contacts with the second switch 111, the refrigerator 14 also starts to operate, so that the water in the interlayer of the car body 1 is cooled and cooled, and the temperature of the car body 1 is maintained at a desired temperature. After the destination is reached, the goods need to be unloaded, the motor 16 is started, the output shaft of the motor 16 drives the screw rod 161 to rotate, under the action of the screw rod 161, the push plate 162 moves towards the direction of the vehicle door along the sliding groove, the conveying frame 163 is driven to move forwards in the moving process of the push plate 162, the goods are conveyed to the vehicle door, when the conveying frame 163 is close to the air bag 17, the acting force is applied to the air bag 17 by the conveying frame 163, the air bag 17 is opened, and after a worker moves the goods down from the carriage body 1, the air bag 17 is closed.
Example 1
The refrigerator car heat-insulating layer provided by the embodiment is prepared from the following components in parts by mass: 100 parts of diphenylmethane diisocyanate, 95 parts of multi-component polyether polyol, 2.5 parts of a foam stabilizer, 10 parts of a foaming agent, 10 parts of a flame retardant, 15 parts of modified polyimide and 1.4 parts of a catalyst. The carriage is made of the following materials by mass percent: 1.2% of Mg, 1.5% of Si, 0.1% of Fe0, 0.8% of Mn, 0.5% of Cu, 0.2% of Zr, 0.01% of Cr, 0.2% of La, 0.2% of Zn, 0.1% of Ti and the balance of Al and impurities. The chassis is made of the following materials in parts by mass: 18 parts of Mg, 36 parts of Al, 6 parts of Si, 12 parts of Fe, 2 parts of Cu, 0.3 part of Mn, 0.1 part of Cr, 0.3 part of Zn, 0.1 part of Ti and 0.3 part of Zr.
Example 2
The refrigerator car heat preservation layer provided by the embodiment comprises the following components in parts by mass: 105 parts of diphenylmethane diisocyanate, 100 parts of multi-component polyether polyol, 1.5 parts of foam stabilizer, 20 parts of foaming agent, 8 parts of flame retardant, 18 parts of modified polyimide and 0.8 part of catalyst. The carriage is made of the following materials by mass percent: mg 2.2%, Si 0.8%, Fe0.3%, Mn 0.2%, Cu 0.2%, Zr 0.05%, Cr 0.5%, La 0.05%, Zn 0.1%, Ti 0.05%, and the balance of Al and impurities. The chassis is made of the following materials in parts by mass: mg 36 parts, Al 18 parts, Si12 parts, Fe 6 parts, Cu4 parts, Mn 0.1 part, Cr 0.3 part, Zn 0.1 part, Ti 0.3 part and Zr 0.1 part.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.

Claims (9)

