CN203906300U - Self-cooling double-oil tank roots blower - Google Patents
Self-cooling double-oil tank roots blower Download PDFInfo
- Publication number
- CN203906300U CN203906300U CN201420277251.XU CN201420277251U CN203906300U CN 203906300 U CN203906300 U CN 203906300U CN 201420277251 U CN201420277251 U CN 201420277251U CN 203906300 U CN203906300 U CN 203906300U
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- impeller shaft
- end cap
- driven
- oil tank
- left end
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Abstract
The utility model discloses a self-cooling double-oil tank roots blower which comprises a cylinder body, a left end cover, a right end cover, a main oil tank, an auxiliary oil tank, a driving impeller shaft and a driven impeller shaft; the left end cover and the right end cover are arranged on the two sides of the cylinder body; the main oil tank is arranged on the left end cover; the auxiliary oil tank is arranged on the right end cover; the driving impeller shaft and the driven impeller shaft are positioned through a gear pair arranged inside the main oil tank; the driving impeller shaft and the driven impeller shaft are supported by double-row ball bearings and a cylindrical roller bearing; the driving impeller shaft and the driven impeller shaft are respectively provided with oil seals at the end of the left end cover in a circling manner, and are respectively provided with oil seals at the end of the right end cover in a circling manner, and air decompression grooves are formed between the air cavity inside the cylinder body and the oil seals; the driving impeller shaft penetrates through the auxiliary oil tank, and a driving oil slinger and a driven oil slinger are respectively arranged on the driving impeller shaft and the driven impeller shaft inside the auxiliary oil tank. The self-cooling double-oil tank roots blower provided by the utility model is excellent in radiating performance, and the service life of the blower is prolonged.
Description
Technical field
The utility model relates to a kind of blast apparatus, is specifically related to a kind of from cooling pair of fuel tank Roots blower.
Background technique
Roots blower is used for carrying medium under normal temperature (≤40 ℃) air-suction state, is widely used in the industrial fields such as environmental protection, electric power, oil, chemical industry, grain conveying.Common roots blower one step bearing adopts oil lubrication, and the other end adopts grease lubrication, when induced pressure surpasses 0.08MPa, along with the rising of exhaust pressure, Exhaust temperature rise, General Requirements increases water cooling system, to reduce fan bearing temperature, extend bearing life.But adopt the bearing life of grease lubrication and bearing capacity to be significantly less than the bearing that adopts oil lubrication, blower fan adopts water cooling system also can cause the waste of water resources.Therefore, the Roots blower of prior art is not suitable for high-temperature situation.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above, and provides a kind of from cooling pair of fuel tank Roots blower.
The technological scheme that the utility model is taked is:
From a cooling pair of fuel tank Roots blower, comprise cylinder body, be located at cylinder body both sides left end cap and right end cap, be located at main fuel tank on left end cap, be located at drop tank on right end cap, initiatively impeller shaft, driven impeller shaft; Described active impeller shaft and driven impeller shaft are located by being located at main fuel tank internal gear pair, and initiatively impeller shaft and driven impeller shaft support by the roller bearing that is located at the double grate ball bearing in left end cap and be located in right end cap end respectively; Described active impeller shaft and driven impeller shaft are equipped with respectively oil sealing at left end cap end, and initiatively impeller shaft and driven impeller shaft are equipped with respectively oil sealing at right end cap end, are provided with air pressure relief groove between the air cavity in cylinder body and oil sealing; Described active impeller shaft is through drop tank, is positioned on the active impeller shaft of drop tank and driven impeller shaft and is respectively equipped with initiatively disc and driven disc.
Described active impeller shaft and driven impeller shaft are respectively equipped with axle sleeve between gear pair and double grate ball bearing.
Described double grate ball bearing is fixed by bearing plate and left end cap.
Two intermeshing gears of described gear pair are connected with driven impeller shaft with active impeller shaft respectively by gear pressing plate.
Described left end cap and right end cap are fixed by locating stud and cylinder body respectively.
The utility model is when cooling pair of fuel tank Roots blower operation, and drop tank, by automatically getting rid of oil cooling but, is respectively arranged with driving and driven disc on the driving and driven impeller shaft of drive end, during vane rotary, oil is thrown up to Cooling and Lubricator bearing from drop tank the inside.And at main fuel tank, during gear rotation, automatically get rid of oil cooling but.
Compared to the prior art, the beneficial effects of the utility model:
Perfect heat-dissipating from cooling pair of fuel tank Roots blower of the present utility model has adopted air pressure relief groove structure in cylinder body between air cavity and oil sealing, prevent that the pressurized air in cylinder body from directly impacting oil sealing, has improved the working life of oil sealing, has protected fuel tank.Bearings at both ends all adopts splash oil lubrication, has improved the lubricating condition of fan bearing, has extended bearing life, make Roots blower be applicable to high pressure operation, do not need to adopt water cooling, greatly reduce the operating cost of blower fan, improved the whole service life of blower fan.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation from cooling pair of fuel tank Roots blower of the utility model.
In Fig. 1,1-cylinder body, 2-left end cap, 3-right end cap, 4-main fuel tank, 5-drop tank, 6-is impeller shaft initiatively, the driven impeller shaft of 7-, 8-gear pair, 9-double grate ball bearing, 10-roller bearing, 11-air pressure relief groove, 12-oil sealing, 13-axle sleeve, 14-bearing plate, 15-gear pressing plate, 16-is disc initiatively, the driven disc of 17-, 18-locating stud.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described further.
As shown in Figure 1, a kind of from cooling pair of fuel tank Roots blower, comprise cylinder body 1, be located at cylinder body both sides left end cap 2 and right end cap 3, be located at main fuel tank 4 on left end cap 2, be located at drop tank 5 on right end cap 3, initiatively impeller shaft 6, driven impeller shaft 7, described left end cap 2 and right end cap 3 are fixing with cylinder body 1 by locating stud 18 respectively; In described main fuel tank 4, be provided with the gear pair 8 that two intermeshing gears form, described active impeller shaft 6 and driven impeller shaft 7 are located by gear pair 8, and initiatively impeller shaft 6 and driven impeller shaft 7 adopt the gear of gear pair 8 to get rid of oil lubrication; Initiatively impeller shaft 6 and driven impeller shaft 7 are respectively by being located at the double grate ball bearing 9 in left end cap 2 and being located at roller bearing 10 supportings in right end cap end 3, and initiatively impeller shaft 6 and driven impeller shaft 7 are respectively equipped with axle sleeve 13 between gear pair 8 and double grate ball bearing 9; Described active impeller shaft 6 and driven impeller shaft 7 are equipped with respectively oil sealing 12 at left end cap 2 ends and are used for preventing leakage of oil, between the air cavity in cylinder body and oil sealing 12, are provided with air pressure relief groove 11; Initiatively impeller shaft 6 and driven impeller shaft 7 are equipped with respectively oil sealing 12 at right end cap 3 ends and are used for preventing leakage of oil, between the air cavity in cylinder body and oil sealing 12, are provided with air pressure relief groove 11; Air pressure relief groove 11 prevents that the pressurized air in cylinder body 1 from directly impacting oil sealing 12, has improved the working life of oil sealing 12, has protected major and minor fuel tank; Described active impeller shaft 6 is through drop tank 5, is positioned on the active impeller shaft 6 of drop tank 5 and driven impeller shaft 7, to be respectively equipped with initiatively disc 16 and driven disc 17 and to get rid of oil lubrication.
Described double grate ball bearing 9 is fixing with left end cap 2 by bearing plate 14.
Two intermeshing gears of described gear pair 8 are connected with driven impeller shaft 7 with active impeller shaft 6 respectively by gear pressing plate 15.
