CN218221603U - Air filter and high-horsepower tractor - Google Patents

Abstract

The utility model provides an air cleaner and high horse power tractor relates to agricultural machine technical field, and air cleaner includes casing, filter assembly, centrifugal mechanism, admission line and supply-air duct, the admission line centrifugal mechanism the casing and supply-air duct connects gradually, filter assembly set up in the casing or in the supply-air duct, the casing lateral wall is close to centrifugal mechanism's position is provided with the deslagging port, the supply-air duct is used for communicating with the engine. The frequency of filter assembly replacement is reduced.

Description

Air filter and high-horsepower tractor

Technical Field

The utility model relates to the technical field of agricultural machinery, particularly, relate to an air cleaner and high horsepower tractor.

Background

The working environment of agricultural machinery often has great dust, for example when the high horsepower tractor carries out packing operation in the field, pick-up mechanism can carry the dust with the straw and pick up, produces great raise dust, and job site air condition is relatively poor, therefore the tractor driver need regularly clear up or change the filter core.

When a filter element in the air filter is cleaned, the working site of a high-horsepower tractor is poor in working condition, the air filter element needs to be cleaned every day, one set of filter element needs to be replaced after compressed air is blown for 4-6 times, if the air filter element of an engine is not cleaned in time, the air filter element is blocked, the problem of unsmooth air intake, resistance increase and air flow reduction are caused, the power of the engine is insufficient, the power is reduced, if the damage of the air filter element cannot be found in time, the engine can be pulled within 2-3 hours, and the maintenance cost of equipment is increased greatly.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above technical problems.

In order to solve the problem, the utility model provides an air filter, including casing, filtering component, centrifugal mechanism, inlet duct and supply air duct, the inlet duct centrifugal mechanism the casing and supply air duct connects gradually, filtering component set up in the casing or in the supply air duct, the casing lateral wall is close to centrifugal mechanism's position is provided with the slagging scorification mouth, supply air duct is used for communicating with the engine.

The utility model provides a pair of air cleaner compares in prior art, has but not be limited to following beneficial effect:

during the operation of high horsepower tractor, the air that contains certain impurity enters into centrifugal mechanism earlier through the admission line, the air becomes rotatory air current by centrifugal mechanism configuration, impurity quality is big more, the centrifugal force that receives is big more, the great impurity of quality can be got rid of to shells inner wall, these impurity collide and fall into the cinder notch under gravity behind the shells inner wall, receive the less granule of centrifugal force influence in the air and filter by subsequent filtering component again, dustless air finally gets into the engine through supply-air duct, can get into the combustion chamber after by the turbine pressure boost. The utility model discloses an air cleaner has reduced the stifled condition of filter assembly in the casing greatly, collects the impurity at the scum hole and can regularly clear up, increases filter assembly's life, reduces filter assembly's change frequency.

Further, the slag discharge port is communicated with an exhaust pipe of the engine through a pipeline.

Furthermore, the centrifugal mechanism comprises a connecting seat, two ends of the connecting seat are respectively connected with the shell and the air inlet pipeline, a plurality of cyclone pipes penetrate through the connecting seat from one end to the other end of the connecting seat, and cyclones are arranged in the cyclone pipes.

Further, the filter assembly includes a primary filter and a secondary filter, the primary filter and the secondary filter are disposed in the housing, and the secondary filter is disposed on a side of the primary filter away from the centrifugal mechanism.

Further, a pressure sensor is arranged in the shell, and the pressure sensor is arranged on one side, far away from the primary filter, of the secondary filter.

Further, the air filter further includes an alarm device provided at an outer wall of one of the housing, the centrifugal mechanism, the intake duct, and the blowing duct.

Further, the shell is of a split structure.

Further, the casing is including dismantling first section pipe, second section pipe and the third section pipe of connecting in proper order, the one-level filter crimping in first section pipe with between the second section pipe, the second grade filter crimping in the third section pipe with between the second section pipe, the second section pipe is flexible pipe, first section pipe is kept away from the one end of second section pipe with centrifugal mechanism is connected, the third section pipe is kept away from the one end of second section pipe with supply-air duct connects.

