CN211196191U - Turnover type movable transition ladder - Google Patents

Abstract

The utility model discloses a turnover type movable transition ladder, which is used for being arranged on a flat car end wall, wherein a plurality of spacing openings are arranged on the flat car end wall, a connected wall connected with the flat car end walls on two sides is arranged below the spacing openings, the transition ladder comprises a turnover pedal which can be turned over relative to the spacing openings, two sides of the back surface of the turnover pedal are respectively provided with a supporting beam, and the bottom of the supporting beam is hinged with the connected wall below the spacing openings through a hinge assembly; limiting plates are respectively arranged on the side faces of two sides of the turnover pedal, and locking mechanisms used for locking the limiting plates are arranged on two sides of the spacing openings. The utility model discloses a convertible activity transition ladder simple structure, weight are lighter, good as cab apron bearing capacity, and locking mechanism opens portably moreover, uses safe and reliable, overhaul convenient.

Description

Turnover type movable transition ladder

Technical Field

The utility model relates to a technical field of railway flatcar, concretely relates to convertible activity transition ladder.

Background

The flat car is a truck without a roof, fixed side walls and end walls, has the largest proportion in truck composition, is mainly used for transporting steel, wood, cars, tractors, military vehicles and mechanical equipment with the same volume or heavier cargos, can also be used for loading and transporting bulk cargos such as ores, sand and soil and the like by the flat car with the movable plate walls, and enlarges the application range.

The convertible activity headwall that current flatcar used, as the cab apron when turning over the headwall whole, because activity headwall weight is great, comparatively hard during the upset, it is comparatively serious to colliding with of end beam during the turn over, in addition at the operation in-process vehicle vibration, strike, the activity headwall can produce great inertia and vibration, consequently blocking device atress is great, guarantee the security for avoiding rocking, its blocking device often designs comparatively rigorously inseparably, these all can be given and open, close and overhaul and bring certain difficulty. In addition, the whole movable type of headwall, there is great gap between headwall and the chassis, when the shipment shot goods, can have the goods seepage phenomenon.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned background art, provide a convertible activity transition ladder, this convertible activity transition ladder security performance is high, the later maintenance is simple, damages removable, safe and reliable moreover.

In order to realize the purpose, the utility model relates to a convertible activity transition ladder for the setting is on the flatcar headwall, be provided with a plurality of interval mouth on the flatcar headwall, the below of interval mouth is provided with the disjunctor wall of being connected with both sides flatcar headwall, its characterized in that:

the turnover pedal comprises a turnover pedal capable of turning relative to the spacing opening, wherein supporting beams are respectively arranged on two sides of the back surface of the turnover pedal, and the bottom of each supporting beam is hinged with the connected wall below the spacing opening through a hinge assembly;

limiting plates are respectively arranged on the side faces of two sides of the turnover pedal, and locking mechanisms used for locking the limiting plates are arranged on two sides of the spacing openings.

Further, the overturning range of the overturning pedal relative to the spacing port is 0-90 degrees.

Furthermore, the bottom of the supporting beam is provided with a base plate which is used for being abutted against the connected wall below the spacing opening.

Furthermore, the hinge assembly comprises a hinge seat, a first pin shaft and a first bolt, the hinge seat is arranged on the connected wall below the spacing port, the bottom of the supporting beam is embedded in the hinge seat and can rotate relative to the hinge seat, and the first pin shaft penetrates through the hinge seat and the supporting beam and is axially limited through the first bolt.

Furthermore, the locking mechanism comprises a locking seat, a locking ring, a second pin shaft and a second pin, the locking seat is arranged on two sides of the spacing opening, the locking ring is embedded in the locking seat and can rotate relative to the locking seat, and the second pin shaft penetrates through the locking seat and the locking ring and is axially limited through the second pin shaft.

Furthermore, a waist-shaped hole which is used for being sleeved on the second pin shaft is formed in the middle of the lock ring, a locking inclined plane which is used for locking the limiting plate is arranged on one side, located in the length direction, of the lock ring, and a linear surface is arranged on the other side, located in the length direction, of the lock ring;

the locking ring can rotate relative to the second pin shaft under the action of external force to drive the locking inclined plane to turn over from one side close to the spacing port to the back side of the locking inclined plane so as to loosen the limiting plate to form a transition ladder.

Further, the turnover pedal comprises an inner plate and an outer plate, wherein the binding surfaces of the inner plate and the outer plate are fixedly connected, the inner plate is arranged towards the spacing openings, and the outer plate is arranged far away from the spacing openings.

And furthermore, reinforcing beams are fixedly arranged on the peripheral side surfaces of the inner plate and the outer plate respectively.

Furthermore, handles are respectively arranged on two sides of the inner plate.

Compared with the prior art, the utility model has the advantages of as follows:

one of which, the utility model discloses a convertible activity transition ladder has replaced current whole convertible headwall, only sets up interval mouth on the flatcar headwall, installs a plurality of upset footboard, can regard as the part of headwall when the upset footboard stands up, then can regard as the transition ladder when putting down, acts as the effect of footboard, and the flatcar headwall can set up to fixed, than traditional whole convertible activity headwall, has reduced the gap between headwall and the chassis to the phenomenon of goods seepage when having improved the shipment shot goods.

And secondly, the utility model discloses a convertible activity transition ladder simple structure, weight are lighter, and staff's labour saving and time saving during operation is good as cab apron bearing capacity moreover, and locking mechanism opens portably, uses safe and reliable, the maintenance is convenient.

Thirdly, the utility model discloses a size and the position of upset footboard can be confirmed according to the actual demand, and occupation space is little, the later maintenance is simple, damages removable, safe and reliable moreover.

Fourthly, the utility model discloses a turnover pedal, than the whole convertible headwall of tradition, the weight at activity position that has reduced that is showing to effectively reduced the vehicle operation in-process, the tip that produces by inertia strikes and vibrates, and when the upset was kept flat, to the damage of colliding with of tip.

Drawings

Fig. 1 is a schematic structural view of a turnover type movable transition ladder in an opening state;

fig. 2 is a schematic structural view of the turnover type movable transition ladder shown in fig. 1 in a locking state;

fig. 3 is a schematic side view of the turnover type movable transition ladder shown in fig. 2 in a locked state;

fig. 4 is a schematic structural diagram of the turnover type movable transition ladder shown in fig. 3 when the lock ring is lifted up;

fig. 5 is a schematic structural view of the turnover transition ladder shown in fig. 4 when the lock ring is rotated;

fig. 6 is a schematic structural view of the turnover type movable transition ladder shown in fig. 4 when the turnover pedals are rotated;

in the figure: the structure comprises a flat car end wall 1, spacing openings 2, a connected wall 3, a turnover pedal 4 (an inner plate 4.1, an outer plate 4.2 and a reinforcing beam 4.3), a supporting beam 5, a hinge assembly 6 (a hinge seat 6.1, a first pin shaft 6.2 and a first bolt 6.3), a limiting plate 7, a locking mechanism 8 (a locking seat 8.1, a locking ring 8.2, a kidney-shaped hole 8.21, a locking inclined plane 8.22, a linear surface 8.23, a second pin shaft 8.3 and a second bolt 8.4), a cushion plate 9 and a handle 10.

Detailed Description

The following detailed description will be given with reference to the embodiments, but they are not intended to limit the present invention, and are given by way of example only. While the advantages of the invention will be apparent and readily appreciated by the description.

The turnover type movable transition ladder shown in figures 1-2 is used for being arranged on a flat car end wall 1, a plurality of interval ports 2 are arranged on the flat car end wall 1, a connected wall 3 connected with the flat car end walls 1 on two sides is arranged below the interval ports 2, the turnover ladder comprises turnover pedals 4 capable of being turned over relative to the interval ports 2, and the turnover range of the turnover pedals 4 relative to the interval ports 2 is 0-90 degrees. Two sides of the back of the overturning pedal 4 are respectively provided with a supporting beam 5, the bottom of the supporting beam 5 is hinged with the connected wall 3 below the space opening 2 through a hinge assembly 6, and the bottom of the supporting beam 5 is provided with a backing plate 9 used for being abutted against the connected wall 3 below the space opening 2. Limiting plates 7 are respectively arranged on the side faces of two sides of the turnover pedal 4, and locking mechanisms 8 used for locking the limiting plates 7 are arranged on two sides of the spacing port 2.

Among the above-mentioned technical scheme, articulated subassembly 6 is including articulated seat 6.1, first round pin axle 6.2 and first bolt 6.3, and articulated seat 6.1 sets up on disjunctor wall 3 of interval mouth 2 below, and the bottom of a supporting beam 5 is inlayed and is put in articulated seat 6.1 and can rotate rather than it, and first round pin axle 6.2 runs through articulated seat 6.1 and a supporting beam 5 and is spacing through first bolt 6.3 axial.

As shown in fig. 3, the locking mechanism 8 includes a locking seat 8.1, a locking ring 8.2, a second pin 8.3 and a second pin 8.4, the locking seat 8.1 is disposed at two sides of the spacing opening 2, the locking ring 8.2 is embedded in the locking seat 8.1 and can rotate relative to the locking seat, and the second pin 8.3 penetrates through the locking seat 8.1 and the locking ring 8.2 and is axially limited by the second pin 8.4. The middle part of the locking ring 8.2 is provided with a waist-shaped hole 8.21 which is sleeved on the second pin shaft 8.3. The locking ring 8.2 is provided with a locking inclined surface 8.22 used for locking the limiting plate 7 at one side of the kidney-shaped hole 8.21 in the length direction, and the locking ring 8.2 is provided with a linear surface 8.23 at the other side of the kidney-shaped hole 8.21 in the length direction. The locking ring 8.2 can rotate relative to the second pin shaft 8.3 under the action of external force to drive the locking inclined surface 8.22 to turn from one side close to the spacing port 2 to the back side of the locking inclined surface so as to release the limiting plate 7 to form a transition ladder.

As shown in figures 4-6, when the turnover pedal is in a closed state, the turnover pedal is fixed through the locking ring 8.2 by pressing the limiting plates 7 on the two sides, and locking is formed. When the turnover pedal needs to be opened, the lock ring 8.2 is guided along the kidney-shaped hole 8.21 to move to the end point, then the lock ring rotates to the natural state around the second pin shaft 8.3, the limiting plates 7 on the two sides are loosened, and the locking device can be opened. When the lock is closed, the lock is operated in a reverse order, the turnover pedal is erected, the lock ring 8.2 is reversed and then moves along the waist-shaped hole 8.21 in a guiding manner, and the limiting plates 7 on the two sides are pressed tightly, so that locking can be realized. The utility model discloses a locking mechanism 8 simple structure, practicality are strong, and locking mechanism is firm moreover, prevent jumping reliably, the security is good, the maintenance is convenient.

Among the above-mentioned technical scheme, upset footboard 4 includes inner panel 4.1 and planking 4.2, and the binding face fixed connection of inner panel 4.1 and planking 4.2, and inner panel 4.1 arranges towards interval mouth 2, and planking 4.2 keeps away from interval mouth 2 and arranges. The side surfaces around the inner plate 4.1 and the outer plate 4.2 are respectively fixedly provided with a stiffening beam 4.3, and the inner plate 4.1, the outer plate 4.2 and the stiffening beam 4.3 can be made of metal materials and are fixed by welding. The handles 10 are respectively arranged on two sides of the inner plate 4.1, so that an operator can pull the turnover pedal and can also serve as an anti-skid guardrail, the inner plate 4.1 belongs to a trampling part, and a hyacinth bean pattern steel plate is adopted, so that the anti-skid property is enhanced, and the device is convenient to operate and safe to use.

While the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a convertible activity transition ladder for set up on flatcar headwall (1), be provided with a plurality of interval mouth (2) on flatcar headwall (1), the below of interval mouth (2) is provided with disjunctor wall (3) of being connected with both sides flatcar headwall (1), its characterized in that:

the turnover pedal comprises a turnover pedal (4) capable of turning relative to a spacing port (2), wherein supporting beams (5) are respectively arranged on two sides of the back surface of the turnover pedal (4), and the bottom of each supporting beam (5) is hinged with a connected wall (3) below the spacing port (2) through a hinge assembly (6);

limiting plates (7) are respectively arranged on the side faces of the two sides of the turnover pedal (4), and locking mechanisms (8) used for locking the limiting plates (7) are arranged on the two sides of the spacing openings (2).

2. The roll-over active transition ladder of claim 1, characterized in that: the overturning range of the overturning pedal (4) relative to the spacing port (2) is 0-90 degrees.

3. The roll-over active transition ladder of claim 1, characterized in that: and a base plate (9) which is used for being abutted against the connected wall (3) below the spacing opening (2) is arranged at the bottom of the supporting beam (5).

4. The roll-over active transition ladder of claim 1, characterized in that: articulated subassembly (6) are including articulated seat (6.1), first round pin axle (6.2) and first bolt (6.3), articulated seat (6.1) set up on disjunctor wall (3) of interval mouth (2) below, the bottom of a supporting beam (5) is inlayed and is put in articulated seat (6.1) and can rotate rather than it, first round pin axle (6.2) run through articulated seat (6.1) and a supporting beam (5) and are spacing through first bolt (6.3) axial.

5. The roll-over active transition ladder of claim 1, characterized in that: the locking mechanism (8) comprises a locking seat (8.1), a locking ring (8.2), a second pin shaft (8.3) and a second bolt (8.4), the locking seat (8.1) is arranged on two sides of the spacing opening (2), the locking ring (8.2) is embedded in the locking seat (8.1) and can rotate relative to the locking seat, and the second pin shaft (8.3) penetrates through the locking seat (8.1) and the locking ring (8.2) and is axially limited through the second bolt (8.4).

6. The roll-over active transition ladder of claim 5, wherein: a waist-shaped hole (8.21) used for being sleeved on the second pin shaft (8.3) is formed in the middle of the lock ring (8.2), a locking inclined plane (8.22) used for locking the limiting plate (7) is arranged on one side, located in the length direction, of the waist-shaped hole (8.21) of the lock ring (8.2), and a linear plane (8.23) is arranged on the other side, located in the length direction, of the waist-shaped hole (8.21), of the lock ring (8.2);

the locking ring (8.2) can rotate relative to the second pin shaft (8.3) under the action of external force to drive the locking inclined plane (8.22) to turn over from one side close to the spacing port (2) to the back side of the locking inclined plane so as to loosen the limiting plate (7) to form a transition ladder.

7. The convertible mobile transition ladder of any of claims 1-6, wherein: upset footboard (4) include inner panel (4.1) and planking (4.2), the binding face fixed connection of inner panel (4.1) and planking (4.2), inner panel (4.1) are arranged towards interval mouth (2), planking (4.2) are kept away from interval mouth (2) and are arranged.

8. The roll-over active transition ladder of claim 7, wherein: and reinforcing beams (4.3) are fixedly arranged on the peripheral side surfaces of the inner plate (4.1) and the outer plate (4.2) respectively.

9. The roll-over active transition ladder of claim 8, wherein: handles (10) are respectively arranged on two sides of the inner plate (4.1).

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