CN203296977U - Excavator and engine air intake system thereof - Google Patents
Excavator and engine air intake system thereof Download PDFInfo
- Publication number
- CN203296977U CN203296977U CN2013203493482U CN201320349348U CN203296977U CN 203296977 U CN203296977 U CN 203296977U CN 2013203493482 U CN2013203493482 U CN 2013203493482U CN 201320349348 U CN201320349348 U CN 201320349348U CN 203296977 U CN203296977 U CN 203296977U
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- air
- strainer
- excavator
- prefilter
- mounting bracket
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Abstract
The utility model discloses an engine air intake system of an excavator. The air intake system comprises a prefilter (1) and a first air filter (3) which are communicated with each other. The first air cleaner is connected to an air inlet of an engine (7). The air intake system further comprises a mounting support (2) which is used for mounting the prefilter, and the mounting support is fixedly mounted on an excavator top plate (8) which is placed above the engine. According to the air intake system of the excavator, the prefilter is no longer directly mounted on the top of the first air filter, the mounting support is additionally arranged for mounting of the prefilter, the mounting support is directly mounted on the excavator top plate of the engine, and the prefilter is mounted on the excavator top plate more firmly through the mounting support and can not be easily damaged due to vibration. Due to the fact that the prefilter is dismounted from the first air filter, the weight is lowered, and similarly vibration damage can not happen easily. Therefore, the entire engine air intake system can not lose efficacy easily, vibration prevention performance is reliable, and the air filter effect is better.
Description
Technical field
The utility model relates to a kind of excavator, especially the engine aspirating system of excavator and excavator with this engine aspirating system.
Background technique
Motor is as the main power source of hydraulic shovel, and it is stable, work efficiently is significant for complete machine.Its gas handling system, as the important component part of power system, is burnt with participation for motor provides clean, dry, sufficient air.Wherein, dust is the one of the main reasons of engine scuffing, and most dusts enter motor by gas handling system.Therefore, how to meet the air inlet demand of motor, and reduce to greatest extent engine scuffing, reduce the dust that enters motor, this is significant for the life-span that extends motor.
Current, for severe dust environment, such as the large area of building site, mine, quarry and dust storm etc., gas handling system adopts multistage filtering.Be a kind of topology layout schematic diagram of engine aspirating system of excavator as depicted in figs. 1 and 2.Wherein adopted double-filtration, extraneous gas enters from prefilter 1, and enter in the first air-strainer 3 that is communicated with prefilter 1, then enter the second air-strainer 5 through the first suction tude 4, then by in the second suction tude 6 inflow engines 7.This engine aspirating system is used to motor 7 that clean, dry, sufficient air is provided, to burn and to reduce to greatest extent engine scuffing.Wherein, rear end has the first air-strainer 3 of dust exhaust port 9 by fastening being arranged on the excavator top board 8 that is positioned at motor 7 tops such as bolts, the second air-strainer 5 is fixedly mounted on excavator top board 8 belows, and prefilter 1 is fixed on the shell top of the first air-strainer 3 by fastening pieces such as larynx hoops.
Yet, because the shell of air-strainer mostly is engineering plastics, excavator top board 8 is generally steel, when excavator is worked due to reasons such as vibrations easily by air-strainer (especially the first air-strainer 3 engage with prefilter 1 housing parts) breakage, make gas handling system lose efficacy.In the layout structure of Fig. 1 and Fig. 2, the suction port of prefilter 1 is arranged to the motor distance less.Like this, while under bad working environments, working, the intake temperature of gas handling system is higher, is equivalent to, on motor 7 sides, a thermal source is set, and this is unfavorable for motor 7 its optimum performances of performance.In addition, due to prefilter 1, directly be fixedly mounted on the shell top of the first air-strainer 3, the air that is entered by prefilter 1 vertically enters in the filter core of the first air-strainer 3 and filters, dust granule after filtration directly is deposited in filter core under the self gravitation effect in, thereby be difficult to discharge from dust exhaust port 9.