1. A refrigerator car comprises a carriage body and a car head, and is characterized in that the carriage body comprises an underframe and a refrigerator carriage;
the chassis comprises a bottom plate beam framework assembly supporting the bottom plate beam framework assembly, wheel upper beam assemblies symmetrically arranged on two sides of the bottom plate beam framework assembly, a vehicle head frame assembly connected with the bottom plate beam framework assembly, a front battery support assembly located between rear wheels and the front vehicle frame assembly, and a chassis rear battery support assembly located at the tail of the bottom plate beam framework assembly.
2. A refrigerator car as claimed in claim 1 wherein said refrigerator car includes a floor, a roof secured by a rectangular header, front and rear panels secured by corner posts below said header, and left and right side panels;
the side plates are provided with door plates, and two sides of each door plate are provided with stand columns.
3. A refrigerated vehicle as claimed at claim 2 wherein the corner posts are bolted to the roof rail by means of joints and the upright and corner posts are bolted to the floor beam frame assembly by means of joints.
4. A refrigerated vehicle as claimed in claim 1 wherein the compartment further comprises an air conditioning system, a refrigerator and a water pump;
the refrigerator is welded outside the carriage and connected with the water pump, a spring is arranged between the bottom plate assembly and the bottom of the carriage, a first switch and a second switch are respectively arranged from the tail part to the head part of the carriage, and a first bulge and a second bulge which are matched with the first switch and the second switch are respectively arranged on the bottom plate assembly;
the first switch is electrically connected with an air conditioning system, and the second switch is electrically connected with the refrigerator; and a plurality of air bags capable of shielding the car door are arranged at the positions on two sides of the car door in the carriage.
5. A refrigerated vehicle as claimed at claim 1 wherein the wheel-on-beam assembly is connected to the front and rear battery support assemblies by connectors.
6. A refrigerated vehicle as claimed at claim 1 wherein the floor beam frame assembly comprises two main profile stringers running through the front and rear and welded cross beams thereof.
7. A refrigerator car as claimed in claim 1, wherein insulation panels having an outer tin foil layer and an intermediate insulation layer are provided on the underframe and in the car compartment, and the insulation layer comprises the following components in parts by mass: 100-105 parts of diphenylmethane diisocyanate, 95-100 parts of multi-component polyether polyol, 1.5-2.5 parts of a foam stabilizer, 10-20 parts of a foaming agent, 8-10 parts of a flame retardant, 15-18 parts of modified polyimide and 0.8-1.4 parts of a catalyst.
8. A refrigerator car as claimed in claim 1, wherein the body is made of the following materials in mass percent: 1.2 to 2.2 percent of Mg, 0.8 to 1.5 percent of Si, 0.1 to 0.3 percent of Fe, 0.2 to 0.8 percent of Mn, 0.2 to 0.5 percent of Cu, 0.05 to 0.2 percent of ZrC, 0.01 to 0.5 percent of Cr, 0.05 to 0.2 percent of La, less than or equal to 0.2 percent of Zn, less than or equal to 0.1 percent of Ti, and the balance of Al and impurities.
9. A refrigerator car as claimed in claim 1, wherein the base frame is made of the following materials in parts by mass: 18-36 parts of Mg, 18-36 parts of Al, 6-12 parts of Si, 6-12 parts of Fe, 2-4 parts of Cu, 0.1-0.3 part of Mn, 0.1-0.3 part of Cr, 0.1-0.3 part of Zn, 0.1-0.3 part of Ti and 0.1-0.3 part of Zr.
CN202010110866.3A 2020-02-24 2020-02-24 Refrigerator car Pending CN111267712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010110866.3A CN111267712A (en) 2020-02-24 2020-02-24 Refrigerator car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010110866.3A CN111267712A (en) 2020-02-24 2020-02-24 Refrigerator car

Publications (1)

Publication Number Publication Date
CN111267712A true CN111267712A (en) 2020-06-12

Family

ID=70997281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010110866.3A Pending CN111267712A (en) 2020-02-24 2020-02-24 Refrigerator car

Country Status (1)

Country Link
CN (1) CN111267712A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023181049A1 (en) * 2022-03-24 2023-09-28 Evage Ventures Pvt. Ltd. A semi-monocoque body for a road vehicle

