CN215073802U - Adjustable distributor and tractor lifter comprising same - Google Patents
Adjustable distributor and tractor lifter comprising same Download PDFInfo
- Publication number
- CN215073802U CN215073802U CN202121557194.7U CN202121557194U CN215073802U CN 215073802 U CN215073802 U CN 215073802U CN 202121557194 U CN202121557194 U CN 202121557194U CN 215073802 U CN215073802 U CN 215073802U
- Authority
- CN
- China
- Prior art keywords
- rotary valve
- channel
- liquid
- liquid inlet
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The utility model discloses a distributor reaches tractor lifting mechanism by its constitution with adjustable, distributor with adjustable, which comprises a housin, the inside rotary valve chamber that is equipped with of casing, rotary valve chamber outside is equipped with inlet channel, flowing back passageway and pressure release passageway. The rotary valve is arranged in the rotary valve cavity in a rotating mode, a liquid inlet and a liquid outlet are arranged on the circumferential surface of the rotary valve, and the liquid inlet is always communicated with the liquid inlet channel. When the rotary valve is fixed, the liquid outlet is in through connection with the liquid drainage channel, and when the rotary valve rotates, the liquid outlet is in through connection with the liquid drainage channel and the pressure relief channel simultaneously. The utility model discloses distributor is from taking oil pressure regulatory function with adjustable need not stop valve and relevant pipeline, improves space utilization, reduce cost.
Description
Technical Field
The utility model belongs to the field of agricultural machinery, concretely relates to distributor and by its tractor raiser of constituteing with adjustable.
Background
The lifter is an important component of a tractor, and is matched with a suspension device of the tractor to realize lifting, descending, overturning, field operation and the like of the articulated agricultural implement. The lifter assembly mainly comprises a lifter shell assembly, a lifting oil cylinder assembly, a left lifting arm assembly, a right lifting arm assembly, a left oil cylinder bracket, a right oil cylinder bracket, a breather assembly and the like. The lifting oil cylinder assembly is divided into a high-pressure oil cylinder assembly and a non-high-pressure oil cylinder assembly. The application of the high-pressure oil cylinder is wide, particularly, the high-power section tractor with over 80 horsepower generally adopts the high-pressure oil cylinder as a standard configuration, however, in the practical use of users, the high-pressure effect needs to be removed in many cases.
At present, a bypass pipeline is mostly arranged on a pipeline between a distributor and a lifting oil cylinder, the bypass pipeline bypasses the lifting oil cylinder, and a stop valve is arranged on the bypass pipeline. The service condition of the bypass pipeline is adjusted by controlling the switch of the stop valve, so that the pressure of hydraulic oil entering the lifting oil cylinder is influenced, and the switching between strong pressure and non-strong pressure is realized.
This arrangement adds a shut-off valve and associated piping, requires a certain installation space, and also adds cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide distributor and by its tractor raiser of constituteing with adjustable, the utility model discloses distributor is from taking oil pressure regulatory function with adjustable need not stop valve and relevant pipeline, improves space utilization, reduce cost.
The utility model provides a technical scheme that the problem that its exists adopted is:
distributor with adjustable, including the casing, the inside center of casing be equipped with columniform commentaries on classics valve chamber, change valve chamber outside and be equipped with along its radial distribution's inlet channel, flowing back passageway and pressure release channel, inlet channel, flowing back passageway and pressure release channel one end and commentaries on classics valve chamber through connection, the other end and casing outside through connection.
The rotary valve cavity is internally and rotatably provided with a rotary valve with the same shape and the same size, a liquid inlet and a liquid outlet are arranged on the circumferential surface of the rotary valve, and the liquid inlet and the liquid outlet are communicated and connected by the cavity inside the rotary valve.
The liquid inlet is always communicated with the liquid inlet channel.
When the rotary valve is fixed, the liquid outlet is in through connection with the liquid drainage channel, and when the rotary valve rotates, the liquid outlet is in through connection with the liquid drainage channel and the pressure relief channel simultaneously.
The rotary valve central shaft penetrates through the outer part of the shell.
Preferably, the inner diameters of the liquid inlet channel, the liquid discharge channel and the pressure relief channel are the same.
Preferably, the liquid inlet channel, the liquid discharge channel and the pressure relief channel are uniformly distributed around the axis of the rotary valve cavity.
Preferably, the opening angle of the liquid inlet is 45-80 degrees, and the opening angle of the liquid outlet is 90-120 degrees.
Preferably, the tail end of the liquid inlet channel is connected with a liquid inlet pipe in a through mode, the tail end of the liquid discharge channel is connected with a liquid discharge pipe in a through mode, and the tail end of the pressure discharge channel is connected with a three-way pipe.
Preferably, the two sides of the back of the shell extend to form bottom plates, and a plurality of holes are formed in the bottom plates.
Preferably, the front surface of the shell is provided with a stepping motor, and an output shaft of the stepping motor is fixedly connected with a central shaft of the rotary valve.
Preferably, the stepping motor is provided with a speed reducing mechanism.
The tractor lifter comprises an adjustable distributor, a hydraulic station, an operating mechanism, a lifting arm assembly and a lifting oil cylinder assembly.
The adjustable distributor, the control mechanism, the lifting arm assembly and the lifting oil cylinder are all fixed on the lifter frame, an oil outlet of the hydraulic station is in through connection with a liquid inlet pipe through a pipeline, a liquid discharge pipe is in through connection with an oil inlet of the lifting oil cylinder through a pipeline, an oil outlet of the lifting oil cylinder is in through connection with one interface of the three-way pipe through a pipeline, and the last interface of the three-way pipe is in through connection with the oil inlet of the hydraulic station through a pipeline.
Preferably, an oil return filter is arranged on a pipeline between the oil inlet of the hydraulic station and the three-way pipe.
Compared with the prior art, the utility model discloses beneficial effect who has:
(1) the regulation of three states of a strong pressure oil cylinder, a non-strong pressure oil cylinder and pressure relief can be realized by rotating the rotary valve.
(2) The oil pressure adjusting interval of the hydraulic oil discharged by the drain pipe is larger.
(3) The tractor lifter does not need to install a stop valve and an auxiliary pipeline additionally, so that the space utilization rate is improved, and the cost is reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a view of the adjustable distributor of the present invention,
figure 2 is an exploded view of the adjustable distributor motor of the present invention,
figure 3 is a cross-sectional view of the adjustable distributor of the present invention,
FIG. 4 is a valve position diagram of the adjustable distributor in the forced pressure state,
FIG. 5 is a valve position diagram of the adjustable distributor of the present invention in the non-forced state,
FIG. 6 is a valve position diagram of the adjustable distributor of the present invention in the pressure relief state,
fig. 7 is an outline view of the adjustable rotary valve of the distributor of the present invention.
In the figure, 1-shell, 101-rotary valve cavity, 102-liquid inlet channel, 103-liquid discharge channel, 104-pressure relief channel, 2-bottom plate, 201-hole, 3-rotary valve, 301-liquid inlet, 302-liquid outlet, 4-liquid inlet pipe, 5-liquid discharge pipe, 6-three-way pipe, 7-stepping motor and 701-output shaft.
Detailed Description
The accompanying drawings are preferred embodiments of the adjustable distributor and the tractor lifter comprising the same, and the present invention is further described in detail with reference to the accompanying drawings.
Referring to figures 1 to 3 of the drawings, an adjustable dispenser comprises a housing 1. The internal center of the shell 1 is provided with a cylindrical rotary valve cavity 101, the external part of the rotary valve cavity 101 is provided with a liquid inlet channel 102, a liquid discharge channel 103 and a pressure relief channel 104 which are distributed along the radial direction of the rotary valve cavity, one end of the liquid inlet channel 102, one end of the liquid discharge channel 103 and one end of the pressure relief channel 104 are in through connection with the rotary valve cavity 101, and the other end of the liquid inlet channel 102, one end of the liquid discharge channel 103 and one end of the pressure relief channel 104 are in through connection with the external part of the shell 1.
The liquid inlet channel 102, the liquid discharge channel 103 and the pressure relief channel 104 have the same inner diameter. The liquid inlet channel 102, the liquid discharge channel 103 and the pressure release channel 104 are uniformly distributed around the axis of the rotary valve cavity 101, namely, the tail end of the liquid inlet channel 102 with an included angle of 120 degrees between every two adjacent channels is in through connection with a liquid inlet pipe 4, the tail end of the liquid discharge channel 103 is in through connection with a liquid discharge pipe 5, and the tail end of the pressure release channel 104 is connected with a three-way pipe 6.
The rotary valve cavity 101 is internally and rotatably provided with a rotary valve 3 with the same shape and the same size, the circumferential surface of the rotary valve 3 is provided with a liquid inlet 301 and a liquid outlet 302, and the cavity in the rotary valve 3 is communicated with the liquid inlet 301 and the liquid outlet 302. In order to further reduce the flow resistance, the widths of the liquid inlet 301 and the liquid outlet 302 are equal to or larger than the diameters of the liquid inlet channel 102, the liquid discharge channel 103, and the pressure release channel 104 in the axial direction of the rotary valve 3.
The opening angle of the liquid inlet 301 is 45-80 degrees, and the opening angle of the liquid outlet 302 is 90-120 degrees.
The liquid inlet 301 is always communicated with the liquid inlet channel 102.
As shown in fig. 4, when the rotary valve 3 is fixed, the liquid outlet 302 is connected to the liquid drainage channel 103, and the lifter of the tractor is in a strong pressure state; as shown in fig. 5, when the rotary valve 3 rotates a certain angle interval, the liquid outlet 302 is simultaneously communicated with the liquid discharge channel 103 and the pressure relief channel 104, and at this time, the lifter of the tractor is in a non-forced state; as shown in fig. 6, when the rotary valve 3 continues to rotate, the liquid outlet 302 is only connected to the pressure relief passage 104, and at this time, the pressure relief state is established, and the lifter of the tractor cannot work.
The central shaft of the rotary valve 3 penetrates through the outer part of the shell 1 and is controlled to rotate by the control device. The control device can be mechanical or electric, in the embodiment, the rotary driving mechanism of the rotary valve 3 is electrically controlled and is a stepping motor 7 with a speed reducing mechanism. The stepping motor 7 is fixedly connected with the front surface of the shell 1 through a bolt, and an output shaft 701 of the stepping motor 7 is fixedly connected with a central shaft of the rotary valve 3.
In order to fix the adjustable distributor, two sides of the back of the shell 1 extend with a bottom plate 2, the bottom plate 2 is provided with a plurality of holes 201, and the holes 201 are through holes or threaded holes.
The tractor lifter comprises an adjustable distributor, a hydraulic station, an operating mechanism, a lifting arm assembly and a lifting oil cylinder assembly.
The adjustable distributor, the control mechanism, the lifting arm assembly and the lifting oil cylinder are all fixed on the lifter frame, an oil outlet of the hydraulic station is in through connection with a liquid inlet pipe 4 through a pipeline, a liquid discharge pipe 5 is in through connection with an oil inlet of the lifting oil cylinder through a pipeline, an oil outlet of the lifting oil cylinder is in through connection with one interface of the three-way pipe 6 through a pipeline, and the last interface of the three-way pipe 6 is in through connection with the oil inlet of the hydraulic station through a pipeline.
In order to keep the hydraulic oil entering the hydraulic station clean, an oil return filter is arranged on a pipeline between the oil inlet of the hydraulic station and the three-way pipe 6.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. Adjustable distributor, its characterized in that:
comprises a shell (1), a cylindrical rotary valve cavity (101) is arranged at the center inside the shell (1), a liquid inlet channel (102), a liquid discharge channel (103) and a pressure relief channel (104) which are distributed along the radial direction of the rotary valve cavity (101) are arranged outside the rotary valve cavity (101), one end of the liquid inlet channel (102), one end of the liquid discharge channel (103) and one end of the pressure relief channel (104) are communicated with the rotary valve cavity (101), the other end of the liquid inlet channel (102), one end of the liquid discharge channel (103) and one end of the pressure relief channel (104) are communicated with the outside of the shell (1),
a rotary valve (3) with the same shape and size is rotatably arranged in the rotary valve cavity (101), a liquid inlet (301) and a liquid outlet (302) are arranged on the circumferential surface of the rotary valve (3), the liquid inlet (301) and the liquid outlet (302) are communicated by the cavity in the rotary valve (3),
the liquid inlet (301) is always communicated with the liquid inlet channel (102),
when the rotary valve (3) is fixed, the liquid outlet (302) is communicated with the liquid drainage channel (103), when the rotary valve (3) rotates, the liquid outlet (302) is simultaneously communicated with the liquid drainage channel (103) and the pressure relief channel (104),
the central shaft of the rotary valve (3) penetrates through the shell (1).
2. The adjustable dispenser according to claim 1, wherein:
the inner diameters of the liquid inlet channel (102), the liquid discharge channel (103) and the pressure relief channel (104) are the same.
3. The adjustable dispenser according to claim 1 or 2, wherein:
the liquid inlet channel (102), the liquid discharge channel (103) and the pressure relief channel (104) are uniformly distributed around the axis of the rotary valve cavity (101).
4. The adjustable dispenser according to claim 3, wherein:
the opening angle of the liquid inlet (301) is 45-80 degrees, and the opening angle of the liquid outlet (302) is 90-120 degrees.
5. The adjustable dispenser according to claim 4, wherein:
the tail end of the liquid inlet channel (102) is connected with a liquid inlet pipe (4) in a through mode, the tail end of the liquid discharge channel (103) is connected with a liquid discharge pipe (5) in a through mode, and the tail end of the pressure release channel (104) is connected with a three-way pipe (6).
6. The adjustable dispenser according to claim 1 or 2 or 4 or 5, wherein:
both sides of the back of the shell (1) extend to form a bottom plate (2), and a plurality of holes (201) are formed in the bottom plate (2).
7. The adjustable dispenser according to claim 6, wherein:
the front surface of the shell (1) is provided with a stepping motor (7), and an output shaft (701) of the stepping motor (7) is fixedly connected with a central shaft of the rotary valve (3).
8. The adjustable dispenser according to claim 7, wherein:
the stepping motor (7) is provided with a speed reducing mechanism.
9. Tractor hoist, including the adjustable distributor of claim 7, further including hydraulic pressure station, operating mechanism, lift arm assembly, lift cylinder assembly, its characterized in that:
the adjustable distributor, the control mechanism, the lifting arm assembly and the lifting oil cylinder are all fixed on the lifter frame, an oil outlet of the hydraulic station is in through connection with a liquid inlet pipe (4) through a pipeline, a liquid discharge pipe (5) is in through connection with an oil inlet of the lifting oil cylinder through a pipeline, an oil outlet of the lifting oil cylinder is in through connection with one interface of the three-way pipe (6) through a pipeline, and the last interface of the three-way pipe (6) is in through connection with the oil inlet of the hydraulic station through a pipeline.
10. The tractor lifter of claim 9, wherein:
an oil return filter is arranged on a pipeline between the oil inlet of the hydraulic station and the three-way pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121557194.7U CN215073802U (en) | 2021-07-09 | 2021-07-09 | Adjustable distributor and tractor lifter comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121557194.7U CN215073802U (en) | 2021-07-09 | 2021-07-09 | Adjustable distributor and tractor lifter comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215073802U true CN215073802U (en) | 2021-12-10 |
Family
ID=79314881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121557194.7U Active CN215073802U (en) | 2021-07-09 | 2021-07-09 | Adjustable distributor and tractor lifter comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215073802U (en) |
-
2021
- 2021-07-09 CN CN202121557194.7U patent/CN215073802U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215073802U (en) | Adjustable distributor and tractor lifter comprising same | |
| US5467597A (en) | Hydromechanical transmission | |
| CN201461390U (en) | Pressure-regulating gear pump | |
| CN210168639U (en) | Double-runner water turbine box | |
| CN107448381B (en) | Power device | |
| CN214889082U (en) | Swing type slow-closing check valve | |
| CN201027701Y (en) | Adjustable vortex pump | |
| CN110319022A (en) | The adjustable experiment test device in centrifugal pump front and rear cover plate gap | |
| CN213392599U (en) | Peristaltic pump for micro-flow control of glass reaction kettle | |
| CN212564545U (en) | One-way throttle valve for speed regulation of hydraulic adjustable hydraulic system | |
| CN107689304A (en) | A kind of hydraulic actuating mechanism | |
| CN201344294Y (en) | Adjustable cooling valve | |
| CN209621747U (en) | A kind of hydraulic motor with inner curved piston shell flushing valve | |
| CN201250816Y (en) | Overlap-type speed-regulating valve | |
| CN107293419B (en) | Breaker | |
| CN210196625U (en) | Piston valve for controlling water level of water treatment tank | |
| CN107035738B (en) | A kind of rotating multi-channel valve with pressurize protecting against shock | |
| CN2767729Y (en) | Multi-way reversing valve with diverter | |
| CN218000015U (en) | Simple balance valve for controlling oil cylinder | |
| CN219833890U (en) | Liquid cooling type permanent magnet speed regulator | |
| CN217153069U (en) | Valve tap valve member convenient to equipment | |
| CN218845249U (en) | Water outlet reversing device | |
| CN215293654U (en) | High-stability one-way speed-adjustable shutoff valve for oil cavity | |
| CN211821680U (en) | Oil pump and engine assembly | |
| CN216692308U (en) | Novel pneumatic control hydraulic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |