CN206568991U - A kind of low bed trailer hydraulically extensible cat ladder - Google Patents
A kind of low bed trailer hydraulically extensible cat ladder Download PDFInfo
- Publication number
- CN206568991U CN206568991U CN201720175537.0U CN201720175537U CN206568991U CN 206568991 U CN206568991 U CN 206568991U CN 201720175537 U CN201720175537 U CN 201720175537U CN 206568991 U CN206568991 U CN 206568991U
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- Prior art keywords
- cat ladder
- hydraulic cylinder
- main
- trailer
- hinged seat
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Abstract
The utility model discloses a kind of low bed trailer hydraulically extensible cat ladder, it is related to cat ladder field, including trailer, main cat ladder, retractable cat ladder, lifting hydraulic cylinder and telescopic hydraulic cylinder, trailer afterbody is provided with the first hinged seat and the second hinged seat, trailer afterbody is hinged main cat ladder by the first hinged seat, main cat ladder is the strip box-structure of one end open, trailer afterbody is hinged lifting hydraulic cylinder by the second hinged seat, main cat ladder bottom is provided with the 3rd hinged seat, the piston rod of lifting hydraulic cylinder is hinged with main cat ladder by the 3rd hinged seat, retractable cat ladder is strip box-structure, retractable cat ladder is slidably arranged in main cat ladder, telescopic hydraulic cylinder is provided with main cat ladder, the piston rod of telescopic hydraulic cylinder is connected with retractable cat ladder, chassis of trailer is provided with the first hydraulic pump and the second hydraulic pump, telescopic hydraulic cylinder and lifting hydraulic cylinder are connected with the first hydraulic pump and the second hydraulic pump respectively, this design, and occupy little space, not over the restriction of national standard, with certain practical value.
Description
Technical field
The utility model is related to cat ladder field, more particularly to a kind of low bed trailer hydraulically extensible cat ladder.
Background technology
Semitrailer is a kind of means of transport that trailer is connected with tractor by towing pin.In order to obtain larger hold
Loading capability, semitrailer is generally two axles or three axle semitrailers, and its species is divided into storehouse column semitrailer, and low flat bed semi trailer etc. is a variety of, low
Flat bed trailer car body position is without breast board, commonly used to transport middle-size and small-size vehicle, engineering machinery and the heavily loaded goods of other big parts.For
All kinds of self-propelled equipment (such as excavator, harvester) are facilitated to get on or off the bus, many trailer afterbodys have added left and right two and climbed
Ladder device.
In the prior art, because by being limited in national standard on height of car, the cat ladder of some low flat bed semi trailers
Length is short, causes cat ladder angle excessive after putting down, when transporting some engineering truck (such as excavators), loads difficulty greatly, speed
Slowly, inefficiency, and there is certain potential safety hazard, therefore part low-bed semitrailer ladder can change and make collapsible, both may be used
Avoid vehicle highly exceeded, the purpose of increase cat ladder length is can reach again, for using bringing facility, but such design is deposited
Excessive, the complex structure and other problems in hinge stress.
Patent of invention such as Chinese Publication No. CN102155149A discloses a kind of hydraulic lifting folding of flat bed transport vehicle
Cat ladder after stacked, includes car body, and the tail end of car body, which is fixedly welded with bearing, bearing, is hinged with cat ladder, and cat ladder is by upper and lower section
Ladder is hinged composition；The tail end of car body is hinged with hydraulic cylinder, and the piston rod of hydraulic cylinder withstands on the middle part at the bed ladder back side；The tail of car body
Support bar is hinged between end and the end of bed ladder.This design, effectively increases cat ladder length, reduces the cat ladder gradient, but
It is that fly is also to be directly exposed to outside when not in use, takes up space, and function is single, it is impossible to as needed, in change
The length of ladder is saved, using limited.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low bed trailer hydraulically extensible cat ladder, and structure is set
Meter is reasonable, vdiverse in function, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of low bed trailer hydraulically extensible
Cat ladder, including trailer, main cat ladder, retractable cat ladder, lifting hydraulic cylinder and telescopic hydraulic cylinder, the afterbody of the trailer is provided with the first hinge
Joint chair and the second hinged seat, second hinged seat are located at the lower section of the first hinged seat, and the afterbody of the trailer passes through the first hinge
Joint chair is hinged main cat ladder, and the main cat ladder is the strip box-structure of one end open, and the afterbody of the trailer passes through the second hinge
Joint chair is hinged lifting hydraulic cylinder, and the bottom of the main cat ladder is provided with the 3rd hinged seat, the piston rod of the lifting hydraulic cylinder and master
Cat ladder is hinged by the 3rd hinged seat, and the retractable cat ladder is strip box-structure, and the retractable cat ladder is arranged on main cat ladder
It is interior, and be slidably connected with main cat ladder, telescopic hydraulic cylinder is provided with the main cat ladder, the piston rod of the telescopic hydraulic cylinder is with stretching
Cat ladder is connected, and the chassis of the trailer is provided with the first hydraulic pump and the second hydraulic pump, the telescopic hydraulic cylinder and raise-lower hydraulic
Cylinder is connected with the first hydraulic pump and the second hydraulic pump respectively.
Preferential, the end of the main cat ladder and retractable cat ladder is inclined-plane.
Preferential, the inclined-plane of the retractable cat ladder is provided with wear-resistant coating.
Preferential, the two side of the main cat ladder, which is equipped with some mounting grooves, the mounting groove, is provided with LED, described
The side wall of main cat ladder is additionally provided with battery and switch, and the LED is connected by wire with battery and switch.
Preferential, the bottom of the main cat ladder is provided with solar panel, and the solar panel and battery are electrical
Connection.
Beneficial effect using above technical scheme is：The low bed trailer of the utility model structure is climbed with hydraulically extensible
Ladder, compared with prior art, the utility model control the lifting of main cat ladder by lifting hydraulic cylinder, are controlled by telescopic hydraulic cylinder
The length of retractable cat ladder processed, easy to operate, bearing capacity is strong, improves the efficiency of self-propelled equipment handling operation, reduces and set
Standby driving difficulty, reduces risk, while after the device rises, retractable cat ladder is contracted in main cat ladder, will not directly be exposed
In outside, increase the service life, and take less space, not over the restriction of national standard, with certain practical valency
Value.
And the end of main cat ladder and retractable cat ladder is inclined-plane, in use, being easy to the overlap joint of main cat ladder and retractable cat ladder, stretch
Contact of the contracting cat ladder with ground, facilitates and scribbles wear-resistant coating on equipment entrucking, the inclined-plane of retractable cat ladder, to the inclined-plane of retractable cat ladder
Protected, reduce the abrasion with ground, increase the service life, the two side of main cat ladder also increases illumination functions, facilitates night
Entrucking, is easy to use, when main cat ladder, which rises, to be come, and solar panel be can be very good to absorb sunshine, and solar energy is converted
It is power storage in battery, is that LED is powered, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the schematic diagram of embodiment 1 of the present utility model；
Fig. 2 is the schematic diagram of embodiment 2 of the present utility model；
Fig. 3 is the schematic diagram of retractable cat ladder in the utility model embodiment 2.
Wherein, 1- trailers, the hinged seats of 2- first, the hinged seats of 3- second, the hinged seats of 4- the 3rd, the main cat ladders of 5-, 6- is flexible to climb
Ladder, 7- telescopic hydraulic cylinders, 8- lifting hydraulic cylinders, 9- mounting grooves, 10-LED lamps, 11- batteries, 12- switches, 13- solar-electricities
Pond plate, the hydraulic pumps of 14- first, the hydraulic pumps of 15- second, 16- wear-resistant coatings.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Embodiment 1：
Show embodiment of the present utility model with reference to Fig. 1：A kind of low bed trailer hydraulically extensible cat ladder, including
Trailer 1, main cat ladder 5, retractable cat ladder 6, lifting hydraulic cylinder 8 and telescopic hydraulic cylinder 7, the afterbody of the trailer 1 are hinged provided with first
Seat 2 and second hinged seat 3, second hinged seat 3 are located at the lower section of the first hinged seat 2, and the afterbody of the trailer 1 passes through the
One hinged seat 2 is hinged main cat ladder 5, and the main cat ladder 5 is the strip box-structure of one end open, and the afterbody of the trailer 1 leads to
Cross the second hinged seat 3 and be hinged lifting hydraulic cylinder 8, the bottom of the main cat ladder 5 is provided with the 3rd hinged seat 4, the lifting hydraulic cylinder 8
Piston rod be hinged with main cat ladder 5 by the 3rd hinged seat 4, the retractable cat ladder 6 is strip box-structure, described flexible to climb
Ladder 6 is arranged in main cat ladder 5, and is slidably connected with main cat ladder 5, and telescopic hydraulic cylinder 7 is provided with the main cat ladder 5, described flexible
The piston rod of hydraulic cylinder 7 is connected with retractable cat ladder 6, and the chassis of the trailer 1 is provided with the first hydraulic pump 14 and the second hydraulic pump
15, the telescopic hydraulic cylinder 7 and lifting hydraulic cylinder 8 are connected with the first hydraulic pump 14 and the second hydraulic pump 15 respectively.
In the present embodiment, the end of main cat ladder 5 and retractable cat ladder 6 is inclined-plane, in use, being easy to main cat ladder 5 with stretching
The overlap joint of cat ladder 6, contact of the retractable cat ladder 6 with ground, facilitates equipment entrucking.
Embodiment 2：
Show embodiment of the present utility model with reference to Fig. 2 and Fig. 3：A kind of low bed trailer is climbed with hydraulically extensible
Ladder, including trailer 1, main cat ladder 5, retractable cat ladder 6, lifting hydraulic cylinder 8 and telescopic hydraulic cylinder 7, the afterbody of the trailer 1 is provided with the
One hinged seat 2 and the second hinged seat 3, second hinged seat 3 are located at the lower section of the first hinged seat 2, and the afterbody of the trailer 1 leads to
Cross the first hinged seat 2 and be hinged main cat ladder 5, the main cat ladder 5 is the strip box-structure of one end open, the trailer 1
Afterbody is hinged lifting hydraulic cylinder 8 by the second hinged seat 3, and the bottom of the main cat ladder 5 is provided with the 3rd hinged seat 4, the lifting
The piston rod of hydraulic cylinder 8 is hinged with main cat ladder 5 by the 3rd hinged seat 4, and the retractable cat ladder 6 is strip box-structure, institute
State retractable cat ladder 6 to be arranged in main cat ladder 5, and be slidably connected with main cat ladder 5, telescopic hydraulic cylinder 7 is provided with the main cat ladder 5,
The piston rod of the telescopic hydraulic cylinder 7 is connected with retractable cat ladder 6, and the chassis of the trailer 1 is provided with the first hydraulic pump 14 and the
Two hydraulic pumps 15, the telescopic hydraulic cylinder 7 and lifting hydraulic cylinder 8 are connected with the first hydraulic pump 14 and the second hydraulic pump 15 respectively
Connect.
In the present embodiment, the end of main cat ladder 5 and retractable cat ladder 6 is inclined-plane, in use, being easy to main cat ladder 5 with stretching
The overlap joint of cat ladder 6, contact of the retractable cat ladder 6 with ground, facilitates equipment entrucking.
In the present embodiment, wear-resistant coating 16 is scribbled on the inclined-plane of retractable cat ladder 6, the inclined-plane of retractable cat ladder 6 is protected
Shield, reduces the abrasion with ground, increases the service life.
In the present embodiment, the two side of main cat ladder 5 is machined with mounted LED lamp 10 in some mounting grooves 9, mounting groove 9, main
The side wall of cat ladder 5 is also equipped with battery 11 and switch 12, and LED 10 is connected with battery 11 and switch 12 by wire, increased
Illumination functions, facilitate night entrucking, are easy to use.
In the present embodiment, the bottom of main cat ladder 5 is equipped with solar panel 13, the solar panel 13 and battery
11 are electrically connected with, when main cat ladder 5, which rises, to be come, and solar panel 13 be can be very good to absorb sunshine, and solar energy is converted
It is power storage in battery 11, is that LED lamps 10 are powered, energy-conserving and environment-protective.
Operation principle of the present utility model：Trailer 1 is identical with trailer of the prior art, when specifically used, and trailer 1 is travelled
After in place, the piston rod for controlling lifting hydraulic cylinder 8 by the second hydraulic pump 15 is retracted, and main cat ladder 5 is fallen；Pass through the first hydraulic pressure
The piston rod of the control telescopic hydraulic cylinder 7 of pump 14 stretches out, and promotes retractable cat ladder 6 to stretch out, iterates through the first hydraulic pump 14 and second
Hydraulic pump 15 manipulates telescopic hydraulic cylinder 7 and lifting hydraulic cylinder 8, you can cat ladder is adjusted into suitable position；
After equipment entrucking is finished, the piston rod for controlling lifting hydraulic cylinder 8 by the second hydraulic pump 15 stretches out, by main cat ladder
5 risings are packed up；The piston rod for controlling telescopic hydraulic cylinder 7 by the first hydraulic pump 14 is retracted, and retractable cat ladder 6 is retracted in into main cat ladder
In 5 cavity, so as to shorten the entire length of cat ladder, iterate through the first hydraulic pump 14 and the second hydraulic pump 15 manipulates flexible liquid
Cylinder pressure 7 and lifting hydraulic cylinder 8, you can cat ladder is retracted to driving states.
Based on above-mentioned, the use hydraulically extensible of low bed trailer 1 cat ladder 6 of the utility model structure, compared with prior art, sheet
Utility model controls the lifting of main cat ladder 5 by lifting hydraulic cylinder 8, and the length of retractable cat ladder 6 is controlled by telescopic hydraulic cylinder 7
Degree, easy to operate, bearing capacity is strong, improves the efficiency of self-propelled equipment handling operation, reduces the driving difficulty of equipment, subtract
Risk is lacked, while after the device rises, retractable cat ladder 6 is contracted in main cat ladder 5, will not be directly exposed to outside, and extension makes
With the life-span, and less space is taken, not over the restriction of national standard, with certain practical value.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (5)
1. a kind of low bed trailer hydraulically extensible cat ladder, including trailer, main cat ladder, retractable cat ladder, lifting hydraulic cylinder and flexible
Hydraulic cylinder, it is characterised in that：The afterbody of the trailer is provided with the first hinged seat and the second hinged seat, and second hinged seat is located at
The lower section of first hinged seat, the afterbody of the trailer is hinged main cat ladder by the first hinged seat, and the main cat ladder is one end open
Strip box-structure, the afterbody of the trailer is hinged lifting hydraulic cylinder, the bottom of the main cat ladder by the second hinged seat
Provided with the 3rd hinged seat, the piston rod of the lifting hydraulic cylinder is hinged with main cat ladder by the 3rd hinged seat, the retractable cat ladder
For strip box-structure, the retractable cat ladder is arranged in main cat ladder, and is slidably connected with main cat ladder, is set in the main cat ladder
There is telescopic hydraulic cylinder, the piston rod of the telescopic hydraulic cylinder is connected with retractable cat ladder, the chassis of the trailer is provided with the first liquid
Press pump and the second hydraulic pump, the telescopic hydraulic cylinder and lifting hydraulic cylinder are connected with the first hydraulic pump and the second hydraulic pump respectively
Connect.
2. low bed trailer according to claim 1 hydraulically extensible cat ladder, it is characterised in that：The main cat ladder and flexible
The end of cat ladder is inclined-plane.
3. low bed trailer according to claim 2 hydraulically extensible cat ladder, it is characterised in that：The retractable cat ladder it is oblique
Face is provided with wear-resistant coating.
4. low bed trailer according to claim 1 hydraulically extensible cat ladder, it is characterised in that：The both sides of the main cat ladder
Wall, which is equipped with some mounting grooves, the mounting groove, is provided with LED, and the side wall of the main cat ladder is additionally provided with battery and switch,
The LED is connected by wire with battery and switch.
5. low bed trailer according to claim 4 hydraulically extensible cat ladder, it is characterised in that：The bottom of the main cat ladder
Provided with solar panel, the solar panel is electrically connected with battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175537.0U CN206568991U (en) | 2017-02-27 | 2017-02-27 | A kind of low bed trailer hydraulically extensible cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175537.0U CN206568991U (en) | 2017-02-27 | 2017-02-27 | A kind of low bed trailer hydraulically extensible cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206568991U true CN206568991U (en) | 2017-10-20 |
Family
ID=60059433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175537.0U Expired - Fee Related CN206568991U (en) | 2017-02-27 | 2017-02-27 | A kind of low bed trailer hydraulically extensible cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206568991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367607A (en) * | 2020-10-15 | 2022-04-19 | 安徽永舟文具有限公司 | Multi-axis linkage spring machine |
-
2017
- 2017-02-27 CN CN201720175537.0U patent/CN206568991U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367607A (en) * | 2020-10-15 | 2022-04-19 | 安徽永舟文具有限公司 | Multi-axis linkage spring machine |
| CN114367607B (en) * | 2020-10-15 | 2024-04-19 | 安徽永舟文具有限公司 | Multi-shaft linkage spring machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20180227 |