CN111452811A

CN111452811A - Dual-purpose vehicle-container transport vehicle with concave bottom

Info

Publication number: CN111452811A
Application number: CN202010419671.7A
Authority: CN
Inventors: 杨诗卫; 陆强; 江明星; 杨鸣; 王爱民; 赵迎九; 铁钧; 张四枚; 李冬; 彭燎; 张显锋; 袁亮; 李新辉; 谷美娜; 黄瑞
Original assignee: CRRC Meishan Co Ltd
Current assignee: CRRC Meishan Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-07-28
Anticipated expiration: 2040-05-18
Also published as: CN111452811B

Abstract

The invention discloses an automobile-container dual-purpose concave bottom transport vehicle, which belongs to the technical field of railway transportation and comprises a lower-layer underframe, a middle underframe lifting device and an end underframe lifting device; the middle underframe lifting device comprises a middle upper layer underframe, an upper middle frame lifting device and an upper middle frame locking device; the middle upper frame lifting device is used for controlling the middle upper layer bottom frame to vertically lift; the middle upper frame locking device is used for locking the height of the middle upper layer underframe; the end underframe lifting device comprises an end upper layer underframe and an end upper frame control device; the end upper frame control device is used for controlling the lifting, locking and overturning of the end upper layer underframe. The automobile-container dual-purpose transport vehicle with the concave bottom can effectively improve the full-length utilization rate of the vehicle chassis, reduce the transportation cost, avoid container collision, and is exquisite in structure and convenient to operate.

Description

Dual-purpose vehicle-container transport vehicle with concave bottom

Technical Field

The invention belongs to the technical field of railway transportation, and particularly relates to an automobile-container dual-purpose concave bottom transport vehicle.

Background

In recent years, the development of the car industry in China is rapidly advanced, the car transportation volume is increased year by year, and in order to meet the car transportation market demands and show advantages in intense market competition, various freight transport companies and logistics companies acquire more market share and strive for low transportation cost and high transportation efficiency.

The domestic railway car transport vehicle is developed vigorously in the great growth of the car consumer market, and due to the adoption of the all-steel closed rivet welding structure, other goods cannot be assembled, so that most vehicles can only be returned by empty cars, and the vehicles can only be left unused in slack seasons to occupy the railway, so that the utilization rate of the vehicles is low, the use cost is increased, and the transport capacity of the railway is greatly wasted. In recent years, the development of multi-type intermodal transportation is greatly promoted in China, container transportation is mainly used in the multi-type intermodal transportation, and if the multi-type intermodal transportation and the container transportation can be complemented, the maximization of equipment benefit can be realized. Patent publication No. CN 104802811A discloses a car-container sharing special type transport vechicle, and this car is turned over down through middle part activity chassis, only can be used to load 1 40ft container, and vehicle chassis length utilization compares lowly 50% with the flatcar, and economic benefits is not high, and this car side wall is higher, and difficult observation during the container loads, collides side wall or container easily, and the operation is difficult, is unfavorable for dual-purpose vehicle's popularization and application.

The restriction of the vehicle structure of the existing car transport vechicle of railway can't carry out high-efficient dual-purpose in the transportation, and the operation is not convenient, and this problem is urgent to be solved.

Disclosure of Invention

The invention aims to provide an automobile-container dual-purpose transport vehicle with a concave bottom, aiming at solving the problems that the existing railway car transport vehicle cannot transport containers with full length under the chassis, the containers are easy to collide, the operation is inconvenient, the vehicle transport capacity is low, the transport cost is high and the like. In order to achieve the purpose, the invention provides the following technical scheme:

a dual-purpose vehicle-container transport vehicle with concave bottom comprises a lower-layer underframe, a middle underframe lifting device and an end underframe lifting device; the middle part of the lower-layer chassis is provided with a concave bottom, two ends of the lower-layer chassis are provided with high bottoms, and the concave bottom and the high bottoms are connected through an inclined bottom; the middle underframe lifting device comprises a middle upper layer underframe, an upper middle frame lifting device and an upper middle frame locking device; an upper middle frame lifting device is arranged between the concave bottom and the middle upper layer underframe; the middle upper frame lifting device is used for controlling the middle upper layer bottom frame to vertically lift; the number of the upper middle frame locking devices is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe; the middle upper frame locking device is used for locking the height of the middle upper layer underframe; the end underframe lifting device comprises an end upper layer underframe and an end upper frame control device; the end part upper layer underframe corresponds to a high bottom, four end upper underframe control devices are arranged between the high bottom and the end part upper layer underframe, and a pair of end upper underframe control devices are symmetrically arranged at the front and the rear of the end part upper layer underframe; the end upper frame control device comprises an end upper frame lifting device, a multi-stage telescopic sleeve and an end upper frame rotating device; the end upper frame lifting device is used for controlling the lifting of the end upper layer bottom frame; an end upper frame lifting device is arranged in the multistage telescopic sleeve; the multi-stage telescopic sleeves are used for locking the length of the end-to-upper frame lifting device; and the end upper frame rotating device is used for driving the multistage telescopic sleeve to turn over along the length direction of the lower-layer underframe. According to the structure, the middle part of the lower-layer underframe is provided with the concave bottom, the two ends of the lower-layer underframe are provided with the high bottoms, and the concave bottom and the high bottoms are connected through the inclined bottoms; when the middle upper-layer chassis above the concave bottom is driven by the upper-middle-frame lifting device to rise for a certain height and the upper-layer chassis at the end part is controlled by the four end upper-frame lifting devices to rise, the large-scale SUV cars to be transported pass through the high bottom and the inclined bottom to the concave bottom, some higher large-scale SUV cars can be parked on the concave bottom, and the space accommodation capacity of the transport vehicle is improved by the concave bottom; after the ascending height of the middle upper layer underframe is determined, the middle upper layer underframe height is locked by the middle upper frame locking device, and the situation that the middle upper frame lifting device is stressed by an automobile parked on the middle upper layer underframe when not working is avoided. When the middle upper layer underframe is driven to descend by the middle upper frame lifting device, the middle upper layer underframe can be finally supported on the lower layer underframe; the middle upper frame lifting device is always positioned between the concave bottom and the middle upper layer bottom frame. The end upper chassis corresponds to a high-bottom, so that a large SUV needs to pass through the high-bottom and park a car on the high-bottom, the angle of the end upper chassis needs to be adjusted, and the space below the end upper chassis is ensured. The angle of the end part upper layer underframe is controlled and adjusted through four end upper frame lifting devices, and the end upper frame lifting devices are symmetrically arranged on two sides of the end part upper layer underframe close to the front position and two sides of the end part upper layer underframe close to the rear position. The end part upper layer underframe has three states when rising, namely a horizontal working position state, a middle working position state and a full-open working position state, and can be mixed with the existing mainstream car transport vehicle, so that the applicability of the vehicle is improved; the fully-opened working position state is to make the large SUV capable of being opened to the concave bottom, the middle working position state is to park some cars with a little high points on the high bottom, and the four end upper frame lifting devices can conveniently adjust the angles of the end upper frame and the heights of the end upper frame. After the end upper frame lifting device lifts the end upper frame to the height, if the end upper frame bears, the end upper frame lifting device is adversely affected by long-term loading, so that the length of the end upper frame lifting device is locked by a plurality of telescopic sleeves, namely the end upper frame is supported by the plurality of telescopic sleeves. Because multistage telescopic tube always has one section length with serving upper frame elevating gear, make tip upper strata chassis can't vertically fall to lower floor's chassis on, so need serve upper frame rotary device and be used for driving multistage telescopic tube along lower floor's chassis length direction upset, support on lower floor's chassis just so can be along length direction skew back support. This transport vechicle not only can double-deck transportation car, supports back and middle part upper strata chassis support back on lower floor's chassis as tip upper strata chassis, can park truck or container on tip upper strata chassis and the middle part upper strata chassis, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. The end upper-layer chassis and the middle upper-layer chassis are not provided with barriers to block the container from being loaded all the time, and the multi-type combined transportation system has the advantages of multi-type combined transportation capacity, high transportation efficiency and low transportation cost. The concave bottom is a part with a concave part in the middle of the lower-layer chassis and comprises a concave bottom surface and two side walls connected with the bottom surface. The end upper layer underframe adopts a plate girder type structure. The middle upper layer underframe adopts a plate girder type structure. The number of the upper middle frame locking devices is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe; for example, two middle upper frame locking devices are respectively arranged on one side of the middle upper layer underframe, and the middle upper frame locking devices on the two sides are symmetrically arranged, so that the height of the middle upper layer underframe is stably locked.

Further, the upper middle frame locking device comprises a supporting rod, a sliding piece, a locking piece and a guide rail; one end of the supporting rod is hinged to one side of the lower-layer underframe, and the other end of the supporting rod is provided with a sliding piece; the sliding piece is used for being matched with a guide rail arranged below the middle upper layer underframe and sliding along the width direction of the middle upper layer underframe; and the locking piece is used for locking one end of the support rod provided with the sliding piece and the middle upper layer underframe when the sliding piece slides to the edge of the middle upper layer underframe. According to the structure, the middle upper frame locking device is simple in structure, convenient to use and good in reliability; the upper middle frame locking device comprises a supporting rod, a sliding piece, a locking piece and a guide rail; one end of the supporting rod is hinged to one side of the lower-layer underframe, and the other end of the supporting rod is provided with a sliding piece; the sliding piece is used for being matched with a guide rail arranged below the middle upper layer underframe and sliding along the width direction of the middle upper layer underframe, and the guide rail is arranged along the width direction of the middle upper layer underframe; therefore, when the middle upper frame lifting device drives the middle upper frame to lift, the sliding piece is used for being matched with a guide rail arranged below the middle upper frame and sliding to the edge of the middle upper frame along the width direction of the middle upper frame, then the locking piece locks the end, provided with the sliding piece, of the supporting rod and the middle upper frame, so that the sliding piece cannot move, and the middle upper frame locking device locks the height stability of the middle upper frame. When the locking piece is unlocked, the middle upper frame lifting device drives the middle upper frame to descend, the sliding piece is matched with the guide rail arranged below the middle upper frame and slides to the middle of the middle upper frame along the width direction of the middle upper frame, and finally the middle upper frame is supported on the lower frame.

Furthermore, the number of the upper middle frame lifting devices is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer underframe; the middle and upper frame lifting device is a telescopic air cylinder or a telescopic hydraulic cylinder; the cylinder barrel of the upper middle frame lifting device is fixed with the lower layer underframe and is used for ensuring that the telescopic direction is vertical; the telescopic end part of the middle upper frame lifting device is hinged with the middle upper layer bottom frame, and the end part of the cylinder barrel is hinged with the concave bottom. According to the structure, for example, the number of the middle upper frame lifting devices can be four, one side of the middle upper layer underframe is two, and the middle upper frame lifting devices on the two sides are symmetrically arranged, so that the middle upper layer underframe is stably lifted or lowered by the middle upper frame lifting devices. Middle upper bracket elevating gear can adopt for telescopic cylinder or flexible pneumatic cylinder, and control is simple, in addition, because middle upper bracket locking device locks middle part upper strata chassis height, avoid middle upper bracket elevating gear to receive the pressure of the car of parking on middle part upper strata chassis when out of work, protected telescopic cylinder or telescopic hydraulic cylinder, also need not be equipped with the telescopic cylinder or the telescopic hydraulic cylinder of big specification for the lifting force, because required lifting force is smaller, practice thrift the cost. The telescopic cylinder or the telescopic hydraulic cylinder always has a length, and the concave bottom provides the accommodating space. The concave bottom is a part with a concave part in the middle of the lower-layer chassis and comprises a concave bottom surface and two side walls connected with the bottom surface. The middle upper frame lifting device can also adopt other existing lifting structures matched with a gear rack, can adopt a telescopic cylinder or a telescopic hydraulic cylinder, and can utilize the stroke of a multistage telescopic cylinder to drive the middle upper layer underframe to descend to the lower layer underframe, so that the loading requirement of the 1AAA wide high box is met. The cylinder barrel of the upper middle frame lifting device is fixed with the lower layer underframe and is used for ensuring that the telescopic direction is vertical, so that the middle upper layer underframe can stably and vertically ascend or descend; because the middle upper frame lifting device is a telescopic air cylinder or a telescopic hydraulic cylinder, the middle upper frame lifting device is provided with a telescopic end part and a cylinder barrel end part, the telescopic end part of the middle upper frame lifting device is hinged with the middle upper layer bottom frame, the cylinder barrel end part is hinged with the concave bottom, and the middle upper frame lifting device can drive the middle upper layer bottom frame to lift.

Furthermore, the sliding part is a cylindrical sliding block and is fixed at one end of the supporting rod; the guide rail is a guide plate with a sliding groove; the sliding groove extends along the width direction of the middle upper layer underframe; the cylindrical sliding block penetrates through the sliding groove. According to the structure, the sliding part can be a cylindrical sliding block, for example, the sliding block is welded at one end of the supporting rod, and the guide rail is a guide plate with a sliding groove; the sliding groove extends along the width direction of the middle upper layer underframe; the cylindrical sliding block penetrates through the sliding groove, and when the middle upper-layer underframe is lifted, the cylindrical sliding block can move along the width direction of the middle upper-layer underframe, so that the structure is simple and reliable, and the manufacturing cost is low.

Furthermore, the locking piece comprises a first hole lug arranged at one side of the middle upper layer underframe, a second hole lug arranged at one end of the support rod with the sliding piece and a locking pin; when the sliding piece slides to the edge of the middle upper layer chassis, the through holes of the first hole lug and the second hole lug are aligned, so that the lock pin can be inserted into the through holes of the first hole lug and the second hole lug, and the end, provided with the sliding piece, of the support rod is locked with the middle upper layer chassis. According to the structure, when the middle upper layer underframe is stably lifted by the middle upper layer underframe lifting device and the sliding piece slides to the edge of the middle upper layer underframe, the through holes of the first hole lug and the second hole lug are aligned, the lock pin can be inserted into the through holes of the first hole lug and the second hole lug, at the moment, the sliding piece cannot move, one end, provided with the sliding piece, of the support rod is locked with the middle upper layer underframe, and the middle upper layer underframe is stably locked by the middle upper layer underframe locking device. The lock pin can adopt a spring bolt or a self-locking pin. The middle upper layer bottom frame is supported by the support rod, so that the middle upper frame lifting device is prevented from being pressed during bearing.

Furthermore, the middle upper layer underframe is provided with a long hole arranged along the width direction; the long-strip hole is used for avoiding the interference between the second hole lug and the middle upper layer underframe in the sliding process of the sliding piece. According to the structure, the second hole lug can interfere with the middle upper layer chassis along with the sliding process of the sliding piece, so that the long hole is arranged to avoid the second hole lug; the second eyelet may extend into the elongated hole during movement.

