CN210599410U - Two-stage screw air compressor with oil-cut-off protection structure - Google Patents
Two-stage screw air compressor with oil-cut-off protection structure Download PDFInfo
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- CN210599410U CN210599410U CN201921597467.3U CN201921597467U CN210599410U CN 210599410 U CN210599410 U CN 210599410U CN 201921597467 U CN201921597467 U CN 201921597467U CN 210599410 U CN210599410 U CN 210599410U
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Abstract
The utility model discloses a two-stage screw air compressor with fuel cut-off protection structure, including first casing and second casing, install two intermeshing's air compressor screw rods in the first casing, the axis of rotation that runs through first casing setting is all connected at the both ends of air compressor screw rod, and the axis of rotation end is located inside the bearing mount pad and through the bearing installation fixed, and one of them axis of rotation runs through the bearing mount pad and connects driving motor, installs the air inlet in the bottom of first casing, and the top surface of second casing is installed the gas outlet, is equipped with fueling injection equipment in the bottom of first casing; the oil injection device comprises an oil storage tank, the top of the oil storage tank penetrates through the first shell and extends to the inside of the first shell and is not in contact with the screw of the air compressor, the oil storage tank and the first shell are fixed in a sealing mode, and oil inlets are formed in two sides of the oil storage tank located inside the first shell. The utility model discloses at the in-process that uses, can be that an oil feed pump is lubricated for the air compressor machine screw rod, long-time use is not worn and torn.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to a doublestage screw compressor machine with fuel cut-off protection architecture.
Background
The air compressor is a general mechanical device which is widely used, because the air compressor needs oil lubrication in the working process, but the structural design of the existing two-stage compression double-screw air compressor can cause that a large amount of lubricating oil still exists in a main engine cavity and a main engine exhaust port pipeline after the two-stage compression double-screw air compressor is stopped, if the two-stage compression double-screw air compressor is started suddenly, the internal lubrication of an engine body is insufficient, and parts between the engine bodies are abraded.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a two-stage screw air compressor with an oil-cut-off protection structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a two-stage screw air compressor with an oil-cut-off protection structure comprises a first shell and a second shell, wherein two mutually meshed air compressor screws are installed in the first shell, two ends of each air compressor screw are connected with a rotating shaft which penetrates through the first shell, the tail end of each rotating shaft is positioned in a bearing mounting seat and is fixedly installed through a bearing, one rotating shaft penetrates through the bearing mounting seat and is connected with a driving motor, an air inlet is installed at the bottom of the first shell, an air outlet is installed at the top surface of the second shell, and an oil injection device is arranged at the bottom of the first shell; the oil injection device comprises an oil storage tank, the top of the oil storage tank penetrates through the first shell and extends into the first shell and is not in contact with the screw of the air compressor, the oil storage tank and the first shell are fixed in a sealing mode, and oil inlets are formed in two sides of the oil storage tank positioned in the first shell; just the fuel sprayer that a plurality of matrixes were arranged is installed at the batch oil tank top, and the fuel feeding pump is installed to one side of batch oil tank, and the fuel feeding pump is installed in first casing bottom, between export and the fuel sprayer of fuel feeding pump and all link to each other through oil pipe between export and the batch oil tank of fuel feeding pump.
Preferably, the first housing is in sealed connection with the rotating shaft.
Preferably, the first housing and the second housing are fastened together by bolts.
Preferably, gears are coaxially mounted at one end of the rotating shaft close to the driving motor, the two gears are meshed with each other, partition plates are arranged in the first shell and the second shell between the gears and the screw rod of the air compressor, and the partition plates are fixedly connected with the inner walls of the first shell and the second shell;
the air inlet is arranged on one side of the bottom of the first shell, which is close to the gear, and the air outlet is arranged on one side of the top surface of the second shell, which is far away from the gear;
be located the air inlet top and be the axis of rotation, and the air compressor machine screw rod is located fueling injection equipment's top, runs through in the inside axis of rotation of first casing and second casing and establish the barrier disc, and the barrier disc passes through sealed bearing with the axis of rotation and links to each other, and the barrier disc is connected inside first casing, and with the second casing between be equipped with the sealing washer, install a plurality of single air inlet valve on the barrier disc.
Preferably, the oil inlet is the bar mouth, all is equipped with the baffle that the slope set up downwards above the oil inlet, and the side of baffle all is connected at the top edge of batch oil tank.
Preferably, the side surface of the oil storage tank is connected with a U-shaped pipeline, two ends of the U-shaped pipeline are fixedly connected with the side surface of the oil storage tank and are communicated with each other, the other end of the U-shaped pipeline extends to the outer side of the first shell, the other end of the U-shaped pipeline is provided with an observation port, and the observation port is sealed and fixed through transparent glass; an oil filling port is arranged at the top of the U-shaped pipeline, and an internal thread of the oil filling port is connected with a sealing plug.
Preferably, the bottom of the oil storage tank is provided with an oil outlet, and the internal thread in the oil outlet is connected with the sealing plug.
The utility model provides a pair of doublestage screw compressor with fuel cut-off protection architecture, when using, open driving motor and drive the air compressor machine screw rod and rotate, open the fuel feeding pump simultaneously and begin the fuel feeding, the fuel sprayer is atomizer to directly spout lubricating oil on the air compressor machine screw rod, can fully lubricate between two pivoted in-process air compressor machine screw rods, and lubricated oil that finishes falls back and gets off to keep in flowing back to the oil storage tank from the oil inlet, realize the recycling. The utility model discloses at the in-process that uses, can be that an oil feed pump is lubricated for the air compressor machine screw rod, long-time use is not worn and torn.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is the utility model provides a twin-stage screw air compressor with fuel cut-off protection architecture's structural schematic.
Fig. 2 is the utility model provides a pair of doublestage screw air compressor with fuel cut-off protection architecture's cross-sectional view.
Labeled as: the device comprises a first shell 1, an air compressor screw 2, an oil injection port 3, an observation port 4, a U-shaped pipeline 5, an oil storage tank 6, a bearing mounting seat 7, a rotating shaft 8, a bearing 9, a gear 10, a second shell 11, an air outlet 12, an air inlet 13, a baffle 14, an oil inlet 15, an oil nozzle 16, an oil supply pump 17, an oil pipe 18, a partition plate 19, an oil discharge port 20, a baffle disc 21 and a single air inlet valve 22.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, a two-stage screw air compressor with a fuel cut-off protection structure comprises a first casing 1 and a second casing 11, wherein two mutually meshed air compressor screws 2 are installed in the first casing 1, two ends of each air compressor screw 2 are connected with a rotating shaft 8 which penetrates through the first casing 1, the tail ends of the rotating shafts 8 are located inside a bearing mounting seat 7 and are fixedly installed through bearings, one rotating shaft 8 penetrates through the bearing mounting seat 7 and is connected with a driving motor (as shown by an arrow in fig. 1, the shaft is used for being connected with the driving motor), an air inlet 13 is installed at the bottom of the first casing 1, and an air outlet 12 is installed on the top surface of the second casing 11; when the driving motor rotates, the screw rod 2 of the air compressor is driven to rotate, so that air enters the machine body from the air inlet 13 and is exhausted from the air outlet 12;
as shown in fig. 2, an oil injection device is provided at the bottom of the first casing 1; the oil injection device comprises an oil storage tank 6, the top of the oil storage tank 6 penetrates through and extends into the first shell 1 and is not in contact with the screw 2 of the air compressor, the oil storage tank 6 and the first shell 1 are fixed in a sealing mode, and oil inlets 15 are formed in two sides of the oil storage tank 6 located in the first shell 1; just the fuel sprayer 16 that a plurality of matrixes were arranged is installed at 6 tops of batch oil tank, and fuel feed pump 17 is installed to one side of batch oil tank 6, and fuel feed pump 17 installs in 1 bottom of first casing, between fuel sprayer 16 and the export of fuel feed pump 17 and all link to each other through oil pipe 18 between fuel feed pump 17's the export and the batch oil tank 6.
