阅读说明：本技术 一种公路及铁路两用直挂式集装箱半挂车 (Highway and railway dual-purpose direct-hanging container semi-trailer ) 是由 周炯 张超德 陆强 毛廷华 *** 江明星 李冬 谷美娜 陶斌 杨清帆 杨发先 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种公路及铁路两用直挂式集装箱半挂车,涉及车辆制造技术领域；其包括车架、支承装置、侧防护、空气悬架、轮轴、铁路运行空气制动力和信号传输装置、后防护及公路运行制动系统,车架的前端设有半挂车牵引销,车架的前端和后端均设有与铁路专用转向架连挂的导向接口,轮轴配设有被动提升式空气悬架,在车架的前端设置有定位栓装置,在车架的后端设置有旋转锁装置；通过实施本技术方案,可有效解决现有集装箱半挂车在公路及铁路上运输经济性低的技术问题,半挂车自身结构可作为铁路运输的承载结构,满足车辆能在公路或铁路安全运行的需求,有效减少铁路运输中的无效自重,增大有效载货量,提高运输经济性。(The invention discloses a highway and railway dual-purpose direct-hanging container semi-trailer, relating to the technical field of vehicle manufacturing; the semi-trailer traction device comprises a frame, a supporting device, a side protection device, an air suspension, a wheel shaft, a railway operation air braking force and signal transmission device, a rear protection device and a highway operation braking system, wherein a semi-trailer traction pin is arranged at the front end of the frame, guide interfaces which are connected with a special railway bogie are arranged at the front end and the rear end of the frame, the wheel shaft is provided with a passive lifting type air suspension, a positioning bolt device is arranged at the front end of the frame, and a rotary lock device is arranged at the rear end of the frame; through implementing this technical scheme, can effectively solve the technical problem that current container semitrailer transports the economy low on highway and railway, semitrailer self structure can regard as the bearing structure of railway transportation, satisfies the vehicle and can be at the demand of highway or railway safe operation, effectively reduces the invalid dead weight in the railway transportation, increases the payload volume, improves transportation economy.)

1. The utility model provides a dual-purpose direct-hanging container semitrailer of highway and railway which characterized in that: comprises that

The front end of the frame is provided with a semitrailer traction pin for connecting a road tractor; the front end and the rear end of the frame are both provided with a guide interface which is connected with a special railway bogie;

the wheel axle is provided with a driven lifting type air suspension, and the driven lifting type air suspension is used for limiting the minimum ground clearance of the falling of the wheel axle;

the front end of the frame is provided with a positioning bolt device for fixing the front end of the container, and the rear end of the frame is provided with a rotary lock device for fixing the rear end of the container.

2. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 1, characterized in that: the frame includes front end roof beam, rear end roof beam and locates two longerons that are parallel arrangement between front end roof beam and the rear end roof beam, has arranged oblique crossbeam and crossbeam between two longerons, and is being provided with afterbody longeron and stiffening beam near rear end roof beam one end, and the both ends of stiffening beam weld respectively on two longerons, and the one end and the stiffening beam welding of afterbody longeron, the other end and the rear end roof beam welding of afterbody longeron.

3. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 2, characterized in that: the semitrailer traction pin is arranged on the lower plane of the front end beam through a traction pin plate; the guide interfaces are welded inside the front end beam and the rear end beam.

4. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 3, characterized in that: the cross-section of direction interface is the concavity, and its both sides along the walking direction of semitrailer all are provided with the side wearing plate, the side wearing plate passes through the bolt and is connected with direction connector inside wall, and the interval self-steering interface's between the wearing plate of both sides open end reduces to its bottom gradually, the last side and the downside correspondence of direction interface are provided with the pinhole to make the special bogie connecting plate of railway insert behind the direction interface rather than the side wearing plate counterbalance of both sides and pass the pinhole realization of direction interface upper flank and downside through the connecting pin.

5. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 1, characterized in that: the utility model discloses a container, including front end roof beam, locating bolt device, sleeve pipe fixed mounting are in the front end roof beam, the locating bolt device is established the sleeve pipe in the locating bolt outside including locating bolt and cover, sleeve pipe fixed mounting is in on the bottom plate of front end roof beam, be provided with steel spring between sleeve pipe and the locating bolt, steel spring's precompression power is maintained the locating bolt all the time the front end roof beam bottom plate is close to sheathed tube one side, be provided with the confession on the bottom plate of front end roof beam the locating bolt extends the through-hole that inserts in the container, inserts the container at the locating bolt.

6. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 5, characterized in that: the locking device comprises a stop block arranged on the sleeve, and the stop block is rotatably connected with the sleeve and arranged on one side of the sleeve, which is far away from the front end beam bottom plate; the cross section of the positioning bolt is rectangular, and a locking groove notch matched with the stop block is arranged on the upper end face of the positioning bolt; when the positioning bolt is inserted into the container along the through hole on the bottom plate of the front end beam, the locking groove notch just moves to the position under the stop block, and the positioning bolt is locked by matching the stop block with the locking groove notch.

7. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 6, characterized in that: the lower part of the stop block is provided with a corner end, an inner corner matched with the stop block is arranged in the lock groove gap, the inner corner forms an angle of 45 degrees along the vertical direction, the extending direction of the inner corner is opposite to the restoring force direction of the steel spring, and the corner end is embedded into the lock groove gap of the positioning bolt to be in friction fit with the inner corner so as to realize the locking of the positioning bolt.

8. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 1, characterized in that: the passive lifting type air suspension comprises a guide arm, a bracket and a suspension airbag, wherein the bracket and the suspension airbag are arranged on the frame on two sides of a wheel shaft; and the lower end of the bracket is provided with an elastic supporting device for supporting the guide arm, and the elastic supporting device is used for limiting the minimum ground clearance of the falling of the wheel axle.

9. The dual-purpose direct-hanging container semitrailer for roads and railways according to claim 8, characterized in that: the elastic supporting device comprises a steel spring pushing seat and a supporting steel spring, and the steel spring pushing seat is positioned below the guide arm; one end of the supporting steel spring is fixedly connected with the bracket, the other end of the supporting steel spring is connected with the spring pushing seat, and the guide arm on the steel spring pushing seat is limited to rotate clockwise around the hinge piece by the precompression force of the supporting spring.

10. The road and railway two-purpose hanging type container semi-trailer as claimed in any one of claims 1 to 9, wherein: the railway air brake system further comprises a supporting device, a side protection device, a railway running air brake force and signal transmission device and a rear protection and road running brake system, wherein the rear protection is of a turnover structure; railway operation air brake force and signal transmission device are including the tip hose and the steel piping that connect gradually, the steel piping is the S type and extends to the frame rear end by the frame front end, the both ends threaded connection of tip hose and steel piping is fixed through flange between the steel piping, tip hose one end and steel piping threaded connection, the other end are provided with the dustproof stifled chain.

Technical Field

The invention relates to the technical field of vehicle manufacturing, in particular to a road and railway dual-purpose direct-hanging container semi-trailer.

Background

In a modern vehicle transportation system, a road and railway combined transportation mode is greatly developed, vehicle equipment supporting a road and railway operation mode is also rapidly developed, a plurality of transportation vehicles are applied to container semi-trailers, and when the container semi-trailers are transported on roads, a road tractor is connected with the road container semi-trailers to transport the containers on the roads; when the container semi-trailer is transported by the railway, the semi-trailer is required to be hoisted on a special transport vehicle for the railway by using the hoisting equipment for the container semi-trailer, or the semi-trailer and the tractor are used as goods for railway transportation, and the semi-trailer is directly driven to a mode of the railway transport vehicle. The axle is lifted by an air compressor or a hydraulic device and then is linked with a traction and bolster device provided with a coupler buffer device, and the whole body falls on a bogie (the traction and bolster device provided with the coupler buffer device is equivalent to 1 small railway special transport vehicle on the whole) to form a railway train transportation unit; both the two modes need the auxiliary connecting device to be connected with the railway bogie, and the auxiliary connecting device belongs to invalid weight, so that the transportation economy is greatly reduced.

On the other hand, when the container semi-trailer enters railway transportation, the requirement on the ground clearance between the wheel axle and the track is very high, if the existing air suspension structure provided with the air compression device or the hydraulic device is adopted to actively lift the wheel axle, once hydraulic pressure or air compression leaks, the wheel axle can automatically fall down to be contacted with the track, and accidents are very easily caused; and generally can install a set of shaft locking device additional for solving above-mentioned technical problem, nevertheless after its promotion, it is fixed with the shaft again, nevertheless just so greatly increased the dead weight of semitrailer, the operation economic nature reduces, and the structure is more complicated simultaneously, is not convenient for make, overhaul and maintain.

Disclosure of Invention

In order to solve the technical problem that the transportation economy of the conventional container semi-trailer on the road and the railway is low, the invention aims to provide the road and railway dual-purpose direct-hanging container semi-trailer which can be directly connected with a road tractor or a railway bogie; the pressure-reducing passive lifting axle has the capability of reducing pressure and lifting the axle passively, the axle cannot automatically fall down to be in contact with the ground even if air pressure or a hydraulic device leaks, the structure is simple, the running economy is good, and the trailer or the semitrailer can be guaranteed to have good running safety and stability.

The technical scheme adopted by the invention is as follows:

a highway and railway dual-purpose direct-hanging container semi-trailer comprises

The front end of the frame is provided with a semitrailer traction pin for connecting a road tractor; the front end and the rear end of the frame are both provided with a guide interface which is connected with a special railway bogie;

the wheel axle is provided with a driven lifting type air suspension, and the driven lifting type air suspension is used for limiting the minimum ground clearance of the falling of the wheel axle;

the front end of the frame is provided with a positioning bolt device for fixing the front end of the container, and the rear end of the frame is provided with a rotary lock device for fixing the rear end of the container.

Optionally, the frame includes a front end beam, a rear end beam, and two longitudinal beams arranged in parallel and disposed between the front end beam and the rear end beam, an oblique cross beam and a cross beam are disposed between the two longitudinal beams, and a tail longitudinal beam and a reinforcing beam are disposed at an end close to the rear end beam, both ends of the reinforcing beam are welded to the two longitudinal beams, respectively, one end of the tail longitudinal beam is welded to the reinforcing beam, and the other end of the tail longitudinal beam is welded to the rear end beam. Specifically, oblique cross beams and cross beams between two longitudinal beams on the frame are arranged in a staggered manner so as to enhance the compression resistance, tensile resistance and torsion resistance of the frame structure; meanwhile, the two parallel longitudinal beams are I-shaped steel formed by welding a plurality of variable cross-section groups, and two ends of the reinforcing beam are welded between the two parallel longitudinal beams to reinforce the structural strength of the two longitudinal beams; and the tail longitudinal beam is welded between the stiffening beam and the rear end beam and is arranged in parallel with the longitudinal beam, so that the structural strength between the rear end beam and the longitudinal beam is further reinforced, and the integral structure of the frame has better bearing capacity.

Optionally, the semitrailer towing pin is mounted on the lower plane of the front end beam through a towing pin plate; the guide interfaces are welded inside the front end beam and the rear end beam. Specifically, the semitrailer traction pin is a semitrailer universal traction pin part, and the technical scheme adopts the technical scheme that the semitrailer traction pin is fixedly welded on the lower plane of a front end beam by utilizing a traction pin plate and is welded with the connecting end surface of a longitudinal beam, so that the semitrailer traction pin is stably arranged at the front end of a frame; meanwhile, openings in a shape like a V are formed in the front end beam and the rear end beam of the frame and used for installing guide interfaces directly connected with a special railway bogie; the semitrailer frame structural design can meet the requirements of road loading and transportation, and meanwhile, can well transmit the longitudinal force of a railway train during railway operation, and guarantees the frame structure and the fatigue requirements. When the semitrailer is connected with the road tractor, the guide interface of the semitrailer does not generate any obstruction to the connection; when the semitrailer is connected with the special bogie for railway, the semitrailer is directly connected with the railway bogie without an additional auxiliary connecting device for connection, so that the invalid weight of the semitrailer in railway transportation is prevented from being increased, the effective carrying capacity of the semitrailer can be increased, and the transportation economy of the semitrailer is obviously improved.

Optionally, the cross-section of direction interface is the concavity, and its both sides along the walking direction of semitrailer all are provided with the side wearing plate, the side wearing plate passes through the bolt and is connected with the direction connector inside wall, and the interval between the both sides wearing plate reduces from the open end of direction interface to its bottom gradually, the last side and the downside correspondence of direction interface are provided with the pinhole to make the special bogie connecting plate of railway insert behind the direction interface rather than the side wearing plate counterbalance of both sides and pass the pinhole realization of direction interface upper flank and downside through the connecting pin and connect. Therefore, the guide interfaces are embedded in the front end beam and the rear end beam of the frame, the left side, the right side, the upper side and the lower side of the guide interfaces form a concave shape similar to a V shape, and the side wear plates on the left side and the right side of the guide interfaces and the guide interfaces have reliable guide connection effect on the railway special bogie connecting plate; the side abrasion plate countersunk head is connected with the tenon bolt and the inner side wall of the guide connecting port, so that the connection is reliable, the disassembly, the maintenance and the replacement are convenient, and the limit stability is ensured; the special bogie of so railway inserts the direction interface through its connecting plate and passes the last side and the downside pinhole of direction interface through the connecting pin on the bogie, realizes realizing the railway transportation promptly with the special bogie lug connection of railway, carries out semitrailer railway transportation for adopting special transport vehicle of railway and leading the pillow device, can avoid the invalid weight of extra increase, ensures semitrailer railway transportation's stability, and then has improved its railway transportation economic nature greatly.

Optionally, the set bar device includes that the set bar overlaps the sleeve pipe in the set bar outside with the cover, sleeve pipe fixed mounting is in on the bottom plate of front end roof beam, be provided with the steel spring between sleeve pipe and the set bar, the precompression power of steel spring is maintained the set bar all the time the front end roof beam bottom plate is close to sheathed tube one side, be provided with the confession on the bottom plate of front end roof beam the set bar extends the through-hole that inserts in the container, and after the set bar inserted in the container, still be provided with the locking device who is used for locking the set bar in the outside of set bar. Therefore, when a certain external force is applied to the positioning bolt to overcome the compression force of the steel spring, the positioning bolt penetrates through the through hole in the bottom plate of the front end beam to be inserted into the container, the locking device is used for locking the positioning bolt, and the front end of the container is positioned and locked by the positioning bolt, so that the locking is convenient and fast.

Optionally, the locking device comprises a stop block mounted on the sleeve, and the stop block is rotatably connected with the sleeve and arranged on one side of the sleeve, which is far away from the front end beam bottom plate; the cross section of the positioning bolt is rectangular, and a locking groove notch matched with the stop block is arranged on the upper end face of the positioning bolt; when the positioning bolt is inserted into the container along the through hole on the bottom plate of the front end beam, the locking groove notch just moves to the position under the stop block, and the positioning bolt is locked by matching the stop block with the locking groove notch. This locking device structural design is ingenious, need not additionally to set up the action of gravity that supplementary retaining member alright utilized the backstop piece and fall into in the locked groove breach and realize locking the dead bolt rather than the cooperation after the locked groove breach removes to the backstop piece below, and the backstop piece can set up at the sleeve pipe lateral wall or fix through the fixed block to accessible round pin realizes rotating along vertical direction.

