CN119617230B - Pressure testing device for heat supply pipeline - Google Patents
Pressure testing device for heat supply pipelineInfo
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- CN119617230B CN119617230B CN202510169237.0A CN202510169237A CN119617230B CN 119617230 B CN119617230 B CN 119617230B CN 202510169237 A CN202510169237 A CN 202510169237A CN 119617230 B CN119617230 B CN 119617230B
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- ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow in pipes or hoses
- F16L55/115—Caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—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
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- 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
- G01N3/02—Details
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- 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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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a heat supply pipeline pressure test device, in particular to the technical field of pipeline pressure test, which comprises a pressure test ring, two transverse rubber rings, a heat supply pipeline, a first pressure sensor and a transverse and longitudinal interval pressure test mechanism, wherein the transverse and longitudinal interval pressure test mechanism comprises a support frame, a bidirectional screw rod, a speed reduction motor, a pressure test area positioning mechanism and a deflection pressure test detection assembly. The pressure test device has the advantages that the specific area of pressure test fault leakage of the heat supply pipeline can be accurately known through the transverse and longitudinal interval pressure test mechanism, the left cavity area is formed inside the pressure test ring, and the right cavity area is formed inside the pressure test ring, so that the pressure test accuracy of the heat supply pipeline is greatly improved, the problem that the specific leakage positions of the designated transverse area and the longitudinal interval area of the heat supply pipeline are difficult to accurately know, the pressure test fault leakage problem area is difficult to accurately know, and the pressure test accuracy of the heat supply pipeline is poor is solved.
Description
Technical Field
The invention relates to the technical field of pipeline pressure test, in particular to a heat supply pipeline pressure test device.
Background
The pressure test device of the heat supply pipeline can detect the tightness and the pressure bearing capacity of the pipeline by applying certain pressure into the pipeline. This is critical to the safe operation of the heating system, since if there is a leak in the piping or the piping is not able to withstand the operating pressure, it will result in poor heating and even safety accidents. Through the pressure testing device, the problems can be found and solved in time, and the normal operation of the heating system is ensured.
In the prior art, chinese patent publication CN116577023a discloses a pressure test device for pipes, the pressure test technology is that the pipes to be tested are placed on a rack, then a locking motor is started, the locking motor drives a screw rod to rotate, the screw rod drives a moving block, the moving block moves horizontally under the guiding action of a guide rod, thereby driving a support plate to move horizontally, end covers on the support plate push the pipes until flanges at two ends of the pipes are respectively embedded into the two groups of end covers and tightly pressed and fixed with the end covers, the pipes can be assembled, and then the pressure test pump is started to perform the pressure test of the pipes. However, this technique has the following drawbacks.
When the heat supply pipeline is subjected to pressure test, fluid pressure is mainly applied to the heat supply pipeline, so that whether the pressure can be stabilized in a specified range is checked, whether the heat supply pipeline has a leakage problem is judged, but the heat supply pipeline is long, the specific leakage positions of the specified transverse area and the longitudinal interval area of the heat supply pipeline are difficult to accurately know, maintenance personnel also need to spend more time, the specific leakage positions of the pressure test are observed and found, the leakage problem area of the pressure test fault is difficult to accurately know, the pressure test accuracy of the heat supply pipeline is poor, and the heat supply pipeline pressure test device is needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the heat supply pipeline pressure test device comprises a pressure test ring, wherein two transverse rubber rings are fixedly connected to the inner wall of the pressure test ring, a heat supply pipeline is connected to the inner wall of the transverse rubber rings in a sliding manner, a first pressure sensor is fixedly connected to the inner wall of the heat supply pipeline and away from the position of the transverse rubber rings, a transverse longitudinal interval pressure test mechanism is arranged on one side of the outer wall of the pressure test ring, the transverse longitudinal interval pressure test mechanism comprises a support frame fixedly arranged on one side of the outer wall of the pressure test ring, a bidirectional screw is rotatably connected to the inner part of the support frame, a speed reducing motor is fixedly arranged at the top end of the support frame and used for driving the bidirectional screw to rotate, two thread sleeve strips are connected to the outer wall threads of the bidirectional screw in a sliding manner, and the two thread sleeve strips are oppositely and symmetrically arranged on the outer wall of the bidirectional screw.
The two threaded sleeve strips are all in sliding connection with the supporting frame, one end part of each threaded sleeve strip is fixedly connected with a pressing plate, a pressing block is fixedly arranged at the bottom end of the inner wall of the pressing plate, an extrusion strip is fixedly connected to the top end of the pressing block, a rubber jacket is adhered to the outer wall of the extrusion strip, the rubber jacket is in sliding connection with a pressure test ring, a longitudinal sealing strip is fixedly connected to the top end of the extrusion strip, arc-shaped pressing plates are fixedly connected to the two top ends of the pressing plate, the arc-shaped pressing plates are fixedly connected with the transverse rubber ring, lower calandria are arranged on the two sides of the pressing plate, a pressure test area positioning mechanism is arranged at the bottom end of the lower calandria, and a deflection pressure test detection assembly is arranged on the lower surface of the pressing plate.
Preferably, the output end of the speed reducing motor is fixedly connected with the bidirectional screw rod, and the longitudinal sealing strip is in sliding connection with the heat supply pipeline. The torque sensor is installed to the bottom of two-way screw rod, fixed connection between torque sensor's the sensing end and the two-way screw rod, just torque sensor's outer wall one side fixed mounting has a piece, fixed connection between piece and the frame. The battery is fixedly arranged on one side of the support frame, the holding rod is arranged below the battery and fixedly connected with the support frame, the controller is fixedly arranged on the outer wall of the holding rod, the limiting rings are arranged on two sides of the controller, and the two limiting rings are fixedly connected with the holding rod. The outer wall bottom of heat supply pipeline just is close to the fixed intercommunication of first pressure sensor position department there is the test valve the bottom fixed intercommunication of test valve has the booster pump, the fixed intercommunication of input of booster pump has the butt joint screwed pipe. The two ends of the heating pipeline are communicated with locking valves in threads, and the two locking valves are symmetrically arranged relative to the heating pipeline.
When the technology is used, a leakage pressure test area on a heat supply pipeline is selected, then the two screw thread sleeve strips are driven by the two screw threads to be close to each other under the action of screw thread transmission force by starting the speed reducing motor, so that the screw thread sleeve strips move upwards, the other screw thread sleeve strip moves downwards, the pressing plate drives the two arc pressing plates to move upwards, and the sealing pressure test operation of the transverse interval area can be realized by the two transverse rubber rings. The pressing block drives the extrusion strip to move upwards, and the extrusion strip drives the rubber jacket to move upwards, so that the rubber jacket can be extruded and sealed with the pressure testing ring. The longitudinal sealing strips are extruded at the bottom of the outer wall of the heat supply pipeline, and the upper longitudinal sealing strips are extruded and sealed at the top of the outer wall of the heat supply pipeline, so that the two longitudinal sealing strips can realize the interval sealing operation of the longitudinal area of the heat supply pipeline. A left side cavity region is formed inside the pressure test ring, and a right side cavity region is formed inside the pressure test ring.
The pressure test area positioning mechanism comprises a lower valve fixedly arranged at the bottom end of a lower calandria, the lower calandria is fixedly communicated with a pressure test ring, the pressure test area positioning mechanism further comprises a second pressure sensor, a spray head, a support ring and a bar code, the second pressure sensor is fixedly inserted into one side of the outer wall of the lower calandria, the spray head is fixedly communicated with the bottom end of the lower valve, the support ring is fixedly arranged on the outer wall of the spray head, and the bar code is fixedly connected to one side of the outer wall of the support ring. The diameter of the inner wall of the top end of the spray head is larger than that of the inner wall of the bottom end of the spray head, and the inner walls of the spray head and the lower calandria are smooth surfaces.
When the technology is used, leaked water is pressurized into the lower exhaust pipe, the lower exhaust pipe is closed by the lower exhaust valve, and when the second pressure sensor senses the pressure value, the lower exhaust valve is opened, so that the leaked water enters the spray head along the lower exhaust valve, and the spray head realizes the lower spraying operation.
The rotary motor is fixedly arranged on the lower surface of the pressing plate, a rotary rod is fixedly arranged at the output end of the rotary motor, a rotary shaft is fixedly connected to the bottom end of the rotary rod, a sleeved rotary bar is fixedly connected to the outer wall of the rotary shaft, a lantern ring is fixedly connected to the bottom end of the sleeved rotary bar, a humidity sensor is fixedly arranged on the inner wall of the lantern ring, a bar code identification sensor is arranged on one side of the lantern ring, and two area indicator lamps are fixedly arranged at the top end of the outer wall of the pressure test ring. The bar code recognition sensor is fixedly connected with the sleeved rotating bar, and the sleeved rotating bar is used for supporting the humidity sensor.
When the technology is used, the rotating motor drives the rotating rod to rotate, the rotating shaft drives the sleeve joint rotating bar to rotate, the lantern ring drives the humidity sensor to rotate, the humidity sensor rotates below the spray head, and the bar code identification sensor rotates below the bar code. When the humidity sensor senses the humidity of the leaked water body sprayed out by the spray head, the bar code recognition sensor performs bar code recognition on the bar code at the same time after sensing the humidity. At this time, the controller turns on the left side area indicator lamp, and maintenance personnel arrive the scene and can know the pressure measurement leakage fault concrete area position of heating pipeline accurately.
The invention has the technical effects and advantages that:
1. According to the invention, through the transverse and longitudinal interval pressure test mechanism, the leakage problem occurs in the heat supply pipeline, the support frame drives the pressure test ring to enable the two transverse rubber rings to move right on the outer wall of the heat supply pipeline, a leakage area on one heat supply pipeline is selected, the speed reducing motor drives the bidirectional screw rod to rotate, the two threaded sleeve strips are mutually close under the action of the screw thread transmission force, the transverse rubber rings can be pressed and sealed on the heat supply pipeline under the stress of the screw thread transmission force, the sealing pressure test operation of the transverse interval areas can be realized by the two transverse rubber rings, the pressing strips drive the rubber jackets to move upwards, the longitudinal sealing strips are pressed at the bottom of the outer wall of the heat supply pipeline, the upper longitudinal sealing strips are pressed and sealed at the top of the outer wall of the heat supply pipeline, a left cavity area is formed inside the pressure test ring, and a right cavity area is formed inside the pressure test ring, so that the specific area of pressure test fault leakage of the heat supply pipeline can be accurately known, and the pressure test accuracy of the heat supply pipeline is greatly improved.
2. According to the invention, the pressure test area positioning mechanism is adopted, the leaked water body is pressurized into the lower exhaust pipe, meanwhile, the lower exhaust pipe is closed by the lower exhaust valve, when the pressure value is sensed by the second pressure sensor, the lower exhaust valve is opened, the leaked water body enters the spray head along the lower exhaust valve, the spray head realizes the downward spraying operation, the support ring supports the bar code, the stability of the bar code is improved, the specific leakage positions of the appointed transverse area and the longitudinal interval area of the heat supply pipeline can be accurately sensed and marked, and the pressure test accuracy of the heat supply pipeline is greatly improved.
3. According to the invention, the deflection pressure test detection assembly is adopted, the rotating motor drives the rotating rod to rotate, the rotating rod drives the rotating shaft to rotate, the sleeve ring drives the humidity sensor to rotate, the sleeve ring drives the bar code identification sensor to rotate, the bar code identification sensor rotates below the bar code, the humidity sensor senses the humidity of a water body which is sprayed and leaked by the spray head, the bar code identification sensor identifies the bar code after sensing the humidity, and the pressure test leakage fault occurs at the position of the heat supply pipeline at the left cavity area inside the pressure test ring after the area indicator lights.
The mutual influence of the functions enables the two transverse rubber rings to realize sealing pressure test operation of the transverse interval area, the longitudinal sealing strips are extruded at the bottom of the outer wall of the heat supply pipeline, the upper longitudinal sealing strips are extruded and sealed at the top of the outer wall of the heat supply pipeline, then when the second pressure sensor senses the pressure value, the lower discharge valve is opened, leaked water enters the spray head along the lower discharge valve to be sprayed downwards, and finally when the humidity sensor senses the humidity of the leaked water sprayed by the spray head, the bar code recognition sensor recognizes the bar code. In conclusion, the specific leakage positions of the appointed transverse area and the longitudinal interval area of the heat supply pipeline can be accurately sensed and marked, the specific area of the heat supply pipeline with pressure test fault leakage can be accurately known, and the pressure test accuracy of the heat supply pipeline is greatly improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the pressure test device for the heat supply pipeline.
Fig. 2 is a schematic view of a cut-off partial structure of a joint of a heating pipeline and a locking valve according to the present invention.
FIG. 3 is a schematic view of a cut-away partial structure of the connection between a platen and an arcuate platen in accordance with the present invention.
Fig. 4 is a schematic view of a vertical section cut-off partial structure of a joint of a rubber jacket and a longitudinal sealing strip of the invention.
Fig. 5 is a schematic diagram of a front view of a joint between a grip lever and a stop collar according to the present invention.
Fig. 6 is a schematic diagram of a vertical section structure of the pressure test device for the heat supply pipeline of the present invention.
FIG. 7 is a schematic view showing a truncated bottom partial structure of a connection portion between a pressure test ring and a lower calandria.
Fig. 8 is a schematic view showing a bottom view of the positioning mechanism for the pressure test area according to the present invention.
Fig. 9 is a schematic diagram of a partial structure of a bar code recognition sensor and a bar code splitting structure according to the present invention.
FIG. 10 is a schematic top view of the deflection pressure test assembly of the present invention.
The device comprises a pressure test ring 1, a transverse rubber ring 2, a heat supply pipeline 3, a first pressure sensor 4, a support frame 5, a support frame 6, a bidirectional screw rod 7, a reduction motor 8, a threaded sleeve strip 9, a pressing plate 10, a pressing block 11, a pressing strip 12, a rubber jacket 13, a longitudinal sealing strip 14, an arc-shaped pressing plate 15, a torque sensor 16, a support block 17, a battery 18, a holding rod 19, a controller 20, a limiting ring 21, a test valve 22, a booster pump 23, a butt threaded pipe 24, a lower discharge pipe 25, a lower discharge valve 26, a second pressure sensor 27, a spray head 28, a support ring 29, a bar code 30, a rotating motor 31, a rotating rod 32, a rotating shaft 33, a sleeve joint rotating strip 34, a sleeve ring 35, a humidity sensor 36, a bar code identification sensor 37, a region indicating lamp 38 and a locking valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a heat supply pipeline pressure testing device as shown in fig. 1-10, be provided with horizontal vertical interval pressure testing mechanism, pressure testing regional positioning mechanism, the pressure testing detection component that shifts on this heat supply pipeline pressure testing device, the setting of each mechanism and subassembly can carry out accurate sensing mark to the specific leakage position of heat supply pipeline 3 appointed horizontal region and vertical interval region, can know the specific region that heat supply pipeline 3 pressure testing trouble leaked accurately, improve the pressure testing accuracy of heat supply pipeline 3 by a wide margin, the specific structure setting of each mechanism and subassembly is as follows.
In this embodiment, as shown in fig. 1-7, two transverse rubber rings 2 are fixedly connected to the inner wall of the pressure testing ring 1, a heat supply pipeline 3 is slidably connected to the inner wall of the transverse rubber ring 2, a first pressure sensor 4 is fixedly connected to the inner wall of the heat supply pipeline 3 and a position far away from the transverse rubber ring 2, and a transverse and longitudinal interval pressure testing mechanism is arranged on one side of the outer wall of the pressure testing ring 1. The transverse and longitudinal interval pressure testing mechanism comprises a support frame 5 fixedly arranged on one side of the outer wall of the pressure testing ring 1, a bidirectional screw rod 6 is rotatably connected in the support frame 5, a speed reducing motor 7 is fixedly arranged at the top end of the support frame 5, the speed reducing motor 7 is used for driving the bidirectional screw rod 6 to rotate, two thread sleeve strips 8 are connected with the outer wall of the bidirectional screw rod 6 in a threaded manner, the two thread sleeve strips 8 are connected with the support frame 5 in a sliding manner, and two threads of the outer wall of the bidirectional screw rod 6 are opposite and symmetrically arranged.
The two threaded sleeve strips 8 are both in sliding connection with the supporting frame 5, one end part of each threaded sleeve strip 8 is fixedly connected with a pressing plate 9, a pressing block 10 is fixedly installed at the bottom end of the inner wall of the pressing plate 9, the top end of the pressing block 10 is fixedly connected with an extrusion strip 11, a rubber jacket 12 is adhered to the outer wall of the extrusion strip 11, the rubber jacket 12 is in sliding connection with the pressure test ring 1, the top end of the extrusion strip 11 is fixedly connected with a longitudinal sealing strip 13, two top ends of the pressing plate 9 are both fixedly connected with arc-shaped pressing plates 14, the arc-shaped pressing plates 14 are fixedly connected with the transverse rubber ring 2, lower discharge pipes 24 are arranged on two sides of the pressing plate 9, a pressure test area positioning mechanism is arranged at the bottom end of the lower discharge pipes 24, and a deflection pressure test detection assembly is arranged on the lower surface of the pressing plate 9.
In this embodiment, as shown in fig. 2-6, a torque sensor 15 is installed at the bottom end of the bi-directional screw rod 6, a sensing end of the torque sensor 15 is fixedly connected with the bi-directional screw rod 6, a supporting block 16 is fixedly installed at one side of the outer wall of the torque sensor 15, the supporting block 16 is fixedly connected with the supporting frame 5, so that the supporting block 16 supports the torque sensor 15, the torque sensor 15 senses torque force of the bi-directional screw rod 6, and when the torque force value sensed by the torque sensor 15 is the same as the torque force value set by the controller 19, the speed reducing motor 7 is turned off by the controller 19. The battery 17 is fixedly arranged on one side of the support frame 5, the holding rod 18 is arranged below the battery 17 and fixedly connected with the support frame 5, the controller 19 is fixedly arranged on the outer wall of the holding rod 18, the limiting rings 20 are arranged on two sides of the controller 19, the two limiting rings 20 are fixedly connected with the holding rod 18, so that the controller 19 is conveniently supplied by the battery 17, a hand is held on the outer wall of the holding rod 18, and the two limiting rings 20 limit the hand and facilitate movement of the pressure testing ring 1.
The outer wall bottom of the heat supply pipeline 3 and the position close to the first pressure sensor 4 are fixedly communicated with a test valve 21, the bottom end of the test valve 21 is fixedly communicated with a booster pump 22, the input end of the booster pump 22 is fixedly communicated with a butt threaded pipe 23, two ends of the heat supply pipeline 3 are respectively and spirally communicated with a locking valve 38, and the two locking valves 38 are symmetrically arranged relative to the heat supply pipeline 3. So that the two locking valves 38 are closed by the controller 19, then the tap water pipeline to be tested is in threaded butt joint with the inner wall of the butt joint threaded pipe 23, the booster pump 22 is started by the controller 19, the tested water body is pressurized and enters the position of the testing valve 21, the pressurized water body is filled into the heat supply pipeline 3 after the testing valve 21 is opened, and when the pressure value sensed by the first pressure sensor 4 is the same as the testing pressure value, the pressure value is kept at the position of the pressure value, and the heat supply pipeline 3 is free from leakage damage.
In this embodiment, as shown in fig. 7-8, the pressure test area positioning mechanism comprises a lower row valve 25 fixedly arranged at the bottom end of the lower row pipe 24, the lower row pipe 24 is fixedly communicated with the pressure test ring 1, the pressure test area positioning mechanism further comprises a second pressure sensor 26, a spray head 27, a support ring 28 and a bar code 29, the second pressure sensor 26 is fixedly inserted at one side of the outer wall of the lower row pipe 24, the spray head 27 is fixedly communicated with the bottom end of the lower row valve 25, the support ring 28 is fixedly arranged on the outer wall of the spray head 27, and the bar code 29 is fixedly connected at one side of the outer wall of the support ring 28. Diameter of inner wall of tip of nozzle 27 is larger than the diameter of the inner wall of the bottom end of the water tank, the inner walls of the nozzle 27 and the lower gauntlet 24 are smooth surfaces.
In this embodiment, as shown in fig. 7-10, the deflection pressure test detection assembly comprises a rotating motor 30 fixedly arranged on the lower surface of a pressing plate 9, a rotating rod 31 is fixedly arranged at the output end of the rotating motor 30, the bottom end of the rotating rod 31 is fixedly connected with a rotating shaft 32, the outer wall of the rotating shaft 32 is fixedly connected with a sleeved rotating bar 33, the bottom end of the sleeved rotating bar 33 is fixedly connected with a collar 34, a humidity sensor 35 is fixedly arranged on the inner wall of the collar 34, a bar code identification sensor 36 is arranged on one side of the collar 34, and two area indicator lamps 37 are fixedly arranged at the top end of the outer wall of the pressure test ring 1. The bar code recognition sensor 36 is fixedly connected with the sleeving rotating bar 33, and the sleeving rotating bar 33 is used for supporting the humidity sensor 35.
The application method of the heat supply pipeline pressure test device comprises the following steps:
In the first step, when the pressure test is closed, the controller 19 is powered by the battery 17, the hand is held on the outer wall of the holding rod 18, the two limiting rings 20 limit the hand, and the controller 19 closes the two locking valves 38 to realize the closing operation of the heating pipeline 3. Meanwhile, the tap water pipeline to be tested is in threaded butt joint with the inner wall of the butt joint threaded pipe 23, the booster pump 22 is started by the controller 19, so that the water body to be tested is pressurized and enters the position of the test valve 21, and after the test valve 21 is opened, the pressurized water body is filled into the heat supply pipeline 3. At the same time, the first pressure sensor 4 senses the pressure value inside the heat supply pipe 3, and when the pressure value sensed by the first pressure sensor 4 is the same as the test pressure value, the first pressure sensor 4 is maintained at the position of the test pressure value, so that the heat supply pipe 3 is not damaged by leakage. When the pressure value sensed by the first pressure sensor 4 is lower than the test value set by the controller 19, a leakage problem occurs in the heating pipe 3.
And step two, when the pressure is tested at intervals in the transverse and longitudinal directions, when the heat supply pipeline 3 is pressurized and leaked, the heat supply pipeline 3 is held on the holding rod 18 to move, the holding rod 18 drives the support frame 5 to move right, and the support frame 5 drives the test ring 1 to enable the two transverse rubber rings 2 to move right on the outer wall of the heat supply pipeline 3. The leakage pressure test area on one heat supply pipeline 3 is selected, then through starting the gear motor 7, the gear motor 7 drives the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 drives two thread sleeve strips 8 to be close to each other under the action of the thread transmission force, thus the thread sleeve strips 8 move upwards, the other thread sleeve strip 8 moves downwards, the thread sleeve strips 8 drive the pressing plate 9 to move upwards, the pressing plate 9 drives the two arc pressing plates 14 to move upwards, the arc pressing plates 14 extrude the transverse rubber ring 2, the transverse rubber ring 2 can be stressed to extrude and seal on the heat supply pipeline 3, and because the movement mode of the two arc pressing plates 14 is opposite movement, the structure is symmetrical vertical, the other arc pressing plates 14 move downwards and extrude on the transverse rubber ring 2, and thus the sealing pressure test operation of the transverse interval area can be realized by the two transverse rubber rings 2.
Meanwhile, the pressing plate 9 drives the pressing block 10 to move upwards, the pressing block 10 drives the extrusion strip 11 to move upwards, the extrusion strip 11 drives the rubber jacket 12 to move upwards, and the rubber jacket 12 moves upwards along the inner wall of the pressure testing ring 1, so that the rubber jacket 12 can be extruded and sealed with the pressure testing ring 1. Meanwhile, the extrusion strip 11 extrudes the longitudinal sealing strips 13, the longitudinal sealing strips 13 are extruded at the bottom of the outer wall of the heat supply pipeline 3, and the upper longitudinal sealing strips 13 are extruded and sealed at the top of the outer wall of the heat supply pipeline 3, and as the two longitudinal sealing strips 13 are symmetrically arranged, the two longitudinal sealing strips 13 move in opposite directions and move close to each other, so that the other longitudinal sealing strip 13 moves downwards and is extruded at the top of the outer wall of the heat supply pipeline 3, and the two longitudinal sealing strips 13 can realize the interval sealing operation of a longitudinal area on the heat supply pipeline 3. A left side cavity region is formed inside the pressure test ring 1, and a right side cavity region is formed inside the pressure test ring 1. The support block 16 is supported by the support frame 5, the support block 16 supports the torque sensor 15, the torque sensor 15 senses the torque force of the bidirectional screw rod 6, and when the torque force value sensed by the torque sensor 15 is the same as the torque force value set by the controller 19, the speed reducing motor 7 is turned off by the controller 19. When the water body leaked from the heat supply pipeline 3 overflows and fills in the left cavity area inside the pressure test ring 1, the leaked water body enters the lower calandria 24 from the inside of the pressure test ring 1.
And step three, when the pressure test area is positioned, the leaked water body is pressurized into the lower exhaust pipe 24, and meanwhile, the lower exhaust pipe 24 is closed by the lower exhaust valve 25, so that the second pressure sensor 26 senses the pressure of the lower exhaust pipe 24. When the second pressure sensor 26 senses the pressure value, the lower discharge valve 25 is opened, so that the leaked water enters the spray head 27 along the lower discharge valve 25, the spray head 27 realizes the lower spray operation, the spray head 27 supports the branch ring 28, the branch ring 28 supports the bar code 29, and the stability of the bar code 29 is improved.
In the fourth step, when the pressure test is performed, the rotating motor 30 is started to rotate by the controller 19, the rotating motor 30 drives the rotating rod 31 to rotate, the rotating rod 31 drives the rotating shaft 32 to rotate, the rotating shaft 32 drives the sleeving rotating strip 33 to rotate, and the sleeving rotating strip 33 enables the lantern ring 34 to rotate. Meanwhile, the collar 34 drives the humidity sensor 35 to rotate, the humidity sensor 35 rotates below the spray head 27, and meanwhile, the sleeving rotating bar 33 drives the bar code recognition sensor 36 to rotate, and the bar code recognition sensor 36 rotates below the bar code 29. When the humidity sensor 35 senses the humidity of the leaked water body sprayed out from the spray head 27, the barcode recognition sensor 36 performs barcode recognition on the barcode 29 at the same time after sensing the humidity. The controller 19 opens left side regional indicator lamp 37 like this, and regional indicator lamp 37 lights the back then the inside left side cavity region department of pressure testing ring 1 heat supply pipeline 3 position appearance pressure measurement leakage trouble, and maintainer reaches the scene like this and can know the pressure measurement leakage trouble concrete regional position of heat supply pipeline 3 accurately, need not to carry out the large tracts of land investigation to heat supply pipeline 3.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited, and conventional equipment is used.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN212565335U (en) * | 2020-04-09 | 2021-02-19 | 燕振君 | Pressure pipeline leakage detection device |
| CN221444024U (en) * | 2023-11-22 | 2024-07-30 | 李硕 | Multi-point monitoring device for leakage of offshore oil well casing |
| CN118532553A (en) * | 2024-05-28 | 2024-08-23 | 郑州修远建设工程有限公司 | Leakage-proof device for tap water supply pipeline |
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| GB2055210A (en) * | 1979-08-13 | 1981-02-25 | Drexel Equipment Ltd | Leak testing pipes |
| CA2973084A1 (en) * | 2015-01-09 | 2016-07-14 | Lawrence STONITSCH | Method for forming pressure-testable field joint between pre-insulated pipe sections, and piping system with presure-testable field joint |
| JP6807427B2 (en) * | 2019-04-19 | 2021-01-06 | 株式会社竹中工務店 | Leakage test jig for existing piping |
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| CN212565335U (en) * | 2020-04-09 | 2021-02-19 | 燕振君 | Pressure pipeline leakage detection device |
| CN221444024U (en) * | 2023-11-22 | 2024-07-30 | 李硕 | Multi-point monitoring device for leakage of offshore oil well casing |
| CN118532553A (en) * | 2024-05-28 | 2024-08-23 | 郑州修远建设工程有限公司 | Leakage-proof device for tap water supply pipeline |
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