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060151229A1 (en) * 2004-10-18 2006-07-13 Leeve Dion V Vehicle chassis assembly
CN106585735A (en) * 2016-12-20 2017-04-26 重庆迪科机电设备有限公司 Refrigerator van
CN106917016A (en) * 2017-03-06 2017-07-04 桂林航天工业学院 Car body lightweight aluminum alloy plate materials and preparation method thereof
CN108545118A (en) * 2018-06-29 2018-09-18 辽宁忠旺特种车辆制造有限公司 A kind of aluminium alloy totally enclosed type half-trailer for vehicle transport
CN108791501A (en) * 2018-08-27 2018-11-13 武汉智能控制工业技术研究院有限公司 Full carrying, modularization, full lightweight structure logistic car complete vehicle structure and automobile
CN108912294A (en) * 2018-06-13 2018-11-30 合肥永泰新型建材有限公司 A kind of new polyurethane insulation board
CN109367622A (en) * 2018-09-30 2019-02-22 苏州安耐驰汽车科技有限公司 A kind of electronic logistic car
CN109515519A (en) * 2018-12-29 2019-03-26 杭州华聚复合材料有限公司 A kind of new energy logistic car, compartment, chassis and its chassis profile
CN110484791A (en) * 2019-08-16 2019-11-22 西安铝轻新材料科技有限公司 A kind of bus frame high-strength/tenacity aluminum alloy and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060151229A1 (en) * 2004-10-18 2006-07-13 Leeve Dion V Vehicle chassis assembly
CN106585735A (en) * 2016-12-20 2017-04-26 重庆迪科机电设备有限公司 Refrigerator van
CN106917016A (en) * 2017-03-06 2017-07-04 桂林航天工业学院 Car body lightweight aluminum alloy plate materials and preparation method thereof
CN108912294A (en) * 2018-06-13 2018-11-30 合肥永泰新型建材有限公司 A kind of new polyurethane insulation board
CN108545118A (en) * 2018-06-29 2018-09-18 辽宁忠旺特种车辆制造有限公司 A kind of aluminium alloy totally enclosed type half-trailer for vehicle transport
CN108791501A (en) * 2018-08-27 2018-11-13 武汉智能控制工业技术研究院有限公司 Full carrying, modularization, full lightweight structure logistic car complete vehicle structure and automobile
CN109367622A (en) * 2018-09-30 2019-02-22 苏州安耐驰汽车科技有限公司 A kind of electronic logistic car
CN109515519A (en) * 2018-12-29 2019-03-26 杭州华聚复合材料有限公司 A kind of new energy logistic car, compartment, chassis and its chassis profile
CN110484791A (en) * 2019-08-16 2019-11-22 西安铝轻新材料科技有限公司 A kind of bus frame high-strength/tenacity aluminum alloy and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023181049A1 (en) * 2022-03-24 2023-09-28 Evage Ventures Pvt. Ltd. A semi-monocoque body for a road vehicle

Similar Documents

Publication Publication Date Title
US9828164B2 (en) Intermodal container and method of constructing same
CN108545118B (en) Aluminum alloy totally-enclosed vehicle transportation semitrailer
CN208715308U (en) Truck cargo car body and transport van
US20060070548A1 (en) Cargo container with insulated floor
CN110239635B (en) Modular assembled light-weight wagon compartment assembly
CN111137364B (en) Lightweight aluminum alloy carriage
CN111038539B (en) Vehicle body structure
CN111267712A (en) Refrigerator car
CN206067886U (en) A kind of pure Minitype electric truck frame
CN111845812A (en) Freight side wall, carriage and rail vehicle
CN201261583Y (en) Sedan car loading rack and double-layered container equipped with the same
CN210912155U (en) Modular lightweight boxcar with bottom plate is strengthened and waterproof function
CN212605428U (en) New energy light truck
CN116513248B (en) Railway vehicle carriage and railway vehicle
CN117885509A (en) Structure assembly and vehicle with same
CN205098319U (en) Full load bearing structure railway carriage or compartment of aluminum alloy car
CN111806571A (en) Front cabin beam structure of electric vehicle
CN111422255A (en) New energy light truck
CN114228842B (en) New forms of energy commodity circulation car, carriage and chassis assembly
CN216034707U (en) Steel-aluminum composite lightweight multi-layer bin gate container for light truck
CN211281237U (en) Cold-stored van-type transportation semitrailer
CN210617955U (en) Simple to operate's modularization boxcar
CN210284029U (en) Module assembling type boxcar assembly with waterproof function
CN210707065U (en) Light weight boxcar with reinforced bottom plate
CN210284027U (en) Lightweight boxcar with integral stiffening beam platform floor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200612