CN111622930A - Method and structure for reducing air displacement of air compressor - Google Patents
Method and structure for reducing air displacement of air compressor Download PDFInfo
- Publication number
- CN111622930A CN111622930A CN202010617246.9A CN202010617246A CN111622930A CN 111622930 A CN111622930 A CN 111622930A CN 202010617246 A CN202010617246 A CN 202010617246A CN 111622930 A CN111622930 A CN 111622930A
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- air compressor
- adjusting plate
- displacement
- cylinder
- reducing
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
-
- 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
- F04B39/122—Cylinder block
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/16—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by adjusting the capacity of dead spaces of working chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a method for reducing the displacement of an air compressor, belongs to the field of displacement adjustment of air compressors, and solves the problem of high failure rate of an air brake system caused by a traditional large displacement air compressor. The method is characterized in that an adjusting plate is additionally arranged between a cylinder body and a cylinder cover of the air compressor to increase the compression clearance volume between the upper stop surface of a piston and the bottom surface of the cylinder cover, so that the displacement of the air compressor is reduced. The method can effectively reduce the failure rate of the air brake system and reduce energy consumption. The invention also discloses a structure for reducing the air displacement of the air compressor. This structural design is ingenious, can improve on original air compressor machine basis, greatly reduced cost of maintenance.
Description
Technical Field
The invention relates to air compressor displacement adjustment, in particular to a method and a structure for reducing air compressor displacement.
Background
When an air brake system is designed in an automobile factory, the air compressor with high air inflation time and large discharge capacity is generally pursued, after design and shaping are carried out, the assembly sizes of a vehicle space, the air compressor, an engine and a whole automobile are determined, and the air compressor is inconvenient to change, even if the total amount of parts and an air storage tank of the air brake system of the automobile is changed, the air compressor with smaller discharge capacity and different installation sizes is difficult to replace, so that the discharge capacity of the air compressor is overlarge, the consumed axial power (namely load power) of the air compressor is larger, the higher the exhaust temperature of the air compressor is, the more the oil discharge is, the loud sound and vibration of the air compressor are caused, and therefore faults of the brake system are caused frequently, for example, the damage.
In order to solve the problems, the method commonly used at present is to replace parts when the parts are damaged, replace corresponding parts when various valves are damaged, and replace a dryer, an air compressor and the like when oil drops too much and oil is leaked, so that the failure rate of an air brake system is high, and the maintenance cost is huge.
Disclosure of Invention
The present invention is directed to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a method for reducing the displacement of an air compressor, which can effectively reduce the failure rate of an air brake system and reduce energy consumption.
The other purpose is to provide a structure for reducing the air displacement of the air compressor, the structural design is ingenious, improvement can be carried out on the basis of the original air compressor, and the maintenance cost is greatly reduced.
The technical scheme of the invention is as follows: a method for reducing the displacement of air compressor features that an adjusting plate is additionally used between cylinder and cylinder cover to increase the compression gap between upper stop surface of piston and bottom surface of cylinder cover, resulting in less displacement of air compressor.
As a further improvement, the thickness calculation formula of the adjusting plate is as follows:
Vm＝ηVtn1＝η*(3.14*D*D*L/4)*n1；
η＝L/(d+L)；
wherein D is the cylinder diameter, L is the piston stroke, η is the volumetric efficiency, n1Is air pressureThe rotating speed of the air compressor is determined, d is the thickness of the adjusting plate, and Vm is the exhaust amount of the target air compressor.
Furthermore, the adjusting plate is installed between the top surface of the cylinder body of the air compressor and the bottom surface of the cylinder cover through bolts.
The second technical scheme of the invention is as follows: the utility model provides a reduce structure of air compressor machine displacement, includes the cylinder body and the cylinder cap of air compressor machine, cylinder body and cylinder cap between be equipped with the adjusting plate, the adjusting plate in be equipped with the volume chamber, just the adjusting plate outer fringe be equipped with a plurality of bolt holes.
As a further improvement, the inner wall surface of the adjustment plate is flush with the inner wall surface of the cylinder head surface, and the outer wall surface of the adjustment plate is flush with the outer wall surface of the cylinder head surface.
Furthermore, the outer wall surfaces of two sides of the adjusting plate are also provided with wavy grains.
Furthermore, the top surface and the bottom surface of the adjusting plate are both provided with first convex patterns.
Furthermore, the top surface and the bottom surface of the adjusting plate at the periphery of the first convex pattern are also provided with second convex patterns, and the height of the protrusions of the second convex patterns is smaller than that of the protrusions of the first convex patterns.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
according to the invention, the adjusting plate is arranged between the cylinder body and the cylinder cover of the air compressor, so that the compression clearance volume of the air compressor is increased, and the volumetric efficiency of piston inflation is reduced, thereby reducing the displacement of the air compressor, so that the displacement is matched with the total volume of the air storage tank of the vehicle air braking system, solving the problem that the small displacement air compressor is difficult to replace due to the fixed installation space and installation size of the vehicle, effectively reducing the failure rate of the air braking system and reducing the energy consumption, and the air compressor has a skillful structural design, can be improved on the basis of the original air compressor, and greatly reduces the maintenance cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the top view of the adjusting plate according to the present invention;
FIG. 3 is an enlarged view of the cross-sectional structure of the adjusting plate according to the present invention.
