CN210599408U - Closed two-stage screw air compressor - Google Patents
Closed two-stage screw air compressor Download PDFInfo
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- CN210599408U CN210599408U CN201921597432.XU CN201921597432U CN210599408U CN 210599408 U CN210599408 U CN 210599408U CN 201921597432 U CN201921597432 U CN 201921597432U CN 210599408 U CN210599408 U CN 210599408U
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- shell
- mounting cavity
- air compressor
- casing
- collecting tank
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 32
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a closed doublestage screw compressor, including first casing A and second casing B, first casing A and second casing B set up the same, second casing B installs on the bottom plate, first casing A and second casing B all include a main casing body, the air flue is all installed in the main casing body outside, second installation cavity is connected to the one end of the main casing body, first installation cavity is connected to the other end, be equipped with two intermeshing's air compressor machine screw rod in main casing body inside, the pivot is all connected at the both ends of air compressor machine screw rod, the pivot runs through at the both ends of the main casing body and extends first installation cavity, in the second installation cavity, the bearing is all installed at the both ends of pivot, the bearing is installed respectively in the bearing cassette, the bearing cassette is all connected on the main casing body. The utility model discloses not only can play lubricated function, can also play radiating effect simultaneously, under long-time operating condition, let air compressor machine job stabilization.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to a closed doublestage screw compressor machine.
Background
An air compressor is a device for compressing gas, and is a device for converting mechanical energy of a motive power (usually a motor) into gas pressure energy. The air compressor usually works for a long time, the working strength is high, all parts are abraded in the rotating process, lubricating oil is coated on a bearing part in the traditional mode, but the lubricating effect is not ideal, and the abrasion is accelerated; in addition, screws of the air compressor in the air compressor are meshed with each other to rotate, heat can be generated, and heat cannot be dissipated timely.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a closed double-stage screw air compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a closed two-stage screw air compressor is designed, and comprises a first shell A and a second shell B, wherein the first shell A and the second shell B are arranged identically, the second shell B is installed on a bottom plate, the first shell A and the second shell B both comprise a main shell, air passages are installed on the outer side of the main shell, one end of the main shell is connected with a second installation cavity, the other end of the main shell is connected with a first installation cavity, two mutually meshed air compressor screw rods are arranged inside the main shell, two ends of each air compressor screw rod are both connected with a rotating shaft, the rotating shafts penetrate through two ends of the main shell and extend into the first installation cavity and the second installation cavity, bearings are installed at two ends of each rotating shaft, the bearings are respectively installed in bearing clamping seats, and the bearing clamping seats;
gears are mounted at the end parts of the rotating shafts in the first mounting cavity, the two gears are meshed with each other, one of the rotating shafts penetrates through the first mounting cavity to extend to the outer side and is connected with a driving motor, the driving motor is mounted on a bottom plate, an oil collecting tank and a circulating pump are further mounted on the bottom plate, the inlet of the circulating pump is communicated with the oil collecting tank, and the outlet of the circulating pump is communicated with the first mounting cavity, the outlet of the oil collecting tank is communicated with the second mounting cavity, and the second mounting cavity is communicated with the first mounting cavity through oil guide pipes; lubricating oil is arranged in the oil collecting tank;
and a plurality of second radiating fins which are arranged in parallel at intervals are arranged at both ends of the main shell.
Preferably, the rotating shaft and the main shell are hermetically mounted, and the rotating shaft and the first mounting cavity are hermetically mounted.
Preferably, the edges of the main housing, the main housing and the first mounting cavity are provided with outwardly extending flanges, and the first housing a and the second housing B are stacked on each other and fastened by bolts.
Preferably, the oil collecting tank is a metal tank body, the side surface of the oil collecting tank is connected with a plurality of first radiating fins which are arranged in parallel, a C-shaped fixing frame is arranged on the outer side of each first radiating fin, each first radiating fin is located inside the C-shaped fixing frame, two ends of each C-shaped fixing frame are fixedly connected with the side surface of the oil collecting tank, and a plurality of exhaust fans are mounted on the C-shaped fixing frames.
When the closed two-stage screw air compressor provided by the utility model is used, the circulating pump drives the lubricating oil of the oil collecting tank to circulate among the oil collecting tank, the second mounting cavity and the first mounting cavity in sequence, and the lubricating oil is directly contacted with the gear and the bearing to lubricate the gear and the bearing; the lubricating oil is contacted with the second radiating fin, so that the heat in the main shell is transferred into the lubricating oil through the second radiating fin to be radiated. The utility model discloses not only can play lubricated function, can also play radiating effect simultaneously, under long-time operating condition, let air compressor machine job stabilization.
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 closed doublestage screw compressor's schematic structure diagram.
Fig. 2 is the utility model provides a closed doublestage screw air compressor's overlook schematic structure.
Labeled as: the air compressor comprises a bottom plate 1, a C-shaped fixing frame 2, an exhaust fan 3, a flange 4, a circulating pump 5, a first mounting cavity 6, a rotating shaft 7, a driving motor 8, a gear 9, an air compressor screw 10, a second mounting cavity 11, an air flue 12, a first radiating fin 13, an oil collecting tank 14, a bearing clamping seat 15, a main shell 16, a bearing 17, a second radiating fin 18 and an oil guide pipe 19.
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 closed two-stage screw air compressor, as shown in fig. 1, includes a first casing a and a second casing B, the first casing a and the second casing B are arranged the same, the second casing B is installed on a bottom plate 1, the first casing a and the second casing B each include a main casing 16, air passages 12 are installed outside the main casing 16, one of the air passages 12 is an air inlet, and the other air passage 12 is an air outlet;
as shown in fig. 1 and 2, one end of the main housing 16 is connected to the second mounting cavity 11, the other end is connected to the first mounting cavity 6, two mutually engaged air compressor screws 10 are arranged inside the main housing 16, both ends of the air compressor screws 10 are connected to the rotating shaft 7, the rotating shaft 7 penetrates through both ends of the main housing 16 and extends into the first mounting cavity 6 and the second mounting cavity 11, both ends of the rotating shaft 7 are respectively provided with a bearing 17, the bearings 17 are respectively mounted in bearing clamping seats 15, and the bearing clamping seats 15 are both connected to the main housing 16;
the gear 9 is installed to 7 tip of pivot that are located in the first installation cavity 6, two gear 9 intermeshing, and one of them pivot 7 runs through and extends the outside at first installation cavity 6 and be connected with driving motor 8, and driving motor 8 installs on bottom plate 1. In the utility model, when the driving motor 8 rotates, the rotating shaft 7 is driven to rotate, and due to the mutual meshing of the two gears 9, the two air compressor screws 10 are driven to rotate, so that air is driven to enter the shell from one air passage 12, and compressed air is discharged from the other air passage 12;
the bottom plate 1 is also provided with an oil collecting tank 14 and a circulating pump 5, the inlet of the circulating pump 5 is communicated with the oil collecting tank 14, and the outlet of the circulating pump 5 is communicated with the first mounting cavity 6, the outlet of the oil collecting tank 14 is communicated with the second mounting cavity 11, and the second mounting cavity 11 is communicated with the first mounting cavity 6 through oil guide pipes 19; lubricating oil is arranged in the oil collecting tank 14;
specifically, when the utility model is used, the circulating pump 5 is started to drive the lubricating oil in the oil collecting tank 14 to circulate among the oil collecting tank 14, the second mounting cavity 11 and the first mounting cavity 6 in sequence, and the lubricating oil is directly contacted with the gear 9 and the bearing 17 to lubricate the gear 9 and the bearing 17;
a plurality of second cooling fins 18 which are arranged in parallel and at intervals are arranged at both ends of the main shell 16; the lubricating oil entering the second mounting cavity 11 and the first mounting cavity 6 contacts the second heat sink 18, so that the heat in the main housing 16 is transferred into the lubricating oil through the second heat sink 18 to be dissipated.
Further, the rotating shaft 7 is hermetically mounted with the main housing 16, and the rotating shaft 7 is hermetically mounted with the first mounting cavity 6.
Further, as shown in fig. 1, the edges of the main casing 16, the main casing 16 and the first mounting cavity 6 are each provided with an outwardly extending flange 4, and the first casing a and the second casing B are stacked on each other and fastened by bolts.
Further, as shown in fig. 1, the oil collecting tank 14 is a metal box, a plurality of first heat dissipating fins 13 are connected to a side surface of the oil collecting tank 14, the first heat dissipating fins 13 are arranged in parallel, a C-shaped fixing frame 2 is arranged outside the first heat dissipating fins 13, the first heat dissipating fins 13 are located inside the C-shaped fixing frame 2, two ends of the C-shaped fixing frame 2 are connected and fixed to the side surface of the oil collecting tank 14, and a plurality of exhaust fans 3 are mounted on the C-shaped fixing frame 2.
Specifically, when the lubricating oil circulates to the inside of the oil collecting tank 14, the oil temperature can be dissipated through the first heat dissipating fins 13, and the exhaust fan 3 can rapidly dissipate the heat.
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 (4)
1. A closed two-stage screw air compressor comprises a first shell A and a second shell B, wherein the first shell A and the second shell B are arranged identically, the second shell B is arranged on a bottom plate (1), the first shell A and the second shell B both comprise a main shell (16), air passages (12) are arranged on the outer side of the main shell (16), the closed two-stage screw air compressor is characterized in that one end of the main shell (16) is connected with a second installation cavity (11), the other end of the main shell is connected with a first installation cavity (6), two mutually meshed air compressor screws (10) are arranged inside the main shell (16), two ends of each air compressor screw (10) are connected with a rotating shaft (7), the rotating shafts (7) penetrate through two ends of the main shell (16) and extend into the first installation cavity (6) and the second installation cavity (11), bearings (17) are arranged at two ends of each rotating shaft (7), and the bearings (17) are respectively arranged in a clamping seat, the bearing clamping seats (15) are connected to the main shell (16);
gears (9) are mounted at the end parts of the rotating shafts (7) in the first mounting cavity (6), the two gears (9) are meshed with each other, one of the rotating shafts (7) penetrates through the first mounting cavity (6) to extend to the outer side and is connected with a driving motor (8), the driving motor (8) is mounted on the bottom plate (1), an oil collecting tank (14) and a circulating pump (5) are further mounted on the bottom plate (1), an inlet of the circulating pump (5) is communicated with the oil collecting tank (14), an outlet of the circulating pump (5) is communicated with the first mounting cavity (6), an outlet of the oil collecting tank (14) is communicated with the second mounting cavity (11), and the second mounting cavity (11) is communicated with the first mounting cavity (6) through oil guide pipes (19); lubricating oil is arranged in the oil collecting tank (14);
a plurality of second cooling fins (18) which are arranged in parallel and at intervals are arranged at both ends of the main shell (16).
2. The two-stage screw compressor of claim 1, wherein the rotary shaft (7) is hermetically mounted to the main housing (16), and the rotary shaft (7) is hermetically mounted to the first mounting cavity (6).
3. The two-stage screw air compressor of claim 1, wherein the edges of the main casing (16), the main casing (16) and the first mounting cavity (6) are provided with flanges (4) extending outwards, and the first casing a and the second casing B are stacked on each other and fastened by bolts.
4. The two-stage screw compressor of claim 1, characterized in that the oil collecting tank (14) is a metal box, the side of the oil collecting tank (14) is connected with a plurality of first heat dissipating fins (13) arranged in parallel, the outer side of the first heat dissipating fins (13) is provided with a C-shaped fixing frame (2), the first heat dissipating fins (13) are positioned inside the C-shaped fixing frame (2), the two ends of the C-shaped fixing frame (2) are fixedly connected with the side of the oil collecting tank (14), and the C-shaped fixing frame (2) is provided with a plurality of exhaust fans (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597432.XU CN210599408U (en) | 2019-09-25 | 2019-09-25 | Closed two-stage screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597432.XU CN210599408U (en) | 2019-09-25 | 2019-09-25 | Closed two-stage screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599408U true CN210599408U (en) | 2020-05-22 |
Family
ID=70714641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597432.XU Active CN210599408U (en) | 2019-09-25 | 2019-09-25 | Closed two-stage screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599408U (en) |
-
2019
- 2019-09-25 CN CN201921597432.XU patent/CN210599408U/en active Active
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