CN114577408A - Hydraulic pipe air tightness detection device and operation method thereof - Google Patents
Hydraulic pipe air tightness detection device and operation method thereof Download PDFInfo
- Publication number
- CN114577408A CN114577408A CN202210375816.7A CN202210375816A CN114577408A CN 114577408 A CN114577408 A CN 114577408A CN 202210375816 A CN202210375816 A CN 202210375816A CN 114577408 A CN114577408 A CN 114577408A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hydraulic
- pipe
- plate
- hydraulic pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000000903 blocking effect Effects 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 37
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 37
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 37
- 241001330002 Bambuseae Species 0.000 claims abstract description 36
- 239000011425 bamboo Substances 0.000 claims abstract description 36
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 33
- 238000012360 testing method Methods 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 239000012780 transparent material Substances 0.000 claims description 7
- 244000208734 Pisonia aculeata Species 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000005012 migration Effects 0.000 description 7
- 238000013508 migration Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
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
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a hydraulic pipe air tightness detection device and an operation method thereof, wherein the hydraulic pipe air tightness detection device comprises a bottom plate, a top plate, a hydraulic cylinder, a push plate, an upper plugging cylinder, an adjusting plate, a lower fixing cylinder and an air blower, and is characterized in that: the bottom plate on be provided with the stand perpendicularly, the roof setting on the stand, the pneumatic cylinder setting on the roof, the push pedal be connected with the piston rod, last stifled a section of thick bamboo install on last fixed cylinder, the regulating plate on be provided with the connecting hole, lower fixed cylinder install on the regulating plate, the air-blower setting on the roof. According to the invention, the push plate is pushed by the hydraulic cylinder and the piston rod to vertically move, so that the hydraulic pipes enter water in the water tank to carry out air tightness detection, the push plate is provided with the plurality of upper blocking cylinders, the adjusting plate is provided with the plurality of lower fixing cylinders, and the air tightness detection can be simultaneously carried out on the plurality of hydraulic pipes, so that the air tightness detection efficiency of the hydraulic pipes is improved, and the labor intensity of operators is reduced.
Description
Technical Field
The invention relates to the technical field of hydraulic pipe production, in particular to a hydraulic pipe air tightness detection device and an operation method thereof.
Background
At present, in the hydraulic pressure pipe course of working, the hydraulic pressure pipe that has damage such as crack, micropore sneaks into qualified product because of being difficult for by operating personnel naked eye identification, causes the qualification rate of hydraulic pressure pipe to descend, present hydraulic pressure pipe detects and carries out atmospheric pressure detection with water atmospheric pressure detection device mostly, patent No. 201821254236.8 has announced a hydraulic pressure pipe gas tightness detection device, it has solved the wet problem in the back hydraulic pressure pipe surface that finishes detecting, but it has hydraulic pressure pipe leakproofness poor in the testing process, can not detect many hydraulic pressure pipes simultaneously, the not high problem of testing result precision.
Disclosure of Invention
The invention aims to solve the problems that the air tightness detection device for the hydraulic pipes in the prior art has poor tightness, can not simultaneously detect a plurality of hydraulic pipes and has low detection result precision in the detection process, and provides the air tightness detection device for the production of the hydraulic pipes, which has the advantages of reasonable structural design, good tightness of the hydraulic pipes in the detection process, capability of simultaneously detecting the plurality of hydraulic pipes and high detection result precision.
The technical scheme adopted for solving the technical problem is as follows:
the utility model provides a hydraulic pipe gas tightness detection device, includes bottom plate, roof, pneumatic cylinder, push pedal, goes up stifled a section of thick bamboo, regulating plate, down a fixed section of thick bamboo and air-blower, its characterized in that: the bottom plate is vertically provided with a stand column, the bottom plate between the stand column and the stand column is provided with a water tank, the top plate is arranged on the stand column, the hydraulic cylinder is arranged on the top plate, the hydraulic cylinder is provided with a piston rod, the push plate is connected with the piston rod, the bottom of the push plate is provided with an upper fixed cylinder and a bearing rod, an inner cavity is arranged in the push plate and is communicated with the upper fixed cylinder, the upper plugging cylinder is arranged on the upper fixed cylinder and is communicated with the upper fixed cylinder, the adjusting plate is provided with a connecting hole, the bearing rod vertically penetrates into the connecting hole, the lower fixed cylinder is arranged on the adjusting plate, a lower plugging column is arranged in the lower fixed cylinder, the air blower is arranged on the top plate, an air conveying pipe is arranged on the air blower and is communicated with the inner cavity on the adjusting plate, and a hydraulic pipe required to be subjected to air tightness detection is vertically arranged between the upper plugging cylinder and the lower fixed cylinder, the air-blower is through in the inner chamber of defeated tuber pipe in to the push pedal, and through last solid fixed cylinder, go up stifled section of thick bamboo and to the intraductal air current that injects of hydraulic pressure, strengthen the intraductal atmospheric pressure of hydraulic pressure, the pneumatic cylinder, piston rod promotes push pedal vertical migration, make the hydraulic pressure pipe enter into the aquatic in the water tank and carry out the gas tightness and detect, be provided with a plurality of stifled section of thick bamboos of going up in the push pedal, be provided with a plurality of solid fixed cylinders down on the regulating plate, can carry out the gas tightness simultaneously to many hydraulic pressure pipes and detect, the detection efficiency of hydraulic pressure pipe gas tightness has been improved, operating personnel's intensity of labour has been reduced.
