CN212921500U

CN212921500U - Transport flat car

Info

Publication number: CN212921500U
Application number: CN202021182498.5U
Authority: CN
Inventors: 刘芳; 马宗红; 李典; 刘向东; 拜雪玲; 张英华
Original assignee: CRRC Xian Co Ltd
Current assignee: CRRC Xian Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-04-09
Anticipated expiration: 2030-06-23

Abstract

The utility model belongs to a port line transportation flat car, for solving the transportation flat car of installing the side door additional, after the side door is opened, easily cause the injury to operating personnel, simultaneously, the side door is opened and will strike the curb girder after taking place to rotate, causes the technical problem that curb girder and side door warp, provides a transportation flat car, including automobile body, buffer and side door, buffer including connect fold, articulated seat, stop iron and gland nut, articulated seat is fixed in on the curb girder, the upper end of connecting the fold is fixed in on the side door; the hinge seat, the lower end of the connecting hinge and the stop iron are sequentially sleeved from outside to inside and are connected through a hinge pin; a first spring and a second spring are sleeved on the hinge pin, one end of each of the first spring and the second spring is connected to the side door, and the tail end of the other end of each of the first spring and the second spring is horizontally bent and connected to the hinge seat; a pair of end covers are buckled on the two end faces of the first spring and the second spring; the compression nuts are in threaded connection with two ends of the hinge pin and respectively compress the first spring and the second spring on two sides of the hinge seat.

Description

Transport flat car

Technical Field

The utility model belongs to harbour line transport flatcar auxiliary device, concretely relates to transport flatcar.

Background

The port line needs to transport the large-volume materials such as steel rails, sleepers, turnouts and the like, and also needs to transport granular goods such as ballast and the like. When transporting granular goods, the side door needs to be additionally installed on the transportation flat car of part models to avoid scattering of the granular goods.

At present, the transportation flat car with upset side door because its side door is generally heavier, can take place to rotate after the side door is opened often, if fixed or cushion spacingly in time, very easily cause the injury to operating personnel, simultaneously, the side door is rotatory will directly strike annex on curb girder and the curb girder, causes curb girder and side door to take place to warp easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the transportation flatcar of installing the side door additional among the prior art, open the back at the side door, easily cause the injury to operating personnel, simultaneously, the side door is opened and is taken place to strike the curb girder after rotatory, causes the technical problem that curb girder and side door warp, provides a transportation flatcar.

In order to achieve the above object, the utility model provides a following technical scheme:

the transportation flat car is characterized by comprising a car body, a buffer device and a side door, wherein the side door is arranged on the upper surface of a side beam of the car body;

the buffer device comprises a connecting hinge, a hinge seat, a stop iron and a compression nut;

the hinged seat is fixed on the side beam, and the upper end of the connecting hinge is fixed on the side door; the hinge seat, the lower end of the connecting hinge and the stop iron are sequentially sleeved from outside to inside and are connected in a penetrating manner through the hinge pin; the hinge pin is sleeved with a first spring and a second spring, the first spring and the second spring are respectively positioned on two sides of the hinge seat, and the rotating directions of the first spring and the second spring are opposite; the first spring and the second spring are straight arm torsion springs, one end of each straight arm torsion spring is connected to the side door, and the tail end of the other end of each straight arm torsion spring is horizontally bent and connected to the hinge seat; a pair of end covers are buckled at both ends of the first spring and both end surfaces of the second spring, and the end covers are sleeved on the hinge pins; the compression nuts are in threaded connection with two ends of the hinge pin and respectively compress the first spring and the second spring on two sides of the hinge seat.

Furthermore, the device also comprises a limiting device fixed at the lower part of the side beam.

