CN112248729B - Railway and highway dual-purpose mechanical refrigeration van-type semitrailer - Google Patents
Railway and highway dual-purpose mechanical refrigeration van-type semitrailer Download PDFInfo
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- CN112248729B CN112248729B CN202011280150.4A CN202011280150A CN112248729B CN 112248729 B CN112248729 B CN 112248729B CN 202011280150 A CN202011280150 A CN 202011280150A CN 112248729 B CN112248729 B CN 112248729B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 20
- 239000000725 suspension Substances 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 201000009240 nasopharyngitis Diseases 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
- B61F1/14—Attaching or supporting vehicle body-structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/20—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a railway and highway mechanical refrigeration van-type semitrailer which comprises a frame, a van body, a wheel assembly and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assembly and the electric assembly are both arranged at the lower part of the frame; the frame comprises a beam frame for bearing the carriage body, the beam frame comprises a front end beam and a rear end beam which are arranged at the front end and the rear end of the beam frame in the moving direction, a first guide connecting box for connecting a rail bogie is arranged on the front end beam, and a second guide connecting box for connecting the rail bogie is arranged on the rear end beam; the bottom of the beam frame is provided with a traction device which is used for connecting with a highway tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, so that railway operation is realized, the highway tractor is fixed through the traction device, highway operation is realized, the load requirement of highway transportation is met, the continuous hanging requirement of railway transportation is also met, highway and railway dual-purpose transportation is realized, and long-distance transportation timeliness and economy in the refrigerated van semi-trailer are improved.
Description
Technical Field
The invention relates to the technical field of vehicle manufacturing, in particular to a railway and highway mechanical refrigeration van-type semitrailer.
Background
With the development of national economy, the cold chain transportation market of China is huge, the traditional mechanical refrigeration van is generally used for transporting perishable foods and biological products such as fruits, vegetables and milk products, and has higher requirements on transportation timeliness, but the common van semi-trailer can only operate on a highway, and has higher timeliness in short-distance transportation, but in the middle-distance transportation process, timeliness and economy are lower due to invalid waiting processes such as traffic jam, rest of drivers, oiling and the like. Meanwhile, the traditional refrigerated van is usually powered by a diesel generator for a refrigerating system, and part of the van is directly powered by even a gasoline generator, so that the fuel tank is inflammable and explosive in a traffic accident, and the safety risk is extremely high. Thus, there is a strong need for a semitrailer that can be adapted for both railway and highway operation.
Disclosure of Invention
Aiming at the problems, the invention provides the railway-highway mechanical refrigeration van-type semitrailer, which is characterized in that a rail guide frame is fixed through a first guide connecting box or a second guide connecting box, so that railway operation is realized, a highway tractor is fixed through a traction device, the highway operation is realized, the load requirement of highway transportation is met, the connection requirement of railway transportation is also met, the railway-highway transportation is realized, and the long-distance transportation timeliness and economy in the refrigeration van-type semitrailer are improved.
The technical scheme adopted by the invention is as follows: the railway and highway mechanical refrigeration van-type semitrailer comprises a frame, a van body, a wheel assembly and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assembly and the electric assembly are both arranged at the lower part of the frame; the frame comprises a beam frame for bearing a carriage body, the beam frame comprises a front end beam and a rear end beam which are arranged at the front end and the rear end of the beam frame in the moving direction, a first guide connecting box for connecting a rail bogie is arranged on the front end beam, and a second guide connecting box for connecting the rail bogie is arranged on the rear end beam; the bottom of the beam frame is provided with a traction device which is used for being connected with a highway tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, so that railway operation is realized, the highway tractor is fixed through the traction device, highway operation is realized, the load requirement of highway transportation is met, the continuous hanging requirement of railway transportation is also met, highway and railway dual-purpose transportation is realized, and long-distance transportation timeliness and economy in the refrigerated van semi-trailer are improved.
Preferably, the wheel assembly comprises a lifting air suspension arranged on the beam frame, an axle is arranged on the lifting air suspension, wheels are arranged at two ends of the axle, and the lifting air suspension is used for lifting the axle and then the wheels. The lifting air suspension can be lifted when the railway runs, and the safety distance between the wheels and the rail is kept. A plurality of wheel assemblies can be arranged, and when the semitrailer runs on a highway in an idle mode, only the wheels of one wheel axle can be reserved for bearing and running, so that the running resistance of the vehicle is reduced, the oil consumption is reduced, and the running economy of the vehicle is improved; when in heavy-load operation, the wheel axle can be put down, so that all wheels participate in bearing.
