CN111766191A - Environment-friendly material cylinder penetration testing machine and working method thereof - Google Patents
Environment-friendly material cylinder penetration testing machine and working method thereof Download PDFInfo
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- CN111766191A CN111766191A CN202010797941.8A CN202010797941A CN111766191A CN 111766191 A CN111766191 A CN 111766191A CN 202010797941 A CN202010797941 A CN 202010797941A CN 111766191 A CN111766191 A CN 111766191A
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- material cylinder
- end clamping
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- 230000035515 penetration Effects 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 title claims description 81
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 230000000149 penetrating effect Effects 0.000 claims abstract description 45
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 93
- 230000001360 synchronised effect Effects 0.000 claims description 28
- 230000007613 environmental effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 10
- 230000002572 peristaltic effect Effects 0.000 claims description 8
- 239000012466 permeate Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000007373 indentation Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000007723 transport mechanism 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Abstract
The invention relates to the technical field of penetration test equipment, and particularly discloses a constant-pressure quantitative supply method and a constant-pressure quantitative supply device for penetrating fluid. Comprises a liquid storage tank, a liquid supply pump, a metering tank, a liquid supply tank, a spray rod and a nozzle; the measuring tank is internally provided with the liquid level meter, a certain amount of penetrating fluid is measured in the measuring tank by the liquid level meter, the measured penetrating fluid is transferred into the conveying tank, the penetrating fluid is conveyed into the spray rod by compressed air after pressure stabilization treatment and is sprayed out by the nozzle, and the pressure of the penetrating fluid in the spray rod is also kept stable due to the stable air pressure of the compressed air, and the spraying effect from the nozzle is uniform and continuous, so that the invention can realize accurate control on flow and pressure.
Description
Technical Field
The invention relates to the technical field of penetration test equipment, in particular to an environment-friendly material cylinder penetration testing machine and a working method thereof.
Background
An environmental protection material charging barrel is made of ceramic fiber materials, permeability of the charging barrel needs to be checked after processing is finished, permeation liquid is injected into the barrel, then the purpose that the permeation liquid is evenly paved on the inner wall of the barrel is achieved by rotating the barrel, and the permeation of the permeation liquid is finished under the action of centrifugal force and negative pressure outside the barrel.
However, ceramic fiber is a brittle material, when the ceramic fiber is clamped under high pressure, the cylinder body is easy to have indentation, and the length of the environment-friendly material cylinder is usually not equal to 1-4 meters, even 6 meters, if the environment-friendly material cylinder is rotated and is driven by a single side, the torque inside the cylinder body is easy to be too large, and the quality problem of the environment-friendly material cylinder is easy to be caused. In addition, generally, penetrating fluid is directly injected by a pump, in the permeability test, the penetrating fluid needs to be uniformly sprayed on the inner wall of the pipe barrel, so that a liquid supply system needs to ensure that the pressure in a liquid supply pipeline is constant, the required pressure is higher because the penetrating fluid is sprayed out from a nozzle on a spray pipe, and the flow and the lift of the pump are variables which are mutually restricted, so that the flow can be controlled to be stable under the condition of ensuring high pressure.
Disclosure of Invention
The invention solves the problems that: in the prior art, the problems of cylinder indentation and uneven spraying of penetrating fluid are easily caused due to the lack of an effective test means for a longer environment-friendly material cylinder, and the penetration test machine for the environment-friendly material cylinder and the working method thereof are provided.
The invention is realized by the following technical scheme that the penetration testing machine for the environment-friendly material cylinder comprises a rack, a blind pipe end clamping and rotating mechanism, a flange end clamping and rotating mechanism, a synchronous rotating mechanism, a first servo motor, a vacuum pump, a spraying mechanism and a penetrating fluid conveying mechanism;
the blind pipe end clamping and rotating mechanism is arranged at the left end of the rack, plays a role in fixing the blind pipe end of the environment-friendly material cylinder and can rotate around a shaft on the rack;
the flange end clamping and rotating mechanism is arranged at the right end of the rack, is coaxial with the blind pipe end clamping and rotating mechanism, plays a role in fixing the flange end of the environment-friendly material cylinder, and can rotate around a shaft on the rack;
the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism are in power connection with the transmission rod through a synchronous belt and a synchronous pulley, so that the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism rotate at the same angular speed;
the first servo motor is in power connection with the flange end clamping and rotating mechanism through a synchronous belt and a synchronous belt wheel, and provides power for the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism;
the machine frame is provided with a sealed cavity, the upper end of the cavity is provided with a sealing cover which is driven by an air cylinder to open and close, the side surface of the cavity is connected with a vacuum pump through a pipeline, and the vacuum pump creates a negative pressure environment in the cavity when the penetration testing machine runs;
the spraying mechanism comprises a spraying rod, the spraying rod penetrates through the center of the flange end clamping rotating mechanism and extends into the environment-friendly material cylinder, the spraying rod is in sliding fit with the flange end clamping rotating mechanism and can slide from a blind pipe end in the environment-friendly material cylinder to the flange end, and a nozzle is installed at the tail end of the spraying rod extending into the environment-friendly material cylinder;
the penetrating fluid conveying mechanism is connected with the other end of the spray rod through a pipeline and provides penetrating fluid with stable pressure and flow for the spray mechanism.
Furthermore, the blind pipe end clamping and rotating mechanism comprises a driven shaft, the driven shaft and the rack are in sealed rotating fit, the driven shaft extends into a rotary table fixedly connected with one end of a cavity of the rack, the rotary table is fixedly connected with a first support frame with an opening through three first guide rods, the opening popularity of the first support frame is larger than the diameter of the environment-friendly material cylinder, two fixed support pads are arranged on the inner side of the first support frame, a sliding support capable of sliding back and forth is arranged on each first guide rod, a movable support pad capable of moving in the radial direction is arranged on the side face of the sliding support frame, and the fixed support pads and the movable support pads mutually form 120 degrees and play roles of radially fixing and supporting the environment-friendly material cylinder.
Further, flange end clamping slewing mechanism includes the main shaft, be sealed normal running fit between main shaft and the frame, the main shaft stretches into the one end fixedly connected with transition dish of the cavity of frame, fixed mounting has the positioning disk on the transition dish, be equipped with circular shape constant head tank on the positioning disk, the constant head tank diameter is unanimous with the diameter of environmental protection material cylinder, the transition dish still takes open-ended second support frame through three second guide arm fixedly connected with, second support frame opening width is greater than the diameter of environmental protection material cylinder, be equipped with gliding clamp plate of making a round trip on the second guide arm, the clamp plate slidable is to the positioning disk side, compresses tightly the flange of environmental protection material cylinder in the constant head tank, realizes fixedly to the flange end of environmental protection material cylinder.
Furthermore, a photoelectric switch is arranged on the rack, a photoelectric switch baffle is arranged at a corresponding position on the main shaft, and the position of the photoelectric switch baffle on the main shaft is opposite to the opening direction of the second support frame.
Furthermore, the other end of the spray rod is fixed on a sliding plate, the sliding plate slides on a sliding rail on a support, a synchronous belt is connected to the bottom of the sliding rail, and a synchronous belt wheel driven by a second servo is arranged on the support.
Further, the penetrating fluid conveying mechanism comprises a liquid storage tank, a peristaltic pump, a metering tank and a liquid supply tank;
a stirrer and a heater are arranged in the liquid storage tank, a manual ball valve is arranged at the bottom of the liquid storage tank, and penetrating fluid is conveyed to the metering tank through a pipeline by a peristaltic pump;
a liquid level meter is arranged on the metering tank, and is provided with a high level and a low level; the metering tank is connected with the liquid supply tank through a pipeline, and a first pneumatic angle seat valve controlled to be opened and closed by a first electromagnetic valve is arranged on the pipeline;
an emptying valve communicated with the atmosphere is arranged on the liquid supply tank, the liquid supply tank is connected with an air source through a compressed air pipeline, and an air source second connecting piece, a pressure reducing valve and a second electromagnetic valve are arranged on the compressed air pipeline;
the bottom of the liquid supply tank is connected with the spray rod through a PEFT transparent hose, and a second angle seat valve controlled to be opened and closed by a third electromagnetic valve is arranged on the pipeline.
In another aspect of the invention, a working method of an environmental-friendly material barrel penetration tester is provided, which comprises the following steps:
s1, mounting the environment-friendly material barrel: before installation, the environment-friendly material cylinder is weighed, the sealing cover is opened, the movable supporting pad is lifted, the sliding supporting frame slides to the leftmost side, the environment-friendly material cylinder is vertically placed into the opening of the first supporting frame and the opening of the second supporting frame, the pressing plate presses the flange of the environment-friendly material cylinder in the positioning groove, the sliding supporting frame moves beside the first supporting frame, the movable supporting pad is put down, and the fixed supporting pad and the movable supporting pad are enabled to mutually form an angle of 120 degrees to play a role in radially fixing and supporting the environment-friendly material cylinder;
s2, permeate ready: opening the stirrer in advance to uniformly stir the penetrating fluid, and taking a fixed amount of the penetrating fluid by utilizing the metering tank and the liquid level metering and conveying the penetrating fluid to the liquid supply tank for later use;
s3, starting a vacuum pump: closing the sealing cover, and starting the vacuum pump to change the cavity into a negative pressure environment;
s4, rotation of the main shaft: the first servo motor is started, and the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism synchronously rotate through the synchronous rotating mechanism;
s5, spraying penetrating fluid and reciprocating a spray rod: opening a second electromagnetic valve to enable compressed air to be communicated with the liquid supply tank, opening a second starting angle seat valve to start spraying, and simultaneously starting a second servo motor to drive the spraying rod to reciprocate;
s6, finishing spraying and resetting the spray rod;
s7, main shaft orientation stop: the main shaft stops rotating, and when the main shaft stops rotating, the openings of the first support frame and the second support frame are upward under the control of the proximity switch and the proximity switch baffle;
s8, stopping the vacuum pump;
and S9, taking down and weighing, and comparing the weight difference before and after permeation to judge the permeation performance of the environment-friendly material cylinder.
The invention has the beneficial effects that:
1. according to the invention, two ends of the environment-friendly material cylinder are respectively clamped on the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism, and the synchronous rotating mechanism is arranged, so that the blind pipe end clamping and rotating mechanism and the flange end clamping and rotating mechanism can synchronously rotate, the torque in the environment-friendly material cylinder is reduced, and the quality of the cylinder barrel is ensured.
2. The first supporting plate and the second supporting plate are provided with openings, when the rotating mechanism is controlled to stop by the photoelectric switch, the openings are enabled to be upward, the width of the openings is larger than the diameter of the environment-friendly material cylinder, the environment-friendly material cylinder can be conveniently and vertically assembled and disassembled, the pipeline and the clamping mechanism do not have relative displacement and can not generate scratches, and the supporting pad is in non-rigid contact with the pipeline and can not generate indentations.
3. The spray rod of the invention makes axial reciprocating motion, the environment-friendly material cylinder makes rotary motion, and the spraying of penetrating fluid can be more uniform.
4. The invention adopts the measuring tank to measure quantitative penetrating fluid in advance, can ensure the total amount of the sprayed penetrating fluid, then transfers the measured penetrating fluid into the conveying tank, conveys the penetrating fluid into the spray rod through the compressed air after pressure stabilization treatment, and sprays the penetrating fluid out of the nozzle.
Drawings
FIG. 1 is a schematic structural view of an environmental protection material cartridge penetration tester according to the present invention;
FIG. 2 is a partial enlarged view of the blind end clamping and rotating mechanism according to the present invention;
FIG. 3 is an enlarged view of a portion of the flange end clamping rotating mechanism of the present invention;
FIG. 4 is an enlarged view of a portion of the spray mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 taken along line A;
FIG. 6 is a schematic structural diagram of a first support frame according to the present invention;
FIG. 7 is a schematic structural view of the sliding support according to the present invention;
FIG. 8 is a schematic structural view of a second support frame according to the present invention;
FIG. 9 is a schematic diagram of the structure of a permeate transport mechanism according to the present invention;
FIG. 10 is a flow chart of the operation of the environmental-friendly material cartridge penetration tester.
In the figure:
1, a frame; 101 a cavity; 102 sealing the cover; 103 air cylinders;
2, clamping and rotating the blind pipe end; 201 a driven shaft; 202 a turntable; 203 a first guide bar; 204 a first support frame; 205 fixing a support pad; 206 a sliding bracket; 207 a movable support pad;
3 clamping and rotating the mechanism at the flange end; 301 a main shaft; 302 a transition disk; 303, positioning a disc; 304 a second guide bar; 305 a second support frame; 306 a platen; 307 a photoelectric switch; 308 a photoelectric switch baffle;
4, a synchronous rotating mechanism; 401 driving rod;
5 a first servo motor;
6, a vacuum pump;
7, a spraying mechanism; 701 spray bars; a nozzle 702; 703 a slide plate; 704 a slide rail; 705 a support;
8 a permeate transport mechanism; 801 liquid storage tank; an 802 peristaltic pump; 803 a metering tank; 804 a liquid supply tank; 805 a stirrer; 806 a heater; 807 a manual ball valve; 808 a liquid level meter; 809 a first electromagnetic valve; 810 a first pneumatic angle seat valve; 811 an evacuation valve; 812 gas supply bipass; 813 pressure reducing valves; 814 a second solenoid valve; 815 a third solenoid valve; 816 second angle seat valve;
9 cylinder made of environment-friendly materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-10, an environmental-friendly material cylinder penetration testing machine comprises a frame 1, a blind pipe end clamping and rotating mechanism 2, a flange end clamping and rotating mechanism 3, a synchronous rotating mechanism 4, a first servo motor 5, a vacuum pump 6, a spraying mechanism 7 and a penetrating fluid conveying mechanism 8;
the blind pipe end clamping and rotating mechanism 2 is arranged at the left end of the rack 1, plays a role in fixing the blind pipe end of the environment-friendly material cylinder 9 and can rotate around a shaft on the rack 1;
the flange end clamping and rotating mechanism 3 is arranged at the right end of the frame 1, is coaxial with the blind pipe end clamping and rotating mechanism 2, has a fixing effect on the flange end of the environment-friendly material cylinder 9, and can rotate around a shaft on the frame 1;
the synchronous rotating mechanism 4 comprises a transmission rod 401 arranged at the bottom of the rack 1, and the blind pipe end clamping rotating mechanism 2 and the flange end clamping rotating mechanism 3 are both in power connection with the transmission rod 401 through a synchronous belt and a synchronous pulley, so that the blind pipe end clamping rotating mechanism 2 and the flange end clamping rotating mechanism 3 rotate at the same angular speed;
the first servo motor 5 is in power connection with the flange end clamping and rotating mechanism 3 through a synchronous belt and a synchronous belt wheel, and provides power for the blind pipe end clamping and rotating mechanism 2 and the flange end clamping and rotating mechanism 3;
the machine frame 1 is provided with a sealed cavity 101, the upper end of the cavity 101 is provided with a sealing cover 102 which is driven by an air cylinder 103 to open and close, the side surface of the cavity 101 is connected with a vacuum pump 6 through a pipeline, and when the vacuum pump 6 runs in the penetration testing machine, a negative pressure environment is manufactured in the cavity 101;
the spraying mechanism 7 comprises a spraying rod 701, the spraying rod 701 penetrates through the center of the flange end clamping rotating mechanism 3 and extends into the environment-friendly material cylinder 9, the spraying rod 701 is in sliding fit with the flange end clamping rotating mechanism 3 and can slide from a blind pipe end in the environment-friendly material cylinder 9 to a flange end, and a nozzle 702 is installed at the tail end of the spraying rod 701 extending into the environment-friendly material cylinder 9;
the penetrating fluid conveying mechanism 8 is connected with the other end of the spray rod 701 through a pipeline to provide penetrating fluid with stable pressure and flow for the spray mechanism 7.
In practical application, the blind pipe end clamping and rotating mechanism 2 comprises a driven shaft 201, the driven shaft 201 is in sealed rotation fit with the frame 1, a turntable 202 is fixedly connected to one end, extending into the cavity 101 of the frame 1, of the driven shaft 201, the turntable 202 is fixedly connected with a first support frame 204 with an opening through three first guide rods 203, the opening degree of the first support frame 204 is larger than the diameter of the environment-friendly material cylinder 9, two fixed support pads 205 are arranged on the inner side of the first support frame 204, a sliding support 206 capable of sliding back and forth is arranged on the first guide rod 203, a movable support pad 207 capable of moving in the radial direction is arranged on the side face of the sliding support 206, and the fixed support pad 205 and the movable support pad 207 mutually form 120 degrees to play a role in radial fixing and supporting on the environment-friendly material cylinder 9.
In practical application, flange end clamping slewing mechanism 3 includes main shaft 301, be sealed normal running fit between main shaft 301 and the frame 1, main shaft 301 stretches into the one end fixedly connected with transition dish 302 of the cavity 101 of frame 1, fixed mounting has positioning disk 303 on the transition dish 302, be equipped with circular shape constant head tank on the positioning disk 303, the constant head tank diameter is unanimous with the diameter of environmental protection material feed cylinder 9, transition dish 302 still takes open-ended second support frame 305 through three second guide arm 304 fixedly connected with, second support frame 305 opening width is greater than the diameter of environmental protection material feed cylinder 9, be equipped with gliding clamp plate 306 that makes a round trip on the second guide arm 304, clamp plate 306 slidable compresses tightly the flange of environmental protection material feed cylinder 9 in the constant head tank to the flange end realization of environmental protection material feed cylinder 9 is fixed to positioning disk 303 side.
In practical application, the frame 1 is provided with a photoelectric switch 307, a photoelectric switch baffle 308 is installed at a corresponding position on the main shaft 301, and the position of the photoelectric switch baffle 308 on the main shaft 301 is opposite to the opening direction of the second support frame 305.
In practical application, the other end of the spray rod 701 is fixed on a sliding plate 703, the sliding plate 703 slides on a sliding rail 704 on a support 705, a synchronous belt is connected to the bottom of the sliding rail 704, and a synchronous belt wheel driven by a second servo motor is arranged on the support 705.
In practical applications, the permeate delivery mechanism 8 comprises a liquid storage tank 801, a peristaltic pump 802, a metering tank 803, a liquid supply tank 804;
a stirrer 805 and a heater 806 are arranged in the liquid storage tank 801, the stirrer 805 can fully mix penetrating fluid, the heater 806 can ensure that the penetrating fluid is not solidified, the equipment can normally operate in winter, a manual ball valve 807 is arranged at the bottom of the liquid storage tank 801, the penetrating fluid is conveyed to the metering tank 803 through a pipeline by a peristaltic pump 802, and the peristaltic pump 802 has the advantages of high precision and stable flow;
a liquid level meter 808 is arranged on the metering tank 803, and the liquid level meter 808 is set to have a high position and a low position; the metering tank 803 is connected with the liquid supply tank 804 through a pipeline, a first pneumatic angle seat valve 810 controlled to be opened and closed by a first electromagnetic valve 809 is arranged on the pipeline, and the metering tank 803 can quantitatively measure the penetrating fluid according to a liquid level meter 808 and transmit the penetrating fluid to the liquid supply tank 804;
the liquid supply tank 804 is provided with an exhaust valve 811 communicated with the atmosphere, the liquid supply tank 804 is connected with an air source through a compressed air pipeline, the compressed air pipeline is provided with an air source second connecting piece 812, a pressure reducing valve 813 and a second electromagnetic valve 814, and compressed air subjected to pressure stabilization is used as a power source, so that the spraying liquid receives constant pressure, and the flow can be kept stable in the spraying process;
the bottom of the liquid supply tank 804 is connected with the spray rod 701 through a PEFT transparent hose, and a second angle seat valve 816 controlled to be opened and closed by a third electromagnetic valve 815 is arranged on the pipeline;
in another aspect of the invention, a working method of an environmental-friendly material barrel penetration tester is provided, which comprises the following steps:
s1, mounting the environment-friendly material barrel 9: before installation, the environment-friendly material cylinder 9 is weighed, the sealing cover 102 is opened, the movable supporting pad 207 is lifted, the sliding supporting frame slides to the leftmost side, the environment-friendly material cylinder 9 is vertically placed into the opening of the first supporting frame 204 and the opening of the second supporting frame 305, the pressing plate 306 presses the flange of the environment-friendly material cylinder 9 into the positioning groove, the sliding support 206 moves to the side of the first supporting frame 204, the movable supporting pad 207 is put down, and the fixed supporting pad 205 and the movable supporting pad 207 are enabled to form an angle of 120 degrees with each other to radially fix and support the environment-friendly material cylinder 9;
s2, permeate ready: the stirrer 805 is started in advance to enable the penetrating fluid to be stirred uniformly, a fixed amount of penetrating fluid is measured by the metering tank 803 and the liquid level meter 808 and is conveyed to the liquid supply tank 804 for standby;
s3, starting the vacuum pump 6: closing the sealing cover 102, and starting the vacuum pump 6 to change the interior of the cavity 101 into a negative pressure environment;
s4, rotation of main shaft 301: the first servo motor 5 is started, and the blind pipe end clamping and rotating mechanism 2 and the flange end clamping and rotating mechanism 3 synchronously rotate through the synchronous rotating mechanism 4;
s5, spraying penetrating fluid and reciprocating the spray rod 701: opening a second electromagnetic valve 814 to enable compressed air to be communicated with the liquid supply tank 804, opening a second starting angle seat valve to start spraying, and simultaneously starting a second servo motor to drive the spraying rod 701 to reciprocate;
s6, finishing spraying and resetting the spray rod 701;
s7, main shaft 301 directional stop: the main shaft 301 stops rotating, and when the main shaft 301 stops rotating under the control of the proximity switch and the proximity switch baffle, the openings of the first support frame 204 and the second support frame 305 face upwards;
s8, stopping the vacuum pump 6;
and S9, taking down and weighing, and comparing the weight difference before and after permeation to judge the permeation performance of the environment-friendly material cylinder 9. .
In conclusion, the penetration testing machine for the environment-friendly material cylinder can be used for performing a penetration test on a longer environment-friendly material cylinder, the internal torque is reduced by bilateral driving, the cylinder body is not easy to generate indentation, penetrating fluid is uniformly sprayed, and the accuracy of the test can be improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (7)
1. The utility model provides an environmental protection material section of thick bamboo penetration test machine which characterized in that: the device comprises a rack (1), a blind pipe end clamping rotating mechanism (2), a flange end clamping rotating mechanism (3), a synchronous rotating mechanism (4), a first servo motor (5), a vacuum pump (6), a spraying mechanism (7) and a penetrating fluid conveying mechanism (8);
the blind pipe end clamping and rotating mechanism (2) is arranged at the left end of the rack (1), plays a role in fixing the blind pipe end of the environment-friendly material cylinder (9), and can rotate around a shaft on the rack (1);
the flange end clamping and rotating mechanism (3) is arranged at the right end of the rack (1), is coaxial with the blind pipe end clamping and rotating mechanism (2), has a fixing effect on the flange end of the environment-friendly material cylinder (9), and can rotate around a shaft on the rack (1);
the synchronous rotating mechanism (4) comprises a transmission rod (401) installed at the bottom of the rack (1), and the blind pipe end clamping rotating mechanism (2) and the flange end clamping rotating mechanism (3) are in power connection with the transmission rod (401) through a synchronous belt and a synchronous pulley, so that the blind pipe end clamping rotating mechanism (2) and the flange end clamping rotating mechanism (3) rotate at the same angular speed;
the first servo motor (5) is in power connection with the flange end clamping rotating mechanism (3) through a synchronous belt and a synchronous belt wheel and provides power for the blind pipe end clamping rotating mechanism (2) and the flange end clamping rotating mechanism (3);
the machine frame (1) is provided with a sealed cavity (101), the upper end of the cavity (101) is provided with a sealing cover (102) which is driven by an air cylinder (103) to open and close, the side surface of the cavity (101) is connected with a vacuum pump (6) through a pipeline, and when the penetration testing machine operates, the vacuum pump (6) creates a negative pressure environment in the cavity (101);
the spraying mechanism (7) comprises a spraying rod (701), the spraying rod (701) penetrates through the center of the flange end clamping rotating mechanism (3) and extends into the environment-friendly material cylinder (9), the spraying rod (701) is in sliding fit with the flange end clamping rotating mechanism (3) and can slide from a blind pipe end in the environment-friendly material cylinder (9) to the flange end, and a nozzle (702) is installed at the tail end of the spraying rod (701) extending into the environment-friendly material cylinder (9);
the penetrating fluid conveying mechanism (8) is connected with the other end of the spray rod (701) through a pipeline to provide penetrating fluid with stable pressure and flow for the spray mechanism (7).
2. The environmental protection material cartridge penetration tester of claim 1, wherein: the blind pipe end clamping and rotating mechanism (2) comprises a driven shaft (201), the driven shaft (201) is in sealed rotating fit with the rack (1), one end of the driven shaft (201) extending into the cavity (101) of the frame (1) is fixedly connected with a turntable (202), the turntable (202) is fixedly connected with a first support frame (204) with an opening through three first guide rods (203), the opening degree of the first support frame (204) is larger than the diameter of the environment-friendly material cylinder (9), two fixed supporting pads (205) are arranged on the inner side of the first supporting frame (204), a sliding bracket (206) capable of sliding back and forth is arranged on the first guide rod (203), the side surface of the sliding support (206) is provided with a movable supporting pad (207) which can move in the radial direction, the fixed supporting pad (205) and the movable supporting pad (207) form an angle of 120 degrees with each other, and play a role in radially fixing and supporting the environment-friendly material barrel (9).
3. The environmental protection material cartridge penetration tester of claim 1, wherein: the flange end clamping and rotating mechanism (3) comprises a main shaft (301), a sealing rotation fit is arranged between the main shaft (301) and the rack (1), one end of the main shaft (301) extending into a cavity (101) of the rack (1) is fixedly connected with a transition disc (302), a positioning disc (303) is fixedly installed on the transition disc (302), a circular positioning groove is formed in the positioning disc (303), the diameter of the positioning groove is consistent with that of the environment-friendly material cylinder (9), the transition disc (302) is further fixedly connected with a second supporting frame (305) with an opening through three second guide rods (304), the opening width of the second supporting frame (305) is larger than that of the environment-friendly material cylinder (9), a pressing plate (306) capable of sliding back and forth is arranged on the second guide rod (304), the pressing plate (306) can slide to the side of the positioning disc (303), and a flange of the environment-friendly material cylinder (9) is compressed in the positioning groove, the flange end of the environment-friendly material cylinder (9) is fixed.
4. The environmental protection material cartridge penetration tester of claim 3, wherein: the photoelectric switch (307) is arranged on the rack (1), a photoelectric switch baffle (308) is installed at a corresponding position on the main shaft (301), and the opening direction of the photoelectric switch baffle (308) on the main shaft (301) is opposite to that of the second support frame (305).
5. The environmental protection material cartridge penetration tester of claim 1, wherein: the other end of the spray rod (701) is fixed on a sliding plate (703), the sliding plate (703) slides on a sliding rail (704) on a support (705), the bottom of the sliding rail (704) is connected with a synchronous belt, and a synchronous belt wheel driven by a second servo is arranged on the support (705).
6. The environmental protection material cartridge penetration tester of claim 1, wherein: the penetrating fluid conveying mechanism (8) comprises a liquid storage tank (801), a peristaltic pump (802), a metering tank (803) and a liquid supply tank (804);
a stirrer (805) and a heater (806) are arranged in the liquid storage tank (801), a manual ball valve (807) is arranged at the bottom of the liquid storage tank (801), and a peristaltic pump (802) is used for conveying penetrating fluid to the metering tank (803) through a pipeline;
a liquid level meter (808) is arranged on the metering tank (803), and a high level and a low level are set for the liquid level meter (808); the metering tank (803) is connected with the liquid supply tank (804) through a pipeline, and a first pneumatic angle seat valve (810) controlled to be opened and closed by a first electromagnetic valve (809) is arranged on the pipeline;
an exhaust valve (811) communicated with the atmosphere is arranged on the liquid supply tank (804), the liquid supply tank (804) is connected with an air source through a compressed air pipeline, and an air source second connecting piece (812), a pressure reducing valve (813) and a second electromagnetic valve (814) are arranged on the compressed air pipeline;
the bottom of the liquid supply tank (804) is connected with a spray rod (701) through a PEFT transparent hose, and a second angle seat valve (816) which is controlled to be opened and closed by a third electromagnetic valve (815) is arranged on the pipeline.
7. The working method of the environmental-friendly material cylinder penetration testing machine is characterized by comprising the following steps of: the method comprises the following steps:
s1, mounting the environment-friendly material barrel (9): before installation, the environment-friendly material cylinder (9) is weighed, the sealing cover (102) is opened, the movable supporting pad (207) is lifted, the sliding supporting frame slides to the leftmost side, the environment-friendly material cylinder (9) is vertically placed into the opening of the first supporting frame (204) and the opening of the second supporting frame (305), the pressing plate (306) presses a flange of the environment-friendly material cylinder (9) in a positioning groove, the sliding support (206) moves beside the first supporting frame (204), the movable supporting pad (207) is put down, and the fixed supporting pad (205) and the movable supporting pad (207) are enabled to mutually form 120 degrees to play a role in radial fixing and supporting on the environment-friendly material cylinder (9);
s2, permeate ready: the stirrer (805) is opened in advance to enable the penetrating fluid to be stirred uniformly, a fixed amount of penetrating fluid is measured by the metering tank (803) and the liquid level meter (808), and the penetrating fluid is conveyed to the liquid supply tank (804) for standby;
s3, starting a vacuum pump (6): closing the sealing cover (102), and starting the vacuum pump (6) to change the interior of the cavity (101) into a negative pressure environment;
s4, rotation of the main shaft (301): the first servo motor (5) is started, and the blind pipe end clamping and rotating mechanism (2) and the flange end clamping and rotating mechanism (3) synchronously rotate through the synchronous rotating mechanism (4);
s5, spraying penetrating fluid and reciprocating a spray rod (701): opening a second electromagnetic valve (814) to enable compressed air to be communicated with a liquid supply tank (804), opening a second starting angle seat valve to start spraying, and simultaneously starting a second servo motor to drive a spraying rod (701) to reciprocate;
s6, finishing spraying and resetting the spray rod (701);
s7, main shaft (301) is stopped in an oriented mode: the main shaft (301) stops rotating, and when the main shaft (301) stops rotating under the control of the proximity switch and the proximity switch baffle, the openings of the first support frame (204) and the second support frame (305) face upwards;
s8, stopping the vacuum pump (6);
s9, removing and weighing.
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