CN202250713U - Piston-type natural gas compressor - Google Patents
Piston-type natural gas compressor Download PDFInfo
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- CN202250713U CN202250713U CN2011203242589U CN201120324258U CN202250713U CN 202250713 U CN202250713 U CN 202250713U CN 2011203242589 U CN2011203242589 U CN 2011203242589U CN 201120324258 U CN201120324258 U CN 201120324258U CN 202250713 U CN202250713 U CN 202250713U
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- oil
- natural gas
- gas compressor
- type natural
- piston type
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Abstract
The utility model discloses a piston-type natural gas compressor which comprises an oil tank, a lubricating oil duct, a forward lubricating system and a reverse lubricating system, wherein the lubricating oil duct is sequentially communicated with a crankshaft, a connecting rod big end bearing shell, an oil hole at the middle of a connecting rod, a connecting rod small end lining, a crosshead pin, a crosshead and a slideway; the forward lubricating system comprises a first oil circuit which provides lubricating oil for the crankshaft of the lubricating oil duct; and the reverse lubricating system comprises a second oil circuit which provides lubricating oil for each slideway of the lubricating oil duct. According to the utility model, in the piston-type natural gas compressor, the forward lubrication and reverse lubrication are applied simultaneously, the path of the lubricating oil in the lubricating oil duct is shortened, the lubricating oil overflows from surfaces of all friction pairs, and the full lubrication of a transmission mechanism of the natrural gas compressor is ensured.
Description
Technical field
The utility model relates to a kind of piston type natural gas compressor, relates in particular to the improved piston type natural gas compressor of lubricating system.
Background technique
Natural gas compressor is generally multistage multiple row structure, and two row level Four are the most common.Fig. 1 is the structure principle chart of two row level Four piston type natural gas compressors of existing technology.As shown in Figure 1, driving machine 11 drives flywheel 12, bent axle 13 is done rotation and rotated, and bent axle 13 is drivening rod parts 14 again; Make the piston 17 in crosshead parts 15 and the cylinder 16 reciprocatingly move; Suction valve 18 air inlets that are communicated with inlet air source, after piston 17 compressions, outlet valve 19 exhausts; And the cylinder that is delivered to opposite side compresses natural gas compressor exhaust then.
In piston type natural gas compressor working procedure, crankshaft main journal is equipped with bearing and need lubricates, and crank pin and big end bearing shell need lubricate, and crosshead pin and lining of connecting rod small end need lubricate, and crosshead and slideway need lubricate.The structures shape of piston type natural gas compressor need lubricated position more, if lubrication effect is not good, these component can produce mechanical friction even locking, gently then cause damage of product, and are heavy then cause serious accident.
The natural gas compressor lubricating system of existing technology divides forward lubricating system and reverse-lubricating mode.
The forward lubricating system is as shown in Figure 2; Lubricant oil gets into big end bearing shell 141 from bent axle 13; Get into lining of connecting rod small end 142 through the oilhole in the middle of the connecting rod, get into crosshead 152 by crosshead pin 151 again, last lubricant oil flows between slideway 153 and the crosshead from crosshead 152 surfaces; Form oil leab 10, unnecessary lubricant oil flows back to the fuselage oil sump.
The reverse-lubricating mode is as shown in Figure 3, and the flow direction of lubricant oil is compared with forward is lubricated, and the position elder generation fuel feeding that the initial fuel feeding point of reverse-lubricating need lubricate for many places is better than forward lubrication effect to a certain extent.Yet,, treat that respectively the lubricant housings still exists lubricated inadequate hidden danger because the oil leab path is longer.
The model utility content
The purpose of the utility model is to provide a kind of piston type natural gas compressor that makes driving mechanism obtain sufficient lubrication.
For this reason; The utility model provides a kind of piston type natural gas compressor; Comprise oil sump and be communicated with the oil leab of oilhole, lining of connecting rod small end, crosshead pin, crosshead and slideway in the middle of the bent axle, big end bearing shell, connecting rod in order, also comprise forward lubrication system and reverse-lubricating system, wherein; The forward lubrication system comprises that the bent axle to oil leab provides first oil circuit of lubricant oil, and the reverse-lubricating system comprises that each slideway to oil leab provides second oil circuit of lubricant oil.
Further, above-mentioned first oil circuit is provided with first oil pump, and second oil circuit is provided with second oil pump.
Further, the shared same oil pump of above-mentioned first oil circuit and second oil circuit.
Further, above-mentioned first oil circuit and second oil circuit are connected in parallel on the oil feeding line, and oil feeding line is provided with oil cooler.
Further, above-mentioned oil sump is arranged on the below of oil leab, and the downward projection zone in the horizontal plane of oil leab is positioned at the zone of oil sump.
Further, above-mentioned piston type natural gas compressor is two row level Four formula natural gas compressors.
Further, above-mentioned first oil circuit has first setting pressure and first and sets flow, and second oil circuit has second setting pressure and second and sets flow.
In the piston type natural gas compressor of the utility model; Use simultaneously with reverse-lubricating forward is lubricated; The path contraction that lubricant oil is passed by in oil leab, lubricant oil can overflow from the surface of all friction pairs, has guaranteed that the driving mechanism of natural gas compressor is fully lubricated.
Except top described purpose, characteristic and advantage, other purpose, characteristic and the advantage that the utlity model has are with combining accompanying drawing to do further detailed explanation.
Description of drawings
Constitute the preferred embodiment that the part of this specification, the accompanying drawing that is used for further understanding the utility model show the utility model, and be used for explaining the principle of the utility model with specification.Among the figure:
Fig. 1 is the schematic diagram of two row level Four piston type natural gas compressors of existing technology;
Fig. 2 is the lubricated schematic representation of forward of the natural gas compressor of existing technology;
Fig. 3 is the reverse-lubricating schematic representation of the natural gas compressor of existing technology;
Fig. 4 is the schematic representation of two-way lubrication system of the natural gas compressor of the utility model; And
Fig. 5 is the work schematic representation of the natural gas compressor with two-way lubrication system of the utility model.
Description of reference numerals
20 forward lubrication systems, 30 reverse-lubricating systems
10 oil leabs, 11 driving machines
12 flywheels, 13 bent axles
21 first oil circuits, 31 second oil circuits
141 big end bearing shells, 14 connecting rods
142 lining of connecting rod small end, 151 crosshead pins
152 crossheads, 153 slideways
16 cylinders, 17 pistons
16a filler 22 oil pumps
23 motors, 32 oil pumps
33 motors, 40 oil sumps
51 oil feeding lines, 53 oil pumps
55 oil coolers.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 4 is the schematic representation of two-way lubrication system of the piston type natural gas compressor of the utility model.As shown in Figure 4; Two-way lubrication system comprises forward lubrication system 20 and reverse-lubricating system 30; Wherein, Forward lubrication system 20 comprises that the bent axle 13 to oil leab 10 provides first oil circuit 21 of lubricant oil, and said reverse-lubricating system 30 comprises that each slideway 153 to said oil leab 10 provides second oil circuit 31 of lubricant oil.
Wherein, oilhole, lining of connecting rod small end 142, crosshead pin 151, crosshead 152 and the slideway 153 in the middle of bent axle 13, big end bearing shell 141, the connecting rod 14 is communicated with formation oil leab 10 in order.It is pointed out that then oil leab 10 has branch because connecting rod 14 has two to a plurality of, each connecting rod 14 corresponding branch, then second oil circuit 31 is made up of many branch roads arranged side by side.
On first oil circuit 21, be provided with an oil pump 22, oil pump 22 is driven by motor 23.On second oil circuit 31, an oil pump 32 also is set, oil pump 32 is driven by another motor 33.
The lubricant oil that first oil circuit 21 provides is through bent axle 13 supplying lubricating oil roads 10; The bearing of crankshaft main journal is then lubricated in the lump; The lubricant oil that second oil circuit 31 provides is through each slideway 153 supplying lubricating oil road 10, and then two-way lubricant oil meets in the position, centre of oil leab, has eliminated lubricated dead angle; Make each parts in the oil leab all can access sufficient lubrication, the unnecessary lubricant oil then gap between parts flows back to the oil sump 40.
Wherein, oil sump 40 is arranged on the below of oil leab 10, and the view field of oil leab in horizontal plane be positioned at the oil sump zone, to collect down the lubricant oil that drips.
Resistance based on lubricant oil forward flow and reverse flow is different, and the oil pressure of above-mentioned first oil circuit and flow are that can be provided with inequality with oil pressure and flow second oil circuit.
Fig. 5 is the work schematic representation of the natural gas compressor with two-way lubrication system of the utility model.As shown in Figure 5; First oil circuit 21 and a plurality of second oil circuits 31 are connected in parallel on the oil feeding line on 51; This oil feeding line 51 is provided with oil pump 53 and oil cooler 55, and this oil cooler 55 cools off when the lubricant oil overtemperature, is operated in the suitable temperature range to guarantee lubricant oil.
It is pointed out that cylinder 16, piston 17, the lubricated of filler 16a are guaranteed by another set of lubrication system.In the piston type natural gas compressor of the utility model; Use simultaneously with reverse-lubricating forward is lubricated; The path contraction that lubricant oil is passed by in oil leab, lubricant oil can overflow from the surface of all friction pairs, has guaranteed that the driving mechanism of natural gas compressor is fully lubricated.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. piston type natural gas compressor; Comprise oil sump (40) and be communicated with the oil leab (10) of oilhole, lining of connecting rod small end (142), crosshead pin (151), crosshead (152) and slideway (153) in the middle of the bent axle (13), big end bearing shell (141), connecting rod (14) in order; It is characterized in that, also comprise:
Forward lubrication system (20) and reverse-lubricating system (30); Wherein, Said forward lubrication system (20) comprises that the bent axle (13) to said oil leab (10) provides first oil circuit (21) of lubricant oil, and said reverse-lubricating system (30) comprises second oil circuit (31) that lubricant oil is provided to each said slideway (153) of said oil leab (10).
2. piston type natural gas compressor according to claim 1 is characterized in that, said first oil circuit (21) is provided with first oil pump (22), and said second oil circuit (31) is provided with second oil pump (32).
3. piston type natural gas compressor according to claim 1 is characterized in that, said first oil circuit (21) and the shared same oil pump of second oil circuit (31) (53).
4. piston type natural gas compressor according to claim 3 is characterized in that, said first oil circuit (21) and second oil circuit (31) are connected in parallel on the oil feeding line (51), and said oil feeding line (51) is provided with oil cooler (55).
5. piston type natural gas compressor according to claim 1 is characterized in that, said oil sump (40) is arranged on the below of said oil leab (10), and the downward projection zone in the horizontal plane of said oil leab (10) is positioned at the zone of said oil sump.
6. piston type natural gas compressor according to claim 1 is characterized in that, said piston type natural gas compressor is two row level Four formula natural gas compressors.
7. piston type natural gas compressor according to claim 1 is characterized in that, said first oil circuit (21) has first setting pressure, and said second oil circuit (31) has second setting pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203242589U CN202250713U (en) | 2011-08-31 | 2011-08-31 | Piston-type natural gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203242589U CN202250713U (en) | 2011-08-31 | 2011-08-31 | Piston-type natural gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250713U true CN202250713U (en) | 2012-05-30 |
Family
ID=46111965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203242589U Expired - Fee Related CN202250713U (en) | 2011-08-31 | 2011-08-31 | Piston-type natural gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250713U (en) |
-
2011
- 2011-08-31 CN CN2011203242589U patent/CN202250713U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WENZHOU RONGDE COMPRESSOR CO., LTD. Free format text: FORMER NAME: WENZHOU RONGDE VALVE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325011 No. 52, Xingping Road, Wenzhou agricultural demonstration area, Zhejiang, China Patentee after: Wenzhou Rong Compressor Co., Ltd. Address before: 325011 No. 52, Xingping Road, Wenzhou agricultural demonstration area, Zhejiang, China Patentee before: Wenzhou Rongde Valve Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20180831 |