Preferably, the lifting air suspension comprises an air suspension, a locking device and a lifting air bag, wherein the air suspension is fixed on the beam frame, one end of the lifting air bag is fixed on the beam frame, the other end of the lifting air bag is connected with the air suspension through a supporting lever, the supporting lever is connected with the wheel shaft, and the locking device is used for locking the supporting lever to rotate. The axle can be lifted by lifting the air bag to maintain the axle and the rail with clearance to avoid accidents caused by the contact of the axle and the rail. When the road runs, one or more pairs of wheel shafts can be lifted according to the load requirement, so that part of wheels leave the ground, the running resistance is reduced, and the fuel economy is improved.
Preferably, the beam frame is further provided with a fixed frame for bearing the electrical component, a supporting device is arranged between the fixed frame and the beam frame, and the electrical component comprises a power supply device, a railway operation air braking force and signal transmission device and a highway operation braking device; the power supply device further comprises a power supply control box and a storage battery. The power supply device is used for supplying power to the mechanical refrigeration system. The power supply control box mainly comprises a rectifier, a programmable logic controller, an electronic relay, an inverter and a cloud platform, and is provided with a generator alternating current input interface, a charging pile-loading input interface and a 380V alternating current output interface for supplying power to a refrigerating system. The programmable logic controller is used for collecting current electric quantity information of the energy storage system, and according to the collected electric quantity information, the contact action of the electromagnetic relay is controlled to perform the flushing and discharging switching of the road or railway operation working condition. The storage battery adopts a lithium iron phosphate storage battery, and an effective tracking and control system for monitoring and recording the operation parameters of the product in the whole service period is built in the storage battery, wherein the tracked and recorded parameters comprise voltage, current, temperature and the like so as to control the operation of the product and ensure that the operation environment and operation conditions of the product accord with the use conditions of the storage battery.
Preferably, the beam frame comprises a first side beam and a second side beam, and the first side beam, the second side beam, the front end beam and the rear end beam are vertically connected and enclosed to form a quadrilateral structure; the first side beam and the second side beam are arranged between the first side beam and the second side beam, and the first side beam, the second side beam, the first side beam and the second side beam are parallel to each other. The beam frame further comprises a plurality of middle cross beams, a plurality of first side cross beams and a plurality of second side cross beams, wherein the middle cross beams are arranged between the first longitudinal beams and the second longitudinal beams and are arranged in parallel at equal intervals, the first side cross beams are arranged between the first side beams and the first longitudinal beams and are arranged in parallel at equal intervals, and the second side cross beams are arranged between the second side beams and the second longitudinal beams and are arranged in parallel at equal intervals. The beam frame at the moment becomes a stable integral frame structure, has strong bending resistance and torsion resistance, and has good bearing capacity. Meanwhile, because of the requirement of installing a suspension system, an airbag installation seat is welded between the rear parts of the first longitudinal beam and the second longitudinal beam, and a bracket reinforcing beam is welded outside the first longitudinal beam and the second longitudinal beam.
Preferably, the traction device comprises a traction pin and a dovetail traction pin plate, a cross reinforcement beam for fixing the traction pin plate is arranged on the beam frame, the cross reinforcement beam is fixed with the middle cross beam, the first longitudinal beam, the second longitudinal beam and the front end beam, and one side, far away from the cross reinforcement beam, of the traction pin plate is fixed with the traction pin. The front end of the traction pin plate is tilted, the tail part is dovetail-shaped, and the tail part is fixed with the traction pin. The traction pin plate is also fixed with the first longitudinal beam, the second longitudinal beam and the front end beam. The forefront end of the traction pin plate is lifted upwards and slightly exposes the front end beam, so that the traction pin plate has a certain guiding function when being connected with a tractor or a bogie.
Preferably, the first longitudinal beam is a fish-bellied I-steel, and comprises an upper cover plate, a web plate, a lower cover plate and a reinforcing plate which are welded and fixed, wherein the reinforcing plate is arranged between the upper cover plate and the lower cover plate, and the first longitudinal beam and the second longitudinal beam are identical in structure. The front end of the first longitudinal beam with smaller section height is formed into a box-shaped structure by the reinforcing plate, so that the bending resistance and the torsion resistance of the first longitudinal beam are improved.
Preferably, the front end beam is provided with a mounting part for mounting the refrigerator, and the vertical projection of the mounting part is isosceles trapezoid. The vertical installation projection size of the common cold machine of various refrigeration van-type semitrailers can be just contained in the structural shape, and the radius of gyration requirement of the semitrailer is met to the maximum extent, so that the front suspension is increased, the frame length is maximized, and the purposes of increasing the volume and improving the transportation economy are achieved. The front end beam is fixed with the first guide connecting box through welding, one side of the first guide connecting box is provided with a first fixed box for installing road running braking system interface equipment, and the other side of the first guide connecting box is provided with a second fixed box for railway running braking system interface equipment.
Preferably, the first guide connection box is provided with a connection port along the running direction of the semitrailer, side wearing plates are arranged on the left side wall and the right side wall of the connection port, the distance between the side wearing plates on the two sides is gradually reduced along the direction from the opening end to the bottom end of the connection port, and the upper surface and the lower surface of the first guide connection box are respectively provided with a pin hole for fixing the rail bogie. The side wearing plates are connected with the connecting ports through tenon bolts of the countersunk head, and the connecting plates of the bogie special for the railway are abutted against the side wearing plates on the left side and the right side of the guiding connecting box after being inserted into the guiding connecting box and pass through the pin holes through connecting pins to realize connection.
Preferably, the rear end beam comprises a middle component beam, side connection end beams are arranged on two sides of the middle component beam, a bottom abrasion plate is arranged at the bottom of the middle component beam, and the side connection end beams are used for installing light signal equipment.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the invention discloses a road and railway mechanical refrigeration van-type semitrailer which comprises a frame, a van body, a wheel assembly and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assembly and the electric assembly are both arranged on the frame; the frame comprises a beam frame for bearing a carriage body, the beam frame comprises a front end beam and a rear end beam which are arranged at the front end and the rear end of the beam frame in the moving direction, a first guide connecting box for connecting a rail bogie is arranged on the front end beam, and a second guide connecting box for connecting the rail bogie is arranged on the rear end beam; the bottom of the beam frame is provided with a traction device which is used for being connected with a highway tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, so that railway operation is realized, the highway tractor is fixed through the traction device, highway operation is realized, the load requirement of highway transportation is met, the continuous hanging requirement of railway transportation is also met, highway and railway dual-purpose transportation is realized, and long-distance transportation timeliness and economy in the refrigerated van semi-trailer are improved.
Drawings
FIG. 1 is a top plan view of a vehicle frame of the present invention;
FIG. 2 is a side view of the frame of the present invention;
FIG. 3 is a block diagram of the kingpin plate of the present invention;
FIG. 4 is a front end beam block diagram of the present invention;
FIG. 5 is a rear end beam structural view of the present invention;
FIG. 6 is an overall side view of the present invention;
FIG. 7 is a block diagram of a lifting air suspension of the present invention;
Fig. 8 is a block diagram of a passive lift air suspension of the present invention.
Main element symbol description: 1. a frame; 2. an electrical component; 3. a wheel assembly; 4. a carriage body; 5. a refrigerating machine; 11. a front end beam; 12. a traction device; 13. a cross stiffening beam; 14. a first side rail; 15. a second side rail; 16. a first stringer; 17. a second stringer; 18. a middle cross beam; 19. a second side rail; 21. a support device; 22. a fixed frame; 23. a power control box; 24. a storage battery; 31. a lifting air suspension; 32. a wheel; 33. a passive lifting air suspension; 111. a rear end beam; 112. a first fixed box; 113. a second fixed box; 114. a connection port; 115. a side wear plate; 121. a traction pin; 122. a traction pin plate; 161. a reinforcing plate; 162. a web; 163. a lower cover plate; 164. an upper cover plate; 311. air suspension; 312. a support lever; 313. a locking device; 314. lifting the air bag; 331. supporting a steel spring; 1111. the middle part forms a beam; 1112. the side is connected with an end beam; 1113. a rear end beam connection port; 1114. a bottom wear plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1: referring to fig. 1 to 6, a refrigerated van-type semitrailer for a highway and railway machine of the present embodiment includes a frame 1, a van body 4, a wheel assembly 3 and an electrical assembly 2, wherein the frame 1 is used for carrying the van body 4, and the wheel assembly 3 and the electrical assembly 2 are mounted on the frame 1; the frame 1 comprises a beam frame for bearing the carriage body 4, the beam frame comprises a front end beam 11 and a rear end beam 111 which are arranged at the front end and the rear end of the beam frame in the moving direction, a first guide connecting box for connecting a rail bogie is arranged on the front end beam 11, and a second guide connecting box for connecting the rail bogie is arranged on the rear end beam 111; the bottom of the beam frame is provided with a traction device 12, and the traction device 12 is used for connecting with a highway tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, so that railway operation is realized, the highway tractor is fixed through the traction device 12, highway operation is realized, the load requirement of highway transportation is met, the continuous hanging requirement of railway transportation is also met, highway and railway dual-purpose transportation is realized, and the long-distance transportation timeliness and economy in the refrigerated van semi-trailer are improved.
Example 2: referring to fig. 6 and 7, the wheel assembly 3 of the present embodiment includes a lifting air suspension 31 disposed on a beam frame, an axle is disposed on the lifting air suspension 31, wheels 32 are disposed at two ends of the axle, and the lifting air suspension 31 is used for lifting the axle and then lifting the wheels 32. The lifting air suspension 31 can be lifted during railway operation, and the wheels 32 are kept at a safe distance from the rails. A plurality of wheel assemblies 3 can be arranged, and when the semitrailer runs on a highway, only the wheels 32 of one wheel axle can be reserved for bearing running, so that the running resistance of the vehicle is reduced, the oil consumption is reduced, and the running economy of the vehicle is improved; during heavy load operation, the axle may be lowered to allow all wheels 32 to participate in the load bearing. The lifting air suspension 31 of this embodiment includes an air suspension 311, a locking device 313 and a lifting air bag 314, the air suspension 311 is fixed on a beam, one end of the lifting air bag 314 is fixed on the beam, the other end is connected with the air suspension 311 through a supporting lever 312, the supporting lever 312 is connected with a wheel axle, and the locking device 313 is used for locking the supporting lever 312 to rotate. The axle may be lifted by the lift bladder 314 to maintain the axle in clearance with the rail to avoid an accident from the axle coming into contact with the rail. When the road is running, one or more pairs of wheel shafts can be lifted according to the load requirement, so that part of wheels 32 leave the ground, the running resistance is reduced, and the fuel economy is improved.
Example 3: referring to fig. 8, the passive lifting air suspension 33 includes an air suspension and a supporting steel spring 331, and the wheel axle height is adjusted by means of the pressure difference between the air bag and the supporting steel spring 331, so that a certain safety distance between the semitrailer wheels 32 and the track is maintained during the railway running of the semitrailer. When the highway runs in the air, one or more pairs of wheel shafts can be lifted according to the load requirement, so that the wheels 32 leave the ground, the friction resistance is reduced, and the fuel economy is improved.
Example 4: the beam frame of the embodiment is also provided with a fixed frame 22 for bearing the electric component 2, and a supporting device 21 is arranged between the fixed frame 22 and the beam frame, wherein the electric component 2 comprises a power supply device, a railway running air braking force and signal transmission device and a road running braking device; the power supply device further includes a power supply control box 23 and a battery 24. The power supply device is used for supplying power to the mechanical refrigeration system. The power supply control box 23 mainly comprises a rectifier, a programmable logic controller, an electronic relay, an inverter and a cloud platform, and is provided with a generator alternating current input interface, a charging pile-loading input interface and a 380V alternating current output interface for supplying power to a refrigerating system. The programmable logic controller is used for collecting current electric quantity information of the energy storage system, and according to the collected electric quantity information, the contact action of the electromagnetic relay is controlled to perform the flushing and discharging switching of the road or railway operation working condition. The battery 24 is a lithium iron phosphate battery 24 and has an effective tracking and control system built therein for monitoring and recording the operating parameters of the product throughout the service life, including voltage, current, temperature, etc., to control the operation of the product and to ensure that the product operating environment and conditions are consistent with the operating conditions of the battery 24. The refrigeration system is changed from direct power supply of the generator to power supply of the storage battery 24, the storage battery 24 can be charged by a highway charging pile during highway operation, and the storage battery 24 can be charged by a railway special bogie during railway operation.