Furthermore, the middle underframe lifting device also comprises middle upper frame reinforcing devices in one-to-one correspondence with the middle upper frame locking devices in number; the upper middle frame reinforcing device comprises two reinforcing rods; two anchor strut one ends articulate respectively in the bracing piece both sides, and the other end respectively articulates on establishing the rotation seat at lower floor's chassis, makes two anchor strut can along with the bracing piece along middle part upper strata chassis width direction upset and avoid the bracing piece to overturn along middle part upper strata chassis length direction. As can be seen from the above structure, each upper middle frame locking device is provided with an upper middle frame reinforcing device, which comprises two reinforcing rods; reinforcing bar one end articulates in bracing piece one side, and the other end articulates on establishing the rotation seat at lower floor's chassis, and rotation seat and lower floor's chassis are articulated, and two reinforcing bars set up about the bracing piece symmetry, and two reinforcing bars can be along with the bracing piece along the upset of middle part upper strata chassis width direction and avoid the bracing piece to overturn along middle part upper strata chassis length direction, and when the transport vechicle longitudinal shock, the bracing piece received along the power of middle part upper strata chassis length direction upset, and two reinforcing bars have improved the stability of bracing piece.

Furthermore, the multi-stage telescopic sleeve comprises a plurality of supporting sleeves which are nested from inside to outside in sequence; the supporting sleeve is provided with a plurality of matching holes arranged along the length direction of the supporting sleeve; the matching hole is used for inserting a lock pin to lock the length of the multi-stage telescopic sleeve; the upper end of the end upper frame lifting device and the upper end of the supporting sleeve at the innermost part of the multi-stage telescopic sleeve are hinged with an upper hinge seat together, and the lower end of the end upper frame lifting device and the lower end of the supporting sleeve at the outermost part of the multi-stage telescopic sleeve are hinged with a lower hinge seat together; the upper hinge seat is fixed on one side of the upper-layer underframe at the end part, and the lower hinge seat is fixed on one side of the lower-layer underframe; and the end upper frame rotating device is used for driving the outermost support sleeve of the multistage telescopic sleeve to turn along the length direction of the lower-layer underframe. According to the structure, the multistage telescopic sleeve comprises a plurality of supporting sleeves which are sequentially nested from inside to outside, if the multistage telescopic sleeve is three-stage, the multistage telescopic sleeve comprises an outer supporting sleeve, a middle supporting sleeve and an inner supporting sleeve which are sequentially nested from outside to inside, and each supporting sleeve is provided with a plurality of matching holes arranged along the length direction of the supporting sleeve; the inner side of the top and the outer side of the bottom of each supporting sleeve are surrounded with a limiting part, so that the supporting sleeve positioned in the supporting sleeve can be pulled to move upwards when the length of the supporting sleeve is insufficient after the supporting sleeve rises along with the upper-layer bottom frame at the end part, and finally the length of the multi-stage telescopic sleeve can be adjusted; the lock pin can adopt a self-locking pin.

Further, the end upper frame rotating device is a telescopic cylinder or a telescopic hydraulic cylinder; the telescopic end part of the end upper frame rotating device is hinged with the outermost support sleeve of the multistage telescopic sleeve, and the end part of the cylinder barrel is hinged with one side of the lower-layer underframe; the end upper frame lifting device is a telescopic air cylinder or a telescopic hydraulic cylinder; the end-to-upper frame control device also comprises a stabilizing rod; one end of the stabilizing rod is hinged with the lower-layer underframe, and the other end of the stabilizing rod is detachably connected with a third hole lug arranged on a support sleeve at the outermost part of the multi-stage telescopic sleeve; the stabilizing rod is used for enclosing a stabilizing triangle with the outermost supporting sleeve of the multi-stage telescopic sleeve and the lower-layer underframe; one end of the end part upper layer underframe is hinged with a ferry plate, and the other end of the end part upper layer underframe is hinged with an end part upper layer auxiliary underframe; the auxiliary bottom frame on the upper layer of the end part is used for connecting the middle upper layer bottom frame arranged above the concave bottom when the upper layer bottom frame on the end part is in a rising state, and the auxiliary bottom frame on the upper layer of the end part can be turned downwards to be stored below the middle upper layer bottom frame when the upper layer bottom frame on the end part is in a falling state. According to the structure, the upper end frame rotating device is a telescopic cylinder or a telescopic hydraulic cylinder, the control is simple, the multistage telescopic sleeves are controlled through stretching, the upper end frame lifting device is controlled to rotate, and the upper end frame base frame at the end part can be supported on the lower layer base frame along the length direction after being deviated. The end upper frame rotating device can also be a power mechanism with other gears and racks matched. The end upper frame lifting device is a telescopic cylinder or a telescopic hydraulic cylinder, is simple to control, controls the height and the angle of the end upper layer chassis through telescoping, and is also convenient to be arranged in the multi-stage telescopic sleeve. The lifting device for the end upper frame can also be a power mechanism matched with other gears and racks. The multi-stage telescopic sleeve can be turned over, so that the multi-stage telescopic sleeve needs to be locked after the position of the multi-stage telescopic sleeve is determined, and the end-to-upper-frame rotating device is prevented from being in a working state all the time; the stabilizing rod can be a pull rod with adaptive length or an adjustable telescopic threaded rod, and has simple structure and low manufacturing cost. One end of the stabilizing rod is hinged with the lower-layer underframe, and the other end of the stabilizing rod can be connected with a third hole lug arranged on a support sleeve at the outermost part of the multi-stage telescopic sleeve through a lock pin, namely the lock pin is inserted into a through hole of the third hole lug and a through hole corresponding to the stabilizing rod at the end; the stabilizing rod is used for enclosing a stabilizing triangle with the outermost supporting sleeve of the multistage telescopic sleeve and the lower-layer underframe. When the multi-stage telescopic sleeve needs to rotate, the lock pin is pulled down. The cab apron adopts the existing movable cab apron, which is convenient for loading and unloading goods to the transport vehicle. The other end of the end upper layer underframe is hinged with an end upper layer auxiliary underframe, and the end upper layer auxiliary underframe is used for connecting a middle upper layer underframe arranged above the concave bottom when the end upper layer underframe is in a rising state. Therefore, in a rising state, a space is formed between the end upper layer underframe and the middle upper layer underframe, the end upper layer auxiliary underframe is used for compensating the space, and if the space is not formed, the end upper layer underframe deviates along the length direction and then collides with the middle upper layer underframe. When the lower part is in a descending state, the end part upper layer auxiliary underframe can be turned downwards and stored below the middle part upper layer underframe. The end upper chassis is connected with the lowered middle upper chassis after being deviated in the length direction. The end-put-on-shelf control device also comprises a transverse stabilizer bar; one end of the transverse stabilizer bar is connected with the upper-layer underframe at the end part, and the other end of the transverse stabilizer bar is connected with the outermost support sleeve of the multi-stage telescopic sleeve; the transverse stabilizer bar is used for enclosing a stable triangle with the multistage telescopic sleeve and the end upper layer underframe; the transverse stabilizer bar is detachable.

Furthermore, the device also comprises a coupler buffer device, a braking device and a bogie; the car coupler buffer device, the brake device and the bogie are all arranged on the lower-layer underframe; the concave bottom of the lower-layer underframe is correspondingly provided with two connected middle underframe lifting devices, and the high bottoms at two ends are respectively corresponding to one end underframe lifting device; both sides of the end upper layer underframe are provided with upper frame movable fences; the end upper frame movable fence can be locked at an upturning position and can be stored at a downturning position; the upper-layer underframe at the end part is of an arc-shaped structure, the middle part is high, and the two sides are low; the two sides of the middle upper layer underframe are provided with middle upper underframe movable fences; the movable fence of the upper middle frame can be locked at an upturning position and can be stored at a downturning position; a container locking device is arranged on the middle upper layer underframe; and a container locking device is also arranged on the lower-layer underframe. According to the structure, when the operator operates, the upper-layer underframe at the end part is placed at the upturned position to be locked, so that the protection effect is achieved; the end part upper layer underframe is connected to one side of the end part upper layer underframe through the hinge seat, so the end part upper layer underframe can be turned over, matching through holes are drilled on the end part upper layer underframe and the hinge seat, and the end part upper layer underframe can be locked at the turning-over position by inserting the lock pin; when the end part upper layer bottom frame needs to be folded downwards to be stored, the end part upper layer bottom frame is folded to be approximately horizontal to be stored, and the container is prevented from being damaged when being loaded. When the person operates, the movable fence of the upper middle frame is locked at the upturning position to play a role of protection; the middle upper frame movable fence is connected to one side of the middle upper layer bottom frame through the hinge seat, so the middle upper frame movable fence can be turned over, matching through holes are drilled on the middle upper frame movable fence and the hinge seat, and the middle upper frame movable fence can be locked at the turning-over position by inserting the lock pin; when the movable fence of the upper middle frame needs to be folded downwards, the movable fence of the upper middle frame is folded to be approximately horizontal, so that the movable fence of the upper middle frame is prevented from being damaged when a container is loaded. The end part upper layer underframe is of an arc structure, the middle part is high, and the two sides are low. Thus, a larger space is provided between the high bottom and the end upper layer chassis to accommodate the car, because the car is also high in the middle and low on both sides. Container locking devices are used to support and secure containers. For supporting and securing containers. The coupler buffer device, the brake device and the bogie are the technologies of the existing railway vehicles and are not described in detail.

The invention has the beneficial effects that:

1. the invention discloses an automobile-container dual-purpose concave bottom transport vehicle, which overcomes the defect that the existing vehicle can only transport cars, increases the full chassis length container transport function, can be matched with other goods through containers, avoids empty car return transportation, improves the utilization rate of vehicles, reduces the transport cost for users, and has obvious economic benefit. Can avoid the container collision, the structure is exquisite, convenient operation.

2. The invention discloses an automobile-container dual-purpose concave bottom transport vehicle, which can meet the transportation requirements of large vehicles and enrich the types of transport vehicles.

3. The invention discloses an automobile-container dual-purpose concave bottom transport vehicle, which not only realizes the automobile transportation function, but also meets the container loading function of the full chassis length, the transportation capacity is equal to that of a flat vehicle, the empty vehicle transportation is avoided, the dead-season idling is realized, the vehicle utilization rate is improved, the use cost is reduced, and the transportation capacity of a railway line is improved.

4. The invention discloses an automobile-container dual-purpose concave bottom transport vehicle which is convenient to operate, labor-saving, safe and reliable, and reduces the labor intensity of operators.

5. The invention discloses an automobile-container dual-purpose transport vehicle with a concave bottom, which has a horizontal position, a middle position and a full-open position, can be mixed with the existing mainstream car transport vehicles, and improves the applicability of the vehicles.

Drawings

FIG. 1 is a front view of the lifting mechanism of the middle underframe of the present invention, with the upper underframe movable rail in the upturned locked position;

FIG. 2 is a left side view of the lifting device of the middle underframe of the present invention, showing the movable rail of the upper underframe in the upturned locked position;

FIG. 3 is a front view of the lifting device of the middle under-carriage of the present invention in a lowered state, wherein the movable rail of the middle under-carriage is in a downward-turned storage position;

FIG. 4 is a left side view of the lifting device of the middle underframe of the present invention, showing the movable rail of the middle underframe in a downward-turned storage position;

FIG. 5 is a schematic view of the overall structure of two middle underframe lifting devices of the invention in conjunction with a lower underframe;

FIG. 6 is a schematic view of the two middle underframe lifting devices of the present invention cooperating with an integral lower underframe;

FIG. 7 is a partial schematic view of FIG. 6;

FIG. 8 is a schematic view of the axle-measuring structure of the upper chassis of the present invention;

FIG. 9 is a schematic view of the overall structure of the lower chassis of the present invention, with two middle chassis risers engaged and two end chassis risers in a fully lowered position;

FIG. 10 is a schematic view of the present invention in a state of being used in transporting a car;

FIG. 11 is a schematic view of the present invention in a state of use on a transport truck;

FIG. 12 is a schematic view of the present invention in a shipping container configuration;

fig. 13 is a superimposed schematic view of the end chassis lift of the present invention in both raised and lowered positions.

Fig. 14 is a schematic view of the end underframe lifting device of the invention in a raised horizontal working position.

FIG. 15 is a schematic left side view of FIG. 14;

fig. 16 is a schematic view of the end underframe lifting device of the invention in a raised intermediate working position.

Fig. 17 is a schematic view of the end underframe lifting device of the invention in a fully-open working position.

FIG. 18 is a schematic structural view of an end-to-end racking control apparatus of the present invention;

FIG. 19 is a schematic view of the overall construction of the present invention wherein the end upper sub-chassis is shown overlapping the middle upper chassis and in a down-turned condition;

fig. 20 is a schematic view of the container locking mechanism on the lower chassis of the present invention.

In the drawings: 1-lower underframe, 2-middle upper underframe, 3-upper underframe lifting device, 4-upper underframe locking device, 5-concave bottom, 6-supporting rod, 7-sliding piece, 8-locking piece, 9-guide rail, 10-sliding chute, 11-first hole ear, 12-second hole ear, 13-long hole, 14-upper underframe reinforcing device, 15-reinforcing rod, 16-rotating seat, 17-upper underframe movable fence, 18-container locking device, 19-end upper underframe, 20-high bottom, 21-oblique bottom, 22-end upper underframe lifting device, 23-multi-stage telescopic sleeve, 24-end upper underframe rotating device, 25-supporting sleeve, 26-matching hole, 27-upper hinged seat, 28-lower hinged seat, 29-a stabilizing rod, 30-a third hole lug, 31-an end upper frame movable fence, 32-a transition plate, 33-an end upper layer auxiliary underframe, 34-a coupler buffer device, 35-a braking device, 36-a bogie, 37-an outer support sleeve, 38-a middle support sleeve and 39-an inner support sleeve.

Detailed Description

The present invention will be described in further detail below with reference to the drawings and the embodiments, but the present invention is not limited to the following examples.

The first embodiment is as follows:

see figures 1-20. A dual-purpose vehicle-container transport vehicle with concave bottom comprises a lower-layer underframe 1, a middle underframe lifting device and an end underframe lifting device; the middle part of the lower-layer chassis 1 is provided with a concave bottom 5, two ends of the lower-layer chassis are provided with high bottoms 20, and the concave bottom 5 is connected with the high bottoms 20 through an inclined bottom 21; the middle underframe lifting device comprises a middle upper layer underframe 2, an upper middle frame lifting device 3 and an upper middle frame locking device 4; an upper middle frame lifting device 3 is arranged between the concave bottom 5 and the middle upper layer underframe 2; the middle upper frame lifting device 3 is used for controlling the middle upper frame 2 to vertically lift; the number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; the middle upper frame locking device 4 is used for locking the height of the middle upper layer underframe 2; the end underframe lifting device comprises an end upper layer underframe 19 and an end upper frame control device; the end upper layer underframe 19 corresponds to a high bottom 20, four end upper frame control devices are arranged between the high bottom 20 and the end upper layer underframe 19, and a pair of end upper frame control devices are symmetrically arranged at the front and the rear of the end upper layer underframe 19; the end upper frame control device comprises an end upper frame lifting device 22, a multi-stage telescopic sleeve 23 and an end upper frame rotating device 24; the end upper frame lifting device 22 is used for controlling the lifting of the end upper layer bottom frame 19; an end upper frame lifting device 22 is arranged in the multistage telescopic sleeve 23; the multi-stage telescopic sleeve 23 is used for locking the length of the end-to-upper frame lifting device 22; the end-to-end frame rotating device 24 is used for driving the multistage telescopic sleeves 23 to turn along the length direction of the lower-layer underframe 1. According to the structure, the middle part of the lower-layer chassis 1 is provided with the concave bottom 5, the two ends of the lower-layer chassis are provided with the high bottoms 20, and the concave bottom 5 is connected with the high bottoms 20 through the inclined bottoms 21; when the middle upper-layer underframe 2 above the concave bottom 5 is driven by the upper-middle-frame lifting device 3 to rise for a certain height and the upper-layer underframe 19 at the end part is controlled by the four end upper-frame lifting devices 22 to rise, a large SUV car to be transported passes through the high bottom 20 and the inclined bottom 21 to reach the concave bottom 5, a plurality of high large SUV cars can be parked on the concave bottom 5, and the space holding capacity of the transport vehicle is improved by the concave bottom 5; after the ascending height of the middle upper layer underframe 2 is determined, the middle upper layer underframe 2 is locked by the middle upper frame locking device 4, and the pressure of an automobile parked on the middle upper layer underframe 2 when the middle upper frame lifting device 3 does not work is avoided. When the middle upper frame lifting device 3 drives the middle upper frame 2 to descend, the middle upper frame 2 can be finally supported on the lower frame 1; the upper middle frame lifting device 3 is always positioned between the concave bottom 5 and the middle upper layer bottom frame 2. The end upper chassis 19 corresponds to a raised sole 20, so that a large-sized SUV should pass through the raised sole 20 and park a car on the raised sole 20, and the angle of the end upper chassis 19 needs to be adjusted to ensure a space below the end upper chassis 19. The angle of the end upper layer bottom frame 19 is controlled and adjusted through four end upper frame lifting devices 22, and the end upper frame lifting devices 22 are symmetrically arranged on two sides of the front position and two sides of the rear position of the end upper layer bottom frame 19. When the end upper layer chassis 19 ascends, the horizontal working position state, the middle working position state and the full-open working position state are provided, and can be mixed with the existing mainstream car carrier vehicle, so that the applicability of the vehicle is improved, and the outer end of the end upper layer chassis 19 is higher in tilting compared with the middle working position state in the full-open working position state; the fully open operating position is for the large SUV to open to the depressed center 5, the middle operating position is for the cars of a little high point to park on the raised floor 20, and the four end upper frame lifting devices 22 can conveniently adjust the angle of the end upper frame 19 and the height of the end upper frame 19. After the end upper frame lifting device 22 lifts the end upper frame 19 to a height, if the end upper frame 19 is loaded, the end upper frame lifting device 22 is adversely affected by long-term loading, so that the end upper frame lifting device 22 needs to be locked in length by the multi-stage telescopic sleeves 23, namely the multi-stage telescopic sleeves 23 are used for supporting the end upper frame 19. Because the multi-stage telescopic sleeves 23 and the end upper frame lifting device 22 always have a certain length, the end upper frame 19 cannot vertically fall onto the lower-layer underframe 1, and therefore the end upper frame rotating device 24 is needed to drive the multi-stage telescopic sleeves 23 to turn over along the length direction of the lower-layer underframe 1, so that the end upper frame 19 can be supported on the lower-layer underframe 1 after being deflected along the length direction. This transport vechicle not only can double-deck transportation car, supports back and middle part upper strata chassis 2 and supports back on lower floor's chassis 1 when tip upper strata chassis 19, can park big truck or container on tip upper strata chassis 19 and the middle part upper strata chassis 2, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. No barrier exists on the end upper layer underframe 19 and the middle upper layer underframe 2 all the time to obstruct the loading of the container, and the multi-type combined transportation device has the advantages of multi-type combined transportation capability, high transportation efficiency and low transportation cost. The concave bottom 5 is a concave part in the middle of the lower chassis 1 and comprises a concave bottom surface and two side walls connected with the bottom surface. The end upper layer underframe 19 adopts a plate girder type structure. The middle upper layer underframe 2 adopts a plate girder type structure. The number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; for example, two middle upper frame locking devices 4 are respectively arranged on one side of the middle upper layer underframe 2, and the middle upper frame locking devices 4 on the two sides are symmetrically arranged, so that the height of the middle upper layer underframe 2 is stably locked.

Example two:

see figures 1-20. On the basis of the first embodiment, the upper middle frame locking device 4 comprises a support rod 6, a sliding piece 7, a locking piece 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper-layer underframe 2 and sliding along the width direction of the middle upper-layer underframe 2; the locking piece 8 is used for locking the end of the support rod 6 provided with the sliding piece 7 and the middle upper layer bottom frame 2 when the sliding piece 7 slides to the edge of the middle upper layer bottom frame 2. According to the structure, the upper middle frame locking device 4 is simple in structure, convenient to use and good in reliability; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper layer underframe 2 and sliding along the width direction of the middle upper layer underframe 2, and the guide rail 9 is arranged along the width direction of the middle upper layer underframe 2; therefore, when the middle upper chassis 2 is driven by the upper chassis lifting device 3 to ascend, the sliding part 7 is used for being matched with the guide rail 9 arranged below the middle upper chassis 2 and sliding to the edge of the middle upper chassis 2 along the width direction of the middle upper chassis 2, then the locking part 8 locks the end of the support rod 6 provided with the sliding part 7 with the middle upper chassis 2, the sliding part 7 cannot move, and the upper chassis locking device 4 locks the height stability of the middle upper chassis 2. When the locking piece 8 is unlocked, the middle upper frame lifting device 3 drives the middle upper frame 2 to descend, the sliding piece 7 is matched with the guide rail 9 arranged below the middle upper frame 2 and slides to the middle of the middle upper frame 2 along the width direction of the middle upper frame 2, and finally the middle upper frame 2 is supported on the lower frame 1.

The number of the upper middle frame lifting devices 3 is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; the middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder; the cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower layer underframe 1 and is used for ensuring that the telescopic direction is vertical; the telescopic end part of the upper middle frame lifting device 3 is hinged with the middle upper layer bottom frame 2, and the end part of the cylinder barrel is hinged with the concave bottom 5. According to the structure, for example, the number of the middle upper frame lifting devices 3 can be four, one side of the middle upper frame 2 is two, and the middle upper frame lifting devices 3 on the two sides are symmetrically arranged, so that the middle upper frame 2 is stably lifted or lowered by the middle upper frame lifting devices 3. Middle upper bracket elevating gear 3 can adopt for telescopic cylinder or flexible pneumatic cylinder, and control is simple, in addition, because middle upper bracket locking device 4 highly locks middle part upper strata chassis 2, avoid middle upper bracket elevating gear 3 to receive the pressure of the car of parking on middle part upper strata chassis 2 when out of work, telescopic cylinder or flexible pneumatic cylinder have been protected, also need not be equipped with the telescopic cylinder or the flexible pneumatic cylinder of big specification for the lifting force, because required lifting force is smaller, practice thrift the cost. The telescopic cylinder or the telescopic hydraulic cylinder always has a length, and the concave bottom 5 provides the accommodating space. The concave bottom 5 is a concave part in the middle of the lower chassis 1 and comprises a concave bottom surface and two side walls connected with the bottom surface. The middle upper frame lifting device 3 can also adopt other existing lifting structures matched with a gear rack, the middle upper frame lifting device 3 can be a telescopic air cylinder or a telescopic hydraulic cylinder, and the stroke of a multi-stage telescopic cylinder can be utilized to enable the middle upper frame lifting device 3 to drive the middle upper layer underframe 2 to descend to the lower layer underframe 1, so that the loading requirement of a 1AAA wide high box is met. The cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower layer underframe 1 and is used for ensuring that the telescopic direction is vertical, so that the middle upper layer underframe 2 can stably and vertically ascend or descend; because the middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder, the middle upper frame lifting device 3 is provided with a telescopic end part and a cylinder barrel end part, the telescopic end part of the middle upper frame lifting device 3 is hinged with the middle upper layer bottom frame 2, the cylinder barrel end part is hinged with the concave bottom 5, and the middle upper frame lifting device 3 can drive the middle upper layer bottom frame 2 to lift.

The sliding piece 7 is a cylindrical sliding block and is fixed at one end of the supporting rod 6; the guide rail 9 is a guide plate with a sliding groove 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical slider penetrates the sliding groove 10. With the above structure, the sliding member 7 can be a cylindrical sliding block, for example, welded to one end of the support rod 6, and the guide rail 9 is a guide plate with a sliding slot 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical sliding block penetrates through the sliding groove 10, and when the middle upper-layer underframe 2 goes up and down, the cylindrical sliding block can move along the width direction of the middle upper-layer underframe 2, so that the structure is simple and reliable, and the manufacturing cost is low.

The locking piece 8 comprises a first hole lug 11 arranged at one side of the middle upper layer underframe 2, a second hole lug 12 arranged at one end of the support rod 6 with the sliding piece 7 and a lock pin; when the sliding part 7 slides to the edge of the middle upper layer chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, so that the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and the end of the support rod 6 provided with the sliding part 7 is locked with the middle upper layer chassis 2. With the above structure, when the middle upper chassis 2 is stably lifted by the upper chassis lifting device 3 and the sliding member 7 slides to the edge of the middle upper chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and at this time, the sliding member 7 cannot move, and the end of the support rod 6 provided with the sliding member 7 is locked with the middle upper chassis 2, that is, the upper chassis locking device 4 stably locks the height of the middle upper chassis 2. The lock pin can adopt a spring bolt or a self-locking pin. The middle upper layer underframe 2 is supported by the support rod 6, so that the middle upper frame lifting device 3 is prevented from being pressed when bearing.

The middle upper layer underframe 2 is provided with a strip hole 13 arranged along the width direction; the elongated hole 13 is used to avoid interference between the second eyelet 12 and the middle upper chassis 2 during sliding of the slider 7. As can be seen from the above structure, since the second eyelet 12 interferes with the middle upper chassis 2 during the sliding process of the slider 7, the elongated hole 13 is provided to avoid the second eyelet 12; the second eyelet 12 may extend into the elongated hole 13 during movement.

The middle underframe lifting device also comprises middle and upper underframe reinforcing devices 14 in one-to-one correspondence with the number of the middle and upper underframe locking devices 4; the upper middle frame reinforcing device 14 comprises two reinforcing rods 15; two reinforcing rods 15 one end articulate respectively in bracing piece 6 both sides, and the other end respectively articulates on establishing the rotation seat 16 of lower floor's chassis 1, makes two reinforcing rods 15 can overturn and avoid bracing piece 6 to overturn along middle part upper strata chassis 2 length direction along middle part upper strata chassis 2 width direction along with bracing piece 6. As can be seen from the above structure, each upper middle frame locking device 4 is provided with an upper middle frame reinforcing device 14, and the upper middle frame reinforcing device 14 comprises two reinforcing rods 15; reinforcing rod 15 one end articulates in bracing piece 6 one side, the other end articulates on establishing the rotation seat 16 at lower floor's chassis 1, it is articulated with lower floor's chassis 1 to rotate seat 16, two reinforcing rods 15 set up about bracing piece 6 symmetry, two reinforcing rods 15 can be along with bracing piece 6 along the upset of 2 width direction on middle part upper strata chassis and avoid bracing piece 6 along the upset of 2 length direction on middle part upper strata chassis, when the transport vechicle vertically strikes, bracing piece 6 receives the power along the upset of 2 length direction on middle part upper strata chassis, two reinforcing rods 15 have improved the stability of bracing piece 6.

Example three:

see figures 1-20. On the basis of the second embodiment, the multi-stage telescopic sleeve 23 comprises a plurality of supporting sleeves 25 which are nested from inside to outside in sequence; the supporting sleeve 25 is provided with a plurality of matching holes 26 arranged along the length direction of the supporting sleeve 25; the matching hole 26 is used for inserting a lock pin to lock the length of the multi-stage telescopic sleeve 23; the upper end of the end upper frame lifting device 22 and the upper end of the supporting sleeve 25 at the innermost part of the multi-stage telescopic sleeve 23 are hinged with an upper hinge seat 27, and the lower end of the end upper frame lifting device 22 and the lower end of the supporting sleeve 25 at the outermost part of the multi-stage telescopic sleeve 23 are hinged with a lower hinge seat 28; the upper hinge seat 27 is fixed on one side of the upper-layer underframe 19 at the end part, and the lower hinge seat 28 is fixed on one side of the lower-layer underframe 1; the end-to-end frame rotating device 24 is used for driving the outermost support sleeve 25 of the multi-stage telescopic sleeve 23 to turn along the length direction of the lower-layer chassis 1. According to the structure, the multi-stage telescopic sleeve 23 comprises a plurality of supporting sleeves 25 which are nested in sequence from inside to outside, if the multi-stage telescopic sleeve 23 is three-stage, the multi-stage telescopic sleeve 23 comprises an outer supporting sleeve 34, a middle supporting sleeve 35 and an inner supporting sleeve 36 which are nested in sequence from outside to inside, and each supporting sleeve 25 is provided with a plurality of matching holes 26 which are arranged along the length direction of the supporting sleeve 25; the inner side of the top and the outer side of the bottom of each supporting sleeve 25 are surrounded with a limiting part, so that when the length of the supporting sleeve 25 positioned inside is insufficient after the supporting sleeve 25 ascends along with the upper underframe 19 at the end part, the supporting sleeve 25 at the outer part is pulled to move upwards, the length of the multi-stage telescopic sleeve 23 is finally adjustable, and when the multi-stage telescopic sleeve 23 needs to be locked, only a lock pin needs to be inserted into a corresponding aligned matching hole 26 to lock the length of the multi-stage telescopic sleeve 23, namely, the supporting sleeves 25 cannot move mutually; the lock pin can adopt a self-locking pin.

