CN116858329A - Device for testing volume of air spring - Google Patents
Device for testing volume of air spring Download PDFInfo
- Publication number
- CN116858329A CN116858329A CN202310828610.XA CN202310828610A CN116858329A CN 116858329 A CN116858329 A CN 116858329A CN 202310828610 A CN202310828610 A CN 202310828610A CN 116858329 A CN116858329 A CN 116858329A
- Authority
- CN
- China
- Prior art keywords
- air
- air spring
- volume
- spring
- pressure
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
Abstract
The invention discloses a device for testing the volume of an air spring, which comprises an air supply pipe, wherein the air supply pipe is used for supplying air to the air spring; the air storage device further comprises an air storage piece, wherein the air storage piece is communicated with the air spring through an air inlet pipe, and a first valve is arranged on the air inlet pipe; the air spring also comprises a detection piece for detecting the pressure intensity in the air spring and the air storage piece. In the detection of the volume of the air spring, the height of the air spring is regulated, after the air spring is regulated to a certain height (target height), the first valve is closed, then the air spring is inflated to the air pressure P1 through the air supply pipe (the air pressure P1 is detected by the detection piece), the volume of the air spring at the moment is assumed to be V1, the air pressure of the air storage tank is atmospheric pressure P0, the volume of the air storage tank is V0, then the air spring is stopped to be inflated, the first valve is opened to enable the air spring to be communicated with the air storage piece, the pressure P2 of the air storage piece and the air spring is read after balance is achieved, and the volume of the air spring under the rated load or under the rated pressure can be obtained according to a gaseous equation.
Description
Technical Field
The invention relates to the technical field of air spring detection equipment, in particular to a device for testing the volume of an air spring.
Background
The current method for measuring the volume of the static air spring is to add water into the air spring by using equipment, record the amount of added water to convert into the volume of the air spring after a certain pressure is reached, or pour the water in the air spring into a container to measure the volume of the air spring.
This approach has the following technical disadvantages:
(1) Inaccuracy, the air in the empty spring can not exhaust the actual measurement result deviation greatly.
(2) Depending on the special equipment, the air spring needs to be injected with rated pressure water by depending on the standard equipment.
(3) The water in the hollow spring after water injection test cannot be discharged completely, and the hollow spring cannot be reused.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a method and a device for testing the volume of an air spring.
The invention provides a method for testing the volume of an air spring, which comprises the following steps:
s1: detecting the air pressure and the volume of the air storage piece;
s2: adjusting the air spring to a target height, and blowing air into the air spring until the air pressure of the air spring reaches P1 when the air spring is blown, wherein the volume of the air spring is assumed to be V1 at the moment, and then stopping blowing air into the air spring;
s3: the air storage piece is communicated with the air spring after the air is blown in, and when the air pressure in the air storage piece and the air pressure in the air spring are balanced, the air pressure P2 after the air spring and the air storage piece are communicated is recorded;
s4: the volume V1 of the air spring under rated load or rated air pressure is calculated by means of the gaseous equation.
Preferably, in step S4:
[P1*(V1+V2)+P0V0]/T1＝P2*(V0+V1+V2)/T2；
the temperature is equal in the process of inflation and deflation, so t1=t2;
thus:
V1＝[P2*(V0+V2)-P1*V2-P0V0]/(P1-P2)；
wherein: v2 is the volume of the tubing in the detection system.
An apparatus for testing the volume of an air spring includes a gas supply tube for supplying gas to the air spring;
the air storage device further comprises an air storage piece, wherein the air storage piece is communicated with the air spring through an air inlet pipe, and a first valve is arranged on the air inlet pipe;
the air spring also comprises a detection piece for detecting the pressure intensity in the air spring and the air storage piece.
In the detection of the volume of the air spring, firstly, the height of the air spring is regulated, after the air spring is regulated to a certain height (target height), the first valve is closed, then the air spring is inflated to the air pressure P1 through the air supply pipe (the air pressure P1 is detected by the detection piece), the volume of the air spring at the moment is assumed to be V1, the air pressure of the air storage tank is atmospheric pressure P0, the volume of the air storage tank is V0, then the air spring is stopped to be inflated, the first valve is opened to enable the air spring to be communicated with the air storage piece, the pressure P2 of the air storage piece and the air spring is read after balance is achieved, and then the volume V1 of the air spring under the rated load or under the rated pressure can be obtained through a gaseous equation.
Preferably, the gas storage piece is also provided with an exhaust pipe, and the exhaust pipe is provided with an exhaust valve, so that the control is convenient.
Preferably, the detecting member is a pressure gauge or a pressure sensor.
Preferably, the air inlet pipe and the air supply pipe are both communicated with the three-way valve, the other communication port of the three-way valve is connected with a detection pipe, and the detection pipe is connected with an air spring.
Preferably, the detecting member is mounted on the three-way valve for detecting the air pressure of the communication chamber in the three-way valve.
Preferably, the detection tube is provided with a second valve.
Preferably, a third valve is arranged on the air supply pipe.
Preferably, the gas storage device further comprises a mounting plate, and the gas storage piece is mounted on the mounting plate.
Compared with the existing air spring volume detection device, the device for testing the air spring volume has the following advantages:
(1) The measurement is relatively accurate, and the actual use scene of the air spring is met;
(2) The method is simple and easy to operate, and does not depend on special equipment;
(3) The empty spring after the test can be loaded again for use.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention when detecting an air spring;
in the figure: 1. a gas supply pipe; 2. a gas storage member; 3. an air inlet pipe; 4. a first valve; 5. a detecting member; 6. an exhaust pipe; 7. an exhaust valve; 8. a three-way valve; 9. a detection tube; 10. a second valve; 11. a third valve; 12. a mounting plate; 13. a support column; 14. a handle; 15. and a connection hole.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
A method of testing the volume of an air spring comprising the steps of:
s1: detecting the air pressure and the volume of the air storage piece;
s2: adjusting the air spring to a target height, and blowing air into the air spring until the air pressure of the air spring reaches P1 when the air spring is blown, wherein the volume of the air spring is assumed to be V1 at the moment, and then stopping blowing air into the air spring;
s3: the air storage piece is communicated with the air spring after the air is blown in, and when the air pressure in the air storage piece and the air pressure in the air spring are balanced, the air pressure P2 after the air spring and the air storage piece are communicated is recorded;
s4: the volume V1 of the air spring under rated load or rated air pressure is calculated by means of the gaseous equation.
Preferably, in step S4:
[P1*(V1+V2)+P0V0]/T1＝P2*(V0+V1+V2)/T2；
the temperature is equal in the process of inflation and deflation, so t1=t2;
thus:
V1＝[P2*(V0+V2)-P1*V2-P0V0]/(P1-P2)；
wherein: v2 is the volume of the tubing in the detection system.
1-2, an apparatus for testing the volume of an air spring, comprising an air supply pipe 1, the air supply pipe 1 being used for supplying air to the air spring;
the air storage device further comprises an air storage piece 2, and it is to be noted that the air storage piece 2 can be equipment capable of realizing air storage in the prior art, in this embodiment, the air storage piece 2 is an air outlet tank, and of course, a person skilled in the art can adopt other equipment to store air, the air storage piece 2 is communicated with an air spring through an air inlet pipe 3, a first valve 4 is arranged on the air inlet pipe 3, and the first valve 4 controls whether the air outlet piece is communicated with the air spring;
the air spring is also provided with a detection piece 5 for detecting the pressure intensity in the air spring and the air storage piece 2;
preferably, the detecting member 5 is a pressure gauge or a pressure sensor, in this embodiment the detecting member 5 is a pressure gauge.
In the detection process, the air supply pipe 1 and the air inlet pipe 3 are connected with an air spring, as shown in fig. 2; the air supply pipe 1 is connected with an air charging device;
in the detection of the volume of the air spring, firstly, the height of the air spring is regulated, after the air spring is regulated to a certain height (target height), the first valve 4 is closed, then the air spring is inflated to the air pressure P1 through the air supply pipe 1 (the air pressure P1 is detected by the detection piece 5), the volume of the air spring at the moment is assumed to be V1, the air pressure of the air storage tank is atmospheric pressure P0, the volume of the air storage tank is V0, then the air spring is stopped to be inflated, the first valve 4 is opened to enable the air spring to be communicated with the air storage piece 2, the air storage piece 2 and the pressure P2 of the air spring are read after balance is achieved, and then the volume V1 of the air spring under the rated load or the rated pressure can be obtained through a gaseous equation;
[P1*(V1+V2)+P0V0]/T1＝P2*(V0+V1+V2)/T2；
the temperature is equal in the process of inflation and deflation, so t1=t2;
thus:
V1＝[P2*(V0+V2)-P1*V2-P0V0]/(P1-P2)；
wherein: v2 is the volume of the tubing in the detection system.
