CN111076007B - Flexible connection pipeline for oil-cold compressor and detection method - Google Patents
Flexible connection pipeline for oil-cold compressor and detection method Download PDFInfo
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- CN111076007B CN111076007B CN201911269311.7A CN201911269311A CN111076007B CN 111076007 B CN111076007 B CN 111076007B CN 201911269311 A CN201911269311 A CN 201911269311A CN 111076007 B CN111076007 B CN 111076007B
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- wedge
- half body
- flexible connecting
- detection
- control module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L31/00—Arrangements for connecting hoses to one another or to flexible sleeves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0337—Noise absorbers by means of a flexible connection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/806—Pipes for fluids; Fittings therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
Abstract
The invention discloses a flexible connecting pipeline for an oil cooling compressor and a detection method, the flexible connecting pipeline comprises a flexible connecting pipeline connected to the oil cooling compressor, the flexible connecting pipeline comprises a plurality of pipelines and a flexible connecting assembly used for pipeline connection, the flexible connecting assembly comprises a flexible connecting ring and a fixed pipe sleeved on the flexible connecting ring, elastic folded edges are arranged at two ends of the flexible connecting ring in the radial direction, the fixed pipe comprises a left half body and a right half body, a gap is arranged between the left half body and the right half body, wedge blocks matched through inclined planes are connected to the left half body and the right half body respectively, the flexible connecting pipeline also comprises an adjusting assembly used for adjusting the positions of the wedge blocks to change the distance between the left half body and the right half body, the flexible folded edges can be extruded to different degrees through the adjusting assembly to realize accurate and long-time stable connection, and the overall reliability.
Description
Technical Field
The invention relates to a flexible connecting pipeline for an oil-cold compressor and a detection method.
Background
The compressor mainly provides original power for industrial production, comprises an air compressor, a process compressor, a refrigerant compressor and the like, is applied to the fields of industrial automation, traffic braking, energy chemical engineering, refrigeration and air conditioning and the like, and is indispensable equipment in modern industry. The compressor can produce great heat at the operation in-process, needs heat radiation structure for guaranteeing normal operating, takes screw compressor as an example, and screw compressor has structural style such as forced air cooling, water-cooling, oil cooling.
Because the oil cooling heat dissipation is more even and efficient, adopt the oil cooling heat dissipation under the higher circumstances of operational environment temperature height and power mostly, but because the direct and compressor contact of oil cooling heat radiation structure can transmit vibrations, and can produce great vibrations when the compressor starts and stops, the last connecting line of oil cooling heat radiation structure all can produce great vibrations promptly, make compressor and casing all have great noise, and vibrations can strengthen the oil leak possibility of tube coupling department, reduce the overall reliability of product, and the condition of oil leak is difficult to in time discover.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a flexible connection pipeline for an oil-cooled compressor and a control method, which can reduce the whole noise and reduce the vibration transmission through flexible connection, can detect a flexible connection structure and increase the whole reliability.
The technical scheme includes that the flexible connecting pipeline for the oil cooling compressor comprises a flexible connecting pipeline connected to the oil cooling compressor, the flexible connecting pipeline comprises a plurality of pipelines and a flexible connecting assembly used for pipeline connection, the flexible connecting assembly comprises a flexible connecting ring and a fixed pipe sleeved on the flexible connecting ring, elastic folded edges are arranged at two ends of the flexible connecting ring in the radial direction, the fixed pipe comprises a left half body and a right half body, a gap is arranged between the left half body and the right half body, wedge blocks matched through inclined planes are connected to the left half body and the right half body respectively, and the flexible connecting pipeline further comprises an adjusting assembly used for adjusting the positions of the wedge blocks to change the distance between the left half body and the right half body.
Preferably, annular step surfaces which are abutted against the end parts of the flexible connecting rings are arranged at two ends of the fixing pipe, and the annular step surfaces are arranged on the left half body and the right half body respectively.
