CN116659758A - Air-tightness test platform for air-driven urea nozzle - Google Patents
Air-tightness test platform for air-driven urea nozzle Download PDFInfo
- Publication number
- CN116659758A CN116659758A CN202310961185.1A CN202310961185A CN116659758A CN 116659758 A CN116659758 A CN 116659758A CN 202310961185 A CN202310961185 A CN 202310961185A CN 116659758 A CN116659758 A CN 116659758A
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- Prior art keywords
- air
- fixed
- urea nozzle
- fixing
- guide
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000004202 carbamide Substances 0.000 title claims abstract description 83
- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air-tightness test platform for an air-driven urea nozzle, and relates to the field of tightness detection. According to the scheme, the device comprises supporting legs, a feeding mechanism for conveying a urea nozzle is arranged on the supporting legs, a tightness testing mechanism for detecting the tightness of the urea nozzle is arranged at the bottom of the feeding mechanism, the tightness testing mechanism comprises a fixing plate, a detection cylinder, and air supply assemblies and bottom plug assemblies distributed at two ends of the detection cylinder, the tightness testing mechanism is arranged at the bottom of a guide assembly, after the urea nozzle enters a conductive rubber cylinder, air in the conductive rubber cylinder is pumped into an air bag ring through an air pumping assembly to work, the air bag ring is expanded and hooped at the end part of the urea nozzle to seal, meanwhile, the air pumping assembly blows air into the urea nozzle through the air supply assemblies, when the urea nozzle leaks air, the conductive rubber cylinder is blown, the conductive rubber cylinder is attached to the film cylinder, an alarm is triggered, and according to a triggering position coordinate, the position can be measured approximately.
Description
Technical Field
The utility model relates to the field of tightness detection, in particular to an air tightness test platform for an air-driven urea nozzle.
Background
The air-driven urea nozzle is mainly used on diesel vehicles and is used for providing urea for engines, and the air tightness of the air-driven urea nozzle is required to be tested when leaving factories, so that the working effect of the air-driven urea nozzle is ensured;
in this regard, the chinese patent publication No. CN211927178U discloses a gas-driven urea nozzle airtight test platform, which can improve measurement accuracy, is convenient to observe, can conveniently clean and dry the viscosity of the tested workpiece, and can realize automatic and quantitative leak detection; the automatic spraying device comprises a workbench, an electric controller, an airtight clamping device, a standard sample piece, a spraying test control box, a water tank and a pressurizing tank, wherein the electric controller and the standard sample piece are both arranged in the rear half area of the top of the workbench, the airtight clamping device is arranged at the top of the workbench, and the spraying test control box is arranged on the side wall of the workbench and is mainly used for detecting whether a urea nozzle leaks or not;
the air tightness is tested by simulation spraying, urea or water is needed to replace spraying, and as urea nozzles are needed to be installed in each test, the test efficiency of the air tightness is low by multiple simulation spraying, and the specific air leakage part is difficult to detect in the test process;
in this regard, KR101944804B1 is a gas leakage detection device using electrode contacts, and the gas leakage detection device is capable of achieving contact with the electrode contacts by using displacement means caused by gas pressure caused by gas leakage, so that leakage detection is achieved, however, batch detection cannot be achieved, rapid sealing of the upper end and the lower end of a gas-driven urea nozzle cannot be achieved, manual sealing and gas pipe installation are required, and detection efficiency is low.
Disclosure of Invention
Therefore, the utility model aims to provide an air-tightness test platform for an air-driven urea nozzle, so as to improve the test efficiency and detect the air leakage part approximately and rapidly.
In order to achieve the technical purpose, the utility model provides an air-tightness test platform for an air-driven urea nozzle, which comprises:
the device comprises supporting legs, a feeding mechanism for conveying urea nozzles is assembled on the supporting legs, a tightness testing mechanism for detecting the tightness of the urea nozzles is assembled at the bottom of the feeding mechanism, the tightness testing mechanism comprises a fixing plate, a detection cylinder, air supply assemblies and bottom plug assemblies, the air supply assemblies are distributed at two ends of the detection cylinder, the fixing plate is arranged below the feeding mechanism, the detection cylinder is composed of a first fixing ring, a film cylinder, a conductive rubber cylinder, an air bag ring and a second fixing ring, the film cylinder is fixed on the first fixing ring, the bottom of the air bag ring is fixed on the first fixing ring, the film cylinder is sleeved outside the conductive rubber cylinder, the second fixing ring is fixed at the bottom of the conductive rubber cylinder, an air pumping assembly for pumping the detection cylinder is assembled on the fixing plate, and the first fixing ring and the second fixing ring are fixed on the fixing plate.
