CN116678570B - Device and process for detecting performance of valve of refrigeration air conditioner pipeline - Google Patents
Device and process for detecting performance of valve of refrigeration air conditioner pipeline Download PDFInfo
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- CN116678570B CN116678570B CN202310709676.7A CN202310709676A CN116678570B CN 116678570 B CN116678570 B CN 116678570B CN 202310709676 A CN202310709676 A CN 202310709676A CN 116678570 B CN116678570 B CN 116678570B
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- 238000005057 refrigeration Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 title abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 131
- 230000000670 limiting effect Effects 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 210000001503 joint Anatomy 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 22
- 238000004378 air conditioning Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000003032 molecular docking Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
Classifications
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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
- G01M3/28—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to the technical field of valve performance detection, in particular to a device and a process for detecting the valve performance of a refrigerating air conditioner pipeline, wherein the device comprises a bottom base, and a U-shaped frame is fixedly connected to the bottom base; the limiting mechanisms are arranged at the lower end of the transverse section of the U-shaped frame, and are provided with a plurality of groups, and each group of limiting mechanisms is used for fixedly limiting the valve; the butt joint mechanisms are provided with a plurality of groups, each group is provided with three groups, and the butt joint mechanisms are respectively positioned at the front side and the rear side of the limiting mechanism and penetrate through the upper side of the limiting mechanism; lifting butt mechanism is provided with the multiunit, through the movable plate that sets up, gives the external pressure of the hollow pole of cylinder, increases the compactness that hollow pole of cylinder and valve are connected, through the buoyancy ball among the detection mechanism that sets up, observe the more objective change of observing of buoyancy ball after connecting, and lug connection is at the hollow pole's of cylinder the other end, need not the repeated time of consuming of putting into water of inspector, has reduced detection time.
Description
Technical Field
The invention relates to the technical field of valve performance detection, in particular to a device and a process for detecting valve performance of a refrigerating air conditioner pipeline.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, and adjusting and controlling the parameter temperature, pressure and flow of a conveying medium.
The valve is indispensable to the application of the valve in a refrigerating and air-conditioning pipeline, wherein a three-way valve for adding fluorine is arranged, the performance of the valve is required to be detected before delivery during the manufacturing and production of the valve, one of the three-way valve is detected as a valve which bears a certain pressure value under the condition of closing, and the tightness of the valve is maintained.
However, the existing sealing performance detection for the valve switch and the connection sealing performance after the valve connection is simulated, the detection tube at the joint of the valve often cannot bear the pressure value required by detection, the detection tube is easily sprung out in the detection process, normal detection cannot be carried out, a certain danger exists when the detection tube is sprung out, and the detection difficulty is increased; in addition, the existing valve which is well communicated is pressurized and ventilated and immersed in water frequently to observe the air leakage, but the valve is repeatedly immersed in water, and the small bubbles can be observed only by waiting for the valve to calm in water.
Disclosure of Invention
The invention provides a valve performance detection device, which aims to solve the problems of pressure resistance and observation of valve performance detection in the related technology.
The invention provides a refrigerating air conditioner pipeline valve performance detection device, which comprises a bottom base, wherein a U-shaped frame is fixedly connected to the bottom base; the limiting mechanisms are arranged at the lower end of the transverse section of the U-shaped frame, and are provided with a plurality of groups, and each group of limiting mechanisms is used for fixedly limiting the valve; the butt joint mechanisms are provided with a plurality of groups, each group is provided with three groups, and the butt joint mechanisms are respectively positioned at the front side and the rear side of the limiting mechanism and penetrate through the upper side of the limiting mechanism; the lifting abutting mechanisms are provided with a plurality of groups, each group is correspondingly arranged at the lower end of the limiting mechanism and is positioned at the upper end of the bottom base, the lifting abutting mechanisms are provided with sliding racks together, and the left side and the right side of each sliding rack are arranged in square grooves formed in the vertical section of the U-shaped frame in a sliding manner; the pressurizing mechanism is arranged at the upper end of the transverse section of the U-shaped frame in a sliding manner; the detection mechanisms are provided with a plurality of groups, each group is provided with two detection mechanisms, the detection mechanisms are respectively positioned at the front side and the rear side of the limiting mechanism, and the detection mechanisms are all arranged in grooves formed in the base seat in a sliding manner; the driving belt is provided with two groups, a plurality of detection mechanisms positioned at the front side of the limiting mechanism are connected with one group of driving belt together, and a plurality of detection mechanisms positioned at the rear side of the limiting mechanism are connected with the other group of driving belt together.
In one possible implementation mode, the limiting mechanism comprises a fixed seat, the fixed seat is of an inverted U-shaped structure, a through hole which is convenient for a docking mechanism to penetrate is formed in the top end of the inverted U-shaped structure, two sides of a vertical section of the inverted U-shaped structure are close to one side of the vertical section, a positioning plate is fixedly connected with a clamping assembly, four rectangular grooves are formed in two sides of the vertical section of the inverted U-shaped structure, four rectangular grooves in two sides are correspondingly arranged in positions, clamping rods are correspondingly arranged in the rectangular grooves in a sliding mode, and one end of each clamping rod is located on the outer side of the fixed seat and is connected with the rectangular plate.
In one possible implementation mode, the clamping assembly comprises a cylindrical ring, the bottom end of the inner wall of the cylindrical ring is connected with a connecting rod through a spring, the spring is fixedly connected to the bottom end of the inner wall of the cylindrical ring, a connecting rod is hinged to the connecting rod, the other end of the connecting rod is hinged to an abutting block, and the abutting block is slidably arranged in a yielding groove formed in the outer wall of the cylindrical ring.
In one possible implementation mode, the butt joint mechanism comprises a cylindrical hollow rod, one end, close to the fixing seat, of the cylindrical hollow rod is of a round table type structure, the round table type structure is fixedly connected with a plurality of rubber rings, a sealing sleeve is connected to the cylindrical hollow rod, close to the round table type structure, in a threaded mode, and a rubber sealing ring used for sealing is fixedly connected to the inner wall of the sealing sleeve.
In one possible implementation, the lifting abutting mechanism comprises a cylindrical tube, the cylindrical tube is fixedly connected to the upper end of the bottom base, a threaded hole is formed in the top end of the cylindrical tube, a threaded rod is connected with the threaded hole in a threaded mode, a truncated cone-shaped structure abutting joint is arranged on the top end of the threaded rod, and a gear is fixedly connected to the threaded rod, close to the abutting joint.
In one possible implementation mode, the pressurizing mechanism comprises a sliding frame, the sliding frame is connected to the upper end of the transverse section of the U-shaped frame in a sliding manner through an electric sliding block, a through groove for placing an air storage tank is formed in the middle of the sliding frame, a plurality of cylindrical hollow rods are fixedly connected to the sliding frame, the air storage tank is fixedly connected to the upper end of the transverse section of the U-shaped frame, a first hose is fixedly connected to the upper end of the air storage tank, and the first hose is fixedly connected to the hollow rods on the upper sides of the limiting mechanisms.
In one possible implementation mode, the detection mechanism comprises a rectangular frame, the rectangular frame is fixedly connected with the upper end of the bottom base, a liquid containing pipe is fixedly connected in the rectangular frame, one side of the liquid containing pipe is connected with an observation pipe which is made of transparent materials in a penetrating mode, a buoyancy ball is arranged in the observation pipe, the upper end of the liquid containing pipe is connected with a second hose, the other end of the second hose penetrates through a moving plate and is fixedly connected with cylindrical hollow rods on the front side and the rear side of a limiting mechanism, the moving plate is connected in a groove formed in the bottom base in a sliding mode, the bottom end of the moving plate is in threaded connection with a threaded driving rod, one end of the threaded driving rod is connected in the groove in a rotating mode, the other end of the threaded driving rod penetrates through the groove and is located on the outer side of the bottom base, driving belts are respectively connected to the threaded driving rods on the front side and the rear side, a first driving source is arranged on the threaded driving rod on any one side, and a second driving source is arranged on the threaded driving rod on any one side.
In one possible implementation mode, the upper end and the lower end of the sliding rack are fixedly connected with limit bars, and the width of the sliding rack is larger than the thickness of the gear.
In addition, the invention also provides a refrigeration air-conditioning pipeline valve performance detection process, which specifically comprises the following steps:
s1, sampling the produced valves, closing the valve switches, placing the valves on the limiting mechanisms one by one, and fixing and limiting.
S2, starting the lifting abutting mechanism to abut against a valve switch arranged on the limiting mechanism, and further playing a role in fixing.
S3, butting the butting mechanisms positioned at the front side, the rear side and the upper end of the valve with the joint of the valve, so that the butting tightness is ensured.
S4, opening a pressurizing mechanism to pressurize and ventilate the interior of the valve, and observing whether the buoyancy balls in the detecting mechanisms at the front side and the rear side change or not so as to judge the sealing performance of the valve switch; and temporarily marking the valve with unqualified sealing of the lower switch, lifting the abutting mechanism downwards again and opening the switch of the valve, opening the pressurizing mechanism again, observing whether the buoyancy ball changes in the detecting mechanisms at the front side and the rear side are consistent or not so as to judge the tightness of the simulated valve after connection, correspondingly to the valve with unqualified lifting height of the buoyancy ball, and finally collecting and placing the unqualified valve independently.
The above technical solutions in the embodiments of the present invention have at least one of the following technical effects:
1. according to the device and the process for detecting the valve performance of the refrigerating and air-conditioning pipeline, provided by the embodiment of the invention, the external pressure of the cylindrical hollow rod is given through the arranged moving plate, the tightness of the connection between the cylindrical hollow rod and the valve is increased, the moving plates on two sides can move towards the valve, the sliding frame is arranged on the upper side of the valve, and the pressure value of the connection part of the three-way valve is increased, so that the condition of bouncing off is avoided in the process of detecting the pressurizing and ventilating, and the safety of detection is increased.
2. According to the device and the process for detecting the valve performance of the refrigerating and air-conditioning pipeline, provided by the embodiment of the invention, through the buoyancy ball in the detection mechanism, the change is observed more objectively after the buoyancy ball is connected, and the buoyancy ball is directly connected to the other end of the cylindrical hollow rod, so that the time consumed by repeated putting of detection personnel into water is not required, and the detection time is reduced.
3. According to the device and the process for detecting the valve performance of the refrigerating and air-conditioning pipeline, provided by the embodiment of the invention, the valve can be fixedly limited through the limiting mechanism, the limiting mechanism is simple in overall design and operation, the valve can be rapidly limited, time and labor are saved, the valve can be ensured to be positioned at a constant speed, and rapid butt joint of subsequent detection is facilitated.
Drawings
Fig. 1 is a schematic diagram of a first structure of a device and a process for detecting valve performance of a refrigeration air conditioner according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a second structure of a device and a process for detecting valve performance of a refrigeration air conditioner according to an embodiment of the present invention.
Fig. 3 is an enlarged view at a in fig. 1.
Fig. 4 is a perspective sectional view of a part of a structure of a device and a process for detecting valve performance of a refrigeration air conditioner pipeline according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a limiting mechanism of a device and a process for detecting valve performance of a refrigeration air conditioner pipeline according to an embodiment of the present invention.
Fig. 6 is a structural cross-sectional view of a clamping assembly of a device and a process for detecting the valve performance of a refrigeration air conditioner pipeline according to an embodiment of the invention.
Fig. 7 is a schematic diagram of a mechanism of a butt joint mechanism of a device and a process for detecting valve performance of a refrigeration air conditioner pipeline according to an embodiment of the invention.
Fig. 8 is a schematic structural diagram of a valve for detecting performance of a valve of a refrigeration air conditioner and a process according to an embodiment of the present invention.
In the figure: 1. a bottom base; 11. a U-shaped frame; 2. a limiting mechanism; 21. a fixing seat; 22. a positioning plate; 23. a clamping assembly; 231. a cylindrical ring; 232. a connecting rod; 233. a connecting rod; 234. an abutment block; 24. a clamping rod; 25. a rectangular plate; 3. a docking mechanism; 31. a cylindrical hollow rod; 32. a rubber ring; 33. sealing the sleeve; 4. a lifting abutting mechanism; 41. a cylindrical tube; 42. a threaded rod; 43. a butt joint; 44. a gear; 5. sliding racks; 51. a limit bar; 6. a pressurizing mechanism; 61. a carriage; 62. a gas storage tank; 63. a first hose; 7. a detection mechanism; 71. a rectangular frame; 72. a liquid containing tube; 73. an observation tube; 74. a buoyancy ball; 75. a second hose; 76. a moving plate; 77. a threaded drive rod; 8. a drive belt; 100. and (3) a valve.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, 2, 3 and 4, a device for detecting valve performance of a refrigeration and air-conditioning pipeline comprises a base seat 1, wherein a U-shaped frame 11 is fixedly connected to the base seat 1; the limiting mechanisms 2 are arranged at the lower end of the transverse section of the U-shaped frame 11, and a plurality of groups of limiting mechanisms 2 are arranged, and each group of limiting mechanisms 2 is used for fixedly limiting the valve 100; the butt joint mechanisms 3 are provided with a plurality of groups, each group is provided with three groups, and the butt joint mechanisms are respectively positioned at the front side and the rear side of the limiting mechanism 2 and penetrate through the upper side of the limiting mechanism 2; the lifting abutting mechanisms 4 are provided with a plurality of groups, each group is correspondingly arranged at the lower end of the limiting mechanism 2 and is positioned at the upper end of the bottom base 1, the lifting abutting mechanisms 4 are provided with sliding racks 5 together, and the left side and the right side of each sliding rack 5 are arranged in square grooves formed in the vertical section of the U-shaped frame 11 in a sliding manner; the pressurizing mechanism 6 is arranged at the upper end of the transverse section of the U-shaped frame 11 in a sliding manner; the detection mechanisms 7 are provided with a plurality of groups, each group is provided with two detection mechanisms, the detection mechanisms are respectively positioned at the front side and the rear side of the limiting mechanism 2, and the detection mechanisms 7 are arranged in grooves formed in the base seat 1 in a sliding manner; the driving belt 8 is provided with two groups, a plurality of detection mechanisms 7 positioned at the front side of the limiting mechanism 2 are connected with one group of driving belt 8 together, and a plurality of detection mechanisms 7 positioned at the rear side of the limiting mechanism 2 are connected with the other group of driving belt 8 together.
During specific work, the valves 100 are closed and sequentially placed in each group of limiting mechanisms 2, the valves 100 are initially limited, the sliding racks 5 are started again, the lifting abutting mechanisms 4 are synchronously driven to lift up until the lifting abutting mechanisms abut against the switch of the valves 100, meanwhile, the abutting mechanisms 3 penetrating through the upper sides of the limiting mechanisms 2 move downwards to seal and abut against the joint of the upper ends of the valves 100, then, two groups of driving belts 8 are simultaneously opened, the two groups of driving belts 8 respectively drive the detecting mechanisms 7 on the front sides and the detecting mechanisms 7 on the rear sides to synchronously approach the limiting mechanisms 2, abutting limiting is carried out on the joint of the front sides and the rear sides of the valves 100, finally, the pressurizing mechanisms 6 on the upper ends are opened, the valves 100 are aerated and pressurized, whether air leakage occurs is observed through observing changes in the detecting mechanisms 7, and accordingly whether the air leakage performance of the valves 100 is good or bad is judged.
Referring to fig. 4 and 5, the limiting mechanism 2 includes a fixing seat 21, the fixing seat 21 is of an inverted U-shaped structure, a through hole which is convenient for the docking mechanism 3 to penetrate is formed in the top end of the inverted U-shaped structure, two sides of a vertical section of the inverted U-shaped structure are close to one side and fixedly connected with a positioning plate 22, a clamping assembly 23 is fixedly connected to the positioning plate 22, four rectangular grooves are formed in two sides of the vertical section of the inverted U-shaped structure, four rectangular grooves in two sides are correspondingly arranged, clamping rods 24 slide together in the rectangular grooves in two sides, one end of each clamping rod 24 is connected with a rectangular plate 25 together and located outside the fixing seat 21, and the other end of each clamping rod 24 is of a stair platform structure.
Referring to fig. 6, the clamping assembly 23 includes a cylindrical ring 231, a connecting rod 232 is connected to the bottom end of the inner wall of the cylindrical ring 231 through a spring, the spring is fixedly connected to the bottom end of the inner wall of the cylindrical ring 231, a connecting rod 233 is hinged to the connecting rod 232, an abutting block 234 is hinged to the other end of the connecting rod 233, and the abutting block 234 is slidably arranged in a yielding groove formed in the outer wall of the cylindrical ring 231.
During specific operation, the existing valve 100 is connected with an external air conditioner conveniently, a docking hole (as shown in fig. 8) is integrally welded on the valve 100, the docking hole on the valve 100 is aligned to the position of the cylindrical ring 231, the valve 100 is continuously moved downwards, the docking hole is contacted with the abutting block 234, the abutting block 234 is extruded to move towards the yielding groove of the cylindrical ring 231, meanwhile, the connecting rod 232 is moved upwards through the connecting rod 233, the pulling spring is in a stretching state, when the docking hole on the valve 100 is moved to the lower end of the abutting block 234 and positioned at the upper end of the positioning plate 22, the connecting rod 232 is moved downwards under the resilience force of the spring to restore to the initial position, the connecting rod 233 on the connecting rod 232 drives the abutting block 234 to move towards the yielding groove of the cylindrical ring 231, the lower end of the abutting block 234 is abutted against the upper end of the docking hole, at the point is illustrated, the distance between the abutting block 234 and the positioning plate 22 is just the same as the thickness of the docking hole of the valve 100, in order to play a better limiting effect, then the rectangular plate 25 is pushed again, the rectangular plate 25 is synchronously driven to move the four clamping plates 24 towards the lower ends of the rectangular inverted U-shaped structure, the rectangular clamping structure 24 is moved towards the rectangular clamping groove 24, and the rectangular structure is conveniently and the rectangular clamping structure is fixed to the rectangular structure, and the rectangular clamping structure is again.
Referring to fig. 2 and 7, the docking mechanism 3 includes a cylindrical hollow rod 31, one end of the cylindrical hollow rod 31, which is close to the fixing seat 21, is in a truncated cone structure, the truncated cone structure is fixedly connected with a plurality of rubber rings 32, a sealing sleeve 33 is connected to the cylindrical hollow rod 31, which is close to the truncated cone structure, in a threaded manner, and a rubber sealing ring for sealing is fixedly connected to the inner wall of the sealing sleeve 33.
When the valve is particularly in operation, the cylindrical hollow rod 31 is close to the valve 100, the circular truncated cone structure is aligned with the joint of the valve 100, the rubber ring 32 plays a role in sealing, and then the sealing sleeve 33 is rotated, so that the sealing sleeve 33 is clamped on the outer side of a bolt at the joint of the valve 100, and further plays a role in sealing the joint.
Referring to fig. 1, 2 and 4, the lifting abutting mechanism 4 comprises a cylindrical tube 41, the cylindrical tube 41 is fixedly connected to the upper end of the base seat 1, a threaded hole is formed in the top end of the cylindrical tube 41, a threaded rod 42 is connected in the threaded hole in a threaded manner, a truncated cone-shaped abutting joint 43 is arranged on the top end of the threaded rod 42, and a gear 44 is fixedly connected to the threaded rod 42 close to the abutting joint 43.
Referring to fig. 2, the upper end and the lower end of the sliding rack 5 are fixedly connected with a limit bar 51, and the width of the sliding rack 5 is greater than the thickness of the gear 44.
When the valve is specifically operated, an external driving force is started, the external driving force can be an electric telescopic rod and is connected to one side of the sliding rack 5, the sliding rack 5 is driven to move to one side, the sliding rack 5 drives the gear 44 to rotate, the gear 44 further drives the threaded rod 42 to rotate in the threaded hole in the cylindrical tube 41, the threaded rod 42 moves upwards relative to the cylindrical tube 41, the abutting joint 43 is enabled to contact the opening and closing position of the valve 100, and abutting joint limiting is carried out. The limiting bar 51 on the sliding rack 5 plays a role in limiting the gear 44, and the gear 44 moves up and down on the sliding rack 5 relatively to avoid falling off the sliding rack 5.
Referring to fig. 1 and 2, the pressurizing mechanism 6 includes a sliding frame 61, the sliding frame 61 is slidably connected to the upper end of the transverse section of the U-shaped frame 11 through an electric sliding block, a through slot for placing an air storage tank 62 is formed in the middle of the sliding frame 61, a plurality of cylindrical hollow rods 31 are fixedly connected to the sliding frame 61, the air storage tank 62 is fixedly connected to the upper end of the transverse section of the U-shaped frame 11, a first hose 63 is fixedly connected to the upper end of the air storage tank 62, and the first hose 63 is fixedly connected to the cylindrical hollow rods 31 on the upper sides of the plurality of limiting mechanisms 2.
When the automatic detection device is specifically operated, the electric sliding block is started to drive the sliding frame 61 to slide downwards at the upper end of the transverse section of the U-shaped frame 11, a plurality of cylindrical hollow rods 31 are synchronously driven to slide downwards, the sliding frame 61 does not influence the placement of the air storage tank 62 due to the arranged through grooves when sliding up and down, and the air storage tank 62 is started to be ventilated to each cylindrical hollow rod 31 through the first hose 63 when detecting, and then enters the valve 100.
Referring to fig. 2 and 3, the detection mechanism 7 includes a rectangular frame 71, the rectangular frame 71 is fixedly connected with the upper end of the bottom base 1, a liquid containing tube 72 is fixedly connected in the rectangular frame 71, one side of the liquid containing tube 72 is connected with an observation tube 73 made of transparent materials in a penetrating way, a buoyancy ball 74 is arranged in the observation tube 73, the upper end of the liquid containing tube 72 is connected with a second hose 75, the other end of the second hose 75 penetrates through a moving plate 76 and is fixedly connected with the cylindrical hollow rods 31 on the front side and the rear side of the limiting mechanism 2, the moving plate 76 is slidingly connected in a groove formed in the bottom base 1, the bottom end of the moving plate 76 is in threaded connection with a threaded driving rod 77, one end of the threaded driving rod 77 is connected in the groove in a rotating way, the other end penetrates through the groove and is located on the outer side of the bottom base 1, the threaded driving rods 77 on the front side and the rear side are respectively connected with a driving belt 8, a first driving source is arranged on any one of the threaded driving rods 77 on the front side, and a second driving source is also arranged on any one of the threaded driving rods 77 on the rear side.
In specific operation, the first driving source and the second driving source may be motors, since the front and rear side detecting mechanisms 7 have the same structure, and taking the front side detecting mechanism 7 as an example, the first driving source is started to drive the front side multiple screw driving rods 77 to synchronously rotate, so as to drive the moving plate 76 to slide in the groove, the upper end of the moving plate 76 drives the front side cylindrical hollow rod 31 to move towards the valve 100, after the air storage tank 62 is started, if the valve 100 is not good in tightness, air in the air storage tank 62 enters the second hose 75, and the air enters the liquid storage tube 72 of the observing tube 73 through the second hose 75, so that the buoyancy ball 74 located on the right side rises; and temporarily marking the valve 100 with unqualified switch seal, lifting the abutting mechanism 4 downwards again, opening the switch of the valve 100, opening the pressurizing mechanism 6 again, observing whether the buoyancy balls 74 in the detecting mechanisms 7 at the front side and the rear side are consistent or not, so as to judge the tightness of the connected simulated valve 100, wherein the valve 100 with inconsistent lifting height of the buoyancy balls 74 corresponds to an unqualified product.
In addition, the invention also provides a refrigeration air-conditioning pipeline valve performance detection process, which specifically comprises the following steps:
s1, sampling the produced valve 100, closing the valve 100, placing the valve on the limiting mechanisms 2 one by one, and fixing and limiting.
S2, starting the lifting abutting mechanism 4 to abut against a switch of the valve 100 placed on the limiting mechanism 2, and further achieving a fixing effect.
S3, butting the butting mechanisms 3 positioned at the front side, the rear side and the upper end of the valve 100 with the joint of the valve 100, so as to ensure the butting tightness.
S4, opening the pressurizing mechanism 6 to pressurize and ventilate the interior of the valve 100, and observing whether the buoyancy balls 74 in the detecting mechanism 7 at the front side and the rear side change or not so as to judge the sealing performance of the valve 100; and temporarily marking the valve 100 with unqualified switch seal, lifting the abutting mechanism 4 downwards again and opening the switch of the valve 100, opening the pressurizing mechanism 6 again, observing whether the buoyancy balls 74 in the detecting mechanisms 7 at the front side and the rear side are consistent or not to judge the tightness of the connected simulated valve 100, correspondingly to the valve 100 with inconsistent lifting height of the buoyancy balls 74, collecting and placing the unqualified valve 100 independently.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are 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.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. A refrigerating air conditioner pipeline valve performance detection device is characterized in that: comprises a base seat (1), wherein a U-shaped frame (11) is fixedly connected to the base seat (1);
the limiting mechanisms (2) are arranged at the lower ends of the transverse sections of the U-shaped frames (11), and a plurality of groups of limiting mechanisms (2) are arranged, and each group of limiting mechanisms is used for fixedly limiting the valve (100);
the butt joint mechanisms (3) are provided with a plurality of groups, each group is provided with three groups, and the groups are respectively positioned at the front side and the rear side of the limiting mechanism (2) and penetrate through the upper side of the limiting mechanism (2);
the butt joint mechanism (3) comprises a cylindrical hollow rod (31), one end of the cylindrical hollow rod (31) close to the fixed seat (21) is of a truncated cone-shaped structure, the truncated cone-shaped structure is fixedly connected with a plurality of rubber rings (32), the cylindrical hollow rod (31) is in threaded connection with a sealing sleeve (33) close to the truncated cone-shaped structure, and the inner wall of the sealing sleeve (33) is fixedly connected with a rubber sealing ring for sealing;
the lifting abutting mechanisms (4) are provided with a plurality of groups, each group is correspondingly arranged at the lower end of the limiting mechanism (2) and is positioned at the upper end of the bottom base (1), the lifting abutting mechanisms (4) are provided with sliding racks (5) together, and the left side and the right side of each sliding rack (5) are arranged in square grooves formed in the vertical section of the U-shaped frame (11) in a sliding mode;
the pressurizing mechanism (6) is arranged at the upper end of the transverse section of the U-shaped frame (11) in a sliding manner;
the detection mechanisms (7) are provided with a plurality of groups, each group is provided with two groups and is respectively positioned at the front side and the rear side of the limiting mechanism (2), and the detection mechanisms (7) are all arranged in grooves formed in the base seat (1) in a sliding manner;
the driving belts (8) are provided with two groups, a plurality of detection mechanisms (7) positioned at the front side of the limiting mechanism (2) are commonly connected with one group of driving belts (8), and a plurality of detection mechanisms (7) positioned at the rear side of the limiting mechanism (2) are commonly connected with the other group of driving belts (8);
the detection mechanism (7) comprises a rectangular frame (71), the upper end of a base (1) is fixedly connected with the rectangular frame (71), a liquid containing tube (72) is fixedly connected in the rectangular frame (71), one side of the liquid containing tube (72) is connected with an observation tube (73) made of transparent materials in a penetrating mode, a buoyancy ball (74) is arranged in the observation tube (73), the upper end of the liquid containing tube (72) is connected with a second hose (75), the other end of the second hose (75) penetrates through a moving plate (76) and is fixedly connected with cylindrical hollow rods (31) on the front side and the rear side of the limiting mechanism (2), the moving plate (76) is connected in a groove formed in the base (1) in a sliding mode, the bottom end of the moving plate (76) is connected with a threaded driving rod (77) in a threaded mode, one end of the threaded driving rod (77) is connected in the groove in a penetrating mode, the other end of the threaded driving rod (77) is located on the outer side of the base (1), a driving belt (8) is connected to one end of the threaded driving rod (77) located on the front side and the rear side, a first driving source is arranged on the threaded driving rod (77) located on the front side, and a second driving source is equally distributed on the threaded driving rod (77).
2. The refrigeration and air-conditioning pipeline valve performance detection device according to claim 1, wherein: stop gear (2) are including fixing base (21), fixing base (21) are the structure of falling U type, the through-hole that is convenient for docking mechanism (3) run through has been seted up on the top of falling U type structure, vertical section both sides of falling U type structure are close to one side fixedly connected with locating plate (22) mutually, fixedly connected with joint subassembly (23) on locating plate (22), four rectangular channels have all been seted up to the both sides of the vertical section of falling U type structure, four rectangular channels positions of both sides are corresponding to be set up, the corresponding rectangular channel of both sides slides jointly has clamping rod (24), clamping rod (24) wherein one end just is located fixing base (21) outside and is connected with rectangular plate (25) jointly.
3. The refrigeration and air-conditioning pipeline valve performance detection device according to claim 2, wherein: the clamping assembly (23) comprises a cylindrical ring (231), a connecting rod (232) is connected to the bottom end of the inner wall of the cylindrical ring (231) through a spring, the spring is fixedly connected to the bottom end of the inner wall of the cylindrical ring (231), a connecting rod (233) is hinged to the connecting rod (232), an abutting block (234) is hinged to the other end of the connecting rod (233), and the abutting block (234) is slidably arranged in a yielding groove formed in the outer wall of the cylindrical ring (231).
4. The refrigeration and air-conditioning pipeline valve performance detection device according to claim 1, wherein: the lifting abutting mechanism (4) comprises a cylindrical pipe (41), the cylindrical pipe (41) is fixedly connected to the upper end of the base seat (1), a threaded hole is formed in the top end of the cylindrical pipe (41), a threaded rod (42) is connected with the threaded hole in a threaded mode, a truncated cone-shaped structure abutting joint (43) is arranged on the top end of the threaded rod (42), and a gear (44) is fixedly connected to the threaded rod (42) close to the abutting joint (43).
5. The refrigeration and air-conditioning pipeline valve performance detection device according to claim 1, wherein: the pressurizing mechanism (6) comprises a sliding frame (61), the sliding frame (61) is connected to the upper end of the transverse section of the U-shaped frame (11) through an electric sliding block in a sliding mode, a through groove for accommodating an air storage tank (62) is formed in the middle of the sliding frame (61), a plurality of cylindrical hollow rods (31) are fixedly connected to the sliding frame (61), the air storage tank (62) is fixedly connected to the upper end of the transverse section of the U-shaped frame (11), a first hose (63) is fixedly connected to the upper end of the air storage tank (62), and the first hose (63) is fixedly connected to the hollow rods (31) on the upper sides of the limiting mechanisms (2).
6. The refrigeration and air-conditioning pipeline valve performance detection device according to claim 4, wherein: the upper end and the lower end of the sliding rack (5) are fixedly connected with limit bars (51), and the width of the sliding rack (5) is larger than the thickness of the gear (44).
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| CN202310709676.7A CN116678570B (en) | 2023-06-14 | 2023-06-14 | Device and process for detecting performance of valve of refrigeration air conditioner pipeline |
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| CN116678570A (en) | 2023-09-01 |
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Denomination of invention: A Performance Testing Device and Process for Refrigeration and Air Conditioning Pipeline Valves Granted publication date: 20240405 Pledgee: Xinchang Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: Xinchang Hengbo Machinery Co.,Ltd. Registration number: Y2024330000699 |