CN218453363U

CN218453363U - Hydraulic telescopic ladder stand of flat truck

Info

Publication number: CN218453363U
Application number: CN202222964785.7U
Authority: CN
Inventors: 梁微; 冯强; 陈小龙; 梁学军
Original assignee: Hubei Xinyun Automobile Co ltd
Current assignee: Hubei Xinyun Automobile Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-02-07
Anticipated expiration: 2032-11-08

Abstract

The utility model belongs to the technical field of the flatbed truck cat ladder is relevant, concretely relates to flatbed truck's flexible cat ladder of hydraulic pressure, including the flat board of freight train and right angle support frame, inboard parallel arrangement has first cat ladder and second cat ladder at right angle support frame, the equal fixedly connected with rotary drum of the left end of first cat ladder and second cat ladder, the inside common rotation cover of two rotary drums is equipped with the axostylus axostyle, tailpiece of the piston rod portion and axostylus axostyle outer wall fixed connection on the pneumatic cylinder, start the pneumatic cylinder, the push-and-pull to first cat ladder and second cat ladder is realized through stretching out and drawing back the piston rod, stretch out the pneumatic cylinder parallel, drive first cat ladder and second cat ladder and outwards extend, after the pneumatic cylinder stretches out and finishes, first cat ladder and second cat ladder nature sag, inclined plane and ground contact, engineering machine can get on the bus along first cat ladder and second cat ladder this moment, after finishing, retract the pneumatic cylinder, drive first cat ladder and second cat ladder withdrawal, in traditional cat ladder tailboard, this device is more high-efficient safety.

Description

Hydraulic telescopic ladder stand of flat truck

Technical Field

The utility model belongs to the technical field of the flat truck cat ladder is relevant, concretely relates to flat truck's flexible cat ladder of hydraulic pressure.

Background

The flat truck is also called an engineering machinery transport vehicle, a flat truck and a low flat transport vehicle, and is mainly used for transporting some objects which cannot be disassembled, such as an excavator, a loader and a harvester. The flat transport vehicle is a common large-scale load-carrying truck in life, the truck is generally widely used in large-scale production or engineering places such as factories, construction sites and the like, the characteristic of strong bearing capacity of the flat transport vehicle plays an important role in the economic development process,

conventional flatbed truck need use the manpower mode to put down the cat ladder tailboard when delivery engineering machine tool, makes things convenient for engineering machine tool to get on the bus and get off the bus, and the weight of single tail board is tens to several hundred kilograms and varies to the easy dirty operating personnel clothes of conventional tail board cat ladder etc. in addition, conventional cat ladder tailboard uses spring and bolt locking mode to fix, and the vehicle is gone on the highway and has the cat ladder tailboard upset risk occasionally, probably causes the potential safety hazard, and the operation is wasted time and energy.

In view of this, the utility model provides a flexible cat ladder of hydraulic pressure of flat truck.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible cat ladder of hydraulic pressure of flat truck to solve the conventional flat truck that proposes in the above-mentioned background art when shipping engineering machine tool, the operation is wasted time and energy, and the vehicle probably causes the problem of potential safety hazard when going on the highway.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a flexible cat ladder of hydraulic pressure of flat truck, includes the freight train flat board, the dull and stereotyped lower extreme fixedly connected with right angle support frame of freight train, the inboard parallel arrangement of right angle support frame has first cat ladder and second cat ladder, the equal fixedly connected with rotary drum in left end of first cat ladder and second cat ladder, two the inside common rotation cover of rotary drum is equipped with the axostylus axostyle, the left side of right angle support frame is provided with and is used for carrying out the pneumatic cylinder of push-and-pull to first cat ladder and second cat ladder.

Preferably, two jacking hydraulic presses are fixedly mounted at the lower end of the left side of the transverse plate on the right-angle support frame, and the lower ends of the two jacking hydraulic presses are fixedly connected with ground feet.

Preferably, the end part of a piston rod on the hydraulic cylinder is fixedly connected with the outer wall of the shaft rod, and the piston rod penetrates through the inside of a vertical plate on the right-angle support frame in a sliding mode.

Preferably, two guide grooves are formed in the transverse plate on the right-angle support frame, and a plurality of guide rollers used for supporting the ladder stand are rotatably connected to the inner portions of the guide grooves.

Preferably, the right end of the transverse plate on the right-angle support frame is rotatably sleeved with a driving roller.

Preferably, the lower left ends of the first ladder stand and the second ladder stand are both arranged by adopting a fillet.

Preferably, the right lower ends of the first ladder stand and the second ladder stand are provided with inclined planes.

Preferably, the equal equidistance of the up end of first cat ladder and second cat ladder distributes and has anti-skidding sand grip.

Preferably, both ends all fixedly connected with spacing dish around the axostylus axostyle, the spacing dish is located the outside of rotary drum, and the diameter of spacing dish is greater than the internal diameter of rotary drum.

Preferably, the upper ends of the left side and the right side of the hydraulic cylinder are fixedly connected with fixed disks, and the upper ends of the fixed disks are fixedly connected with the lower end wall of the flat plate of the truck.

Compared with the prior art, the utility model provides a flexible cat ladder of hydraulic pressure of flat truck possesses following beneficial effect:

the utility model discloses a left side at right angle support frame is provided with the pneumatic cylinder that is used for carrying out the push-and-pull to first cat ladder and second cat ladder, the equal fixedly connected with rotary drum in the left end of first cat ladder and second cat ladder, the inside common rotation cover of two rotary drums is equipped with the axostylus axostyle, tailpiece of the piston rod portion and axostylus axostyle outer wall fixed connection on the pneumatic cylinder, start the pneumatic cylinder, the pneumatic cylinder realizes the push-and-pull to first cat ladder and second cat ladder through stretching out and drawing back the piston rod, when utilizing the pneumatic cylinder to carry out the push-and-pull to first cat ladder and second cat ladder, the guide roll can support first cat ladder and second cat ladder, supplementary first cat ladder and second cat ladder remove, the work consumption of greatly reduced pneumatic cylinder, stretch out pneumatic cylinder parallel, drive first cat ladder and second cat ladder and extend outward, after the pneumatic cylinder stretches out and finishes, first cat ladder and second cat ladder naturally, inclined plane and ground contact, engineering machinery can get on the bus along first cat ladder and second cat ladder this moment, after finishing, carry out the withdrawal with the pneumatic cylinder, drive first cat ladder and second cat ladder withdrawal, compare in traditional cat ladder withdrawal, this apparatus is more simple and high-efficient, the manpower is saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a hydraulic telescopic ladder stand of a flat truck according to the present invention;

fig. 2 is a schematic plan structure view of a hydraulic telescopic ladder stand of a flat wagon according to the present invention;

fig. 3 is a schematic view of the extending structure of the first ladder and the second ladder of the present invention;

fig. 4 is a schematic view of a partially enlarged structure of a hydraulic telescopic ladder stand of a flat truck according to the present invention;

