CN212579722U

CN212579722U - Folding ladder for refrigerator car

Info

Publication number: CN212579722U
Application number: CN202021303176.1U
Authority: CN
Inventors: 叶建磊; 任超
Original assignee: Sanhe Sunhunk Special Vehicle Co ltd
Current assignee: Sanhe Sunhunk Special Vehicle Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-02-23
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a folding ladder for refrigerator car, erect the roof beam and set up in two including two erect a plurality of crossbeams between the roof beam, wherein respectively the both ends of crossbeam are respectively through articulated elements and two erect the roof beam and connect, two erect and install on the roof beam and be used for with folding fixed locking structure of folding ladder. The utility model discloses folding ladder for refrigerator car structural design is novel ingenious, can freely fold in limited space, can solve the railway carriage or compartment body and the not enough unable problem of installing the work ladder in driver's cabin clearance simultaneously.

Description

Folding ladder for refrigerator car

Technical Field

The utility model relates to a refrigerator car technical field, concretely says so and relates to a folding ladder for refrigerator car suitable for body construction that requires height to carriage interior volume.

Background

At present, cold chain transportation is quite popular, and especially, the requirements on the volume in a cargo compartment and the like in the transportation process are gradually improved.

At present, the working ladder for the refrigeration compartment body is mostly of a fixed structure, and the defects of the working ladder are as follows: the working ladder with the fixed structure can be mounted only when the use space of the working ladder in the length direction of the carriage, namely the mounting space (18-20CM) of the working ladder is avoided between the cab and the carriage body, so that the space between the carriage body and the cab is occupied by the working ladder too much.

Therefore, the present inventors have made extensive studies on how to design a folding ladder for a refrigerator car that can solve the above-described problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding ladder for refrigerator car, its structural design is novel ingenious, can freely fold in limited space, can solve the railway carriage or compartment body and the not enough unable problem of installing the work ladder in driver's cabin clearance simultaneously.

In order to realize the technical scheme, the utility model provides a folding ladder for refrigerator car, erect the roof beam and set up in two including two erect a plurality of crossbeams between the roof beam, wherein respectively the articulated elements is passed through respectively at the both ends of crossbeam with two it connects, two to erect the roof beam install on the roof beam be used for with the folding fixed locking structure of folding ladder.

The utility model discloses folding ladder for refrigerator car, wherein the articulated elements adopts the round pin axle.

The utility model discloses folding ladder for refrigerator car, wherein the locking structure sets up to at least one, the locking structure includes latch hook and threaded pin, the latch hook articulates in one of them through the round pin axle erect on the roof beam, the threaded pin install in another erect on the roof beam, work as two when erecting the folding being close to of roof beam, the latch hook is hooked on the threaded pin, the threaded pin passes through nut locking and makes two erect the roof beam locking and be in the same place.

The utility model discloses folding ladder for refrigerator car, one of them the lateral surface of erecting the roof beam is connected with the angle steel mounting, the angle steel mounting is connected with refrigerator car carriage board outside end.

The utility model discloses folding ladder for refrigerator car, wherein the angle steel mounting with erect fixedly through bolted connection between the roof beam, the angle steel mounting with it is fixed through bolted connection between the refrigerator car carriage board.

The utility model discloses folding ladder for refrigerator car, one of them another the lower part of erecting the roof beam is provided with C shape handle.

The utility model discloses folding ladder for refrigerator car, wherein at least one the bottom of erecting the roof beam is provided with support piece.

After the technical scheme is adopted, the utility model discloses folding ladder for refrigerator car is in the same place two perpendicular roof beams and a plurality of crossbeams are articulated through a plurality of round pin axles, can realize erecting folding and expansion between roof beam and the crossbeam, and through setting up at least one locking structure on two perpendicular roof beams, can realize that two perpendicular roof beams are in the same place locking is tightly fixed when folding being close to, through setting up support piece in perpendicular roof beam bottom, can use support piece to provide the support for folding ladder, and through locking structure and the support piece that sets up, can satisfy the use of folding ladder different scenes when folding and expand, erect roof beam outside lower part design handle protection architecture simultaneously, can effectively promote the security performance of folding ladder in the use. The utility model discloses structural design is novel ingenious, and preparation simple process need not complicated equipment and technical support, convenient to use, and the security performance is high.

Drawings

FIG. 1 is a schematic view of the folding ladder for refrigerator car of the present invention;

FIG. 2 is an enlarged schematic view of the latch structure of detail A of FIG. 1 in a latched state;

FIG. 3 is an enlarged schematic view of the latch structure of detail A of FIG. 1 in an open state;

FIG. 4 is a structural diagram of the folding ladder for a refrigerator car according to the present invention in an unfolded state;

fig. 5 is an enlarged structural diagram of a part B of fig. 4.

Detailed Description

As shown in fig. 1 the utility model discloses folding ladder for refrigerator car's fold condition structure sketch map, including two perpendicular roof beams 1 and set up in two a plurality of crossbeams 2 of erecting between the roof beam 1, both ends are passed through the articulated elements respectively and are erected roof beam 1 with two and be connected about each crossbeam 2, this embodiment articulated elements adopt round pin axle 3, the both ends are erected roof beam 1 through round pin axle 3 and two respectively about each crossbeam 2 promptly and are connected, round pin axle 3 welds on erecting roof beam 1, the round pin axle 3 that each crossbeam 2 all can be connected is rotatory to realize crossbeam 2 and erect folding and expansion between the roof beam 1. Install at least one on two perpendicular roof beams 1 and be used for folding fixed locking structure with folding ladder, this embodiment locking structure sets up to two.

Referring to fig. 2 and 3, the locking structure includes a locking hook 4 and a threaded pin 5, one end of the locking hook 4 is hinged to one of the vertical beams 1 through a pin 10, one end of the locking hook 4 is hinged to the lower portion of the front surface of the vertical beam 1 at the right portion through a pin 10 in this embodiment, the threaded pin 5 is installed on the lower portion of the front surface of the vertical beam 1 at the left portion, when the two vertical beams 1 are folded to approach each other, the hook portion at the other end of the locking hook 4 is hooked on the threaded pin 5, and the threaded pin 5 locks the threaded pin 5 through a nut 6, so that the two vertical beams 1 are locked together. The nut 6 of this embodiment is a wing nut.

As shown in fig. 1, an angle steel fixing member 7 is connected to the outer side surface of the left vertical beam 1 by a bolt, and the angle steel fixing member 7 is connected to the outer side end of the refrigerator car body panel by a bolt.

The lower part of the vertical beam 1 at the right part is provided with a C-shaped handle 8. At least one vertical beam 1 is provided with a support 9 at the bottom, and as shown in fig. 4 and 5, the support 9 is provided only at the bottom of the vertical beam 1 at the left part in this embodiment.

Referring to fig. 4, in use, the two locking hooks 4 of the locking structure are respectively opened from the corresponding threaded pins 5, and the plurality of cross beams 2 can rotate along with the respective connected pin shafts 3, so that the two vertical beams 1 are separated, and the folding ladder is unfolded.

The utility model discloses folding ladder for refrigerator car is in the same place two perpendicular roof beams 1 and a plurality of crossbeam 2 are articulated through a plurality of round pin axles 3, can realize erecting folding and expansion between roof beam 1 and the crossbeam 2, and through setting up at least one locking structure on two perpendicular roof beams 1, can realize that two perpendicular roof beams 1 are in the same place locking tight when folding being close to, through setting up support piece 9 in perpendicular roof beam 1 bottom, can use support piece 9 to provide the support for folding ladder, and through locking structure and the support piece 9 that sets up, can satisfy the use of folding ladder different scenes when folding and expansion, 8 protection architecture are being designed to the lower part in the perpendicular roof beam 1 outside simultaneously, can effectively promote the security performance of folding ladder in the use. The utility model discloses structural design is novel ingenious, and preparation simple process need not complicated equipment and technical support, convenient to use, and the security performance is high.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a folding ladder for refrigerator car, includes two and erects the roof beam and set up in two erect a plurality of crossbeams between the roof beam, its characterized in that, each the both ends of crossbeam respectively through articulated elements with two erect the roof beam and be connected, two erect and install on the roof beam and be used for with folding fixed locking structure of folding ladder.

2. The ladder of claim 1, wherein the hinge member is a pin.

3. The ladder as claimed in claim 1, wherein the locking structure is provided in the form of at least one, and the locking structure comprises a locking hook hinged to one of the vertical beams by a pin and a threaded pin mounted to the other vertical beam, and when the two vertical beams are folded close to each other, the locking hook is hooked on the threaded pin, and the threaded pin is locked by a nut to lock the two vertical beams together.

4. The folding ladder for the refrigerator car according to claim 1, wherein an angle steel fixing member is connected to an outer side surface of one of the vertical beams, and the angle steel fixing member is connected to an outer side end of a carriage plate of the refrigerator car.

5. The folding ladder for the refrigerator car according to claim 4, wherein the angle steel fixing member is fixed to the vertical beam by bolts, and the angle steel fixing member is fixed to the refrigerator car body plate by bolts.

6. The ladder as claimed in claim 5, wherein a C-shaped handle is provided at a lower portion of the other of the vertical beams.

7. The ladder as claimed in claim 1, wherein a support member is provided to a bottom of at least one of the vertical beams.