CN113984303B - Bellows performance detection device - Google Patents
Bellows performance detection device Download PDFInfo
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- CN113984303B CN113984303B CN202111275284.1A CN202111275284A CN113984303B CN 113984303 B CN113984303 B CN 113984303B CN 202111275284 A CN202111275284 A CN 202111275284A CN 113984303 B CN113984303 B CN 113984303B
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- sealing
- ring
- corrugated pipe
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- rotary
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 23
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A bellows performance detection apparatus, wherein: the automatic control device comprises a base, a working cavity and an upper cover, wherein the base is fixedly connected with the working cavity, the upper end of the working cavity is connected with the upper cover, the working cavity comprises a protection chamber and a sealing chamber, a rotating mechanism is arranged below the sealing chamber, a circuit board and a motor are fixedly arranged in the base, and the motor is controlled by the circuit board. The invention aims to solve the problem of multiple performance detection after the corrugated pipe is produced, wherein the compressive strength, the sealing performance and the tensile strength of the corrugated pipe can be detected simultaneously by the device, so that the repeated positioning and clamping work of the corrugated pipe is reduced, the workload of staff is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of corrugated pipe detection, and particularly relates to a corrugated pipe performance detection device.
Background
The corrugated pipe has wide application range, can be used for damp proofing of underground cables or as a fluid conveying pipeline and the like, has the characteristics of light weight, high pressure resistance, good toughness, quick construction, long service life and the like, has excellent pipe wall structural design, greatly reduces the cost compared with pipes with other structures, and is widely applied at home and abroad due to convenient and reliable connection. And a large number of concrete pipes and cast iron pipes are replaced.
If the bellows is used as a fluid conveying pipeline, sealing performance must be ensured, and at the same time, the bellows is mostly processed in a buried mode, so that certain compressive strength and relative tensile strength are required, and therefore, multiple performance detection of the bellows is a process which needs to be performed in a key way when the bellows is produced, conventional performance detection of the bellows adopts one detection device to detect one index, and due to the requirement of multiple performance detection of the bellows, detection efficiency is low, detection cost is high, and meanwhile, due to the characteristics of the bellows, workload of staff is greatly increased, and therefore, a detection device capable of detecting multiple performance of the bellows is required.
Disclosure of Invention
The invention aims to solve the problem of multiple performance detection after the corrugated pipe is produced, wherein the compressive strength, the sealing performance and the tensile strength of the corrugated pipe can be detected simultaneously by the device, so that the repeated positioning and clamping work of the corrugated pipe is reduced, the workload of staff is greatly reduced, and the working efficiency is improved.
The invention aims at realizing the following technical scheme that the corrugated pipe performance detection device comprises the following components: including base, working chamber and upper cover, the base with working chamber fixed connection, the working chamber upper end is connected with the upper cover, the working chamber is including protection cell and sealing chamber, the sealing chamber below is provided with rotary mechanism, base internally mounted is fixed with circuit board, motor, the motor by circuit board control, the motor with rotary mechanism drive connection, the bellows has been placed to the sealing chamber inside, both ends are provided with sealing ring and lower sealing ring about the bellows, lower sealing ring pass through the magnetic block with rotary mechanism connects, the upper sealing ring upper end is connected with sealed stopper, be provided with the through-hole in the middle of the sealed stopper, the upper cover is inside to be provided with gas pressure controller, gas pressure controller with circuit board is connected control.
Preferably, the upper sealing ring comprises an inner supporting block I and four outer fixing rings, the outer fixing rings are of circular arc structures with screw holes at two ends, the inner supporting block I is of a circular structure with upper and lower through holes, the upper end of the inner supporting block I is connected with the sealing limiting block, the outer fixing rings are fastened through screws to form a ring-shaped structure, so that the corrugated pipe can be fastened between the inner supporting block I and the outer fixing rings, the lower sealing ring comprises an inner supporting block II and four outer fixing rings, the lower end of the inner supporting block II is uniformly provided with a magnetic block, an electromagnet is also arranged above the rotating mechanism, the rotating mechanism is connected with the inner supporting block II through the electromagnet and the magnetic block, and the lower end of the corrugated pipe can be fastened between the inner supporting block II and the outer fixing rings.
Preferably, the rotary mechanism comprises a rotary base, the rotary base is rotatably fixed at the bottom end of the sealing chamber, the rotary base is of an H-shaped annular structure, liquid flow holes are uniformly formed in the ring above the rotary base, a rotary ring is arranged on the outer ring of the upper end of the rotary base, through holes matched with the liquid flow holes are uniformly formed in the rotary ring, magnetic blocks are uniformly arranged on the rotary base, a driving wheel is arranged at the lower end of the rotary ring, and the motor is connected with the driving wheel and can control the rotary base to rotate.