Example 5: the beam frame of the embodiment comprises a first side beam 14 and a second side beam 15, wherein the first side beam 14, the second side beam 15, the front end beam 11 and the rear end beam 111 are vertically connected and enclosed to form a quadrilateral structure; a first longitudinal beam 16 and a second longitudinal beam 17 are arranged between the first side beam 14 and the second side beam 15, and the first longitudinal beam 16, the second longitudinal beam 17, the first side beam 14 and the second side beam 15 are parallel to each other. The structural stability of the beam frame is improved. The beam frame of the present embodiment further includes a plurality of middle beams 18, a plurality of first side beams and a plurality of second side beams 19, wherein the plurality of middle beams 18 are disposed between the first side beams 16 and the second side beams 17 and are arranged in parallel and equidistant, the plurality of first side beams are disposed between the first side beams 14 and the first side beams 16 and are arranged in parallel and equidistant, and the plurality of second side beams 19 are disposed between the second side beams 15 and the second side beams 17 and are arranged in parallel and equidistant. The beam frame at the moment becomes a stable integral frame structure, has strong bending resistance and torsion resistance, and has good bearing capacity.
Example 6: the traction device 12 of the present embodiment includes a traction pin 121 and a dovetail traction pin plate 122, a cross reinforcement beam 13 for fixing the traction pin plate 122 is provided on the beam frame, the cross reinforcement beam 13 is fixed with the middle cross beam 18, the first longitudinal beam 16, the second longitudinal beam 17 and the front end beam 11, and the traction pin 121 is fixed on one side of the traction pin plate 122 away from the cross reinforcement beam 13. The front end of the traction pin plate 122 is tilted, the tail part is dovetail-shaped, and the tail part is fixed with the traction pin 121. The forward most front end of the towing pin plate 122 is tilted upward and slightly exposed to the front end beam 11 to provide a guiding function when attached to a towing vehicle or bogie. The towing pin plate 122 of the present embodiment is also secured to the first longitudinal beam 16, the second longitudinal beam 17 and the front end beam 11. Enhancing the stability of the overall structure.
Example 7: the first longitudinal beam 16 of this embodiment is a fish-web-shaped i-steel, and includes an upper cover plate 164, a web 162, a lower cover plate 163 and a reinforcing plate 161 which are welded and fixed, wherein a reinforcing plate is arranged between the upper cover plate 164 and the lower cover plate 163, and the structures of the first longitudinal beam 16 and the second longitudinal beam 17 are identical. The reinforcing plate enables the front end of the first longitudinal beam 16 with smaller section height to form a box-shaped structure, and the bending resistance and torsion resistance of the box-shaped structure are improved. The front end beam 11 of the present embodiment is provided with a mounting portion for mounting the refrigerator 5, and the vertical projection of the mounting portion is isosceles trapezoid. The vertical installation projection size of the common cold machine of various refrigeration van-type semitrailers can be just contained in the structural shape, and the radius of gyration requirement of the semitrailer is met to the maximum extent, so that the front suspension is increased, the length of the frame 1 is maximized, and the purposes of increasing the volume and improving the transportation economy are achieved.
Example 8: the front end beam 11 of the present embodiment is fixed to the first guide connection box by welding, and a first fixing box 112 for mounting a brake system interface device for road operation is provided at one side of the first guide connection box, and a second fixing box 113 for mounting a brake system interface device for railway operation is provided at the other side of the first guide connection box. The first guide connection box of this embodiment is provided with connector 114 along the direction that the semitrailer was gone, is provided with side wearing plate 115 on the left and right sides wall of connector 114, and the interval of both sides side wearing plate 115 reduces along connector 114 open end to bottom direction gradually, and the upper and lower face of first guide connection box all is provided with the pinhole that is used for fixed rail bogie. The side wearing plates 115 are connected with the connecting ports 114 through tenon bolts of the countersunk head, and after being inserted into the guide connecting box, the connecting plates of the bogie special for the railway are propped against the side wearing plates 115 on the left side and the right side of the guide connecting box and are connected through the pin holes through connecting pins. The rear end beam 111 of this embodiment includes a middle component beam 1111, both sides of the middle component beam 1111 are provided with side connection end beams 1112, the bottom of the middle component beam is provided with a bottom abrasion plate 1114, the side connection end beams 1112 are used for mounting light signal devices, and a rear end beam connection port 1113 is provided for connecting a bogie.
Example 6: the first side beam 14, the second side beam 15, the middle cross beam 18 and the side cross beams of the embodiment are all unequal-side channel steel, and the carriage and the frame 1 can be provided with more bolts so as to ensure the connection strength between the carriage and the frame 1 during railway transportation. The power supply device of the embodiment can also comprise an oil tank, the power supply of the storage battery 24 is changed into the power generation and power supply of fuel oil, and the fuel oil power supply mode can be well matched with a special bogie without a shaft end generator for highway and railway combined transportation. The embodiment can directly run after being connected with the special bogie with the shaft end generator, effectively reduces invalid dead weight in railway transportation of the refrigerated semitrailer, increases effective load capacity of the refrigerated semitrailer, improves transportation economy of the semitrailer, can adopt road transportation in a short distance, can adopt railway transportation in a middle-long distance, avoids goods replacement in the transportation process, improves timeliness, and meanwhile adopts a more environment-friendly and safe energy supply mode for a mechanical refrigeration system.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. The mechanical refrigeration van-type semitrailer for the highway and railway is characterized by comprising a frame, a van body, a wheel assembly and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assembly and the electric assembly are both arranged at the lower part of the frame; the frame comprises a beam frame for bearing a carriage body, the beam frame comprises a front end beam and a rear end beam which are arranged at the front end and the rear end of the beam frame in the moving direction, a first guide connecting box for connecting a rail bogie is arranged on the front end beam, and a second guide connecting box for connecting the rail bogie is arranged on the rear end beam; the bottom of the beam frame is provided with a traction device which is used for connecting with a highway tractor; the wheel assembly comprises a lifting type air suspension arranged on the beam frame, an axle is arranged on the lifting type air suspension, wheels are arranged at two ends of the axle, and the lifting type air suspension is used for lifting the axle and then lifting the wheels; the lifting type air suspension comprises an air suspension, a locking device and a lifting air bag, wherein the air suspension is fixed on the beam frame, one end of the lifting air bag is fixed on the beam frame, the other end of the lifting air bag is connected with the air suspension through a supporting lever, the supporting lever is connected with the wheel shaft, and the locking device is used for locking the supporting lever to rotate; the front end beam with first direction joint box passes through welded fastening, one side of first direction joint box is provided with the first fixed case that is used for installing highway operation's braking system interface equipment, the opposite side is provided with the second fixed case that is used for railway operation's braking system interface equipment, be provided with the connector along the direction that the semitrailer went on the first direction joint box, be provided with the side wearing and tearing board on the left and right sides wall of connector, the interval of both sides side wearing and tearing board is followed connector open end reduces to bottom direction gradually, all be provided with the pinhole that is used for connecting the rail bogie above and below the first direction joint box.
2. The highway and railway mechanical refrigeration van semi-trailer according to claim 1, wherein a fixed frame for carrying the electrical components is further arranged on the beam frame, the fixed frame and the beam frame are provided with supporting devices, and the electrical components comprise a power supply device, a railway running air braking force and signal transmission device and a highway running braking device; the power supply device further comprises a power supply control box and a storage battery.
3. The highway and railway mechanical refrigeration van-type semitrailer according to claim 1, wherein the beam frame comprises a first side beam and a second side beam, and the first side beam, the second side beam, the front end beam and the rear end beam are vertically connected and enclosed to form a quadrilateral structure; a first longitudinal beam and a second longitudinal beam are arranged between the first side beam and the second side beam, and the first longitudinal beam, the second longitudinal beam, the first side beam and the second side beam are parallel to each other; the beam frame further comprises a plurality of middle cross beams, a plurality of first side cross beams and a plurality of second side cross beams, wherein the middle cross beams are arranged between the first longitudinal beams and the second longitudinal beams and are arranged in parallel at equal intervals, the first side cross beams are arranged between the first side beams and the first longitudinal beams and are arranged in parallel at equal intervals, and the second side cross beams are arranged between the second side beams and the second longitudinal beams and are arranged in parallel at equal intervals.
4. The highway and railway two-purpose mechanical refrigerated van-type semitrailer according to claim 3, wherein the traction device comprises a traction pin and a dovetail-shaped traction pin plate, a cross reinforcement beam for fixing the traction pin plate is arranged on the beam frame, the cross reinforcement beam is fixed with the middle cross beam, the first longitudinal beam, the second longitudinal beam and the front end beam, the traction pin is fixed on one side of the traction pin plate away from the cross reinforcement beam, and the traction pin plate is fixed with the first longitudinal beam, the second longitudinal beam and the front end beam.
5. The highway and railway dual-purpose mechanical refrigeration van-type semitrailer according to claim 4, wherein the first longitudinal beam is fish-web-shaped I-steel and comprises an upper cover plate, a web plate, a lower cover plate and a reinforcing plate which are welded and fixed, wherein the reinforcing plate is arranged between the upper cover plate and the lower cover plate, and the first longitudinal beam and the second longitudinal beam are identical in structure.
6. The highway and railway mechanical refrigeration van-type semitrailer according to claim 1, wherein a mounting part for mounting a refrigerator is arranged on the front end beam, and the vertical projection of the mounting part is isosceles trapezoid.
7. The highway and railway two-purpose mechanical refrigerated van-type semitrailer according to claim 1, wherein the rear end beam comprises a middle component beam, two sides of the middle component beam are provided with side connection end beams, the bottom of the middle component beam is provided with a bottom wearing plate, and the side connection end beams are used for mounting light signal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280150.4A CN112248729B (en) | 2020-11-16 | 2020-11-16 | Railway and highway dual-purpose mechanical refrigeration van-type semitrailer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280150.4A CN112248729B (en) | 2020-11-16 | 2020-11-16 | Railway and highway dual-purpose mechanical refrigeration van-type semitrailer |
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| Publication Number | Publication Date |
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| CN112248729A CN112248729A (en) | 2021-01-22 |
| CN112248729B true CN112248729B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011280150.4A Active CN112248729B (en) | 2020-11-16 | 2020-11-16 | Railway and highway dual-purpose mechanical refrigeration van-type semitrailer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114714828A (en) * | 2022-03-16 | 2022-07-08 | 中车眉山车辆有限公司 | Dual-purpose van-type side-turning dump truck for highway and railway |
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| CN1041567A (en) * | 1988-09-14 | 1990-04-25 | 奇布尔莱英群公司 | The transition apparatus of the easy repacking trailer that railway-highway is dual-purpose |
| AU2006220375A1 (en) * | 2005-09-20 | 2007-04-05 | Kim Tibor Bolvary | Road-Rail Vehicle |
| DE102013004687A1 (en) * | 2013-03-13 | 2014-09-18 | Bernhard Piekorz | Device for converting a railway carriage to a semi-trailer |
| CN110712483A (en) * | 2019-11-21 | 2020-01-21 | 中车眉山车辆有限公司 | Highway and railway dual-purpose direct-hanging container semi-trailer |
| CN214083740U (en) * | 2020-11-16 | 2021-08-31 | 中车眉山车辆有限公司 | Dual-purpose mechanical refrigeration van semi-trailer for highway and railway |
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2020
- 2020-11-16 CN CN202011280150.4A patent/CN112248729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041567A (en) * | 1988-09-14 | 1990-04-25 | 奇布尔莱英群公司 | The transition apparatus of the easy repacking trailer that railway-highway is dual-purpose |
| AU2006220375A1 (en) * | 2005-09-20 | 2007-04-05 | Kim Tibor Bolvary | Road-Rail Vehicle |
| DE102013004687A1 (en) * | 2013-03-13 | 2014-09-18 | Bernhard Piekorz | Device for converting a railway carriage to a semi-trailer |
| CN110712483A (en) * | 2019-11-21 | 2020-01-21 | 中车眉山车辆有限公司 | Highway and railway dual-purpose direct-hanging container semi-trailer |
| CN214083740U (en) * | 2020-11-16 | 2021-08-31 | 中车眉山车辆有限公司 | Dual-purpose mechanical refrigeration van semi-trailer for highway and railway |
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| CN112248729A (en) | 2021-01-22 |
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