CN223551259U - Flexible composite pipe annular space sealing performance detection device - Google Patents
Flexible composite pipe annular space sealing performance detection deviceInfo
- Publication number
- CN223551259U CN223551259U CN202423174996.6U CN202423174996U CN223551259U CN 223551259 U CN223551259 U CN 223551259U CN 202423174996 U CN202423174996 U CN 202423174996U CN 223551259 U CN223551259 U CN 223551259U
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- seat
- detecting
- pipe
- flexible composite
- magnetic powder
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Abstract
The utility model discloses a flexible composite pipe annular space sealing performance detection device which comprises a detection frame, a connecting seat, a magnetic powder spraying seat, an air pump and a vacuumizing machine, wherein the magnetic powder spraying seat and the connecting seat are arranged in the detection frame in a front-back mode, the flexible composite pipe annular space is clamped and arranged in the connecting seat, the magnetic powder spraying seat is oppositely arranged at the joint of the flexible composite pipe annular space and the flexible composite pipe, a powder spraying gun is rotatably arranged on the magnetic powder spraying seat, a detection pipe orifice is arranged in the connecting seat, the detection pipe orifice is communicated with an air outlet of the flexible composite pipe annular space in a sealing mode, the air pump is communicated with a buffer tank, the buffer tank is provided with two groups of air outlets, the two groups of air outlets are respectively communicated with the detection pipe orifice in the connecting seat and the powder spraying gun on the magnetic powder spraying seat through pipelines, and the vacuumizing machine is communicated with the detection pipe orifice in the connecting seat through the pipelines. The annular space dual-verification device has the advantages that dual verification can be carried out on the annular space through a vacuum test and an inflation test, and the problem of failure of sealing performance under special conditions is solved.
Description
Technical Field
The utility model relates to the technical field of flexible composite pipe tightness detection, in particular to a device for detecting the annular space tightness of a flexible composite pipe.
Background
In the production of a representative flexible composite pipe, the evaluation requirement is only made on the internal air tightness in the relevant standard, but in the production, the annular internal water seepage occurs when the pipe is used due to the problems of joint buckling, inner and outer materials, joint sealing, vent hole sealing and the like, so that the hidden danger of pipe explosion failure is increased.
Therefore, whether the annular tightness of the flexible composite pipe meets the technical requirements or not in the production and manufacturing process can be detected before the flexible composite pipe is used.
Disclosure of utility model
The utility model aims to provide a device for detecting the sealing performance of a flexible composite pipe annulus, which can perform double verification on the annulus through a vacuum test and an inflation test and eliminate the problem of failure of the sealing performance under special conditions.
The technical aim of the utility model is realized by the following technical scheme:
The utility model provides a flexible compound pipe annular space sealing performance detection device, its characterized in that, including detecting frame, connecting seat, magnetic powder spouts seat, air pump and evacuating machine, the magnetic powder spouts seat and installs around the connecting seat and set up in detecting frame, the centre gripping sets up flexible compound pipe annular space in the connecting seat, the magnetic powder spouts the seat and sets up in the junction of flexible compound pipe annular space and flexible compound pipe relatively, the magnetic powder spouts the seat and rotates and be provided with a powder gun, be provided with a detection mouth of pipe in the connecting seat, the detection mouth of pipe is sealed with the gas vent of flexible compound pipe annular space and is linked together, the air pump intercommunication has a buffer tank, the buffer tank is provided with two sets of gas outlets, two sets of the gas outlet is linked together through the pipeline respectively with the detection mouth of pipe in the connecting seat, the powder gun on the magnetic powder spouts the seat, evacuating machine passes through the pipeline and the detection mouth of pipe intercommunication in the connecting seat.
Preferably, the connecting seat comprises an upper movable seat and a lower fixed seat, the upper movable seat and the lower fixed seat are of arc structures which are oppositely arranged, the lower fixed seat is connected with a detection frame through two groups of symmetrically arranged threaded rods, two ends of each threaded rod are respectively connected with the lower fixed seat and the detection frame in a rotating mode through bearing seats, two groups of threaded rods are fixedly connected with a transmission gear on the outer wall of the top of each threaded rod, a transmission motor is fixedly arranged at the top of each detection frame, an output gear penetrates through the top of each detection frame and is connected with the corresponding output gear, the corresponding output gear is in meshed transmission with the corresponding transmission gear, and the middle of each threaded rod is connected with two sides of the corresponding upper movable seat through threaded transmission.
Preferably, the inner sides of the upper movable seat and the lower fixed seat are respectively provided with an arc limiting protrusion.
Preferably, the detecting pipe orifice is arranged on the upper movable seat, a sealing gasket is fixedly arranged at the bottom of the detecting pipe orifice, a limiting ring is arranged in the middle of the outer wall of the detecting pipe orifice, the upper movable seat is provided with a movable groove corresponding to the limiting ring, the limiting ring moves up and down in the movable groove, a buffer spring is sleeved on the detecting pipe orifice in the movable groove, and the bottom of the buffer spring is propped against the upper part of the limiting ring.
Preferably, one group of air outlets of the buffer tank, the vacuumizing machine and the detection pipe orifice are communicated through a three-way joint, and electromagnetic valves are arranged on communication pipelines of the three-way joint, the buffer tank, the vacuumizing machine and the detection pipe orifice.
Preferably, a pressure sensor and a temperature sensor are further arranged on the communication pipeline between the three-way joint and the detection pipe orifice.
Preferably, a timer and a controller are further arranged at the top of the detection frame, and the controller is electrically connected with each electromagnetic valve and the transmission motor.
Preferably, the magnetic powder spraying seat is of an annular structure and is arranged in the detection frame through two groups of connecting rods, and the powder spraying gun moves circumferentially along the joint of the annular space of the flexible composite pipe and the flexible composite pipe on the magnetic powder spraying seat through the movable seat.
Preferably, a magnetic powder tank is arranged above the powder spraying gun.
In summary, the utility model has the following beneficial effects:
The utility model can directly verify the air tightness of the annulus, and if the leakage is found, the leakage position can be directly found, thereby improving the process.
The utility model performs double verification by performing an annular vacuum test and an inflation test, and eliminates the problem of failure of sealing performance under special conditions.
According to the utility model, the three-way connector is used for enabling the two-step test to be performed without repeatedly plugging and unplugging the exhaust holes, so that the possibility that the sealing of the exhaust holes is affected by manual operation is reduced, and simultaneously, the variables of the two tests are controlled.
The buffer tank is added, so that the air charging process is uniform and stable, and the influence caused by nonuniform air charging pressure due to air charging equipment is eliminated.
According to the utility model, the buffer tank connected with the air pump can realize inflation test and spraying of magnetic powder, and the whole annular air tightness can be judged through the subsequent blowing condition of the magnetic powder on the surface by the magnetic powder.
Drawings
FIG. 1 is a schematic view of the front overall structure of the present utility model;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic side overall construction of the present utility model;
fig. 4 is a schematic view of the installation structure of the powder gun on the magnetic powder spraying seat of the utility model.
Detailed Description
The following description of the embodiments of the utility model is further illustrated in the accompanying drawings, and the examples are not meant to limit the utility model.
The device comprises a detection frame 1, a connecting seat, a magnetic powder spraying seat 2, an air pump 3 and a vacuumizing machine 4, wherein the magnetic powder spraying seat 2 and the connecting seat are arranged in the detection frame 1 in a front-back installation mode, the flexible composite pipe annular space is clamped and arranged in the connecting seat, the magnetic powder spraying seat 2 is oppositely arranged at the joint of the flexible composite pipe annular space and the flexible composite pipe, a powder spraying gun 5 is rotatably arranged on the magnetic powder spraying seat 2, a detection pipe orifice 6 is arranged in the connecting seat, the detection pipe orifice 6 is in sealing communication with an air outlet of the flexible composite pipe annular space, the air pump 3 is communicated with a buffer tank 7, the buffer tank 7 is provided with two groups of air outlets, the two groups of air outlets are respectively communicated with the detection pipe orifice 6 in the connecting seat and the powder spraying gun 5 on the magnetic powder spraying seat 2 through pipelines, and the vacuumizing machine 4 is communicated with the detection pipe orifice 6 in the connecting seat through pipelines.
The connecting seat comprises an upper movable seat 8 and a lower fixed seat 9, the upper movable seat 8 and the lower fixed seat 9 are of arc structures which are oppositely arranged, the lower fixed seat 9 is connected with the detection frame 1 through two groups of symmetrically arranged threaded rods 10, two ends of each threaded rod 10 are respectively connected with the lower fixed seat 9 and the detection frame 1 in a rotating mode through bearing seats, the outer walls of the tops of the two groups of threaded rods 10 are fixedly connected with a transmission gear 11, the top of the detection frame 1 is fixedly provided with a transmission motor 12, the output end of the transmission motor 12 penetrates through the top of the detection frame 1 and is connected with an output gear 13, the output gear 13 is in meshed transmission with the transmission gear 11, and the middle of each threaded rod 10 is connected with two sides of the upper movable seat 8 through thread transmission.
The relative inboard of going up movable seat 8 and lower fixing base 9 all is provided with arc spacing arch 14, detects mouth of pipe 6 and sets up on last movable seat 8, detects mouth of pipe 6 bottom fixed mounting and has a sealed 15, detects mouth of pipe 6 outer wall middle part and is provided with a spacing ring 16, goes up movable seat 8 and corresponds spacing ring 16 and be provided with a movable groove 17, and spacing ring 16 is movable from top to bottom in movable groove 17, and movable groove 17 is equipped with a buffer spring 18 in the cover on detecting mouth of pipe 6, and buffer spring 18 bottom supports and leans on in spacing ring 16 upper portion.
One group of air outlets of the buffer tank 7, the vacuumizing machine 4 and the detection pipe orifice 6 are communicated through a three-way joint 20, and electromagnetic valves 19 are arranged on communication pipelines of the three-way joint 20, the buffer tank 7, the vacuumizing machine 4 and the detection pipe orifice 6.
The communication pipeline between the three-way joint 20 and the detection pipe orifice 6 is also provided with a pressure sensor 21 and a temperature sensor 22, and the air tightness of the annulus can be judged through the pressure sensor 21 and the temperature sensor 22.
The top of the detection frame 1 is also provided with a timer 23 and a controller 24, the controller 24 is electrically connected with each electromagnetic valve 19 and the transmission motor 12, and the control of each electromagnetic valve 19 is realized through the controller 24, so that annulus vacuum test and inflation test are conveniently and respectively carried out.
The magnetic powder spraying seat 2 is of an annular structure, the magnetic powder spraying seat 2 is installed in the detection frame 1 through two groups of connecting rods, and the powder spraying gun 5 moves circumferentially on the magnetic powder spraying seat 2 along the joint of the annular space of the flexible composite pipe and the flexible composite pipe through the movable seat 26.
A magnetic powder tank 25 is arranged above the powder gun 5, and the powder gun 5 realizes the spraying of magnetic powder in the magnetic powder pipe 25 through the gas in the buffer tank 7 by power.
The working flow of the utility model is that firstly, vacuum tightness is detected, a controller closes an electromagnetic valve at a buffer tank, a vacuumizing machine is opened, then two groups of electromagnetic valves between the vacuumizing machine and a detecting pipe orifice are opened under the control of the controller, air in an annulus is pumped away by the vacuumizing machine through an exhaust hole, then, through a remote observation pressure sensor, when the pressure reaches a preset pressure value, the two groups of electromagnetic valves and the vacuumizing machine are closed, a timer, a temperature sensor and the pressure sensor start to record, the preset time is reached, how much pressure and the temperature at the moment are observed, then, an inflation tightness test is carried out, the electromagnetic valves between an air pump, the buffer tank and the detecting pipe orifice 6 are opened, the buffer tank is used for carrying out the inflation test on the annulus, when the pressure reaches the preset pressure value, the two groups of electromagnetic valves and the buffer tank are closed, the timer, the temperature sensor and the pressure sensor start to record, the preset time is reached, the descending pressure value and the temperature at the moment are checked, if the outer surface of leakage can be checked by air flow, and the state is found by blowing of magnetic powder after the inner surface can be decompressed.
The utility model can directly verify the air tightness of the annulus, and if the leakage is found, the leakage position can be directly found, thereby improving the process.
The utility model performs double verification by performing an annular vacuum test and an inflation test, and eliminates the problem of failure of sealing performance under special conditions.
According to the utility model, the three-way connector is used for enabling the two-step test to be performed without repeatedly plugging and unplugging the exhaust holes, so that the possibility that the sealing of the exhaust holes is affected by manual operation is reduced, and simultaneously, the variables of the two tests are controlled.
The buffer tank is added, so that the air charging process is uniform and stable, and the influence caused by nonuniform air charging pressure due to air charging equipment is eliminated.
According to the utility model, the buffer tank connected with the air pump can realize inflation test and spraying of magnetic powder, and the whole annular air tightness can be judged through the subsequent blowing condition of the magnetic powder on the surface by the magnetic powder.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a flexible compound pipe annular space sealing performance detection device, its characterized in that, including detecting frame, connecting seat, magnetic powder spouts seat, air pump and evacuating machine, the magnetic powder spouts seat and installs around the connecting seat and set up in detecting frame, the centre gripping sets up flexible compound pipe annular space in the connecting seat, the magnetic powder spouts the seat and sets up in the junction of flexible compound pipe annular space and flexible compound pipe relatively, the magnetic powder spouts the seat and rotates and be provided with a powder gun, be provided with a detection mouth of pipe in the connecting seat, the detection mouth of pipe is sealed with the gas vent of flexible compound pipe annular space and is linked together, the air pump intercommunication has a buffer tank, the buffer tank is provided with two sets of gas outlets, two sets of the gas outlet is linked together through the pipeline respectively with the detection mouth of pipe in the connecting seat, the powder gun on the magnetic powder spouts the seat, evacuating machine passes through the pipeline and the detection mouth of pipe intercommunication in the connecting seat.
2. The device for detecting the annular sealing performance of the flexible composite pipe according to claim 1, wherein the connecting seat comprises an upper movable seat and a lower fixed seat, the upper movable seat and the lower fixed seat are of arc structures which are oppositely arranged, the lower fixed seat is connected with the detecting frame through two groups of symmetrically arranged threaded rods, two ends of each threaded rod are respectively connected with the lower fixed seat and the detecting frame through bearing seats in a rotating way, two groups of outer walls of the top of each threaded rod are fixedly connected with a transmission gear, the top of the detecting frame is fixedly provided with a transmission motor, an output end of the transmission motor penetrates through the top of the detecting frame and is in meshed transmission with the transmission gear, and the middle of each threaded rod is in threaded transmission connection with two sides of the upper movable seat.
3. The device for detecting the annular sealing performance of the flexible composite pipe as claimed in claim 2, wherein the inner sides of the upper movable seat and the lower fixed seat are respectively provided with an arc-shaped limiting protrusion.
4. The device for detecting the ring air tightness of the flexible composite pipe according to claim 3, wherein the detecting pipe orifice is arranged on an upper movable seat, a sealing gasket is fixedly arranged at the bottom of the detecting pipe orifice, a limiting ring is arranged in the middle of the outer wall of the detecting pipe orifice, the upper movable seat is provided with a movable groove corresponding to the limiting ring, the limiting ring moves up and down in the movable groove, a buffer spring is sleeved on the detecting pipe orifice in the movable groove, and the bottom of the buffer spring abuts against the upper part of the limiting ring.
5. The device for detecting the annular sealing performance of the flexible composite pipe according to claim 2, wherein one group of air outlets of the buffer tank, the vacuumizing machine and the detecting pipe opening are communicated through a three-way joint, and electromagnetic valves are arranged on communication pipelines of the three-way joint, the buffer tank, the vacuumizing machine and the detecting pipe opening.
6. The device for detecting the annular sealing performance of the flexible composite pipe as claimed in claim 5, wherein the communication pipeline between the three-way joint and the detecting pipe orifice is further provided with a pressure sensor and a temperature sensor.
7. The device for detecting the annular sealing performance of the flexible composite pipe as claimed in claim 6, wherein a timer and a controller are further arranged at the top of the detecting frame, and the controller is electrically connected with each electromagnetic valve and the transmission motor.
8. The device for detecting the annular sealing performance of the flexible composite pipe according to claim 1, wherein the magnetic powder spraying seat is of an annular structure and is arranged in the detecting frame through two groups of connecting rods, and the powder spraying gun moves circumferentially along the joint of the annular space of the flexible composite pipe and the flexible composite pipe on the magnetic powder spraying seat through the movable seat.
9. The device for detecting the annular sealing performance of the flexible composite pipe as claimed in claim 8, wherein the magnetic powder tank is arranged above the powder gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423174996.6U CN223551259U (en) | 2024-12-23 | 2024-12-23 | Flexible composite pipe annular space sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423174996.6U CN223551259U (en) | 2024-12-23 | 2024-12-23 | Flexible composite pipe annular space sealing performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223551259U true CN223551259U (en) | 2025-11-14 |
Family
ID=97632238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423174996.6U Active CN223551259U (en) | 2024-12-23 | 2024-12-23 | Flexible composite pipe annular space sealing performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223551259U (en) |
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2024
- 2024-12-23 CN CN202423174996.6U patent/CN223551259U/en active Active
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