CN113252256A - Multi-kinetic energy detection test bed for oil-gas separator and detection method - Google Patents
Multi-kinetic energy detection test bed for oil-gas separator and detection method Download PDFInfo
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- CN113252256A CN113252256A CN202110458789.5A CN202110458789A CN113252256A CN 113252256 A CN113252256 A CN 113252256A CN 202110458789 A CN202110458789 A CN 202110458789A CN 113252256 A CN113252256 A CN 113252256A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
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Abstract
The invention relates to a multi-kinetic energy detection test bed and a detection method for an oil-gas separator, wherein, comprises a detection workbench, a preparation workbench, a linear guide rail and a driving device, wherein the detection workbench and the preparation workbench are integrally formed, one end of the linear guide rail is arranged on the preparation workbench, the other end of the linear guide rail is arranged on the detection workbench, the linear guide rail is provided with a clamp, the driving device is connected with the clamp, the clamp is provided with a plurality of positioning columns, the detection workbench is provided with a first air cylinder, a second air cylinder, a third air cylinder and a fourth air cylinder, each air cylinder piston rod is provided with a detection head, each detection head is externally connected with a pressure detection device, the driving device drives the clamp to move onto the detection workbench to perform positive pressure detection and then negative pressure detection, the oil-gas separator detection device solves the technical problems that in the prior art, an oil-gas separator detection device can only detect a single product and can only detect one of positive pressure or negative pressure.
Description
Technical Field
The invention relates to the technical field of detection of oil-gas separators, in particular to a multi-kinetic energy detection test bed for an oil-gas separator and a detection method.
Background
The oil-gas separator is an important part in an automobile engine, and has the functions of keeping good lubricating property of engine oil and prolonging the service life of the engine oil. When the engine works, a part of high-temperature and high-pressure fuel gas leaks into a crankcase through a piston ring, wherein after diesel steam and water steam are condensed, engine oil becomes thin, the performance is deteriorated, foams are formed in the engine oil to damage the normal supply of the engine oil, and the phenomenon is particularly serious when the engine is cooled in winter. After the oil-gas separator is installed, the substances can be separated out in time. Therefore, the air tightness of the oil-gas separator and the closing and opening pressure of the PCV valve arranged in the oil-gas separator are important bases for verifying whether the oil-gas separator is qualified. And detecting the air tightness of the oil-gas separator, namely detecting positive pressure, and detecting the closing and opening pressure of the PCV valve, namely detecting negative pressure. The existing oil-gas separator detection device can only detect a single product and can only detect one of positive pressure or negative pressure. In addition, the oil-gas separator product with an inlet and an outlet is not arranged at the top end of part of the oil-gas separator product, and the measurement precision is easily influenced due to the lack of a product positioning device during detection; and part top is equipped with the oil and gas separator product of exit, and when the top detected cylinder piston rod supported oil and gas separator, because oil and gas separator lower extreme lacks bearing structure, causes the damage of product easily.
Disclosure of Invention
In view of the defects in the prior art, a first object of the present invention is to provide a multi-kinetic energy detection test bed for an oil-gas separator, so as to solve the technical problem that a detection device for an oil-gas separator in the prior art can only detect a single product.
In order to solve the technical problems, the invention provides a multi-kinetic energy detection test bed for an oil-gas separator, which comprises a detection workbench, a preparation workbench, a linear guide rail and a driving device, wherein the detection workbench and the preparation workbench are integrally formed, one end of the linear guide rail is arranged on the preparation workbench, the other end of the linear guide rail is arranged on the detection workbench, the linear guide rail is provided with a clamp, the driving device is connected with the clamp and is used for controlling the clamp to move on the linear guide rail, the clamp is provided with a plurality of positioning columns, the detection workbench is provided with a first air cylinder, a second air cylinder, a third air cylinder and a fourth air cylinder, the first air cylinder is erected on the detection workbench, the first air cylinder can move along the circumferential direction of a semicircle on a vertical plane vertical to the linear guide rail, the second air cylinder is erected on the detection workbench and positioned above the linear guide rail, and the piston rod is vertically downward, the third cylinder is located linear guide left side and piston rod and is perpendicular with linear guide extending direction towards linear guide, and the fourth cylinder is located linear guide (3) rear side and piston rod and is parallel with linear guide extending direction towards linear guide, all is equipped with on first cylinder, second cylinder, third cylinder and the fourth cylinder piston rod and detects the head, and every detects the head and all is external to have pressure measurement equipment.
After the structure is adopted, the multi-kinetic energy detection test bed for the oil-gas separator has the following advantages: the oil-gas separator is arranged on the positioning column, the detection workbench is provided with four cylinders including a first cylinder, a second cylinder, a third cylinder and a fourth cylinder, the position of the first cylinder is adjustable, and under the combined action of the four cylinders, the oil-gas separator is detected through a detection head on the cylinder and external pressure detection equipment, so that the inlet and outlet of different positions of various oil-gas separators can be met, and the detection of various products by one equipment is realized.
As the improvement, be equipped with the arch connecting piece on the testing workbench, be equipped with circular-arc through-hole on the arch connecting piece, threaded connection has the locking handle on the first cylinder, and the screw thread end of locking handle passes circular-arc through-hole and connects first cylinder, and first cylinder piston rod is inboard towards the arch connecting piece. By adopting the structure, the first air cylinder can be fixed at any position of the through hole, and the detection of the inlets and the outlets at different positions of various oil-gas separators is met.
As the improvement, the bottom ends of the two sides of the arched connecting piece are respectively provided with a first long hole, and each first long hole is horizontally arranged and the length direction of the first long hole is parallel to the moving direction of the linear guide rail. By adopting the structure, the position of the arched connecting piece can be adjusted, and the detection position range is enlarged.
As the improvement, be equipped with four stands on the testing workbench, the stand top is equipped with the diaphragm, and the diaphragm bottom is equipped with the connecting plate, and the second cylinder is located on the connecting plate. The exit on part oil and gas separator product top has a plurality ofly, and the correspondence also has a plurality of second cylinders, adopts this kind of structure, when detecting the oil and gas separator that the top does not have exit, need not to use the second cylinder, can directly dismantle the connecting plate this moment, avoids dismantling a plurality of second cylinders, convenient operation.
As an improvement, the transverse plate is detachably provided with two fixing devices. By adopting the structure, the fixing device can fix the product for the oil-gas separator product of which part of the top end is not provided with the inlet and the outlet, and the stability during detection is improved.
As the improvement, fixing device includes fifth cylinder and dead lever, and on the diaphragm was vertically located to the fifth cylinder, the dead lever was connected the fifth cylinder piston rod and passed the diaphragm and set up down, and the dead lever lower extreme is equipped with the cushion rubber head. By adopting the structure, the oil-gas separator has the advantage of simple structure, and the product of the oil-gas separator is not easy to damage.
As the improvement, be equipped with first connecting piece on the detection achievement platform, first connecting piece is the L font, and L font horizontal end is equipped with the second slot hole, and the second slot hole is the level and sets up and length direction is parallel with linear guide moving direction, and the third cylinder is located on the first connecting piece. By adopting the structure, the position of the third cylinder can be adjusted, and the detection position range is enlarged.
As an improvement, a second connecting piece is arranged on the detection workbench, the second connecting piece is L-shaped, a third long hole is formed in the horizontal end of the L-shaped, the third long hole is horizontally arranged, the length direction of the third long hole is parallel to the moving direction of the linear guide rail, and a fourth cylinder is arranged on the second connecting piece. By adopting the structure, the position of the fourth cylinder can be adjusted, and the detection position range is enlarged.
As the improvement, be equipped with bearing structure on the anchor clamps, bearing structure includes outer barrel, interior barrel and locking bolt, and outer barrel cavity and perisporium are gone up and are vertically equipped with the strip through-hole, are equipped with the handle on the interior barrel, and interior barrel activity is pegged graft and is located the urceolus body at the internal and handle that passes the strip through-hole of urceolus, and the locking bolt is located outer barrel on the outer barrel perisporium and passes outer barrel, still is equipped with the cushion rubber head on the interior barrel top surface. By adopting the structure, the supporting structure can support the oil-gas separator product, the product is prevented from being damaged by the pressure of the second cylinder, and the supporting structure is adjustable in height and suitable for various products.
The second purpose of the present invention is to provide a detection method for a multi-kinetic energy detection test bed of an oil-gas separator, so as to solve the technical problem that the detection device of the oil-gas separator in the prior art can only detect one of positive pressure and negative pressure, wherein the method comprises the following steps:
s1, placing the oil-gas separator on a positioning column on the clamp;
s2, starting a driving device, driving the clamp through the driving device and moving the clamp to the detection workbench;
s3, piston rods of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder extend out, and the detection head abuts against an inlet and an outlet of the oil-gas separator;
s4, performing positive pressure detection by pressure detection equipment, and detecting the air tightness of the oil-gas separator;
and S5, detecting the negative pressure by a pressure detection device, and detecting the closing and opening pressure of the PCV in the oil-gas separator.
