CN211009083U - Vehicle-mounted screw air compressor - Google Patents
Vehicle-mounted screw air compressor Download PDFInfo
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- CN211009083U CN211009083U CN201921721937.2U CN201921721937U CN211009083U CN 211009083 U CN211009083 U CN 211009083U CN 201921721937 U CN201921721937 U CN 201921721937U CN 211009083 U CN211009083 U CN 211009083U
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Abstract
The utility model relates to the technical field of machinery, specifically be an on-vehicle screw compressor machine, the rotor subassembly is including being male rotor and the female rotor of screw rod form and intermeshing, driven gear meshing has the driving gear, the one end of drive shaft is passed the outside that screw compressor machine casing reachd the screw compressor machine casing and is connected the realization drive through shaft coupling and outside power supply, the drive shaft is located the fixed cover of one section of shaft coupling and screw compressor machine casing outside and is equipped with the spiral fan blade. This on-vehicle screw air compressor machine, direct mount are in tractor girder lower part, utilize the rotation that main car gearbox power takeoff drove the air compressor machine to provide efficient air supply power, lie in the spiral fan blade and the fan blade wheel that the both sides of screw air compressor casing set up in the drive shaft, realize two cooling system, effectively reduce the equipment temperature, in order to satisfy the needs to compressed air on the vehicle, have very strong practicality.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be an on-vehicle screw compressor machine.
Background
At present, domestic oil-free screw air compressors basically depend on import, capacity production does not exist, the vehicle-mounted oil-free screw air compressor for providing air source power for powder material transportation tank cars replaces an air source power unit combining a double-cylinder swing rod air compressor with multiple easily damaged parts and poor reliability, and the trend is inevitable. According to statistics: the Japanese screw air compressor accounts for only 27% in 1976, and rises to 85% in 1985, while the market retention rate of the vehicle-mounted screw air compressor in developed western countries is 98%, and the development trend is stable. The vehicle-mounted screw air compressor has the advantages of simple structure, small volume, light weight, no easily damaged parts, reliable work, long service life, simple maintenance and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an on-vehicle screw air compressor machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a vehicle-mounted screw air compressor comprises a screw air compressor shell with a cavity inside, wherein an air inlet and an air outlet which are communicated with an inner cavity of the screw air compressor shell are formed in the screw air compressor shell, a rotor assembly which can enable air to enter the screw air compressor shell is arranged in the screw air compressor shell, an air inlet pipe elbow is connected to the air inlet, an air outlet connecting flange is connected to the air outlet, the screw air compressor shell is cuboid, the air inlet and the air outlet are respectively located on two adjacent side faces of the screw air compressor shell, and an opening of one end, away from the air inlet, of the air inlet pipe elbow is upward;
the rotor subassembly is including being screw rod form and intermeshing's male rotor and female rotor, male rotor and female rotor rotate near the one end of air inlet and peg graft and have set firmly the rotor bearing frame at screw rod air compressor casing inner chamber, the fixed cover of the other end of male rotor is equipped with male rotor gear, male rotor gear meshing has fixed cover to establish the female rotor gear on female rotor, still fixed cover is equipped with the driven gear who is close to each other with female rotor gear on the female rotor, driven gear meshing has the driving gear, the fixed cover of driving gear is established in the drive shaft, the outside that the one end of drive shaft was passed screw rod air compressor casing and is reachd screw rod air compressor casing is connected through shaft coupling and outside power supply and realizes the drive, the drive shaft is located fixed cover and is equipped with the spiral fan blade on one section of shaft coupling.
Preferably, the one end that the inlet duct elbow was kept away from to the screw air compressor casing is connected with on-vehicle screw air compressor rear cover, the screw air compressor casing still overlaps outward to be equipped with the shroud of covering parcel with on-vehicle screw air compressor rear cover.
Preferably, one end of the driving shaft, which is far away from the coupler, penetrates through the rear cover of the vehicle-mounted screw air compressor and is positioned in the cover cap to be connected with a wind impeller which synchronously moves to play a heat dissipation role.
Preferably, the side end face of the cover cap, which is flush with the fan wheel, is provided with a heat dissipation hole.
Preferably, the exhaust port connection flange is mounted on the exhaust pipe base.
Compared with the prior art, the beneficial effects of the utility model are that: the vehicle-mounted screw air compressor is directly arranged at the lower part of a girder of the tractor, and the power take-off of a gearbox of the tractor is utilized to drive the air compressor to rotate, thereby providing high-efficiency air source power, the spiral fan blades and the fan blades are arranged on the driving shaft and positioned on two sides of the shell of the screw air compressor, so that a double cooling system is realized, the temperature of equipment is effectively reduced, the driving shaft rotates to drive the driving gear and the driven gear engaged with the driving gear to rotate, thereby realizing synchronous rotation of the female rotor and the female rotor gear to drive the male rotor gear meshed with the female rotor gear to rotate, thereby realizing the reverse rotation of the male rotor and the female rotor, leading the air to enter the shell of the screw air compressor through the elbow of the air inlet pipe in sequence, simultaneously, the compressed air is discharged from the exhaust pipe seat and the exhaust port connecting flange under the action of the rotor assembly, so that the requirement on compressed air on a vehicle is met, and the rotor assembly has strong practicability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a male rotor 1, a male rotor gear 2, a driven gear 3, a female rotor 4, a wind impeller 5, a rear cover 6 of a vehicle-mounted screw air compressor, a driving gear 7, a screw air compressor shell 8, an exhaust pipe seat 9, a female rotor gear 10, a coupler 11, an air inlet 12, a rotor bearing seat 13, a driving shaft 14, an air inlet pipe elbow 15, a cover 16, an exhaust port connecting flange 17 and a spiral fan blade 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a vehicle-mounted screw air compressor comprises a screw air compressor shell 8 with a cavity inside, wherein an air inlet 12 and an air outlet which are communicated with the inner cavity of the screw air compressor shell 8 are arranged on the screw air compressor shell 8, a rotor assembly which can enable air to enter the screw air compressor shell 8 is arranged in the screw air compressor shell 8, an air inlet pipe elbow 15 is connected to the air inlet 12, an air outlet connecting flange 17 is connected to the air outlet, the air outlet connecting flange 17 is installed on an air outlet pipe seat 9, the screw air compressor shell 8 is cuboid, the air inlet 12 and the air outlet are respectively located on two adjacent side faces of the screw air compressor shell 8, and an opening of one end, far away from the air inlet 12;
the rotor subassembly is including being screw rod form and intermeshing's positive rotor 1 and negative rotor 4, the one end that positive rotor 1 and negative rotor 4 are close to air inlet 12 rotates to peg graft and has set firmly the rotor bearing frame 13 at screw rod air compressor casing 8 cavity, the fixed cover of the other end of positive rotor 1 is equipped with positive rotor gear 2, positive rotor gear 2 meshes has fixed cover to establish negative rotor gear 10 on negative rotor 4, still fixed cover is equipped with the driven gear 3 that is close to each other with negative rotor gear 10 on negative rotor 4, driven gear 3 meshes has driving gear 7, driving gear 7 fixed cover is established on drive shaft 14, the outside that one end of drive shaft 14 passed screw rod air compressor casing 8 and reachd screw rod air compressor casing 8 is connected through shaft coupling 11 and outside power supply and is realized the drive, drive shaft 14 is located the fixed cover and is equipped with spiral fan blade 18 on the section of shaft coupling 11 and screw.
Preferably, one end of the screw air compressor housing 8, which is far away from the air inlet pipe elbow 15, is connected with a rear cover 6 of a vehicle-mounted screw air compressor, a cover 16, which wraps the rear cover 6 of the vehicle-mounted screw air compressor, is further sleeved outside the screw air compressor housing 8, one end of the driving shaft 14, which is far away from the coupler 11, penetrates through the rear cover 6 of the vehicle-mounted screw air compressor and is located in the cover 16, and is connected with a wind impeller 5 which moves synchronously to play a role in heat dissipation, and heat dissipation holes are formed in.
The vehicle-mounted screw air compressor is directly arranged at the lower part of a girder of a tractor, the rotation of the air compressor is driven by utilizing the power of a gearbox of the tractor, so that high-efficiency air source power is provided, a spiral fan blade 18 and a fan blade wheel 5 which are arranged on the driving shaft 14 and positioned at the two sides of a shell 8 of the screw air compressor, a double cooling system is realized, the temperature of equipment is effectively reduced, the driving shaft 14 rotates to drive a driving gear 7 and a driven gear 3 which is meshed with the driving gear 7 to rotate, so that a female rotor 4 and a female rotor gear 10 synchronously rotate, a male rotor gear 2 which is meshed with the female rotor gear 10 is driven to rotate, so that the male rotor 1 and the female rotor 4 reversely rotate, air sequentially enters the shell 8 of the screw air compressor through an air inlet pipe elbow 15, and the compressed air is discharged from an exhaust pipe seat 9 and an exhaust port connecting flange 17, has strong practicability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an on-vehicle screw air compressor, includes that inside is screw air compressor casing (8) of cavity, its characterized in that: the screw air compressor is characterized in that an air inlet (12) and an air outlet which are communicated with an inner cavity of the screw air compressor are formed in the screw air compressor shell (8), a rotor assembly which can enable air to enter the screw air compressor shell (8) is arranged in the screw air compressor shell (8), an air inlet pipe elbow (15) is connected to the air inlet (12), an air outlet connecting flange (17) is connected to the air outlet, the screw air compressor shell (8) is cuboid, the air inlet (12) and the air outlet are respectively located on two adjacent side faces of the screw air compressor shell (8), and an opening of one end, far away from the air inlet (12), of the air inlet pipe elbow (15) is upward;
the rotor subassembly is including being screw rod form and intermeshing's positive rotor (1) and negative rotor (4), positive rotor (1) and negative rotor (4) are close to one end of air inlet (12) and rotate to peg graft and have rotor bearing frame (13) that sets firmly cavity in screw rod air compressor casing (8), the fixed cover of the other end of positive rotor (1) is equipped with positive rotor gear (2), positive rotor gear (2) meshing has fixed cover to establish negative rotor gear (10) on negative rotor (4), it is equipped with driven gear (3) that are close to each other with negative rotor gear (10) still to fix the cover on negative rotor (4), driven gear (3) meshing has driving gear (7), the fixed cover of driving gear (7) is established on drive shaft (14), the one end of drive shaft (14) is passed screw rod air compressor casing (8) and is reachd the outside of screw rod air compressor casing (8) and is connected with outside power supply through shaft coupling (11) and is realized the drive And a section of the driving shaft (14) positioned outside the coupling (11) and the screw air compressor shell (8) is fixedly sleeved with a spiral fan blade (18).
2. The vehicle-mounted screw air compressor of claim 1, wherein: the one end that inlet duct elbow (15) was kept away from in screw air compressor casing (8) is connected with lid (6) behind the on-vehicle screw air compressor machine, screw air compressor casing (8) still overlaps outward and is equipped with shroud (16) of lid (6) parcel behind the on-vehicle screw air compressor machine.
3. The vehicle-mounted screw air compressor of claim 2, characterized in that: one end of the driving shaft (14) far away from the coupler (11) penetrates through the rear cover (6) of the vehicle-mounted screw air compressor and is positioned in the cover (16) to be connected with a wind impeller (5) which moves synchronously and plays a role in heat dissipation.
4. The vehicle-mounted screw air compressor of claim 3, characterized in that: the side end face of the cover cap (16) which is parallel to the wind impeller (5) is provided with a heat dissipation hole.
5. The vehicle-mounted screw air compressor of claim 1, wherein: the exhaust port connecting flange (17) is arranged on the exhaust pipe seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721937.2U CN211009083U (en) | 2019-10-15 | 2019-10-15 | Vehicle-mounted screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721937.2U CN211009083U (en) | 2019-10-15 | 2019-10-15 | Vehicle-mounted screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009083U true CN211009083U (en) | 2020-07-14 |
Family
ID=71476853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721937.2U Active CN211009083U (en) | 2019-10-15 | 2019-10-15 | Vehicle-mounted screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009083U (en) |
-
2019
- 2019-10-15 CN CN201921721937.2U patent/CN211009083U/en active Active
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