Preferably, the water tank on the bottom plate adopt transparent material to make, adopt transparent material to make with the water tank, the staff of being convenient for observes the gas tightness testing process of hydraulic pressure pipe in the water tank in real time, is convenient for discover unqualified hydraulic pressure pipe fast, improves the detection efficiency of hydraulic pressure pipe gas tightness.
Preferably, the push pedal on be provided with the fixture block, be provided with the draw-in groove on the fixture block to be provided with the sealing layer on the draw-in groove inner wall, the vertical push pedal vertical migration that promotes of pneumatic cylinder, piston rod, draw-in groove in the push pedal block water tank top edge, improve the leakproofness between push pedal and the water tank through the sealing layer, reduce the influence of external environment to hydraulic pressure pipe gas tightness testing result, and then improve the precision of hydraulic pressure pipe gas tightness testing result.
Preferably, go up stifled section of thick bamboo and down the structure that the solid fixed cylinder set up to the one-to-one, the hydraulic pressure pipe that will carry out the gas tightness detection is vertical places at last stifled section of thick bamboo under and between the solid fixed cylinder, the air-blower is in the inner chamber of defeated tuber pipe in to the push pedal, and through last solid fixed cylinder, upward stifled section of thick bamboo pours into the air current into to the hydraulic pressure intraductal, strengthen the intraductal atmospheric pressure of hydraulic pressure, the pneumatic cylinder, piston rod promote push pedal vertical migration, make the hydraulic pressure pipe enter into the aquatic of water tank and carry out the gas tightness and detect, be provided with a plurality of stifled sections of thick bamboo on the push pedal, be provided with a plurality of solid fixed cylinders down on the regulating plate, can carry out the gas tightness simultaneously to many hydraulic pressure pipes and detect, the detection efficiency of hydraulic pressure pipe gas tightness has been improved, operating personnel's intensity of labour has been reduced.
Preferably, go up stifled section of thick bamboo, down block up the post on the cover and be equipped with the sealing washer, the hydraulic pressure pipe that will carry out the gas tightness detection is vertical to be placed at last stifled section of thick bamboo under and between the solid fixed cylinder, make and go up stifled section of thick bamboo, down block up in the both ends of post inserts the hydraulic pressure pipe, can improve the leakproofness between solid fixed cylinder and hydraulic pressure pipe and lower stifled post and the hydraulic pressure pipe through the sealing washer, avoid the intraductal air current of hydraulic pressure from going up between solid fixed cylinder and the hydraulic pressure pipe and flow out down between stifled post and the hydraulic pressure pipe, improve the precision of hydraulic pressure pipe gas tightness testing result.
Preferably, the upper fixed cylinder is provided with a pressure gauge and a valve, the upper blocking cylinder is of a structure which can be replaced from the upper fixed cylinder, the pressure gauge can reflect the air pressure in the hydraulic pipe in real time, after the air tightness detection of the hydraulic pipe is completed, the valve is closed, the hydraulic pipe can be conveniently taken down from the upper blocking cylinder to the lower fixed cylinder, the working efficiency of the air tightness detection of the hydraulic pipe is improved, the corresponding upper blocking cylinder is selected according to the hydraulic pipes with different sizes, the sealing performance between the hydraulic pipe and the upper blocking cylinder can be improved, the universality of the air tightness detection device can also be improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
Preferably, the lower fixing cylinder is of a structure which can be replaced from the adjusting plate, the corresponding lower fixing cylinder is selected according to the hydraulic pipes with different sizes, the lower fixing cylinder is installed on the adjusting plate, and the lower plug column in the lower fixing cylinder is inserted into the bottom end of the hydraulic pipe, so that the sealing performance between the hydraulic pipe and the lower fixing cylinder can be improved, the universality of the air tightness detection device can be improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
Preferably, the carrier bar of regulating plate below on be provided with adjusting nut to pass through adjusting nut and set up the regulating plate into the structure that can adjust the height on the carrier bar, hydraulic pressure pipe length size that detects as required, through rotating adjusting nut, can promote the regulating plate and rise or descend along the carrier bar, thereby block up a section of thick bamboo in the adjustment, block up the distance between the post down, make gas tightness detection device can carry out the gas tightness to the hydraulic pressure pipe that length is different and detect, further improve gas tightness detection device's commonality, the application scope of gas tightness detection device has been enlarged, the cost of making many sets of gas tightness detection device has been reduced.
An operation method suitable for a hydraulic pipe airtightness detection device is characterized by comprising the following steps of:
firstly, the method comprises the following steps: checking whether a line of the hydraulic pipe air tightness detection device is normal or not, and whether a hydraulic cylinder, a blower, a pressure gauge and a valve can work normally or not;
secondly, the method comprises the following steps: according to the size and the length of a hydraulic pipe to be detected, a corresponding upper plugging cylinder and a corresponding lower fixing cylinder are selected, the upper plugging cylinder is mounted on the upper fixing cylinder, the lower fixing cylinder is mounted on an adjusting plate, the adjusting plate can be pushed to ascend or descend along a bearing rod by rotating an adjusting nut, so that the distance between the upper plugging cylinder and a lower plugging column is adjusted, and the hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper plugging cylinder and the lower fixing cylinder;
thirdly, the method comprises the following steps: opening a valve on the upper fixed cylinder, opening a blower, injecting airflow into the hydraulic pipe through the blower pipe to the inner cavity in the push plate, the upper fixed cylinder and the upper plugging cylinder to enhance the air pressure in the hydraulic pipe, and reflecting the pressure in the hydraulic pipe on a pressure gauge in real time;
fourthly: starting the hydraulic cylinder, pushing the push plate to vertically move by the hydraulic cylinder and the piston rod, enabling the hydraulic pipe to enter water in the water tank for air tightness detection, observing whether bubbles emerge from the hydraulic pipe, and if the bubbles emerge, proving that the air tightness of the hydraulic pipe is poor, otherwise, ensuring that the air tightness is good;
fifth, the method comprises the following steps: after the hydraulic pressure pipe gas tightness detects, close the air-blower, start hydraulic cylinder, promote the push pedal to the hydraulic pressure pipe in the pull-back aquatic, not hard up adjusting nut makes the regulating plate descend along the carrier bar, enlarges and goes up a stifled section of thick bamboo, down the distance between the stifled post, takes off hydraulic pressure pipe from last stifled section of thick bamboo, down between the stifled post, clears up the impurity that hydraulic pressure pipe gas tightness testing process produced, cuts off power supply.
Has the advantages that: the upper blocking barrel and the lower fixing barrel are arranged into a one-to-one corresponding structure, the hydraulic pipes to be subjected to air tightness detection are vertically placed between the upper blocking barrel and the lower fixing barrel, the air blower is conveyed into an inner cavity in the push plate through the air conveying pipe and injects air flow into the hydraulic pipes through the upper fixing barrel and the upper blocking barrel, so that air pressure in the hydraulic pipes is enhanced, the push plate is pushed by the hydraulic cylinder and the piston rod to vertically move, the hydraulic pipes enter water in the water tank to be subjected to air tightness detection, the push plate is provided with the plurality of upper blocking barrels, the adjusting plate is provided with the plurality of lower fixing barrels, so that the air tightness detection can be simultaneously performed on the plurality of hydraulic pipes, the air tightness detection efficiency of the hydraulic pipes is improved, and the labor intensity of operators is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention, illustrating a connection structure of a push plate and an upper fixed cylinder.
Fig. 3 is a partial structural view illustrating a connection structure of an adjusting plate and a lower fixing cylinder according to the present invention.
Fig. 4 is a partial structural schematic view of the present invention, illustrating a connection structure of a lower fixed cylinder and a lower plugging column.
Fig. 5 is a schematic diagram of another embodiment of the present invention.
In the figure: 1. the device comprises a bottom plate, a top plate, a hydraulic cylinder, a push plate, an upper blocking cylinder, a regulating plate, a lower fixing cylinder, a blower, a vertical column, a water tank, a piston rod, a clamping block, an upper fixing cylinder, a bearing rod, an inner cavity, a clamping groove, a sealing layer, a pressure gauge, a valve, a sealing ring, a sealing nut, a regulating nut, a connecting hole, a lower blocking column, a sealing pipe, a limiting plate and a limiting cylinder, wherein the bottom plate, the top plate, the hydraulic cylinder, the push plate, the upper blocking cylinder, the regulating plate, the lower fixing cylinder, the lower blocking cylinder, the upper blocking cylinder, the regulating cylinder, the air cylinder, the vertical column, the water tank, the piston rod, the clamping block and the sealing layer, the pressure gauge, the valve, the sealing layer and the sealing layer, and the sealing layer, and the sealing layer are arranged on the sealing layer, wherein the sealing layer, and the sealing layer are arranged on the sealing layer, and the sealing layer are arranged on the bottom plate, and the bottom plate, and the bottom plate, and the bottom plate are arranged in the bottom plate, and the bottom plate, and the.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-4, a hydraulic pipe gas tightness detection device includes bottom plate 1, roof 2, pneumatic cylinder 3, push pedal 4, goes up stifled a section of thick bamboo 5, regulating plate 6, down a fixed section of thick bamboo 7 and air-blower 8, its characterized in that: the bottom plate 1 is vertically provided with a column 9, the bottom plate 1 between the column 9 and the column 9 is provided with a water tank 10, the top plate 2 is arranged on the column 9, the hydraulic cylinder 3 is arranged on the top plate 2, the hydraulic cylinder 3 is provided with a piston rod 11, the push plate 4 is connected with the piston rod 11, the bottom of the push plate 4 is provided with an upper fixed cylinder 13 and a bearing rod 14, the push plate 4 is internally provided with an inner cavity 15, the inner cavity 15 is communicated with the upper fixed cylinder 13, the upper blocking cylinder 5 is arranged on the upper fixed cylinder 13, the upper blocking cylinder 5 is communicated with the upper fixed cylinder 13, the adjusting plate 6 is provided with a connecting hole 22, the bearing rod 14 vertically penetrates into the connecting hole 22, the lower fixed cylinder 7 is arranged on the adjusting plate 6, the lower fixed cylinder 7 is internally provided with a lower blocking column 23, the air blower 8 is arranged on the top plate 2, the air blower 8 is provided with an air conveying pipe 24, the air delivery pipe 24 is communicated with the inner cavity 15 on the adjusting plate 6, a hydraulic pipe needing to be subjected to air tightness detection is vertically placed between the upper blocking barrel 5 and the lower fixing barrel 7, the air blower 8 passes through the air delivery pipe 24 to the inner cavity 15 in the push plate 4 and passes through the upper fixing barrel 13, the upper blocking barrel 5 injects air flow into the hydraulic pipe, air pressure in the hydraulic pipe is enhanced, the hydraulic cylinder 3 and the piston rod 11 push the push plate 4 to vertically move, so that the hydraulic pipe enters water in the water tank 10 to be subjected to air tightness detection, the upper blocking barrels 5 are arranged on the push plate 4, the lower fixing barrels 7 are arranged on the adjusting plate 6, air tightness detection can be simultaneously carried out on multiple hydraulic pipes, air tightness detection efficiency of the hydraulic pipes is improved, and labor intensity of operators is reduced.
Preferably, the water tank 10 on the bottom plate 1 is made of transparent materials, the water tank 10 is made of transparent materials, so that workers can observe the air tightness detection process of the hydraulic pipe in the water tank 10 in real time, unqualified hydraulic pipes can be found quickly, and the air tightness detection efficiency of the hydraulic pipes is improved.
Preferably, the push plate 4 on be provided with fixture block 12, be provided with draw-in groove 16 on fixture block 12 to be provided with sealing layer 17 on draw-in groove 16 inner wall, pneumatic cylinder 3, piston rod 11 vertically promote push plate 4 vertical movement, draw-in groove 16 on the push plate 4 blocks the edge of water tank 10 top, improve the leakproofness between push plate 4 and the water tank 10 through sealing layer 17, reduce the influence of external environment to hydraulic pressure pipe gas tightness testing result, and then improve the precision of hydraulic pressure pipe gas tightness testing result.
Preferably, the upper blocking cylinder 5 and the lower fixing cylinder 7 are arranged in a one-to-one correspondence structure, a hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper blocking cylinder 5 and the lower fixing cylinder 7, the air blower 8 passes through the air conveying pipe 24 and the inner cavity 15 in the push plate 4 and passes through the upper fixing cylinder 13 and the upper blocking cylinder 5 to inject air flow into the hydraulic pipe, air pressure in the hydraulic pipe is enhanced, the hydraulic cylinder 3 and the piston rod 11 push the push plate 4 to vertically move, so that the hydraulic pipe enters water in the water tank 10 to be subjected to air tightness detection, the push plate 4 is provided with the plurality of upper blocking cylinders 5, the adjusting plate 6 is provided with the plurality of lower fixing cylinders 7, the air tightness detection can be simultaneously performed on the plurality of hydraulic pipes, the air tightness detection efficiency of the hydraulic pipes is improved, and the labor intensity of operators is reduced.
Preferably, the upper blocking cylinder 5 and the lower blocking column 23 are sleeved with the sealing rings 20, a hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper blocking cylinder 5 and the lower fixing cylinder 7, the upper blocking cylinder 5 and the lower blocking column 23 are inserted into two ends of the hydraulic pipe, the sealing performance between the upper fixing cylinder 13 and the hydraulic pipe and between the lower blocking column 23 and the hydraulic pipe can be improved through the sealing rings 20, air flow in the hydraulic pipe is prevented from flowing out from between the upper fixing cylinder 13 and the hydraulic pipe and between the lower blocking column 23 and the hydraulic pipe, and the accuracy of an air tightness detection result of the hydraulic pipe is improved.
Preferably, the upper fixed cylinder 13 is provided with a pressure gauge 18 and a valve 19, the upper blocking cylinder 5 is arranged to be a structure which can be replaced from the upper fixed cylinder 13, the pressure gauge 18 can reflect the air pressure in the hydraulic pipe in real time, after the air tightness detection of the hydraulic pipe is completed, the valve 19 is closed, the hydraulic pipe can be conveniently taken down from the upper blocking cylinder 5 to the lower fixed cylinder 7, the working efficiency of the air tightness detection of the hydraulic pipe is improved, the corresponding upper blocking cylinder 5 is selected according to the hydraulic pipes with different sizes, the sealing performance between the hydraulic pipe and the upper blocking cylinder 5 can be improved, the universality of the air tightness detection device can also be improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
Preferably, lower fixed cylinder 7 set up to the structure that can change from regulating plate 6, according to the hydraulic pressure pipe of the difference in size, select corresponding lower fixed cylinder 7, install lower fixed cylinder 7 on regulating plate 6, and in inserting lower stifled post 23 in lower fixed cylinder 7 in the bottom of hydraulic pressure pipe, not only can improve the leakproofness between hydraulic pressure pipe and the lower fixed cylinder 7, also can improve gas tightness detection device's commonality, enlarged gas tightness detection device's application scope, reduced the cost of making many sets of gas tightness detection device.
Preferably, the carrier bar 14 below the adjusting plate 6 is provided with an adjusting nut 21, the adjusting plate 6 is set to be a structure capable of adjusting the height of the carrier bar 14 through the adjusting nut 21, the length of the hydraulic pipe detected according to needs can be adjusted, the adjusting nut 21 can be rotated to push the adjusting plate 6 to ascend or descend along the carrier bar 14, so that the distance between the upper blocking cylinder 5 and the lower blocking cylinder 23 can be adjusted, the air tightness detection device can perform air tightness detection on the hydraulic pipes with different lengths, the universality of the air tightness detection device is further improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
An operation method suitable for a hydraulic pipe airtightness detection device is characterized by comprising the following steps of:
firstly, the method comprises the following steps: checking whether the line of the hydraulic pipe air tightness detection device is normal, and whether the hydraulic cylinder 3, the blower 8, the pressure gauge 18 and the valve 19 can work normally;
secondly, the method comprises the following steps: according to the size and length of the hydraulic pipe to be detected, the corresponding upper plugging cylinder 5 and the lower fixing cylinder 7 are selected, the upper plugging cylinder 5 is installed on the upper fixing cylinder 13, the lower fixing cylinder 7 is installed on the adjusting plate 6, and the adjusting plate 6 can be pushed to ascend or descend along the bearing rod 14 by rotating the adjusting nut 21, so that the distance between the upper plugging cylinder 5 and the lower plugging column 23 is adjusted, and the hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper plugging cylinder 5 and the lower fixing cylinder 7;
thirdly, the method comprises the following steps: the valve 19 on the upper fixed cylinder 13 is opened, the blower 8 is started, the blower 8 injects airflow into the hydraulic pipe through the air delivery pipe 24 to the inner cavity 15 in the push plate 4, the upper fixed cylinder 13 and the upper plugging cylinder 5 to enhance the air pressure in the hydraulic pipe, and the pressure in the hydraulic pipe is reflected on the pressure gauge in real time;
fourthly: starting the hydraulic cylinder 3, pushing the push plate 4 to vertically move by the hydraulic cylinder 3 and the piston rod 11, enabling the hydraulic pipe to enter water in the water tank 10 for air tightness detection, observing whether bubbles emerge from the hydraulic pipe, and if so, proving that the air tightness of the hydraulic pipe is poor, otherwise, obtaining good air tightness;
fifth: after the hydraulic pressure pipe gas tightness detects, close air-blower 8, start hydraulic cylinder 3, promote push pedal 4 to the hydraulic pressure pipe of pullback aquatic, not hard up adjusting nut 21 makes the regulating plate descend along the carrier bar, enlarges and goes up stifled a section of thick bamboo 5, down the distance between the stifled post 23, takes off hydraulic pressure pipe from last stifled a section of thick bamboo 5, down between the stifled post 23, clears up the impurity that hydraulic pressure pipe gas tightness testing process produced, cuts off power supply.
Example two:
as shown in the attached figure 5, a hydraulic pipe gas tightness detection device comprises a bottom plate 1, a top plate 2, a hydraulic cylinder 3, a push plate 4, an upper blocking cylinder 5, an adjusting plate 6, a lower fixing cylinder 7 and an air blower 8, and is characterized in that: the bottom plate 1 is vertically provided with a vertical column 9, the bottom plate 1 between the vertical column 9 and the vertical column 9 is provided with a water tank 10, the top plate 2 is arranged on the vertical column 9, the hydraulic cylinder 3 is arranged on the top plate 2, the hydraulic cylinder 3 is provided with a piston rod 11, the push plate 4 is connected with the piston rod 11, the bottom of the push plate 4 is provided with an upper fixed cylinder 13 and a bearing rod 14, the push plate 4 is internally provided with an inner cavity 15 and communicated with the upper fixed cylinder 13, the upper blocking cylinder 5 is arranged on the upper fixed cylinder 13 and communicated with the upper fixed cylinder 13, the adjusting plate 6 is provided with a connecting hole 22, the bearing rod 14 vertically penetrates into the connecting hole 22, the lower fixed cylinder 7 is arranged on the adjusting plate 6 and internally provided with a lower blocking column 23 in the lower fixed cylinder 7, the top plate 8 is arranged on the top plate 2, the air blower 8 is provided with an air conveying pipe 24, the air delivery pipe 24 is communicated with the inner cavity 15 on the adjusting plate 6, a hydraulic pipe needing to be subjected to air tightness detection is vertically placed between the upper blocking barrel 5 and the lower fixing barrel 7, the air blower 8 passes through the air delivery pipe 24 to the inner cavity 15 in the push plate 4 and passes through the upper fixing barrel 13, the upper blocking barrel 5 injects air flow into the hydraulic pipe, air pressure in the hydraulic pipe is enhanced, the hydraulic cylinder 3 and the piston rod 11 push the push plate 4 to vertically move, so that the hydraulic pipe enters water in the water tank 10 to be subjected to air tightness detection, the upper blocking barrels 5 are arranged on the push plate 4, the lower fixing barrels 7 are arranged on the adjusting plate 6, air tightness detection can be simultaneously carried out on multiple hydraulic pipes, air tightness detection efficiency of the hydraulic pipes is improved, and labor intensity of operators is reduced.
Preferably, bottom plate 1 on water tank 10 adopt transparent material to make, with water tank 10 adoption transparent material preparation, the staff of being convenient for observes the gas tightness testing process of hydraulic pressure pipe in water tank 10 in real time, is convenient for discover unqualified hydraulic pressure pipe fast, improves the detection efficiency of hydraulic pressure pipe gas tightness.
Preferably, the push plate 4 on be provided with fixture block 12, be provided with draw-in groove 16 on fixture block 12 to be provided with sealing layer 17 on draw-in groove 16 inner wall, pneumatic cylinder 3, piston rod 11 vertically promote push plate 4 vertical movement, draw-in groove 16 on the push plate 4 blocks the edge of water tank 10 top, improve the leakproofness between push plate 4 and the water tank 10 through sealing layer 17, reduce the influence of external environment to hydraulic pressure pipe gas tightness testing result, and then improve the precision of hydraulic pressure pipe gas tightness testing result.
Preferably, the upper blocking cylinder 5 and the lower fixing cylinder 7 are arranged in a one-to-one correspondence structure, a hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper blocking cylinder 5 and the lower fixing cylinder 7, the air blower 8 passes through the air conveying pipe 24 and the inner cavity 15 in the push plate 4 and passes through the upper fixing cylinder 13 and the upper blocking cylinder 5 to inject air flow into the hydraulic pipe, air pressure in the hydraulic pipe is enhanced, the hydraulic cylinder 3 and the piston rod 11 push the push plate 4 to vertically move, so that the hydraulic pipe enters water in the water tank 10 to be subjected to air tightness detection, the push plate 4 is provided with the plurality of upper blocking cylinders 5, the adjusting plate 6 is provided with the plurality of lower fixing cylinders 7, the air tightness detection can be simultaneously performed on the plurality of hydraulic pipes, the air tightness detection efficiency of the hydraulic pipes is improved, and the labor intensity of operators is reduced.
Preferably, go up stifled section of thick bamboo 5, down block up the post 23 on the cover and be equipped with sealing washer 20, the hydraulic pressure pipe that will carry out the gas tightness detection is vertical places at last stifled section of thick bamboo 5 and fixed section of thick bamboo 7 down, make in stifled section of thick bamboo 5, lower stifled post 23 inserts the both ends of hydraulic pressure pipe, can improve fixed section of thick bamboo 13 and hydraulic pressure pipe and down the leakproofness between stifled post 23 and the hydraulic pressure pipe through sealing washer 20, avoid the intraductal air current of hydraulic pressure from going up between fixed section of thick bamboo 13 and the hydraulic pressure pipe and flow out between stifled post 23 and the hydraulic pressure pipe down, improve the precision of hydraulic pressure pipe gas tightness detection result.
Preferably, the upper fixed cylinder 13 is provided with a pressure gauge 18 and a valve 19, the upper blocking cylinder 5 is arranged to be replaceable from the upper fixed cylinder 13, air pressure in the hydraulic pipe can be reflected in real time through the pressure gauge 18, after the air tightness detection of the hydraulic pipe is completed, the valve 19 is closed, the hydraulic pipe can be conveniently taken down from the upper blocking cylinder 5 to the lower fixed cylinder 7, the working efficiency of the air tightness detection of the hydraulic pipe is improved, the corresponding upper blocking cylinder 5 is selected according to the hydraulic pipes with different sizes, the sealing performance between the hydraulic pipe and the upper blocking cylinder 5 can be improved, the universality of the air tightness detection device can also be improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
Preferably, lower fixed cylinder 7 set up to the structure that can change from regulating plate 6, according to the hydraulic pressure pipe of the difference in size, select corresponding lower fixed cylinder 7, install lower fixed cylinder 7 on regulating plate 6, and in inserting lower stifled post 23 in lower fixed cylinder 7 in the bottom of hydraulic pressure pipe, not only can improve the leakproofness between hydraulic pressure pipe and the lower fixed cylinder 7, also can improve gas tightness detection device's commonality, enlarged gas tightness detection device's application scope, reduced the cost of making many sets of gas tightness detection device.
Preferably, the carrier bar 14 below the adjusting plate 6 is provided with an adjusting nut 21, the adjusting plate 6 is set to be a structure capable of adjusting the height of the carrier bar 14 through the adjusting nut 21, the length of the hydraulic pipe detected according to needs can be adjusted, the adjusting nut 21 can be rotated to push the adjusting plate 6 to ascend or descend along the carrier bar 14, so that the distance between the upper blocking cylinder 5 and the lower blocking cylinder 23 can be adjusted, the air tightness detection device can perform air tightness detection on the hydraulic pipes with different lengths, the universality of the air tightness detection device is further improved, the application range of the air tightness detection device is expanded, and the cost for manufacturing a plurality of sets of air tightness detection devices is reduced.
Preferably, 4 both sides of push pedal be provided with the limiting plate 25, be provided with spacing section of thick bamboo 26 on limiting plate 25, and with the vertical spacing section of thick bamboo 26 that passes of stand 9, push pedal 4 is at pneumatic cylinder 3, vertical migration under the effect of piston rod 11, make spacing section of thick bamboo 26 along stand 9 vertical migration, thereby make limiting plate 25, spacing section of thick bamboo 26 play limiting displacement to push pedal 4 of vertical migration in-process, avoid push pedal 4 to take place transversely to rock at the vertical migration in-process, and then improve the stability of hydraulic pressure pipe in the gas tightness testing process, strengthen the precision of testing result.
An operation method suitable for a hydraulic pipe airtightness detection device is characterized by comprising the following steps of:
firstly, the method comprises the following steps: checking whether the line of the hydraulic pipe air tightness detection device is normal, and whether the hydraulic cylinder 3, the blower 8, the pressure gauge 18 and the valve 19 can work normally;
secondly, the method comprises the following steps: according to the size and length of the hydraulic pipe to be detected, the corresponding upper plugging cylinder 5 and the lower fixing cylinder 7 are selected, the upper plugging cylinder 5 is installed on the upper fixing cylinder 13, the lower fixing cylinder 7 is installed on the adjusting plate 6, and the adjusting plate 6 can be pushed to ascend or descend along the bearing rod 14 by rotating the adjusting nut 21, so that the distance between the upper plugging cylinder 5 and the lower plugging column 23 is adjusted, and the hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper plugging cylinder 5 and the lower fixing cylinder 7;
thirdly, the steps of: the valve 19 on the upper fixed cylinder 13 is opened, the blower 8 is started, the blower 8 injects airflow into the hydraulic pipe through the air delivery pipe 24 to the inner cavity 15 in the push plate 4, the upper fixed cylinder 13 and the upper plugging cylinder 5 to enhance the air pressure in the hydraulic pipe, and the pressure in the hydraulic pipe is reflected on the pressure gauge in real time;
fourthly: starting the hydraulic cylinder 3, pushing the push plate 4 to vertically move by the hydraulic cylinder 3 and the piston rod 11, enabling the hydraulic pipe to enter water in the water tank 10 for air tightness detection, observing whether bubbles emerge from the hydraulic pipe or not, if bubbles emerge, proving that the air tightness of the hydraulic pipe is poor, otherwise, ensuring that the air tightness is good;
fifth, the method comprises the following steps: after the hydraulic pressure pipe gas tightness detects, close air-blower 8, start hydraulic cylinder 3, promote push pedal 4 to the hydraulic pressure pipe of pullback aquatic, not hard up adjusting nut 21 makes the regulating plate descend along the carrier bar, enlarges and goes up stifled a section of thick bamboo 5, down the distance between the stifled post 23, takes off hydraulic pressure pipe from last stifled a section of thick bamboo 5, down between the stifled post 23, clears up the impurity that hydraulic pressure pipe gas tightness testing process produced, cuts off power supply.
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.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (9)
1. The utility model provides a hydraulic pipe gas tightness detection device, includes bottom plate, roof, pneumatic cylinder, push pedal, goes up stifled a section of thick bamboo, regulating plate, down a fixed section of thick bamboo and air-blower, its characterized in that: the bottom plate on be provided with the stand perpendicularly to be provided with the water tank on the bottom plate between stand and stand, the roof setting on the stand, the pneumatic cylinder setting on the roof, be provided with the piston rod on the pneumatic cylinder, the push pedal be connected with the piston rod, be provided with solid fixed cylinder, carrier bar in the push pedal bottom, be provided with the inner chamber in the push pedal to with inner chamber and solid fixed cylinder intercommunication on, last stifled a section of thick bamboo install on last solid fixed cylinder to go up stifled a section of thick bamboo and solid fixed cylinder intercommunication on with, the regulating plate on be provided with the connecting hole to with the vertical penetrating connecting hole of carrier bar, lower solid fixed cylinder install on the regulating plate to be provided with down stifled post under in the solid fixed cylinder, the air-blower setting on the roof, be provided with defeated tuber pipe on the air-blower to with the inner chamber intercommunication on defeated tuber pipe and the regulating plate.
2. The hydraulic pipe airtightness detection apparatus according to claim 1, characterized in that: the water tank on the bottom plate is made of transparent materials.
3. The hydraulic pipe airtightness detection apparatus according to claim 1, characterized in that: the push plate is provided with a clamping block, the clamping block is provided with a clamping groove, and the inner wall of the clamping groove is provided with a sealing layer.
4. The hydraulic pipe airtightness detection apparatus according to claim 1, characterized in that: the upper blocking cylinder and the lower fixing cylinder are arranged to be in one-to-one correspondence.
5. The hydraulic pipe airtightness detection apparatus according to claim 1, characterized in that: and the upper blocking cylinder and the lower blocking column are sleeved with sealing rings.
6. The hydraulic pipe airtightness detection apparatus according to claim 1, characterized in that: the upper fixed cylinder is provided with a pressure gauge and a valve, and the upper blocking cylinder is of a structure which can be replaced from the upper fixed cylinder.
7. The hydraulic pipe airtightness detection apparatus according to claim 1 or 4, characterized in that: the lower fixing cylinder is arranged to be replaceable from the adjusting plate.
8. The hydraulic pipe airtightness detection apparatus according to claim 1 or 7, characterized in that: the bearing rod below the adjusting plate is provided with an adjusting nut, and the adjusting plate is arranged into a structure capable of adjusting the height on the bearing rod through the adjusting nut.
9. An operation method of the hydraulic pipe airtightness detection apparatus according to claim 1, wherein the operation method comprises the steps of:
firstly, the method comprises the following steps: checking whether a line of the hydraulic pipe air tightness detection device is normal or not, and whether a hydraulic cylinder, a blower, a pressure gauge and a valve can work normally or not;
secondly, the method comprises the following steps: according to the size and the length of a hydraulic pipe to be detected, a corresponding upper plugging cylinder and a corresponding lower fixing cylinder are selected, the upper plugging cylinder is mounted on the upper fixing cylinder, the lower fixing cylinder is mounted on an adjusting plate, the adjusting plate can be pushed to ascend or descend along a bearing rod by rotating an adjusting nut, so that the distance between the upper plugging cylinder and a lower plugging column is adjusted, and the hydraulic pipe to be subjected to air tightness detection is vertically placed between the upper plugging cylinder and the lower fixing cylinder;
thirdly, the method comprises the following steps: opening a valve on the upper fixed cylinder, opening a blower, injecting airflow into the hydraulic pipe through the blower pipe to the inner cavity in the push plate, the upper fixed cylinder and the upper plugging cylinder to enhance the air pressure in the hydraulic pipe, and reflecting the pressure in the hydraulic pipe on a pressure gauge in real time;
fourthly: starting the hydraulic cylinder, pushing the push plate to vertically move by the hydraulic cylinder and the piston rod, enabling the hydraulic pipe to enter water in the water tank for air tightness detection, observing whether bubbles emerge from the hydraulic pipe, if bubbles emerge, proving that the air tightness of the hydraulic pipe is poor, otherwise, ensuring that the air tightness is good;
fifth, the method comprises the following steps: after the hydraulic pressure pipe gas tightness detects, close the air-blower, start hydraulic cylinder, promote the push pedal to the hydraulic pressure pipe in the pull-back aquatic, not hard up adjusting nut makes the regulating plate descend along the carrier bar, enlarges and goes up a stifled section of thick bamboo, down the distance between the stifled post, takes off hydraulic pressure pipe from last stifled section of thick bamboo, down between the stifled post, clears up the impurity that hydraulic pressure pipe gas tightness testing process produced, cuts off power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375816.7A CN114577408A (en) | 2022-04-11 | 2022-04-11 | Hydraulic pipe air tightness detection device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375816.7A CN114577408A (en) | 2022-04-11 | 2022-04-11 | Hydraulic pipe air tightness detection device and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114577408A true CN114577408A (en) | 2022-06-03 |
Family
ID=81779422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210375816.7A Pending CN114577408A (en) | 2022-04-11 | 2022-04-11 | Hydraulic pipe air tightness detection device and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114577408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117705364A (en) * | 2024-02-05 | 2024-03-15 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532800B1 (en) * | 2002-04-16 | 2003-03-18 | Thunder Aviation Na, Inc. | Aircraft pressurization test apparatus and method of using same |
| CN207408049U (en) * | 2017-11-20 | 2018-05-25 | 双威液压工业（芜湖）有限公司 | A kind of detection device of hydraulic tube |
| CN109870275A (en) * | 2019-04-12 | 2019-06-11 | 双威液压工业（芜湖）有限公司 | Hydraulic tube production air-tightness detection device and its operating method |
| CN212721937U (en) * | 2020-09-11 | 2021-03-16 | 双威液压工业（芜湖）有限公司 | Sealing detection device for hydraulic pipe production |
| CN215573610U (en) * | 2021-08-27 | 2022-01-18 | 青岛鑫宣诚液压配件有限公司 | Engineering machine tool hydraulic pressure pipe seal detection device |
| CN217006228U (en) * | 2022-04-11 | 2022-07-19 | 双威液压工业（芜湖）有限公司 | Hydraulic pipe gas tightness detection device |
-
2022
- 2022-04-11 CN CN202210375816.7A patent/CN114577408A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532800B1 (en) * | 2002-04-16 | 2003-03-18 | Thunder Aviation Na, Inc. | Aircraft pressurization test apparatus and method of using same |
| CN207408049U (en) * | 2017-11-20 | 2018-05-25 | 双威液压工业（芜湖）有限公司 | A kind of detection device of hydraulic tube |
| CN109870275A (en) * | 2019-04-12 | 2019-06-11 | 双威液压工业（芜湖）有限公司 | Hydraulic tube production air-tightness detection device and its operating method |
| CN212721937U (en) * | 2020-09-11 | 2021-03-16 | 双威液压工业（芜湖）有限公司 | Sealing detection device for hydraulic pipe production |
| CN215573610U (en) * | 2021-08-27 | 2022-01-18 | 青岛鑫宣诚液压配件有限公司 | Engineering machine tool hydraulic pressure pipe seal detection device |
| CN217006228U (en) * | 2022-04-11 | 2022-07-19 | 双威液压工业（芜湖）有限公司 | Hydraulic pipe gas tightness detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117705364A (en) * | 2024-02-05 | 2024-03-15 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
| CN117705364B (en) * | 2024-02-05 | 2024-04-26 | 晋中市综合检验检测中心 | Air tightness detection device for pressure gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109870275B (en) | Air tightness detection device for hydraulic pipe production and operation method thereof | |
| CN114577408A (en) | Hydraulic pipe air tightness detection device and operation method thereof | |
| CN217006228U (en) | Hydraulic pipe gas tightness detection device | |
| CN102323010B (en) | Tooling for testing air tightness of thermostat | |
| CN112414624B (en) | Piston air tightness inspection equipment | |
| CN212721937U (en) | Sealing detection device for hydraulic pipe production | |
| CN201852683U (en) | Air-tightness test equipment | |
| CN206725159U (en) | A kind of leakage detection apparatus for ceramic bottle production | |
| CN211927178U (en) | Gas drive urea nozzle air tightness test platform | |
| CN202631205U (en) | Underwater air pressure testing device for stainless pipes | |
| CN202210014U (en) | Gas tightness testing device for flame arrester bottle bodies | |
| CN115524246A (en) | Cement hardness detects machine | |
| CN210689971U (en) | Be used for liquefied natural gas tank gas tightness check out test set | |
| CN109932133B (en) | Air tightness testing machine for manufacturing nylon bar for valve rod | |
| CN211234971U (en) | Supersonic engine test bench thrust measurement exhaust apparatus | |
| CN103291251A (en) | Coal reservoir fracture gas and water conductivity dynamic change simulation testing device | |
| CN209961415U (en) | Testing arrangement convenient to test hydro-cylinder sealing member leakproofness | |
| CN209689839U (en) | Air-tightness detection device is used in hydraulic tube production | |
| CN110608859A (en) | Liquefied natural gas tank air tightness detection device and operation method thereof | |
| CN101949756A (en) | Air expansion leakage check device for detecting leakage of water tank | |
| CN220872019U (en) | Automobile pressure-maintaining air nozzle quick release detection pressure-maintaining and water-testing device | |
| CN214149711U (en) | Jar body gas tightness detection device | |
| CN220656283U (en) | Fire extinguisher barrel water pressure testing arrangement | |
| CN220104399U (en) | Pipe pressure testing device | |
| CN214622096U (en) | Novel carbon dioxide steel bottle hydraulic pressure intensity check out test set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |