CN101224723B

CN101224723B - Double layer carriage

Info

Publication number: CN101224723B
Application number: CN2008100067966A
Authority: CN
Inventors: 王胜坤
Original assignee: Qiqihar Railway Rolling Stock Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd
Priority date: 2008-01-31
Filing date: 2008-01-31
Publication date: 2011-07-27
Anticipated expiration: 2028-01-31
Also published as: CN101224723A

Abstract

The invention discloses a double-layered carriage, an upper layer floor of the carriage comprises at least one active floor which can be lifted in the vertical direction or rotated in the vertical surface. The invention has the advantages that the active floor is connected with a carriage frame by hinged pivots, which are taken as the rotation center when the active floor is lifted, and the other side of the active floor provides the lifting force for lifting the active floor; a lifting oil cylinder which is used for lifting the active floor is arranged at one end of the active floor which is farther from the hinged pivots; one end of the oil cylinder is fixed on a lower layer floor or the carriage frame, and the other end of the oil cylinder is fixed on the upper layer floor. Compared with the prior art, the double-layered carriage provided by the invention has an active upper layer base plate in the corresponding narrow position of the vertical carriage space. By adjusting the upper layer base plate upwards, the invention allows the goods with larger height to pass the narrow position and enter the position with larger vertical space, thus not affecting the space utilization of the positions. .

Description

Double layer carriage

Technical field

The present invention relates to the compartment technology, especially relate to a kind of double layer carriage.

Background technology

In order effectively to utilize vehicle gauge, at present, use double layer carriage in many occasions.For example, transport roadlice at present and generally adopt the double layer carriage railway truck,, can make full use of the transport capacity of space, compartment and locomotive, reduce traffic cost by bilevel compartment is provided.

The spacing distance up and down of present double layer carriage is subjected to the restriction of vehicle gauge, and when transporting higher roadlice, the transport trolley of the common double layer carriage shown in Fig. 1 does not satisfy operating needs.

If the midway location of floor underframe for vehicle is designed to the concave bottom form, can load higher roadlice in recessed position, and at the two ends of vehicle, then can the lower roadlice of loading height.

Fig. 2 illustrates a railway truck double layer carriage that is used to transport roadlice.As can be seen from the figure, in the rear and front end of this compartment 2-1, owing to be mounted with wheel 2-2 under the cabin floor, make cabin floor 2-3 projection, the cabin floor 2-3 of middle part is then more low-lying.Finally, this cabin floor forms two head heights, umbilicate form.

The problem that said structure causes is that the cooresponding narrower vertical space of cabin floor boss has influenced the use of the vertical space at other position.For example, bottom cargo-carring roadlice height in compartment can not surpass the height space at narrow position of vertical space among Fig. 2, because roadlice needs in loading onto the process in compartment through narrower position, these spaces.In actual use, a general compartment only loads roadlice when loading roadlice, like this, in most cases and since middle recessed formation than large space because roadlice can't lose meaning by the narrow positions of end, compartment.

Summary of the invention

At above-mentioned defective, the technical matters that the present invention solves is that a kind of double layer carriage is provided, and this compartment can solve the influence of compartment vertical space narrow positions to handling goods, reaches the purpose that makes full use of the compartment available space.

Double layer carriage provided by the invention is a goods train carriage, its upper floor comprise at least one can be at the moving floor of vertical direction lifting, described moving floor connects the compartment framework by hinged support; The centre of gration that this hinged support provides this moving floor to raise provides lifting power that this moving floor is lifted at the opposite side of this moving floor.

Preferably, the far-end at the described hinged support of this moving floor distance has the lifting oil cylinder that is used for the described moving floor of lifting; This lifting oil cylinder one end is fixed on lower floor or the compartment framework, and the other end is fixed on the moving floor.

Preferably, the pressure oil source in the described lifting oil cylinder specifically is a Gas-liquid pump, and described Gas-liquid pump utilizes compressed-air actuated pressure to produce hydraulic power as propulsive effort.

Preferably, described Gas-liquid pump adopts the pressurized air that the tractor truck propulsion source in this compartment provides; Perhaps adopt independently compressed gas source of outside.

Preferably, described upper floor comprises polylith floor independently separately.

Preferably, the position of described moving floor on the car length direction is corresponding to the position of compartment lower floor projection.

Preferably, the position of described moving floor is specifically in the end in compartment.

Preferably, described moving floor comprises two, is respectively the floor of front-end and back-end, compartment.

Compared with prior art, double layer carriage provided by the invention in the narrow positions of corresponding compartment vertical space, has mobilizable upper strata base plate.By adjusting upward this upper strata base plate, the goods that can allow to have higher size enters the bigger position of vertical space by this narrow positions, the influence that the space utilization at these positions can not be subjected to.

In preferred implementation provided by the invention, the oil cylinder that adopts vertical direction is as the described upper strata of power element jack-up base plate, and the easier realization of this mode is to the lifting control of upper strata base plate.In further preferred version, described oil cylinder adopts Gas-liquid pump that air pressure is converted into pressure oil, and this mode can utilize the power of transportation device self that hydraulic efficiency power unit is provided, and is convenient to being extensive use of of this technical scheme.

Description of drawings

Fig. 1 is the railway truck double layer carriage that is used to transport roadlice in the prior art;

Fig. 2 is the transportation roadlice railway truck double layer carriage with concave bottom frame;

Fig. 3 is the double layer carriage structural representation that first embodiment of the invention provides;

Fig. 4 is the floor panel structure scheme drawing of the double layer carriage that provides of first embodiment of the invention; Wherein moving floor is in down state;

Fig. 5 is the floor panel structure scheme drawing of the double layer carriage that provides of first embodiment of the invention; Wherein moving floor is in the state of lifting.

The specific embodiment

Please referring to Fig. 3, this figure is the structural representation of the double layer carriage that first embodiment of the invention provided.This double layer carriage specifically is a goods train carriage.

As shown in the drawing, the rear and front end in this compartment 1 is because the compartment wheel 2 of bottom, and lower floor 3 is raised up in short transverse.Then owing to there is not wheel, it is highly lower in the middle part of described lower floor 3 on the car length direction.Because said structure makes the interlayer height of this compartment 1 bottom have variation on the length direction in compartment 2, the interlayer higher primary school at its two ends is tall and big between interlayer.Front end, rear end refer to the left side and the right side in graphic compartment 1 respectively among the figure.

The upper floor 4 in this compartment 1 so it is horizontal linear in whole length, does not have height convex-concave position owing to do not need to dodge described compartment wheel 2.This in height is consistent the last sheaf space in this compartment 1.

Because described compartment 1 bottom two ends height is lower, when handling goods, this position has produced influence to the turnover of goods.As shown in FIG., when the loading and unloading roadlice, roadlice need move to the front portion in 1 rear end from the compartment, enters compartment 1 one by one.Some highly are enough to the roadlice that held by compartment 1 bottom interlude, but surpass the height of the high smaller portions of compartment 1 bottom rear end position interlayer, can not reach the bottom stage casing by this position smoothly, for this reason, this compartment 1 is provided with moving floor on upper floor 4, please referring to Fig. 4, Fig. 5.Fig. 4 is in the situation of the state of not lifting for moving floor, and Fig. 5 is the situation that moving floor is in the state of lifting.

As shown in Figure 4, described upper floor 4 end wises are divided into three.Be respectively rear end moving floor 41, center fixed floor 42, front end moving floor 43.Three floors in this compartment 1 by after connect to arrange successively forward.Wherein, the front end of described rear end moving floor 41 is fixed on the frame by first hinged support 411, and this rear end moving floor 41 can be the center rotation with this first hinged support 411.This rear end moving floor 41 be connected with the first lifting oil cylinder 51 that is used for this rear end moving floor 41 of lifting by back-end location; These first lifting oil cylinder, 51 1 ends are fixed on the framework in lower floor 3 or compartment 1, and the other end is fixed in the bottom of rear end moving floor 41.Particular case as shown in FIG., (in fact the oil cylinder fixed end of this first lifting oil cylinder 51 is fixed on the lower floor 3, also can be fixed on the frame in compartment 1), its expansion link far-end is fixed on the lower surface position away from first hinged support 411 of described rear end moving floor 41.Like this, when the expansion link of this first lifting oil cylinder 51 stretched out, this rear end moving floor 41 will lift its rear end around 411 rotations of described first hinged support.This lifts the high less position of lucky corresponding compartment, position 1 bottom interlayer.

As shown in Figure 4, described center fixed floor 42 is fixed on the compartment frame, and this fixed floor 42 occupies the most of bodywork length of the interlayer height of 1 centre, compartment than large part.

Described front end moving floor 43 rear ends are fixed on the frame by second hinged support 431, and this front end moving floor 43 can be the center rotation with this second hinged support 431.The forward end position of this front end moving floor 43 connects the second lifting oil cylinder 52 that is used for this front end moving floor 43 of lifting; These second lifting oil cylinder, 52 1 ends are fixed on the framework in lower floor 3 or compartment 1, and the other end is fixed in the bottom of rear end moving floor 43.Particular case as shown in FIG., the oil cylinder fixed end of this second lifting oil cylinder 52 is fixed on the lower floor 3, its expansion link far-end is fixed on the lower surface of described rear end moving floor 43.Like this, when the expansion link of this second lifting oil cylinder 52 stretched out, this rear end moving floor 41 will lift its rear end around 431 rotations of described second hinged support.This lifts the high less position of lucky corresponding compartment, position 1 bottom interlayer.

Above-mentioned Fig. 4 only shows the lifting oil cylinder of a side, and in fact, the above-mentioned first lifting oil cylinder 51 all is symmetrical set the axis of the length direction in relative compartment with the second lifting oil cylinder 52, to guarantee to obtain best lifting effect.

Consider the usage condition in general compartment, the pressure oil of above-mentioned lifting oil cylinder derives from Gas-liquid pump (figure does not show).The principle of work of Gas-liquid pump is to utilize compressed air-driven large tracts of land end piston, obtains highly pressurised liquid output at the small size end, and described highly pressurised liquid can be water, hydraulic pressure wet goods.Utilize this Gas-liquid pump can obtain high-pressure and hydraulic oil, this high-pressure and hydraulic oil is offered the lifting oil cylinder, can make the hydraulic oil in the described lifting oil cylinder obtain hydraulic pressure.The pressurized air that provides the source of the gas of this described Gas-liquid pump can adopt the tractor truck propulsion source in this compartment to provide; Perhaps adopt independently pressurized air of outside.

As shown in Figure 5, rear end moving floor 41 and front end moving floor 43 are in the state of lifting, and this state is convenient to roadlice and other items and is entered the compartment.

Just at a kind of specific implementation of compartment, in fact, the high smaller position of the interlayer of compartment 1 bottom also may be in the middle part, compartment for the foregoing description, and moving floor can be installed in the compartment centre portion.In a word, make by moving floor that the high less position of interlayer of compartment 1 bottom is unlikely to influence high use than large part between compartment layer.

In addition, in the foregoing description, moving floor is to lift along the direction of vehicle body, in fact moving floor can lift perpendicular to the direction of bodywork length, promptly lift to railroad car lateral wall one side, at this moment, hinged support is installed on the sidecar wall in compartment, as long as opposite side has the bearing that supports moving floor.

The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims

1. double layer carriage, described compartment is a goods train carriage, it is characterized in that, its upper floor comprise at least one can be at the moving floor of vertical direction lifting, the hinged support of the sidecar wall of described moving floor one side by being installed in the compartment connects the compartment framework; The position of described moving floor on the car length direction is corresponding to the position of compartment lower floor projection; The centre of gration that this hinged support provides this moving floor to raise provides lifting power that this moving floor is lifted with the direction perpendicular to bodywork length at the opposite side of this moving floor; Far-end at the described hinged support of this moving floor distance has the lifting oil cylinder that is used for the described moving floor of lifting; This lifting oil cylinder one end is fixed on lower floor or the compartment framework, and the other end is fixed on the moving floor; Pressure oil source in the described lifting oil cylinder specifically is a Gas-liquid pump, and described Gas-liquid pump utilizes compressed-air actuated pressure to produce hydraulic power as propulsive effort; The pressurized air that described Gas-liquid pump adopts the tractor truck propulsion source in this compartment to provide.

2. double layer carriage according to claim 1 is characterized in that, described upper floor comprises polylith floor independently separately.

3. double layer carriage according to claim 2 is characterized in that, the position of described moving floor is specifically in the end in compartment.

4. double layer carriage according to claim 3 is characterized in that described moving floor comprises two, is respectively the floor of front-end and back-end, compartment.