CN110630562B - Compressor end cover and compressor having the same - Google Patents
Compressor end cover and compressor having the same Download PDFInfo
- Publication number
- CN110630562B CN110630562B CN201810643952.3A CN201810643952A CN110630562B CN 110630562 B CN110630562 B CN 110630562B CN 201810643952 A CN201810643952 A CN 201810643952A CN 110630562 B CN110630562 B CN 110630562B
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- oil
- compressor
- drain
- end cover
- cavity
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- 239000003921 oil Substances 0.000 claims abstract description 318
- 239000010687 lubricating oil Substances 0.000 claims abstract description 44
- 238000005461 lubrication Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
本发明公开了一种压缩机端盖及具有其的压缩机。其中，压缩机端盖包括用于容纳转轴的至少部分和轴承的容纳腔，容纳腔具有轴承安装面，轴承位于轴承安装面与转轴之间，压缩机端盖还包括：端盖主体，端盖主体具有相对设置的第一端面和第二端面，第一端面用于压设在压缩机主体上；储油部，储油部设置在第一端面上，储油部具有用于存储润滑油的储油腔；供油通道，供油通道的一端与储油腔连通，供油通道的另一端与轴承相接，以使润滑油通过供油通道供给轴承。本发明的压缩机端盖解决了压缩机的应急油系统无法有效供油的技术问题。
The present invention discloses a compressor end cover and a compressor having the same. The compressor end cover includes a receiving cavity for receiving at least part of a rotating shaft and a bearing, the receiving cavity has a bearing mounting surface, the bearing is located between the bearing mounting surface and the rotating shaft, and the compressor end cover also includes: an end cover body, the end cover body has a first end face and a second end face arranged oppositely, the first end face is used to be pressed on the compressor body; an oil storage part, the oil storage part is arranged on the first end face, the oil storage part has an oil storage cavity for storing lubricating oil; an oil supply channel, one end of the oil supply channel is connected to the oil storage cavity, and the other end of the oil supply channel is connected to the bearing, so that the lubricating oil is supplied to the bearing through the oil supply channel. The compressor end cover of the present invention solves the technical problem that the emergency oil system of the compressor cannot effectively supply oil.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor end cover and a compressor with the same.
Background
The bearing of the centrifugal compressor needs to be provided with an emergency oil supply system so as to ensure that the compressor can be safely stopped after the oil system suddenly fails. Currently, emergency oil supply systems are usually provided with an emergency oil tank, in which the lubricating oil is distributed to the individual bearings.
However, the emergency tank requires enough space to accommodate the oil supply to each bearing. The phenomenon of uneven oil distribution easily occurs in the later stage of emergency oil supply, so that the bearing is burnt and even burnt.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a compressor end cover and a compressor with the same, which at least solve the technical problem that an emergency oil system of the compressor cannot supply oil effectively.
According to one aspect of an embodiment of the present invention, there is provided a compressor head cover including a housing chamber for housing at least part of a rotary shaft and a bearing, the housing chamber having a bearing mounting face, the bearing being located between the bearing mounting face and the rotary shaft, the compressor head cover further including a head cover body having a first end face and a second end face disposed opposite to each other, the first end face being for being press-fitted to the compressor body, an oil reservoir portion provided on the first end face, the oil reservoir portion having an oil reservoir chamber for storing lubricating oil, an oil supply passage having one end communicating with the oil reservoir chamber and the other end connected with the bearing so that lubricating oil is supplied to the bearing through the oil supply passage.
Further, the compressor end cover also comprises an oil inlet channel which is communicated with the oil storage cavity so as to convey lubricating oil to the oil storage cavity through the oil inlet channel.
Further, the oil supply channel is arranged on the oil storage part and extends along the radial direction of the end cover of the compressor, and the oil supply channel is communicated with the bottom surface of the oil storage cavity.
Further, the oil inlet channel is arranged on the end cover main body and extends along the axial direction of the end cover main body, and the oil inlet channel is communicated with the top end of the oil storage cavity.
Further, the bottom surface of the oil storage cavity is a concave surface, and the oil supply channel is communicated with the lowest point of the concave surface.
Further, the accommodating cavity is provided with a lubricating oil distribution groove, the lubricating oil distribution groove is an annular groove, one end of the lubricating oil distribution groove is communicated with the oil supply channel, and the other end of the lubricating oil distribution groove is communicated with the throttle hole of the bearing so as to convey lubricating oil between the bearing and the rotating shaft through the lubricating oil distribution groove and the throttle hole.
Further, the axial width of the lubricating oil distribution groove is larger than the diameter of the oil supply passage.
The compressor end cover further comprises an oil drain part, wherein the oil drain part is arranged on the first end face of the end cover main body, the oil drain part and the oil storage part are respectively positioned on two opposite sides of the accommodating cavity, the oil drain part is provided with a first oil drain cavity, the end cover main body is provided with a second oil drain cavity, the first oil drain cavity and the second oil drain cavity form an oil drain cavity, an oil drain port is arranged on the end cover main body, and the oil drain port is communicated with the oil drain cavity, so that lubricating oil is drained through the oil drain port after passing through the oil drain cavity.
Further, the oil drain portion has a first oil return port provided at a side of the oil drain portion remote from the end cap main body so that lubricating oil enters the oil drain chamber through the first oil return port.
Further, the accommodating cavity comprises a first cavity section, a flange is arranged on the second end face of the end cover main body, the first cavity section, the bearing, the rotating shaft and the flange enclose a buffer oil cavity, the oil draining part is provided with a second oil return port, so that the buffer oil cavity is communicated with the oil draining cavity through the second oil return port, and lubricating oil enters the oil draining cavity after passing through the buffer oil cavity.
Further, the oil drainage cavity is provided with a first side wall, a second side wall and a third side wall which are obliquely arranged, the first side wall is arranged at one end of the oil drainage cavity, which is far away from the end cover main body, one end of the second side wall is connected with the first side wall, the other end of the second side wall is arranged towards the bottom surface of the oil drainage cavity, and the third side wall is arranged at one end of the oil drainage cavity, which is close to the end cover main body.
Further, the included angle between the first side wall and the horizontal plane is alpha, alpha is 10-30 degrees, the included angle between the second side wall and the horizontal plane is beta, beta is 30-70 degrees, and the included angle between the third side wall and the horizontal plane is gamma, gamma is 30-70 degrees.
Further, the oil storage part comprises a cover plate, and the cover plate is arranged on the oil storage cavity in a covering manner so as to seal the oil storage cavity.
Further, the top of the oil storage part is provided with an exhaust port, and the exhaust port is communicated with the oil storage cavity so that gas in the oil storage cavity is exhausted through the exhaust port.
According to another aspect of the embodiment of the invention, there is further provided a compressor, including a compressor end cover, a rotating shaft, a bearing, and an oil supply system, the oil supply system including an oil supply portion and an oil return portion, the oil supply portion being connected to an oil inlet channel of the compressor end cover so as to supply oil to the compressor end cover from the oil supply system, the oil return portion being connected to an oil drain port of the compressor end cover so as to return lubricating oil, which has completed lubrication via the compressor end cover, to the oil supply system, wherein the compressor end cover is the compressor end cover described above.
In the embodiment of the invention, the compressor end cover can store enough lubricating oil to supply oil to the bearing by arranging the oil storage part and arranging the oil storage cavity on the oil storage part, and is also provided with an oil supply channel which is used for communicating the oil storage cavity with the bearing so that the lubricating oil in the oil storage cavity is supplied to the bearing through the oil supply channel. The end cover of the compressor meets the requirement of oil supply to the bearing through the oil storage cavity and the oil supply channel, and can ensure that the compressor can be safely stopped after the oil system of the compressor suddenly fails, thereby solving the technical problem that the emergency oil system of the compressor cannot supply oil effectively.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic structural view of a compressor end cover according to an embodiment of the present invention;
FIG. 2 is a side view of a compressor end cover according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the compressor end cover of FIG. 2 at section A-A;
FIG. 4 is an assembly view of a compressor end cover and a compressor body according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the bottom surface of a reserve chamber of a compressor end cap according to an embodiment of the present invention;
FIG. 6 is a perspective view of two embodiments of a cover plate of a compressor end cover in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of two embodiments of a cover plate of a compressor end cover in accordance with an embodiment of the present invention;
Fig. 8 is a block diagram of a bearing for a compressor end cover according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention provides a compressor head, referring to fig. 1 to 8, the compressor head comprising a receiving chamber 10 for receiving at least part of a rotating shaft 30 and a bearing 20, the receiving chamber 10 having a bearing mounting surface 13, the bearing 20 being located between the bearing mounting surface 13 and the rotating shaft 30, the compressor head comprising a head body 40, the head body 40 having a first end surface and a second end surface disposed opposite to each other, the first end surface being for being pressed against a compressor body 110, an oil reservoir 50 disposed on the first end surface, the oil reservoir 50 having an oil reservoir 51 for storing lubricating oil, an oil supply passage 70, one end of the oil supply passage 70 being in communication with the oil reservoir 51, the other end of the oil supply passage 70 being connected with the bearing 20 so that lubricating oil is supplied to the bearing 20 through the oil supply passage 70.
The compressor end cover of the invention can store enough lubricating oil to supply oil to the bearing 20 by arranging the oil storage part and arranging the oil storage cavity 51 on the oil storage part, and is also provided with the oil supply channel 70, wherein the oil supply channel 70 is used for communicating the oil storage cavity 51 with the bearing 20 so that the lubricating oil in the oil storage cavity 51 is supplied to the bearing 20 through the oil supply channel 70. The end cover of the compressor meets the requirement of oil supply to the bearing 20 through the oil storage cavity 51 and the oil supply channel 70, and can ensure that the compressor can be safely stopped after the oil system of the compressor suddenly fails, thereby solving the technical problem that the emergency oil system of the compressor cannot supply oil effectively.
In addition, the compressor end cover can ensure that the bearing 20 is not damaged, and the service life of the bearing is prolonged. The oil storage part can be used as a reinforcing rib of the end cover of the compressor, so that the strength of the end cover of the compressor is enhanced.
Wherein the reservoir has a wall thickness sufficient to withstand the pressure of the lubricating and lubricating medium.
In particular, the oil storage part is a semi-cylinder or a cuboid protruding towards the inside of the compressor main body.
In this embodiment, as shown in fig. 2 and 3, the compressor head further includes an oil inlet passage 60, and the oil inlet passage 60 communicates with the oil reservoir 51 to deliver lubricating oil to the oil reservoir 51 through the oil inlet passage 60.
In specific implementation, an oil inlet is disposed at one end of the oil inlet channel 60 away from the oil storage cavity 51, an internal thread is disposed on an inner wall of the oil inlet, and an oil supply part of the oil supply system has an external thread matched with the internal thread, so that the oil supply part is communicated with the oil inlet channel 60 through the oil inlet.
In particular, the oil supply passage 70 is provided in the oil reservoir 50 and extends in the radial direction of the compressor head, and the oil supply passage 70 communicates with the bottom surface 511 of the oil reservoir 51.
Preferably, the oil supply passage is a cylindrical passage.
In particular, the oil inlet channel 60 is disposed on the end cover main body 40 and extends along the axial direction of the end cover main body 40, and the oil inlet channel 60 communicates with the top end of the oil storage cavity 51. The position where the oil inlet channel 60 communicates with the oil storage cavity 51 is located as close to the cover plate 53 as possible, that is, at the position where the oil storage cavity 51 is as high as possible, so as to ensure that enough lubricating oil is stored in the oil storage cavity 51.
Preferably, the oil feed passage 60 is a cylindrical passage having a wall thickness sufficient to withstand the pressure of the lubricating medium.
In the present embodiment, as shown in fig. 5, the bottom surface of the oil reservoir chamber 51 is a concave surface, and the oil supply passage 70 communicates with the lowest point of the concave surface.
In specific implementation, as shown in fig. 5, the included angle a between the bottom surface of the oil storage cavity and the horizontal plane is 0-5 degrees.
In the present embodiment, the housing chamber 10 has the lubrication oil distribution groove 11, the lubrication oil distribution groove 11 is an annular groove, one end of the lubrication oil distribution groove 11 communicates with the oil supply passage 70, and the other end of the lubrication oil distribution groove 11 communicates with the orifice 21 of the bearing 20 to convey lubrication oil between the bearing 20 and the rotating shaft 30 through the lubrication oil distribution groove 11 and the orifice 21.
As shown in fig. 8, a plurality of orifices 21 are uniformly distributed in the circumferential direction of the bearing main body of the bearing 20, and the orifices 21 have the function of throttling and reducing pressure, so that an oil film is formed between the bearing 20 and the rotating shaft 30.
In particular, the axial width of the lubricating oil distribution groove 11 is larger than the diameter of the oil supply passage 70. This arrangement ensures that the respective orifices 21 of the circumferential bearing 20 have sufficient lubrication oil passing therethrough.
In this embodiment, as shown in fig. 2 and 3, the compressor end cover further includes a drain portion 80, where the drain portion 80 is disposed on a first end surface of the end cover main body 40, the drain portion 80 and the oil storage portion 50 are respectively located on opposite sides of the accommodating cavity 10, the drain portion 80 has a first drain cavity, the end cover main body 40 has a second drain cavity, the first drain cavity and the second drain cavity form a drain cavity 81, an oil drain port 82 is disposed on the end cover main body 40, and the oil drain port 82 is communicated with the drain cavity 81, so that lubricating oil is drained through the oil drain port 82 after passing through the drain cavity 81.
In one embodiment, the oil drain 82 has internal threads and the oil return portion of the oil supply system is provided with external threads that mate with the internal threads to allow the oil return portion to communicate with the oil drain cavity and form an effective seal.
In another embodiment, a first flange is provided at the oil drain 82, and a second flange is provided at the oil return portion of the oil supply system that mates with the first flange, the first flange being connected to the second flange such that the oil return portion communicates with the oil drain cavity and forms an effective seal.
In particular, the drain portion 80 has a first oil return port provided on a side of the drain portion 80 remote from the end cap body 40, so that lubricating oil enters the drain chamber 81 through the first oil return port.
Preferably, as shown in fig. 1, the oil drain portion 80 is a semi-cylinder or a rectangular parallelepiped protruding toward the inside of the compressor body.
The drain 80 may serve as a stiffener for the compressor end cover.
In particular implementation, as shown in fig. 4, the accommodating cavity 10 includes a first cavity section 12, a flange 90 is disposed on a second end surface of the end cover main body 40, the first cavity section 12, the bearing 20, the rotating shaft 30 and the flange 90 enclose a buffer oil cavity 100, and the oil drain portion 80 has a second oil return port, so that the buffer oil cavity 100 is communicated with the oil drain cavity 81 through the second oil return port, and lubricating oil enters the oil drain cavity 81 after passing through the buffer oil cavity 100. The buffer oil chamber 100 plays a role of buffering lubricating oil, and can play a role of buffering when the oil amount increases.
In particular, the oil drain cavity 81 has a first side wall 811, a second side wall 812 and a third side wall 813, the first side wall 811 is disposed at an end of the oil drain cavity 81 away from the end cover main body 40, one end of the second side wall 812 is connected with the first side wall 811, the other end of the second side wall 812 is disposed toward a bottom surface of the oil drain cavity 81, and the third side wall 813 is disposed at an end of the oil drain cavity 81 near the end cover main body 40.
In particular, the first sidewall 811 has an angle α of 10 ° to 30 ° with respect to the horizontal, the second sidewall 812 has an angle β of 30 ° to 70 ° with respect to the horizontal, and the third sidewall 813 has an angle γ of 30 ° to 70 ° with respect to the horizontal.
In the present embodiment, the oil reservoir 50 includes a cover plate 53, and the cover plate 53 is provided to cover the oil reservoir chamber 51 to seal the oil reservoir chamber 51. Wherein the cover plate 53 has a wall thickness sufficient to withstand the pressure of the lubricating medium.
In particular, the top of the oil reservoir 50 is provided with an air outlet 52, and the air outlet 52 communicates with the oil reservoir 51 so that the air in the oil reservoir 51 is discharged through the air outlet 52. Wherein the discharge port 52 communicates the oil reservoir chamber 51 with the motor chamber of the compressor.
In one embodiment, as shown in fig. 6 and 7, a filter screen 521 is mounted on the exhaust port 52.
In another embodiment, as shown in fig. 6 and 7, an elbow 522 is mounted to the exhaust port 52.
For a direct compressor, there are only a compound bearing at the front end and a rear radial bearing. The compressor end cover designed by the invention utilizes the space of the compressor end cover to design an oil storage cavity, and an oil supply channel and an oil discharge port are designed on the compressor end cover to supply oil to the rear radial bearing in an emergency mode. Also at the composite bearing location. The space of the volute is utilized, and the composite bearing emergency oil supply system can be designed.
The compressor end cover has the following beneficial effects:
(1) The oil supply system is combined with the compressor end cover, and the compressor end cover comprises an oil storage cavity, an oil supply channel and an oil discharge port, so that effective oil supply to the bearing is ensured when the oil supply system fails accidentally;
(2) The concave design of the bottom surface of the oil storage cavity ensures that lubricating oil is fully supplied to the bearing;
(3) A cover plate is arranged on the oil storage cavity, a filter screen or a bent pipe is arranged on the upper opening of the cover plate so as to facilitate the discharge of gas contained in lubricating oil, and the lubricating oil is prevented from splashing and foreign matters from entering an emergency oil tank;
(4) 3 inclined planes of the oil discharging cavity form a gradually expanding channel, so that smooth circulation of lubricating oil can be ensured. Providing a buffer space when oil quantity fluctuation occurs;
(5) The oil storage part and the oil drainage part can be used as reinforcing ribs of the end cover of the compressor, so that the space is effectively utilized, and the strength of the end cover of the compressor can be ensured.
The invention also provides a compressor, which comprises a compressor end cover, a rotating shaft 30, a bearing 20 and an oil supply system, wherein the oil supply system comprises an oil supply part and an oil return part, the oil supply part is connected with an oil inlet channel 60 of the compressor end cover so as to supply oil to the compressor end cover, and the oil return part is connected with an oil outlet 82 of the compressor end cover so as to enable lubricating oil which is lubricated by the compressor end cover to flow back to the oil supply system, wherein the compressor end cover is the compressor end cover.
In the above description, it can be seen that the above embodiment of the present invention achieves the following technical effects:
The compressor end cover of the invention can store enough lubricating oil to supply oil to the bearing 20 by arranging the oil storage part and arranging the oil storage cavity 51 on the oil storage part, and is also provided with the oil supply channel 70, wherein the oil supply channel 70 is used for communicating the oil storage cavity 51 with the bearing 20 so that the lubricating oil in the oil storage cavity 51 is supplied to the bearing 20 through the oil supply channel 70. The compressor end cover meets the requirement of oil supply to the bearing 20 through the oil storage cavity 51 and the oil supply channel 70, can ensure that the compressor can be safely stopped after the oil system of the compressor suddenly fails, ensures that the bearing 20 is not damaged, and prolongs the service life of the bearing. In addition, the oil storage part can be used as a reinforcing rib of the end cover of the compressor, so that the strength of the end cover of the compressor is enhanced.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (14)
1. A compressor end cover comprising a receiving cavity (10) for receiving at least part of a rotating shaft (30) and a bearing (20), the receiving cavity (10) having a bearing mounting face (13), the bearing (20) being located between the bearing mounting face (13) and the rotating shaft (30), characterized in that the compressor end cover further comprises:
an end cover body (40), the end cover body (40) having a first end face and a second end face disposed opposite each other, the first end face for press-fitting against a compressor body (110);
an oil reservoir (50), the oil reservoir (50) being provided on the first end face, the oil reservoir (50) having an oil reservoir chamber (51) for storing lubricating oil;
An oil supply passage (70), one end of the oil supply passage (70) is communicated with the oil storage cavity (51), and the other end of the oil supply passage (70) is connected with the bearing (20) so that the lubricating oil is supplied to the bearing (20) through the oil supply passage (70);
The compressor end cover further comprises a drain part (80), wherein the drain part (80) is arranged on the first end face of the end cover main body (40), the drain part (80) is provided with a first drain cavity, the end cover main body (40) is provided with a second drain cavity, and the first drain cavity and the second drain cavity form a drain cavity (81);
The accommodating cavity (10) comprises a first cavity section (12), a flange (90) is arranged on the second end face of the end cover main body (40), the first cavity section (12), the bearing (20), the rotating shaft (30) and the flange (90) enclose a buffer oil cavity (100), the oil drain part (80) is provided with a second oil return port, so that the buffer oil cavity (100) is communicated with the oil drain cavity (81) through the second oil return port, and lubricating oil passes through the buffer oil cavity (100) and then enters the oil drain cavity (81).
2. The compressor end cover of claim 1, the compressor end cover is characterized by further comprising:
and an oil inlet passage (60), wherein the oil inlet passage (60) is communicated with the oil storage cavity (51) so as to convey the lubricating oil to the oil storage cavity (51) through the oil inlet passage (60).
3. The compressor head according to claim 1, wherein the oil supply channel (70) is provided on the oil reservoir (50) and extends in a radial direction of the compressor head, the oil supply channel (70) being in communication with a bottom surface (511) of the oil reservoir (51).
4. The compressor head according to claim 2, wherein the oil inlet passage (60) is provided on the head cover main body (40) and extends in an axial direction of the head cover main body (40), the oil inlet passage (60) communicating with a top end of the oil reservoir (51).
5. A compressor head according to claim 3, wherein the bottom surface of the oil reservoir (51) is concave, and the oil supply passage (70) communicates with the lowest point of the concave.
6. The compressor head according to claim 1, wherein the housing chamber (10) has a lubrication oil distribution groove (11), the lubrication oil distribution groove (11) being an annular groove, one end of the lubrication oil distribution groove (11) being in communication with the oil supply passage (70), the other end of the lubrication oil distribution groove (11) being in communication with an orifice (21) of the bearing (20) to convey the lubrication oil between the bearing (20) and the rotating shaft (30) through the lubrication oil distribution groove (11) and the orifice (21).
7. The compressor head according to claim 6, wherein the axial width of the lubrication distribution groove (11) is greater than the diameter of the oil supply passage (70).
8. The compressor head according to claim 2, wherein the oil drain portion (80) and the oil reservoir portion (50) are located on opposite sides of the housing chamber (10), respectively, and the head cover main body (40) is provided with an oil drain port (82), and the oil drain port (82) communicates with the oil drain chamber (81) so that the lubricating oil is drained through the oil drain port (82) after passing through the oil drain chamber (81).
9. The compressor head according to claim 8, wherein the drain portion (80) has a first oil return port provided at a side of the drain portion (80) remote from the head cover main body (40) so that the lubricating oil enters the drain chamber (81) through the first oil return port.
10. The compressor head according to claim 8, wherein the oil drain chamber (81) has a first side wall (811), a second side wall (812) and a third side wall (813) which are obliquely arranged, the first side wall (811) is arranged at an end of the oil drain chamber (81) away from the head cover main body (40), one end of the second side wall (812) is connected with the first side wall (811), the other end of the second side wall (812) is arranged toward a bottom surface of the oil drain chamber (81), and the third side wall (813) is arranged at an end of the oil drain chamber (81) close to the head cover main body (40).
11. The compressor head according to claim 10, wherein the first side wall (811) is at an angle α of 10 ° to 30 ° to the horizontal, the second side wall (812) is at an angle β of 30 ° to 70 ° to the horizontal, and the third side wall (813) is at an angle γ of 30 ° to 70 ° to the horizontal.
12. The compressor head according to claim 1, wherein the oil reservoir (50) comprises a cover plate (53), the cover plate (53) being arranged to cover the oil reservoir (51) to seal the oil reservoir (51).
13. Compressor end cover according to claim 1 or 12, characterized in that the top of the oil reservoir (50) is provided with an exhaust port (52), which exhaust port (52) communicates with the oil reservoir (51) such that the gas in the oil reservoir (51) is exhausted through the exhaust port (52).
14. A compressor comprising a compressor end cover, a rotating shaft (30), a bearing (20) and an oil supply system, the oil supply system comprising an oil supply portion and an oil return portion, the oil supply portion being connected to an oil inlet channel (60) of the compressor end cover so that the oil supply system supplies oil to the compressor end cover, the oil return portion being connected to an oil drain port (82) of the compressor end cover so that the lubricating oil which has completed lubrication via the compressor end cover flows back to the oil supply system, characterized in that the compressor end cover is the compressor end cover according to any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643952.3A CN110630562B (en) | 2018-06-21 | 2018-06-21 | Compressor end cover and compressor having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643952.3A CN110630562B (en) | 2018-06-21 | 2018-06-21 | Compressor end cover and compressor having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110630562A CN110630562A (en) | 2019-12-31 |
| CN110630562B true CN110630562B (en) | 2024-12-03 |
Family
ID=68966263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810643952.3A Active CN110630562B (en) | 2018-06-21 | 2018-06-21 | Compressor end cover and compressor having the same |
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| JP4223858B2 (en) * | 2003-04-24 | 2009-02-12 | 株式会社日立製作所 | Horizontal rotary compressor |
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| CN202402329U (en) * | 2012-01-17 | 2012-08-29 | 珠海格力电器股份有限公司 | Centrifugal compressor and refrigeration equipment comprising same |
| EP2759710A1 (en) * | 2013-01-23 | 2014-07-30 | Sulzer Pumpen AG | A centrifugal pump and a sleeve for coupling the shaft of a centrifugal pump to a shaft of a drive motor |
| CN104633427A (en) * | 2013-11-08 | 2015-05-20 | 无锡市雪江环境工程设备有限公司 | Water turbine bearing lubricating device |
| CN105298871B (en) * | 2014-06-23 | 2018-04-03 | 重庆美的通用制冷设备有限公司 | Cantilever centrifugal compressor |
| JP2016183618A (en) * | 2015-03-26 | 2016-10-20 | 株式会社豊田自動織機 | Centrifugal compressor |
| CN108798897A (en) * | 2018-08-16 | 2018-11-13 | 西北工业大学 | A kind of microminiature centripetal turbine jet engine |
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