Preferably, the feeding mechanism is composed of a first guide rod, a second guide rod, a conveying belt, clamping blocks, guide blocks, a supporting plate and guide wheels, wherein the end parts of the first guide rod and the second guide rod are connected and fixed with the supporting plate, the guide wheels are rotationally connected with the supporting plate, the conveying belt is sleeved on the guide wheels, the clamping blocks are uniformly fixed on the conveying belt, and the guide blocks are fixed on each clamping block.
Preferably, a guide assembly is arranged between the feeding mechanism and the tightness testing mechanism, the guide assembly is composed of a fixing frame and a guide roller, the top of the fixing frame is fixed at the bottom of the supporting plate, and the guide roller is rotationally connected with the fixing frame.
Preferably, the air supply assembly is composed of a first fixing pile, an air supply disc, a first connecting rod and a first air cylinder, wherein the first fixing pile is fixed at the bottom of the fixing frame, two ends of the first connecting rod are respectively hinged with the air supply disc and the output end of the first air cylinder, the air supply disc is rotationally connected with the first fixing pile, and the first air cylinder is fixed on the fixing frame.
Preferably, the bottom blocking assembly is composed of a second fixing pile, a blocking disc, a second connecting rod and a second air cylinder, wherein the second fixing pile is fixed at the bottom of the fixing plate, the blocking disc is rotationally connected with the second fixing pile, two ends of the second connecting rod are respectively hinged with the blocking disc and the output end of the second air cylinder, the second air cylinder is fixed on the fixing plate, and the blocking disc is embedded in the second fixing ring.
Preferably, the pumping air component is composed of an air pump, a first air duct, a second air duct and a third air duct, the air pump is fixed on the fixing plate, a first pipe joint is fixed on the side face of the air bag ring, one end of the first air duct is fixedly connected with the first pipe joint, the other end of the first air duct is fixedly connected with the air outlet end of the air pump, the side face of the second fixing ring is fixedly connected with the second pipe joint, one end of the second air duct is fixedly connected with the second pipe joint, the other end of the second air duct is fixedly connected with the air inlet end of the air pump, one end of the third air duct is fixedly connected with the first pipe joint, and the other end of the third air duct is fixedly connected with the upper surface of the air supply disc.
Preferably, a sealing ring is fixed on the lower surface of the air supply disc, an air outlet hole is formed in the lower surface of the air supply disc, and an inner cavity of the third air duct is communicated with an inner cavity of the air supply disc.
From the above technical scheme, the utility model has the following beneficial effects:
through being equipped with tightness testing mechanism in the direction subassembly bottom, the urea nozzle gets into in the conductive rubber barrel after, through pumping the work of gas subassembly, with the interior air suction gasbag ring of conductive rubber barrel, gasbag ring inflation hoop is sealed at urea nozzle tip, the gas subassembly of taking out still blows in the urea nozzle through the gas supply subassembly simultaneously, the urea nozzle has when leaking gas, can blow conductive rubber barrel, let conductive rubber barrel attached to film section of thick bamboo, trigger the warning, according to the position coordinate that triggers, both can roughly measure the gas leakage position.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an air-tightness test platform for an air-driven urea nozzle;
FIG. 2 is a schematic top view of the feeding mechanism in FIG. 1 of an air-driven urea nozzle airtight test platform provided by the utility model;
FIG. 3 is a schematic diagram of the overall structure of the tightness testing mechanism in FIG. 1 of the air-driven urea nozzle air-tightness testing platform provided by the utility model;
FIG. 4 is a schematic diagram of the overall structure of the pumping assembly of FIG. 3 of a gas-driven urea nozzle airtight test platform provided by the utility model;
FIG. 5 is a schematic view of the local explosion structure of FIG. 3 of an air-driven urea nozzle air-tightness test platform provided by the utility model;
FIG. 6 is a schematic diagram of the overall structure of the guide assembly of FIG. 1 of a gas-driven urea nozzle airtight test platform provided by the utility model;
FIG. 7 is a schematic diagram of the overall structure of the bottom plug assembly of FIG. 3 of a gas-driven urea nozzle gas tightness test platform provided by the utility model;
fig. 8 is a schematic diagram of the overall structure of the air supply assembly in fig. 3 of the air-driven urea nozzle air-tightness test platform provided by the utility model.
Description of the drawings: 1. support legs; 2. a feeding mechanism; 21. a first guide bar; 22. a second guide bar; 23. a conveyor belt; 24. a clamping block; 25. a guide block; 26. a support plate; 27. a guide wheel; 3. a guide assembly; 31. a fixing frame; 32. a guide roller; 4. a tightness testing mechanism; 41. a fixing plate; 42. a first fixing ring; 43. a film cartridge; 44. a conductive rubber cylinder; 45. a gas supply assembly; 451. a first fixing pile; 452. an air supply tray; 453. a first link; 454. a first cylinder; 46. a bottom plug assembly; 461. a second fixed pile; 462. a plugging disc; 463. a second link; 464. a second cylinder; 47. a pumping assembly; 471. an air pump; 472. a first air duct; 473. a second air duct; 474. a third air duct; 48. an air bag ring; 49. and a second fixing ring.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.
Referring to fig. 1-8:
the air-tightness test platform for the air-driven urea nozzle comprises supporting legs 1, wherein a feeding mechanism 2 for conveying the urea nozzle is arranged on each supporting leg 1, and the feeding mechanism 2 is used for conveying the urea nozzle;
specifically, as shown in fig. 1 and 2, the feeding mechanism 2 is composed of a first guide rod 21, a second guide rod 22, a conveying belt 23, clamping blocks 24, guide blocks 25, a supporting plate 26 and guide wheels 27, the end parts of the first guide rod 21 and the second guide rod 22 are connected and fixed with the supporting plate 26, the guide wheels 27 are rotationally connected with the supporting plate 26, the conveying belt 23 is sleeved on the guide wheels 27, the clamping blocks 24 are uniformly fixed on the conveying belt 23, the guide blocks 25 are fixed on each clamping block 24, the clamping blocks 24 are made of rubber materials, the inlet aperture is smaller than the internal aperture, the inlet is outwards dispersed, urea nozzles are conveniently clamped in the clamping blocks 24, the tail end of the first guide rod 21 is outwards bent, the guide blocks 25 are propped against the first guide rod 21, the first guide rod 21 plays a role of guiding the guide blocks 25, a urea nozzle can pass between the first guide rod 21 and the second guide rod 22, stability of the urea nozzle is improved, when the clamping blocks 24 are moved to the first guide rod 21, the clamping blocks 24 are uniformly stretched through the guide blocks 25, the clamping blocks 24 can be stretched out through the bending, the clamping blocks 24 can be automatically stretched out, the urea nozzle can fall off from the conveying motor, and the guide wheels 23 can be stretched out from the shaft center of the supporting plate 21 through the first guide rod 21, and the guide wheels are arranged at the shaft center 27, and the shaft center 27 is rotatably connected with the guide wheels 2, and the guide wheels can be rotatably driven by the servo motor, and the servo motor 23, and the servo motor is arranged at the position, and can be rotatably, and connected with the shaft 27, and can be driven by the servo motor, and the servo motor.
In order to perform tightness test on the urea nozzle, a tightness test mechanism 4 for detecting tightness of the urea nozzle is arranged at the bottom of the feeding mechanism 2, the tightness test can be performed on the urea nozzle through the tightness test mechanism 4, and the tightness test mechanism 4 is arranged below the feeding mechanism 2, so that the urea nozzle can directly fall into the tightness test mechanism 4;
specifically, as shown in fig. 3, the tightness testing mechanism 4 includes a fixing plate 41, a testing cylinder, and air supply assemblies 45 and bottom plug assemblies 46 distributed at two ends of the testing cylinder, the testing cylinder is composed of a first fixing ring 42, a film cylinder 43, a conductive rubber cylinder 44, an air bag ring 48 and a second fixing ring 49, the film cylinder 43 is fixed on the first fixing ring 42, the bottom of the air bag ring 48 is fixed on the first fixing ring 42, the first fixing ring 42 and the second fixing ring 49 are fixed on the fixing plate 41, the film cylinder 43 is sleeved outside the conductive rubber cylinder 44, the second fixing ring 49 is fixed at the bottom of the conductive rubber cylinder 44, the second fixing ring 49 plays a role of supporting the conductive rubber cylinder 44, the air bag ring 48 is inflated to tightly seal the urea nozzle, and conductive rubber blocks are uniformly fixed on the outer surface of the conductive rubber cylinder 44, as shown in fig. 5, the inner wall of the film cylinder 43 is provided with electrode contacts separated from each other by positive and negative electrodes and the corresponding conductive rubber blocks, when the urea nozzle leaks, the conductive rubber cylinder 44 is attached to the film cylinder 43, the positive and negative electrodes and the conductive rubber blocks are separated from each other, the positive and negative electrodes of the conductive blocks are separated from each other by the conductive blocks, and the positive and negative electrodes of the conductive electrode blocks are completely known by the film and the film coordinate of the remote control device.
As shown in fig. 1 and 6, in order to enable the urea nozzle to fall into the conductive rubber cylinder 44 stably, a guide component 3 is arranged between the feeding mechanism 2 and the tightness testing mechanism 4, the guide component 3 is composed of a fixing frame 31 and guide rollers 32, the top of the fixing frame 31 is fixed at the bottom of the supporting plate 26, two ends of the guide rollers 32 are rotatably connected with the fixing frame 31 through bearings, the rotating friction force of the guide rollers 32 is reduced, the guide rollers 32 are provided with two rows, each row of guide rollers 32 is composed of three guide rollers 32, the two rows of guide rollers 32 guide urea nozzles, and the urea nozzles fall into the conductive rubber cylinder 44 from the good-distribution guide rollers 32.
Further, as shown in fig. 3 and 8, the air supply assembly 45 is composed of a first fixing pile 451, an air supply tray 452, a first link 453 and a first cylinder 454, the first fixing pile 451 is fixed at the bottom of the fixing frame 31, the fixing plate 41 is fixed at the bottom of the first fixing pile 451, both ends of the first link 453 are respectively hinged with the air supply tray 452 and the output end of the first cylinder 454, the air supply tray 452 is rotatably connected with the first fixing pile 451, the first cylinder 454 is fixed on the fixing frame 31, and the first cylinder 454 is contracted to pull the first link 453 to move upward, thereby pulling one end of the air supply tray 452 connected with the first link 453, so that the other end of the air supply tray 452 is pressed against the urea nozzle head to supply air into the urea nozzle.
Further, the bottom plug assembly 46 is composed of a second fixing pile 461, a sealing disc 462, a second connecting rod 463 and a second air cylinder 464, the second fixing pile 461 is fixed at the bottom of the fixing plate 41, the sealing disc 462 is rotationally connected with the second fixing pile 461, two ends of the second connecting rod 463 are respectively hinged with the sealing disc 462 and the output end of the second air cylinder 464, the second air cylinder 464 is fixed on the fixing plate 41, the sealing disc 462 is embedded in the second fixing ring 49, tightness between the sealing disc 462 and the second fixing ring 49 is guaranteed, the second connecting rod 463 can be pulled to move upwards through shrinkage of the second air cylinder 464, and accordingly two ends connected with the sealing disc 462 and the second connecting rod 463 are pulled to enable the other ends of the sealing disc 462 to be pressed at the bottom of the urea nozzle to seal the bottom of the urea nozzle.
Specifically, as shown in fig. 3 and 4, the fixing plate 41 is provided with an air pumping assembly 47 for pumping air to the detection cylinder, the air pumping assembly 47 is composed of an air pump 471, a first air duct 472, a second air duct 473 and a third air duct 474, the air pump 471 is fixed on the fixing plate 41, a first pipe joint is fixed on the side surface of the air bag ring 48, one end of the first air duct 472 is connected and fixed with the first pipe joint, the other end of the first air duct 472 is connected and fixed with the air outlet end of the air pump 471, the side surface of the second fixing ring 49 is fixed with the second pipe joint, the second pipe joint is communicated with the inner cavity of the conductive rubber cylinder 44, one end of the second air duct 473 is connected and fixed with the second pipe joint, the other end of the second air duct 473 is fixedly connected with the air inlet end of the air pump 471, one end of the third air duct 474 is connected and fixed with the first pipe joint, the other end of the third air duct 474 is connected and fixed with the upper surface of the air supply disc 452, after the air pump 471 works, the air inside the conductive rubber cylinder 44 can be pumped out through the second air duct 473 and the air duct 474 and the air bag ring 452 respectively.
It should be noted that, the sealing ring is fixed on the lower surface of the air feeding disc 452, the air outlet hole is provided on the lower surface of the air feeding disc 452, the sealing ring is located at the outer periphery of the air outlet hole, after the air feeding disc 452 is covered on the urea spray head, the sealing ring can cover the urea spray head, the tightness between the urea spray head and the air feeding disc 452 is improved, the inner cavity of the third air duct 474 is communicated with the inner cavity of the air feeding disc 452, so that the air can enter the urea spray head through the air outlet hole at the bottom of the air feeding disc 452, a reversing electromagnetic valve (not shown) is arranged between the first air duct 472 and the second air duct 473, and the connection between the first air duct 472 and the second air duct 473 and the air inlet end and the air outlet end of the air pump 471 can be switched by the operation of the reversing electromagnetic valve, so that the air pump 471 can feed not only into the first air duct 472, but also into the second air duct 473.
Working principle: when the air-driven urea nozzle airtight test platform is used, the air-driven urea nozzle airtight test platform is in an electrified state through an external power supply, and the output end of an external vibration disc is oppositely arranged with the end parts of the first guide rod 21 and the second guide rod 22, so that the urea nozzle passing through the vibration disc can be clamped on the clamping block 24, and the urea nozzle can also be fed through manpower, which is a known and disclosed technology and is not excessively described herein;
when the guide wheel 27 is driven by the servo motor to drive the conveying belt 23 to roll anticlockwise, the guide block 25 is limited by the first guide rod 21 when the clamping block 24 reaches the end part of the first guide rod 21, so that the clamping block 24 is opened, the urea nozzle falls into the conductive rubber cylinder 44, the urea nozzle is guided by the guide roller 32 and can fall into the conductive rubber cylinder 44 stably, the first connecting rod 453 is driven to move upwards by the first cylinder 454, the first connecting rod 453 drives the air feeding disc 452 to press the head part of the urea nozzle, and similarly, the sealing disc 462 seals the bottom part of the urea nozzle;
then the air pump 471 works, the air pump 471 pumps the air in the conductive rubber cylinder 44 through the second air duct 473, the conductive rubber cylinder 44 is attached to the urea nozzle, the pumped air is flushed into the air bag ring 48 and the air supply disc 452 through the first air duct 472 and the second air duct 473, the air bag ring 48 expands to pinch the urea nozzle, the air supply disc 452 inflates the urea nozzle, once the urea nozzle is airtight, the air leaks into the conductive rubber cylinder 44, the conductive rubber cylinder 44 is blown to be attached to the film cylinder 43, the position of the film cylinder 43, to which the conductive rubber cylinder 44 is attached, is electrified, the current is detected by an external computer, so that the approximate position of the air leakage can be known, after the detection is completed, the reversing electromagnetic valve works, the working mode is switched, the air pump 471 pumps the air in the air bag ring 48 and the air supply disc 452, then the second air cylinder 464 pulls the sealing disc 462 to turn over and open, the urea nozzle, after the detection, can be sent out of the conductive rubber cylinder 44, and the urea nozzle is carried away through the external conveying belt, and the next urea nozzle is detected;
the manner in which the conductive rubber tube 44 is energized in contact with the film tube 43 and the approximate coordinates can be calculated by a computer is a known technique, and will not be described here.
The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.
Claims (7)
1. The utility model provides an air-driven urea nozzle airtight test platform, includes supporting leg (1), its characterized in that, be equipped with feeding mechanism (2) that carry urea nozzle on supporting leg (1), feeding mechanism (2)'s bottom is equipped with sealing test mechanism (4) that detect urea nozzle gas tightness, sealing test mechanism (4) include fixed plate (41), detect a section of thick bamboo and distribute at air feed subassembly (45) and the end of detecting a section of thick bamboo both ends and block up subassembly (46) and constitute, fixed plate (41) set up in feeding mechanism (2)'s below, detect a section of thick bamboo by first fixed ring (42), film section of thick bamboo (43), electrically conductive rubber section of thick bamboo (44), gasbag ring (48) and second fixed ring (49) constitute, film section of thick bamboo (43) are fixed on first fixed ring (42), film section of thick bamboo (43) cover is established in the outside of thick bamboo (44) of electrically conductive rubber, second fixed ring (49) are fixed in the fixed plate (49) of electrically conductive rubber section of thick bamboo (44), fixed plate (41) are fixed in the fixed plate (41) of the fixed on the fixed plate (41).
2. The air-driven urea nozzle airtight test platform according to claim 1, wherein the feeding mechanism (2) is composed of a first guide rod (21), a second guide rod (22), a conveying belt (23), clamping blocks (24), guide blocks (25), support plates (26) and guide wheels (27), the end parts of the first guide rod (21) and the second guide rod (22) are fixedly connected with the support plates (26), the guide wheels (27) are rotatably connected with the support plates (26), the conveying belt (23) is sleeved on the guide wheels (27) in a transmission mode, the clamping blocks (24) are uniformly fixed on the conveying belt (23), and the guide blocks (25) are fixedly connected to each clamping block (24).
3. The air-driven urea nozzle airtight test platform according to claim 2, wherein a guide assembly (3) is assembled between the feeding mechanism (2) and the tightness testing mechanism (4), the guide assembly (3) is composed of a fixing frame (31) and a guide roller (32), the top of the fixing frame (31) is fixed at the bottom of the supporting plate (26), and the guide roller (32) is rotationally connected with the fixing frame (31).
4. A gas-driven urea nozzle airtight test platform according to claim 3, wherein the gas supply assembly (45) is composed of a first fixing pile (451), a gas supply disc (452), a first connecting rod (453) and a first air cylinder (454), the first fixing pile (451) is fixed at the bottom of the fixing frame (31), two ends of the first connecting rod (453) are hinged with the output ends of the gas supply disc (452) and the first air cylinder (454) respectively, the gas supply disc (452) is rotatably connected with the first fixing pile (451), and the first air cylinder (454) is fixed on the fixing frame (31).
5. The air-driven urea nozzle airtight test platform according to claim 1, wherein the bottom blocking assembly (46) is composed of a second fixing pile (461), a blocking disc (462), a second connecting rod (463) and a second air cylinder (464), the second fixing pile (461) is fixed at the bottom of the fixing plate (41), the blocking disc (462) is rotationally connected with the second fixing pile (461), two ends of the second connecting rod (463) are hinged with the output ends of the blocking disc (462) and the second air cylinder (464) respectively, the second air cylinder (464) is fixed on the fixing plate (41), and the blocking disc (462) is embedded inside the second fixing ring (49).
6. The air-driven urea nozzle airtight test platform according to claim 1, wherein the pumping air component (47) is composed of an air pump (471), a first air duct (472), a second air duct (473) and a third air duct (474), the air pump (471) is fixed on the fixing plate (41), a first pipe joint is fixed on the side surface of the air bag ring (48), one end of the first air duct (472) is connected and fixed with the first pipe joint, the other end of the first air duct (472) is connected and fixed with the air outlet end of the air pump (471), the side surface of the second fixing ring (49) is connected and fixed with the second pipe joint, one end of the second air duct (473) is connected and fixed with the air inlet end of the air pump (471), one end of the third air duct (474) is connected and fixed with the first pipe joint, and the other end of the third air duct (474) is connected and fixed with the upper surface of the air supply plate (452).
7. The air-driven urea nozzle airtight test platform according to claim 6, wherein a sealing ring is fixed on the lower surface of the air feeding disc (452), an air outlet hole is formed in the lower surface of the air feeding disc (452), and an inner cavity of the third air duct (474) is communicated with an inner cavity of the air feeding disc (452).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961185.1A CN116659758B (en) | 2023-08-02 | 2023-08-02 | Air-tightness test platform for air-driven urea nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310961185.1A CN116659758B (en) | 2023-08-02 | 2023-08-02 | Air-tightness test platform for air-driven urea nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116659758A true CN116659758A (en) | 2023-08-29 |
| CN116659758B CN116659758B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310961185.1A Active CN116659758B (en) | 2023-08-02 | 2023-08-02 | Air-tightness test platform for air-driven urea nozzle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1293390A (en) * | 1968-10-23 | 1972-10-18 | Owens Illinois Inc | Leak detector |
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