The utility model is when cooling pair of fuel tank Roots blower operation, and drop tank, by automatically getting rid of oil cooling but, is respectively arranged with driving and driven disc on the driving and driven impeller shaft of drive end, during vane rotary, oil is thrown up to Cooling and Lubricator bearing from drop tank the inside.And at main fuel tank, during gear rotation, automatically get rid of oil cooling but.
Claims (5)
1. from a cooling pair of fuel tank Roots blower, it is characterized in that comprising cylinder body, be located at cylinder body both sides left end cap and right end cap, be located at main fuel tank on left end cap, be located at drop tank on right end cap, initiatively impeller shaft, driven impeller shaft; Described active impeller shaft and driven impeller shaft are located by being located at main fuel tank internal gear pair, and initiatively impeller shaft and driven impeller shaft support by the roller bearing that is located at the double grate ball bearing in left end cap and be located in right end cap end respectively; Described active impeller shaft and driven impeller shaft are equipped with respectively oil sealing at left end cap end, and initiatively impeller shaft and driven impeller shaft are equipped with respectively oil sealing at right end cap end, are provided with air pressure relief groove between the air cavity in cylinder body and oil sealing; Described active impeller shaft is through drop tank, is positioned on the active impeller shaft of drop tank and driven impeller shaft and is respectively equipped with initiatively disc and driven disc.
2. according to claim 1 from cooling pair of fuel tank Roots blower, it is characterized in that described active impeller shaft and driven impeller shaft are respectively equipped with axle sleeve between gear pair and double grate ball bearing.
3. according to claim 1 from cooling pair of fuel tank Roots blower, the double grate ball bearing described in it is characterized in that is fixed by bearing plate and left end cap.
4. according to claim 1 from cooling pair of fuel tank Roots blower, it is characterized in that two intermeshing gears of described gear pair are connected with driven impeller shaft with active impeller shaft respectively by gear pressing plate.
5. according to claim 1 from cooling pair of fuel tank Roots blower, left end cap and right end cap described in it is characterized in that are fixed by locating stud and cylinder body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277251.XU CN203906300U (en) | 2014-05-27 | 2014-05-27 | Self-cooling double-oil tank roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277251.XU CN203906300U (en) | 2014-05-27 | 2014-05-27 | Self-cooling double-oil tank roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906300U true CN203906300U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277251.XU Active CN203906300U (en) | 2014-05-27 | 2014-05-27 | Self-cooling double-oil tank roots blower |
Country Status (1)
| Country | Link |
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| CN (1) | CN203906300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226040A (en) * | 2017-10-30 | 2020-06-02 | 株式会社爱发科 | Vacuum pump |
| CN112524036A (en) * | 2020-12-04 | 2021-03-19 | 江苏名业机械科技有限公司 | Lubricated double oil tank structure of roots blower |
| CN113606322A (en) * | 2021-08-10 | 2021-11-05 | 内蒙古第一机械集团股份有限公司 | Self-lubricating structure suitable for narrow appearance chamber gear drive case |
-
2014
- 2014-05-27 CN CN201420277251.XU patent/CN203906300U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226040A (en) * | 2017-10-30 | 2020-06-02 | 株式会社爱发科 | Vacuum pump |
| CN111226040B (en) * | 2017-10-30 | 2020-11-03 | 株式会社爱发科 | Vacuum pump |
| CN112524036A (en) * | 2020-12-04 | 2021-03-19 | 江苏名业机械科技有限公司 | Lubricated double oil tank structure of roots blower |
| CN113606322A (en) * | 2021-08-10 | 2021-11-05 | 内蒙古第一机械集团股份有限公司 | Self-lubricating structure suitable for narrow appearance chamber gear drive case |
| CN113606322B (en) * | 2021-08-10 | 2023-10-03 | 内蒙古第一机械集团股份有限公司 | Self-lubricating structure suitable for narrow-cavity gear box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |