CN118150052B - Diesel generating set pipeline sealing performance testing machine - Google Patents
Diesel generating set pipeline sealing performance testing machine Download PDFInfo
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- CN118150052B CN118150052B CN202410566815.XA CN202410566815A CN118150052B CN 118150052 B CN118150052 B CN 118150052B CN 202410566815 A CN202410566815 A CN 202410566815A CN 118150052 B CN118150052 B CN 118150052B
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000003921 oil Substances 0.000 claims abstract description 145
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 17
- 241001330002 Bambuseae Species 0.000 claims description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 17
- 239000011425 bamboo Substances 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 12
- 238000011056 performance test Methods 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 13
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of tightness test, in particular to a diesel generating set pipeline tightness test machine. The hydraulic oil storage device comprises a base, an operating platform, an oil storage cylinder and the like, wherein a controller is arranged on the top surface of the operating platform, two mounting pipes are symmetrically arranged on the operating platform, a hydraulic sensor is arranged on the oil storage cylinder, a piston rod is slidably connected in the oil storage cylinder, an oil conveying pipe is communicated with the oil storage cylinder and one of the mounting pipes, and a liquid level sensor is arranged on the operating platform. According to the invention, through the cooperation of the hydraulic sensor, the oil supply assembly and the impact mechanism, hydraulic oil in the oil storage cylinder can be controlled to slowly or quickly enter the test tube to be tested, and the pressure in the pipeline can be controlled to be 1.5 times of the normal working pressure of the test tube, so that the sealing performance of the pipeline under the condition of continuous pressure increase can be tested, the sealing performance of the pipeline under the condition of instantaneous pressure increase can also be tested, and the accuracy of a test result is ensured.
Description
Technical Field
The invention relates to the technical field of tightness test, in particular to a diesel generating set pipeline tightness test machine.
Background
The pipeline of the diesel generator set is a pipeline system for conveying various mediums in the operation process of the diesel generator set, and the overall operation efficiency and the safety of the diesel generator set can be directly influenced by the quality of the sealing performance of the pipeline, so that the pipeline of the diesel generator set is required to be subjected to the sealing performance test.
At present, when the sealing performance of the pipeline of the diesel generator set is tested, a pressure test method is generally adopted, firstly, two ends of the pipeline are sealed, then liquid is injected into the pipeline and is boosted to 1.5 times of the normal working pressure, the pressure is maintained for 15-60 minutes, and whether the sealing performance of the pipeline meets the standard can be known by observing whether the liquid leakage exists at the joint of the pipeline. In the actual use process of the diesel generator set, when the load of the generator set suddenly increases or decreases, the pressure in the oil supply pipeline can change rapidly, but the existing test mode generally only can test the sealing performance of the pipeline under the condition that the pressure continuously increases, the sealing performance of the pipeline under the condition that the internal pressure of the pipeline instantaneously increases in the actual use process cannot be simulated, and the instantaneous pressure change can cause vibration or impact of the oil pipe and a connecting part, and the dynamic effect can influence the sealing performance of the oil pipe and the connecting part, so that the test result is inaccurate.
Disclosure of Invention
In view of the above, the invention provides a diesel generator set pipeline sealing performance testing machine, which can overcome the defect that the existing testing mode cannot simulate the sealing performance of a pipeline under the condition that the internal pressure is instantaneously increased in the actual use process, so that the testing result is inaccurate.
The technical proposal is as follows: the utility model provides a diesel generating set pipeline sealing performance test machine, including base and operation panel, still including oil storage section of thick bamboo, oil feeding subassembly, exhaust subassembly, fixed establishment and impact mechanism, the controller install in the operation panel top surface, two mounting tubes symmetry set up in on the operation panel, hydraulic sensor install in on the oil storage section of thick bamboo, piston rod sliding connection in the oil storage section of thick bamboo, the oil pipe intercommunication oil storage section of thick bamboo with one of them mounting tubes, liquid level sensor install in on the operation panel, the connecting piece at pipeline both ends can cup joint respectively two on the mounting tubes, fixed establishment is used for the position of pipeline, afterwards the controller can control oil feeding subassembly carries hydraulic oil to in the oil storage section of thick bamboo, hydraulic oil in the oil storage section of thick bamboo passes through oil pipeline can carry to in the pipeline, exhaust subassembly is used for discharging the air in the pipeline, works as hydraulic sensor detects pressure in the oil storage section of thick bamboo reaches 1.5 times of pipeline normal operating pressure, and carries out when the junction that observes the pipeline has liquid leakage to test the pipeline can be carried out under the pipeline pressure, and can be increased under the pipeline normal pressure condition, the pressure can be used for the pipeline normal pressure to make the pipeline sealing performance in the pipeline is directly perceived in the pipeline is increased, and the pressure can be increased in the pipeline is used for the pressure is increased in the pipeline, the pressure is constantly under the pressure condition that the pipeline is normally is used for the pressure is sealed in the pipeline.
Further, the oil supply assembly comprises an oil filling tank, a hydraulic oil pump, an oil pumping pipe, an oil outlet pipe and an electric control valve I, wherein the oil filling tank and the hydraulic oil pump are connected to the top surface of the base, the oil pumping pipe is communicated with the oil filling tank and the oil inlet of the hydraulic oil pump, the oil outlet pipe is communicated with the oil storage cylinder and the oil outlet of the hydraulic oil pump, so that the hydraulic oil pump can convey hydraulic oil in the oil filling tank to the oil storage cylinder through the oil pumping pipe and the oil outlet pipe, and the electric control valve I is arranged on the oil outlet pipe.
Further, the exhaust assembly comprises an exhaust pipe, a lifting rod, a control switch I and an electric control valve II, wherein the exhaust pipe is connected to the other installation pipe, the lifting rod is slidably connected to the exhaust pipe, and an exhaust hole is formed in the lifting rod, so that air in a pipeline can be exhausted outwards through the exhaust pipe and the exhaust hole, the control switch I is installed at the end part of the exhaust pipe, and the electric control valve II is installed on the exhaust pipe.
Further, the fixed establishment is including link, go-between, sealed I, guide block and compress tightly the subassembly, link symmetry connect in on the operation panel, just the installation pipe with link fixed connection, go-between fixed connection in the installation pipe outer wall, sealed I connect in the go-between top surface, just sealed I with installation pipe outer wall connection, guide block fixed connection in installation pipe top surface, compress tightly the subassembly and be used for compressing tightly the connecting piece of pipeline tip on the installation pipe.
Further, the pressing assembly comprises an electric push rod I, a mounting rod, a pressing sleeve and a sealing gasket II, wherein the electric push rod I is connected to the connecting frame, the mounting rod is connected with a telescopic rod of the electric push rod I, the pressing sleeve is connected to the end part of the mounting rod, and the sealing gasket II is connected to the bottom surface of the pressing sleeve.
Further, the fixing mechanism further comprises a fixing magnet, and the fixing magnet is fixedly connected to the top surface of the connecting ring, so that the fixing magnet can adsorb the connecting piece at the end part of the pipeline through magnetic force.
Further, the impact mechanism comprises a hydraulic cylinder, a hollow cylinder, a sliding frame, a reset spring, an impact plate, a guide rod, a sliding plate, a power storage spring, a limiting component and an adjusting component, wherein the hydraulic cylinder is connected to the base, the hollow cylinder is connected to the operation table, the oil storage cylinder is fixedly connected with the hollow cylinder, the sliding frame is slidably connected to the hollow cylinder, the sliding frame is fixedly connected with the piston rod, the reset spring is connected with the sliding frame and the hollow cylinder, the impact plate is slidably connected to the hollow cylinder, the guide rod is fixedly connected to the side surface of the impact plate, the sliding plate is slidably connected to the guide rod, the sliding plate is in contact fit with the end part of the telescopic rod of the hydraulic cylinder, the power storage spring is connected with the impact plate, the limiting component is used for limiting the impact plate, and the adjusting component is used for adjusting the impact force of the impact plate to the piston rod.
Further, the limiting assembly comprises a sliding sleeve, a limiting rod and an electric push rod II, wherein the sliding sleeve is symmetrically connected to the outer wall of the hollow cylinder, the limiting rod is slidably connected to the sliding sleeve, the end part of the limiting rod blocks the impact plate so as to limit the impact plate, the electric push rod II is symmetrically connected to the outer wall of the hollow cylinder, and the limiting rod is connected with a telescopic rod of the electric push rod II.
Further, the adjusting component comprises a movable sleeve, a ring magnet, a graduated scale, a movable ring, a control switch II and a locking screw, wherein the movable sleeve is in sliding connection with the hollow cylinder, the ring magnet is connected with the side surface of the movable sleeve, the graduated scale is fixedly connected with the side surface of the hollow cylinder, the movable ring is in sliding connection with the hollow cylinder, the control switch II is installed on the movable ring, and the locking screw is in threaded connection with the movable ring.
Further, the automatic oil filling device further comprises a material blocking frame, a shielding frame and a return pipe, wherein the material blocking frame is fixedly connected to the top surface of the operating platform, the shielding frame is rotationally connected to the material blocking frame, one end of the return pipe is connected to the operating platform, and the other end of the return pipe is communicated with the oil filling tank.
The beneficial effects are that: 1. according to the invention, through the cooperation of the hydraulic sensor, the oil supply assembly and the impact mechanism, hydraulic oil in the oil storage cylinder can be controlled to slowly or quickly enter the test tube to be tested, and the pressure in the pipeline can be controlled to be 1.5 times of the normal working pressure of the test tube, so that the sealing performance of the pipeline under the condition of continuous pressure increase can be tested, the sealing performance of the pipeline under the condition of instantaneous pressure increase can also be tested, and the accuracy of a test result is ensured.
2. The invention can preliminarily fix the connecting pieces at two ends of the pipeline to be tested through the action of the fixed magnet, so that the connecting pieces at two ends of the pipeline are conveniently and manually sleeved on the two mounting pipes respectively, then the electric push rod I can control the pressing sleeve to lower the connecting pieces at two ends of the pipeline, the sealing gasket I and the sealing gasket II can block gaps between the connecting pieces at two ends of the pipeline and the outer walls of the mounting pipes, leakage of hydraulic oil is prevented, and thus the fixing work of the pipeline can be completed rapidly, and the working efficiency is improved.
3. According to the invention, through the matching of the graduated scale and the movable ring, the movable ring can be moved left and right to adjust the position, so that the pressure change of the pipeline in the testing process can be adjusted according to different working environments of the pipeline, the application range is wider, and the testing result is more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an installation schematic view of the oil supply unit of the present invention.
Fig. 3 is a schematic view of the connection pieces at two ends of the pipeline respectively sleeved on the two mounting pipes.
FIG. 4 is a schematic view of the installation of the exhaust assembly of the present invention.
Fig. 5 is a schematic installation view of the fixing mechanism of the present invention.
Fig. 6 is a schematic structural view of the fixing mechanism of the present invention.
Fig. 7 is a schematic view of the installation of the impact mechanism of the present invention.
Fig. 8 is a schematic view showing a specific construction of the impact mechanism of the present invention.
Fig. 9 is a schematic installation view of the adjustment assembly of the present invention.
FIG. 10 is a schematic view of the installation of the material blocking frame, the shielding frame and the return pipe of the present invention.
Reference numerals: the hydraulic control device comprises a base, a 2-operating platform, a 3-controller, a 4-mounting tube, a 5-oil storage tube, a 51-hydraulic sensor, a 6-piston rod, a 7-oil delivery tube, a 8-liquid level sensor, a 9-oil filling tube, a 10-hydraulic oil pump, a 11-oil pumping tube, a 12-oil outlet tube, a 13-electric control valve I, a 14-exhaust tube, a 15-lifting rod, a 16-control switch I, a 17-electric control valve II, a 18-connecting frame, a 19-connecting ring, a 20-sealing gasket I, a 21-guide block, a 22-electric push rod I, a 23-mounting rod, a 24-pressing sleeve, a 25-sealing gasket II, a 26-fixed magnet, a 27-hydraulic cylinder, a 28-hollow tube, a 29-sliding frame, a 30-return spring, a 31-impact plate, a 32-guide rod, a 33-sliding plate, a 34-storage spring, a 35-sliding sleeve, a 36-limiting rod, a 37-electric push rod II, a 38-moving sleeve, a 39-ring magnet, a 40-scale, a 41-moving ring, a 42-control switch II, a 43-blocking screw rod, a 44-blocking frame, a 45-blocking and a 45-47-locking frame.
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.
Examples: the utility model provides a diesel generating set pipeline sealing performance testing machine, as shown in figure 1-figure 10, including base 1 and operation panel 2, the top surface of base 1is the inclined plane that is high about, operation panel 2 fixed connection is in base 1 top surface right side, so that operation panel 2 top surface is also the inclined plane that is high about, still include controller 3, mounting tube 4, oil storage section of thick bamboo 5, hydraulic sensor 51, piston rod 6, oil delivery tube 7, liquid level sensor 8, oil feeding subassembly, exhaust subassembly, fixed establishment and impact mechanism, controller 3 installs in operation panel 2 top surface left front side, two mounting tubes 4 bilateral symmetry set up on operation panel 2, hydraulic sensor 51 installs in oil storage section of thick bamboo 5 leading flank, piston rod 6 sliding connection is in oil storage section of thick bamboo 5 and can slide about, oil delivery tube 7's both ends communicate oil storage section of thick bamboo 5 top surface right side and right side mounting tube 4 right side respectively, the liquid level sensor 8 is installed on the operation table 2, the oil delivery pipe 7 passes through the liquid level sensor 8, the connecting pieces at two ends of the pipeline can be respectively connected to the two installation pipes 4 (as shown in fig. 3), the fixing mechanism is used for the position of the pipeline, then the controller 3 can control the oil supply assembly to deliver the hydraulic oil into the oil storage cylinder 5, after the hydraulic oil is filled in the oil storage cylinder 5, the hydraulic oil can be continuously delivered into the oil storage cylinder 5, at the moment, the hydraulic oil in the oil storage cylinder 5 can be delivered into the pipeline through the oil delivery pipe 7, so that the air in the pipeline can be extruded, the air in the pipeline can be discharged through the exhaust assembly, after the pipeline is filled with the hydraulic oil, the hydraulic oil is continuously delivered into the oil storage cylinder 5 and the pipeline, the pressure in the oil storage cylinder 5 can be continuously increased, the pressure is maintained when the hydraulic sensor 51 detects that the pressure in the oil storage cylinder 5 reaches 1.5 times of the normal working pressure of the pipeline, at this time, the pressure in the pipeline also reaches 1.5 times of the normal working pressure of the pipeline, whether the liquid leakage exists at the joint of the pipeline is observed, the sealing performance of the pipeline under the condition of continuous pressure increase can be tested, then the pipeline is decompressed to the normal working pressure of the pipeline, the piston rod 6 is impacted by the impact mechanism, the piston rod 6 can rapidly move to the right, hydraulic oil in the oil storage cylinder 5 can be extruded, the hydraulic oil in the oil storage cylinder 5 can be rapidly injected into the pipeline, the pressure in the pipeline can rapidly reach 1.5 times of the normal working pressure of the pipeline, and then the sealing performance of the pipeline under the condition of instantaneous pressure increase can be tested by observing whether the liquid leakage exists at the joint of the pipeline, so that the sealing performance of the pipeline under the condition of continuous pressure increase can be tested, the sealing performance of the pipeline under the condition of instantaneous pressure increase can be tested, and the accuracy of the test result is ensured.
The oil supply assembly comprises an oil filling tank 9, a hydraulic oil pump 10, an oil pumping pipe 11, an oil outlet pipe 12 and an electric control valve I13, wherein the oil filling tank 9 and the hydraulic oil pump 10 are connected to the top surface of the base 1, the hydraulic oil pump 10 is located on the right side of the oil filling tank 9, two ends of the oil pumping pipe 11 are respectively communicated with the right side of the oil filling tank 9 and an oil inlet of the hydraulic oil pump 10, two ends of the oil outlet pipe 12 are respectively communicated with the right side of the oil storage cylinder 5 and an oil outlet of the hydraulic oil pump 10, so that the hydraulic oil pump 10 can convey hydraulic oil in the oil filling tank 9 into the oil storage cylinder 5 through the oil pumping pipe 11 and the oil outlet pipe 12, the electric control valve I13 is arranged on the oil outlet pipe 12, and the electric control valve I13 can control on-off of the oil outlet pipe 12.
The exhaust assembly comprises an exhaust pipe 14, a lifting rod 15, a control switch I16 and an electric control valve II 17, wherein the right end of the exhaust pipe 14 is communicated with the left side of a left mounting pipe 4, the lifting rod 15 is slidably connected in the exhaust pipe 14 and can slide up and down, an exhaust hole is formed in the lifting rod 15, so that air in a pipeline can be discharged outwards through the exhaust pipe 14 and the exhaust hole, the control switch I16 is mounted at the end part of the exhaust pipe 14, the lifting rod 15 is made of wood, when hydraulic oil enters the exhaust pipe 14 and contacts with the lifting rod 15, the lifting rod 15 floats upwards and presses the control switch I16, and the electric control valve II 17 is mounted on the exhaust pipe 14.
The fixing mechanism comprises a connecting frame 18, a connecting ring 19, a sealing gasket I20, a guide block 21 and a compacting component, wherein the connecting frame 18 is symmetrically connected to the operating platform 2 left and right, the lower end of the mounting pipe 4 is fixedly connected with the connecting frame 18, the connecting ring 19 is fixedly connected to the outer wall of the mounting pipe 4, the sealing gasket I20 is connected to the top surface of the connecting ring 19, the sealing gasket I20 is connected with the outer wall of the mounting pipe 4, the guide block 21 is fixedly connected to the top surface of the mounting pipe 4, the guide block 21 is in a frustum shape, the diameter of the guide block is gradually reduced from bottom to top, so that a connecting piece at the end part of a pipeline can be sleeved on the mounting pipe 4 more smoothly, and the compacting component is used for compacting the connecting piece at the end part of the pipeline on the mounting pipe 4; the compression assembly comprises an electric push rod I22, a mounting rod 23, a compression sleeve 24 and a sealing gasket II 25, wherein the electric push rod I22 is connected to the connecting frame 18, the mounting rod 23 is connected with a telescopic rod of the electric push rod I22 so as to drive the mounting rod 23 to lift, the compression sleeve 24 is connected to the front end of the mounting rod 23, the compression sleeve 24 is hollow, the sealing gasket II 25 is connected to the bottom surface of the compression sleeve 24, when the compression sleeve 24 moves downwards along with the mounting rod 23, the guide block 21 can be inserted into the compression sleeve 24, and the sealing gasket I20 and the sealing gasket II 25 can be tightly attached to a gap between a connecting piece at the end part of a pipeline and the outer wall of the mounting pipe 4 so as to prevent hydraulic oil from leaking; the fixing mechanism further comprises a fixing magnet 26, the fixing magnet 26 is fixedly connected to the top surface of the connecting ring 19, and when the connecting piece at the end part of the pipeline is sleeved on the mounting pipe 4, the fixing magnet 26 can adsorb the connecting piece at the end part of the pipeline through magnetic force, so that the connecting piece at the end part of the pipeline is prevented from moving randomly.
The impact mechanism comprises a hydraulic cylinder 27, a hollow cylinder 28, a sliding frame 29, a return spring 30, an impact plate 31, a guide rod 32, a sliding plate 33, a power storage spring 34, a limiting component and an adjusting component, wherein the hydraulic cylinder 27 is connected to the base 1, the hollow cylinder 28 is connected to the operating platform 2, the oil storage cylinder 5 is fixedly connected with the right side of the hollow cylinder 28, a piston rod 6 is positioned in the hollow cylinder 28, the sliding frame 29 is slidably connected to the right side of the inside of the hollow cylinder 28 and can slide left and right, the sliding frame 29 is fixedly connected with the piston rod 6, two ends of the two return springs 30 are respectively connected with the sliding frame 29 and the hollow cylinder 28, the impact plate 31 consists of a circular plate and a fixed plate, the left side of the circular plate is fixedly connected with the fixed plate, the circle center of the fixed plate is horizontally aligned with the circular plate, the diameter of the fixed plate is larger than that of the fixed plate 31, the fixed plate of the impact plate 31 is slidably connected to the hollow cylinder 28 and can slide left and right, the guide rod 32 is fixedly connected to the left side of the fixed plate of the impact plate 31, the sliding plate 33 is slidably connected to the guide rod 32 and can slide left and right, the sliding plate 31 and the force storage spring 33 is matched with the two ends of the guide rod 31 to limit the limiting component and the impact plate 31, the force of the impact plate 31 is used for limiting the impact plate 31, and the force of the impact plate 31 is matched with the guide plate 31 and the force is used for limiting and contacted with the impact plate 31 and the force of the guide plate 31; the limiting component comprises a sliding sleeve 35, limiting rods 36 and an electric push rod II 37, wherein the sliding sleeve 35 is vertically symmetrically connected to the outer wall of the hollow cylinder 28, the limiting rods 36 are in sliding connection with the sliding sleeve 35 and can vertically slide, the limiting rods 36 slide to penetrate through the side wall of the hollow cylinder 28, one ends, close to each other, of the upper limiting rods 36 and the lower limiting rods 36 are used for blocking the right side of a fixed plate of the impact plate 31, so that the impact plate 31 cannot move to the right, the impact plate 31 is limited, the electric push rod II 37 is vertically symmetrically connected to the outer wall of the hollow cylinder 28, and the limiting rods 36 are connected with telescopic rods of the electric push rod II 37 to control the limiting rods 36 to lift.
The adjusting assembly comprises a moving sleeve 38, a ring magnet 39, a graduated scale 40, a moving ring 41, a control switch II 42 and a locking screw 43, wherein the moving sleeve 38 is slidably connected to the hollow cylinder 28 and can slide left and right, the ring magnet 39 is connected to the right side of the moving sleeve 38, the sliding plate 33 is made of iron, the ring magnet 39 can absorb the sliding plate 33 through magnetic force, so that the ring magnet 39 can synchronously move left and right along with the sliding plate 33, the graduated scale 40 is fixedly connected to the front side of the hollow cylinder 28, the moving ring 41 is slidably connected to the hollow cylinder 28 and can slide left and right, the control switch II 42 is arranged on the front side of the moving ring 41, the ring magnet 39 can press the control switch II 42 when the ring magnet 39 moves right to be in contact with the moving ring 41, the locking screw 43 is in threaded connection with the upper portion of the moving ring 41, the locking screw 43 can be controlled to move up and down through forward and backward screwing, and locking the locking screw 43 can lock the moving ring 41 when the lower end of the locking screw 43 moves down to contact with the outer wall of the hollow cylinder 28.
Firstly, connecting pieces at two ends of a pipeline to be tested are respectively sleeved on two mounting pipes 4, a guide block 21 can guide the connecting pieces at two ends of the pipeline, a fixed magnet 26 can absorb the connecting pieces at two ends of the pipeline to prevent the connecting pieces at two ends of the pipeline from moving, then an electric push rod I22 is controlled by a controller 3 to drive a mounting rod 23 to move downwards, a pressing sleeve 24 can be driven to move downwards to press the top surfaces of the connecting pieces at two ends of the pipeline, so that the positions of the pipeline can be further fixed, the inside of the mounting pipe 4 is communicated with the inside of the pipeline, a sealing gasket II 25 and a sealing gasket I20 can both block gaps between the connecting pieces at two ends of the pipeline and the outer wall of the mounting pipe 4, preventing hydraulic oil from leaking; Then the controller 3 controls the hydraulic oil pump 10 to start working, the hydraulic oil pump 10 can pump the hydraulic oil in the oil filling tank 9 through the oil pumping pipe 11, the hydraulic oil pump 10 can convey the hydraulic oil into the oil storage cylinder 5 through the oil outlet pipe 12, when the oil storage cylinder 5 is filled with the hydraulic oil, the hydraulic oil pump 10 continues to convey the hydraulic oil into the oil storage cylinder 5, the hydraulic oil in the oil storage cylinder 5 can be conveyed into a pipeline through the oil conveying pipe 7, air in the pipeline can be discharged outwards through the exhaust pipe 14 and the exhaust hole on the lifting rod 15, when the pipeline is filled with the hydraulic oil, the hydraulic oil in the oil storage cylinder 5 can be continuously conveyed into the pipeline through the oil conveying pipe 7, at the moment, the hydraulic oil in the pipeline can flow into the exhaust pipe 14, When hydraulic oil contacts with the lower end of the lifting rod 15, the lifting rod 15 floats on the exhaust pipe 14, when the lifting rod 15 contacts with the control switch I16, the control switch I16 sends out a signal, the controller 3 receives the signal and then controls the electric control valve II 17 to be closed, so that the left end of a pipeline to be tested can be sealed, then the hydraulic oil pump 10 continues to convey the hydraulic oil into the oil storage cylinder 5, the pressure in the oil storage cylinder 5 and the pipeline can be synchronously increased, when the hydraulic sensor 51 detects that the pressure in the oil storage cylinder 5 reaches 1.5 times of the normal working pressure of the pipeline, the hydraulic sensor 51 sends out a signal, the controller 3 receives the signal and then controls the hydraulic oil pump 10 to stop working, The controller 3 can control the electric control valve I13 to be closed so as to seal the right end of the pipeline, so that the interior of the pipeline to be tested can be pressurized, after 30 minutes, whether liquid leakage exists at the joint of the pipeline can be observed manually, and whether the sealing performance of the pipeline is qualified under the condition that the pressure is continuously increased can be tested; After the test is finished, the controller 3 can control the electric control valve I13 to be opened, the hydraulic oil pump 10 can be controlled to work reversely, the hydraulic oil pump 10 can pump out the hydraulic oil in the oil storage cylinder 5, the pressure in the oil storage cylinder 5 and the pipeline gradually decreases, when the hydraulic sensor 51 detects that the pressure in the oil storage cylinder 5 reaches the normal working pressure of the pipeline, the hydraulic sensor 51 sends out a signal, the controller 3 can control the hydraulic oil pump 10 to stop working after receiving the signal, and the controller 3 can control the electric control valve I13 to be closed, then the telescopic rod of the hydraulic cylinder 27 can be controlled to extend through the controller 3, so that the sliding plate 33 can be pushed to move rightwards, the impact plate 31 is blocked by the limiting rod 36, So the impact plate 31 cannot move to the right, the power accumulating spring 34 compresses the power accumulating force, the annular magnet 39 and the movable sleeve 38 can synchronously move to the right along with the sliding plate 33 through magnetic force, when the annular magnet 39 is contacted with the control switch II 42, the control switch II 42 can send out a signal, the controller 3 can control the electric push rod II 37 to drive the limit rods 36 on the upper side and the lower side to move to the side far away from each other after receiving the signal, the limit rods 36 are separated from the impact plate 31, the power accumulating spring 34 can instantly restore to the original state at the moment, so that the impact plate 31 can be driven to move to the right rapidly, when the impact plate 31 is contacted with the left end of the piston rod 6, the impact plate 31 can push the piston rod 6 to move to the right rapidly, The piston rod 6 can drive the sliding frame 29 to move right, the reset spring 30 is compressed, the sliding frame 29 can support and guide the piston rod 6, the piston rod 6 is prevented from being deformed and broken due to the impact of the impact plate 31, meanwhile, the piston rod 6 can rapidly squeeze hydraulic oil in the oil storage cylinder 5, the hydraulic oil in the oil storage cylinder 5 can rapidly enter a pipeline, the pressure in the pipeline can rapidly rise to 1.5 times of the normal working pressure of the pipeline, whether liquid leaks at the joint of the pipeline can be observed manually, and therefore whether the sealing performance of the pipeline is qualified under the condition that the pressure is instantaneously increased can be tested; After the test is finished, the controller 3 can control the telescopic rod of the hydraulic cylinder 27 to be shortened, so that the telescopic rod of the hydraulic cylinder 27 is separated from the sliding plate 33, the return spring 30 can restore to the original state, the sliding frame 29 and the piston rod 6 are driven to move and return to the left, the piston rod 6 can push the impact plate 31 and the sliding plate 33 to move and return to the left, and the hydraulic oil in the pipeline can be pumped back into the oil storage cylinder 5, so that the pressure in the pipeline is reduced to the pressure for normal operation of the pipeline; Then the controller 3 controls the electric control valve II 17 to be opened, the controller 3 can control the hydraulic oil pump 10 to work reversely, the hydraulic oil pump 10 can pump the hydraulic oil in the oil storage cylinder 5 back into the oil storage cylinder 9, the hydraulic oil in the pipeline can return into the oil storage cylinder 5 through the oil delivery pipe 7, the outside air can enter the tested pipeline through the exhaust hole on the exhaust pipe 14 and the lifting rod 15, when the liquid level sensor 8 detects that the upper side of the inside of the oil delivery pipe 7 is not provided with the hydraulic oil, the liquid level sensor 8 can send out a signal, the controller 3 can control the hydraulic oil pump 10 to stop working after receiving the signal, thus only the hydraulic oil is needed to be pumped out of the pipeline, the hydraulic oil pump 10 is not needed to pump the hydraulic oil into the oil storage cylinder 9 completely, The oil pumping time of the hydraulic oil pump 10 is saved, the oil injection time of the next pipeline to be tested is also saved, the working efficiency is improved, and then the operation is repeated, so that the tightness test of the next pipeline can be performed manually; Because the pressure of the pipeline in different working environments is inconsistent, the pressure change of the pipeline in the testing process is required to be regulated according to the different working environments of the pipeline, when the normal working pressure of the pipeline is larger, the locking screw 43 can be unscrewed, then the movable ring 41 is moved to the right to a proper position according to the scale on the graduated scale 40, then the locking screw 43 is screwed, thus the time for separating the limiting rod 36 from the impact plate 31 can be controlled, namely the power storage of the power storage spring 34 is regulated, the impact force of the impact plate 31 to the piston rod 6 can be regulated, the maximum value of the pressure instant increase in the pipeline testing process can be regulated, and similarly, when the normal operating pressure of the pipe is smaller, the moving ring 41 can be moved to the left to a proper position according to the scale on the scale 40.
The device also comprises a material blocking frame 44, a shielding frame 45 and a return pipe 47, wherein the material blocking frame 44 is fixedly connected to the peripheral edge of the top surface of the operating platform 2, the shielding frame 45 is rotatably connected to the material blocking frame 44 and can turn back and forth, the upper end of the return pipe 47 is connected to the right front side of the top surface of the operating platform 2, and the lower end of the return pipe 47 is communicated with the oil filling tank 9; when the pipeline is being subjected to sealing performance test, the shielding frame 45 can be turned forwards to the top surface of the material blocking frame 44, so that the pipeline under test can be covered, if the pipeline bursts or hydraulic oil leaks, the material blocking frame 44 and the shielding frame 45 can play a role in protection, pipeline fragments and hydraulic oil are prevented from splashing, the leaked hydraulic oil can fall to the top surface of the operating platform 2, and the leaked hydraulic oil can flow to the right to the position of the return pipe 47 and flows back into the oil filling tank 9 through the return pipe 47 due to the inclined surface of the top surface of the operating platform 2, so that hydraulic oil is prevented from being wasted.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a diesel generating set pipeline sealing performance test machine, includes base (1) and operation panel (2), its characterized in that still includes oil storage section of thick bamboo (5), oil feeding subassembly, exhaust subassembly, fixed establishment and impact mechanism, controller (3) install in operation panel (2) top surface, two install tubes (4) symmetry set up in on operation panel (2), hydraulic sensor (51) install on oil storage section of thick bamboo (5), piston rod (6) sliding connection in oil storage section of thick bamboo (5), oil delivery pipe (7) intercommunication oil storage section of thick bamboo (5) and one of them install tube (4), level sensor (8) install in on operation panel (2), The connecting pieces at two ends of the pipeline can be respectively sleeved on the two mounting pipes (4), the fixing mechanism is used for the position of the pipeline, then the controller (3) can control the oil supply assembly to convey hydraulic oil into the oil storage barrel (5), the hydraulic oil in the oil storage barrel (5) can be conveyed into the pipeline through the oil conveying pipe (7), the exhaust assembly is used for exhausting air in the pipeline, when the hydraulic sensor (51) detects that the pressure in the oil storage barrel (5) reaches 1.5 times of the normal working pressure of the pipeline, the pressure is maintained, whether liquid leakage exists at the joint of the pipeline is observed, the sealing performance of the pipeline under the condition of continuous pressure increase can be tested, Then the pipeline is decompressed to the normal working pressure, the impact mechanism is used for impacting the piston rod (6) so as to quickly inject the hydraulic oil in the oil storage cylinder (5) into the pipeline, so that the pressure in the pipeline can quickly reach 1.5 times of the normal working pressure, and the sealing performance of the pipeline under the condition of the instant pressure increase can be tested by observing whether the liquid leakage exists at the connecting part of the pipeline; the exhaust assembly comprises an exhaust pipe (14), a lifting rod (15), a control switch I (16) and an electric control valve II (17), wherein the exhaust pipe (14) is connected to the other mounting pipe (4), the lifting rod (15) is slidably connected to the exhaust pipe (14), an exhaust hole is formed in the lifting rod (15) so that air in a pipeline can be exhausted outwards through the exhaust pipe (14) and the exhaust hole, the control switch I (16) is mounted at the end part of the exhaust pipe (14), and the electric control valve II (17) is mounted on the exhaust pipe (14); The fixing mechanism comprises a connecting frame (18), a connecting ring (19), a sealing gasket I (20), a guide block (21) and a pressing assembly, wherein the connecting frame (18) is symmetrically connected to the operating platform (2), the mounting pipe (4) is fixedly connected with the connecting frame (18), the connecting ring (19) is fixedly connected to the outer wall of the mounting pipe (4), the sealing gasket I (20) is connected to the top surface of the connecting ring (19), the sealing gasket I (20) is connected with the outer wall of the mounting pipe (4), the guide block (21) is fixedly connected to the top surface of the mounting pipe (4), and the pressing assembly is used for pressing a connecting piece at the end part of a pipeline onto the mounting pipe (4); the impact mechanism comprises a hydraulic cylinder (27), a hollow cylinder (28), a sliding frame (29), a return spring (30), an impact plate (31), a guide rod (32), a sliding plate (33), a power storage spring (34), a limiting component and an adjusting component, wherein the hydraulic cylinder (27) is connected to the base (1), the hollow cylinder (28) is connected to the operating platform (2), the oil storage cylinder (5) is fixedly connected with the hollow cylinder (28), the sliding frame (29) is slidably connected in the hollow cylinder (28), the sliding frame (29) is fixedly connected with the piston rod (6), Reset spring (30) connect carriage (29) with hollow section of thick bamboo (28), impact plate (31) sliding connection in hollow section of thick bamboo (28), guide bar (32) fixed connection in impact plate (31) side, sliding plate (33) sliding connection in on guide bar (32), sliding plate (33) with telescopic link tip contact cooperation of pneumatic cylinder (27), power spring (34) are connected impact plate (31) with sliding plate (33), spacing subassembly is used for right impact plate (31) are spacing, adjusting part is used for adjusting impact plate (31) are right the impact dynamics of piston rod (6).
2. The diesel generator set pipeline sealing performance testing machine according to claim 1, wherein the oil supply assembly comprises an oil filling tank (9), a hydraulic oil pump (10), an oil pumping pipe (11), an oil outlet pipe (12) and an electric control valve I (13), the oil filling tank (9) and the hydraulic oil pump (10) are both connected to the top surface of the base (1), the oil pumping pipe (11) is communicated with oil inlets of the oil filling tank (9) and the hydraulic oil pump (10), the oil outlet pipe (12) is communicated with oil outlets of the oil storage cylinder (5) and the hydraulic oil pump (10), so that the hydraulic oil pump (10) can convey hydraulic oil in the oil filling tank (9) into the oil storage cylinder (5) through the oil pumping pipe (11) and the oil outlet pipe (12), and the electric control valve I (13) is installed on the oil outlet pipe (12).
3. The diesel generator set pipeline sealing performance testing machine according to claim 1, wherein the pressing assembly comprises an electric push rod I (22), a mounting rod (23), a pressing sleeve (24) and a sealing gasket II (25), the electric push rod I (22) is connected to the connecting frame (18), the mounting rod (23) is connected with a telescopic rod of the electric push rod I (22), the pressing sleeve (24) is connected to the end part of the mounting rod (23), and the sealing gasket II (25) is connected to the bottom surface of the pressing sleeve (24).
4. The diesel-electric set pipe sealing performance testing machine according to claim 1, wherein the fixing mechanism further comprises a fixing magnet (26), the fixing magnet (26) is fixedly connected to the top surface of the connecting ring (19), so that the fixing magnet (26) can adsorb the connecting piece at the end of the pipe through magnetic force.
5. The diesel generator set pipeline sealing performance testing machine according to claim 1, wherein the limiting assembly comprises a sliding sleeve (35), a limiting rod (36) and an electric push rod II (37), the sliding sleeve (35) is symmetrically connected to the outer wall of the hollow cylinder (28), the limiting rod (36) is slidably connected to the sliding sleeve (35), the end portion of the limiting rod (36) is used for blocking the impact plate (31) so as to limit the impact plate (31), the electric push rod II (37) is symmetrically connected to the outer wall of the hollow cylinder (28), and the limiting rod (36) is connected with a telescopic rod of the electric push rod II (37).
6. The diesel generator set pipeline sealing performance testing machine according to claim 1, wherein the adjusting assembly comprises a moving sleeve (38), a ring magnet (39), a graduated scale (40), a moving ring (41), a control switch II (42) and a locking screw (43), the moving sleeve (38) is slidably connected to the hollow cylinder (28), the ring magnet (39) is connected to the side surface of the moving sleeve (38), the graduated scale (40) is fixedly connected to the side surface of the hollow cylinder (28), the moving ring (41) is slidably connected to the hollow cylinder (28), the control switch II (42) is mounted on the moving ring (41), and the locking screw (43) is in threaded connection with the moving ring (41).
7. The diesel generator set pipeline sealing performance testing machine according to claim 2, further comprising a material blocking frame (44), a shielding frame (45) and a return pipe (47), wherein the material blocking frame (44) is fixedly connected to the top surface of the operating platform (2), the shielding frame (45) is rotatably connected to the material blocking frame (44), one end of the return pipe (47) is connected to the operating platform (2), and the other end of the return pipe (47) is communicated with the oil filling tank (9).
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| CN118329126B (en) * | 2024-06-12 | 2024-08-13 | 山东康姆勒发电机有限公司 | Diesel generator performance test equipment under special environment |
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| CN116124602A (en) * | 2023-03-31 | 2023-05-16 | 叶先兰 | Concrete quality detection system and detection method for water conservancy construction |
| CN116429347A (en) * | 2023-04-23 | 2023-07-14 | 菏泽三垒塑业股份有限公司 | Air tightness testing machine for steel-plastic bent pipe |
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| GB9711432D0 (en) * | 1997-06-04 | 1997-07-30 | British Gas Plc | Pipe leakage detection |
| FR2806160B1 (en) * | 2000-03-10 | 2002-06-14 | Ace Engineering | TEST BENCH FOR INTERNAL COMBUSTION ENGINE CYLINDER |
| GB2441788B (en) * | 2006-09-15 | 2011-11-09 | Studor Sa | Method and equipment for detecting sealing deficiencies in drainage and vent systems for buildings |
| US20090276098A1 (en) * | 2008-05-01 | 2009-11-05 | Bodie Mark O | Method for controlling an MR-fluid hydraulic mount connected to a vehicle engine |
| CN208488228U (en) * | 2018-06-27 | 2019-02-12 | 日丰企业（佛山）有限公司 | Pressure testing device for seal for pipe joints test |
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| CN116124602A (en) * | 2023-03-31 | 2023-05-16 | 叶先兰 | Concrete quality detection system and detection method for water conservancy construction |
| CN116429347A (en) * | 2023-04-23 | 2023-07-14 | 菏泽三垒塑业股份有限公司 | Air tightness testing machine for steel-plastic bent pipe |
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