CN214729772U - Aviation food vehicle side ladder - Google Patents
Aviation food vehicle side ladder Download PDFInfo
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- CN214729772U CN214729772U CN202121309069.4U CN202121309069U CN214729772U CN 214729772 U CN214729772 U CN 214729772U CN 202121309069 U CN202121309069 U CN 202121309069U CN 214729772 U CN214729772 U CN 214729772U
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- side ladder
- ladder
- support
- chassis frame
- articulated
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Abstract
The utility model relates to an aviation ground equipment field specifically indicates an aviation food car side ladder, including the chassis frame and the railway carriage or compartment body, railway carriage or compartment body one side is equipped with the automatic canceling release mechanical system that stretches out of side ladder, the automatic canceling release mechanical system that stretches out of side ladder includes the side ladder support, side ladder and hydraulic cylinder, side ladder support one side and chassis frame fixed connection, side ladder support another side is equipped with the side ladder, the side ladder upper end is articulated with the side ladder support, be equipped with a hydraulic cylinder at least between side ladder middle part or side ladder lower extreme and the chassis frame, side ladder support one side is equipped with the control box, be equipped with hinge mechanisms on the side ladder support, hinge mechanisms includes articulated ear seat, round pin axle and split pin, the ladder upper end both sides of side ladder are equipped with articulated ear seat respectively, articulated ear seat is articulated with the ladder body of side ladder through round pin axle, split pin, be equipped with the guard shield on the articulated ear seat, the fixed handrail that is equipped with on the ladder body of side ladder, the utility model discloses simple structure, Can automatically incline, is convenient and stable to tread and has high safety.
Description
Technical Field
The utility model relates to an aviation ground equipment field specifically indicates an aviation food car side ladder.
Background
As an apparatus for providing food for an airplane, an aviation food cart has an increasing frequency of travel along with the increase of the frequency of travel of the airplane, and the usage amount and the usage frequency of the aviation food cart are increased, in the prior art, airport workers need to enter a carriage body from a tail ladder at the rear end of an auxiliary beam of the aviation food cart to carry out catering operation, and are far away from a cab, and the operation is inconvenient, and chinese patent CN108569419A retrieved discloses an aviation food cart, which comprises a chassis, a chassis component and a top-loading component, wherein the chassis is connected with the top-loading component through a fork frame, and the top-loading component comprises a carriage body and a four-way platform arranged on one side of the carriage body, and is characterized in that: the upper mounting component and the chassis are respectively provided with a first hydraulic system and a second hydraulic system which are independent of each other, and the first hydraulic system is used for driving the upper mounting component to move so as to align with a cabin door of the airplane; the second hydraulic system is used for driving the bottom part supports the chassis and drives the fork frame to lift, the upper assembling part further comprises a telescopic carriage door side ladder, the bottom of the upper assembling part is fixedly installed on the chassis, the upper end of the upper assembling part is connected with the carriage body, when the carriage body lifts relative to the chassis, the carriage door side ladder stretches out and draws back in the range of lifting height along with the carriage body, and the defects of the patent are that: the vertical setting of side ladder in the above-mentioned patent, each step is arranged perpendicularly, tramples inconveniently, and especially sleet weather slips very easily.
Disclosure of Invention
The utility model aims at solving the prior art not enough, provide a simple structure, can incline automatically, trample convenient, steady, the high aviation food car side ladder of security.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an aviation food car side ladder, includes chassis frame and railway carriage or compartment body, its characterized in that: the side ladder automatic stretching resetting mechanism is arranged on one side of the carriage body and comprises a side ladder support, a side ladder and a hydraulic oil cylinder, the side ladder support is arranged on one side of the carriage body, one side of the side ladder support is fixedly connected with the chassis frame, the other side of the side ladder support is provided with the side ladder, the upper end of the side ladder is hinged to the side ladder support, the lower end of the side ladder faces the ground, at least one hydraulic oil cylinder is arranged between the middle part of the side ladder or the lower end of the side ladder and the chassis frame, one end of the hydraulic oil cylinder is hinged to the chassis frame, the other end of the hydraulic oil cylinder is hinged to the side ladder, so that the side ladder is driven by the hydraulic oil cylinder to stretch outwards when the side ladder is used, the lower end of the side ladder is in contact with the ground, an inclined ladder is formed, workers can conveniently tread, and the safety is high.
Side ladder support one side is equipped with the control box, control box and side ladder support or chassis frame fixed connection, be equipped with the controller in the control box, hydraulic cylinder is connected with the controller to do benefit to and control hydraulic cylinder's the flexible through the controller, and then control stretching out or resetting of side ladder.
Be equipped with hinge mechanisms on the side ladder support, hinge mechanisms is including articulated ear seat, round pin axle and split pin, the ladder body upper end both sides of side ladder are equipped with articulated ear seat respectively, articulated ear seat and side ladder support fixed connection, articulated ear seat are articulated through the ladder body of round pin axle, split pin and side ladder to do benefit to and pass the side ladder through the round pin axle and articulate ear seat through split pin locking and decide the side ladder articulated with articulated ear seat.
Be equipped with the guard shield on the articulated ear seat, the guard shield cover is in the articulated department of ladder body of articulated ear seat and side ladder, the ladder body fixed connection of guard shield and side ladder to do benefit to and play the effect of protection side ladder and side ladder leg joint department through the guard shield.
The ladder body of side ladder is fixed and is equipped with the handrail to when doing benefit to the staff and trampling the side ladder, grab and hold the handrail, improve the security.
Hydraulic cylinder one end is equipped with first ear seat, and the other end is equipped with the second ear seat, first ear seat and chassis frame fixed connection, second ear seat and the footboard back fixed connection of side ladder, hydraulic cylinder one end is articulated through round pin axle, split pin and first ear seat, and the other end is articulated through round pin axle, split pin and second ear seat to do benefit to the automatic control who realizes the side ladder through hydraulic cylinder.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, can incline automatically, trample convenient, steady, security advantage such as high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle ladder of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of the back of the side ladder of the present invention.
Reference numerals: chassis frame 1, the railway carriage or compartment body 2, the automatic canceling release mechanical system 3 that stretches out of side ladder, side ladder support 4, side ladder 5, hydraulic cylinder 6, footboard 7, control box 8, hinge mechanism 9, articulated ear seat 10, round pin axle 11, split pin 12, guard shield 13, ladder body 14, handrail 15, first ear seat 16, second ear seat 17.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
The utility model provides an aviation food car side ladder, includes chassis frame 1 and railway carriage or compartment body 2, its characterized in that: the side ladder automatic stretching resetting mechanism 3 is arranged on one side of the carriage body 2, the side ladder automatic stretching resetting mechanism 3 comprises a side ladder support 4, a side ladder 5 and a hydraulic oil cylinder 6, the side ladder support 4 is arranged on one side of the carriage body 2, one side of the side ladder support 4 is fixedly connected with the chassis frame 1, the other side of the side ladder support 4 is provided with the side ladder 5, the upper end of the side ladder 5 is hinged with the side ladder support 4, the lower end of the side ladder 5 faces the ground, at least one hydraulic oil cylinder 6 is arranged between the middle part of the side ladder 5 or the lower end of the side ladder 5 and the chassis frame 1, one end of the hydraulic oil cylinder 6 is hinged with the chassis frame 1, and the other end of the hydraulic oil cylinder is hinged with a pedal 7 of the side ladder 5, so that the side ladder is driven by the hydraulic oil cylinder to stretch outwards when the side ladder is used, the lower end of the side ladder is contacted with the ground to form an inclined ladder, and the worker can conveniently stamp the side ladder, and the safety is high.
Be equipped with hinge mechanisms 9 on side ladder support 4, hinge mechanisms 9 is including articulated ear seat 10, round pin axle 11 and split pin 12, 14 upper end both sides of the ladder body of side ladder 5 are equipped with articulated ear seat 10 respectively, articulated ear seat 10 and side ladder support 4 fixed connection, articulated ear seat 10 is articulated through round pin axle 11, split pin 12 and the ladder body 14 of side ladder 5 to do benefit to and pass the side ladder through the round pin axle and articulated ear seat through split pin locking fastening decide the side ladder articulated with articulated ear seat.
Be equipped with guard shield 13 on articulated ear seat 10, guard shield 13 covers at articulated ear seat 10 and 14 articulated departments of ladder body, guard shield 13 and 14 fixed connection of ladder body to do benefit to and play the effect of protection side ladder and side ladder leg joint department through the guard shield.
Fixed handrail 15 that is equipped with on the ladder body 14 of side ladder 5 to when doing benefit to the staff and trampling the side ladder, grab and hold the handrail, improve the security.
