CN105673458A - Bearing end cover of large-displacement oil-free air compressor for rail transit and use method of bearing end cover - Google Patents
Bearing end cover of large-displacement oil-free air compressor for rail transit and use method of bearing end cover Download PDFInfo
- Publication number
- CN105673458A CN105673458A CN201610215526.0A CN201610215526A CN105673458A CN 105673458 A CN105673458 A CN 105673458A CN 201610215526 A CN201610215526 A CN 201610215526A CN 105673458 A CN105673458 A CN 105673458A
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- China
- Prior art keywords
- joint flange
- air compressor
- bearing end
- spiral case
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
Abstract
The invention provides a bearing end cover of a large-displacement oil-free air compressor for rail transit and a use method of the bearing end cover. The bearing end cover comprises a head connection flange connected with an air compressor head, a volute connection flange connected with a volute of a cooling fan, and an air intake grating, wherein the head connection flange is coaxial with the volute connection flange in a back to back manner; the air intake grating is fixedly arranged between the head connection flange and the volute connection flange and is a conical cylinder-shaped grating surrounded by a plurality of connection ribbed plates; and the central axial line of the conical grating is superposed with that of the head connection flange. The bearing end cover has multiple functions, can be used as a flow collector of the cooling fan and a bearing end cover at the front end of the air compressor head, and can ingeniously connect the air compressor head and the cooling fan coaxially, so that the compactness of an air supply device is greatly improved; and meanwhile, due to the structural design of the air intake grating, a reasonable air intake channel is provided for external cooling air entering the cooling fan, so that the use demand of the oil-free air compressor in a rail transit vehicle is completely met.
Description
Technical field
The present invention relates to a kind of bearing end cap and using method thereof, specifically the bearing end cap of a kind of track traffic huge discharge oilless air compressor and using method thereof.
Background technology
Oilless air compressor group serves a most important effect in track traffic, and oilless air compressor group generally comprises electric motor, air compressor machine head and the cooling blower device for air compressor machine head offer cooling air. It typically is rail vehicle and pneumatic system is provided, operated the stopper of rail vehicle by pneumatic system. Current field of track traffic locomotive needs independent of wind setting, and its installation limited space that can provide, therefore the bearing end cap of the drive end of air compressor machine head is had particular requirement, it is necessary to it realizes multiple function. At present, the function one that bearing end cap has prevents impurity from entering, and another carries out axial location, prevents bearing from moving axially. These of bearing end cap of the prior art act on the service requirements that far can not meet in oilless air compressor in track traffic.
Summary of the invention
It is an object of the invention to provide the bearing end cap of a kind of track traffic huge discharge oilless air compressor and using method thereof, to solve the user demand that existing bearing end cap cannot meet oilless air compressor in rail traffic vehicles due to function singleness.
The present invention is achieved in that
The bearing end cap of a kind of track traffic huge discharge oilless air compressor, comprise: the spiral case joint flange that the head joint flange being connected with air compressor machine head is connected with the spiral case of cooling blower and air-inlet grille, described head joint flange is coaxial and opposing setting with described spiral case joint flange, and described air-inlet grille is fixedly installed between described head joint flange and described spiral case joint flange; Described bearing end cap is integrated casting structure.
The structure of described air-inlet grille surrounds cone tubular grid, the center axis of described circular cone shape grid and the central axes of described head joint flange by multichip connection floor.
Described head joint flange and described spiral case joint flange include cylindrical flange body and ring flange that is one-body molded with described flange body and coaxial setting, the flange body external cylindrical surface that the external cylindrical surface of the ring flange of described head joint flange protrudes from described head joint flange is arranged, and the flange body external cylindrical surface that the external cylindrical surface of the ring flange of described spiral case joint flange protrudes from described spiral case joint flange is arranged.
The axis place, center of described head joint flange and described spiral case joint flange is provided with the revolution shape inner chamber of both ends open.
The inner chamber of described spiral case joint flange is set to taper chamber, and the diameter of one end of the close described head joint flange in taper chamber is greater than its diameter away from one end of described head joint flange.
Described connection floor is projected as rectangle in the disc face of described head joint flange, and the long limit of rectangle is parallel with the radial direction of its place circumference.
A using method for the bearing end cap of track traffic huge discharge oilless air compressor, comprises the steps:
(1) the center axis of bearing end cap is adjusted to and the state of motor main shaft central axes, spiral case joint flange is fixedly installed on spiral case by screw, head joint flange is fixedly installed on air compressor machine head;
(2), after being connected with air compressor machine head by head joint flange, the inner chamber of its inner chamber and air compressor machine head front end is surrounded the bearing chamber for holding front end bearing;
(3) being incorporated in cooling blower by the cooling air in the external world by air-inlet grille, air compressor machine head is cooled by cooling air in the process entering air-inlet grille; The inner chamber of spiral case joint flange is intensively incorporated into the cooling air after air-inlet grille in cooling blower as current collector.
Bearing end cap in the present invention comprises spiral case joint flange and the air-inlet grille that the head joint flange being connected with air compressor machine head is connected with the spiral case of cooling blower, head joint flange is coaxial and opposing setting with spiral case joint flange, the head joint flange of this bearing end cap can as the bearing end cap of head, and its inner chamber can as the bearing chamber of end bearing before head after being connected with air compressor machine head. Cooling air after grid intensively can be incorporated in cooling blower by the inner chamber of spiral case joint flange as current collector. Head joint flange and spiral case are connected method and link together by the design of air-inlet grille, add the functional of bearing end cap, cooling blower and air compressor machine head have been carried out coaxially connecting cleverly by bearing end cap, shorten the axial size of air-compressor set, reduce the overall space of air-compressor set, it is possible to meet the small space in rail traffic vehicles completely; In addition, air-inlet grille defines a wind inlet channel, is being incorporated in the process of cooling blower by the cooling air in the external world to air compressor machine head to have cooled.
The bearing end cap structure design of the present invention is unique, there is multiple function, can simultaneously as the current collector of cooling blower and the bearing end cap of air compressor machine head front end, can connect coaxial for ingenious to air compressor machine head and cooling blower ground again, achieve the integrated design of air supply device in track traffic, greatly improve the compactedness of air supply device, simplify the assembling technique of unit simultaneously. In addition, the structure design of air-inlet grille is that cooled external air enters cooling blower and provides a rational air intake passage, improve cooling blower device to the cooling efficiency of lubricating oil and pressurized air, meet the user demand of oilless air compressor in rail traffic vehicles completely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the left view of the present invention.
Fig. 3 is the scheme of installation that the present invention is arranged in oilless air compressor group.
In figure: 1, head joint flange; 1-1, head joint flange body; 1-2, head joint flange dish; 2, spiral case joint flange; 2-1, spiral case joint flange body; 2-2, spiral case joint flange dish; 3, floor is connected.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the bearing end cap of a kind of track traffic huge discharge oilless air compressor, comprise spiral case joint flange 2 and air-inlet grille that the head joint flange 1 being connected with air compressor machine head is connected with the spiral case of cooling blower, head joint flange 1 is coaxial and opposing setting with spiral case joint flange 2, and air-inlet grille is fixedly installed between head joint flange 1 and spiral case joint flange 2.
Head joint flange 1 and spiral case joint flange 2 include cylindrical flange body and annular flange dish that is one-body molded with flange body and coaxial setting, in the present embodiment, head joint flange 1 comprises head joint flange body 1-1 and head joint flange dish 1-2, and spiral case joint flange 2 comprises spiral case joint flange body 2-1 and spiral case joint flange dish 2-2. The external cylindrical surface that the external cylindrical surface of the ring flange of head joint flange 1 protrudes from the flange body of head joint flange 1 is arranged, the external cylindrical surface that the external cylindrical surface of the ring flange of spiral case joint flange 2 protrudes from spiral case joint flange 2 is arranged, in the present embodiment, the external cylindrical surface of head joint flange dish 1-2 protrudes from the external cylindrical surface of head joint flange body 1-1, and the external cylindrical surface of spiral case joint flange dish 2-2 protrudes from the external cylindrical surface of spiral case joint flange body 2-1. The axis place, center of head joint flange 1 and spiral case joint flange 2 is provided with the revolution shape inner chamber of both ends open. The inner chamber of head joint flange 1 is set to cylindrical, the end of one end of the close air-inlet grille of the inner chamber of head joint flange 1 is provided with annular stop platform, and the inner chamber of head joint flange 1 can as the bearing chamber of air compressor machine head front bearing after being connected with air compressor machine head. Head joint flange dish 1-2 is provided with some through holes and some threaded connection holes, the present embodiment is being provided with 8 through holes and 4 threaded connection holes on head joint flange dish 1-2,8 through holes are evenly circumferentially arranged, 4 threaded connection holes are evenly circumferentially arranged, the circumference at through hole place and the circumference at threaded connection hole place are same circumference, and the internal diameter of the threaded connection hole being arranged on head joint flange dish 1-2 is less than the internal diameter of the through hole being disposed thereon. The inner chamber of spiral case joint flange 2 is set to taper chamber, the diameter of one end of the close head joint flange 1 in taper chamber is greater than its diameter away from one end of head joint flange 1, and the cooling air after air-inlet grille intensively can be incorporated in cooling blower by taper chamber as current collector. Spiral case joint flange dish 2-2 is evenly provided with some through holes, the present embodiment is evenly provided with 8 through holes on spiral case joint flange dish 2-2, and the end face at the end face at the ring flange place of head joint flange 1 and the ring flange place of spiral case joint flange 2 is plane and is oppositely arranged.
As shown in Figure 1, Figure 2 and Figure 3, the structure of air-inlet grille surrounds cone tubular grid, the center axis of circular cone shape grid and the central axes of head joint flange 1 by multichip connection floor 3. It is arranged on spiral case joint flange dish 2-2 each through hole and all it is arranged on two and connect between floors 3, connect floor 3 and be projected as rectangle in the disc face of head joint flange 1, and the long limit of rectangle is parallel with the radial direction of its place circumference. The one end connecting floor 3 is fixedly connected on the end face at ring flange place of head joint flange 1, and its other end is fixedly connected on the end face at ring flange place of spiral case joint flange 2. The excircle of the ring flange of head joint flange 1 is concordant with the minimum diameter of the inner chamber of the ring flange of spiral case joint flange 2. In the present embodiment, bearing end cap comprises 8 and connects floor 2.
Bearing end cap in the present invention is integrated casting structure, and namely head joint flange 1, air-inlet grille and spiral case joint flange 2 are connected as a single entity by casting, and in the present embodiment, mould is along the axis direction die sinking of bearing end cap, only needs two moulds can complete casting.
As shown in Figure 3, the using method of the bearing end cap of a kind of track traffic huge discharge oilless air compressor, comprises the steps:
(1) the center axis of bearing end cap is adjusted to and the state of motor main shaft central axes, spiral case joint flange 2 is fixedly installed on spiral case by screw, head joint flange 1 is fixedly installed on air compressor machine head;
(2), after being connected with air compressor machine head by head joint flange 1, the inner chamber of its inner chamber and air compressor machine head front end is surrounded the bearing chamber for holding front end bearing;
(3) being incorporated in cooling blower by the cooling air in the external world by air-inlet grille, air compressor machine head is cooled by cooling air in the process entering air-inlet grille; The inner chamber of spiral case joint flange 2 is intensively incorporated into the cooling air after air-inlet grille in cooling blower as current collector.
Claims (7)
1. the bearing end cap of a track traffic huge discharge oilless air compressor, it is characterized in that, comprise: the spiral case joint flange that the head joint flange being connected with air compressor machine head is connected with the spiral case of cooling blower and air-inlet grille, described head joint flange is coaxial and opposing setting with described spiral case joint flange, and described air-inlet grille is fixedly installed between described head joint flange and described spiral case joint flange; Described bearing end cap is integrated casting structure.
2. the bearing end cap of track traffic huge discharge oilless air compressor according to claim 1, it is characterized in that, the structure of described air-inlet grille surrounds cone tubular grid, the center axis of described circular cone shape grid and the central axes of described head joint flange by multichip connection floor.
3. the bearing end cap of track traffic huge discharge oilless air compressor according to claim 1, it is characterized in that, described head joint flange and described spiral case joint flange include cylindrical flange body and ring flange that is one-body molded with described flange body and coaxial setting, the flange body external cylindrical surface that the external cylindrical surface of the ring flange of described head joint flange protrudes from described head joint flange is arranged, and the flange body external cylindrical surface that the external cylindrical surface of the ring flange of described spiral case joint flange protrudes from described spiral case joint flange is arranged.
4. the bearing end cap of track traffic huge discharge oilless air compressor according to claim 3, it is characterised in that, the axis place, center of described head joint flange and described spiral case joint flange is provided with the revolution shape inner chamber of both ends open.
5. the bearing end cap of track traffic huge discharge oilless air compressor according to claim 1 or 3, it is characterized in that, the inner chamber of described spiral case joint flange is set to taper chamber, and the diameter of one end of the close described head joint flange in taper chamber is greater than its diameter away from one end of described head joint flange.
6. the bearing end cap of track traffic huge discharge oilless air compressor according to claim 2, it is characterized in that, described connection floor is projected as rectangle in the disc face of described head joint flange, and the long limit of rectangle is parallel with the radial direction of its place circumference.
7. the using method of the bearing end cap of a track traffic huge discharge oilless air compressor, it is characterised in that, comprise the steps:
(1) the center axis of bearing end cap is adjusted to and the state of motor main shaft central axes, spiral case joint flange is fixedly installed on spiral case by screw, head joint flange is fixedly installed on air compressor machine head;
(2), after being connected with air compressor machine head by head joint flange, the inner chamber of its inner chamber and air compressor machine head front end is surrounded the bearing chamber for holding front end bearing;
(3) being incorporated in cooling blower by the cooling air in the external world by air-inlet grille, air compressor machine head is cooled by cooling air in the process entering air-inlet grille; The inner chamber of spiral case joint flange is intensively incorporated into the cooling air after air-inlet grille in cooling blower as current collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215526.0A CN105673458B (en) | 2016-04-08 | 2016-04-08 | The bearing (ball) cover and its application method of rail traffic oilless air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215526.0A CN105673458B (en) | 2016-04-08 | 2016-04-08 | The bearing (ball) cover and its application method of rail traffic oilless air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673458A true CN105673458A (en) | 2016-06-15 |
| CN105673458B CN105673458B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215526.0A Active CN105673458B (en) | 2016-04-08 | 2016-04-08 | The bearing (ball) cover and its application method of rail traffic oilless air compressor |
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| CN (1) | CN105673458B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499008A (en) * | 2021-07-02 | 2022-05-13 | 鑫磊压缩机股份有限公司 | Integrated end cover of air compressor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2348185Y (en) * | 1998-05-18 | 1999-11-10 | 黄民英 | Combined rotary lip seal |
| CN201786669U (en) * | 2010-09-26 | 2011-04-06 | 河北耐力压缩机有限公司 | Air compressor |
| CN201851363U (en) * | 2010-11-19 | 2011-06-01 | 南车资阳机车有限公司 | Large-ejection screw air compressor |
| CN201982298U (en) * | 2011-03-18 | 2011-09-21 | 张润国 | Rotary air compressor of self-lubricating slip sheet |
| CN103807172A (en) * | 2012-11-13 | 2014-05-21 | 陈勇 | Sliding blade type air compressor with compact energy-saving structure |
| CN204267277U (en) * | 2014-12-01 | 2015-04-15 | 李龙 | Integral type water-cooled intelligent frequency-conversion water pump |
| CN205135942U (en) * | 2015-09-21 | 2016-04-06 | 广州东鑫特电机有限公司 | Air compressor machine motor mounting flange |
| CN205578235U (en) * | 2016-04-08 | 2016-09-14 | 石家庄嘉祥精密机械有限公司 | Big discharge capacity oil -free air compressor's of track traffic bearing end plate |
-
2016
- 2016-04-08 CN CN201610215526.0A patent/CN105673458B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2348185Y (en) * | 1998-05-18 | 1999-11-10 | 黄民英 | Combined rotary lip seal |
| CN201786669U (en) * | 2010-09-26 | 2011-04-06 | 河北耐力压缩机有限公司 | Air compressor |
| CN201851363U (en) * | 2010-11-19 | 2011-06-01 | 南车资阳机车有限公司 | Large-ejection screw air compressor |
| CN201982298U (en) * | 2011-03-18 | 2011-09-21 | 张润国 | Rotary air compressor of self-lubricating slip sheet |
| CN103807172A (en) * | 2012-11-13 | 2014-05-21 | 陈勇 | Sliding blade type air compressor with compact energy-saving structure |
| CN204267277U (en) * | 2014-12-01 | 2015-04-15 | 李龙 | Integral type water-cooled intelligent frequency-conversion water pump |
| CN205135942U (en) * | 2015-09-21 | 2016-04-06 | 广州东鑫特电机有限公司 | Air compressor machine motor mounting flange |
| CN205578235U (en) * | 2016-04-08 | 2016-09-14 | 石家庄嘉祥精密机械有限公司 | Big discharge capacity oil -free air compressor's of track traffic bearing end plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499008A (en) * | 2021-07-02 | 2022-05-13 | 鑫磊压缩机股份有限公司 | Integrated end cover of air compressor |
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| CN105673458B (en) | 2018-06-15 |
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