CN206759978U - A kind of tractor of the lifting device with high-precision control hoisting depth - Google Patents
A kind of tractor of the lifting device with high-precision control hoisting depth Download PDFInfo
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- CN206759978U CN206759978U CN201720486378.6U CN201720486378U CN206759978U CN 206759978 U CN206759978 U CN 206759978U CN 201720486378 U CN201720486378 U CN 201720486378U CN 206759978 U CN206759978 U CN 206759978U
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- turbine
- lifting
- worm
- lifter
- motor
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Abstract
The utility model provides a kind of tractor of the lifting device with high-precision control hoisting depth, lifting device includes lifter casing, rotary setting in the lift shaft on lifter casing, the lift arm being located in lift shaft and motor for acting power to lift shaft, lifter box house has accommodating cavity, also include altitude feedback module, altitude feedback module is connected with lift arm and moved with lift arm；Motor one end is connected with turbine and worm decelerator, the other end of turbine and worm decelerator is provided with junction surface, and junction surface is when predetermined altitude is arrived in lift arm lifting suitable for being promoted by altitude feedback module so as to which turbine and worm decelerator generally translates along the axial direction of turbine and worm decelerator.The utility model is not required to motor work when being suspended on fixed position, reduces the energy consumption of tractor；The excessive height that can prevent lifter from lifting, so as to avoid excessively damage of the lifting to the hydraulic system of the lifter.
Description
Technical field
The utility model belongs to agricultural machinery hydraulic lifting mechanism field, and in particular to one kind has high-precision control lifting
The tractor of the lifting device of height.
Background technology
For many years, tractor rear-mounted hydraulic lifting system never has big change, and lifter band is driven by gearbox
Dynamic rear-mounted rod member lifting, although can be with supporting lifting from structure, reliability be relatively low in actual applications, failure is more, dimension
Repair inconvenience.Existing tractor lift structure, the mounting bracket on lift cylinder and tractor rear axle housing are direct by bearing pin
Connection, abrasion is also easy to produce in lifting process bearing pin, influences the service life of bearing pin, and then influence lift cylinder functional reliability；
Or oil cylinder seat and lift cylinder, directly by hinge, bearing pin is also easy to produce abrasion in lifting process, influences making for bearing pin
With the life-span, and then influence lift cylinder functional reliability；Or lift cylinder and bearing pin support assemble an oscillating bearing, this
Though scheme solves the problems, such as abrasion, unstable in lifting process lift cylinder axis, easily collided with its Surrounding Parts.And
And tractor horsepower is bigger requires that lifting force is bigger, lifter need to such as improve lifting force, then need to increase while horsepower is lifted
Cylinder diameter, increase housing, and then need tractor chassis to increase, but so greatly increase development difficulty and cost.
Tractor all uses hydraulic pressure lift suspension system at present, and it is lifted using fluid pressure and maintains suspension to be in various
Diverse location.Hydraulic pressure lift suspension system is made up of hydraulic pump, distributor, oil cylinder, lift arm, hanging bar etc..Wherein hydraulic pressure
Pump, oil cylinder, dispensing arrangement are more complicated, and contained parts are more, and precision prescribed is high.Hydraulic system may in the course of the work
There are the failures such as stuck valve, safety valve failure, leakage and whole hydraulic pressure lift suspension system operation failure can be made, can not be normal
Work.When during controlling suspension lifting with making suspension remain hanging from fixed position, in hydraulic pressure lift suspension
Hydraulic pump is all constantly in working condition, so as to in-oil cylinder oil pressure ascending, descending or keep constant to control the ascending, descending of suspension or guarantor
Hold and be suspended on fixed position.In transport and during farming, the farm implements most of the time on suspension is all in fixed position, and is lifted
The shared time is very short, therefore when being suspended in fixed position, the work of hydraulic pump can consume the excessive energy, and hydraulic oil
Use and replacing wastes fossil mineral resources.
Utility model content
【1】Technical problems to be solved
When the technical problems to be solved in the utility model is to provide one kind and can be suspended on fixed position, motor is not required to
Work, reduce the lifting device of the high-precision control hoisting depth of the energy consumption of electric tractor and the tractor with the device.
【2】The technical scheme solved the problems, such as
The utility model provides a kind of lifting device of high-precision control hoisting depth, including lifter casing, rotation are set
The lift shaft that is placed on the lifter casing, the lift arm being located in the lift shaft and for producing work to the lift shaft
Motor firmly, the lifter box house have accommodating cavity, in addition to an altitude feedback module, the altitude feedback module with
The lift arm is connected and moved with the lift arm；Described motor one end is connected with turbine and worm decelerator, the worm gear
The other end of worm gear box is adapted to extend into the mobile route of the altitude feedback module, wherein, the worm and gear
The other end of reducing gear is provided with junction surface, and the junction surface is suitable to described when predetermined altitude is arrived in lift arm lifting
Altitude feedback module is promoted so as to which the turbine and worm decelerator is generally along the axial direction side of the turbine and worm decelerator
To translation, based on the translation, the turbine and worm decelerator is suitable to be rolled over non-lifting angle from lifting angle position
Position.
The lifting device of above-mentioned high-precision control hoisting depth, the turbine and worm decelerator are double reduction machine
Structure, the first order are cylindrical gear drive, and the second level is Worm and worm-wheel gearing, and the motor shaft of the motor passes through spline
The driving gear axis connection of set and the cylindrical gear drive；Worm screw and the Cylinder Gear in the Worm Wheel System
The driven gear of wheel drive mechanism is coaxial.
The lifting device of above-mentioned high-precision control hoisting depth, the lift arm have two, are symmetricly set on described carry
Rise the both sides of device casing.
The lifting device of above-mentioned high-precision control hoisting depth, the motor are located at the accommodating cavity of the lifter casing
In.
The utility model additionally provides a kind of tractor, includes the lifting device of above-mentioned high-precision control hoisting depth.
【3】Beneficial effect
The tractor of this lifting device with high-precision control hoisting depth of the utility model is suspended on solid in farm implements
When positioning is put, this electric lifting device can utilize the latching characteristics of worm and gear to can be achieved, and be not required to motor work, so as to
Reduce the energy consumption of electric tractor；The excessive height that can prevent lifter from lifting, so as to avoid excessively lifting to the lifting
The damage of the hydraulic system of device, and the infringement for the component being pointed on the lifting path of lifter, and difference can be based on
Lifting require to realize regulation to hoisting depth, while avoid hydraulic lift system because of oil leak pressure release or air inlet and caused by
Failure, the fault rate of suspension is greatly reduced, and lifted and declined and react sensitiveer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the lifting device of high-precision control hoisting depth of the utility model.
Embodiment
Below in conjunction with the accompanying drawings, the utility model embodiment is discussed in detail.
Refering to Fig. 1, the utility model provides a kind of lifting device of high-precision control hoisting depth, including lifter casing
1st, rotary setting is in the lift shaft 2 on the lifter casing 1, the lift arm 21 being located in the lift shaft 2 and for institute
The motor 3 that lift shaft 2 acts power is stated, the inside of lifter casing 1 has accommodating cavity, in addition to altitude feedback module 4,
The altitude feedback module 4 is connected with the lift arm 21 and moved with the lift arm 21；Described one end of motor 3 is connected with snail
Worm and gear reducing gear 5, the other end of the turbine and worm decelerator 5 are adapted to extend into the shifting of the altitude feedback module 4
In dynamic path, wherein, the other end of the turbine and worm decelerator 5 is provided with junction surface, and the junction surface is in the lifting
Arm 21 lifting arrive during predetermined altitude be suitable to by the altitude feedback module 4 promote thus the turbine and worm decelerator 5 substantially
On translated along the axial direction of the turbine and worm decelerator 5, based on the translation, the turbine and worm decelerator 5 is suitable
In from lifting angle position be rolled over non-lifting angle position.Based on different operating environments and that is hung different plough
Kind equipment, the hoisting depth of the needs of lifter may have differences.Therefore, to the limitation of the hoisting depth of lifter 100
There is also different demands, in other words, the need of the hoisting depth for the lifter that regulation hoisting depth stopping means is limited be present
Will.
The situation of limited hoisting depth is being adjusted by length of the turbine and worm decelerator 5 along its axial direction
Under, the composition surface at junction surface has predetermined length, to ensure that touching operation handle in altitude feedback module 4 and composition surface replys
To close motor position during the altitude feedback module 4 contacted all the time with composition surface.
Here in the angle position, the lift valve referred to below is closed without to circuit non-lifting angle positional representation
In motor power to drive lifter to rise.Here lifting angle positional representation lift valve opened or part open with to
Motor in circuit is powered to drive lifter to rise.
Further, in a kind of preferred embodiment of the lifting device of high-precision control hoisting depth of the utility model,
The turbine and worm decelerator 5 is double reduction mechanism, and the first order is cylindrical gear drive, and the first order is by driven gear
Formed with driving gear, the second level is Worm and worm-wheel gearing, and worm screw doubles as driven tooth in first order column gear transmission
Wheel shaft, the motor shaft of the motor 3 pass through the driving gear axis connection of spline housing and the cylindrical gear drive；The snail
Worm screw and the driven gear of the cylindrical gear drive in worm and gear transmission is coaxial.
Further, in a kind of preferred embodiment of the lifting device of high-precision control hoisting depth of the utility model,
The lift arm 21 has two, is symmetricly set on the both sides of the lifter casing 1.The end of lift shaft 2 is from lifter casing 1
Stretched out in interior mounting hole, the rear end of lift arm 21 is connected with the end of lift shaft 2, and front end is used for the agriculture pulled with machine drawing rear
Tool is attached.
Further, in a kind of preferred embodiment of the lifting device of high-precision control hoisting depth of the utility model,
The motor 3 is located in the accommodating cavity of the lifter casing 1.The motor shaft of the motor 3 passes through spline housing and the cylinder
The gear axis connection of the driving gear of gear drive；The lubrication of turbine and worm decelerator 5 is using in lifter casing 1
The lubricating oil of chamber lubricates.
A kind of tractor, include the lifting device of any of the above-described described high-precision control hoisting depth.
The course of work：Before farming, user sets the desired value of tilling depth according to actual conditions, when needing suspension down or up
When, the button on operational control panel sends the corresponding command, order by passing to motor 3 after lifting controller processing, its
Started working according to this order, caused power passes by motor shaft, gear and driving gear, worm screw, turbine, turbine wheel shaft successively
Lift arm 21 is passed, so as to drive the sprung parts such as lifting arm, lower pull bar to realize the down or up of farm implements；When needing agriculture
When tool is suspended on fixed position (such as in transport and farming), the order that the corresponding button on operational control panel is sent is through carrying
Liter controller, which passes to motor 3, makes it be stopped, and farm implements can be made to be suspended on fixed bit using the characteristic of worm and gear self-locking
Put motionless.
The tractor of this lifting device with high-precision control hoisting depth of the utility model is suspended on solid in farm implements
When positioning is put, this electric lifting device can utilize the latching characteristics of worm and gear to can be achieved, and be not required to motor work, so as to
Reduce the energy consumption of electric tractor；The excessive height that can prevent lifter from lifting, so as to avoid excessively lifting to the lifting
The damage of the hydraulic system of device, and the infringement for the component being pointed on the lifting path of lifter, and difference can be based on
Lifting require to realize regulation to hoisting depth, while avoid hydraulic lift system because of oil leak pressure release or air inlet and caused by
Failure, the fault rate of suspension is greatly reduced, and lifted and declined and react sensitiveer.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of lifting device of high-precision control hoisting depth, including lifter casing (1), rotary setting are in the lifter
Lift shaft (2) on casing (1), the lift arm (21) being located in the lift shaft (2) and for being produced to the lift shaft (2)
The motor (3) of active force, the lifter casing (1) is internal to have accommodating cavity, it is characterised in that：Also include altitude feedback module
(4), the altitude feedback module (4) is connected with the lift arm (21) and with the lift arm (21) movement；The motor (3)
One end is connected with turbine and worm decelerator (5), and the other end of the turbine and worm decelerator (5) is adapted to extend into the height
Spend in the mobile route of feedback module (4), wherein, the other end of the turbine and worm decelerator (5) is provided with junction surface, institute
Junction surface is stated to be suitable to be promoted so as to described by the altitude feedback module (4) when predetermined altitude is arrived in the lift arm (21) lifting
Turbine and worm decelerator (5) generally translates along the axial direction of the turbine and worm decelerator (5), based on described flat
Move, the turbine and worm decelerator (5) is suitable to be rolled over non-lifting angle position from lifting angle position.
A kind of 2. lifting device of high-precision control hoisting depth as claimed in claim 1, it is characterised in that：The worm gear snail
Bar reducing gear (5) is double reduction mechanism, and the first order is cylindrical gear drive, and the second level is Worm Wheel System machine
Structure, the motor shaft of the motor (3) pass through the driving gear axis connection of spline housing and the cylindrical gear drive；The snail
Worm screw and the driven gear of the cylindrical gear drive in worm and gear transmission is coaxial.
A kind of 3. lifting device of high-precision control hoisting depth as claimed in claim 1, it is characterised in that：The lift arm
(21) there are two, be symmetricly set on the both sides of the lifter casing (1).
A kind of 4. lifting device of high-precision control hoisting depth as claimed in claim 1, it is characterised in that：The motor
(3) it is located in the accommodating cavity of the lifter casing (1).
A kind of 5. tractor, it is characterised in that：Including carrying for any described high-precision control hoisting depth of Claims 1-4
Rise device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486378.6U CN206759978U (en) | 2017-05-04 | 2017-05-04 | A kind of tractor of the lifting device with high-precision control hoisting depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486378.6U CN206759978U (en) | 2017-05-04 | 2017-05-04 | A kind of tractor of the lifting device with high-precision control hoisting depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759978U true CN206759978U (en) | 2017-12-19 |
Family
ID=60650102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486378.6U Active CN206759978U (en) | 2017-05-04 | 2017-05-04 | A kind of tractor of the lifting device with high-precision control hoisting depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111295959A (en) * | 2020-03-13 | 2020-06-19 | 山东弘宇农机股份有限公司 | External strong-pressure horizontal cylinder lifter for tractor |
| CN112470586A (en) * | 2020-12-07 | 2021-03-12 | 湖北工业大学 | Bidirectional control electro-hydraulic suspension system of tractor |
-
2017
- 2017-05-04 CN CN201720486378.6U patent/CN206759978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111295959A (en) * | 2020-03-13 | 2020-06-19 | 山东弘宇农机股份有限公司 | External strong-pressure horizontal cylinder lifter for tractor |
| CN112470586A (en) * | 2020-12-07 | 2021-03-12 | 湖北工业大学 | Bidirectional control electro-hydraulic suspension system of tractor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Zihan Inventor before: Zhou Zihan |