Furthermore, the second section of pipe comprises a first butt joint pipe, a corrugated pipe and a second butt joint pipe which are sequentially connected, wherein one end, far away from the corrugated pipe, of the first butt joint pipe is detachably connected with the first section of pipe, and one end, far away from the corrugated pipe, of the second butt joint pipe is detachably connected with the third section of pipe.

In addition, the utility model discloses still provide a high horse power tractor, include the air cleaner as before.

Since the technical improvement and advantageous effects of the high horsepower tractor are the same as those of the air filter, a detailed description thereof will not be given.

Drawings

FIG. 1 is a schematic front view of an air filter according to an embodiment of the present invention;

fig. 2 is a schematic side view of a centrifugal mechanism of an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a housing according to an embodiment of the present invention.

Description of the reference numerals:

1-shell, 11-first section pipe, 12-second section pipe, 121-first butt joint pipe, 122-second butt joint pipe, 123-corrugated pipe, 13-third section pipe, 2-filtering component, 21-first stage filter, 22-second stage filter, 3-centrifugal mechanism, 31-connecting seat, 32-cyclone pipe, 33-cyclone, 4-air inlet pipeline, 5-air supply pipeline, 6-slag discharge port, 7-pressure sensor, 81-inner bulge, 82-outer bulge and 9-bolt component.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis indicates the vertical direction, that is, the up-down position, and the positive direction of the Z-axis (that is, the arrow direction of the Z-axis) indicates the up, the negative direction of the Z-axis (that is, the direction opposite to the positive direction of the Z-axis) indicates the down, the Y-axis indicates the lateral direction, that is, the left-right position, and the positive direction of the Y-axis (that is, the arrow direction of the Y-axis) indicates the left, the negative direction of the Y-axis (that is, the direction opposite to the positive direction of the Y-axis) indicates the right, the X-axis indicates the longitudinal direction, that is, the front-rear position, and the positive direction of the X-axis (that is, the arrow direction of the X-axis) indicates the front, and the negative direction of the X-axis (that is, the direction opposite to the positive direction of the X-axis) indicates the rear.

It should also be noted that the foregoing Z-axis, X-axis, and Y-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1 to 3, the embodiment of the present invention provides an air filter, including casing 1, filter element 2, centrifugal mechanism 3, inlet duct 4 and supply air duct 5, inlet duct 4 centrifugal mechanism 3 casing 1 and supply air duct 5 connect gradually, filter element 2 set up in casing 1 or in supply air duct 5, casing 1 lateral wall is close to the position of centrifugal mechanism 3 is provided with slag discharging opening 6, supply air duct 5 is used for communicating with the engine.

In this embodiment, during the operation of high horsepower tractor, the air that contains certain impurity enters into centrifugal mechanism 3 through inlet duct 4 earlier, the air forms rotatory air current by centrifugal mechanism 3, the impurity quality is big more, the centrifugal force that receives is big more, the great impurity of quality can be got rid of to casing 1 inner wall, these impurity collide fall into in the scum outlet 6 behind casing 1 inner wall under the gravity, receive in the air that centrifugal force influences less granule is filtered by subsequent filter assembly 2 again, dustless air finally gets into the engine through supply air duct 5, can get into the combustion chamber after by the turbine pressure boost. The utility model discloses an air cleaner has reduced the stifled condition of filter assembly 2 in the casing 1 greatly, collects and can regularly clear up at the impurity of row's cinder notch 6, increases filter assembly 2's life, reduces filter assembly 2's change frequency.

It can be understood that the slag discharge port 6 is provided with a slag discharge cover, and when the impurities collected at the slag discharge port 6 need to be cleaned, the slag discharge cover is taken away.

Optionally, the slag discharge port 6 is communicated with an exhaust pipe of the engine through a pipeline.

The slag discharging port 6 is communicated with an exhaust pipeline of the engine through a pipeline, so that engine exhaust gas enters air after passing through an exhaust manifold and an exhaust pipe, impurities collected at the slag discharging port 6 are sucked into the exhaust pipe under the action of negative pressure generated by the exhaust gas in the exhaust pipe of the engine and are discharged to the outside of a vehicle body along with the engine exhaust gas, the effect of discharging the impurities in real time is achieved, and the slag discharging port 6 does not need to be cleaned manually.

Optionally, referring to fig. 2, the centrifugal mechanism 3 includes a connecting base 31, two ends of the connecting base 31 are respectively connected to the housing 1 and the air inlet duct 4, a plurality of cyclone tubes 32 penetrate through the connecting base 31 from one end to the other end, and cyclones 33 are disposed in the cyclone tubes 32.

Here, the air containing certain impurities passes through the plurality of cyclone tubes 32 through the air inlet duct 4, the cyclone tubes 32 are provided with the cyclones 33 at the ports, the air generates a rotating airflow under the action of the cyclones 33 after entering the cyclone tubes 32, the rotating air and the impurities in the cyclone tubes 32 are acted by centrifugal force, the larger the mass of the object is, the larger the centrifugal force is, so that the dust and particles in the impurities can rotate along the inner walls of the cyclone tubes 32, and after the dust and the particles are separated from the cyclone tubes 32, the dust and the particles do not move axially (move linearly in the left-right direction) under the action of the centrifugal force, but are thrown to the inner walls of the housing 1, and fall into the slag discharge port 6 under the action of gravity after colliding to the inner walls of the housing 1.

Optionally, referring to fig. 3, the filter assembly 2 includes a primary filter 21 and a secondary filter 22, the primary filter 21 and the secondary filter 22 are disposed in the housing 1, and the secondary filter 22 is disposed on a side of the primary filter 21 away from the centrifugal mechanism 3.

Here, the first-stage filter 21 filters out the particle impurities with larger diameters, the second-stage filter 22 filters out the particle impurities with smaller diameters, and the filtering effect is good through multi-stage filtering and step-by-step filtering.

Optionally, referring to fig. 1, a pressure sensor 7 is disposed in the housing 1, and the pressure sensor 7 is disposed on a side of the secondary filter 22 away from the primary filter 21.

Here, the chamber in the housing on the left side of the secondary filter 22 is denoted as a detection chamber in which the pressure sensor 7 is provided for detecting the pressure therein. When the primary filter 21 and the secondary filter 22 are too long to cause serious blockage, the pressure value in the detection cavity can rise, and the pressure sensor 7 sends an alarm signal after detecting that the pressure in the detection cavity is inconsistent with the normal pressure value, so as to prompt a worker to replace the primary filter 21 and the secondary filter 22.

Optionally, the air filter further comprises an alarm device provided at an outer wall of one of the housing 1, the centrifugal mechanism 3, the intake duct 4 and the blast duct 5.

Here, the pressure sensor 7 sends out an alarm signal when detecting that the pressure in the detection cavity is not consistent with the normal pressure value, and the alarm device starts to alarm after receiving the alarm signal.

Optionally, the housing 1 is a split structure.

Here, by setting the housing to be a split structure, since the left and right ends of the housing 1 are respectively the air supply duct 5 and the centrifugal mechanism 3, the air supply duct 5 or the centrifugal mechanism 3 does not need to be detached first, and the housing 1 can be split directly, so that the first-stage filter 21 and the second-stage filter 22 inside can be replaced conveniently.

Alternatively, referring to fig. 3, the housing of this embodiment may have a split structure, where the housing 1 includes a first section of pipe 11, a second section of pipe 12, and a third section of pipe 13 that are detachably connected in sequence, the first-stage filter 21 is crimped between the first section of pipe 11 and the second section of pipe 12, the second-stage filter 22 is crimped between the third section of pipe 13 and the second section of pipe 12, the second section of pipe 12 is a telescopic pipe, one end of the first section of pipe 11 away from the second section of pipe 12 is connected to the centrifugal mechanism 3, and one end of the third section of pipe 13 away from the second section of pipe 12 is connected to the air supply duct 5.

Here, the exterior of the first section of pipe 11, the second section of pipe 12, and the third section of pipe 13 may be provided with an external protrusion 82, the adjacent pipes are connected together by the external protrusion 82 in cooperation with the bolt assembly 9, when the first-stage filter 21 and the second-stage filter 22 need to be disassembled, the bolt assembly 9 is disassembled first, and then the second section of pipe 12 is shortened, so that a gap for the removal of the first-stage filter 21 is formed between the second section of pipe 12 and the first section of pipe 11, or a gap for the removal of the second-stage filter 22 is formed between the second section of pipe 12 and the third section of pipe 13.

The inner walls of the first section of pipe 11, the second section of pipe 12 and the third section of pipe 13 can be provided with inner bulges 81, the first-stage filter 21 is pressed and fixed by the first section of pipe 11, the inner bulges 81 and the inner bulges 81 of the second section of pipe 12, and the second-stage filter 22 is pressed and fixed by the third section of pipe 13, the inner bulges 81 and the inner bulges 81 of the second section of pipe 12.

Optionally, referring to fig. 3, the second section of pipe 12 includes a first connection pipe 121, a corrugated pipe 123 and a second connection pipe 122 connected in sequence, where an end of the first connection pipe 121 away from the corrugated pipe 123 is detachably connected to the first section of pipe 11, and an end of the second connection pipe 122 away from the corrugated pipe 123 is detachably connected to the third section of pipe 13.

Here, the second pipe segment 12 can be expanded and contracted by expansion and contraction of the bellows 123.

In addition, another embodiment of the present invention provides a high horsepower tractor including an air filter as described above.

Since the technical improvement and advantageous effects of the high horsepower tractor are the same as those of the air filter, a detailed description thereof will not be given.

The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Without departing from the spirit and scope of the present disclosure, those skilled in the art can make various changes and modifications, which will fall into the scope of the present disclosure.

Claims (10)

1. The utility model provides an air filter, its characterized in that, includes casing (1), filtering component (2), centrifugal mechanism (3), air intake duct (4) and supply-air duct (5), air intake duct (4) centrifugal mechanism (3) casing (1) and supply-air duct (5) connect gradually, filtering component (2) set up in casing (1) or in supply-air duct (5), casing (1) lateral wall is close to the position of centrifugal mechanism (3) is provided with row cinder notch (6), supply-air duct (5) are used for with the engine intercommunication.

2. An air filter according to claim 1, characterized in that the slag discharge (6) communicates with the exhaust pipe of the engine by means of a pipe.

3. The air filter according to claim 1, wherein the centrifugal mechanism (3) comprises a connecting seat (31), two ends of the connecting seat (31) are respectively connected with the housing (1) and the air inlet duct (4), a plurality of cyclone tubes (32) penetrate through the connecting seat (31) from one end to the other end, and cyclones (33) are arranged in the cyclone tubes (32).

4. An air filter according to claim 1, characterised in that the filter assembly (2) comprises a primary filter (21) and a secondary filter (22), the primary filter (21) and the secondary filter (22) being arranged in the housing (1), and the secondary filter (22) being arranged on the side of the primary filter (21) remote from the centrifugal mechanism (3).

5. An air filter according to claim 4, characterised in that a pressure sensor (7) is arranged in the housing (1), and that the pressure sensor (7) is arranged on the side of the secondary filter (22) remote from the primary filter (21).

6. An air filter according to claim 5, further comprising an alarm device provided at an outer wall of one of the housing (1), the centrifugal mechanism (3), the intake duct (4) and the blast duct (5).

7. An air filter according to claim 4, characterised in that the housing (1) is of a split construction.

8. The air filter according to claim 7, wherein the housing (1) comprises a first section of pipe (11), a second section of pipe (12) and a third section of pipe (13) which are detachably connected in sequence, the primary filter (21) is crimped between the first section of pipe (11) and the second section of pipe (12), the secondary filter (22) is crimped between the third section of pipe (13) and the second section of pipe (12), the second section of pipe (12) is a telescopic pipe, one end of the first section of pipe (11) far away from the second section of pipe (12) is connected with the centrifugal mechanism (3), and one end of the third section of pipe (13) far away from the second section of pipe (12) is connected with the air supply duct (5).

9. The air filter according to claim 8, wherein the second section of pipe (12) comprises a first butt pipe (121), a corrugated pipe (123) and a second butt pipe (122) which are connected in sequence, one end of the first butt pipe (121) far away from the corrugated pipe (123) is detachably connected with the first section of pipe (11), and one end of the second butt pipe (122) far away from the corrugated pipe (123) is detachably connected with the third section of pipe (13).

10. A high horsepower tractor comprising an air filter according to any one of claims 1 to 9.

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