Wherein: 1-cylinder body, 2-cylinder cover, 3-adjusting plate, 4-piston upper stop surface, 5-volume cavity, 6-bolt hole, 7-wave pattern, 8-first convex pattern, 9-second convex pattern and 10-piston.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-3, according to the method for reducing the displacement of the air compressor, the adjusting plate 3 is added between the cylinder body 1 and the cylinder cover 2 of the air compressor to increase the compression clearance volume between the top dead surface 4 of the piston and the bottom surface of the cylinder cover 2, so that the displacement of the air compressor is reduced.
Specifically, in the operation process of the air compressor, when the piston 10 moves to the upper piston stop surface 4, the gap between the upper piston stop surface 4 and the bottom surface of the cylinder cover 2 is the compression clearance volume of the air compressor, the adjusting plate 3 is added, the space between the upper piston stop surface 4 and the bottom surface of the cylinder cover 2 is enlarged, the gas concentration is diluted, the air pressure of the compressed gas is reduced, the density is reduced, the discharged gas is correspondingly reduced, and therefore the air displacement of the air compressor is reduced.
Preferably, the thickness calculation formula of the adjusting plate 3 is as follows:
Vm＝ηVtn1＝η*(3.14*D*D*L/4)*n1；
η＝L/(d+L)；
wherein D is the cylinder diameter, L is the piston stroke, η is the volumetric efficiency, n1The rotating speed of the air compressor is shown, d is the thickness of the adjusting plate, and Vm is the exhaust capacity of the target air compressor.
According to the required target air compressor machine discharge capacity of vehicle gas holder reverse propulsion required adjusting plate 3's thickness, convenience of customers calculates adjusting plate 3's thickness according to actual demand to choose suitable adjusting plate for use, make the better storage tank capacity who matches vehicle air braking system of air compressor machine displacement, it is very convenient to use.
Preferably, adjusting plate 3 passes through the bolt and installs between 1 top surface of cylinder body and the 2 bottom surfaces of cylinder cap of air compressor machine, in the installation, arranges adjusting plate 3 in between cylinder body 1 and cylinder cap 2, then uses the bolt to pass cylinder cap 2, adjusting plate 3, cylinder body 1 in proper order and realizes the fastening installation, has easy dismounting's characteristics.
The utility model provides a reduce structure of air compressor machine displacement, includes cylinder body 1 and cylinder cap 2 of air compressor machine, is equipped with adjusting plate 3 between cylinder body 1 and cylinder cap 2, is equipped with volume chamber 5 in adjusting plate 3, increases the volume between top dead surface 4 of piston and the 2 bottom surfaces of cylinder cap, makes the volumetric efficiency that the piston was inflated descend, and 3 outer fringe of adjusting plate is equipped with a plurality of bolt holes 6, and the position of bolt hole 6 is corresponding with the bolt hole position of cylinder cap 2 to the installation.
Preferably, the internal face of adjusting plate 3 is parallel and level mutually with the internal face of 1 top surface of cylinder body, and the outer wall of adjusting plate 3 is parallel and level mutually with the outer wall of 1 top surface of cylinder body, and the binding face of adjusting plate 3 and cylinder body 1, cylinder cap 2 sets up along with the shape, satisfies air compressor machine designing requirement, and the structure is more stable.
Preferably, the outer wall surfaces of the two sides of the adjusting plate 3 are also provided with raised grains 7, so that the adjusting plate 3 can be conveniently moved to adjust the position of the bolt hole 6 or take out the adjusting plate 3 in the assembling and disassembling process, and the assembling and disassembling of the adjusting plate are further facilitated.
Preferably, the top surface and the bottom surface of the adjusting plate 3 are both provided with first convex patterns 8, so that the sealing performance between the adjusting plate 3 and the cylinder body 1 and the cylinder cover 2 is improved. Further, the top surface and the bottom surface of the adjusting plate 3 at the periphery of the first convex pattern 8 are also provided with second convex patterns 9, the sealing performance between the adjusting plate 3 and the cylinder body 1 and the cylinder cover 2 is further improved, meanwhile, the protruding height of the second convex patterns 9 is smaller than that of the first convex patterns 8, in the process of installing the adjusting plate 3, the thread pressure of the bolt firstly extrudes the first convex patterns 8 and then extrudes the second convex patterns 9, the mode of extruding the convex patterns step by step is adopted, the bolt is convenient to screw, and meanwhile, the sealing performance is further improved.
According to the invention, the adjusting plate is arranged between the cylinder body and the cylinder cover of the air compressor, so that the compression clearance volume of the air compressor is increased, and the volumetric efficiency of piston inflation is reduced, thereby reducing the displacement of the air compressor, so that the displacement is matched with the total volume of the air storage tank of the vehicle air braking system, solving the problem that the small displacement air compressor is difficult to replace due to the fixed installation space and installation size of the vehicle, effectively reducing the failure rate of the air braking system and reducing the energy consumption, and the air compressor has a skillful structural design, can be improved on the basis of the original air compressor, and greatly reduces the maintenance cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (8)
1. The method for reducing the displacement of the air compressor is characterized in that an adjusting plate (3) is additionally arranged between a cylinder body (1) and a cylinder cover (2) of the air compressor to increase the compression clearance volume between the upper stop surface (4) of a piston and the bottom surface of the cylinder cover (2), so that the displacement of the air compressor is reduced.
2. The method for reducing the displacement of the air compressor according to claim 1, wherein the thickness of the adjusting plate (3) is calculated by the formula:
Vm＝ηVtn1＝η*(3.14*D*D*L/4)*n1；
η＝L/(d+L)；
wherein D is the cylinder diameter, L is the piston stroke, η is the volumetric efficiency, n1The rotating speed of the air compressor is shown, d is the thickness of the adjusting plate, and Vm is the exhaust capacity of the target air compressor.
3. The method for reducing the displacement of the air compressor as claimed in claim 1, wherein the adjusting plate (3) is mounted between the top surface of the cylinder block (1) and the bottom surface of the cylinder cover (2) of the air compressor by bolts.
4. The utility model provides a reduce structure of air compressor machine displacement, includes cylinder body (1) and cylinder cap (2) of air compressor machine, its characterized in that, cylinder body (1) and cylinder cap (2) between be equipped with adjusting plate (3), adjusting plate (3) in be equipped with volume chamber (5), just adjusting plate (3) outer fringe be equipped with a plurality of bolt holes (6).
5. The structure for reducing the displacement of the air compressor as claimed in claim 4, wherein the inner wall surface of the adjusting plate (3) is flush with the inner wall surface of the top surface of the cylinder (1), and the outer wall surface of the adjusting plate (3) is flush with the outer wall surface of the top surface of the cylinder (1).
6. The structure for reducing the air displacement of the air compressor as claimed in claim 4, wherein the adjusting plate (3) is further provided with raised grains (7) on the outer wall surfaces of both sides.
7. The structure for reducing the displacement of an air compressor as claimed in claim 4, 5 or 6, wherein the top and bottom surfaces of the adjusting plate (3) are provided with first ribs (8).
8. The structure for reducing the displacement of the air compressor according to claim 7, wherein the top and bottom surfaces of the adjusting plate (3) at the periphery of the first ribs (8) are further provided with second ribs (9), and the height of the second ribs (9) is smaller than that of the first ribs (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617246.9A CN111622930A (en) | 2020-06-30 | 2020-06-30 | Method and structure for reducing air displacement of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617246.9A CN111622930A (en) | 2020-06-30 | 2020-06-30 | Method and structure for reducing air displacement of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111622930A true CN111622930A (en) | 2020-09-04 |
Family
ID=72272306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617246.9A Pending CN111622930A (en) | 2020-06-30 | 2020-06-30 | Method and structure for reducing air displacement of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622930A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339568Y (en) * | 2009-01-22 | 2009-11-04 | 四川石油管理局成都天然气压缩机厂 | Clearance adjusting device |
| CN101634289A (en) * | 2009-08-21 | 2010-01-27 | 攀枝花新钢钒股份有限公司 | Method for reducing end face clearance volume of piston type compressor cylinder |
| CN102235344A (en) * | 2011-08-09 | 2011-11-09 | 北京金凯威通用机械有限公司 | Air cylinder of piston type compressor |
| CN208734520U (en) * | 2018-08-08 | 2019-04-12 | 沈阳远大压缩机自控***有限公司 | A kind of low discharge capacity clearance regulating system of reciprocating compressor |
| CN212360109U (en) * | 2020-06-30 | 2021-01-15 | 广西玉柴机器股份有限公司 | Structure for reducing air displacement of air compressor |
-
2020
- 2020-06-30 CN CN202010617246.9A patent/CN111622930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339568Y (en) * | 2009-01-22 | 2009-11-04 | 四川石油管理局成都天然气压缩机厂 | Clearance adjusting device |
| CN101634289A (en) * | 2009-08-21 | 2010-01-27 | 攀枝花新钢钒股份有限公司 | Method for reducing end face clearance volume of piston type compressor cylinder |
| CN102235344A (en) * | 2011-08-09 | 2011-11-09 | 北京金凯威通用机械有限公司 | Air cylinder of piston type compressor |
| CN208734520U (en) * | 2018-08-08 | 2019-04-12 | 沈阳远大压缩机自控***有限公司 | A kind of low discharge capacity clearance regulating system of reciprocating compressor |
| CN212360109U (en) * | 2020-06-30 | 2021-01-15 | 广西玉柴机器股份有限公司 | Structure for reducing air displacement of air compressor |
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