Preferably, the liquid is poured into the sealing chamber, and a gas pressure sensor is arranged on the top of the sealing chamber and connected with the circuit board.
In summary, the invention has the following beneficial technical effects:
according to the bellows performance detection device designed by the invention, tightness and compressive strength of the bellows are detected successively through the same device, the tightness and the compressive strength are indistinct, the effect of detecting the position of the tightness defect is achieved by lifting of liquid and air pressure change of air at the top end of the outer side, the bellows compressive performance is continuously detected by the device after air tightness detection, multiple different performance detection machines are not needed, repeated positioning is not needed, the compression performance and the sealing performance are detected as an integrated detection, complicated procedures are greatly reduced, and the effect is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a bellows performance inspection apparatus of the present invention;
FIG. 2 is an assembled schematic view of a bellows performance inspection apparatus of the present invention;
FIG. 3 is a schematic illustration of an upper seal ring and a lower seal ring of a bellows performance inspection apparatus of the present invention;
fig. 4 is a schematic diagram of a rotating mechanism and an inner support block of a bellows performance detecting apparatus according to the present invention.
In the figure: the device comprises a base, a circuit board (101), a motor (102), a working cavity (2), a protection chamber (201), a sealing chamber (202), a liquid sensor (203), a gas pressure sensor (204), an upper cover (3), a gas pressure controller (301), a rotating mechanism (4), an electromagnet (401), a rotating base (402), a liquid flow hole (403), a rotating ring (404), a through hole (405), a driving wheel (406), a corrugated pipe (5), an upper sealing ring (6), a sealing limiting block (601), a through hole (602), an inner supporting block (603), an outer fixing ring (604), a lower sealing ring (7), a magnetic block (701) and an inner supporting block (702).
Detailed Description
The above object of the present invention is achieved by the following technical solutions:
a bellows performance detection apparatus, wherein: including base 1, working chamber 2 and upper cover 3, base 1 with working chamber 2 fixed connection, working chamber 2 upper end is connected with upper cover 3, working chamber 2 is including protection cell 201 and sealing cell 202, the sealing cell 202 below is provided with rotary mechanism 4, base 1 internally mounted is fixed with circuit board 101, motor 102 is by circuit board 101 control, motor 102 with rotary mechanism 4 drive connection, bellows 5 has been placed to the inside bellows 5 both ends are provided with upper seal ring 6 and lower seal ring 7 about the bellows 5, lower seal ring 7 pass through magnetic block 701 with rotary mechanism 4 is connected, upper seal ring 6 upper end is connected with sealed stopper 601, be provided with through-hole 602 in the middle of the sealed stopper 601, the inside gas pressure controller 301 that is provided with of upper cover 3, gas pressure controller 301 with circuit board 101 is connected control.
Specifically, the upper sealing ring 6 includes an inner supporting block 603 and four outer fixing rings 604, the outer fixing rings 604 are arc structures with screw holes at two ends, the inner supporting block 603 is a circular structure with upper and lower through holes, the upper end of the inner supporting block 603 is connected with the sealing limiting block 601, the outer fixing rings 604 are fastened by screws to form a ring structure, so that the bellows 5 can be fastened between the inner supporting block 603 and the outer fixing rings 604, the lower sealing ring 7 includes an inner supporting block two 702 and four outer fixing rings 604, the lower end of the inner supporting block two 702 is uniformly provided with a magnetic block 701, an electromagnet 401 is also arranged above the rotating mechanism 4, the rotating mechanism 4 is connected with the inner supporting block two 702 by the electromagnet 401 and the magnetic block 701, and the lower end of the bellows 5 can be fastened between the inner supporting block two 702 and the outer fixing rings 604.
Specifically, the rotating mechanism 4 includes a rotating base 402, the rotating base 402 is rotatably fixed at the bottom end of the sealing chamber, the rotating base 402 is in an "H" ring structure, a liquid flow hole 403 is uniformly formed in a ring above the rotating base 402, a rotating ring 404 is disposed on an outer ring at an upper end of the rotating base 402, a through hole 405 matched with the liquid flow hole 403 is uniformly disposed on the rotating ring 404, a magnetic block 701 is uniformly disposed on the rotating base 402, a driving wheel 406 is disposed at a lower end of the rotating ring 404, and the motor 102 is connected with the driving wheel 406 to control the rotating motion of the rotating base 402.
Specifically, the liquid 203 is poured into the sealed chamber 202, and a gas pressure sensor 204 is mounted on the top of the sealed chamber 202 and connected with the circuit board 101.
Working principle: before the device works, the upper end of the corrugated tube 5 is required to be fixed under the action of the first inner supporting block 603 and the four outer fixing rings 604, the lower end of the corrugated tube 5 is simultaneously fixed through the second inner supporting block 702 and the four outer fixing rings 604, meanwhile, the upper end of the first inner supporting block 603 is fixedly connected with the sealing limiting block 601, then the combined corrugated tube 5 is placed into the sealing chamber 202 from top to bottom, the magnetic block 701 of the second inner supporting block 702 is matched with the electromagnet 401 on the rotating base 402, at the moment, the circuit board 101 controls the electromagnet 401 to work, so that the second inner supporting block 702 is fixed with the rotating base 402, at the moment, the sealing limiting block 601 is fixed with the upper end of the sealing chamber 202 in a sealing way, at the moment, the corrugated tube 5, the sealing chamber 202, the sealing limiting block 601 and the rotating base 402 jointly form a sealing environment, meanwhile, the liquid 203 is contained in the sealed environment, the circuit board 101 drives the gas pressure controller 301 to work, so that the gas pressure in the corrugated pipe 5 is increased, the liquid 203 in the corrugated pipe 5 enters a space formed by the outer side of the corrugated pipe 5 and the sealed chamber 202 through the through holes 405 and the liquid flow holes 403, the liquid 203 is continuously increased in the outer space along with the continuous increase of the gas pressure in the corrugated pipe 5 by the gas pressure controller 301, the air in the space formed by the outer side of the corrugated pipe 5 and the sealed chamber 202 is continuously compressed upwards, the gas pressure is continuously increased, when the gas pressure controlled by the gas pressure controller 301 reaches a certain value, the gas pressure in the corrugated pipe 5 is consistent with the gas pressure of the compressed gas in the space formed by the outer side of the corrugated pipe 5 and the sealed chamber 202, meanwhile, the gas pressure sensor 301 at the upper end of the sealed chamber 202 works, the change of air pressure in the seal chamber 202 is always detected, when the gas pressure controller 301 maintains a certain time, if the defect that the air tightness is affected by the occurrence of a broken hole of the bellows 5, the liquid in the space formed by the outer side of the bellows and the seal chamber flows into the inner side of the bellows from the broken hole, if the broken hole is positioned at the position where the upper end is compressed air, the gas in the space formed by the outer side of the bellows 5 and the seal chamber 202 flows into the bellows 5 from the broken hole due to the influence of the air pressure difference, meanwhile, the liquid in the seal chamber 202 continuously rises, when the broken hole position is reached, the liquid 203 breaks the hole and flows into the bellows 5, at this time, the defect position of the bellows 5 can be primarily judged by observing the liquid trace in the bellows 5, meanwhile, the arrangement of the gas pressure sensor 204 can judge that the bellows 5 has the defect of tightness when the gas pressure detected by the gas pressure sensor 204 is continuously reduced, and meanwhile, the position of the defect of tightness is judged by the outflow position of the liquid after the bellows 5 is taken out, when the bellows tightness is not problematic, the gas pressure controller is kept a certain time.
The circuit board 101 controls the motor 102 to operate, the motor 102 rotates the rotating base 402 through the driving wheel 406, so that the through hole 602 and the liquid flow hole 403 are dislocated, at this time, the space formed by the inner space of the corrugated tube 5 and the outer side of the corrugated tube 5 and the sealing chamber 202 is separated into two independent spaces, at this time, the inner space of the corrugated tube 5 and the gas pressure in the space outside the corrugated tube 5 are the same, at this time, the gas pressure controller 301 gradually reduces the gas pressure in the inner space of the corrugated tube 5, the gas pressure in the space outside the corrugated tube 5 has an extrusion effect on the corrugated tube 5, the state when the corrugated tube 5 is extruded by flexible substances such as soil during operation can be simulated, the compression resistance of the corrugated tube can be better detected according to requirements, when the gas pressure in the corrugated tube is reduced to a certain degree, the change value and the change rate of the gas pressure sensor arranged at the upper end of the sealing chamber are observed, when the value of the gas pressure sensor is found to be changed greatly in a short time, the ideal compression resistance strength of the corrugated tube can be judged, then the circuit board 101 controls the electromagnet 401 to stop operating, the gas pressure controller 301 stops operating, the operation is stopped, the gas pressure controller 301 stops operating, the state is detected, and the corrugated tube 5 can be opened.
According to the invention, the device is used for detecting the compression resistance of the corrugated pipe, the air tightness of the corrugated pipe is detected at the same time, the pressure difference between the air at the upper end of the outer side of the corrugated pipe and the air at the inner side of the corrugated pipe is used for detecting the air tightness, the effect of detecting the position of the sealing defect is achieved by using the lifting of liquid and the air pressure change of the air at the top end of the outer side of the corrugated pipe at the same time when the air tightness is detected, the device used for detecting the compression resistance of the corrugated pipe is used for continuously detecting the compression resistance of the corrugated pipe, a plurality of different performance detecting machines are not needed, repeated positioning is not needed, the compression resistance and the sealing performance are detected as an integrated detection, complicated procedures are greatly reduced, the effect is improved, meanwhile, the pressure test without dead angle in all directions is simulated by using the air pressure difference between the air at the upper end of the outer side of the corrugated pipe and the inner side of the corrugated pipe before, and the pressure strength of the corrugated pipe is judged by using the instantaneous change of the air pressure at the outer side of the corrugated pipe.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. The corrugated pipe performance detection device is characterized by comprising a base (1), a working cavity (2) and an upper cover (3), wherein the base (1) is fixedly connected with the working cavity (2), the upper end of the working cavity (2) is connected with the upper cover (3), the working cavity (2) comprises a protection chamber (201) and a sealing chamber (202), a rotating mechanism (4) is arranged below the sealing chamber (202), a circuit board (101) and a motor (102) are fixedly arranged in the base (1), the motor (102) is controlled by the circuit board (101), the motor (102) is in driving connection with the rotating mechanism (4), a corrugated pipe (5) is arranged in the sealing chamber (202), the upper end and the lower end of the corrugated pipe (5) are provided with an upper sealing ring (6) and a lower sealing ring (7), the lower sealing ring (7) is connected with the rotating mechanism (4) through a magnetic block (701), the upper end of the upper sealing ring (6) is connected with a sealing limit block (601), the middle sealing block (701) is provided with a pressure controller (301), and the pressure controller (301) is connected with the upper gas controller (301); the upper sealing ring (6) comprises an inner support block I (603) and four outer fixing rings (604), the outer fixing rings (604) are arc structures with screw holes at two ends, the inner support block I (603) is of a round structure with upper and lower through holes, the upper end of the inner support block I (603) is connected with the sealing limiting block (601), the outer fixing rings (604) are fastened through screws to form an annular structure, the corrugated pipe (5) can be fastened between the inner support block I (603) and the outer fixing rings (604), the lower sealing ring (7) comprises an inner support block II (702) and four outer fixing rings (604), magnetic blocks (701) are uniformly arranged at the lower end of the inner support block II (702), an electromagnet (401) is also arranged above the rotating mechanism (4), the rotating mechanism (4) is connected with the inner support block II (702) through the electromagnet (401) and the magnetic blocks (701), and the lower end of the corrugated pipe (5) can be fastened between the inner support block II (702) and the outer fixing rings (604); the rotary mechanism (4) comprises a rotary base (402), the rotary base (402) is rotatably fixed at the bottom end of the sealing chamber, the rotary base (402) is of an H-shaped annular structure, liquid flow holes (403) are uniformly formed in a ring above the rotary base (402), a rotary ring (404) is arranged on the outer ring of the upper end of the rotary base (402), through holes (405) matched with the liquid flow holes (403) are uniformly formed in the rotary ring (404), magnetic blocks (701) are uniformly arranged on the rotary base (402), a driving wheel (406) is arranged at the lower end of the rotary ring (404), and the motor (102) is connected with the driving wheel (406) to control the rotary motion of the rotary base (402); the liquid (203) is poured into the sealing chamber (202), and a gas pressure sensor (204) is arranged on the top of the sealing chamber (202) and connected with the circuit board (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275284.1A CN113984303B (en) | 2021-10-29 | 2021-10-29 | Bellows performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275284.1A CN113984303B (en) | 2021-10-29 | 2021-10-29 | Bellows performance detection device |
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| Publication Number | Publication Date |
|---|---|
| CN113984303A CN113984303A (en) | 2022-01-28 |
| CN113984303B true CN113984303B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111275284.1A Active CN113984303B (en) | 2021-10-29 | 2021-10-29 | Bellows performance detection device |
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| CN113984303A (en) | 2022-01-28 |
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