The model utility content
The purpose of this utility model is to provide a kind of engine aspirating system of excavator, and the excavator with this engine aspirating system, and this engine aspirating system is installed firmly, the vibrationproof reliable performance, and the air filtering effect is good.
For achieving the above object, the utility model provides a kind of engine aspirating system of excavator, this gas handling system comprises prefilter and the first air-strainer that is connected, this the first air-strainer is connected to the suction port of motor, described gas handling system also comprises be used to the mounting bracket of described prefilter is installed, and this mounting bracket is fixedly mounted on the excavator top board that is positioned at described motor top.
Preferably, described prefilter has plastic casing, and described mounting bracket is Steel Support.
Preferably, described prefilter is fixedly mounted on the top of described mounting bracket, and this mounting bracket connects described the first air-strainer.
Preferably, described mounting bracket and the first air-strainer are arranged on described excavator top board side by side, and described mounting bracket is arranged in the side away from described motor of described the first air-strainer.
Preferably, in described mounting bracket, have hollow duct, this hollow duct is communicated with respectively the air outlet of suction port and the described prefilter of described the first air-strainer.
Preferably, the suction port level connection joint of described the first air-strainer is to described mounting bracket.
Preferably, described the first air-strainer comprises barrel-type casing and tubular filter core, and this tubular filter core is coaxial and be spaced apart and arranged in described barrel-type casing, and the suction port of described the first air-strainer is arranged on described barrel-type casing.
Preferably, described the first air-strainer also comprises bonnet, and the bottom of this bonnet is provided with dust exhaust port.
Preferably, described gas handling system also comprises the second air-strainer, and this second air-strainer is arranged between the suction port of described the first air-strainer and described motor.
On the basis of the above, the utility model also provides a kind of excavator, and this excavator comprises the engine aspirating system according to the above-mentioned excavator of the utility model.
According to technique scheme, in the engine aspirating system of excavator of the present utility model, no longer prefilter is directly installed on to the top of the first air-strainer, but set up mounting bracket so that prefilter to be installed, mounting bracket is directly installed on the excavator top board, prefilter is arranged on the excavator top board more securely by mounting bracket, is difficult for vibration damage.On the first air-strainer, owing to unloading except prefilter, alleviated weight, same more difficult generation vibration damage.Thereby whole engine aspirating system is difficult for losing efficacy, the vibrationproof reliable performance, and the air filtering effect is good.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms the part of specification, with following embodiment one, is used from explanation the utility model, but does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the plan view of topology layout of the engine aspirating system of excavator of the prior art;
Fig. 2 is the plan view of topology layout of the engine aspirating system of the excavator in Fig. 1;
Fig. 3 is the plan view according to the topology layout of the engine aspirating system of the excavator of preferred implementation of the present utility model;
Fig. 4 is the plan view of topology layout of the engine aspirating system of the excavator in Fig. 3;
Fig. 5 be the A of engine aspirating system of excavator shown in Figure 3 to the partial schematic diagram at visual angle, illustrate position and annexation between the first air-strainer, mounting bracket and prefilter; And
Fig. 6 is the decomposition assembling schematic diagram according to the first air-strainer in preferred implementation of the present utility model.
Description of reference numerals
1 prefilter 2 mounting brackets
3 first air-strainer 4 first suction tude
5 second air-strainer 6 second suction tude
7 motor 8 excavator top boards
9 dust exhaust ports
31 suction port 32 barrel-type casings
33 tubular filter core 34 bonnets
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for vertically, each parts mutual alignment relationship description word on vertical or gravitational direction.
As shown in Figure 3 and Figure 4, the utility model provides a kind of engine aspirating system of excavator, this gas handling system comprises prefilter 1 and the first air-strainer 3 that is connected, this the first air-strainer 3 is connected to the suction port of motor 7, gas handling system also comprises that be used to the mounting bracket 2 that prefilter 1 is installed, this mounting bracket 2 is fixedly mounted on the excavator top board 8 that is positioned at motor 7 tops.Visible, in the utility model, introduced mounting bracket 2 so that prefilter 1 to be installed, mounting bracket 2 is directly installed on excavator top board 8, and prefilter 1 is arranged on excavator top board 8 by mounting bracket 2 more firm and position suitable.Compared to the illustrated in figures 1 and 2 cover top portion of the first air-strainer 3 that prefilter 1 is arranged on, mounting bracket 2 can be designed to have more rigidity, more firm with being connected of prefilter 1 with excavator top board 8, even on mounting bracket 2, can design the vibration damping element, thereby when excavator is worked, be difficult for producing vibration damage.Similarly, on the first air-strainer 3, owing to unloading except prefilter 1, alleviated weight, same more difficult generation vibration damage.Therefore, whole engine aspirating system is difficult for vibration failur.
As previously mentioned, common prefilter 1 is generally plastic casing, air-strainer is also like this, and excavator top board 8 is metal material, as steel plate etc., in the time of like this on stacked the first air-strainer 3 that is arranged on same material by prefilter 1, easily cause the plastic casing of the first air-strainer 3 to produce vibration damaged.In the present embodiment, for reducing to vibrate the generation of damaged situation, mounting bracket 2 is designed to Steel Support, as steel bracket.Like this, mounting bracket 2 can be by on the fastening excavator top board 8 that is arranged on same material of the fastening pieces such as bolt.The parts of the light materials such as the first air-strainer 3 and prefilter 1 can be close to respectively on the excavator top board 8 and mounting bracket 2 that is arranged on metal material.Even excavator top board 8 and mounting bracket 2 produce vibration, because the own wt of prefilter 1 or the first air-strainer 3 is light, between prefilter 1 and mounting bracket 2 and between the first air-strainer 3 and excavator top board 8 in conjunction with firm, and mounting point is not high, the vibration amplitude of oscillation is little, therefore can above alleviate largely vibration damage.
As Fig. 3 or shown in Figure 5, prefilter 1 is preferably the top that is fixedly mounted on mounting bracket 2, and this mounting bracket 2 is preferably and connects the first air-strainer 3.Prefilter 1 can be fixedly mounted on mounting bracket 2 by larynx hoop etc.Mounting bracket 2 is connected with the first air-strainer 3 on being fixedly installed to excavator top board 8, makes it to install more reliable, is difficult for vibration unsceptered.Wherein, mounting bracket 2 and the first air-strainer 3 preferably are arranged on excavator top board 8 side by side, and mounting bracket 2 is arranged in the side away from motor 7 of the first air-strainer 3.Like this, make prefilter 1 as thermal source as much as possible away from motor 7, in order to avoid affect motor 7 work.The gas that enters prefilter 1 is also avoided motor 7 heating, reduces to a certain extent the intake temperature of prefilter 1.
After setting up mounting bracket 2, between prefilter 1 and the first air-strainer 3, can directly be communicated with, also can pass through mounting bracket 2 indirect communication.In present embodiment, adopt the latter, in Fig. 5, the interior design hollow duct of mounting bracket 2 (not shown), this hollow duct are communicated with respectively the air outlet of suction port and the prefilter 1 of the first air-strainer 3.Gas, by the rear transformation flow direction of mounting bracket 2, is conducive to Impurity deposition, below will set forth.
In conjunction with Fig. 6, first specifically understand the internal structure of air-strainer.The first air-strainer 3 in Fig. 6 comprises barrel-type casing 32 and tubular filter core 33, and this tubular filter core 33 is coaxial and be spaced apart and arranged in barrel-type casing 32, and the suction port 31 of the first air-strainer 3 is arranged on barrel-type casing 32.The first air-strainer 3 also comprises bonnet 34, and the bottom of this bonnet 34 is provided with dust exhaust port 9.According to this internal structure characteristics of air-strainer, in the present embodiment, the suction port 31 of the first air-strainer 3 can be as shown in Figure 5 preferably level connection joint to mounting bracket 2.Like this, when the gas flow that flows to the first air-strainer 3 from prefilter 1 forms approximate horizontal, can make in housing that gas can be in the first air-strainer and the annular space between filter core while flowing through, impurity in gas deposits to the bottom of housing downwards due to self gravitation, and discharges from the dust exhaust port 9 of bonnet 34.
In addition, the engine aspirating system of excavator can adopt more multistage filter type, and as shown in Figure 3, gas handling system also comprises the second air-strainer 5, this second air-strainer 5 is arranged between the suction port of the first air-strainer 3 and motor 7, to reach more excellent filtering effect.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. the engine aspirating system of an excavator, this gas handling system comprises prefilter (1) and the first air-strainer (3) that is connected, this the first air-strainer (3) is connected to the suction port of motor (7), it is characterized in that, described gas handling system also comprises be used to the mounting bracket that described prefilter (1) is installed (2), and this mounting bracket (2) is fixedly mounted on the excavator top board (8) that is positioned at described motor (7) top.
2. the engine aspirating system of excavator according to claim 1, is characterized in that, described prefilter (1) has plastic casing, and described mounting bracket (2) is Steel Support.
3. the engine aspirating system of excavator according to claim 2, is characterized in that, described prefilter (1) is fixedly mounted on the top of described mounting bracket (2), and this mounting bracket (2) connects described the first air-strainer (3).
4. the engine aspirating system of excavator according to claim 1, it is characterized in that, it is upper that described mounting bracket (2) and the first air-strainer (3) are arranged on described excavator top board (8) side by side, and described mounting bracket (2) is arranged in the side away from described motor (7) of described the first air-strainer (3).
5. the engine aspirating system of excavator according to claim 4, it is characterized in that, described mounting bracket has hollow duct in (2), and this hollow duct is communicated with respectively the air outlet of suction port (31) and the described prefilter (1) of described the first air-strainer (3).
6. the engine aspirating system of excavator according to claim 5, is characterized in that, suction port (31) level connection joint of described the first air-strainer (3) is to described mounting bracket (2).
7. the engine aspirating system of excavator according to claim 6, it is characterized in that, described the first air-strainer (3) comprises barrel-type casing (32) and tubular filter core (33), this tubular filter core (33) is coaxial and be spaced apart and arranged in described barrel-type casing (32), and the suction port (31) of described the first air-strainer (3) is arranged on described barrel-type casing (32).
8. the engine aspirating system of excavator according to claim 7, is characterized in that, described the first air-strainer (3) also comprises bonnet (34), and the bottom of this bonnet (34) is provided with dust exhaust port (9).
9. the engine aspirating system of excavator according to claim 1, it is characterized in that, described gas handling system also comprises the second air-strainer (5), and this second air-strainer (5) is arranged between the suction port of described the first air-strainer (3) and described motor (7).
10. an excavator, is characterized in that, this excavator comprises the engine aspirating system of the described excavator of any one according to claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203493482U CN203296977U (en) | 2013-06-18 | 2013-06-18 | Excavator and engine air intake system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203493482U CN203296977U (en) | 2013-06-18 | 2013-06-18 | Excavator and engine air intake system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203296977U true CN203296977U (en) | 2013-11-20 |
Family
ID=49572991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203493482U Expired - Lifetime CN203296977U (en) | 2013-06-18 | 2013-06-18 | Excavator and engine air intake system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203296977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757235A (en) * | 2018-06-07 | 2018-11-06 | 孔李南 | A kind of coal mine excavator system with environmental-protective filter |
| CN112879187A (en) * | 2019-11-29 | 2021-06-01 | 柳州柳工挖掘机有限公司 | Air filtering system of excavator |
| CN114542337A (en) * | 2022-02-28 | 2022-05-27 | 三一重机有限公司 | Air filter device for working machine and working machine |
-
2013
- 2013-06-18 CN CN2013203493482U patent/CN203296977U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757235A (en) * | 2018-06-07 | 2018-11-06 | 孔李南 | A kind of coal mine excavator system with environmental-protective filter |
| CN112879187A (en) * | 2019-11-29 | 2021-06-01 | 柳州柳工挖掘机有限公司 | Air filtering system of excavator |
| CN114542337A (en) * | 2022-02-28 | 2022-05-27 | 三一重机有限公司 | Air filter device for working machine and working machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |