WO2022127134A1

WO2022127134A1 - Multipurpose railway box car with flat car function

Info

Publication number: WO2022127134A1
Application number: PCT/CN2021/110250
Authority: WO
Inventors: 石峰; 刘凤伟; 史春江; 王首雄; 刘海涛; 何世球; 王松; 臧俊杰; 韩亚培; 涂智文; 王雪军; 王浩江; 臧国群; 谢景佳; 陈学良
Original assignee: 中车长江车辆有限公司
Priority date: 2020-12-18
Filing date: 2021-08-03
Publication date: 2022-06-23

Abstract

A multipurpose railway box car with a flat car function. The railway box car comprises a flat car car body (100), two end wall assemblies (200), two pairs of box body guide rails (300), two sections of movable box bodies (400), a box body transmission device (500) for pulling the movable box bodies (400) to move along the box body guide rails (300), and box body locking devices (600) for locking the two movable box bodies (400) to the two end wall assemblies (200). The two end wall assemblies (200) are respectively arranged at two ends above the flat car car body (100); each pair of two box body guide rails (300) is respectively arranged on two sides of the flat car car body (100); the two sections of movable box bodies (400) are arranged above the flat car car body (100) and located between the two end wall assemblies (200); each section of movable box body (400) is slidably connected to one pair of box body guide rails (300) by means of a plurality of roller assemblies (430) arranged on two sides of the lower portion of the movable box body, such that the movable box body (400) can slide along the pair of box body guide rails (300); the size of the cross section of one of the two movable box bodies (400) is smaller such that same can be integrally nested in the other movable box body (400); and the ends of the two movable box bodies (400) can respectively cover the periphery of one of the end wall assemblies (200) to form closed structures of the ends of the movable box bodies (400).

Description

Multipurpose railway boxcar with flat car function

technical field

The invention relates to a railway boxcar, in particular to a multipurpose railway boxcar with the function of a flat car.

Background technique

Railway transportation has the advantages of large transportation volume, wide transportation area and good transportation economy. At present, the railway freight cars used for railway transportation mainly include boxcars and flat cars.

Boxcars are generally provided with side walls, end walls, side doors and top covers above the floor. Goods can be entered and taken out from the side doors. Goods cannot be lifted from the roof, and containers cannot be transported. They are mainly used to transport vehicles that are afraid of sun, rain and snow. Goods, such as various grains, food, luggage, daily industrial products and valuable instruments and equipment.

There is no top cover above the floor of the flat car, and the goods can be lifted from the roof. It is mainly used to transport goods such as containers, steel, automobiles, tractors, and boxed goods, but cannot be transported in bags or boxes that need to be protected from sunlight, rain and snow. goods. If it is necessary to transport the goods that need to be protected from the sun, rain and snow, it is necessary to manually cover the goods with a tarpaulin above the goods, and then bind them with ropes. This method is a one-time method, which is time-consuming and labor-intensive.

Boxcars and flatcars belong to different models, with different scopes of use, and each has its own advantages and functions, but both have limitations in their use. There is a lot of idle time during the use of vehicles, which increases the ineffective consumption of empty return trips, etc., which reduces the efficiency of railway transportation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multi-purpose railway boxcar which can reduce the idle time of the vehicle and has the function of a flat car.

In order to achieve the above purpose, the multi-purpose railway boxcar with the function of flat car designed by the present invention includes a flat car body, two end walls, two pairs of shed guide rails and two movable shed bodies; The wall components are respectively arranged at both ends above the flat car body; the two shed guide rails of each pair are respectively arranged on both sides of the flat car body; the two movable sheds are arranged above the flat car body , and is located between the two end walls; the movable shed body is slidably connected to a pair of shed body guide rails through a plurality of rollers arranged on both sides of the lower part of the movable shed body, so that the movable shed body can follow the pair of shed body guide rails. sliding; one of the two movable sheds has a smaller cross-sectional dimension and can be integrally nested in the other movable shed; the ends of the two movable sheds can respectively cover the periphery formed by one end wall , to form a closed structure at the end of the movable shed; the multi-purpose railway boxcar also includes a shed transmission for pulling each of the movable sheds to move along the shed guide rails, and a shed transmission device for moving the two movable sheds Shed locking device that locks to the two end wall assemblies.

Preferably, the shed body transmission device includes two pairs of four sprocket chain transmission mechanisms in total, corresponding to the shed body guide rails one-to-one; the two sides of each movable shed body are driven by a pair of sprocket chain transmission mechanisms; The sprocket chain transmission mechanism includes a sprocket assembly, a pulley assembly, a chain and a wire rope; the sprocket assembly includes a sprocket seat and a sprocket set on it, and the pulley assembly includes a pulley seat and a fixed wheel set on it. pulley; the chain is wrapped around the sprocket and meshed with the teeth on the sprocket, and the wire rope is wrapped around the tensioning pulley; one end of the chain is connected to one end of the wire rope, and the other ends of the two are respectively connected to the movable shed body The lower parts of the two ends are connected to form a closed loop including the chain, the wire rope and the movable shed body. When the chain rotates, the movable shed body can be driven to move; the sprocket is provided with a drive connection port for installing the crank handle manually or A motor is installed to electrically drive the sprocket to rotate.

The sprocket chain transmission mechanism also includes a tensioning adjustment mechanism for adjusting the distance between the fixed pulley and the sprocket to adjust the tensioning force; the tensioning adjustment mechanism includes a fixed sliding seat, an adjustable sliding seat and a tensioning adjustment mechanism screw; the fixed sliding seat is fixedly connected with the flat car body, and the adjustable sliding seat is fixedly connected with the pulley seat; one end of the tension adjusting screw is fixed on the adjustable sliding seat, and the other end passes through the fixed sliding seat The through hole on the upper part is threadedly connected with the locking nut, and by screwing the locking nut, the tension adjusting screw rotates and drives the adjustable sliding seat to move, so as to adjust the distance between the fixed pulley and the sprocket and change the tension force.

Preferably, the flat car body includes an underframe and a floor laid on the underframe; the guide rail of the shed body is an I-shaped light rail, and is laterally fixed to the outside of the underframe through its bottom; The roller seat at the lower part of the movable shed body and at least one roller pair arranged longitudinally along the roller seat; each roller pair is composed of two I-shaped rollers arranged at an upper and lower interval, and the two rollers clamp the workpiece from the upper and lower sides. The head of the font light rail forms a stable track connection.

Preferably, the cross section of the roller seat is C-shaped, and the opening width is smaller than the width of the head of the I-shaped light rail; the roller seat is also provided with a pull plate for connecting the shed body transmission device.

Preferably, the two pairs of shed guide rails are arranged in parallel one above the other, wherein the upper shed guide rail corresponds to the movable shed with smaller cross-sectional size, and the lower shed guide corresponds to the larger cross-sectional movable shed.

Preferably, the shed body locking device includes an upper mounting seat, a lower mounting seat, a push rod, two pins and two sockets; the upper mounting seat and the lower mounting seat are respectively provided with push rod guide ears; the push rod Installed in the push rod guide ears of the upper mounting seat and the lower mounting seat, it can rotate relative to the push rod guide ears and move up and down within a certain range; the plug includes a mounting head, a plug head and a plug connected between the two. connecting piece; the two pins are respectively connected with one end of the push rod through the mounting head, and can not move up and down relative to the push rod through the axial limit; the front end of the socket is provided with a pin hole into which the pin head can be inserted The upper mounting seat and the lower mounting seat are respectively fixed at the edge of one side formed by the end wall; the socket is arranged on the outer side of one end of the movable shed body, and its pin hole extends to a proper position outside the end of the movable shed body so that the pin can be inserted The head is inserted to lock the position of the movable shed body on the shed body guide rail.

Preferably, the movable shed body adopts a door frame-shaped structure in which the side beams and the top cover are integrally connected, and includes at least two door-shaped frames and a shell covering each door-shaped frame. Each lower end is respectively provided with one of the rollers.

Preferably, the inner side of the end of the nested movable shed body or the outer side of the end of the nested movable shed body is provided with a shed body sealing strip for sealing the connection of two movable shed bodies; the The outer edge of the end wall is provided with an end wall sealing strip for sealing the connection between the end wall and the movable shed body.

Preferably, the end wall is composed of a plate-column structure, including a column frame and an end wall panel laid thereon, the column frame includes two parallel columns, a door-shaped end column located on the outside, and Multiple beams set to distribute.

Compared with the prior art, the beneficial effects of the present invention are: the present invention has both the functions of a box car and a shared flat car, and on the one hand, it has a rain-proof function, which can avoid the sun, rain and snow erosion of the goods, and can transport the goods that are afraid of the sun and rain. , snow-soaked goods; on the other hand, it can be loaded and unloaded from the side and the roof, realizing multi-purpose transportation of machinery and equipment, boxed goods, military equipment and containers, expanding the application scope of boxcars; at the same time, it can also transport both Goods that need to be protected from rain, sun, rain and snow, and need to be hoisted from the top, such as certain steel plates, cables, electrical and mechanical equipment, etc. In this way, the transportation advantages of boxcars and flat cars can be fully utilized, the idle time of vehicles can be reduced, the empty return journey and ineffective energy consumption can be reduced, and the railway transportation efficiency and transportation economy can be improved.

Description of drawings

1 is a schematic three-dimensional structure diagram of a multi-purpose railway boxcar designed in Embodiment 1 of the present invention. The bogie, braking device, etc. of the multi-purpose railway box car adopt existing mature solutions, so they are not drawn in the figure.

FIG. 2 is a schematic three-dimensional structure diagram of the bottom frame and the floor in FIG. 1 .

FIG. 3 is a schematic structural diagram of the end wall in FIG. 1 .

FIG. 4 is a schematic three-dimensional structural diagram of the movable shed body in FIG. 1 .

FIG. 5 is a schematic three-dimensional structural diagram of the rollers in FIG. 4 .

FIG. 6 is a schematic diagram of the installation structure of the roller composition and the guide rail of the shed body in FIG. 4 .

FIG. 7 is a schematic structural diagram of the shed body transmission device in FIG. 1 .

FIG. 8 is a schematic structural diagram of the sprocket assembly (opening the cover) in FIG. 7 .

FIG. 9 is a schematic structural diagram of the pulley assembly and its tension adjustment mechanism in FIG. 7 .

FIG. 10 is an enlarged view of A in FIG. 1 .

FIG. 11 is a schematic diagram of the loading process of the multipurpose railway boxcar in FIG. 1 .

FIG. 12 is a schematic three-dimensional structure diagram of the shed body locking device designed in Embodiment 2 of the present invention.

FIG. 13 is a schematic three-dimensional structure diagram of the upper mounting seat in FIG. 12 .

FIG. 14 is a schematic three-dimensional structural diagram of the lower mounting seat in FIG. 12 .

Fig. 15 is a schematic three-dimensional structure diagram of the pin guide seat in Fig. 12, in order to show the structure of the guide groove, the upper end cover is disassembled.

FIG. 16 is a schematic three-dimensional structural diagram of the plug in FIG. 12 .

FIG. 17 is a schematic three-dimensional structure diagram of the socket in FIG. 12 .

18 is a schematic diagram of the installation structure of the shed body locking device in FIG. 12 (corresponding to B in FIG. 1 ), only the lower installation seat is shown in the figure, and the installation method of the upper installation seat is the same.

FIG. 19 is a schematic diagram of the opening process of the shed body locking device in FIG. 12 .

in:

Flat car body 100, bottom frame 110, floor 120;

End wall composition 200, column frame 210, upright column 211, end column 212, beam 213, end wall plate 220, end wall sealing strip 230;

Shed body guide rail 300;

The movable shed body 400, the door frame 410, the casing 420, the roller composition 430, the roller seat 431, the roller 432, the pull plate 433, the shed body sealing strip 440;

Shed transmission device 500, sprocket assembly 510, sprocket base 511, sprocket 512, drive connection port 513, crank handle 514, pulley assembly 520, pulley base 521, fixed pulley 522, tension adjustment mechanism 530, fixed sliding seat 531, L-shaped mounting rib 532, adjustable sliding seat 533, tension adjusting screw 534, locking nut 535, lateral fixing bolt 536, chain 540, wire rope 550;

Shed locking device 600, upper mounting seat 610, middle mounting seat 620, lower mounting seat 630, lock seat plate 631, beta pin 632, slotted mounting plate 633, push rod 640, lock plate 641, stop nut 642, latch 650, mounting head 651, plug head 652, longitudinal guide plate 653, connecting plate 654, connecting rod 655, rib plate 656, socket 660, plug hole 661, push rod guide ear 670, plug guide seat 680, guide groove 681;

Cargo 700.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

This embodiment provides a multi-purpose railway boxcar that also has the function of a flat car.

As shown in Figures 1 to 10, the multi-purpose railway box car includes a flat car body 100, two end walls 200, two pairs of shed guide rails 300, two movable shed bodies 400, a shed body transmission device 500 and a shed body lock Device 600 .