in the figure: 1. fixing the disc; 2. a hydraulic cylinder; 201. a piston rod; 3. a truck bed; 4. a right-angle support frame; 5. a first ladder stand; 6. a jacking hydraulic press; 7. ground feet; 8. a second ladder stand; 9. a driving roller; 10. anti-skid convex strips; 11. an inclined surface; 12. a guide roller; 13. a rotating drum; 14. a limiting disc; 15. a guide groove; 16. a shaft rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a flat truck's flexible cat ladder of hydraulic pressure, including the freight train flat bed 3, the lower extreme fixedly connected with right angle support frame 4 of freight train flat bed 3, the inboard parallel arrangement of right angle support frame 4 has first cat ladder 5 and second cat ladder 8, the equal fixedly connected with rotary drum 13 in left end of first cat ladder 5 and second cat ladder 8, the inside common rotation cover of two rotary drums 13 is equipped with axostylus axostyle 16, the left side of right angle support frame 4 is provided with and is used for carrying out the pneumatic cylinder 2 of push-and-pull to first cat ladder 5 and second cat ladder 8, piston rod 201 tip and 16 outer wall fixed connection of axostylus axostyle on the pneumatic cylinder 2, and inside piston rod 201 slides the riser that runs through on the right angle support frame 4, control system through freight train internally mounted, start-up pneumatic cylinder 2, pneumatic cylinder 2 realizes the push-and-pull to first cat ladder 5 and second cat ladder 8 through stretching out and drawing back piston rod 201. The equal fixedly connected with of both ends spacing dish 14 around axostylus axostyle 16, spacing dish 14 are located the outside of rotary drum 13, and the diameter of spacing dish 14 is greater than the internal diameter of rotary drum 13, guarantees like this that axostylus axostyle 16 can be stable rotates in rotary drum 13 inside, can not deviate from rotary drum 13 inside. The equal fixedly connected with fixed disk 1 in side upper end about pneumatic cylinder 2, two 1 upper ends of fixed disk all with the dull and stereotyped 3 lower endwalls fixed connection of freight train, utilize fixed disk 1 with pneumatic cylinder 2 fixed mounting in the dull and stereotyped 3 bottoms of freight train.

Further, two jacking hydraulic presses 6 are fixedly mounted at the lower end of the left side of the transverse plate on the right-angle support frame 4, and the lower ends of the two jacking hydraulic presses 6 are fixedly connected with ground feet 7. When the platform truck works, the platform truck is parked at a proper position, the jacking hydraulic press 6 is started through a control system arranged in the truck, and a hydraulic rod in the jacking hydraulic press 6 extends out until the ground feet 7 extrude the ground to support the truck, so that the truck is prevented from being warped or tilted.

Furthermore, two guide grooves 15 are formed in the transverse plate on the right-angle support frame 4, and a plurality of guide rollers 12 used for supporting the ladder stand are rotatably connected to the inner portions of the two guide grooves 15. The cover is rotated to the diaphragm right-hand member on the right angle brace frame 4 and is equipped with driving roller 9, when utilizing pneumatic cylinder 2 to carry out the push-and-pull to first cat ladder 5 and second cat ladder 8, guide roll 12 can support first cat ladder 5 and second cat ladder 8, supplementary first cat ladder 5 and second cat ladder 8 remove, greatly reduced pneumatic cylinder 2's work consumption, driving roller 9's setting, the friction between first cat ladder 5 of greatly reduced and second cat ladder 8 and the right angle brace frame 4.

In addition, the left lower ends of the first ladder stand 5 and the second ladder stand 8 are both arranged in a rounding angle mode. The lower right end of first cat ladder 5 and second cat ladder 8 is provided with inclined plane 11, and when first cat ladder 5 and second cat ladder 8 from the inside roll-off of right angle support frame 4, first cat ladder 5 and second cat ladder 8 lose the support downward sloping, and at this moment, first cat ladder 5 and second cat ladder 8 can be stable through inclined plane 11 and place in ground. The equal equidistance of the up end of first cat ladder 5 and second cat ladder 8 distributes there is anti-skidding sand grip 10, takes place the phenomenon of skidding when avoiding engineering machine tool to transport on first cat ladder 5 and second cat ladder 8.

The utility model discloses a theory of operation and use flow: the utility model discloses utilize the utility model discloses carry out the during operation, park the flat truck in suitable position, control system through freight train internally mounted starts jacking hydraulic press 6, the inside hydraulic stem of jacking hydraulic press 6 stretches out, extrude ground formation and support up to lower margin 7, afterwards, start hydraulic cylinder 2, pneumatic cylinder 2 realizes the push-and-pull to first cat ladder 5 and second cat ladder 8 through stretching out and drawing back piston rod 201, when utilizing pneumatic cylinder 2 to carry out the push-and-pull to first cat ladder 5 and second cat ladder 8, guide roll 12 can support first cat ladder 5 and second cat ladder 8, supplementary first cat ladder 5 and second cat ladder 8 remove, greatly reduced pneumatic cylinder 2's work consumption, stretch out pneumatic cylinder 2 parallel, drive first cat ladder 5 and second cat ladder 8 and toward extending outward, after pneumatic cylinder 2 stretches out, first cat ladder 5 and second cat ladder 8 drop naturally, inclined plane 11 and ground contact, engineering machine can get on the bus along first cat ladder 5 and second cat ladder 8 this moment, after finishing, carry out the pneumatic cylinder 2 withdrawal, drive first cat ladder 5 and second cat ladder 8 withdrawal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible cat ladder of hydraulic pressure of flatbed truck, includes that the freight train is dull and stereotyped (3), its characterized in that: the hydraulic lifting platform is characterized in that a right-angle support frame (4) is fixedly connected to the lower end of the flat plate (3) of the truck, a first ladder stand (5) and a second ladder stand (8) are arranged on the inner side of the right-angle support frame (4) in parallel, rotary drums (13) are fixedly connected to the left ends of the first ladder stand (5) and the second ladder stand (8), shaft levers (16) are sleeved in the rotary drums (13) in a rotating mode, and hydraulic cylinders (2) used for pushing and pulling the first ladder stand (5) and the second ladder stand (8) are arranged on the left side of the right-angle support frame (4).

2. The hydraulic telescopic ladder of a flat truck as claimed in claim 1, characterized in that: diaphragm left side lower extreme fixed mounting on right angle brace frame (4) has two jacking hydraulic press (6), two the equal fixedly connected with lower extreme lower margin (7) of jacking hydraulic press (6).

3. The hydraulic telescopic ladder of a flat goods vehicle as claimed in claim 1, wherein: the end part of a piston rod (201) on the hydraulic cylinder (2) is fixedly connected with the outer wall of the shaft lever (16), and the piston rod (201) penetrates through the inside of a vertical plate on the right-angle support frame (4) in a sliding mode.

4. The hydraulic telescopic ladder of a flat truck as claimed in claim 1, characterized in that: two guide grooves (15) are formed in the transverse plate on the right-angle support frame (4), and a plurality of guide rollers (12) used for supporting the ladder stand are rotatably connected to the inner portions of the guide grooves (15).

5. The hydraulic telescopic ladder of a flat truck as claimed in claim 1, characterized in that: the right end of a transverse plate on the right-angle support frame (4) is rotatably sleeved with a driving roller (9).

6. The hydraulic telescopic ladder of a flat truck as claimed in claim 1, characterized in that: the left lower ends of the first ladder stand (5) and the second ladder stand (8) are both arranged by adopting a fillet.

7. The hydraulic telescopic ladder of a flat goods vehicle as claimed in claim 1, wherein: the right lower ends of the first ladder stand (5) and the second ladder stand (8) are provided with inclined planes (11).

8. The hydraulic telescopic ladder of a flat goods vehicle as claimed in claim 1, wherein: the anti-skid convex strips (10) are distributed on the upper end faces of the first ladder stand (5) and the second ladder stand (8) at equal intervals.

9. The hydraulic telescopic ladder of a flat goods vehicle as claimed in claim 1, wherein: both ends all fixedly connected with spacing dish (14) around axostylus axostyle (16), spacing dish (14) are located the outside of rotary drum (13), and the diameter of spacing dish (14) is greater than the internal diameter of rotary drum (13).

10. The hydraulic telescopic ladder of a flat goods vehicle as claimed in claim 1, wherein: the hydraulic cylinder (2) is characterized in that the upper ends of the left side and the right side are fixedly connected with fixed disks (1), and the upper ends of the fixed disks (1) are fixedly connected with the lower end wall of a truck flat plate (3).