The end upper frame rotating device 24 is a telescopic cylinder or a telescopic hydraulic cylinder; the telescopic end part of the end upper frame rotating device 24 is hinged with the outermost support sleeve 25 of the multi-stage telescopic sleeve 23, and the end part of the cylinder barrel is hinged with one side of the lower-layer underframe 1; the end upper frame lifting device 22 is a telescopic cylinder or a telescopic hydraulic cylinder; the end racking control device further comprises a stabilizing rod 29; one end of the stabilizing rod 29 is hinged with the lower-layer underframe 1, and the other end of the stabilizing rod is detachably connected with a third hole lug 30 arranged on a support sleeve 25 at the outermost part of the multistage telescopic sleeve 23; the stabilizing rod 29 is used for enclosing a stabilizing triangle with the outermost supporting sleeve 25 of the multistage telescopic sleeve 23 and the lower-layer underframe 1; one end of the end part upper layer underframe 19 is hinged with a ferry plate 32, and the other end is hinged with an end part upper layer auxiliary underframe 33; the auxiliary bottom frame 33 on the upper end part is used for connecting the middle upper bottom frame 2 arranged above the concave bottom 5 when the upper bottom frame 19 on the upper end part is in a rising state, and the auxiliary bottom frame 33 on the upper end part can be turned downwards to be accommodated below the middle upper bottom frame 2 when the upper bottom frame 19 on the upper end part is in a falling state. According to the structure, the end upper frame rotating device 24 is a telescopic air cylinder or a telescopic hydraulic cylinder, the control is simple, the multi-stage telescopic sleeve 23 and the end upper frame lifting device 22 are controlled to rotate through telescopic, and the end upper frame 19 can be supported on the lower frame 1 after being deflected along the length direction. The end-to-end frame rotating device 24 may be other gear and rack-coupled power mechanisms. The upper end frame lifting device 22 is a telescopic air cylinder or a telescopic hydraulic cylinder, is simple to control, controls the height and the angle of the end upper layer bottom frame 19 through stretching, and is convenient to arrange in the multi-stage telescopic sleeve 23 through the upper end frame lifting device 22. The end-to-end frame lifting device 22 may also be other power mechanism with a gear and a rack matched with each other. Because the multi-stage telescopic sleeve 23 can be turned over, after the position of the multi-stage telescopic sleeve 23 is determined, locking is required, and the end-to-upper-frame rotating device 24 is prevented from being in a working state all the time; the stabilizing rod 29 can be a pull rod with adaptive length or an adjustable telescopic threaded rod, and has simple structure and low manufacturing cost. One end of the stabilizing rod 29 is hinged with the lower chassis 1, and the other end of the stabilizing rod can be connected with a third hole lug 30 arranged on the outermost support sleeve 25 of the multistage telescopic sleeve 23 through a lock pin, namely, the lock pin is inserted into a through hole of the third hole lug 30 and a corresponding through hole of the stabilizing rod 29 at the end; the stabilizing rod 29 is used for enclosing a stable triangle with the outermost supporting sleeve 25 of the multi-stage telescopic sleeve 23 and the lower-layer underframe 1. When the multi-stage telescopic sleeve 23 needs to rotate, the lock pin is pulled down. The ferry plate 32 is a conventional movable ferry plate, and is used for facilitating the loading and unloading of goods onto the transport vehicle. The other end of the end upper layer underframe 19 is hinged with an end upper layer auxiliary underframe 33, and the end upper layer auxiliary underframe 33 is used for connecting the middle upper layer underframe 2 arranged above the concave bottom 5 when the end upper layer underframe 19 is in a lifting state. Therefore, in the raised state, there is a gap between the end upper chassis 19 and the middle upper chassis 2, and the end upper auxiliary chassis 33 is used to compensate for the gap, and if there is no gap, the end upper chassis 19 is offset in the longitudinal direction and collides with the middle upper chassis 2. When in a descending state, the end upper auxiliary chassis 33 can be folded down and stored under the middle upper chassis 2. The end upper chassis 19 is offset in the length direction and then engages with the lowered middle upper chassis 2. The end-put-on-shelf control device also comprises a transverse stabilizer bar; one end of the transverse stabilizer bar is connected with the upper-layer underframe 19 at the end part, and the other end of the transverse stabilizer bar is connected with the outermost supporting sleeve 25 of the multistage telescopic sleeve 23; the transverse stabilizer bar is used for enclosing a stable triangle with the multistage telescopic sleeve 23 and the end upper layer underframe 19; the transverse stabilizer bar is detachable.

The coupler buffer device 34, the braking device 35 and the bogie 36 are further included; the coupler buffer device 34, the brake device 35 and the bogie 36 are all arranged on the lower underframe 1; the concave bottom 5 of the lower-layer underframe 1 is correspondingly provided with two connected middle underframe lifting devices, and the high bottoms 20 at two ends are respectively corresponding to one end underframe lifting device; both sides of the end upper layer underframe 19 are provided with end upper frame movable fences 31; the end-up movable rail 31 can be locked at an upturning position and can be stored at a downturning position; the end part upper layer underframe 19 is of an arc structure, the middle part is high, and the two sides are low; the two sides of the middle upper layer underframe 2 are both provided with an upper middle underframe movable fence 17; the upper middle movable rail 17 can be locked at an upturning position and can be stored at a downturning position; the middle upper layer underframe 2 is provided with a container locking device 18; the lower chassis 1 is also provided with a container locking device 18. According to the structure, when the operator operates, the end upper layer underframe 19 is locked at the upturned position to play a role in protection; the end upper layer underframe 19 is connected with one side of the end upper layer underframe 19 through a hinged seat, so the end upper layer underframe 19 can be overturned, matching through holes are drilled on the end upper layer underframe 19 and the hinged seat, and the end upper layer underframe 19 can be locked at an overturned position by inserting a lock pin; when the end upper layer underframe 19 needs to be stored at a downward-turning position, the end upper layer underframe 19 is turned to be stored at a roughly horizontal position, so that the container is prevented from being damaged when being loaded. When the operator operates the device, the movable rail 17 of the upper middle frame is locked at the upturning position to play a role of protection; the movable fence 17 of the upper middle frame is connected to one side of the middle upper layer underframe 2 through a hinged seat, so the movable fence 17 of the upper middle frame can be turned over, matching through holes are drilled on the movable fence 17 of the upper middle frame and the hinged seat, and the movable fence 17 of the upper middle frame can be locked at the turning-over position by inserting a lock pin; when the movable fence 17 of the upper middle frame needs to be folded down to be stored, the movable fence 17 of the upper middle frame is folded to be approximately horizontal to be stored, and the container is prevented from being damaged when being loaded. The end upper layer underframe 19 is of an arc structure, the middle part is high, and the two sides are low. Thus, there is a larger space between the raised floor 20 and the end upper floor chassis 19 to accommodate the car, since the car is also higher in the middle and lower in the sides. The container locking device 18 is used to support and secure the container. For supporting and securing containers. The coupler draft gear 34, the brake rigging 35 and the bogie 36 are conventional railway car technology and will not be described in detail.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a dual-purpose depressed center transport vechicle of car-container which characterized in that: comprises a lower-layer underframe (1), a middle underframe lifting device and an end underframe lifting device; the middle part of the lower-layer chassis (1) is provided with a concave bottom (5), two ends of the lower-layer chassis are provided with high bottoms (20), and the concave bottom (5) is connected with the high bottoms (20) through inclined bottoms (21); the middle underframe lifting device comprises a middle upper layer underframe (2), an upper middle frame lifting device (3) and an upper middle frame locking device (4); an upper middle frame lifting device (3) is arranged between the concave bottom (5) and the middle upper layer underframe (2); the middle upper frame lifting device (3) is used for controlling the middle upper frame (2) to vertically lift; the number of the upper middle frame locking devices (4) is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe (2); the middle upper frame locking device (4) is used for locking the height of the middle upper layer underframe (2); the end underframe lifting device comprises an end upper layer underframe (19) and an end upper frame control device; the end part upper layer underframe (19) corresponds to a high bottom (20), four end upper frame control devices are arranged between the high bottom (20) and the end part upper layer underframe (19), and a pair of end upper frame control devices are symmetrically arranged at the front and rear positions of the end part upper layer underframe (19); the end upper frame control device comprises an end upper frame lifting device (22), a multi-stage telescopic sleeve (23) and an end upper frame rotating device (24); the end upper frame lifting device (22) is used for controlling the lifting of the end upper layer underframe (19); an end upper frame lifting device (22) is arranged in the multi-stage telescopic sleeve (23); the multi-stage telescopic sleeve (23) is used for locking the length of the end-to-upper frame lifting device (22); the end-to-upper frame rotating device (24) is used for driving the multistage telescopic sleeves (23) to turn over along the length direction of the lower-layer underframe (1).

2. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 1, characterized in that: the upper middle frame locking device (4) comprises a support rod (6), a sliding piece (7), a locking piece (8) and a guide rail (9); one end of the supporting rod (6) is hinged to one side of the lower-layer chassis (1), and the other end of the supporting rod is provided with a sliding part (7); the sliding piece (7) is used for being matched with a guide rail (9) arranged below the middle upper layer underframe (2) and sliding along the width direction of the middle upper layer underframe (2); and the locking piece (8) is used for locking one end of the support rod (6) provided with the sliding piece (7) with the middle upper layer chassis (2) when the sliding piece (7) slides to the edge of the middle upper layer chassis (2).

3. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 2, characterized in that: the number of the upper middle frame lifting devices (3) is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer underframe (2); the middle upper frame lifting device (3) is a telescopic air cylinder or a telescopic hydraulic cylinder; the cylinder barrel of the upper middle frame lifting device (3) is fixed with the lower layer underframe (1) and used for ensuring that the stretching direction is vertical; the telescopic end part of the middle upper frame lifting device (3) is hinged with the middle upper layer underframe (2), and the end part of the cylinder barrel is hinged with the concave bottom (5).

4. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 2, characterized in that: the sliding part (7) is a cylindrical sliding block and is fixed at one end of the supporting rod (6); the guide rail (9) is a guide plate with a sliding groove (10); the sliding groove (10) extends along the width direction of the middle upper-layer underframe (2); the cylindrical sliding block penetrates through the sliding groove (10).

5. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 2, characterized in that: the locking piece (8) comprises a first hole lug (11) arranged on one side of the middle upper chassis (2), a second hole lug (12) arranged at one end of the support rod (6) with the sliding piece (7) and a lock pin; when the sliding piece (7) slides to the edge of the middle upper layer chassis (2), the through holes of the first hole lug (11) and the second hole lug (12) are aligned, so that the lock pin can be inserted into the through holes of the first hole lug (11) and the second hole lug (12), and one end, provided with the sliding piece (7), of the support rod (6) is locked with the middle upper layer chassis (2).

6. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 5, wherein: the middle upper layer underframe (2) is provided with a strip hole (13) arranged along the width direction; the long hole (13) is used for avoiding the interference between the second hole lug (12) and the middle upper layer chassis (2) in the sliding process of the sliding piece (7).

7. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 2, characterized in that: the middle underframe lifting device also comprises middle and upper frame reinforcing devices (14) in one-to-one correspondence with the number of the middle and upper frame locking devices (4); the upper middle frame reinforcing device (14) comprises two reinforcing rods (15); two strengthening rods (15) one end articulate respectively in bracing piece (6) both sides, and the other end respectively articulates on establishing rotation seat (16) in lower floor's chassis (1), makes two strengthening rods (15) can be along with bracing piece (6) along middle part upper strata chassis (2) width direction upset and avoid bracing piece (6) along middle part upper strata chassis (2) length direction upset.

8. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 1, characterized in that: the multistage telescopic sleeve (23) comprises a plurality of supporting sleeves (25) which are nested in sequence from inside to outside; the supporting sleeve (25) is provided with a plurality of matching holes (26) arranged along the length direction of the supporting sleeve (25); the matching hole (26) is used for inserting a lock pin to lock the length of the multi-stage telescopic sleeve (23); the upper end of the end upper frame lifting device (22) and the upper end of the supporting sleeve (25) at the innermost part of the multi-stage telescopic sleeve (23) are hinged with an upper hinged seat (27) together, and the lower end of the end upper frame lifting device (22) and the lower end of the supporting sleeve (25) at the outermost part of the multi-stage telescopic sleeve (23) are hinged with a lower hinged seat (28) together; the upper hinge seat (27) is fixed on one side of the upper-layer underframe (19) at the end part, and the lower hinge seat (28) is fixed on one side of the lower-layer underframe (1); the end-to-upper frame rotating device (24) is used for driving the outermost support sleeve (25) of the multistage telescopic sleeve (23) to turn along the length direction of the lower-layer underframe (1).

9. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 8, wherein: the end upper frame rotating device (24) is a telescopic cylinder or a telescopic hydraulic cylinder; the telescopic end part of the end upper frame rotating device (24) is hinged with the outermost support sleeve (25) of the multi-stage telescopic sleeve (23), and the end part of the cylinder barrel is hinged with one side of the lower-layer underframe (1); the end upper frame lifting device (22) is a telescopic air cylinder or a telescopic hydraulic cylinder; the end-to-end racking control device further comprises a stabilizing rod (29); one end of the stabilizing rod (29) is hinged with the lower-layer underframe (1), and the other end of the stabilizing rod is detachably connected with a third hole lug (30) arranged on a supporting sleeve (25) at the outermost part of the multi-stage telescopic sleeve (23); the stabilizing rod (29) is used for enclosing a stabilizing triangle with the outermost supporting sleeve (25) of the multistage telescopic sleeve (23) and the lower-layer underframe (1); one end of the end part upper layer underframe (19) is hinged with a ferry plate (32), and the other end is hinged with an end part upper layer auxiliary underframe (33); the end upper layer auxiliary underframe (33) is used for connecting the middle upper layer underframe (2) arranged above the concave bottom (5) when the end upper layer underframe (19) is in a rising state, and the end upper layer auxiliary underframe (33) can be turned downwards to be stored below the middle upper layer underframe (2) when the end upper layer underframe (19) is in a falling state.

10. The dual-purpose vehicle-container depressed bottom transport vehicle of claim 1, characterized in that: the device also comprises a coupler buffer device (34), a braking device (35) and a bogie (36); the coupler buffer device (34), the braking device (35) and the bogie (36) are all arranged on the lower-layer underframe (1); the concave bottom (5) of the lower-layer underframe (1) is correspondingly provided with two connected middle underframe lifting devices, and the high bottoms (20) at two ends are respectively corresponding to one end underframe lifting device; both sides of the end part upper layer underframe (19) are provided with an upper frame movable fence (31); the end upper frame movable fence (31) can be locked at an upturning position and can be stored at a downturning position; the end part upper layer underframe (19) is of an arc structure, the middle part is high, and the two sides are low; both sides of the middle upper layer underframe (2) are provided with middle upper frame movable fences (17); the upper middle frame movable rail (17) can be locked at an upturning position and can be stored at a downturning position; a container locking device (18) is arranged on the middle upper layer underframe (2); and the lower-layer underframe (1) is also provided with a container locking device (18).