As shown in attached figures 1-4, the upper end of the side ladder is hinged with the side ladder support, the lower end faces the ground, the controller can adopt a PLC controller, the controller can be connected with a vehicle-mounted control system, an operator can conveniently put or withdraw the side ladder in a cab, a flat pad can be additionally arranged between the upper end of the ladder body and the hinged lug seat, a pin shaft can be locked by a nut after passing through the ladder body and the hinged lug seat, the reliability of connection between the ladder body and the side ladder support is further improved after a cotter pin is arranged, two hydraulic cylinders can be arranged on the pedal of the side ladder at intervals,
during the use, start hydraulic cylinder, two hydraulic cylinder stretch out, drive side ladder lower extreme stretches out to the car, close hydraulic cylinder when the side ladder lower extreme contacts ground, as shown in figure 1, the staff hand is taken on the handrail, step on the footboard and can get into the railway carriage or compartment body, open the top that the railway carriage or compartment body corresponds the side ladder has the railway carriage or compartment door, the staff gets the back that finishes of eating, start hydraulic cylinder, the hydraulic cylinder withdrawal, the side ladder lower extreme is retrieved to the car, as shown in figure 2, the side ladder is withdrawed the back side ladder lower extreme and is break away from ground, the side ladder resets, close hydraulic cylinder can, the utility model discloses simple structure, convenient operation, the side ladder tilting tramples more steadily, and is safer, is difficult to slip, in addition, the side ladder increases the handrail, has further improved the security of using.
The utility model discloses owing to adopt above-mentioned structure, have simple structure, can incline automatically, trample convenient, steady, security advantage such as high.
Claims (6)
1. The utility model provides an aviation food car side ladder, includes chassis frame and railway carriage or compartment body, its characterized in that: the side ladder automatic stretching resetting mechanism is arranged on one side of the carriage body and comprises a side ladder support, a side ladder and a hydraulic oil cylinder, the side ladder support is arranged on one side of the carriage body, one side of the side ladder support is fixedly connected with the chassis frame, the other side of the side ladder support is provided with the side ladder, the upper end of the side ladder is hinged to the side ladder support, the lower end of the side ladder faces the ground, at least one hydraulic oil cylinder is arranged between the middle part of the side ladder or the lower end of the side ladder and the chassis frame, one end of the hydraulic oil cylinder is hinged to the chassis frame, and the other end of the hydraulic oil cylinder is hinged to the side ladder.
2. The aerial food cart side ladder of claim 1, wherein: and a control box is arranged on one side of the side ladder support and is fixedly connected with the side ladder support or the chassis frame, a controller is arranged in the control box, and the hydraulic oil cylinder is connected with the controller.
3. An aviation food cart side ladder as claimed in claim 1 or claim 2, wherein: the side ladder is characterized in that the side ladder support is provided with an articulating mechanism, the articulating mechanism comprises an articulating lug seat, a pin shaft and a split pin, the two sides of the upper end of the ladder body of the side ladder are respectively provided with the articulating lug seat, the articulating lug seats are fixedly connected with the side ladder support, and the articulating lug seats are articulated with the ladder body of the side ladder through the pin shaft and the split pin.
4. The aerial food cart side ladder of claim 3, wherein: the hinged ear seats are provided with shields which are fixedly connected with the ladder body of the side ladder.
5. An aviation food cart side ladder as claimed in claim 1, 2 or 4, wherein: the ladder body of the side ladder is fixedly provided with a handrail.
6. An aviation food cart side ladder as claimed in claim 1, 2 or 4, wherein: one end of the hydraulic oil cylinder is provided with a first lug seat, the other end of the hydraulic oil cylinder is provided with a second lug seat, the first lug seat is fixedly connected with the chassis frame, the second lug seat is fixedly connected with the back face of the pedal of the side ladder, one end of the hydraulic oil cylinder is hinged with the first lug seat through a pin shaft and a split pin, and the other end of the hydraulic oil cylinder is hinged with the second lug seat through a pin shaft and a split pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309069.4U CN214729772U (en) | 2021-06-11 | 2021-06-11 | Aviation food vehicle side ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309069.4U CN214729772U (en) | 2021-06-11 | 2021-06-11 | Aviation food vehicle side ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214729772U true CN214729772U (en) | 2021-11-16 |
Family
ID=78629540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309069.4U Active CN214729772U (en) | 2021-06-11 | 2021-06-11 | Aviation food vehicle side ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214729772U (en) |
-
2021
- 2021-06-11 CN CN202121309069.4U patent/CN214729772U/en active Active
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