CN109708609B - Device and method for detecting internal deformation and stress of compressor - Google Patents
Device and method for detecting internal deformation and stress of compressor Download PDFInfo
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- CN109708609B CN109708609B CN201910112417.XA CN201910112417A CN109708609B CN 109708609 B CN109708609 B CN 109708609B CN 201910112417 A CN201910112417 A CN 201910112417A CN 109708609 B CN109708609 B CN 109708609B
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- 238000001514 detection method Methods 0.000 claims abstract description 8
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention discloses a device for detecting the internal deformation and stress of a compressor, which comprises a left thrust piece pressure seat, a middle thrust piece pressure seat, a right thrust piece pressure seat, a pressure transmitter and a controller, wherein the left thrust piece pressure seat, the middle thrust piece pressure seat and the right thrust piece pressure seat are all stepped cylinders, the left thrust piece pressure seat comprises a cylinder I, a cylinder II and a cylinder III, a mounting hole I and a mounting hole II are axially formed in the three end surfaces of the cylinder I and the cylinder III, the pressure transmitter is arranged in the mounting hole II, the middle thrust piece pressure seat is arranged in the mounting hole I, the middle thrust piece pressure seat comprises a cylinder IV and a cylinder V, the right thrust piece pressure seat comprises a cylinder six and a cylinder seven, a positioning hole is formed in the middle position of the end surface of the cylinder six, and the right thrust piece pressure seat is sleeved on the cylinder V through the positioning hole. Meanwhile, the detection method is disclosed, so that the deformation (C value) can be rapidly and accurately detected, and the internal stress of the compressor can be effectively ensured to be in a normal range.
Description
Technical Field
The invention relates to a device and a method for detecting deformation and stress, in particular to a device and a method for detecting the deformation and the stress in a compressor.
Background
The automobile air conditioner compressor is a heart of an automobile air conditioner refrigerating system and plays a role in compressing and conveying refrigerant steam. Therefore, the processing quality and the assembly quality of the automobile air conditioner compressor are particularly paid attention to, and the service performance of the automobile air conditioner compressor is ensured. In the aspect of assembly, because the automobile compressor shell is made of aluminum alloy materials, the automobile compressor shell can generate larger deformation after being screwed up by bolts, and therefore, the internal deformation and stress conditions of the assembled components such as the automobile air conditioner compressor cylinder body, the cylinder cover and the like in each batch are required to be controlled. At present, no specific detection equipment is used for detection, a fixed deformation amount (C value) is set according to experience, and then the compressor is assembled directly according to the deformation amount (C value), so that uncertainty factors cannot be eliminated, and the stress cannot be ensured to be in a normal range. When the stress is too large, the service life of the plane bearing and the abrasion of the small end face of the cylinder body cannot be ensured, and the abnormal abrasion of the plane bearing scatter rack and the small end face of the cylinder body is often caused; when the stress is too small, the noise of the automobile air conditioner compressor cannot be effectively controlled, so that the performance fluctuation among batches of products is large, and the stability of the quality of each batch of products cannot be ensured.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the device for detecting the deformation and the stress in the compressor, which has simple and reasonable structure and simple and convenient operation, can not only rapidly and accurately measure the deformation (C value), but also effectively ensure that the stress in the compressor is in a normal range and ensure the stability of the quality of each batch of products.
In order to achieve the above purpose, the invention adopts the following technical scheme: the device for detecting the deformation and stress in the compressor comprises a left thrust piece pressure seat, a middle thrust piece pressure seat, a right thrust piece pressure seat, a pressure transmitter and a controller, wherein the left thrust piece pressure seat, the middle thrust piece pressure seat and the right thrust piece pressure seat are all stepped cylinders, the left thrust piece pressure seat sequentially comprises a cylinder I, a cylinder II and a cylinder III from left to right, the diameters of the end surfaces of the cylinder I, the cylinder II and the cylinder III are sequentially increased, a circular positioning groove I is formed in the side surface of the cylinder I, which is close to the end surface of the cylinder II, along the circumferential direction, a mounting hole I and a mounting hole II are sequentially formed in the end surface of the cylinder III from right to left along the axial direction, the central lines of the mounting hole I, the mounting hole II and the left thrust piece pressure seat are on the same straight line, the pressure transmitter is arranged in the second mounting hole and is matched with the second mounting hole in shape and size, the pressure transmitter is connected with the controller, the first mounting hole is internally provided with a middle thrust piece pressure seat, the middle thrust piece pressure seat sequentially comprises a cylinder IV and a cylinder V from left to right, the cylinder IV is embedded in the first mounting hole, the diameter of the end face of the cylinder IV is larger than that of the end face of the cylinder V, a circular ring-shaped mounting groove is formed in the end face of the cylinder IV along the side face of the cylinder V in a circle, the right thrust piece pressure seat sequentially comprises a cylinder VI and a cylinder VI from left to right, the diameter of the end face of the cylinder VI is larger than that of the cylinder VI, a positioning hole is formed in the middle position of the end face of the cylinder VI, the right thrust piece pressure seat is sleeved on the cylinder five through the positioning hole, and a circular positioning groove II is formed in the side face of the cylinder seven, which is close to the end face of the cylinder six, along the circumferential direction.
The method for detecting the internal deformation and stress of the compressor is used in cooperation with parts on the compressor, and the parts of the compressor comprise a standard thrust piece, a plane bearing, an adjusting thrust piece, a front cylinder body, a front valve plate assembly, a front cylinder cover, a rear cylinder body, a rear valve plate assembly and a rear cylinder cover, and specifically comprises the following steps:
step one: firstly, a first cylinder of a left thrust piece pressure seat is sequentially sleeved with a standard thrust piece, a plane bearing and an adjusting thrust piece, the standard thrust piece is positioned in a first circular positioning groove, and then a seventh cylinder of a right thrust piece pressure seat is sequentially sleeved with the standard thrust piece, the plane bearing and the adjusting thrust piece, and the standard thrust piece is positioned in a second circular positioning groove;
step two: on the basis of the first step, measuring the distance between two adjusting thrust pieces by using a distance sensor, and marking the distance as L;
step three: measuring the depth from the joint surface to the small end surface on the front cylinder body of the compressor to be detected by using a distance sensor, marking the depth as A, measuring the depth from the joint surface to the small end surface on the rear cylinder body of the compressor to be detected by using the distance sensor, marking the depth as B, and finally calculating the value of A+B-L;
step four: adjusting the thickness of one or two thrust plates according to the value calculated in the third step to enable the value of A+B-L to be zero;
step five: on the basis of the fourth step, a front cylinder body is firstly arranged on a left thrust piece pressure seat, a front valve plate assembly is arranged on the front cylinder body, a front cylinder cover is arranged on the front valve plate assembly, then a rear cylinder body is arranged on a right thrust piece pressure seat, a rear valve plate assembly is arranged on the rear cylinder body, a rear cylinder cover is arranged on the rear valve plate assembly, and a lead wire of a pressure transmitter is led out from a piston hole, the rear valve plate assembly and a rear cylinder cover exhaust hole in sequence, so that the lead wire is connected with a controller, and finally a long bolt penetrates into an installation hole;
step six: on the basis of the fifth step, a controller power supply is connected, bolts on components such as a cylinder body, a cylinder cover and the like are screwed up by using a constant torque wrench, at the moment, the pressure F1 displayed on the controller is recorded, and the pressure F1 is compared with a normal stress range;
step seven: by contrast, if F1 is greater than the normal stress range, the thickness of one or both of the thrust pieces is reduced, so that the distance L between the two thrust pieces is reduced, and then the fifth step and the sixth step are sequentially repeated until F1 enters the next step in the normal stress range; if F1 is smaller than the normal stress range, increasing the thickness of one or two adjusting thrust pieces, so as to increase the distance L between the two adjusting thrust pieces, and then sequentially repeating the fifth step and the sixth step until F1 enters the next step in the normal stress range;
step eight: and step seven, measuring the distance L between the two adjusted thrust pieces after adjustment, calculating the value of A+B-L, and marking the value as a C value, wherein the C value is the deformation of the workpiece.
The invention has simple and reasonable structure and simple and convenient operation, replaces the swash plate shaft assembly of the compressor in formal assembly by using the detection device, reflects the stress condition inside the compressor in real time by simulating the actual condition of assembly, ensures that the stress condition inside the compressor is positioned in a normal stress range by adjusting the thickness of one or two thrust plates, and can calculate the deformation (C value) in the normal stress range at the moment. Therefore, the deformation (C value) can be measured rapidly and accurately, and the deformation (C value) can be applied to the batch of products for assembly without worry, so that the internal stress of the compressor is effectively ensured to be in a normal range, and the stability of the quality of each batch of products is ensured.
Drawings
FIG. 1 is a schematic diagram of an assembled structure of the detecting device of the present invention.
FIG. 2 is an assembled view of the detection device of the present invention.
FIG. 3 is a schematic view of the structure of the detecting device in the use state.
In the figure: 1-left thrust piece pressure seat, 2-middle thrust piece pressure seat, 3-right thrust piece pressure seat, 4-pressure transmitter, 5-controller, 6-cylinder I, 7-cylinder II, 8-cylinder III, 9-circular positioning groove I, 10-mounting hole I, 11-mounting hole II, 12-cylinder IV, 13-cylinder V, 14-circular ring-shaped mounting grooves, 15-circular cylinders six, 16-circular cylinders seven, 17-positioning holes, 18-circular ring-shaped positioning grooves two, 19-standard thrust pieces, 20-plane bearings, 21-adjusting thrust pieces, 22-front cylinder bodies, 23-front valve plate assemblies, 24-front cylinder covers, 25-rear cylinder bodies, 26-rear valve plate assemblies and 27-rear cylinder covers.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the present embodiment with reference to the accompanying drawings in the present embodiment.
As shown in fig. 1, 2 and 3, the invention discloses a device for detecting the internal deformation and stress of a compressor, which comprises a left thrust piece pressure seat 1, a middle thrust piece pressure seat 2, a right thrust piece pressure seat 3, a pressure transmitter 4 and a controller 5, wherein the left thrust piece pressure seat 1, the middle thrust piece pressure seat 2 and the right thrust piece pressure seat 3 are all stepped cylinders, the left thrust piece pressure seat 1 sequentially comprises a cylinder I6, a cylinder II 7 and a cylinder III 8 from left to right, the diameters of the end surfaces of the cylinder I6, the cylinder II 7 and the cylinder III 8 are sequentially increased, a circular ring-shaped positioning groove I9 is formed on the side surface of the cylinder I6 near the end surface of the cylinder II 7 along the circumferential direction, a mounting hole I10 and a mounting hole II 11 are sequentially formed on the end surface of the cylinder III 8 from right to left along the axial direction, the center lines of the mounting hole I10, the mounting hole II 11 and the left thrust piece pressure seat 1 are on the same straight line, the pressure transmitter 4 is arranged in the mounting hole II 11, the shape and the size of the pressure transmitter 4 and the mounting hole II 11 are consistent, the pressure transmitter 4 is connected with the controller 5, the mounting hole I10 is internally provided with the middle thrust piece pressure seat 2, the middle thrust piece pressure seat 2 sequentially comprises a cylinder IV 12 and a cylinder V13 from left to right, the cylinder IV 12 is embedded in the mounting hole I10, the end surface diameter of the cylinder IV 12 is larger than the end surface diameter of the cylinder V13, a circular ring-shaped mounting groove 14 is formed on the end surface of the cylinder IV 12 along the side surface of the cylinder V13 in a circle, the right thrust piece pressure seat 3 sequentially comprises a cylinder VI 15 and a cylinder VI 16 from left to right, the end surface diameter of the cylinder VI 15 is larger than the end surface diameter of the cylinder VI 16, a positioning hole 17 is formed in the middle position of the end surface of the cylinder VI 15, the right thrust piece pressure seat 3 is sleeved on the cylinder five 13 through a positioning hole 17, and a circular positioning groove two 18 is formed in the side surface of the cylinder seven 16, which is close to the end surface of the cylinder six 15, along the circumferential direction.
The method for detecting the internal deformation and stress of the compressor is used in cooperation with parts on the compressor, and the parts of the compressor comprise a standard thrust piece 19, a plane bearing 20, an adjusting thrust piece 21, a front cylinder body 22, a front valve plate assembly 23, a front cylinder cover 24, a rear cylinder body 25, a rear valve plate assembly 26 and a rear cylinder cover 27, and specifically comprises the following steps:
step one: firstly, a standard thrust piece 19, a plane bearing 20 and an adjusting thrust piece 21 are sleeved on a cylinder I6 of a left thrust piece pressure seat 1 in sequence, wherein the standard thrust piece 19 is positioned in a circular positioning groove I9, and then, the standard thrust piece 19, the plane bearing 20 and the adjusting thrust piece 21 are sleeved on a cylinder II 16 of a right thrust piece pressure seat 3 in sequence, and the standard thrust piece 19 is positioned in a circular positioning groove II 18;
step two: on the basis of the first step, the distance between the two adjusting thrust pieces 21 is measured by a distance sensor and is marked as L;
step three: measuring the depth from the joint surface to the small end surface on the front cylinder body 22 of the compressor to be detected by using a distance sensor, recording as A, measuring the depth from the joint surface to the small end surface on the rear cylinder body 25 of the compressor to be detected by using the distance sensor, recording as B, and finally calculating the value of A+B-L;
step four: adjusting the thickness of one or two adjusting thrust pieces 21 according to the value calculated in the third step to make the value of A+B-L be zero;
step five: on the basis of the fourth step, firstly, a front cylinder body 22 is arranged on a left thrust piece pressure seat 1, a front valve plate assembly 23 is arranged on the front cylinder body 22, a front cylinder cover 24 is arranged on the front valve plate assembly 23, then, a rear cylinder body 25 is arranged on a right thrust piece pressure seat 3, a rear valve plate assembly 26 is arranged on the rear cylinder body 25, a rear cylinder cover 27 is arranged on the rear valve plate assembly 26, and leads of a pressure transmitter 4 are led out from a piston hole, the rear valve plate assembly 26 and a rear cylinder cover 27 exhaust hole in sequence, so that the pressure transmitter is connected with a controller 5, and finally, a long bolt is penetrated into a mounting hole;
step six: on the basis of the fifth step, a power supply of the controller 5 is connected, bolts on components such as a cylinder body, a cylinder cover and the like are screwed up by using a constant torque wrench, at the moment, the pressure F1 displayed on the controller 5 is recorded, and the pressure F1 is compared with a normal stress range;
step seven: by contrast, if F1 is greater than the normal stress range, the thickness of one or both of the thrust pieces 21 is reduced, so that the distance L between the two thrust pieces 21 is reduced, and then the fifth step and the sixth step are sequentially repeated until F1 enters the next step in the normal stress range; if F1 is smaller than the normal stress range, increasing the thickness of one or two adjusting thrust pieces 21, so as to increase the distance L between the two adjusting thrust pieces 21, and then sequentially repeating the fifth step and the sixth step until F1 enters the next step in the normal stress range;
step eight: on the basis of the seventh step, the distance L between the two adjusted thrust pieces 21 is measured, and the value of a+b-L is calculated and is recorded as the value C, which is the deformation amount of the workpiece.
The invention has simple and reasonable structure and simple and convenient operation, replaces the swash plate shaft assembly of the compressor in formal assembly by using the detection device, reflects the stress condition inside the compressor in real time by simulating the actual condition of assembly, ensures that the stress condition inside the compressor is positioned in a normal stress range by adjusting the thickness of one or two thrust plates 21, and can calculate the deformation (C value) in the normal stress range at the moment. Therefore, the deformation (C value) can be measured rapidly and accurately, and the deformation (C value) can be applied to the batch of products for assembly without worry, so that the internal stress of the compressor is effectively ensured to be in a normal range, and the stability of the quality of each batch of products is ensured.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. 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.
Claims (1)
1. A method for detecting the internal deformation and stress of a compressor is characterized by comprising the following steps: the method needs to be matched with parts on a compressor for use during detection, the parts of the compressor comprise a standard thrust piece (19), a plane bearing (20), an adjusting thrust piece (21), a front cylinder body (22), a front valve plate assembly (23), a front cylinder cover (24), a rear cylinder body (25), a rear valve plate assembly (26) and a rear cylinder cover (27),
the detection device used in the detection method comprises a left thrust piece pressure seat (1), a middle thrust piece pressure seat (2), a right thrust piece pressure seat (3), a pressure transmitter (4) and a controller (5), wherein the left thrust piece pressure seat (1), the middle thrust piece pressure seat (2) and the right thrust piece pressure seat (3) are all stepped cylinders, the left thrust piece pressure seat (1) sequentially comprises a cylinder I (6), a cylinder II (7) and a cylinder III (8) from left to right, the diameters of the end surfaces of the cylinder I (6), the cylinder II (7) and the cylinder III (8) are sequentially increased, a circular positioning groove I (9) is formed in the side surface of the cylinder I (6) close to the end surface of the cylinder II (7) along the circumferential direction, a mounting hole I (10) and a mounting hole II (11) are sequentially formed in the end surface of the cylinder III (8) from right to left along the axial direction, the mounting hole I (10), the mounting hole II (11) and the left thrust piece pressure seat (1) are sequentially provided with a straight line II (11) on the center line, the same shape of the pressure transmitter (4) is connected with the pressure transmitter (4) in a straight line, the shape of the pressure transmitter is connected with the pressure transmitter (4), the mounting hole I (10) is internally provided with an intermediate thrust piece pressure seat (2), the intermediate thrust piece pressure seat (2) sequentially comprises a cylinder IV (12) and a cylinder V (13) from left to right, the cylinder IV (12) is embedded in the mounting hole I (10), the end face diameter of the cylinder IV (12) is larger than the end face diameter of the cylinder V (13), a circular ring-shaped mounting groove (14) is formed in the end face of the cylinder IV (12) along one circle of the side face of the cylinder V (13), the right thrust piece pressure seat (3) sequentially comprises a cylinder VI (15) and a cylinder VI (16) from left to right, the end face diameter of the cylinder VI (15) is larger than the end face diameter of the cylinder VI (16), a positioning hole (17) is formed in the middle position of the end face of the cylinder VI (15), the right thrust piece pressure seat (3) is sleeved on the cylinder V (13) through the positioning hole (17), and a circular ring-shaped groove (18) is formed in the side face of the cylinder VI (16) close to the end face of the cylinder VI) along the circumferential direction of the cylinder VI (18);
the method specifically comprises the following steps:
step one: firstly, a first cylinder (6) of a left thrust piece pressure seat (1) is sleeved with a standard thrust piece (19), a plane bearing (20) and an adjusting thrust piece (21) in sequence, wherein the standard thrust piece (19) is positioned in a first annular positioning groove (9), and then a seventh cylinder (16) of a right thrust piece pressure seat (3) is sleeved with the standard thrust piece (19), the plane bearing (20) and the adjusting thrust piece (21) in sequence, and the standard thrust piece (19) is positioned in a second annular positioning groove (18);
step two: on the basis of the first step, the distance between the two adjusting thrust pieces (21) is measured by a distance sensor and is marked as L;
step three: measuring the depth from the joint surface to the small end surface on the front cylinder body (22) of the compressor to be detected by using a distance sensor, marking the depth as A, measuring the depth from the joint surface to the small end surface on the rear cylinder body (25) of the compressor to be detected by using the distance sensor, marking the depth as B, and finally calculating the value of A+B-L;
step four: adjusting the thickness of one or two adjusting thrust pieces (21) according to the value calculated in the third step to enable the value of A+B-L to be zero;
step five: on the basis of the fourth step, a front cylinder body (22) is firstly arranged on a left thrust piece pressure seat (1), a front valve plate assembly (23) is arranged on the front cylinder body (22), a front cylinder cover (24) is arranged on the front valve plate assembly (23), a rear cylinder body (25) is arranged on a right thrust piece pressure seat (3), a rear valve plate assembly (26) is arranged on the rear cylinder body (25), a rear cylinder cover (27) is arranged on the rear valve plate assembly (26), and leads of a pressure transmitter (4) are led out from a piston hole, the rear valve plate assembly (26) and an exhaust hole of the rear cylinder cover (27) in sequence, so that the pressure transmitter is connected with a controller (5), and finally, a long bolt is penetrated into a mounting hole;
step six: on the basis of the fifth step, a power supply of the controller (5) is connected, bolts on the cylinder body and the cylinder cover member are screwed by using a constant torque wrench, at the moment, the pressure F1 displayed on the controller (5) is recorded, and the pressure F1 is compared with a normal stress range;
step seven: by contrast, if F1 is greater than the normal stress range, the thickness of one or both of the adjusting thrust pieces (21) is reduced, so that the distance L between the two adjusting thrust pieces (21) is reduced, and then the fifth step and the sixth step are sequentially repeated until F1 enters the next step in the normal stress range; if F1 is smaller than the normal stress range, increasing the thickness of one or two adjusting thrust pieces (21) so as to increase the distance L between the two adjusting thrust pieces (21), and then sequentially repeating the fifth step and the sixth step until F1 enters the next step in the normal stress range;
step eight: and step seven, measuring the distance L between the two adjusted thrust pieces (21), calculating the value of A+B-L, and marking the value as a C value, wherein the C value is the deformation of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112417.XA CN109708609B (en) | 2019-01-29 | 2019-01-29 | Device and method for detecting internal deformation and stress of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112417.XA CN109708609B (en) | 2019-01-29 | 2019-01-29 | Device and method for detecting internal deformation and stress of compressor |
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| Publication Number | Publication Date |
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| CN109708609A CN109708609A (en) | 2019-05-03 |
| CN109708609B true CN109708609B (en) | 2024-03-29 |
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Citations (6)
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| JP2004011455A (en) * | 2002-06-04 | 2004-01-15 | Sanden Corp | Compressor for vehicular air-conditioner |
| CN1584541A (en) * | 2004-06-01 | 2005-02-23 | 浙江大学 | Air-conditioner compressor performance testboard and testing method for vehicle based on PLC |
| CN204175563U (en) * | 2014-10-28 | 2015-02-25 | 广州市柏琳汽车零件制造有限公司 | Air conditioner for automobile compressor |
| CN104595150A (en) * | 2013-10-30 | 2015-05-06 | 上海三电贝洱汽车空调有限公司 | Variable-displacement oblique tray type compressor |
| CN206847567U (en) * | 2017-06-19 | 2018-01-05 | 中国地震局地壳应力研究所 | A kind of automatic rock soil device for detecting deformation |
| CN209279949U (en) * | 2019-01-29 | 2019-08-20 | 浙江春晖空调压缩机有限公司 | A kind of compressor internal modification amount and strained detection device |
-
2019
- 2019-01-29 CN CN201910112417.XA patent/CN109708609B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004011455A (en) * | 2002-06-04 | 2004-01-15 | Sanden Corp | Compressor for vehicular air-conditioner |
| CN1584541A (en) * | 2004-06-01 | 2005-02-23 | 浙江大学 | Air-conditioner compressor performance testboard and testing method for vehicle based on PLC |
| CN104595150A (en) * | 2013-10-30 | 2015-05-06 | 上海三电贝洱汽车空调有限公司 | Variable-displacement oblique tray type compressor |
| CN204175563U (en) * | 2014-10-28 | 2015-02-25 | 广州市柏琳汽车零件制造有限公司 | Air conditioner for automobile compressor |
| CN206847567U (en) * | 2017-06-19 | 2018-01-05 | 中国地震局地壳应力研究所 | A kind of automatic rock soil device for detecting deformation |
| CN209279949U (en) * | 2019-01-29 | 2019-08-20 | 浙江春晖空调压缩机有限公司 | A kind of compressor internal modification amount and strained detection device |
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| CN109708609A (en) | 2019-05-03 |
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