Specifically, the utility model discloses when using, open driving motor and drive air compressor machine screw rod 2 and rotate, open fuel feed pump 17 simultaneously and begin the fuel feeding, lubricating oil is from the blowout of fuel sprayer 16, and fuel sprayer 16 is atomizer to directly spout lubricating oil on air compressor machine screw rod 2, can fully lubricate between two pivoted in-process air compressor machine screw rods 2, and lubricated oil that finishes falls back and gets off and preserve in 15 backward flows to batch oil tank 6 from the oil inlet, realize recycling.
Further, the first housing 1 is hermetically connected with the rotating shaft 8.
Furthermore, the first housing 1 and the second housing 11 are fastened together by bolts, so that the disassembly is convenient.
Furthermore, gears 10 are coaxially installed at one ends of the rotating shafts 8 close to the driving motor, the two gears 10 are meshed with each other, the gears 10 can enable power transmission between the two rotating shafts 8, movement between the air compressor screw rods 2 is more stable, partition plates 19 are arranged in the first shell 1 and the second shell 11 between the gears 10 and the air compressor screw rods 2, and the partition plates 19 are fixedly connected with the inner walls of the first shell 1 and the second shell 11;
wherein, the air inlet 13 is arranged at one side of the bottom of the first shell 1 close to the gear 10, and the air outlet 12 is arranged at one side of the top surface of the second shell 11 far away from the gear 10;
as shown in fig. 2, a rotating shaft 8 is located above the air inlet 13, the air compressor screw 2 is located above the oil injection device, air enters from the air inlet 13, as shown in fig. 2, a blocking disc 21 penetrates through the rotating shaft 8 inside the first shell 1 and the second shell 11, the blocking disc 21 is connected with the rotating shaft 8 through a sealing bearing, the blocking disc 21 is connected inside the first shell 1, a sealing ring is arranged between the blocking disc and the second shell 11, a plurality of single air inlet valves 22 are installed on the blocking disc 21, air enters the machine body from the single air inlet valves 22, and the set blocking disc 21 and the single air inlet valves 22 can prevent lubricating oil from leaking. If the machine is stopped for a long time, the oil supply pump can be started firstly to supply oil to the surface of the air compressor screw rod 2, the air compressor screw rod 2 is directly lubricated in the starting process, and the abrasion is greatly reduced.
Further, the oil inlet 15 is a strip-shaped opening, baffle plates 14 which are obliquely and downwardly arranged are arranged above the oil inlet 15, and the side edges of the baffle plates 14 are connected to the top edge of the oil storage tank 6.
Further, a U-shaped pipeline 5 is connected to the side surface of the oil storage tank 6, two ends of the U-shaped pipeline 5 are fixedly connected with the side surface of the oil storage tank 6 and are communicated with each other, the other end of the U-shaped pipeline 5 extends to the outer side of the first shell 1, an observation port 4 is formed in the other end of the U-shaped pipeline 5, and the observation port 4 is sealed and fixed through transparent glass; an oil filling port 3 is arranged at the top of the U-shaped pipeline 5, and the internal thread of the oil filling port 3 is connected with a sealing plug.
Specifically, at the in-process of in-service use, 6 inside oils of batch oil tank add to viewing aperture 4 department can, at the in-process of work, user's accessible viewing aperture 4 observes the in service behavior of the inside lubricating oil of air compressor machine, if reduce 3 oiling of oiling mouths of follow in time.
Further, an oil outlet 20 is formed at the bottom of the oil storage tank 6, and an internal thread in the oil outlet 20 is connected with a sealing plug.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The two-stage screw air compressor with the oil-cut-off protection structure comprises a first shell (1) and a second shell (11), wherein two mutually meshed air compressor screws (2) are installed in the first shell (1), two ends of each air compressor screw (2) are connected with a rotating shaft (8) penetrating through the first shell (1), the tail ends of the rotating shafts (8) are located inside bearing installation seats (7) and are fixedly installed through bearings, one rotating shaft (8) penetrates through the bearing installation seats (7) to be connected with a driving motor, an air inlet (13) is installed at the bottom of the first shell (1), and an air outlet (12) is installed at the top surface of the second shell (11), and is characterized in that an oil injection device is arranged at the bottom of the first shell (1); the oil injection device comprises an oil storage tank (6), the top of the oil storage tank (6) penetrates through and extends into the first shell (1) and is not in contact with the air compressor screw (2), the oil storage tank (6) and the first shell (1) are fixed in a sealing mode, and oil inlets (15) are formed in two sides of the oil storage tank (6) located in the first shell (1); just fuel sprayer (16) that a plurality of matrixes were arranged are installed at fuel reserve tank (6) top, and fuel feed pump (17) are installed to one side of fuel reserve tank (6), and install in first casing (1) bottom fuel feed pump (17), between the export of fuel feed pump (17) and fuel sprayer (16) and all link to each other through oil pipe (18) between the export of fuel feed pump (17) and fuel reserve tank (6).
2. The two-stage screw air compressor with oil-cut-off protection structure as claimed in claim 1, wherein the first casing (1) is hermetically connected with the rotating shaft (8).
3. The two-stage screw air compressor with oil-cut-off protection structure as claimed in claim 1, wherein the first casing (1) and the second casing (11) are fastened together by bolts.
4. The two-stage screw air compressor with the oil-cut-off protection structure is characterized in that gears (10) are coaxially mounted at one end, close to the driving motor, of the rotating shaft (8), the two gears (10) are meshed with each other, partition plates (19) are arranged in the first shell (1) and the second shell (11) between the gears (10) and the screw (2) of the air compressor, and the partition plates (19) are fixedly connected with the inner walls of the first shell (1) and the second shell (11);
the air inlet (13) is arranged on one side of the bottom of the first shell (1) close to the gear (10), and the air outlet (12) is arranged on one side of the top surface of the second shell (11) far away from the gear (10);
be located air inlet (13) top and be axis of rotation (8), and air compressor machine screw rod (2) are located fueling injection equipment's top, run through on axis of rotation (8) of first casing (1) and second casing (11) inside and establish barrier disc (21), barrier disc (21) link to each other through sealed bearing with axis of rotation (8), and barrier disc (21) are connected inside first casing (1), and with be equipped with the sealing washer between second casing (11), install a plurality of single air inlet valve (22) on the barrier disc (21).
5. The two-stage screw air compressor with the oil-cut-off protection structure according to claim 1, wherein the oil inlet (15) is a strip-shaped opening, baffles (14) which are obliquely and downwardly arranged are arranged above the oil inlet (15), and the side edges of the baffles (14) are connected to the top edge of the oil storage tank (6).
6. The two-stage screw air compressor with the oil-cut-off protection structure is characterized in that a U-shaped pipeline (5) is connected to the side face of the oil storage tank (6), two ends of the U-shaped pipeline (5) are fixedly connected with the side face of the oil storage tank (6) and are communicated with each other, the other end of the U-shaped pipeline (5) extends to the outer side of the first shell (1), an observation port (4) is formed in the other end of the U-shaped pipeline (5), and the observation port (4) is sealed and fixed through transparent glass; an oil filling port (3) is arranged at the top of the U-shaped pipeline (5), and the internal thread of the oil filling port (3) is connected with a sealing plug.
7. The two-stage screw air compressor with the oil-break protection structure as claimed in claim 1, wherein the bottom of the oil storage tank (6) is provided with an oil outlet (20), and the internal thread in the oil outlet (20) is connected with a sealing plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597467.3U CN210599410U (en) | 2019-09-25 | 2019-09-25 | Two-stage screw air compressor with oil-cut-off protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597467.3U CN210599410U (en) | 2019-09-25 | 2019-09-25 | Two-stage screw air compressor with oil-cut-off protection structure |
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| Publication Number | Publication Date |
|---|---|
| CN210599410U true CN210599410U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921597467.3U Active CN210599410U (en) | 2019-09-25 | 2019-09-25 | Two-stage screw air compressor with oil-cut-off protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412788A (en) * | 2020-11-20 | 2021-02-26 | 万兹莱压缩机械（上海）有限公司 | Two-stage permanent magnet efficient energy-saving environment-friendly variable frequency air compressor |
-
2019
- 2019-09-25 CN CN201921597467.3U patent/CN210599410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412788A (en) * | 2020-11-20 | 2021-02-26 | 万兹莱压缩机械（上海）有限公司 | Two-stage permanent magnet efficient energy-saving environment-friendly variable frequency air compressor |
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