As shown in FIG. 2 , the flat car body 100 includes a base frame 110 and a floor 120 laid on the base frame 110 . The shed guide rail 300 is an I-shaped light rail (see GB/T 11264-2012 hot-rolled light rail), and is laterally fixed to the outside of the chassis 110 through its bottom.

The two pairs of shed guide rails 300 are arranged in parallel on top and bottom, respectively corresponding to one movable shed 400 . Each pair of two shed guide rails 300 are respectively disposed on both sides of the bottom frame 110 of the flat car body 100 , and can carry one movable shed 400 to slide thereon.

As shown in FIG. 3 , the end wall composition 200 is a plate-and-column structure, forming a door shape as a whole, and can be set inside the end of the movable shed body 400 . The end wall composition 200 includes a column frame 210 and an end wall panel 220 laid thereon. The column frame 210 includes two upright columns 211 parallel to each other, a door-shaped end column 212 on the outside, and a plurality of beams 213 arranged in a distributed manner. . The two end wall compositions 200 are fixedly installed above both ends of the flat car body 100 , and can be respectively matched and nested in a movable shed body 400 .

As shown in FIG. 4 , the movable shed body 400 has the functions of rainproof, dustproof, sunshade, etc. The structure adopts a door frame structure in which the side wall and the top cover are integrated, including at least two door-shaped frames 410 and covering each door. The housing 420 on the shaped frame 410. The integrated door frame structure combines the structures and functions of the side walls, side doors, roof and other components of the existing boxcar, and can be loaded and unloaded from the side and the roof, thereby expanding the application range of the boxcar.

Two lower end portions of each door-shaped frame 410 are respectively provided with a roller assembly 430 . Each movable shed 400 is supported by at least two door-shaped frames 410, and more door-shaped frames 410 can be used as required.

The door-shaped frame 410 can be made of profiles such as steel, aluminum, composite materials, and plastics. The housing 420 can be made of steel, aluminum, plastic, canvas, composite materials, and the like. In this embodiment, the door-shaped frame 410 can be made of rectangular steel pipes to ensure the overall strength of the movable shed; the shell 420 is made of lightweight composite materials, which reduces the dead weight by 84% compared with the steel plate, and has good anti-corrosion performance, which can reduce the dead weight of the shed. , to reduce the longitudinal sliding resistance requirements.

As shown in FIG. 1 , FIG. 3 , and FIG. 4 , the two movable shed bodies 400 are arranged above the flat car body 100 and between the two end wall components 200 . One of the two movable tent bodies 400 has a smaller cross-sectional dimension (hereinafter referred to as an inner movable tent body), and can be integrally nested in the other movable tent body 400 (hereinafter referred to as an outer movable tent body). The ends of the two movable sheds 400 can respectively cover the periphery of one end wall composition 200 to form a closed connection of the ends of the movable sheds 400 .

A shed body sealing strip 440 for sealing is provided between the ends of the two movable shed bodies 400. The shed body sealing strip 440 can be selectively arranged on the outer side of the inner movable shed body or the inner side of the outer movable shed body, or can be simultaneously arranged inside the movable shed body. The outer side of the movable shed body and the inner side of the outer movable shed body can achieve better sealing and rainproof effect; the outer edge of the end wall composition 200 is provided with an end wall sealing strip 230 for sealing its connection with the movable shed body 400, so as to meet the anti-rain effect. Excellent rain performance and other performance requirements.

Each section of movable shed 400 is slidably connected to a pair of shed guide rails 300 through a plurality of rollers 430 provided on both sides of the lower part, so that the movable shed 400 can slide along the pair of shed guide rails 300 .

As shown in FIGS. 5-6 , the roller assembly 430 includes a roller seat 431 fixedly arranged at the lower end of the door-shaped frame 410 and two roller pairs arranged longitudinally along the roller seat 431 . Each roller pair is composed of two I-shaped rollers 430 arranged at intervals up and down, and the two rollers 432 clamp the head of the I-shaped light rail from the upper and lower sides to form a stable track connection. The cross section of the roller seat 431 is C-shaped, and the opening width is smaller than the head width of the I-shaped light rail so that it cannot be separated from the light rail from the outside. The upper part of the roller seat 431 is provided with a pull plate 433, and both ends of the pull plate 433 are provided with an interface for connecting the chain 540 or the wire rope 550 (the connection constitutes a hinge connection). The above arrangement forms a stable and reliable track roller structure that is not easy to derail, which satisfies the function that the movable shed body is firmly connected to the chassis and can move longitudinally along the chassis, and meets the performance requirements of safety, reliability, and easy operation.

As shown in FIGS. 7 to 10 , the shed body transmission device 500 is used for pulling each movable shed body 400 , and includes two pairs of four sprocket chain transmission mechanisms in one-to-one correspondence with the shed body guide rails 300 . Both sides of each movable shed body 400 are driven by a pair of sprocket chain transmission mechanisms. The sprocket chain transmission mechanism includes a sprocket assembly 510 , a pulley assembly 520 , a tension adjusting mechanism 530 , a chain 540 and a wire rope 550 .

The sprocket assembly 510 includes a sprocket base 511 and a sprocket 512 disposed thereon, and the pulley assembly 520 includes a pulley base 521 and a fixed pulley 522 disposed thereon. A chain 540 is looped around and meshes with the teeth on the sprocket 512, and a wire rope 550 is looped around the tensioning pulley. One end of the chain 540 is connected to one end of the wire rope 550, and the other ends of the two are respectively connected to the pull plates 433 on the roller seats 431 at the lower parts of the two ends of the movable shed body 400, forming a closed loop including the chain 540, the wire rope 550 and the movable shed body 400. , when the chain 540 rotates, the movable shed body 400 can be driven to move. The sprocket seats 511 of the two sprocket assemblies 510 on each side of the flat car body 100 are integrated into one body, and the sprockets 512 are protected by a common cover. The sprocket 512 is provided with a drive connection port 513 for installing the crank handle 514 to manually drive the sprocket 512 or installing a motor to drive the sprocket 512 to rotate in an electric way.

The tension adjusting mechanism 530 is used to adjust the distance between the fixed pulley 522 and the sprocket 512 to adjust the tension force, and includes a fixed sliding seat 531 , an adjustable sliding seat 533 , a tension adjusting screw 534 and a lateral fixing bolt 536 . The fixed sliding seat 531 and the adjustable sliding seat 533 are both L-shaped plates, and through holes (one of which is a waist-shaped hole) are respectively provided on the side plates of the two, which are fixed by lateral fixing bolts 536 to prevent adjustable sliding The seat 533 swings sideways. Due to the existence of the waist-shaped through hole, the adjustable sliding seat 533 can be displaced relative to the fixed sliding seat 531 within a certain range after loosening the lateral fixing bolts 536 . The fixed sliding seat 531 is fixedly connected with one end of the bottom frame 110 of the flat car body 100 through the L-shaped mounting rib 532 , and the adjustable sliding seat 533 is fixedly connected with the pulley seat 521 . One end of the tension adjusting screw 534 is fixed on the adjustable sliding seat 533 , and the other end is threadedly connected to the locking nut 535 through the through hole on the fixed sliding seat 531 . Twisting the lock nut 535 can make the tension adjusting screw 534 rotate and drive the adjustable sliding seat 533 to move, thereby adjusting the distance between the fixed pulley 522 and the sprocket 512 and changing the tension force.

The shed body locking device 600 is used to lock the two movable shed bodies 400 to the two end wall assemblies 200 , and the specific structure thereof is shown in Embodiment 2.

Other parts not mentioned, such as bogies, braking devices, container locking devices, etc., adopt the mature structure of existing railway freight cars.

Hereinafter, the loading process of the boxcar will be described by taking the loading of goods that need to be protected from rain and snow as an example.

Before loading, the two movable sheds 400 are in a closed state, as shown in FIG. 11( a ).

When loading goods, first unlock the first movable shed 400 and push it open, so that the corresponding half of the floor is opened, and the first batch of goods 700 is loaded thereon, as shown in FIG. 11(b).

The second tent body 400 is then unlocked and the two tent bodies 400 are pushed onto one half of the floor where the cargo 700 has been loaded, leaving the other half open to load the second cargo 700 thereon, see Fig. 11(c).

After the loading is completed, push the second movable shed 400 back to the closed position, and then lock the ends of the two movable sheds 400 to the corresponding end wall components 200 to complete the loading, as shown in Figure 11(d).

Corresponding sealing strips are used to seal and prevent rain between the movable shed bodies 400 or between them and the end wall components 200 .

The process of unloading the goods is analogous and will not be repeated here.

The multi-purpose railway boxcar has both the functions of a boxcar and a shared flat car. On the one hand, it has the function of rain protection to avoid the sun, rain and snow erosion of the goods, and can transport goods that are afraid of the sun, rain and snow; on the other hand, it can not only It can be loaded and unloaded from the side and from the roof to realize multi-purpose transportation of machinery and equipment, boxed goods, military equipment and containers, which expands the application scope of the boxcar; Goods that need to be hoisted from the top, such as certain steel plates, cables, electromechanical equipment, etc. In this way, the transportation advantages of boxcars and flat cars can be fully utilized, the idle time of vehicles can be reduced, the empty return journey and ineffective energy consumption can be reduced, and the railway transportation efficiency and transportation economy can be improved.

Example 2

This embodiment provides a specific structure of the shed body locking device 600 in the first embodiment.

As shown in FIGS. 12-17 , the shed body locking device includes an upper mounting seat 610 , a middle mounting seat 620 , a lower mounting seat 630 , a push rod 640 , two pins 650 and two sockets 660 . in:

The upper mounting seat 610 and the lower mounting seat 630 are respectively provided with a pin guide seat 680 and a push rod guide ear 670, and the lower mounting seat 630 is also provided with a locking seat plate 631 and a slotted mounting plate 633, see Figures 13-14.

The plug guide seat 680 is used to guide the plug 650, so that the plug 650 can only move up and down, and cannot rotate with the push rod 640 as an axis. The pin guide seat 680 is provided with a guide groove 681 with a cross-shaped cross section. The transverse groove of the guide groove 681 is parallel to the mounting seat and penetrates the pin guide seat 680. The longitudinal groove of the guide groove 681 is perpendicular to the mounting seat and does not penetrate the pin guide seat 680. , see Figure 15.

The push rods 640 are sequentially sleeved in the through holes on the push rod guide ears 670 of the lower mounting seat 630 , the slotted mounting plate 633 , the middle mounting seat 620 , and the push rod guide ears 670 of the upper mounting seat 610 . rotate. The upper and lower ends of the push rod 640 are respectively provided with stop nuts 642 to limit the up and down movement range of the push rod 640 and prevent the push rod 640 from detaching from the push rod guide ears 670 from above or below.

As shown in FIG. 16, the plug 650 includes a mounting head 651, a plug head 652, and a plug connector connected therebetween.

The two pins 650 are respectively connected with one end of the push rod 640 through the mounting head 651 . The installation head 651 adopts a sleeve, which is in clearance fit with the push rod 640 to form a hinge connection.

The plug connector includes a longitudinal guide plate 653, and a connecting plate 654 and a connecting rod 655 which are arranged on both sides of the longitudinal guide plate 653 and are vertically connected thereto. The front and rear sides of one end of the connecting plate 654 connected to the longitudinal guide plate 653 are provided with notches so as to be installed in the transverse groove of the guide groove 681 in a sliding fit.

The longitudinal guide plate 653 is slidably installed in the longitudinal groove of the guide groove 681, and the connecting plates 654 and the connecting rods 655 on both sides thereof respectively protrude from one end of the transverse groove of the guide groove 681, thereby forming a cross-shaped guide structure and improving the guiding stability. sex.

The upper part of the connecting plate 654 is provided with a rib plate 656 to improve the overall rigidity of the plug 650 .

The front end of the socket 660 is provided with an elongated pin hole 661, as shown in FIG. 17 . The plug head 652 is also elongated and can be inserted into the plug hole 661 .

The push rod 640 is provided with a lock plate 641, and the lock plate 641 is provided with an elongated through hole. When the bolt head 652 is completely inserted into the bolt hole 661 , the through hole on the lock plate 641 can be rotated to cover the through hole on the lock seat plate 631 to lock the up and down displacement of the push rod 640 .

The lock seat plate 631 is provided with a pin hole, and the lock plate 641 is locked with the beta pin 632 or a lock to prevent it from being accidentally detached from the lock seat plate 631 .

The slotted mounting plate 633 is provided with a slot for the locking plate 641 to pass through. After the locking plate 641 passes through the slotted mounting plate 633 from bottom to top, it can be rotated and placed on the slotted mounting plate 633 .

During installation, the upper mounting seat 610 and the lower mounting seat 630 are respectively fixed on one side edge of the end wall composition 200 . The socket 660 is arranged on the outside of one end of the movable shed body 400, and its plug hole 661 protrudes to a proper position outside the end of the movable shed body 400 so that the plug head 652 can be inserted, as shown in FIG. 18 .

The opening process of the shed body locking device 600 is divided into three states: locking, transition and unlocking, as shown in Figs. 19(a) to 19(c) in turn.

Figure 19(a) shows the locked state, the plug head 652 of the plug 650 is completely inserted into the plug hole 661 of the socket 660, the through hole of the lock plate 641 of the push rod 640 is inserted into the lock seat plate 631, and the beta pin 632 (or lock) Insert into the pin hole of the lock seat plate 631 .

Figure 19(b) is a transitional state, remove the β pin 632 (or lock), operate the lock plate 641 of the push rod 640 to drive the push rod 640 to rotate 90°, and then push the lock plate 641 together with the push rod 640 to pass vertically upward through the lower installation The slotted mounting plate 633 of the seat 630, when the push rod 640 moves vertically upward, the push rod 640 drives the latch 650 to slide upward synchronously.

Figure 19(c) is the open state, the locking plate 641 of the operating push rod 640 drives the push rod 640 to rotate 90° in the opposite direction, so that the locking plate 641 is parallel to the lower mounting seat 630 and placed on the top of the slotted mounting plate 633, the locking plate 641 Together with the push rod 640 and the pin 650, the pin head 652 cannot be lowered. At this time, the pin head 652 has been completely disengaged from the socket 660, and the opening process is completed.

The locking process of the shed locking device 600 is opposite to the opening process. The locking plate 641 and the push rod 640 are rotated 90°, and then the locking plate 641 and the push rod 640 are pushed vertically downward through the slotted mounting plate 633 of the lower mounting seat 630 , at this time, the plug head 652 has been completely inserted into the socket 660, and then the lock plate 641 and the push rod 640 are rotated 90°, and the through hole of the lock plate 641 of the push rod 640 is inserted into the lock seat plate 631. or lock) into the hole of the lock seat plate 631 to complete the locking.

The shed body locking device adopts a double-sided installation method, that is, the two sides of each movable shed body are respectively locked on the two sides of the end wall by a shed body locking device, so as to achieve a stable and reliable locking function and prevent the movable shed body from being free. The main body of the locking device is located on the end wall, which avoids the collision and loss of the movable parts of the shed locking device with the movement of the movable shed, and reduces the incidental weight of the movable shed; at the same time, it has the advantages of easy operation and good locking effect, etc. advantage.

Claims

A multi-purpose railway boxcar with the function of a flat car, characterized in that:

It comprises a flat car body (100), two end walls (200), two pairs of shed guide rails (300) and two movable sheds (400);

The two end wall components (200) are respectively arranged at both ends above the flat car body (100);

The two shed guide rails (300) of each pair are respectively arranged on both sides of the flat car body (100);

Two sections of the movable shed body (400) are arranged above the flat car body (100) and between the two end wall components (200); each section of the movable shed body (400) is arranged on both sides of its lower part The plurality of rollers (430) are slidably connected to a pair of shed body guide rails (300), so that the movable shed body (400) can slide along the pair of shed body guide rails (300); the two movable shed bodies (400) One of the two movable sheds (400) has a smaller cross-sectional dimension and can be integrally nested in the other movable shed body (400); the ends of the two movable shed bodies (400) can respectively cover the periphery of one end wall composition (200). , to form a closed structure at the end of the movable shed body (400);

The multi-purpose railway boxcar further comprises a shed body transmission device (500) for pulling each of the movable shed bodies (400) to move along the shed body guide rails (300), and a shed body transmission device (500) for moving the two movable shed bodies (400) The shed locking device (600) is locked to the two end wall assemblies (200).
The multipurpose railway boxcar according to claim 1, characterized in that:

The shed body transmission device (500) includes two pairs of four sprocket chain transmission mechanisms in total, which are in one-to-one correspondence with the shed body guide rails (300); the two sides of each movable shed body (400) pass through a pair of sprockets Chain drive mechanism;

The sprocket chain transmission mechanism includes a sprocket assembly (510), a pulley assembly (520), a chain (540) and a wire rope (550);

The sprocket assembly (510) includes a sprocket seat (511) and a sprocket (512) disposed thereon, and the pulley assembly (520) includes a pulley seat (521) and a fixed pulley (522) disposed thereon );

The chain (540) is looped on the sprocket (512) and meshes with the teeth on the sprocket (512), and the wire rope (550) is looped on the tensioning pulley;

One end of the chain (540) is connected with one end of the wire rope (550), and the other ends of the two are respectively connected with the lower parts of the two ends of the movable shed body (400) to form a chain (540), the steel wire rope (550) and the movable shed body. (400) closed loop;

The sprocket (512) is provided with a drive connection port (513) for installing the crank handle (514) manually or installing a motor to drive the sprocket (512) to rotate in an electric way.
The multipurpose railway boxcar according to claim 2, wherein:

The sprocket chain transmission mechanism further includes a tension adjustment mechanism (530) for adjusting the distance between the fixed pulley (522) and the sprocket (512) so as to adjust the tension force;

The tension adjustment mechanism (530) includes a fixed sliding seat (531), an adjustable sliding seat (533) and a tension adjustment screw (534);

The fixed sliding seat (531) is fixedly connected with the flat car body (100), and the adjustable sliding seat (533) is fixedly connected with the pulley seat (521);

One end of the tension adjusting screw (534) is fixed on the adjustable sliding seat (533), and the other end is threadedly connected with the locking nut (535) through the through hole on the fixed sliding seat (531).
The multipurpose railway boxcar according to claim 1, characterized in that:

The flat car body (100) includes a base frame (110) and a floor (120) laid on the base frame (110);

The shed guide rail (300) is an I-shaped light rail, and is laterally fixed to the outside of the chassis (110) through its bottom;

The roller composition (430) includes a roller seat (431) fixedly arranged at the lower part of the movable shed body (400) and at least one roller pair longitudinally arranged along the roller seat (431);

Each of the roller pairs is composed of two I-shaped rollers (430) spaced up and down, and the two rollers (432) clamp the head of the I-shaped light rail from the upper and lower sides to form a stable track connection.
The multi-purpose railway boxcar according to claim 4, characterized in that: the cross section of the roller seat (431) is C-shaped, and the opening width is smaller than the head width of the I-shaped light rail; A pull plate (433) for connecting the shed body transmission device (500) is also provided.
The multi-purpose railway boxcar according to any one of claims 1 to 5, characterized in that: two pairs of shed guide rails (300) are arranged in parallel one above the other, wherein the upper shed guide rail (300) corresponds to the cross section For the movable shed (400) with a smaller size, the shed guide rail (300) located below corresponds to the movable shed (400) with a larger cross-sectional size.
The multipurpose railway boxcar according to any one of claims 1 to 5, characterized in that:

The shed body locking device (600) includes an upper mounting seat (610), a lower mounting seat (630), a push rod (640), two latches (650) and two sockets (660);

The upper installation seat (610) and the lower installation seat (630) are respectively provided with push rod guide ears (670); the push rod (640) is installed on the push rods of the upper installation seat (610) and the lower installation seat (630). In the rod guide lug (670), it can rotate relative to the push rod guide lug (670) and move up and down within a certain range;

The plug (650) includes an installation head (651), a plug head (652) and a plug connector connected therebetween; the two plugs (650) pass through the installation head (651) and the push rod (640) respectively. ) is connected to one end, and is prevented from moving up and down relative to the push rod (640) by axial limiting;

The front end of the socket (660) is provided with a plug hole (661) into which the plug head (652) can be inserted;

The upper mounting seat (610) and the lower mounting seat (630) are respectively fixed on one side edge of the end wall composition (200); the socket (660) is arranged on the outer side of one end of the movable shed body (400), and its plug hole (661) protrudes to a proper position outside the end of the movable shed body (400) for insertion of the latch head (652), thereby locking the movable shed body (400) on the shed body guide rail (300).
The multi-purpose railway boxcar according to any one of claims 1 to 5, wherein the movable shed body (400) adopts a door frame structure in which the side beams and the top cover are integrally connected, and includes at least two door-shaped structures. A frame (410) and a casing (420) covering each door-shaped frame (410), and two lower ends of each of the door-shaped frames (410) are respectively provided with one of the rollers (430).
The multi-purpose railway boxcar according to any one of claims 1 to 5, characterized in that: the inner side of the end of the movable shed body (400) that is nested outside or the movable shed body (400) that is nested inside. 400) is provided with a shed body sealing strip (440) for sealing the connection of the two movable shed bodies (400) on the outside of the end; 400) End wall sealing strip (230) at the joint.
The multi-purpose railway boxcar according to any one of claims 1 to 5, characterized in that: the end wall composition (200) is a plate-column structure, comprising a column-type frame (210) and end walls laid on it. A wall panel (220), the column frame (210) includes two upright columns (211) parallel to each other, a door-shaped end column (212) located on the outside, and a plurality of beams (213) distributed in a distributed manner.