Optionally, the lower portion of the stopper has a corner end, an inner corner matched with the stopper is arranged in the lock groove notch, the inner corner forms an angle of 45 degrees along the vertical direction, the extending direction of the inner corner is opposite to the restoring force direction of the steel spring, and the corner end is embedded into the lock groove notch of the positioning bolt to be in friction fit with the inner corner of the positioning bolt to lock the positioning bolt. So when the catching groove breach just in time removed to ending the dog under, the corner end of ending the dog lower part falls into in the catching groove breach of locating stud because gravity, and at this moment because the existence of steel spring's precompression restoring force, greatly increased the frictional force of catching groove breach and ending dog corner end cooperation friction surface in the location, and cooperation friction surface is 45 jiaos with the gravity direction, it is extremely stable to lock, the locking device of this simple structure's its ingenious structural design of locking device accessible effectively prevents to end the dog and appear beating at the semitrailer at the driving in-process, avoid the condition of unexpected unblock, and then guarantee the fail safe nature of container transportation on the semitrailer.

Optionally, the passive lifting type air suspension comprises a guide arm, and a bracket and a suspension airbag which are mounted on the frame on both sides of the wheel shaft, wherein one end of the guide arm is rotatably connected with the bracket through a hinge, the other end of the guide arm is fixedly connected with the lower end of the suspension airbag, and the wheel shaft is fixed in the middle of the guide arm; and the lower end of the bracket is provided with an elastic supporting device for supporting the guide arm, and the elastic supporting device is used for limiting the minimum ground clearance of the falling of the wheel axle. The elastic supporting device and the suspension air bag of the air suspension are used as the wheel axle height adjusting power source, the structure is simple, the safety performance is good, the wheel axle ground clearance can be automatically adjusted by adjusting the air pressure of the suspension air bag, the free switching of the running height of the wheel axle of the semitrailer on a road and a railway is realized, the wheel axle height is passively lifted by releasing the precompression force of the elastic supporting device after the pressure of the suspension air bag is reduced, the risk of automatic falling of the wheel axle is effectively avoided, and the structural design is simple but is extremely ingenious in application; compared with the existing mode of actively lifting the wheel axle by adopting an air suspension structure provided with an air pressure device or a hydraulic device, the automatic lifting device has the advantages that the structural design cost is low, the wheel axle cannot automatically fall down to be in contact with the ground even after the air pressure device or the hydraulic device leaks, the structure is simple, the running economy is good, the trailer or the semitrailer is ensured to have good running stability, and the automatic lifting device is extremely suitable for the container semitrailer to switch on roads and railways.

Optionally, the elastic supporting device comprises a steel spring pushing seat and a supporting steel spring, and the steel spring pushing seat is located below the guide arm; one end of the supporting steel spring is fixedly connected with the bracket, the other end of the supporting steel spring is connected with the spring pushing seat, and the guide arm on the steel spring pushing seat is limited to rotate clockwise around the hinge piece by the precompression force of the supporting spring.

Optionally, the system further comprises a supporting device, a side protection device, a railway operation air braking force and signal transmission device, a rear protection device and a road operation braking system; railway operation air brake force and signal transmission device are including the tip hose and the steel piping that connect gradually, the steel piping is the S type and extends to the frame rear end by the frame front end, the both ends threaded connection of tip hose and steel piping, it is fixed through flange between the steel piping, tip hose one end and steel piping threaded connection, the other end are provided with the dirt blocking chain, and the design of dirt blocking chain is used for protecting railway operation air brake force and signal transmission device pipeline and is not having the extraneous thing and get into in the non-use condition. The technical scheme is ingeniously designed to be suitable for the road and railway dual-purpose direct-hanging container semi-trailer, so that the semi-trailer can be used as a bearing structure for railway transportation, can be directly connected with a special railway bogie for running after being hung, effectively reduces the invalid dead weight of the semi-trailer in railway transportation, increases the effective cargo capacity of the semi-trailer, improves the transportation economy of the semi-trailer, and can obtain remarkable economic benefit.

As described above, the present invention has at least the following advantages over the prior art:

1. the semitrailer can be used as a bearing structure for container railway transportation, and a semitrailer traction pin at the front end of a semitrailer frame can be directly connected with a road tractor; the guide interfaces at the front end and the rear end of the semitrailer can also be directly connected with a special railway bogie to run, the semitrailer can be transported on a railway without using an independent traction and bolster device as an auxiliary connecting device to connect the semitrailer with the railway bogie, invalid dead weight in railway transportation is effectively reduced, stability of railway transportation of the semitrailer is guaranteed, and railway transportation economy is greatly improved.

2. The oblique cross beams and the cross beams between the two longitudinal beams of the semitrailer frame are arranged in a staggered manner, so that the compression resistance, the tensile resistance and the torsion resistance of the frame structure can be effectively enhanced, meanwhile, the two parallel longitudinal beam structures are I-shaped steel formed by welding a plurality of variable cross-section groups, the structural strength is high, heavy-load goods such as containers and the like can be effectively borne, and the tail longitudinal beam and the reinforcing beam for reinforcing the structural strength of the rear end beam and the longitudinal beam are arranged at one end close to the rear end beam, so that the overall frame structure has better bearing capacity, and the running strength and fatigue requirements of roads and railways are met.

3. The front end of the semitrailer frame is provided with the positioning bolt device for fixing the front end of the container, the rear end of the container is provided with the universal rotary locking device for fixing the rear end of the container, the container can be transferred in road and railway transportation, and when the container needs to be transported by a railway, the container is not required to be additionally hoisted on a special railway transport vehicle by adopting hoisting equipment, so that the labor intensity is reduced, and the transportation efficiency and the economy are obviously improved.

4. The positioning bolt device always maintains the positioning bolt at one side of the front end beam bottom plate close to the sleeve by adopting the positioning bolt to be matched with the precompression force of the steel spring, only needs to apply certain external force to overcome the compression force of the steel spring so that the positioning bolt penetrates through the through hole on the front end beam bottom plate to be inserted into the container, and then the locking device is used for locking the positioning bolt, so that the front end of the container is positioned and locked by utilizing the positioning bolt, and the locking is convenient and fast; and locking device adopts the mode that the locking groove breach friction fit on backstop and the set bar, the ingenious internal corner that adopts is 45 jiaos of designs along vertical direction and steel spring restoring force direction, and utilize the existence of steel spring's precompression restoring force, greatly increased the frictional force of the interior locking groove breach and the piece corner end cooperation friction surface of backstop in the location, effectively prevent the backstop to appear beating at the semitrailer in-process at the driving, avoid the condition of unexpected unblock, and then guarantee the fail safe nature of container transportation on the semitrailer.

5. According to the semitrailer axle height adjusting device, the elastic supporting device and the suspension air bags of the air suspension are used as the axle height adjusting power source, the wheel axle ground clearance can be automatically adjusted by adjusting the air pressure of the suspension air bags, the free switching of the operation height of a semitrailer axle on a road and a railway is realized, the height of a driven lifting wheel axle is released by the aid of the precompression force of the elastic supporting device after the suspension air bags are decompressed, the risk of automatic falling of the wheel axle is effectively avoided, and the semitrailer axle height adjusting device is simple in structural design, extremely ingenious; compared with the existing mode of actively lifting the wheel shaft by adopting an air suspension structure provided with an air pressure device or a hydraulic device, the automatic lifting device has the advantages that the structural design cost is low, the wheel shaft cannot automatically fall down to be in contact with the ground even after the air pressure device or the hydraulic device leaks, the structure is simple, the running economy is good, the trailer or the semitrailer is ensured to have good running stability, and the automatic lifting device is extremely suitable for the flexible switching operation of the container semitrailer on roads and railways.

6. The elastic supporting device of the invention adopts the wheel axle passive lifting type air suspension which is designed by the matching structure of the steel spring push seat and the supporting steel spring, the maximum ground clearance of the wheel axle can be limited by utilizing the design of the suspension air bag on the vehicle frame, when the air bag of the suspension is pressurized to the maximum, the supporting steel spring in the supporting mechanism is stressed and compressed to support the wheel axle, at the moment, the supporting force of the supporting steel spring to the steel spring pushing seat can limit the guide arm on the steel spring pushing seat to continue rotating clockwise, thereby limiting the maximum rotation angle of the guide arm around the hinge piece along the clockwise direction and simultaneously limiting the minimum ground clearance of the falling of the wheel axle, the supporting steel spring is matched with the steel spring pushing seat to bear and guide, so that the minimum ground clearance of the wheel shaft can be limited, the accident caused by free falling of the wheel shaft and contact of the rail is avoided, the design cost and the maintenance cost can be effectively reduced, and the practicability is good.

7. The semitrailer is provided with an air braking force and signal transmission device running on a railway, can be used for transmitting air braking force and air braking signals of a railway train, and a supporting device, a side protection device, a wheel shaft, an air braking force and signal transmission device running on the railway, a rear protection device and a braking system running on the highway meet the requirements of universal accessories of the semitrailer or the railway wagon specified by related national standards.

Drawings

The invention will be described by way of specific embodiments and with reference to the accompanying drawings, in which

FIG. 1 is a schematic view of a road and railway two-purpose direct-hanging container semi-trailer according to an embodiment of the invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a top plan view of the frame in an embodiment of the present invention;

FIG. 5 is a front view of the frame in an embodiment of the present invention;

FIG. 6 is a schematic illustration of the installation of the guide interface on the front end beam in an embodiment of the present invention;

FIG. 7 is a cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of a deadbolt assembly in an embodiment of the present invention;

FIG. 9 is a side view of FIG. 8;

FIG. 10 is a cross-sectional view of FIG. 8;

FIG. 11 is a schematic diagram of the construction of a passive lift air suspension in an embodiment of the present invention;

FIG. 12 is a schematic view of another perspective of FIG. 11;

FIG. 13 is a schematic view of the installation of a passive lift air suspension in an embodiment of the present invention;

FIG. 14 is a top view of FIG. 13;

FIG. 15 is a schematic illustration of a railway service air brake force and signal transmission device in an embodiment of the present invention;

fig. 16 is a front view of fig. 15.

Description of reference numerals: 1-a vehicle frame; 1.1-front end beam; 1.1.1-a base plate; 1.1.2-vias; 1.2-rear end beam; 1.3-longitudinal beam; 1.4-oblique beam; 1.5-beam; 1.6-trailing stringer; 1.7-stiffening beam; 2-semitrailer towing pin; 2.1-traction pin plate; 3-a guide interface; 3.1-side abrasion plate; 3.2-pin hole; 4-a wheel axle; 5-passive lift air suspension; 5.1-guide arm; 5.2-scaffold; 5.3-suspension airbag; 5.4-supporting steel springs; 5.5-steel spring pushing seat; 5.6-hinge; 5.7-U-shaped bolt; 5.8-shock-absorbing rod; 6-positioning bolt device; 6.1-positioning bolt; 6.2-sleeve; 6.3-steel spring; 6.4-stop block; 6.4.1-corner end; 6.5-locking notch; 6.5.1-inside corner; 7-a rotary lock device; 8-railway operation air braking force and signal transmission device; 8.1-end hose; 8.2-dustproof chain blocking; 8.3-connecting flange; 8.4-steel piping; 9-a support means; 10-side protection; 11-road service braking system; 12-a container; 13-rear protection.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.