CN214083740U - Dual-purpose mechanical refrigeration van semi-trailer for highway and railway - Google Patents
Dual-purpose mechanical refrigeration van semi-trailer for highway and railway Download PDFInfo
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- CN214083740U CN214083740U CN202022648879.4U CN202022648879U CN214083740U CN 214083740 U CN214083740 U CN 214083740U CN 202022648879 U CN202022648879 U CN 202022648879U CN 214083740 U CN214083740 U CN 214083740U
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Abstract
The utility model discloses a road-railway dual-purpose mechanical refrigeration van semi-trailer, which comprises a frame, a van body, wheel assemblies and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assemblies 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, the front end beam is provided with a first guide connecting box for connecting the rail bogie, and the rear end beam is provided with a second guide connecting box for connecting the rail guide frame; and the bottom of the beam frame is provided with a traction device, and the traction device is used for connecting a road tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, railway operation is achieved, the road tractor is fixed through the traction device, road operation is achieved, the load requirement of road transportation is met, the coupling requirement of railway transportation is also met, road and railway dual-purpose transportation is achieved, and the timeliness and the economy of long-distance transportation in the refrigeration van semi-trailer are improved.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field especially relates to a cold-stored van semi-trailer of dual-purpose machinery of highway and railway.
Background
With the development of national economy, the cold chain transportation market in China is huge, the traditional mechanical refrigeration van-type wagon is generally used for transporting perishable foods such as fruits, vegetables and milk products and biological products, the requirement on transportation timeliness is high, but the common van-type semitrailer can only run on a road, short-distance transportation has high timeliness, and in the process of long-distance transportation, due to invalid waiting processes such as traffic jam, driver rest and refueling, timeliness and economy are low. Meanwhile, the traditional refrigeration van usually adopts a diesel generator to supply power to a refrigeration system, and partial vehicles even adopt a gasoline generator to directly supply power, and the oil tank is flammable and explosive in traffic accidents, so that the safety risk is very high. Therefore, there is a need for a semitrailer that is suitable for both railroad and highway operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, to the problem that above-mentioned exists, the utility model provides a dual-purpose mechanical cold-stored van semi-trailer of highway and railway, through the fixed rail leading truck of first direction connecting box or second direction connecting box, realize railway operation, through the fixed highway tractor of draw gear, realize highway operation, not only satisfy the load requirement of highway transportation, also satisfy the even requirement of hanging of railway transportation, realize the dual-purpose transportation of highway and railway, long-distance transport ageing and economic nature in the cold-stored van semi-trailer are improved.
The utility model adopts the technical scheme as follows: a road and railway dual-purpose mechanical refrigeration van semi-trailer comprises a frame, a van body, wheel assemblies and an electrical assembly, wherein the frame is used for bearing the van body, and the wheel assemblies and the electrical assembly are both arranged on the lower portion 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, the front end beam is provided with a first guide connecting box for connecting a rail bogie, and the rear end beam is provided with a second guide connecting box for connecting a rail guide frame; and the bottom of the beam frame is provided with a traction device, and the traction device is used for connecting a road tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, railway operation is achieved, the road tractor is fixed through the traction device, road operation is achieved, the load requirement of road transportation is met, the coupling requirement of railway transportation is also met, road and railway dual-purpose transportation is achieved, and the timeliness and the economy of long-distance transportation in the refrigeration 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 further lifting the wheels. When the railway runs, the lifting type air suspension can be lifted, and a safe distance is kept between the wheels and the rails. A plurality of wheel assemblies can be arranged, and when the semitrailer runs on a highway in an idle-load mode, only one wheel of a wheel shaft 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; when the heavy-load running is carried out, the wheel shaft can be put down, and all wheels can participate in bearing.
Preferably, the lifting type air suspension comprises an air suspension, a locking device and a lifting air bag, 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 wheel axle can be lifted by the lifting air bag to keep the gap between the wheel axle and the rail, so that accidents caused by the contact between the wheel axle and the rail can be avoided. When the road runs, one or more pairs of wheel shafts can be selectively lifted according to the load requirement, so that part of wheels are separated from 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 assembly, a supporting device is arranged between the fixed frame and the beam frame, and the electrical assembly comprises a power supply device, a railway operation air braking force and signal transmission device and a road operation braking device; the power supply device also 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 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 mounting input interface and a 380V alternating current output interface for supplying power to a refrigeration system. The programmable logic controller is used for collecting the current electric quantity information of the energy storage system and controlling the contact of the electromagnetic relay to act according to the collected electric quantity information so as to switch the charging and discharging of the running working condition of the highway or the railway. The storage battery pack adopts a lithium iron phosphate storage battery, and is internally provided with an effective tracking and control system for monitoring and recording the operation parameters of the product in the whole service period, 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 the operation condition of the product meet the use condition of the storage battery.
Preferably, the beam frame comprises a first edge beam and a second edge beam, and the first edge beam, the second edge beam, the front end beam and the rear end beam are vertically connected and enclosed to form a quadrilateral structure; and a first longitudinal beam and a second longitudinal beam are arranged between the first edge beam and the second edge beam, and the first longitudinal beam, the second longitudinal beam, the first edge beam and the second edge beam are parallel to each other. The roof beam structure still includes a plurality of middle part crossbeams, a plurality of first limit crossbeam and a plurality of second limit crossbeam, a plurality of middle part crossbeams set up between first longeron and the second longeron, and be parallel equidistance and arrange, a plurality of first limit crossbeams set up between first limit roof beam and the first longeron, and be parallel equidistance and arrange, a plurality of second limit crossbeams set up between second limit roof beam and the second longeron, and be parallel equidistance and arrange. The beam frame becomes a stable integral frame structure, the bending resistance and the torsion resistance are strong, and the integral structure has good bearing capacity. Meanwhile, due to the requirement of installing a suspension system, an air bag installation seat is welded between the rear parts of the first longitudinal beam and the second longitudinal beam, and a support reinforcing beam is welded on the outer sides of the first longitudinal beam and the second longitudinal beam.
Preferably, the traction device comprises a traction pin and a dovetail-shaped traction pin plate, a cross reinforcing beam for fixing the traction pin plate is arranged on the beam frame, the cross reinforcing beam is fixed with the middle cross beam, the first longitudinal beam, the second longitudinal beam and the front end beam, and the traction pin is fixed on one side, far away from the cross reinforcing beam, of the traction pin plate. The front end of the traction pin plate is tilted, the tail part of the traction pin plate is in a dovetail shape, and the tail part of the traction pin plate is fixed with a traction pin. The traction pin plate is further fixed with the first longitudinal beam, the second longitudinal beam and the front end beam. The foremost end of the front part of the traction pin plate is tilted upwards and slightly exposed out of 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 made of fish-bellied I-shaped steel and comprises an upper cover plate, a web plate, a lower cover plate and a reinforcing plate which are fixedly welded, the reinforcing plate is arranged between the upper cover plate and the lower steel plate, and the first longitudinal beam and the second longitudinal beam are identical in structure. The reinforcing plate enables the front end of the first longitudinal beam with smaller cross section height to form a box-shaped structure, so that the bending resistance and 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 an isosceles trapezoid. The vertical installation projection size of cold machine is used commonly to this structural shape can hold various cold-stored van semi-trailer just to the maximization satisfies the semi-trailer radius of gyration requirement, with increase front overhang, maximize frame length reaches the purpose that increases the volume, improves transportation economy. The front end beam and the first guide connecting box are fixed through welding, one side of the first guide connecting box is provided with a first fixing box used for installing interface equipment of a braking system for highway operation, and the other side of the first guide connecting box is provided with a second fixing box used for installing interface equipment of a braking system for railway operation.
Preferably, the first guiding connecting box is provided with a connecting port along the driving direction of the semitrailer, side wear plates are arranged on the left side wall and the right side wall of the connecting port, the distance between the side wear plates on the two sides is gradually reduced along the direction from the opening end to the bottom end of the connecting port, and pin holes for fixing the rail bogie are formed in the upper surface and the lower surface of the first guiding connecting box. The side wearing plates are connected with the connecting ports through countersunk tenon bolts, and the railway special bogie connecting plates are abutted against the side wearing plates on the left side and the right side of the connecting boxes after being inserted into the guide connecting boxes and are connected by penetrating through the pin holes through connecting pins.
Preferably, the rear end beam comprises a middle assembly beam, side connection end beams are arranged on two sides of the middle assembly beam, a bottom abrasion plate is arranged at the bottom of the middle assembly 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 utility model discloses a mechanical refrigeration van semi-trailer for both highway and railway, which comprises a frame, a van body, wheel assemblies and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assemblies 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, the front end beam is provided with a first guide connecting box for connecting a rail bogie, and the rear end beam is provided with a second guide connecting box for connecting a rail guide frame; and the bottom of the beam frame is provided with a traction device, and the traction device is used for connecting a road tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, railway operation is achieved, the road tractor is fixed through the traction device, road operation is achieved, the load requirement of road transportation is met, the coupling requirement of railway transportation is also met, road and railway dual-purpose transportation is achieved, and the timeliness and the economy of long-distance transportation in the refrigeration van semi-trailer are improved.
Drawings
FIG. 1 is a top 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 drawing pin plate structure of the present invention;
FIG. 4 is a front end beam structure of the present invention;
fig. 5 is a rear end beam structure view of the present invention;
fig. 6 is an overall side view of the present invention;
fig. 7 is a diagram of a lift air suspension configuration of the present invention;
fig. 8 is a structural view of the passive lift air suspension of the present invention.
Description of the symbols of the main elements: 1. a frame; 2. an electrical component; 3. a wheel assembly; 4. a compartment body; 5. a refrigerator; 11. a front end beam; 12. a traction device; 13. a cross reinforcement beam; 14. a first edge beam; 15. a second edge beam; 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 supply control box; 24. a storage battery; 31. a lift air suspension; 32. a wheel; 33. a passive lift air suspension; 111. a rear end beam; 112. a first stationary box; 113. a second stationary box; 114. a connecting port; 115. a side wear plate; 121. a tow 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 the end beam; 1113. a rear end beam connector; 1114. a bottom wear plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: referring to fig. 1 to 6, the mechanical refrigeration van semi-trailer for both highway and railway of the present embodiment includes a frame 1, a carriage 4, a wheel assembly 3 and an electrical assembly 2, wherein the frame 1 is used for bearing the carriage 4, and both 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 towing device 12, and the towing device 12 is used for connecting a road tractor. The rail guide frame is fixed through the first guide connecting box or the second guide connecting box, railway operation is achieved, the road tractor is fixed through the traction device 12, road operation is achieved, the load requirement of road transportation is met, the continuous hanging requirement of railway transportation is also met, road and railway dual-purpose transportation is achieved, and the timeliness and the economy of long-distance transportation in the refrigeration 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 the beam frame, the lifting air suspension 31 is provided with an axle, wheels 32 are disposed at two ends of the axle, and the lifting air suspension 31 is used for lifting the axle and further lifting the wheels 32. The lift-type air suspension 31 can be lifted when the railway runs, and a safe distance is kept between the wheel 32 and the rail. A plurality of wheel assemblies 3 can be arranged, and when the semitrailer runs on a road in a no-load mode, 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-duty operation, the axles can be lowered to allow all wheels 32 to participate in the load bearing. The lift-type air suspension 31 of the embodiment comprises an air suspension 311, a locking device 313 and a lift air bag 314, wherein the air suspension 311 is fixed on a beam frame, one end of the lift air bag 314 is fixed on the beam frame, the other end of the lift air bag is connected with the air suspension 311 through a support lever 312, the support lever 312 is connected with an axle, and the locking device 313 is used for locking the support lever 312 to rotate. The axle can be lifted by the lifting bladder 314 to maintain the axle clear of the track to avoid accidents where the axle contacts the track. When the road runs, one or more pairs of wheel shafts can be selectively lifted according to the load requirement, so that part of wheels 32 are separated from the ground, the running resistance is reduced, and the fuel economy is improved.
Example 3: referring to fig. 8, in the embodiment, a passive lifting type air suspension 33 is adopted, and includes an air suspension and a supporting steel spring 331, and the height of the wheel axle is adjusted by the pressure difference between the air bag and the supporting steel spring 331, so that the semitrailer wheels 32 and the track keep a certain safe distance in the railway operation of the semitrailer. When the road runs in a no-load mode, one or more pairs of wheel shafts can be lifted according to the load requirement, so that the wheels 32 are separated from 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 electrical assembly 2, and a supporting device 21 is arranged between the fixed frame 22 and the beam frame, wherein the electrical assembly 2 comprises a power supply device, a railway operation air braking force and signal transmission device and a road operation braking device; the power supply device further includes a power supply control box 23 and a storage battery 24. The power supply device is used for supplying power to the mechanical refrigeration system. The power 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 mounting input interface and a 380V alternating current output interface for supplying power to a refrigeration system. The programmable logic controller is used for collecting the current electric quantity information of the energy storage system and controlling the contact of the electromagnetic relay to act according to the collected electric quantity information so as to switch the charging and discharging of the running working condition of the highway or the railway. The storage battery 24 group adopts a lithium iron phosphate storage battery 24, and an effective tracking and control system for monitoring and recording the operation parameters of the product in the whole service period is arranged in the storage battery 24 group, and 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 the operation condition of the product meet the use condition of the storage battery 24. The refrigerating system is changed from direct power supply of a generator to power supply of the storage battery 24, the storage battery 24 can be charged by a road charging pile when the road operates, and the storage battery 24 can be charged by a railway special bogie when the railway operates.
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, a front end beam 11 and a 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 increased. The beam frame of the embodiment further comprises a plurality of middle cross beams 18, a plurality of first side cross beams and a plurality of second side cross beams 19, the middle cross beams 18 are arranged between the first longitudinal beams 16 and the second longitudinal beams 17 and are arranged in parallel at equal intervals, the first side cross beams are arranged between the first side cross beams 14 and the first longitudinal beams 16 and are arranged in parallel at equal intervals, and the second side cross beams 19 are arranged between the second side cross beams 15 and the second longitudinal beams 17 and are arranged in parallel at equal intervals. The beam frame becomes a stable integral frame structure, the bending resistance and the torsion resistance are strong, and the integral structure has good bearing capacity.
Example 6: the traction device 12 of the embodiment comprises a traction pin 121 and a dovetail-shaped traction pin plate 122, wherein a cross reinforcing beam 13 for fixing the traction pin plate 122 is arranged on the beam frame, the cross reinforcing 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 far away from the cross reinforcing beam 13. The front end of the towing pin plate 122 is tilted, the tail part is in a dovetail shape, and the towing pin 121 is fixed at the tail part. The foremost end of the front portion of the kingpin plate 122 is tilted upward and slightly exposed from the front end beam 11, so that it has a certain guiding function when being coupled to a tractor or a bogie. The kingpin plate 122 of the present embodiment is also fixed to the first longitudinal beam 16, the second longitudinal beam 17, and the front end beam 11. The stability of the whole structure is enhanced.
Example 7: the first longitudinal beam 16 of the present embodiment is a fish-bellied i-shaped 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, a reinforcing plate is disposed between the upper cover plate 164 and the lower steel plate, and the first longitudinal beam 16 and the second longitudinal beam 17 have the same structure. The reinforcing plate enables the front end of the first longitudinal beam 16 with smaller cross section height to form a box-shaped structure, and 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 a vertical projection of the mounting portion is an isosceles trapezoid. The vertical installation projection size of cold machine is used commonly just can be held to this structural shape to various cold-stored van semi-trailer to the maximize satisfies the semi-trailer radius of gyration requirement, with increase front overhang, 1 length of maximize frame reaches the purpose that increases the volume, improves transportation economy nature.
Example 8: the front end beam 11 of the embodiment is fixed to the first guiding connection box by welding, one side of the first guiding connection box is provided with a first fixing box 112 for installing interface equipment of a braking system for highway operation, and the other side of the first guiding connection box is provided with a second fixing box 113 for installing interface equipment of a braking system for railway operation. In the embodiment, the first guiding connecting box is provided with a connecting port 114 along the driving direction of the semitrailer, side wear plates 115 are arranged on the left side wall and the right side wall of the connecting port 114, the distance between the side wear plates 115 on the two sides is gradually reduced along the direction from the opening end to the bottom end of the connecting port 114, and pin holes for fixing a rail bogie are arranged on the upper surface and the lower surface of the first guiding connecting box. The side wear plates 115 are connected with the connecting ports 114 through countersunk tenon bolts, and after being inserted into the guide connecting box, the railway special bogie connecting plate is abutted against the side wear plates 115 on the left side and the right side of the guide connecting box and passes through pin holes through connecting pins to realize connection. The rear end beam 111 of this embodiment includes middle part group roof beam 1111, and the both sides of middle part group roof beam 1111 are provided with side connection end roof beam 1112, and middle part group roof beam bottom is provided with end wearing plate 1114, and side connection end roof beam 1112 is used for installing light signal equipment, still is provided with rear end roof beam connector 1113 for even hang the 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 more bolts can be installed on the carriage and the frame 1 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 fuel power generation power supply, and the fuel power supply mode can be well matched with a highway-railway dual-purpose special bogie without a shaft end generator to realize highway-railway combined transportation. This embodiment can be direct with the special bogie in railway of taking axle end generator even string the back operation, effectively reduce the invalid dead weight in the cold-stored semitrailer railway transportation, increase its payload, improve semitrailer transportation economy, highway transportation can be adopted to the short distance, well long distance can adopt railway transportation, the transportation exempts from the reloading goods, improve the ageing, mechanical refrigeration system has adopted more environmental protection, safe energy supply mode simultaneously, the utility model discloses an application can obtain showing economic benefits, and is suitable for promoting.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A road and railway dual-purpose mechanical refrigeration van semi-trailer is characterized by comprising a frame, a van body, wheel assemblies and an electric assembly, wherein the frame is used for bearing the van body, and the wheel assemblies 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, the front end beam is provided with a first guide connecting box for connecting a rail bogie, and the rear end beam is provided with a second guide connecting box for connecting a rail guide frame; and the bottom of the beam frame is provided with a traction device, and the traction device is used for connecting a road tractor.
2. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 1, wherein 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 further lifting the wheels.
3. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 2, wherein the lifting air suspension comprises an air suspension, a locking device and a lifting air bag, 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 support lever, the support lever is connected with the wheel shaft, and the locking device is used for locking the support lever to rotate.
4. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 1, wherein the beam frame is further provided with a fixed frame for carrying the electrical components, the fixed frame and the beam frame are provided with supporting devices, and the electrical components comprise a power supply device, a railway operation air braking force and signal transmission device and a road operation braking device; the power supply device also comprises a power supply control box and a storage battery.
5. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in 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 edge beam and the second edge beam, and the first longitudinal beam, the second longitudinal beam, the first edge beam and the second edge beam are parallel to each other; the roof beam structure still includes a plurality of middle part crossbeams, a plurality of first limit crossbeam and a plurality of second limit crossbeam, a plurality of middle part crossbeams set up between first longeron and the second longeron, and be parallel equidistance and arrange, a plurality of first limit crossbeams set up between first limit roof beam and the first longeron, and be parallel equidistance and arrange, a plurality of second limit crossbeams set up between second limit roof beam and the second longeron, and be parallel equidistance and arrange.
6. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 5, wherein the towing device comprises a towing pin and a dovetail-shaped towing pin plate, the beam frame is provided with a cross reinforcing beam for fixing the towing pin plate, the cross reinforcing beam is fixed with the middle cross beam, the first longitudinal beam, the second longitudinal beam and the front end beam, the towing pin is fixed on one side of the towing pin plate far away from the cross reinforcing beam, and the towing pin plate is fixed with the first longitudinal beam, the second longitudinal beam and the front end beam.
7. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 6, wherein the first longitudinal beam is made of fish-bellied I-steel and comprises an upper cover plate, a web plate, a lower cover plate and a reinforcing plate which are fixedly welded, a 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.
8. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in 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.
9. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 1, wherein the front end beam and the first guiding connecting box are fixed by welding, one side of the first guiding connecting box is provided with a first fixing box for installing interface equipment of a braking system for road running, the other side of the first guiding connecting box is provided with a second fixing box for installing interface equipment of a braking system for railway running, the first guiding connecting box is provided with a connecting port along the driving direction of the semi-trailer, the left and right side walls of the connecting port are provided with side wear plates, the distance between the side wear plates at the two sides is gradually reduced along the direction from the opening end to the bottom end of the connecting port, and the upper and lower surfaces of the first guiding connecting box are provided with pin holes for connecting rail bogies.
10. The road-railway dual-purpose mechanical refrigeration van semi-trailer as claimed in claim 1, wherein 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022648879.4U CN214083740U (en) | 2020-11-16 | 2020-11-16 | Dual-purpose mechanical refrigeration van semi-trailer for highway and railway |
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| CN202022648879.4U CN214083740U (en) | 2020-11-16 | 2020-11-16 | Dual-purpose mechanical refrigeration van semi-trailer for highway and railway |
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| CN214083740U true CN214083740U (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248729A (en) * | 2020-11-16 | 2021-01-22 | 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 CN202022648879.4U patent/CN214083740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248729A (en) * | 2020-11-16 | 2021-01-22 | 中车眉山车辆有限公司 | Dual-purpose mechanical refrigeration van semi-trailer for highway and railway |
| CN112248729B (en) * | 2020-11-16 | 2024-04-19 | 中车眉山车辆有限公司 | Railway and highway dual-purpose mechanical refrigeration van-type semitrailer |
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