The detection method can continuously detect positive pressure and negative pressure, simplifies the detection process, and has the advantages of reducing cost and improving detection efficiency.
Drawings
Fig. 1 is a schematic perspective view of a multi-kinetic energy detection test bed for an oil-gas separator according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic perspective view of another angle of the multi-kinetic energy detection test bed for the oil-gas separator according to the present invention.
Fig. 4 is a partially enlarged view of a portion B in fig. 3.
Fig. 5 is a partially enlarged view of a portion C in fig. 3.
Reference numerals: 1. a detection workbench; 2. preparing a workbench; 3. a linear guide rail; 4. a drive device; 5. a clamp; 6. a positioning column; 601. a protrusion; 7. a first cylinder; 8. a second cylinder; 9. a third cylinder; 10. a fourth cylinder; 11. a detection head; 12. a pressure detection device; 13. an arched connector; 14. a circular arc-shaped through hole; 15. locking the handle; 16. a first long hole; 17. a column; 18. a transverse plate; 19. a connecting plate; 20. a fixing device; 201. a fifth cylinder; 202. fixing the rod; 21. a buffer rubber head; 22. a first connecting member; 23. a second long hole; 24. a second connecting member; 25. a third long hole; 26. a support structure; 261. an outer cylinder; 262. an inner cylinder; 263. locking the bolt; 264. strip-shaped through holes; 265. a handle.
Detailed Description
The multi-kinetic energy detection test bed for the oil-gas separator is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the multi-kinetic energy detection test bed for the oil-gas separator comprises a detection workbench 1, a preparation workbench 2, a linear guide rail 3 and a driving device 4. The detection table 1 and the preparation table 2 are integrally formed. One end of the linear guide rail 3 is arranged on the preparation workbench 2, and the other end is arranged on the detection workbench 1. The linear guide rail 3 is provided with a clamp 5. The driving device 4 is connected to the clamp 5 and is used for controlling the clamp 5 to move on the linear guide rail 3, and the driving device 4 is an air cylinder in the embodiment. The fixture 5 is provided with a plurality of positioning columns 6, in the embodiment, the number of the positioning columns 6 is four, a protrusion 601 is arranged at the top end of each positioning column 6, and the protrusion 601 is inserted into a through hole on an oil-gas separator product to fix the oil-gas separator. The detection workbench 1 is provided with a first cylinder 7, a second cylinder 8, a third cylinder 9 and a fourth cylinder 10, and the first cylinder 7, the third cylinder 9, the second cylinder 8 and the fourth cylinder 10 are arranged in sequence according to the direction away from the preparation workbench 2.
The second cylinder 8 is erected on the detection workbench 1 and is located above the linear guide rail 3 and the piston rod vertically downward, and specifically: four upright posts 17 are arranged on the detection workbench 1, a transverse plate 18 is arranged at the top ends of the upright posts 17, a connecting plate 19 is arranged at the bottom end of the transverse plate 18, and the second cylinder 8 is arranged on the connecting plate 19. Two fastening devices 20 are detachably mounted on the cross plate 18. The fixing device 20 comprises a fifth cylinder 201 and a fixing rod 202, the fifth cylinder 201 is vertically arranged on the transverse plate 18, the fixing rod 202 is connected with a piston rod of the fifth cylinder 201 and penetrates through the transverse plate 18 to be arranged downwards, and a buffer rubber head 21 is arranged at the lower end of the fixing rod 202.
All be equipped with on first cylinder 7, second cylinder 8, third cylinder 9 and the fourth cylinder 10 piston rod and detect head 11, every detects head 11 and all has pressure measurement equipment 12 through the trachea is external, and the concrete theory of operation and the working method of pressure measurement equipment 12 are prior art, no longer describe here any more.
The clamp 5 is provided with a support structure 26. The supporting structure 26 comprises an outer cylinder 261, an inner cylinder 262 and a locking bolt 263, wherein a strip-shaped through hole 264 is vertically arranged on the hollow peripheral wall of the outer cylinder 261, a handle 265 is arranged on the inner cylinder 262, the inner cylinder 262 is movably inserted into the outer cylinder 261, the handle 265 penetrates through the strip-shaped through hole 264 and is positioned outside the outer cylinder 261, the locking bolt 263 is arranged on the peripheral wall of the outer cylinder 261 and penetrates through the outer cylinder 261, and a buffer rubber head 21 is further arranged on the top surface of the inner cylinder 262.
The invention also relates to a detection method of the multi-kinetic energy detection test bed for the oil-gas separator, wherein the detection method comprises the following steps: firstly, placing an oil-gas separator on a positioning column 6 on a clamp 5, secondly, starting a driving device 4, driving the clamp 5 through the driving device 4 and enabling the clamp 5 to move to a detection workbench 1, then extending piston rods of a first cylinder 7, a second cylinder 8, a third cylinder 9 and a fourth cylinder 10, enabling a detection head 11 to abut against an inlet and an outlet of the oil-gas separator, then carrying out positive pressure detection through a pressure detection device 12 to detect the air tightness of the oil-gas separator, and finally carrying out negative pressure detection through the pressure detection device 12 to detect the closing and opening pressure of a PCV (positive pressure control) valve in the oil-gas separator. For the oil-gas separator with part of top ends without an inlet and an outlet, piston cylinders of a third cylinder 9 and a fourth cylinder 10 extend out to be detected, and meanwhile, the oil-gas separator is fixed by a fixing device 20.
Before the detection operation, the test bed is debugged. The oil-gas separator is placed on the positioning column 6 on the fixture 5, the height of the inner cylinder 262 is adjusted, so that the buffer rubber head 21 abuts against the oil-gas separator, and then the locking bolt 263 is locked so as to fix the inner cylinder 262 and the outer cylinder 261. And starting the driving device 4, so that the clamp 5 moves to the detection workbench 1, the positions of the first cylinder 7, the second cylinder 8, the third cylinder 9 and the fourth cylinder 10 are adjusted, and when piston rods of the four cylinders extend out, the detection heads 11 can abut against the inlet and outlet of the corresponding oil-gas separator. And after debugging is completed, detecting the product.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Claims (10)
1. The multi-kinetic energy detection test bed for the oil-gas separator is characterized by comprising a detection workbench (1), a preparation workbench (2), a linear guide rail (3) and a driving device (4), wherein the detection workbench (1) and the preparation workbench (2) are integrally formed, one end of the linear guide rail (3) is arranged on the preparation workbench (2), the other end of the linear guide rail is arranged on the detection workbench (1), a clamp (5) is arranged on the linear guide rail (3), the driving device (4) is connected with the clamp (5) and is used for controlling the clamp (5) to move on the linear guide rail (3), a plurality of positioning columns (6) are arranged on the clamp (5), a first cylinder (7), a second cylinder (8), a third cylinder (9) and a fourth cylinder (10) are arranged on the detection workbench (1), the first air cylinder (7) is erected on the detection workbench (1), the first air cylinder (7) is movable along a semi-circle circumference on a vertical plane vertical to the linear guide rail (3) and the piston rod faces towards the linear guide rail (3), the second air cylinder (8) is erected on the detection workbench (1) and is positioned above the linear guide rail (3) and the piston rod is vertically downward, the third air cylinder (9) is positioned on the left side of the linear guide rail (3) and the piston rod faces towards the linear guide rail (3) and is vertical to the extension direction of the linear guide rail (3), the fourth air cylinder (10) is positioned on the rear side of the linear guide rail (3) and the piston rod faces towards the linear guide rail (3) and is parallel to the extension direction of the linear guide rail (3), and the first air cylinder (7), the second air cylinder (8), the third air cylinder (9) and the piston rod of the fourth air cylinder (10) are respectively provided with a detection head (11), each detection head (11) is externally connected with a pressure detection device (12).
2. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 1, wherein an arch-shaped connecting piece (13) is arranged on the detection workbench (1), an arc-shaped through hole (14) is formed in the arch-shaped connecting piece (13), a locking handle (15) is connected to the first cylinder (7) in a threaded mode, a threaded end of the locking handle (15) penetrates through the arc-shaped through hole (14) to be connected with the first cylinder (7), and a piston rod of the first cylinder (7) faces towards the inner side of the arch-shaped connecting piece (13).
3. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 2, wherein the two side bottom ends of the arched connecting piece (13) are respectively provided with a first long hole (16), each first long hole (16) is horizontally arranged, and the length direction of each first long hole is parallel to the moving direction of the linear guide rail (3).
4. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 1, wherein four upright columns (17) are arranged on the detection workbench (1), a transverse plate (18) is arranged at the top ends of the upright columns (17), a connecting plate (19) is arranged at the bottom end of the transverse plate (18), and the second cylinder (8) is arranged on the connecting plate (19).
5. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 4, wherein two fixing devices (20) are detachably arranged on the transverse plate (18).
6. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 5, wherein the fixing device (20) comprises a fifth cylinder (201) and a fixing rod (202), the fifth cylinder (201) is vertically arranged on the transverse plate (18), the fixing rod (202) is connected with a piston rod of the fifth cylinder (201) and penetrates through the transverse plate (18) to be downwards arranged, and a buffer rubber head (21) is arranged at the lower end of the fixing rod (202).
7. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 1, wherein a first connecting piece (22) is arranged on the detection workbench (1), the first connecting piece (22) is L-shaped, a second long hole (23) is arranged at the horizontal end of the L-shape, the second long hole (23) is horizontally arranged, the length direction of the second long hole is parallel to the moving direction of the linear guide rail (3), and the third cylinder (9) is arranged on the first connecting piece (22).
8. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 1, wherein a second connecting piece (24) is arranged on the detection workbench (1), the second connecting piece (24) is L-shaped, a third long hole (25) is arranged at the horizontal end of the L-shape, the third long hole (25) is horizontally arranged, the length direction of the third long hole is parallel to the moving direction of the linear guide rail (3), and the fourth cylinder (10) is arranged on the second connecting piece (24).
9. The multifunctional energy detection test bed for the oil-gas separator as claimed in claim 1, wherein a support structure (26) is arranged on the clamp (5), the support structure (26) comprises an outer cylinder (261), an inner cylinder (262) and a locking bolt (263), a strip-shaped through hole (264) is vertically arranged on the hollow peripheral wall of the outer cylinder (261), a handle (265) is arranged on the inner cylinder (262), the inner cylinder (262) is movably inserted into the outer cylinder (261), the handle (265) penetrates through the strip-shaped through hole (264) and is positioned outside the outer cylinder (261), the locking bolt (263) is arranged on the peripheral wall of the outer cylinder (261) and penetrates through the outer cylinder (261), and a buffer rubber head (21) is further arranged on the top surface of the inner cylinder (262).
10. A detection method of the multi-kinetic energy detection test bed for the oil-gas separator according to any one of claims 1 to 9, characterized by comprising the following steps,
s1, placing the oil-gas separator on a positioning column (6) on the clamp (5);
s2, starting the driving device (4), driving the clamp (5) through the driving device (4) and moving the clamp (5) to the detection workbench (1);
s3, piston rods of a first cylinder (7), a second cylinder (8), a third cylinder (9) and a fourth cylinder (10) extend out, and a detection head (11) abuts against an inlet and an outlet of the oil-gas separator;
s4, performing positive pressure detection by pressure detection equipment (12) to detect the air tightness of the oil-gas separator;
s5, negative pressure detection is carried out by the pressure detection device (12), and closing and opening pressures of the PCV valve in the oil separator are detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110458789.5A CN113252256B (en) | 2021-04-27 | 2021-04-27 | Multi-kinetic energy detection test bed for oil-gas separator and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110458789.5A CN113252256B (en) | 2021-04-27 | 2021-04-27 | Multi-kinetic energy detection test bed for oil-gas separator and detection method |
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| CN113252256A true CN113252256A (en) | 2021-08-13 |
| CN113252256B CN113252256B (en) | 2023-02-10 |
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Cited By (2)
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| CN115371980A (en) * | 2022-10-24 | 2022-11-22 | 四川新川航空仪器有限责任公司 | Three-phase eddy current separator performance evaluation test equipment with attitude simulation function |
| CN115524111A (en) * | 2022-10-24 | 2022-12-27 | 四川新川航空仪器有限责任公司 | Attitude simulation mechanism for oil-gas separation performance evaluation test |
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| CN101876542A (en) * | 2009-04-28 | 2010-11-03 | 沈阳新松机器人自动化股份有限公司 | Detecting machine for detecting friction plate group assembly of automatic shift gearbox brake |
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| CN115524111B (en) * | 2022-10-24 | 2023-08-18 | 四川新川航空仪器有限责任公司 | Gesture simulation mechanism for oil-gas separation performance evaluation test |
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| CN113252256B (en) | 2023-02-10 |
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