Preferably, the adjusting assembly comprises a bolt passing through the two wedge blocks and a nut matched with the bolt.
Preferably, the adjusting component comprises a stud penetrating through the two wedge-shaped blocks and a rotating part in threaded fit with two ends of the stud, and the rotating part is connected with a power part for driving the rotating part to rotate along one direction.
Preferably, the wedge-shaped block positioning device further comprises a control module for controlling the power part to operate and a detection part for detecting the relative displacement between the two wedge-shaped blocks, and the control module receives and records the numerical value of the detection part.
After adopting the structure, compared with the prior art, the flexible connecting pipeline for the oil-cooled compressor has the following advantages: form a structure that can communicate two pipelines through flexible coupling assembling, and two pipelines can not contradict mutually, can reduce the transmission of most vibrations and reduce the noise, and through fixed pipe include that left half body and right half body extrude elasticity hem and make sealed stable to realize accurate long-time stable connection through the flexible hem of extrusion that adjusting part can not the equidimension, increase overall reliability.
Another technical solution of the present invention is to provide a method for detecting a flexible connection pipeline for an oil-cooled compressor, including the above flexible connection pipeline for an oil-cooled compressor, characterized in that: comprises the following steps
The control module inputs the positions of the maximum value and the minimum value of the relative distance between the two wedge-shaped blocks in advance;
the control module sends an instruction to enable the adjusting component to drive the wedge block to move from the position of the maximum relative distance between the two wedge blocks to the position of the minimum relative distance between the two wedge blocks;
the control module sends an instruction to stop the adjusting assembly, the two wedge-shaped blocks are relatively far away from each other due to the elasticity of the elastic edgefolds and finally stop, and the detection piece records the relative distance of the two wedge-shaped blocks after the two wedge-shaped blocks are static and sends a detection value to the control module;
the control module receives the detection value and compares the detection value with a preset threshold value, the detection value is larger than the threshold value, the detection is passed, the detection value is smaller than the threshold value, the detection is not passed, and an alarm is sent.
After the structure is adopted, compared with the prior art, the method for detecting the flexible connecting pipeline for the oil-cooled compressor has the following advantages: the method comprises the steps of inputting the maximum value and the minimum value of the relative distance between the two wedge-shaped blocks, ensuring that the movement of the two wedge-shaped blocks is kept in a controllable range, ensuring the normal use of the elastic folding edge, and completing the maximum compression in the controllable range of the elastic folding edge when the adjusting assembly drives the wedge-shaped blocks to move from the maximum value of the relative distance between the two wedge-shaped blocks to the minimum value of the relative distance between the two wedge-shaped blocks, wherein the relative distance between the two wedge-shaped blocks after the two wedge-shaped blocks are static is recorded by the detecting piece and a detected value is sent to the control module, so that the rebound quantity of the elastic folding edge is fed back, namely the residual life of the elastic folding edge can be reflected through the rebound quantity, namely whether the elastic folding edge meets the working requirement can be detected through the preset threshold value comparison, the flexible connecting assembly can be detected before starting.
Drawings
Fig. 1 is a schematic view of the structure of an oil-cooled compressor of the present invention.
Fig. 2 is a schematic structural diagram of the flexible connecting pipeline of the invention.
Fig. 3 is an exploded view of the structure of the flexible connection assembly of the present invention.
FIG. 4 is a first schematic view of a flexible connection assembly of the present invention.
FIG. 5 is a second schematic structural view of a flexible connection assembly of the present invention.
Shown in the figure: 1. an oil-cooled compressor; 2. a flexible connection pipeline; 21. a pipeline; 22. a flexible connection assembly; 221. a flexible connecting ring; 222. elastic edge folding; 223. a fixed tube; 3. a wedge block; 4. a detection member; 5. an adjustment assembly; 51. a stud; 52. and a rotating member.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, 2, 3, 4 and 5, the flexible connecting pipeline for an oil-cooled compressor of the present invention includes a flexible connecting pipeline 2 connected to an oil-cooled compressor 1, the flexible connecting pipeline 2 includes a plurality of pipes 21 and a flexible connecting assembly 22 for connecting the pipes 21, the flexible connecting assembly 22 includes a flexible connecting ring 221 and a fixed pipe 223 sleeved on the flexible connecting ring 221, two ends of the flexible connecting ring 221 are radially and inwardly provided with elastic folding edges 222, the fixed pipe 223 includes a left half body and a right half body, a gap is provided between the left half body and the right half body, the left half body and the right half body are both connected with wedge blocks 3 matched through inclined planes, the flexible connecting assembly 22 further includes an adjusting assembly 5 for adjusting the positions of the wedge blocks 3 to change the distance between the left half body and the right half body, a structure capable of communicating the two pipelines is formed, and two pipelines can not contradict each other, can reduce the transmission of most vibrations and reduce the noise, and through fixed pipe 223 include that left half body and right half body extrude elasticity hem 222 and make sealed stable to can not the flexible hem realization accurate long-time stable connection of degree of difference through adjusting part 5, increase overall reliability.
The two ends of the fixed pipe 223 are respectively provided with an annular step surface which is abutted against the end part of the flexible connecting ring 221, the annular step surfaces are respectively arranged on the left half body and the right half body, so that the annular extrusion of the annular step surfaces can be realized, the up-and-down extrusion can be completed at the same time, the sealing effect can be increased,
the adjusting assembly 5 comprises a bolt penetrating through the two fixed half rings and a nut matched with the bolt, the bolt and the nut can be stably fixed and can be directly rotated manually or mechanically, for example, the nut is directly welded with the rotating part 52, the bolt and the fixed ring are circumferentially limited, or vice versa. Adjusting part 5 including the double-screw bolt 51 and the rotation piece 52 of screw-thread fit at double-screw bolt 51 both ends that pass two wedge 3, rotation piece 52 be connected with the drive and rotate piece 52 along a direction pivoted power spare, realize extrudeing two wedge 3 through rotating piece 52 promptly, simple structure is reliable, supply double-screw bolt 51 to pass in two wedge 3 and can be waist type hole, power spare can be the motor, the motor is fixed in the casing, power such as motor can be controlled through the bus.
The device is characterized by further comprising a control module for controlling the power part to operate and a detection part 4 for detecting the relative displacement between the two wedge-shaped blocks 3, wherein the control module receives and records the numerical value of the detection part 4, the detection part 4 can be two groups of independent distance sensors for respectively detecting the moving distance of the two wedge-shaped blocks 3, and then the relative displacement of the two wedge-shaped blocks 3 can be obtained through simple superposition, so that the relative distance of the two wedge-shaped blocks 3 can be obtained. The distance sensor can be an infrared sensor, and the control module is based on an STC89C52 single-chip microcomputer.
A method for detecting a flexible connection pipeline for an oil-cooled compressor comprises the flexible connection pipeline for the oil-cooled compressor, and is characterized in that: comprises the following steps
The control module inputs the positions of the maximum value and the minimum value of the relative distance between the two wedge-shaped blocks 3 in advance;
the control module sends an instruction to enable the adjusting component 5 to drive the wedge-shaped block 3 to move from the position of the maximum value of the relative distance between the two wedge-shaped blocks 3 to the position of the minimum value of the relative distance between the two wedge-shaped blocks 3;
the control module sends an instruction to enable the adjusting assembly 5 to stop working, the two wedge-shaped blocks 3 are relatively far away from each other due to the elastic force of the elastic folding edges 222 and finally stop, and the detecting piece 4 records the relative distance of the two wedge-shaped blocks 3 after the two wedge-shaped blocks are static and sends a detected value to the control module;
the control module receives the detection value and compares the detection value with a preset threshold value, the detection value is larger than the threshold value, the detection is passed, the detection value is smaller than the threshold value, the detection is not passed, and an alarm is sent.
The movement of the two wedge-shaped blocks 3 is ensured to be kept in a controllable range by inputting the position of the maximum value and the position of the minimum value of the relative distance between the two wedge-shaped blocks 3, the normal use of the elastic folding edge 222 is ensured, when the adjusting component 5 drives the wedge-shaped blocks 3 to move from the position of the maximum value of the relative distance between the two wedge-shaped blocks 3 to the position of the minimum value of the relative distance between the two wedge-shaped blocks 3, the maximum compression in the controllable range of the elastic folding edge 222 is completed, the detection component 4 records the relative distance between the two wedge-shaped blocks 3 after being static and sends a detection value to the control module, the feedback of the resilience amount of the elastic folding edge 222 is realized, namely, the residual life of the elastic folding edge 222 can be reflected through the resilience amount, namely, whether the elastic folding edge 222 meets the working requirement can be detected through the preset threshold value comparison, the flexible connecting component 22 can be, maintenance is avoided.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (1)
1. A detection method of a soft connecting pipeline for an oil-cooled compressor is provided, the soft connecting pipeline (2) comprises a soft connecting pipeline (2) connected with the oil-cooled compressor (1), the soft connecting pipeline (2) comprises a plurality of pipelines (21) and a flexible connecting component (22) for connecting the pipelines (21), the flexible connecting component (22) comprises a flexible connecting ring (221) and a fixed pipe (223) sleeved on the flexible connecting ring (221), the two ends of the flexible connecting ring (221) are provided with elastic folded edges (222) inwards along the radial direction, the fixed pipe (223) comprises a left half body and a right half body, a gap is arranged between the left half body and the right half body, the left half body and the right half body are both connected with wedge blocks (3) matched through inclined planes, and the device also comprises an adjusting component (5) for adjusting the positions of the wedge blocks (3) to change the distance between the left half body and the right half body;
the adjusting assembly (5) comprises a stud (51) penetrating through the two wedge-shaped blocks (3) and rotating pieces (52) in threaded fit with the two ends of the stud (51), and the rotating pieces (52) are connected with power pieces for driving the rotating pieces (52) to rotate along one direction;
the wedge-shaped block positioning device further comprises a control module for controlling the power part to operate and a detection part (4) for detecting the relative displacement between the two wedge-shaped blocks (3), wherein the control module receives and records the numerical value of the detection part (4);
the method is characterized in that: the method comprises the following steps:
the control module inputs the positions of the maximum value and the minimum value of the relative distance between the two wedge-shaped blocks (3) in advance;
the control module sends an instruction to enable the adjusting component (5) to drive the wedge-shaped block (3) to move from the position of the maximum value of the relative distance between the two wedge-shaped blocks (3) to the position of the minimum value of the relative distance between the two wedge-shaped blocks (3);
the control module sends an instruction to enable the adjusting assembly (5) to stop working, the two wedge-shaped blocks (3) are relatively far away due to the elasticity of the elastic folding edge (222) and finally stop, and the detection piece (4) records the relative distance of the two wedge-shaped blocks (3) after being static and sends a detection value to the control module;
the control module receives the detection value and compares the detection value with a preset threshold value, the detection value is larger than the threshold value, the detection is passed, the detection value is smaller than the threshold value, the detection is not passed, and an alarm is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269311.7A CN111076007B (en) | 2019-12-11 | 2019-12-11 | Flexible connection pipeline for oil-cold compressor and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269311.7A CN111076007B (en) | 2019-12-11 | 2019-12-11 | Flexible connection pipeline for oil-cold compressor and detection method |
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| Publication Number | Publication Date |
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| CN111076007A CN111076007A (en) | 2020-04-28 |
| CN111076007B true CN111076007B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911269311.7A Active CN111076007B (en) | 2019-12-11 | 2019-12-11 | Flexible connection pipeline for oil-cold compressor and detection method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189000B (en) * | 1986-04-11 | 1989-11-22 | Peart E & Co Ltd | A pipe repair or jointing collar |
| CN1085298A (en) * | 1992-08-26 | 1994-04-13 | E·克劳兹 | Clamping and coupling means |
| US5772253A (en) * | 1996-03-05 | 1998-06-30 | Avk Manufacturing Limited | Pipe repair or jointing collar |
| CN201662432U (en) * | 2010-03-30 | 2010-12-01 | 鞍钢股份有限公司 | Three-dimensional vernier device |
| KR101011018B1 (en) * | 2010-10-06 | 2011-01-26 | (주)홍일산업 | Water supply and drainage pipe |
| CN203543175U (en) * | 2013-10-23 | 2014-04-16 | 宁波大学 | Adjusting device for connection rod length of press |
| CN203594654U (en) * | 2013-11-23 | 2014-05-14 | 芜湖德力电机有限公司 | Anti-skidding locking device |
| KR101501704B1 (en) * | 2014-10-13 | 2015-03-12 | 알루텍 (주) | Pipe Connecting Apparatus |
| CN105202290A (en) * | 2015-09-18 | 2015-12-30 | 汪清明 | Automatic control connector connection locking device for municipal greening water supply hose |
| CN108323860A (en) * | 2018-05-14 | 2018-07-27 | 广东省特种设备检测研究院惠州检测院 | A kind of inspection shoes of adjust automatically angle |
| CN208295294U (en) * | 2018-01-26 | 2018-12-28 | 河南沃德智能化工程有限公司 | Irrigate terminal drinking-water pipe anti-shedding mechanism |
-
2019
- 2019-12-11 CN CN201911269311.7A patent/CN111076007B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189000B (en) * | 1986-04-11 | 1989-11-22 | Peart E & Co Ltd | A pipe repair or jointing collar |
| CN1085298A (en) * | 1992-08-26 | 1994-04-13 | E·克劳兹 | Clamping and coupling means |
| US5772253A (en) * | 1996-03-05 | 1998-06-30 | Avk Manufacturing Limited | Pipe repair or jointing collar |
| CN201662432U (en) * | 2010-03-30 | 2010-12-01 | 鞍钢股份有限公司 | Three-dimensional vernier device |
| KR101011018B1 (en) * | 2010-10-06 | 2011-01-26 | (주)홍일산업 | Water supply and drainage pipe |
| CN203543175U (en) * | 2013-10-23 | 2014-04-16 | 宁波大学 | Adjusting device for connection rod length of press |
| CN203594654U (en) * | 2013-11-23 | 2014-05-14 | 芜湖德力电机有限公司 | Anti-skidding locking device |
| KR101501704B1 (en) * | 2014-10-13 | 2015-03-12 | 알루텍 (주) | Pipe Connecting Apparatus |
| CN105202290A (en) * | 2015-09-18 | 2015-12-30 | 汪清明 | Automatic control connector connection locking device for municipal greening water supply hose |
| CN208295294U (en) * | 2018-01-26 | 2018-12-28 | 河南沃德智能化工程有限公司 | Irrigate terminal drinking-water pipe anti-shedding mechanism |
| CN108323860A (en) * | 2018-05-14 | 2018-07-27 | 广东省特种设备检测研究院惠州检测院 | A kind of inspection shoes of adjust automatically angle |
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| Publication number | Publication date |
|---|---|
| CN111076007A (en) | 2020-04-28 |
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Effective date of registration: 20230113 Address after: 337000 area a, Lianhua Industrial Park, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Yingsai Compressor Co.,Ltd. Address before: 337100 B District, Lianhua County Industrial Park, Pingxiang, Jiangxi Patentee before: JIANGXI FENGSHI COMPRESSOR CO.,LTD. |
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