Further, the limiting device comprises a support, a stop and a third spring,

one end of the support is fixed at the lower part of the side beam, the other end of the support is provided with a U-shaped groove, the stop is arranged in the U-shaped groove, the support and the stop are connected in a penetrating way through a cylindrical pin, and the tail end of the cylindrical pin is provided with a cotter pin;

the outer side of the upper part of the backstop is an inclined plane, a through hole is formed in the backstop below the inclined plane, and the through hole extends from the front side to the rear side of the backstop;

the third spring is arranged in the through hole and sleeved on the cylindrical pin; the third spring is an outer arm torsion spring, one end of the third spring is fixed on the support, and the other end of the third spring is bent outwards by 90 degrees and fixed on the stop.

The door is characterized by further comprising two arched seats, wherein two ends of each arched seat are fixed on the side door, and the two arched seats are respectively positioned on two sides of the connecting hinge; the both sides of articulated seat have all been seted up the aperture, and the one end of first spring and second spring is pegged graft in the arch seat, the other end peg graft in the aperture.

Further, a first gasket is arranged between the compression nut and the end cover.

Further, a second gasket is arranged between the cotter pin and the support.

Further, the hinged seat is fixed on the backing plate, and the backing plate is fixed on the side beam.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses transportation flatcar, buffer easy operation and safe and reliable, when the side door of having guaranteed transportation flatcar was opened, in the upset process, the one end that first spring and second spring and side door are connected drove the spring and produces torsion, and elastic deformation through the spring forms the buffer power, has avoided the side door to open the in-process and has directly strikeed the curb girder, causes the deformation of curb girder and side door, also provides the helping hand for the manpower switching side door, has avoided the side door to open the rotatory potential safety hazard that comes of back.

2. The utility model discloses still be equipped with stop device, open the side door after, the inclined plane of side door contact backstop, the backstop uses the cylindric lock to rotate as the pivot, until inclined plane and support parallel and level, the side door continues to move and leaves the inclined plane, the backstop replies to the vertical state of backstop under the effect of third spring, the side door is spacing in the rear side on inclined plane, pinned by the backstop, make the transportation flatcar can move under the side door state of falling, the flatcar can transport granular material, also can transport other bulky materials, realize that the whole car is multi-purpose. When the side door needs to be closed, the side door can be released only by lifting the lower part of the stop block and moving the inclined plane at the upper part inwards, and the operation is simple and convenient.

3. The utility model discloses an arch seat and aperture are convenient for fix the both ends of first spring and second spring.

4. The utility model discloses set up first packing ring between gland nut and end cover, avoid the direct contact between gland nut and the end cover.

5. The utility model discloses an articulated seat is fixed in through the backing plate and measures, increases the area of contact of articulated seat and curb girder, the installation of the articulated seat of being convenient for.

Drawings

Fig. 1 is a schematic view of an installation structure of a first embodiment of the present invention;

fig. 2 is an exploded view of a first embodiment of the present invention;

fig. 3 is a schematic structural view of a limiting device in the second embodiment of the present invention;

fig. 4 is an exploded view of fig. 3 according to the present invention.

The device comprises a connecting hinge 1, a hinge 2, a stop 3, a stop iron 4, a side door 5, a hinge pin 6, a first spring 7, a second spring 8, an end cover 9, a gland nut 10, a support 11, a U-shaped groove 12, a stop 13, a cylindrical pin 14, a through hole 15, a third spring 15, a split pin 16, an arch seat 17, a first gasket 18, a second gasket 19, a backing plate 20, a side beam 21 and an inclined plane 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are not limitations of the present invention.

Example one

Referring to fig. 1 and 2, a transportation flat car includes a car body, a buffer device, and a side door 4 mounted on an upper surface of a side sill 21 of the car body.

Wherein, buffer includes connecting foldout 1, articulated seat 2, stop iron 3, gland nut 9, two arch seats 17.

The hinged seat 2 is fixed on a base plate 20, the base plate 20 is fixed on a side beam 21, and the upper end of the connecting hinge 1 is fixed on a side door 4; the hinge seat 2, the lower end of the connecting hinge 1 and the stop iron 3 are sequentially sleeved from outside to inside and are connected in a penetrating way through a hinge pin 5; the hinge pin 5 is sleeved with a first spring 6 and a second spring 7, the first spring 6 and the second spring 7 are respectively positioned at two sides of the hinge seat 2, and the rotating directions of the first spring 6 and the second spring 7 are opposite.

Two ends of the arched seat 17 are fixed on the side door 4, and the two arched seats 17 are respectively positioned at two sides of the connecting hinge 1; both sides of the hinged base 2 are provided with small holes.

The first spring 6 and the second spring 7 are straight arm torsion springs and are inserted into the arch-shaped seat 17, and the tail end of the other end of the first spring is horizontally bent and inserted into the small hole; a pair of end covers 8 are buckled at both ends of the first spring 6 and both end surfaces of the second spring 7, and the end covers 8 are sleeved on the hinge pin 5; the compression nuts 9 are in threaded connection with two ends of the hinge pin 5, and respectively compress the first spring 6 and the second spring 7 on two sides of the hinge seat 2, and a first washer 18 is further arranged between the compression nut 9 and the end cover 8.

The side door 4 is installed on the upper surface of the side member 21, and when the side door is opened, the first spring 6 and the second spring 7 rotate around the hinge pin 5, thereby playing a role of buffering the opening of the side door 4, and when the first spring 6 and the second spring 7 reach the spring torsion limit, the side door 4 is fixed at a certain position, and at the moment, the rotation force of the springs is converted into mechanical resistance. When the side door 4 is closed, the first spring 6 and the second spring 7 can restore the side door 4 to the original position by virtue of the repulsive force of the springs, thereby reducing the risk of the side door 4 being opened and closed manually and the risk of deformation of the side door 4 due to the side beam 21 being hit by the side door 4.

Example two

A side door buffer device of a transportation flat car further comprises a limiting device fixed at the lower part of a side beam 21 under the condition that other connecting structures are the same as those of the first embodiment. As shown in fig. 3 and 4, the limiting device comprises a support 10, a stopper 12 and a third spring 15, one end of the support 10 is fixed at the lower part of the side beam 21, the other end of the support is provided with a U-shaped groove 11, the stopper 12 is arranged in the U-shaped groove 11, the support 10 and the stopper 12 are connected in a penetrating manner through a cylindrical pin 13, the tail end of the cylindrical pin 13 is provided with a cotter pin 16, and a second gasket 19 is arranged between the cotter pin 16 and the support 10; the outer side of the upper part of the backstop 12 is an inclined plane 22, a through hole 14 is arranged on the backstop 12 below the inclined plane 22, and the through hole 14 extends from the front side to the rear side of the backstop 12; the third spring 15 is arranged in the through hole 14 and sleeved on the cylindrical pin 13; the third spring 15 is an outer arm torsion spring, one end of which is fixed on the support 10, and the other end of which is bent outward by 90 ° and fixed on the stopper 12.

When a pair of side door 4 of embodiment opened and play the cushioning effect, stop device can play limiting displacement to side door 4, and it is spacing by backstop 12 to make the back of opening of side door 4, can be used to the transportation of multiple type of material at ordinary times, has avoided taking place to rotate because of side door 4 opens the back. When the side door 4 is opened to a certain position, the inclined plane 22 at the upper part of the stopping block 12 is pressed in the bottom edge of the side door 4 until the inclined plane 22 is flush with the upper surface of the support 10, the side door 4 continues to rotate, the side door 4 crosses the inclined plane at the upper part of the stopping block 12 and moves to the rear side of the inclined plane 22, the stopping block 12 rebounds and rotates to the original position under the action of the resilience force of the third spring 15, the stopping block 12 is in a vertical state, the bottom edge of the side door 4 is located at the back of the inclined plane 22 of the stopping block 12, the side door 4 is locked by the stopping block 12, and the flat. When the side door 4 needs to be lifted, the use requirement of lifting and closing the side door 4 can be met only by pressing the lower part of the stop 12 to tilt the inclined surface 22 at the upper part and open the bottom edge of the side door 4.

In practical use, only the buffering portion of the first embodiment or the limiting device of the second embodiment may be configured according to use requirements, or the buffering portion and the limiting device may be configured at the same time as the second embodiment.

The first spring 6, the second spring 7 and the third spring 15 can be selected with proper torsion according to the field use requirement. In addition, the hinged seat 2 and the connecting hinge 1 can be respectively arranged at the connecting edges of the side beam 21 and the side door 4, and the installation position can be properly adjusted as long as the connecting and buffering effects can be met.

The above is only the embodiment of the present invention, and is not the limitation of the protection scope of the present invention, all the equivalent structure changes made in the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A transport flat car which is characterized in that: the side door structure comprises a vehicle body, a buffer device and a side door (4), wherein the side door (4) is arranged on the upper surface of a side beam (21) of the vehicle body;

the buffer device comprises a connecting hinge (1), a hinged seat (2), a stop iron (3) and a compression nut (9);

the hinged seat (2) is fixed on the side beam (21), and the upper end of the connecting hinge (1) is fixed on the side door (4); the stop iron (3) is connected in a U-shaped groove on the connecting hinge (1), and the hinged seat (2), the lower end of the connecting hinge (1) and the stop iron (3) are sequentially sleeved from outside to inside and are connected in a penetrating manner through a hinge pin (5); a first spring (6) and a second spring (7) are sleeved on the hinge pin (5), the first spring (6) and the second spring (7) are respectively positioned on two sides of the hinge seat (2), and the rotating directions of the first spring (6) and the second spring (7) are opposite; the first spring (6) and the second spring (7) are straight arm torsion springs, one end of each straight arm torsion spring is connected to the side door (4), and the tail end of the other end of each straight arm torsion spring is horizontally bent and connected to the hinge seat (2); a pair of end covers (8) are buckled at both ends of the first spring (6) and both end faces of the second spring (7), and the end covers (8) are sleeved on the hinge pin (5); the compression nuts (9) are in threaded connection with two ends of the hinge pin (5), and the first spring (6) and the second spring (7) are compressed on two sides of the hinge seat (2) through the end covers (8) respectively.

2. A transport cart as defined in claim 1, wherein: and the device also comprises a limiting device fixed at the lower part of the side beam (21).

3. A transport flat car as claimed in claim 2, characterized in that: the limiting device comprises a support (10), a stop (12) and a third spring (15),

one end of the support (10) is fixed at the lower part of the side beam (21), the other end of the support is provided with a U-shaped groove (11), the stop block (12) is arranged in the U-shaped groove (11), the support (10) and the stop block (12) are connected in a penetrating way through a cylindrical pin (13), and the tail end of the cylindrical pin (13) is provided with a cotter pin (16);

the outer side of the upper part of the stop catch (12) is an inclined plane (22), a through hole (14) is formed in the stop catch (12) positioned below the inclined plane (22), and the through hole (14) extends from the front side to the rear side of the stop catch (12);

the third spring (15) is arranged in the through hole (14) and sleeved on the cylindrical pin (13); the third spring (15) is an outer arm torsion spring, one end of the third spring is fixed on the support (10), and the other end of the third spring is bent outwards by 90 degrees and fixed on the stop block (12).

4. A transport cart as claimed in claim 1, 2 or 3, wherein: the door is characterized by further comprising two arched seats (17), wherein two ends of each arched seat (17) are fixed on the side door (4), and the two arched seats (17) are respectively positioned on two sides of the connecting hinge (1); the both sides of articulated seat (2) have all been seted up the aperture, and the one end of first spring (6) and second spring (7) is pegged graft in arch seat (17), the other end peg graft in the aperture.

5. A transport cart as defined in claim 4 wherein: and a first gasket (18) is arranged between the compression nut (9) and the end cover (8).

6. A transport cart as defined in claim 3 wherein: and a second gasket (19) is arranged between the cotter pin (16) and the support (10).

7. A transport cart as defined in claim 6 wherein: the hinged seat (2) is fixed on the backing plate (20), and the backing plate (20) is fixed on the side beam (21).