CN115791411A - Stainless steel ripples hose resistance to pressure check out test set - Google Patents
Stainless steel ripples hose resistance to pressure check out test set Download PDFInfo
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- CN115791411A CN115791411A CN202211269814.6A CN202211269814A CN115791411A CN 115791411 A CN115791411 A CN 115791411A CN 202211269814 A CN202211269814 A CN 202211269814A CN 115791411 A CN115791411 A CN 115791411A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention belongs to the technical field of performance detection of stainless steel corrugated hoses, and provides pressure resistance detection equipment for a stainless steel corrugated hose.
Description
Technical Field
The invention belongs to the technical field of performance detection of stainless steel corrugated hoses, and particularly relates to pressure resistance detection equipment of a stainless steel corrugated hose.
Background
The stainless steel corrugated hose is an industrial metal material with flexibility, good temperature resistance and pressure resistance. Classified by use: mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm and a diaphragm capsule and the like. The metal corrugated pipe is formed by performing waveform processing on a thin-wall stainless steel welded pipe, is rich in flexibility and good in temperature resistance and pressure resistance, is used in gas transmission in most and common places of stainless steel corrugated hoses in life, particularly in communication of household gas, and has important requirements on whether the stainless steel corrugated hoses are good or not in performance, the stainless steel corrugated hoses can perform safe gas transmission, and the pressure resistance of the stainless steel corrugated hoses is an important index for judging whether the stainless steel corrugated hoses are safe or not.
Some existing stainless steel corrugated hose pressure resistance detection equipment has limited detection accuracy when pressure resistance detection is performed on a stainless steel corrugated hose, namely, in the actual use process of the stainless steel corrugated hose, gas transmission operation is continuously performed inside the stainless steel corrugated hose, but some existing detection devices perform pressure resistance detection only by placing the stainless steel corrugated hose in a static state and an internal vacuum state, pressure resistance performance of the stainless steel corrugated hose under actual conditions cannot be really simulated, and the external form of the stainless steel corrugated hose is dynamically changed in the actual use process, namely, the stainless steel corrugated hose can be in various forms such as straight and bending according to different external environments, at the moment, the pressure resistance borne by the stainless steel corrugated hose in different forms can be changed along with the change.
Disclosure of Invention
The embodiment of the invention aims to provide equipment for detecting the pressure resistance of a stainless steel corrugated hose, and aims to solve the problem.
The invention is realized in this way, a structure diagram of a stainless steel wave hose pressure resistance detection device, comprising: a pressure-resistant detection box and a stainless steel corrugated hose body; the bottom end of the pressure-resistant detection box is provided with a detection box base, the top end of the pressure-resistant detection box is detachably provided with a detection box cover, the middle parts of the side walls at two sides of the pressure-resistant detection box are provided with detection through holes for the stainless steel wave hose body to pass in and out, two ends of the stainless steel wave hose body are fixedly provided with metal hose joints, the metal hose joints are detachably arranged in the detection through holes, namely, the metal hose joints are communicated with the stainless steel wave hose body and are positioned in the detection through holes, so that the two ends of the stainless steel wave hose body are fixed, the middle part of the stainless steel wave hose body is arranged in the pressure-resistant detection box to wait for pressure resistance detection, a plurality of groups of stainless steel wave hose shape adjusting mechanisms are uniformly distributed in the pressure-resistant detection box, the stainless steel wave hose shape adjusting mechanisms are sleeved on the stainless steel wave hose body and are used for adjusting the height and the front-back direction position corresponding to the position of the stainless steel wave hose body, namely, the pressure resistance detection is carried out in different states in the actual use process of the simulated stainless steel wave hose body, the outer ends of the metal hose joints at the two sides are respectively communicated with a vacuumizing mechanism and a gas pressure resistance detection mechanism, the vacuumizing mechanism is used for vacuumizing the inside of the stainless steel wave hose body for sealing pressure resistance detection, meanwhile, the inside of a pressure resistance detection box can be cleaned when the stainless steel wave hose body runs, the cleanness of the inside of the pressure resistance detection box is kept, the influence of external dust impurities on the stainless steel wave hose body in the pressure resistance detection is reduced, the gas pressure resistance detection mechanism is used for inputting colored gas into the stainless steel wave hose body, even if any part of the stainless wave hose body is clearly observed to be broken, and meanwhile, the pressure resistance detection mechanism can control the gas flowing speed in the stainless steel wave hose body, namely, the pressure resistance performance detection is carried out when the gas in the stainless steel wave hose body flows in a real simulation mode.
According to the equipment for detecting the pressure resistance of the stainless steel wave hose, one end of the stainless steel wave hose body, which is sealed, is opened, then the gas flow in the stainless steel wave hose body is kept, the using state of the stainless steel wave hose body under the actual condition is simulated by controlling the gas discharge amount at the output end of the stainless steel wave hose body, at the moment, the gas amount at the input end of the stainless steel wave hose body is continuously increased, the pressure resistance condition in the stainless steel wave hose body is observed, and the high-accuracy pressure resistance detection of the equipment on the stainless steel wave hose body is realized through the pressure resistance detection of the stainless steel wave hose body under various states and forms.
Drawings
Fig. 1 is a schematic perspective view of a stainless steel corrugated hose pressure resistance detection device.
Fig. 2 is a schematic structural diagram of a stainless steel corrugated hose pressure resistance detection device in a front view.
Fig. 3 is a schematic rear view of a stainless steel corrugated hose pressure resistance detection device.
Fig. 4 is a schematic side view of a stainless steel corrugated hose pressure resistance detection device.
Fig. 5 is a schematic top view of a stainless steel wave hose pressure resistance testing apparatus.
Fig. 6 is a schematic structural diagram of a stainless steel corrugated hose form adjusting mechanism in the stainless steel corrugated hose pressure resistance detection device.
FIG. 7 is an enlarged schematic view of A1 in FIG. 2;
in the drawings: the pressure resistance detection box comprises a pressure resistance detection box 10, a detection box base 11, a metal hose joint 12, a stainless steel corrugated hose body 13, a detection box cover 14, a liquid conveying pipe 15, a three-way joint 16, a communicating pipe 17, a detection gas return pipe 18, a gas compression device 19, an input flow monitor 20, an output flow monitor 21, a liquid temporary storage bin 22, a piston plate 23, a hydraulic rod 24, a hydraulic cylinder 25, an immersion pipe 26, a filter screen 27, a detection gas box 28, a stainless steel corrugated hose shape adjusting mechanism 29, an adjusting ring 30, a positioning inner ring 31, a fixed block 32, a free telescopic rod 33, a nut 34, a lead screw 35, a rotating rod 36, a rotating handle 37, an observation window 38, an adjusting screw 39, an internal thread groove block 40, a sliding block 41, a sliding rail 42, a rotating ring 43, a rotating shaft 44, an electromagnetic valve 45, a one-way valve 46 and a gas flow adjusting valve 47.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 5, a structure diagram of a pressure resistance detection device for a stainless steel corrugated hose according to an embodiment of the present invention includes: a pressure-resistant detection box 10 and a stainless steel corrugated hose body 13; the bottom end of a pressure-resistant detection box 10 is provided with a detection box base 11, the top end of the pressure-resistant detection box 10 is detachably provided with a detection box cover 14, the middle parts of the side walls at two sides of the pressure-resistant detection box 10 are provided with detection through holes for the stainless steel corrugated hose body 13 to pass in and out, two ends of the stainless steel corrugated hose body 13 are fixedly provided with metal hose joints 12, the metal hose joints 12 are detachably arranged in the detection through holes, namely, the metal hose joints 12 are communicated with the stainless steel corrugated hose body 13 and are positioned in the detection through holes, so that two ends of the stainless steel corrugated hose body 13 are fixed, the middle part of the stainless steel corrugated hose body is arranged in the pressure-resistant detection box 10 to wait for pressure resistance detection, a plurality of groups of stainless steel corrugated hose shape adjusting mechanisms 29 are uniformly distributed in the pressure-resistant detection box 10, and the stainless steel corrugated hose shape adjusting mechanisms 29 are sleeved on the stainless steel corrugated hose body 13, the device is used for adjusting the height and the front-back direction position corresponding to the position of the stainless steel wave hose body 13, namely simulating the actual use process of the stainless steel wave hose body 13, and performing pressure resistance detection in different states, the outer ends of the metal hose joints 12 on two sides are respectively communicated with a vacuumizing mechanism and a gas pressure resistance detection mechanism, the vacuumizing mechanism is used for vacuumizing the inside of the stainless steel wave hose body 13 to perform sealing pressure resistance detection, meanwhile, the stainless steel wave hose body 13 can be cleaned in the pressure resistance detection box 10 during operation to maintain the cleanness inside the pressure resistance detection box 10, the influence of external dust impurities on the stainless steel wave hose body 13 during pressure resistance detection is reduced, the gas pressure resistance detection mechanism is used for inputting colored gas into the stainless steel wave hose body 13, and even if any part of the stainless steel wave hose body 13 is clearly observed to break, meanwhile, the pressure resistance detection mechanism can control the flowing speed of the gas inside the stainless steel corrugated hose body 13, namely the pressure resistance performance detection when the gas inside the stainless steel corrugated hose body 13 flows is truly simulated;
the stainless steel wave hose body 13 arranged inside the pressure-resistant detection box 10 is adjusted in front and back and height positions correspondingly through a stainless steel wave hose form adjusting mechanism 29, then the stainless steel wave hose body is fixed in detection through holes at two sides of the pressure-resistant detection box 10 through metal hose joints 12 at two ends of the stainless steel wave hose body 13, then a vacuumizing mechanism operates to completely remove air inside the stainless steel wave hose body 13, meanwhile, one end of the stainless steel wave hose body 13 is sealed, then colored gas is continuously input into the stainless steel wave hose body 13 by the gas pressure resistance detecting mechanism, along with the continuous increase of the gas pressure inside the stainless steel wave hose body 13, until the stainless steel wave hose body 13 breaks, at the moment, the gas inside the stainless steel wave hose body 13 overflows, the gas pressure inside the stainless steel wave hose body 13 at the moment is recorded, the pressure resistance of the stainless steel wave hose body 13 in a sealed state is detected, then one end sealed by the stainless steel wave hose body 13 is opened, then the gas discharge amount of the stainless steel wave hose body 13 is controlled, the pressure resistance of the stainless steel wave hose body 13 in a sealed state is detected, and the actual use state of the stainless steel wave hose 13 is continuously observed, and the stainless steel wave hose 13 is detected.
In the embodiment of the present invention, the stainless steel corrugated hose form adjusting mechanism 29 can operate the form adjustment of the stainless steel corrugated hose body 13 in advance, so as to prevent two ends of the stainless steel corrugated hose body 13 from being unable to stretch after the metal hose connector 12 is fixed, and since the stainless steel corrugated hose body 13 has a certain expansion capability, the form of the stainless steel corrugated hose body 13 disposed inside the pressure-resistant detection box 10 can be continuously adjusted during the detection process, so as to fully simulate the pressure-resistant detection condition of the stainless steel corrugated hose body 13 in various forms, the metal hose connector 12 and the detection through hole are in a snap-fit communication manner, so as to facilitate the installation and removal of the two, that is, the stainless steel corrugated hose bodies 13 with different lengths are selected for detection, thereby facilitating the adjustment of different forms of the stainless steel corrugated hose body 13, visually observing the detection result inside the pressure-resistant detection box 10, the side wall of the detection box 10 is provided with the observation window 38 with a transparent structure, four corners of the bottom of the detection box 14 are provided with four pressure-resistant clamp pins, the top of the corresponding pressure-resistant detection box 10 is provided with clamp grooves, and the clamp pins are clamped in the top of the box cover 14, so as to facilitate the installation and the detection box cover 14 to achieve the installation and the detection box.
In an example of the present invention, the gas pressure resistance detection mechanism includes a three-way joint 16 and a communicating pipe 17 which are communicated with the outer ends of the metal hose joints 12 at two sides, the bottom end of the three-way joint 16 is communicated with a detection gas tank 28 fixed on the detection tank base 11, a pressure pump is arranged at the output end of the detection gas tank 28 and used for controlling the pressure input into the three-way joint 16, the tail end of the communicating pipe 17 is communicated with a detection gas return pipe 18, a gas flow regulating valve 47 is arranged at the communication position of the communicating pipe 17 and the detection gas return pipe 18 and used for controlling the input amount of gas towards the detection gas return pipe 18, namely, controlling the pressure resistance detection in a sealed state or in a gas flowing state in the stainless steel wave hose body 13, the tail end of the detection gas return pipe 18 is communicated with a gas compression device 19 fixed on the detection tank base 11 at one side of the detection gas tank 28, the output end of the gas compression device 19 is communicated with the detection gas tank 28, the gas transmitted into the gas compression device 19 through the detection gas return pipe 18 is pressurized and then input into the detection gas tank 28 for repeated use, the pressure resistance detection hose 19 is far higher than the maximum gas flow rate of the gas flow of the detection hose 18, thereby ensuring that the stainless steel wave detection hose 13 can not affect the flow detection, and the flow detection hose 13 can be detected;
the ozone gas is stored in the detection gas box 28, is non-toxic and odorless, and is dark blue when in contact with air, and the ozone gas is input into the stainless steel wave hose body 13 to be subjected to pressure resistance detection, so that once a certain part of the stainless steel wave hose body 13 is broken, the ozone in the stainless steel wave hose body directly overflows to be in contact with the air in the pressure resistance detection box 10, and the broken position of the stainless steel wave hose body 13 can be quickly and intuitively found.
As a preferred embodiment of the present invention, the vacuum pumping mechanism comprises a liquid temporary storage bin 22 disposed inside the detection box base 11 corresponding to the bottom of the pressure-resistant detection box 10, the liquid temporary storage bin 22 is communicated with a liquid return pipe towards one side of the communication pipe 17, the top end of the liquid return pipe is communicated with the communication pipe 17, the top end of the three-way joint 16 is communicated with a liquid transfer pipe 15, the other end of the liquid transfer pipe 15 movably penetrates through the detection box cover 14 and extends into the pressure-resistant detection box 10, and is communicated with an immersion pipe 26, the bottom end of the immersion pipe 26 is disposed at the bottom inside the pressure-resistant detection box 10, a water pump is disposed on the liquid transfer pipe 15 at the top surface of the detection box cover 14, that is, the water pump is started to input the liquid inside the pressure-resistant detection box 10 into the liquid transfer pipe 15 through a filter screen 27, then the output end of the detection gas box 28 is closed, the liquid inside the detection box 15 is input into the stainless steel corrugated hose body 13 along the metal hose connector 12, at this time, the communication position of the communication pipe 17 and the detection gas return pipe 18 is also in a closed state, then the liquid flows into the liquid return pipe 13 through the stainless steel corrugated hose body 13, and then the liquid temporary storage bin 22, the liquid passes through the stainless steel corrugated hose body, so as to remove air inside the stainless steel corrugated hose 13, thereby achieving the purpose of the stainless hose 13;
the inside of the liquid return pipe is provided with a check valve 46 for preventing the liquid entering the inside of the liquid temporary storage bin 22 from flowing back into the liquid return pipe;
an input flow monitor 20 for monitoring the flow amount of input liquid towards the stainless steel wave hose body 13 is arranged on the liquid conveying pipe 15, an output flow monitor 21 for monitoring the flow amount of output liquid from the stainless steel wave hose body 13 is arranged on the liquid return pipe, and the comparison of the input flow monitor 20 and the output flow monitor 21 on the flow amount of input liquid and the output flow amount inside the stainless steel wave hose body 13 is utilized to ensure that the air inside the stainless steel wave hose body 13 can be accurately cleared and liquid is prevented from remaining inside the stainless steel wave hose body 13, so that the accuracy of the subsequent pressure resistance detection of the stainless steel wave hose body 13 is influenced;
the top of one side of the liquid temporary storage bin 22 facing the liquid return pipe is communicated with the bottom inside the pressure-resistant detection box 10, a piston plate 23 for controlling the liquid inside the liquid temporary storage bin 22 to flow back to the inside of the pressure-resistant detection box 10 is arranged inside the liquid temporary storage bin 22, a hydraulic rod 24 is connected to the middle of one end, away from the liquid return pipe, of the piston plate 23, a hydraulic cylinder 25 is installed at the end of the hydraulic rod 24, namely the hydraulic cylinder 25 is started to control the hydraulic rod 24 to stretch and retract, and then the piston plate 23 is driven to transversely move inside the liquid temporary storage bin 22, the width and height of the piston plate 23 are the same as the corresponding width and height inside the liquid temporary storage bin 22, a sealing ring is wrapped on the outer surface of the piston plate 23, namely the piston plate 23 can be controlled to control the liquid flow on one side, away from the hydraulic rod 24, when transversely moving, the liquid temporary storage bin 22 is communicated with the bottom of the pressure-resistant detection box 10, and a one-way valve 46 is arranged in the liquid return pipe, so that the liquid can be returned to the inside the pressure-resistant detection box 10 for reuse.
In a preferred embodiment of the present invention, the inside of the pressure-resistant detection chamber 10 can be cleaned to a certain extent by controlling the flow of the liquid among the pressure-resistant detection chamber 10, the liquid transfer tube 15, the stainless steel bellows body 13, the communication tube 17, the liquid return tube, and the liquid temporary storage 22, and the gas for pressure-resistant detection of the stainless steel bellows body 13 is ozone, which generates high heat when contacting oxygen in the air when the gas has a too high concentration, and is liable to cause danger.
As a preferred embodiment of the present invention, solenoid valves are disposed on both ends of the three-way joint 16, an end of the communicating pipe 17, the liquid return pipe, and the detection gas return pipe 18, that is, the flow of gas or liquid between the pipes is controlled by the solenoid valves.
Referring to fig. 6-7, as a preferred embodiment of the present invention, the stainless steel wave hose shape adjusting mechanism 29 includes a plurality of lead screws 35 that are disposed at equal intervals and rotatably in the bottom of the pressure-resistant detection box 10 and distributed along the front-back direction, the two ends of the lead screws 35 are installed with rotating rods 36, wherein the rotating rod 36 at one end is rotatably connected to the inner wall of the pressure-resistant detection box 10, the rotating rod 36 at the other end is movably connected to a rotating handle 37 through the wall of the pressure-resistant detection box 10 and outwardly through the wall of the pressure-resistant detection box 10, that is, the lead screw 35 is driven to rotate by manually rotating the rotating handle 37, and sealing rings are disposed inside and outside the movable communication part between the rotating rod 36 and the wall of the pressure-resistant detection box 10 for preventing the liquid inside the pressure-resistant detection box 10 from leaking;
a nut 34 is connected to the screw 35 in a threaded manner, a phase guiding device for limiting the rotation of the nut 34 is arranged on the nut 34, a free telescopic rod 33 is arranged at the top end of the nut 34, an adjusting ring 30 is arranged at the top end of the free telescopic rod 33, the aperture of the adjusting ring 30 is larger than the diameter of the stainless steel corrugated hose body 13, the stainless steel corrugated hose body 13 to be detected penetrates through the adjusting ring 30, then the form of the stainless steel corrugated hose body 13 at the corresponding position is adjusted while the adjusting ring 30 moves, a fixed block 32 is arranged at the top end of the adjusting ring 30, a rotating groove is formed in the top end of the fixed block 32, a rotating shaft 44 is rotatably connected in the rotating groove, an adjusting screw 39 is arranged at the top end of the rotating shaft 44, a sliding port in the front-back direction is formed in the detection box cover 14 corresponding to the top end of the adjusting screw 39, an internal thread groove block 40 is connected to the upper side of the adjusting screw 39 in a threaded manner through the sliding port, a rotating ring 43 is arranged at the top end of the adjusting screw 39, namely, the adjusting screw 39 is manually rotated in the adjusting groove block 40, then the adjusting ring 43 is controlled to ascend and descend, the adjusting ring 30, then the adjusting screw 35 is adjusted to adjust the height of the stainless steel corrugated hose body 13, and the stainless steel corrugated hose 13 under the adjusting ring 35, thereby realizing different pressure resistance states of the stainless steel corrugated hose 13;
because the structure of the outer side of the stainless steel wave hose body 13 is corrugated, in order to reduce the sliding between the adjusting ring 30 and the stainless steel wave hose body 13 after the adjusting ring is sleeved on the stainless steel wave hose body, the inner side of the adjusting ring 30 is provided with a circle of positioning inner rings 31, the sections of the positioning inner rings 31 are in an isosceles triangle structure, and the sliding between the adjusting ring 30 and the stainless steel wave hose body 13 is reduced by utilizing the embedded positioning between the positioning inner rings 31 and the corrugations of the stainless steel wave hose body 13.
In order to ensure that the internal thread groove block 40 can stably move along the sliding opening, the sliding blocks 41 are installed at the bottoms of the two sides of the internal thread groove block 40, the top of the detection box cover 14 corresponding to the sliding block 41 is provided with a sliding rail 42, the sliding block 41 is slidably connected in the sliding rail 42, and the vertical sections of the sliding block 41 and the sliding rail 42 are in a T-shaped structure for keeping the vertical stability of the sliding block and the sliding rail when the sliding block and the sliding rail slide.
When the pressure resistance detection equipment for the stainless steel corrugated hose is used, the middle section of a stainless steel corrugated hose body 13 to be detected is placed in a pressure resistance detection box 10, metal hose joints 12 are installed at two ends of the stainless steel corrugated hose body, the metal hose joints 12 are fixed in detection through holes, and then the pressure resistance detection is carried out on the stainless steel corrugated hose body 13: (1) The sealed pressure resistance detection is carried out on the stainless steel corrugated hose body 13, the interior of the stainless steel corrugated hose body 13 is vacuumized, liquid in the pressure resistance detection box 10 is transmitted into the infusion tube 15 along the immersion tube 26 by starting a water pump, the communication part of the detection gas box 28 and the three-way joint 16 is closed at the moment, the communication part of the communication tube 17 and the detection gas return tube 18 is closed, then the air can be completely discharged from the liquid input into the stainless steel corrugated hose body 13 by observing the flow rate of the liquid passing through the input flow rate monitor 20 and the output flow rate monitor 21, then the liquid output from the stainless steel corrugated hose body 13 flows into the liquid temporary storage bin 22 through the liquid return tube, the end part of the communication tube 17 is closed at the moment, and then the swivel 43 is manually controlled, the rotating handle 37 rotates, then the stainless steel wave hose body 13 in the corresponding adjusting ring 30 is controlled to adjust the front, back and height, the shape of the stainless steel wave hose body 13 is changed, then a pressure pump on the detection gas box 28 is started, gas in the stainless steel wave hose body 13 is conveyed towards the inside of the stainless steel wave hose body 13, then the pressure of the gas in the stainless steel wave hose body 13 is continuously increased until the stainless steel wave hose body 13 is broken, the gas in the stainless steel wave hose body 13 overflows at the moment, the contact reaction between the overflowed ozone and the air is dark blue, the pressure inside the stainless steel wave hose body 13 is directly observed from the outside, and the pressure inside the stainless steel wave hose body 13 at the moment is recorded, so that the pressure resistance of the stainless steel wave hose body 13 in a sealed state is detected;
(2) The method comprises the steps of carrying out gas flow type pressure resistance detection on a stainless steel wave hose body 13, repeating the vacuumizing treatment on the inside of the stainless steel wave hose body 13, closing a communication pipe 17 and a liquid return pipe when the inside of the stainless steel wave hose body 13 is in a vacuum state, opening an electromagnetic valve 45 at the communication part of the communication pipe 17, controlling the opening size of a gas flow regulating valve 47, starting a gas pressure pump on a detection gas tank 28 to convey gas towards the inside of the stainless steel wave hose body 13, adjusting the shape of the stainless steel wave hose body 13 before detection, conveying the gas flowing inside the stainless steel wave hose body 13 into a gas compression device 19 through a detection gas return pipe 18, compressing the gas into the detection gas tank 28 through the gas compression device 19, simulating the pressure condition inside the stainless steel wave hose body 13 under a real condition by controlling the difference of gas flow between the gas flow regulating valve 47 and the gas pressure pump, and then detecting the pressure resistance limit of the stainless steel wave hose body 13 under various conditions.
The method comprises the steps that a stainless steel wave hose body 13 arranged inside a pressure-resistant detection box 10 is adjusted in front, back and height positions correspondingly through a stainless steel wave hose shape adjusting mechanism 29, then the stainless steel wave hose body is fixed in detection through holes in two sides of the pressure-resistant detection box 10 through metal hose connectors 12 at two ends of the stainless steel wave hose body 13, then a vacuumizing mechanism runs to completely remove air inside the stainless steel wave hose body 13, one end of the stainless steel wave hose body 13 is sealed, colored gas is continuously input into the stainless steel wave hose body 13 by the gas pressure resistance detecting mechanism, until the stainless steel wave hose body 13 breaks due to continuous increase of gas pressure inside the stainless steel wave hose body 13, at the moment, the gas inside the stainless steel wave hose body 13 overflows, the gas pressure inside the stainless steel wave hose body 13 at the moment is recorded, and the pressure resistance of the stainless steel wave hose body 13 at the two ends in a sealed state is detected;
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A stainless steel ripples hose pressure resistance check out test set, characterized in that, stainless steel ripples hose pressure resistance check out test set includes: a pressure-resistant detection box (10) and a stainless steel corrugated hose body (13); a detection box base (11) is installed at the bottom end of a pressure-resistant detection box (10), a detection box cover (14) is detachably installed at the top end of the pressure-resistant detection box (10), detection through holes for the stainless steel corrugated hose body (13) to enter and exit are formed in the middle of the side walls of the two sides of the pressure-resistant detection box (10), metal hose joints (12) are fixedly installed at the two ends of the stainless steel corrugated hose body (13), and the metal hose joints (12) are detachably installed in the detection through holes;
the stainless steel corrugated hose shape adjusting mechanisms (29) are provided with a plurality of groups and are uniformly distributed in the pressure-resistant detection box (10), and the stainless steel corrugated hose shape adjusting mechanisms (29) are sleeved on the stainless steel corrugated hose body (13) and are used for adjusting the height and the front-back direction position of the stainless steel corrugated hose body (13);
the vacuumizing mechanism is communicated with the outer end of the metal hose joint (12) on one side and is used for vacuumizing the interior of the stainless steel corrugated hose body (13) to detect the sealing pressure resistance;
and the gas pressure resistance detection mechanism is communicated with the outer end of the metal hose joint (12) on the other side and is used for inputting colored gas into the stainless steel corrugated hose body (13), and the pressure resistance detection mechanism controls the flow speed of the gas inside the stainless steel corrugated hose body (13), so that the pressure resistance performance detection during the flow of the gas inside the stainless steel corrugated hose body (13) is truly simulated.
2. The stainless steel wave hose pressure resistance detection device according to claim 1, wherein an observation window (38) of a transparent structure is arranged on a side wall of the pressure resistance detection box (10), four clamping pins are installed at four corners of the bottom of the detection box cover (14), clamping grooves are formed in the top of the pressure resistance detection box (10) corresponding to the clamping pins, and the clamping pins are clamped in the clamping grooves.
3. The stainless steel corrugated hose pressure resistance detection device according to claim 1, wherein the gas pressure resistance detection mechanism comprises a three-way joint (16) and a communication pipe (17) which are communicated with the outer ends of the metal hose joints (12) at two sides, the bottom end of the three-way joint (16) is communicated with a detection gas tank (28) fixed on a detection tank base (11), the output end of the detection gas tank (28) is provided with a pressure pump, the tail end of the communication pipe (17) is communicated with a detection gas return pipe (18), a gas flow regulating valve (47) is arranged at the communication position of the communication pipe (17) and the detection gas return pipe (18), the tail end of the detection gas return pipe (18) is communicated with a gas compression device (19) fixed on the detection tank base (11) at one side of the detection gas tank (28), and the output end of the gas compression device (19) is communicated with the detection gas tank (28).
4. The stainless steel wave hose pressure resistance test device of claim 3, wherein ozone gas is stored inside the test gas tank (28).
5. The equipment for detecting the pressure resistance of the stainless steel corrugated hose according to claim 4, wherein the vacuumizing mechanism comprises a liquid temporary storage bin (22) arranged inside a detection box base (11) corresponding to the bottom of the pressure-resistant detection box (10), one side, facing a communicating pipe (17), of the liquid temporary storage bin (22) is communicated with a liquid return pipe, the top end of the liquid return pipe is communicated with the communicating pipe (17), a liquid conveying pipe (15) is communicated with the top end of the three-way joint (16), the other end of the liquid conveying pipe (15) movably penetrates through a detection box cover (14) and extends into the pressure-resistant detection box (10) and is communicated with a dip pipe (26), the bottom end of the dip pipe (26) is arranged at the inner bottom of the pressure-resistant detection box (10), a water pump is arranged on the liquid conveying pipe (15) positioned on the top surface of the detection box cover (14), and liquid inside the liquid conveying pipe (15) is input into the stainless steel corrugated hose body (13) along the metal hose joint (12).
6. The stainless steel corrugated hose pressure resistance detection device according to claim 5, wherein the infusion tube (15) is provided with an input flow monitor (20) for monitoring the flow of the input liquid into the stainless steel corrugated hose body (13), and the liquid return tube is provided with an output flow monitor (21) for monitoring the flow of the output liquid from the stainless steel corrugated hose body (13).
7. The stainless steel corrugated hose pressure resistance detection device according to claim 6, wherein the top of one side of the liquid temporary storage bin (22) facing the liquid return pipe is communicated with the bottom inside the pressure resistance detection box (10), a piston plate (23) for controlling the liquid inside the liquid temporary storage bin (22) to flow back to the inside of the pressure resistance detection box (10) is arranged inside the liquid temporary storage bin (22), a hydraulic rod (24) is connected to the middle of one end of the piston plate (23) far away from the liquid return pipe, a hydraulic cylinder (25) is installed at the end of the hydraulic rod (24), and the width and height of the piston plate (23) are the same as the corresponding width and height inside the liquid temporary storage bin (22).
8. The stainless steel corrugated hose pressure resistance detection device according to claim 7, wherein electromagnetic valves are arranged at two ends of the three-way joint (16), at an end of the communicating pipe (17), on the liquid return pipe and on the detection gas return pipe (18).
9. The stainless steel corrugated hose pressure resistance detection device according to claim 8, wherein the stainless steel corrugated hose shape adjusting mechanism (29) comprises a plurality of lead screws (35) which are arranged at the bottom in the pressure resistance detection box (10) in a rotating manner at equal intervals and distributed along the front-back direction, rotating rods (36) are arranged at two ends of each lead screw (35), one rotating rod (36) is rotatably connected into the inner wall of the pressure resistance detection box (10), and the other rotating rod (36) movably penetrates through the wall of the pressure resistance detection box (10) and is connected with a rotating handle (37) outwards;
threaded connection has nut (34) on lead screw (35), be provided with the looks device of leading that is used for restricting its rotation on nut (34), free telescopic link (33) is installed on nut (34) top, adjustable ring (30) are installed on free telescopic link (33) top, adjustable ring (30) aperture is greater than stainless steel ripples hose body (13) diameter, fixed block (32) are installed on adjustable ring (30) top, the swivelling chute has been seted up at fixed block (32) top, the swivelling chute internal rotation is connected with axis of rotation (44), adjusting screw (39) are installed on axis of rotation (44) top, set up along fore-and-aft direction's sliding opening on the detection case lid (14) that adjusting screw (39) top corresponds, adjusting screw (39) upside passes sliding opening and to last threaded connection has internal thread groove piece (40), change (43) are installed on adjusting screw (39) top.
10. The stainless steel wave hose pressure resistance detection device according to claim 9, wherein a circle of positioning inner ring (31) is arranged on the inner side of the adjusting ring (30), and the section of the positioning inner ring (31) is in an isosceles triangle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211269814.6A CN115791411A (en) | 2022-10-18 | 2022-10-18 | Stainless steel ripples hose resistance to pressure check out test set |
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| CN202211269814.6A CN115791411A (en) | 2022-10-18 | 2022-10-18 | Stainless steel ripples hose resistance to pressure check out test set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347174A (en) * | 2023-12-05 | 2024-01-05 | 沈阳明瑞镁业有限公司 | Metal material plastic yield strength detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117347174A (en) * | 2023-12-05 | 2024-01-05 | 沈阳明瑞镁业有限公司 | Metal material plastic yield strength detection device |
| CN117347174B (en) * | 2023-12-05 | 2024-02-06 | 沈阳明瑞镁业有限公司 | Metal material plastic yield strength detection device |
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