Preferably, the gas storage piece 2 is also provided with an exhaust pipe 6, and the exhaust pipe 6 is provided with an exhaust valve 7, so that the gas in the gas storage piece 2 is conveniently deflated, and the air pressure of the air outlet piece is ensured to be atmospheric pressure.
Preferably, the air supply device further comprises a three-way valve 8, the air inlet pipe 3 and the air supply pipe 1 are communicated with the three-way valve 8, the other communication port of the three-way valve 8 is connected with a detection pipe 9, the detection pipe 9 is connected with an air spring, the three-way valve 8 can control the detection pipe 9 to be communicated with the air supply pipe 1 so that the air inlet pipe 3 charges air in the air spring, when the three-way valve 8 enables the air inlet pipe 3 to be communicated with the detection pipe 9, gas in the air spring is discharged into a gas storage tank, and the three-way valve 8 can further control the detection pipe 9 to be communicated with the gas storage piece 2 so as to control the connection.
Preferably, the detecting tube 9 is provided with a second valve 10 when the detecting member 5 detects the air pressure in the air spring.
Preferably, the air supply pipe 1 is provided with a third valve 11.
Preferably, the detecting member 5 is mounted on the three-way valve 8 for detecting the air pressure of the communication chamber in the three-way valve 8, specifically, the detecting member 5 is communicated with the communication chamber of the three-way valve 8, the detecting tube 9 is communicated with the air spring, and when the three-way valve 8 communicates the air supply tube 1 with the detecting tube 9, the detecting member 5 detects the air pressure of the air spring; when the three-way valve 8 communicates the intake pipe 3 with the detection pipe 9 and when the second valve 10, the third valve 11, and the exhaust valve 7 are closed, the detection piece 5 detects the air pressure in the air storage piece 2 while the first valve 4 is opened; when the three-way valve 8 enables the air inlet pipe 3 to be communicated with the detection pipe 9, the third valve 11 and the exhaust valve 7 are closed, the first valve 4 and the second valve 10 are opened, the detection piece 5 detects the air pressure of the air spring communicated with the air storage piece 2, when the air pressure of the detection piece 5 shows stable and unchanged, the air pressure in the air spring and the air storage piece 2 is stable and balanced, and then the air pressure P2 is recorded. The three-way valve 8 not only serves as a valve, but also as an intermediate chamber by the arrangement of the first valve 4, the second valve 10 and the third valve 11.
Preferably, the air storage device further comprises a mounting plate 12, the air storage piece 2 is mounted on the mounting plate 12, in particular, the three-way valve 8 is also mounted on the mounting plate 12, the mounting plate 12 is provided with a support column 13, the three-way valve 8 is fixed on the support column 13, detection is facilitated, preferably, the support column 13 can vertically rotate relative to the mounting plate 12, the support column 13 can be mounted on the mounting plate 12 through a damping shaft in the prior art, a handle 14 is arranged on the mounting plate 12 for facilitating movement, and a connecting hole 15 is formed in the mounting plate 12, so that the mounting plate 12 is conveniently fixed on corresponding equipment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A method of testing the volume of an air spring comprising the steps of:
s1: detecting the air pressure and the volume of the air storage piece (2);
s2: adjusting the air spring to a target height, and blowing air into the air spring until the air pressure of the air spring reaches P1 when the air spring is blown, wherein the volume of the air spring is assumed to be V1 at the moment, and then stopping blowing air into the air spring;
s3: the air storage piece (2) is communicated with the air spring after the air is blown in, and when the air pressure in the air storage piece and the air pressure in the air spring are balanced, the air pressure P2 after the air spring and the air storage piece are communicated is recorded;
s4: the volume V1 of the air spring is calculated by the gaseous equation.
2. The method of testing the volume of an air spring according to claim 1, wherein in step S4:
[P1*(V1+V2)+P0V0]/T1＝P2*(V0+V1+V2)/T2；
the temperature is equal in the process of inflation and deflation, so t1=t2;
thus:
V1＝[P2*(V0+V2)-P1*V2-P0V0]/(P1-P2)；
wherein: v2 is the volume of the tubing in the detection system.
3. A device for testing the volume of an air spring, characterized in that it comprises an air supply pipe (1), the air supply pipe (1) being used for supplying air into the air spring;
the air storage device further comprises an air storage piece (2), wherein the air storage piece (2) is communicated with an air spring through an air inlet pipe (3), and a first valve (4) is arranged on the air inlet pipe (3);
the air spring also comprises a detection piece (5) for detecting the pressure intensity in the air spring and the air storage piece (2).
4. Device for testing the volume of an air spring according to claim 1, characterized in that the air reservoir (2) is further provided with an exhaust pipe (6), the exhaust pipe (6) being provided with an exhaust valve (7).
5. A device for testing the volume of an air spring according to claim 3, characterized in that the detecting member (5) is a pressure gauge or a pressure sensor.
6. A device for testing the volume of an air spring according to claim 3, characterized by further comprising a three-way valve (8), wherein the air inlet pipe (3) and the air supply pipe (1) are both communicated with the three-way valve (8), a detection pipe (9) is connected to the other communication port of the three-way valve (8), and the detection pipe (9) is connected with the air spring.
7. Device for testing the volume of an air spring according to claim 6, characterized in that the detection member (5) is mounted on the three-way valve (8) for detecting the air pressure of the communication chamber in the three-way valve (8).
8. Device for testing the volume of an air spring according to claim 6, characterized in that the detection tube (9) is provided with a second valve (10).
9. A device for testing the volume of an air spring according to claim 3, characterized in that the air supply pipe (1) is provided with a third valve (11).
10. A device for testing the volume of an air spring according to claim 3, further comprising a mounting plate (12), said air reservoir (2) being mounted on said mounting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310828610.XA CN116858329A (en) | 2023-07-07 | 2023-07-07 | Device for testing volume of air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310828610.XA CN116858329A (en) | 2023-07-07 | 2023-07-07 | Device for testing volume of air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116858329A true CN116858329A (en) | 2023-10-10 |
Family
ID=88228071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310828610.XA Pending CN116858329A (en) | 2023-07-07 | 2023-07-07 | Device for testing volume of air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116858329A (en) |
-
2023
- 2023-07-07 CN CN202310828610.XA patent/CN116858329A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9863838B2 (en) | Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub | |
| US20060010898A1 (en) | System for refrigerant charging with constant volume tank | |
| CN109724667B (en) | Method and system for detecting volume percentage of liquid in container and dispenser with system | |
| CN112432879B (en) | Gas adsorption-desorption-recovery test device and test method for coal body | |
| CN201141798Y (en) | Gas leakage tester | |
| CN101840650B (en) | Device and method for measuring specific heat ratio of air under different temperatures | |
| CN209400157U (en) | Test device for air tightness | |
| US10295516B2 (en) | Calibration device | |
| CN220454649U (en) | Device for testing volume of air spring | |
| CN112924161A (en) | Pressure detection device for opening valve of explosion-proof valve | |
| CN116858329A (en) | Device for testing volume of air spring | |
| CN108692861B (en) | Calibrating device and balancing method for piston type pressure gauge | |
| CN114427901A (en) | System and method for realizing dynamic regulation and control and calibration of temperature and pressure of gas meter | |
| CN207964698U (en) | A kind of hydration heat of cement testing machine | |
| CN103487121B (en) | Fuel gas quality measuring device | |
| CN216484381U (en) | Hydrogen storage bottle test water injection system | |
| CN106596316B (en) | Testing device and method for cross-sectional area of rusted steel bar | |
| EP3299775B1 (en) | Calibration device | |
| CN213180590U (en) | A aerify inspection machine for latex catheter | |
| CN116558596A (en) | Method and system for measuring volume of static air spring | |
| Constantz et al. | Submersible pressure outflow cell for measurement of soil water retention and diffusivity from 5 to 95 C | |
| CN214041332U (en) | CO2 aqueous solution saturation dissolution and desolventization balance monitoring system | |
| JP4171664B2 (en) | Liquid volume measuring device | |
| CN219495371U (en) | Transformer oil level detection device | |
| CN213433375U (en) | Gas-liquid separation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |