CN202117812U - Engine intake system of large-sized hydraulic excavator - Google Patents
Engine intake system of large-sized hydraulic excavator Download PDFInfo
- Publication number
- CN202117812U CN202117812U CN2011202139699U CN201120213969U CN202117812U CN 202117812 U CN202117812 U CN 202117812U CN 2011202139699 U CN2011202139699 U CN 2011202139699U CN 201120213969 U CN201120213969 U CN 201120213969U CN 202117812 U CN202117812 U CN 202117812U
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- China
- Prior art keywords
- air
- air filter
- prefilter
- filter cleaner
- engine
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an engine intake system of a large-sized hydraulic excavator, which belongs to the technical field of engineering machinery and comprises a first air prefilter, a first main air filter, rubber hoses, an engine turbocharger, a second air prefilter, a second main air filter and an air collection box. The first air prefilter is connected with the first main air filter through one rubber hose, the second air prefilter is connected with the second main air filter through another rubber hose, the first main air filter and the second main air filter are connected to two air intake ports of the air collection box respectively through two rubber hoses, and an air outlet of the air collection box is connected to the engine turbocharger through one rubber hose. The engine intake system has the advantages that the requirements of a high-power engine of the large-sized hydraulic excavator on air intake and air intake resistance can be met, cost of developing single high-flow air prefilters and main air filters is reduced, air intake noise is reduced, and operational comfort of the whole excavator is improved.
Description
Technical field
The utility model relates to a kind of large hydraulic digger engine gas handling system, belongs to technical field of engineering machinery.
Background technique
At present; Hydraulic shovel engine aspirating system on the domestic and international market is an air prefilter and the back suction port that is connected directly to the engine supercharger gas compressor through rubber hose of primary air filter cleaner series connection; With regard to present alternative air prefilter and primary air filter cleaner, can satisfy of the requirement of motor producer to gas handling system resistance and air inflow.Along with the fast development of China's economic construction, quality and speed that various infrastructures are constructed have all had higher requirement, so the demand of large-scale even super sized type hydraulic shovel will rapidly promote.Power system is the heart of hydraulic shovel, and the reliability of engine aspirating system guarantees the key factor of engine power output especially.The large hydraulic excavator with engine output more than 300KW; The intake resistance of gas handling system and the requirement of air inflow are all improved a lot, and obviously the engine aspirating system of hydraulic shovel employing at present can not adapt to the requirement of large hydraulic digger engine gas handling system.
Summary of the invention
To the problem that above-mentioned existing technology exists, the utility model provides a kind of large hydraulic digger engine gas handling system, satisfies the requirement of large hydraulic digger engine gas handling system.
To achieve these goals; The technological scheme that the utility model adopts is: a kind of large hydraulic digger engine gas handling system; Comprise first air prefilter, the first primary air filter cleaner, rubber hose, engine turbine pressurized machine; First air prefilter is connected with the first primary air filter cleaner through rubber hose; Also comprise second air prefilter, second primary air filter cleaner and the gas collecting box; Second air prefilter is connected with the second primary air filter cleaner through rubber hose, and the first primary air filter cleaner and the second primary air filter cleaner are connected to two suction ports of gas collecting box through rubber hose, and the air outlet of gas collecting box is connected in the engine turbine pressurized machine through rubber hose.
Preferably, first air prefilter and second air prefilter are fixed on the covering upper sealing plate by the air prefilter fixing bolt.
Preferably, the first primary air filter cleaner and the second primary air filter cleaner are fixed on the covering crossbeam through primary air filter cleaner fixing frame.
Preferably, gas collecting box is fixed on the covering crossbeam through gas collecting box fixing frame and gas collecting box fixing bolt.
The beneficial effect of the utility model is: can satisfy air inflow and the intake resistance requirement of large hydraulic excavator with high power engine, reduce the cost of research and development monomer mass flow air prefilter and primary air filter cleaner; Reduce induction noise, improved the operation comfort of car load.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 11, the first primary air filter cleaner, 12, the second primary air filter cleaner, 2, primary air filter cleaner fixing frame; 3, rubber hose, 41, first air prefilter, 42, second air prefilter; 5, air prefilter fixing bolt, 6, the gas collecting box fixing frame, 7, the gas collecting box fixing bolt; 8, gas collecting box, 9, the engine turbine pressurized machine.
Embodiment
To combine accompanying drawing that the utility model is described further below.
As shown in Figure 1: the utility model comprises first air prefilter 41, the first primary air filter cleaner 11, rubber hose 9, engine turbine pressurized machine 10; First air prefilter 41 is connected with the first primary air filter cleaner 11 through rubber hose 3; Also comprise second air prefilter 42, the second primary air filter cleaner 12 and gas collecting box 8; Second air prefilter 42 is connected with the second primary air filter cleaner 12 through rubber hose 3; The first primary air filter cleaner 11 and the second primary air filter cleaner 12 are connected to two suction ports of gas collecting box 8 through rubber hose 3, and the air outlet of gas collecting box 8 is connected in engine turbine pressurized machine 9 through rubber hose 3.
Preferably, first air prefilter 41 and second air prefilter 42 are fixed on the covering upper sealing plate by air prefilter fixing bolt 5.
Preferably, the first primary air filter cleaner 11 and the second primary air filter cleaner 12 are fixed on the covering crossbeam through primary air filter cleaner fixing frame 2.
Preferably, gas collecting box 8 is fixed on the covering crossbeam through gas collecting box fixing frame 6 and gas collecting box fixing bolt 7.
Preferably, the connection of rubber hose 3 all is locked on the hard tube through T type anchor ear.
Engine aspirating system adopts first air prefilter 41 and 11 series connection of the first primary air filter cleaner; Second air prefilter 42 and 12 series connection of the second primary air filter cleaner; Be parallel to the form of gas collecting box 8 again; Two parallel branches are connected to two suction ports on the gas collecting box 8 through rubber hose 3, through rubber hose 3 fresh air are sent into the gas compressor entry end of engine turbine pressurized machine 9 by the outlet of gas collecting box 8 behind high velocity air voltage stabilizing in gas collecting box 8, the noise reduction, accomplish air inlet work.
Claims (4)
1. large hydraulic digger engine gas handling system; Comprise first air prefilter (41), the first primary air filter cleaner (11), rubber hose (9), engine turbine pressurized machine (10); First air prefilter (41) is connected with the first primary air filter cleaner (11) through rubber hose (3); It is characterized in that; Also comprise second air prefilter (42), the second primary air filter cleaner (12) and gas collecting box (8); Second air prefilter (42) is connected with the second primary air filter cleaner (12) through rubber hose (3), and the first primary air filter cleaner (11) and the second primary air filter cleaner (12) are connected to two suction ports of gas collecting box (8) through rubber hose (3), and the air outlet of gas collecting box (8) is connected in engine turbine pressurized machine (9) through rubber hose (3).
2. a kind of large hydraulic digger engine gas handling system according to claim 1; It is characterized in that described first air prefilter (41) and second air prefilter (42) are fixed on the covering upper sealing plate by air prefilter fixing bolt (5).
3. a kind of large hydraulic digger engine gas handling system according to claim 1; It is characterized in that the described first primary air filter cleaner (11) and the second primary air filter cleaner (12) are fixed on the covering crossbeam through primary air filter cleaner fixing frame (2).
4. a kind of large hydraulic digger engine gas handling system according to claim 1 is characterized in that described gas collecting box (8) is fixed on the covering crossbeam through gas collecting box fixing frame (6) and gas collecting box fixing bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202139699U CN202117812U (en) | 2011-06-23 | 2011-06-23 | Engine intake system of large-sized hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202139699U CN202117812U (en) | 2011-06-23 | 2011-06-23 | Engine intake system of large-sized hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202117812U true CN202117812U (en) | 2012-01-18 |
Family
ID=45458884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202139699U Expired - Fee Related CN202117812U (en) | 2011-06-23 | 2011-06-23 | Engine intake system of large-sized hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202117812U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527357A (en) * | 2013-10-18 | 2014-01-22 | 无锡动力工程股份有限公司 | Air intake pipeline structure for double-line engine |
| CN110469435A (en) * | 2019-09-12 | 2019-11-19 | 中国北方车辆研究所 | Testable armored vehicle air cleaner |
| US10837413B2 (en) | 2018-06-26 | 2020-11-17 | Caterpillar Inc. | Air delivery system for an engine |
| CN112879187A (en) * | 2019-11-29 | 2021-06-01 | 柳州柳工挖掘机有限公司 | Air filtering system of excavator |
-
2011
- 2011-06-23 CN CN2011202139699U patent/CN202117812U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527357A (en) * | 2013-10-18 | 2014-01-22 | 无锡动力工程股份有限公司 | Air intake pipeline structure for double-line engine |
| US10837413B2 (en) | 2018-06-26 | 2020-11-17 | Caterpillar Inc. | Air delivery system for an engine |
| CN110469435A (en) * | 2019-09-12 | 2019-11-19 | 中国北方车辆研究所 | Testable armored vehicle air cleaner |
| CN112879187A (en) * | 2019-11-29 | 2021-06-01 | 柳州柳工挖掘机有限公司 | Air filtering system of excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180426 Address after: 221000 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Xuzhou Xugong Mining Machinery Co., Ltd. Address before: 221000 No. 28, East Ring Industrial Park, Xuzhou Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG Excavator Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20180623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |