CN116296915B - PVC power tube deformation preventing capability testing device - Google Patents
PVC power tube deformation preventing capability testing device Download PDFInfo
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- CN116296915B CN116296915B CN202310065467.3A CN202310065467A CN116296915B CN 116296915 B CN116296915 B CN 116296915B CN 202310065467 A CN202310065467 A CN 202310065467A CN 116296915 B CN116296915 B CN 116296915B
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- 238000012360 testing method Methods 0.000 title claims abstract description 80
- 238000009863 impact test Methods 0.000 claims abstract description 20
- 230000001133 acceleration Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012669 compression test Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
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- 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
- G01N2203/005—Electromagnetic means
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- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0228—Low temperature; Cooling means
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a PVC power tube deformation resistance testing device, which comprises a testing protective box, a low-temperature environment generating device, a contact variable collision testing ball, a protective plate, an elastic bearing limit frame, an unpowered input type electromagnetic acceleration impact device, an adjustable bearing device and a protective cover. The invention belongs to the technical field of deformation testing of PVC power pipes, in particular to a deformation resistance testing device of a PVC power pipe, which adopts a self-made wet low-temperature environment mode to obtain the compression resistance of the PVC power pipe in the wet low-temperature environment, and utilizes the characteristic that the density of water is higher than that of air and the heat exchange speed is high to fill water into the PVC power pipe so as to realize the technical effect of rapid refrigeration; in order to perform omnibearing test on the PVC power tube, a mode of combining an unpowered input type electromagnetic acceleration impact device with a contact variable collision test ball is adopted, and the technical effects of acceleration impact test with different degrees are realized by utilizing different magnetism.
Description
Technical Field
The invention belongs to the technical field of deformation testing of PVC power pipes, and particularly relates to an anti-deformation capability testing device for a PVC power pipe.
Background
The PVC power tube has excellent corrosion resistance. Meanwhile, the coating has good electrical insulation, and no electric corrosion is generated. The water absorption rate is low, the mechanical strength is high, the friction coefficient is small, and the aim of long-term use can be achieved. And the damage of plant root system and soil environmental stress can be effectively prevented.
After the production of a general PVC power tube, the compression test needs to be carried out on the PVC power tube, the PVC power tube is easy to displace and difficult to test during the manual compression test, the test effect is affected, the existing compression test is carried out at normal temperature, the compression deformation resistance of the PVC power tube in a wet low-temperature environment cannot be accurately known, and therefore, the PVC power tube deformation resistance testing device is provided.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the anti-deformation capability test device for the PVC power tube, which adopts a self-made wet low-temperature environment mode to obtain the anti-compression capability of the PVC power tube in the wet low-temperature environment, and utilizes the characteristic that the density of water is higher than that of air and the heat exchange speed is high, so that the water is poured into the PVC power tube to realize the technical effect of rapid refrigeration, and the state of the PVC power tube in the wet low-temperature environment is fully simulated; in order to perform omnibearing test on the PVC power tube, a mode of combining an unpowered input type electromagnetic acceleration impact device with a contact variable collision test ball is adopted, and the technical effects of acceleration impact test with different degrees are realized by utilizing different magnetism.
The technical scheme adopted by the invention is as follows: the invention provides a PVC power tube deformation resistance testing device, which comprises a testing protection box, a low-temperature environment generating device, a contact variable collision testing ball, a protection plate, an elastic bearing limit frame, an unpowered input type electromagnetic acceleration impact device, an adjustable bearing device and a protection cover, wherein the low-temperature environment generating device is arranged in the testing protection box; the low-temperature environment generating device comprises a low-temperature generating box, a plugging heat-preserving component, a plugging groove, a heat-preserving lining and a cold air output device, wherein the low-temperature generating box is arranged in a test protecting box, the plugging heat-preserving component is arranged in the test protecting box, the plugging groove is arranged on the low-temperature generating box, the plugging heat-preserving component is arranged in the plugging groove in a telescopic sliding manner, the heat-preserving lining is arranged in the low-temperature generating box, the cold air transmission opening is formed in the low-temperature generating box, and the cold air output device is arranged in the cold air transmission opening.
Further, the cold air output device comprises a cold air guide block, a refrigerating sheet, a radiating sheet, an auxiliary fan, an auxiliary motor and a power supply piece, wherein the cold air guide block is arranged at the cold air transmission port, the refrigerating surface of the refrigerating sheet is connected with the cold air guide block, the cold air guide block can radiate cold air on the refrigerating surface of the refrigerating sheet, the radiating sheet is connected with the radiating surface of the refrigerating sheet, silicone grease is coated between the refrigerating sheet, the cold guide block and the radiating sheet, the refrigerating sheet is convenient to refrigerate and radiate heat, the auxiliary fan is provided with the auxiliary plate, the auxiliary fan is rotationally arranged on the auxiliary plate, the blowing direction of the fan is from the radiating sheet to the direction of the cold guide block, the cold air is convenient to blow into the low-temperature generating box, the auxiliary motor is arranged on the auxiliary plate, the output end of the auxiliary motor is connected with the auxiliary fan, the power supply piece is arranged on the outer side wall of the low-temperature generating box, the refrigerating sheet is connected with the power supply piece through a wire, and when the direct current passes through the refrigerating sheet, the two surfaces of the refrigerating sheet are respectively the refrigerating surface and the refrigerating surface are used for cooling, the radiating heat, and the radiating effect is convenient and fast.
Preferably, the plugging heat-insulating assembly comprises a plugging telescopic rod and a plugging heat-insulating plate, the plugging telescopic rod is arranged in the test protection box, the plugging heat-insulating plate is arranged at the movable end of the plugging telescopic rod, and the plugging heat-insulating plate is arranged in the plugging groove in a telescopic sliding manner, so that the technical effect of movable sealing heat insulation of the low-temperature generation box is achieved.
Further, the unpowered input type electromagnetic acceleration impact device comprises an impact slideway, an arithmetic magnetic side block, a supporting rod and a fixing rod, wherein the fixing rod is arranged in the test protection box, the arithmetic magnetic side block is arranged on the fixing rod, the supporting rod is arranged on the arithmetic magnetic side block, the impact slideway is arranged on the supporting rod, the arithmetic magnetic side blocks are symmetrically provided with two groups, and the impact slideway is arranged between the arithmetic magnetic side blocks.
The magnetic force side baffle comprises a placing frame and magnetic blocks, wherein the placing frame is arranged on a supporting rod, the placing frame is sequentially arranged in an equi-differential mode from top to bottom, the magnetic blocks are arranged in the placing frame, the number of the placing frame and the number of the magnetic blocks can be additionally arranged according to the strength of an impact test, a magnetic ball storage box is arranged on the test protection box, and an impact magnetic ball is arranged in the magnetic ball storage box.
Further, the contact variable collision test ball comprises an impact test piece, a contact change hole, a stud, a spiral meshing ring, a conical contact, a screwing head and an anti-slip protrusion, wherein the contact change hole is formed in the impact test piece, the spiral meshing ring is arranged on the impact test piece, the stud is connected with the spiral meshing ring in a meshing manner, the conical contact is arranged at the bottom end of the stud, the screwing head is arranged at the upper end of the stud, the anti-slip protrusion is arranged on the screwing head, when the conical contact is arranged in the impact test piece, the contact for the impact test is a circular ring, and when the conical contact is exposed, the contact for the impact test is a round dot, so that the technical effects of various contact impact tests are realized.
As a further preferred aspect of the present invention, the elastic bearing limiting frame includes a support column, a bearing frame, an elastic bearing piece, and a supporting limiting member, where the support column is disposed on the protection plate, a through hole is disposed on the protection plate, the bearing frame is disposed on the support column, the elastic bearing piece is disposed at the bottom end of the bearing frame, and the supporting limiting member is disposed in the bearing frame, and in an initial state, the elastic bearing piece supports the contact variable collision test ball, and when the contact variable collision test ball is impacted by an external force, the contact variable collision test ball can pop out through the elastic bearing piece.
Further, the adjustable bearing device comprises a bearing expansion piece, a bearing ring, a fixed ring, a rotating shaft, a fixed motor and a mounting plate, wherein the bearing expansion piece is arranged in the low-temperature generation box, the bearing ring is arranged at the movable end of the bearing expansion piece, the rotating shaft is rotationally arranged on the bearing ring, the fixed ring is arranged on the rotating shaft, the mounting plate is arranged on the side wall of the bearing ring, the fixed motor is arranged on the mounting plate, and the output end of the fixed motor is connected with the rotating shaft.
The protection cover comprises a fixing plate, a rotary blocking cover and a pull button, wherein the fixing plate is arranged on the test protection box, the rotary blocking cover is rotationally arranged on the fixing plate, and the pull button is arranged on the rotary blocking cover.
Further, the test protection box comprises a box body, a transparent protection door and a handle, wherein the transparent protection door is connected with the box body hinge, and the handle is arranged on the transparent protection door.
The beneficial effects obtained by the invention by adopting the structure are as follows: the technical effect of rapid refrigeration is realized by pouring water into the PVC power tube by utilizing the characteristics of higher density of water than air and higher heat exchange speed in a self-made moist low-temperature environment mode so as to obtain the compressive deformation resistance of the PVC power tube in the moist low-temperature environment, and the state of the PVC power tube in the moist low-temperature environment is fully simulated; in order to perform omnibearing test on the PVC power tube, a mode of combining an unpowered input type electromagnetic acceleration impact device with a contact variable collision test ball is adopted, and the technical effects of acceleration impact test with different degrees are realized by utilizing different magnetism.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a PVC power tube deformation resistance testing device according to the present invention;
FIG. 2 is a left side view of a PVC power tube deformation resistance testing device according to the present invention;
FIG. 3 is a front view of a PVC power tube deformation resistance testing device according to the present invention;
FIG. 4 is a top view of a PVC power tube deformation resistance testing device according to the present invention;
FIG. 5 is a cross-sectional view of a PVC power tube deformation resistance testing device according to the present invention;
FIG. 6 is a schematic view of the overall structure of the low temperature environment generating device;
FIG. 7 is a schematic diagram of the back structure of the low temperature environment generating device;
FIG. 8 is a schematic view of a structure of a cool air output apparatus;
FIG. 9 is a rear view of the cool air output apparatus;
FIG. 10 is a cross-sectional view of the cold air output device;
FIG. 11 is a schematic diagram of the overall structure of an unpowered input type electromagnetic acceleration impact device;
FIG. 12 is a cross-sectional view of an unpowered input type electromagnetic acceleration impact device;
FIG. 13 is a force state diagram of an unpowered input type electromagnetic acceleration impact device;
FIG. 14 is a schematic view of a configuration of a contact variable crash test ball;
FIG. 15 is a cross-sectional view of a contact variable crash test ball;
FIG. 16 is a schematic view of an elastic load-bearing stop;
fig. 17 is a schematic structural view of the shield plate;
FIG. 18 is a schematic view of an adjustable support device;
FIG. 19 is a schematic diagram of a test guard box.
Wherein, 1, a test protection box, 2, a low-temperature environment generating device, 3, a contact variable collision test ball, 4, a protection plate, 5, an elastic bearing limit frame, 6, an unpowered input type electromagnetic acceleration impact device, 7, an adjustable bearing device, 8, a protection cover, 9, a low-temperature generating box, 10, a plugging heat preservation component, 11, a plugging groove, 12, a heat preservation lining, 13, a cold air output device, 14, a cold air transmission port, 15, a cold guide block, 16, a refrigerating sheet, 17, a radiating sheet, 18, an auxiliary fan, 19, an auxiliary motor, 20, a power supply piece, 21, an auxiliary plate, 22, a plugging telescopic rod, 23, a plugging heat preservation plate, 24 and an impact slideway, 25, an arithmetic magnetic force side block, 26, a supporting rod, 27, a fixing rod, 28, a placing frame, 29, a magnetic block, 30, a magnetic ball storage box, 31, an impact magnetic ball, 32, an impact test piece, 33, a contact change hole, 34, a stud, 35, a spiral meshing ring, 36, a conical contact, 37, a screwing head, 38, an anti-slip boss, 39, a supporting column, 40, a bearing frame, 41, an elastic bearing piece, 42, a supporting limiting piece, 43, a through hole, 44, a bearing telescopic piece, 45, a bearing ring, 46, a fixing ring, 47, a rotating shaft, 48, a fixing motor, 49, a mounting plate, 50, a fixing plate, 51, a rotating sealing cover, 52, a pull button, 53, a box body, 54, a transparent protective door, 55 and a handle.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; 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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1, 2, 4 and 5, the invention provides a testing device for the deformation resistance of a PVC power tube, comprising a testing protective box 1, a low-temperature environment generating device 2, a contact variable collision testing ball 3, a protection plate 4, an elastic bearing limit frame 5, an unpowered input type electromagnetic acceleration impact device 6, an adjustable bearing device 7 and a protection cover 8, wherein the low-temperature environment generating device 2 is arranged in the testing protective box 1, the protection plate 4 is arranged above the low-temperature environment generating device 2, the elastic bearing limit frame 5 is arranged on the protection plate 4, the contact variable collision testing ball 3 is arranged in the elastic bearing limit frame 5, the unpowered input type electromagnetic acceleration impact device 6 is arranged in the testing protective box 1, the adjustable bearing device 7 is arranged in the low-temperature environment generating device 2, and the protection cover 8 is arranged on the testing protective box 1.
As shown in fig. 1 and 19, the test protection box 1 comprises a box body 53, a transparent protection door 54 and a handle 55, wherein the transparent protection door 54 is connected with the box body 53 by a hinge, and the handle 55 is arranged on the transparent protection door 54.
As shown in fig. 1, 3, 6, 7, 8, 9 and 10, the low-temperature environment generating device 2 comprises a low-temperature generating box 9, a plugging heat preservation component 10, a plugging groove 11, a heat preservation lining 12 and a cold air output device 13, wherein the low-temperature generating box 9 is arranged in a test protection box 1, the plugging heat preservation component 10 is arranged in the test protection box 1, the plugging groove 11 is arranged on the low-temperature generating box 9, the plugging heat preservation component 10 is arranged in the plugging groove 11 in a telescopic sliding manner, the heat preservation lining 12 is arranged in the low-temperature generating box 9, the cold air transmission port 14 is arranged on the low-temperature generating box 9, and the cold air output device 13 is arranged in the cold air transmission port 14; the cold air output device 13 comprises a cold air guide block 15, a refrigerating plate 16, a radiating fin 17, an auxiliary fan 18, an auxiliary motor 19 and a power supply piece 20, wherein the cold air guide block 15 is arranged at the cold air transmission port 14, the refrigerating surface of the refrigerating plate 16 is connected with the cold air guide block 15, the cold air guide block 15 can radiate cold air on the refrigerating surface of the refrigerating plate 16, the radiating fin 17 is connected with the radiating surface of the refrigerating plate 16, silicone grease is coated between the refrigerating plate 16, the cold air guide block 15 and the radiating fin 17, the auxiliary fan 18 is rotatably arranged on the auxiliary plate 21, the auxiliary motor 19 is arranged on the auxiliary plate 21, the output end of the auxiliary motor 19 is connected with the auxiliary fan 18, the power supply piece 20 is arranged on the outer side wall of the low-temperature generating box 9, and the refrigerating plate 16 is connected with the power supply piece 20 through a wire; the plugging heat-insulating assembly 10 comprises a plugging telescopic rod 22 and a plugging heat-insulating plate 23, wherein the plugging telescopic rod 22 is arranged in the test protection box 1, the plugging heat-insulating plate 23 is arranged at the movable end of the plugging telescopic rod 22, and the plugging heat-insulating plate 23 is arranged in the plugging groove 11 in a telescopic sliding manner.
As shown in fig. 3, 5 and 18, the adjustable supporting device 7 includes a supporting expansion member 44, a supporting ring 45, a fixing ring 46, a rotating shaft 47, a fixing motor 48 and a mounting plate 49, wherein the supporting expansion member 44 is arranged in the low-temperature generating box 9, the supporting ring 45 is arranged at the movable end of the supporting expansion member 44, the rotating shaft 47 is rotatably arranged on the supporting ring 45, the fixing ring 46 is arranged on the rotating shaft 47, the mounting plate 49 is arranged on the side wall of the supporting ring 45, the fixing motor 48 is arranged on the mounting plate 49, and the output end of the fixing motor 48 is connected with the rotating shaft 47.
As shown in fig. 1 and 16, the elastic bearing limit frame 5 includes a support column 39, a bearing frame 40, an elastic bearing piece 41, and a supporting limit piece 42, where the support column 39 is disposed on the protection plate 4, the protection plate 4 is provided with a through hole 43, the bearing frame 40 is disposed on the support column 39, the elastic bearing piece 41 is disposed at the bottom end of the bearing frame 40, and the supporting limit piece 42 is disposed in the bearing frame 40.
As shown in fig. 1, 14 and 15, the contact variable collision test ball 3 comprises an impact test piece 32, a contact change hole 33, a stud 34, a spiral engagement ring 35, a conical contact 36, a screwing head 37 and a non-slip bump 38, wherein the contact change hole 33 is arranged on the impact test piece 32, the spiral engagement ring 35 is arranged on the impact test piece 32, the stud 34 is in meshed connection with the spiral engagement ring 35, the conical contact 36 is arranged at the bottom end of the stud 34, the screwing head 37 is arranged at the upper end of the stud 34, and the non-slip bump 38 is arranged on the screwing head 37.
As shown in fig. 1, 11, 12 and 19, the unpowered electromagnetic acceleration impact device 6 comprises an impact slideway 24, an arithmetic magnetic side block 25, a supporting rod 26 and a fixing rod 27, wherein the fixing rod 27 is arranged in the test protection box 1, the arithmetic magnetic side block 25 is arranged on the fixing rod 27, the supporting rod 26 is arranged on the arithmetic magnetic side block 25, the impact slideway 24 is arranged on the supporting rod 26, two groups of arithmetic magnetic side blocks 25 are symmetrically arranged, and the impact slideway 24 is arranged between the arithmetic magnetic side blocks 25; the arithmetic magnetic force side baffle 25 comprises a placing frame 28 and magnetic blocks 29, wherein the placing frame 28 is arranged on the supporting rod 26, the placing frame 28 is sequentially arranged in an arithmetic mode from top to bottom, the magnetic blocks 29 are arranged in the placing frame 28, a magnetic ball storage box 30 is arranged on the test protection box 1, and an impact magnetic ball 31 is arranged in the magnetic ball storage box 30.
As shown in fig. 13, the impact magnetic ball 31 receives two forces of the magnetic block 29 at the same time, one force is a downward thrust force of the S pole of the magnetic block 29 to the impact magnetic ball 31, and the other force is a downward attractive force of the N pole of the magnetic block 29 to the impact magnetic ball 31, thereby realizing the technical effect of accelerating the impact magnetic ball 31.
As shown in fig. 1 and 19, the protective cover 8 includes a fixing plate 50, a rotary plugging cover 51, and a pull button 52, the fixing plate 50 is disposed on the test protective case 1, the rotary plugging cover 51 is rotatably disposed on the fixing plate 50, and the pull button 52 is disposed on the rotary plugging cover 51.
When the PVC electric tube to be tested is filled with water, the density of water is higher than that of air, and the heat exchange speed is high, so that the PVC electric tube is filled with water, the technical effect of quick conduction refrigeration is realized, two ends are blocked, the PVC electric tube is placed on the supporting ring 45 after the blocking is finished, the fixed motor 48 is started, the fixed motor 48 rotates to drive the rotating shaft 47 to rotate, the rotating shaft 47 rotates to drive the fixed ring 46 to rotate, the fixed ring 46 rotates to fix the PVC electric tube, the blocking telescopic rod 22 is started, the blocking telescopic rod 22 stretches and contracts to drive the blocking heat preservation plate 23 to move into the blocking groove 11, the low-temperature generating box 9 is blocked, the power supply piece 20 supplies power to the refrigerating piece 16, when direct current passes through the refrigerating piece 16, two surfaces of the refrigerating piece 16 are respectively a radiating surface and a refrigerating surface, the refrigerating surface is used for refrigerating and cooling, the radiating surface is used for radiating, simultaneously, an auxiliary motor 19 is started, the auxiliary motor 19 rotates to drive an auxiliary fan 18 to rotate, the blowing direction of the auxiliary fan 18 blows air from a radiating fin 17 to a direction of a cold block 15, so that cold air is blown into a low-temperature generating box 9 conveniently, the technical effect of convenient refrigeration is realized, after refrigeration, a plugging telescopic rod 22 is started again, the plugging telescopic rod 22 shortens to drive a plugging heat insulation plate to be pulled out of a plugging groove 11, a supporting telescopic piece 44 is started, the supporting telescopic piece 44 stretches to drive a supporting ring 45 to rise, the supporting ring 45 rises to drive a PVC power tube to rise, the supporting ring rises to the lower part of an elastic bearing limit frame 5 through a through hole 43, an impact magnetic ball 31 in a magnetic ball storage box 30 is taken out, a protective cover 8 is opened, the impact magnetic ball 31 is put into an impact slideway 24, the impact magnetic ball 31 falls under the action of an equi-differential magnetic side baffle 25 in an accelerating manner, and impacts a contact variable collision test ball 3, the contact variable collision test ball 3 punches out the elastic carrier 41 and falls onto the PVC power tube, after the impact is finished, the deformation condition of the lower PVC power tube is checked, the magnet 29 can be additionally arranged in the placement frame 28 for impact test with different intensities, the screwing head 37 can be rotated to extend the conical contact 36, and the technical effect of various contact impact tests is realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (5)
1. The utility model provides a PVC power tube deformation preventing ability testing arrangement which characterized in that: the device comprises a test protection box (1), a low-temperature environment generating device (2), a contact variable collision test ball (3), a protection plate (4), an elastic bearing limit frame (5), an unpowered input type electromagnetic acceleration impact device (6), an adjustable bearing device (7) and a protection cover (8), wherein the low-temperature environment generating device (2) is arranged in the test protection box (1), the protection plate (4) is arranged above the low-temperature environment generating device (2), the elastic bearing limit frame (5) is arranged on the protection plate (4), the contact variable collision test ball (3) is arranged in the elastic bearing limit frame (5), the unpowered input type electromagnetic acceleration impact device (6) is arranged in the test protection box (1), the adjustable bearing device (7) is arranged in the low-temperature environment generating device (2), and the protection cover (8) is arranged on the test protection box (1); the low-temperature environment generating device (2) comprises a low-temperature generating box (9), a plugging heat-preserving component (10), a plugging groove (11), a heat-preserving lining (12) and a cold air output device (13), wherein the low-temperature generating box (9) is arranged in a test protecting box (1), the plugging heat-preserving component (10) is arranged in the test protecting box (1), the plugging groove (11) is arranged on the low-temperature generating box (9), the plugging heat-preserving component (10) is telescopically and slidably arranged in the plugging groove (11), the heat-preserving lining (12) is arranged in the low-temperature generating box (9), a cold air transmission port (14) is formed in the low-temperature generating box (9), and the cold air output device (13) is arranged in the cold air transmission port (14); the cold air output device (13) comprises a cold guide block (15), a refrigerating sheet (16), radiating fins (17), an auxiliary fan (18), an auxiliary motor (19) and a power supply piece (20), wherein the cold guide block (15) is arranged at the cold air transmission port (14), the refrigerating surface of the refrigerating sheet (16) is connected with the cold guide block (15), the radiating fins (17) are connected with the radiating surface of the refrigerating sheet (16), silicone grease is coated between the refrigerating sheet (16) and the cold guide block (15) and the radiating fins (17), the radiating fins (17) are provided with auxiliary plates (21), the auxiliary fan (18) is rotationally arranged on the auxiliary plates (21), the auxiliary motor (19) is arranged on the auxiliary plates (21), the output end of the auxiliary motor (19) is connected with the auxiliary fan (18), the power supply piece (20) is arranged on the outer side wall of the low-temperature generating box (9), and the refrigerating sheet (16) is connected with the power supply piece (20) through a wire. The plugging heat-insulating assembly (10) comprises a plugging telescopic rod (22) and a plugging heat-insulating plate (23), wherein the plugging telescopic rod (22) is arranged in the test protective box (1), the plugging heat-insulating plate (23) is arranged at the movable end of the plugging telescopic rod (22), and the plugging heat-insulating plate (23) is arranged in the plugging groove (11) in a telescopic sliding manner; the unpowered input type electromagnetic acceleration impact device (6) comprises an impact slideway (24), an arithmetic magnetic side block (25), a supporting rod (26) and a fixed rod (27), wherein the fixed rod (27) is arranged in the test protection box (1), the arithmetic magnetic side block (25) is arranged on the fixed rod (27), the supporting rod (26) is arranged on the arithmetic magnetic side block (25), the impact slideway (24) is arranged on the supporting rod (26), two groups of arithmetic magnetic side blocks (25) are symmetrically arranged, and the impact slideway (24) is arranged between the arithmetic magnetic side blocks (25); the magnetic force side baffle (25) comprises a placement frame (28) and magnetic blocks (29), wherein the placement frame (28) is arranged on a supporting rod (26), the placement frame (28) is sequentially arranged in an equi-differential mode from top to bottom, the magnetic blocks (29) are arranged in the placement frame (28), a magnetic ball storage box (30) is arranged on the test protection box (1), and an impact magnetic ball (31) is arranged in the magnetic ball storage box (30); the contact variable collision test ball (3) comprises an impact test piece (32), a contact change hole (33), a stud (34), a spiral meshing ring (35), a conical contact (36), a screwing head (37) and an anti-slip boss (38), wherein the contact change hole (33) is formed in the impact test piece (32), the spiral meshing ring (35) is formed in the impact test piece (32), the stud (34) is meshed with the spiral meshing ring (35), the conical contact (36) is formed in the bottom end of the stud (34), the screwing head (37) is formed in the upper end of the stud (34), and the anti-slip boss (38) is formed in the screwing head (37).
2. The PVC power pipe deformation preventing capability testing apparatus of claim 1, wherein: the elastic bearing limiting frame (5) comprises a supporting column (39), a bearing frame (40), an elastic bearing piece (41) and a supporting limiting piece (42), wherein the supporting column (39) is arranged on a protection plate (4), a through hole (43) is formed in the protection plate (4), the bearing frame (40) is arranged on the supporting column (39), the elastic bearing piece (41) is arranged at the bottom end of the bearing frame (40), and the supporting limiting piece (42) is arranged in the bearing frame (40).
3. The PVC power pipe deformation preventing capability testing apparatus of claim 2, wherein: the adjustable bearing device (7) comprises a bearing telescopic piece (44), a bearing ring (45), a fixed ring (46), a rotating shaft (47), a fixed motor (48) and a mounting plate (49), wherein the bearing telescopic piece (44) is arranged in a low-temperature generation box (9), the bearing ring (45) is arranged at the movable end of the bearing telescopic piece (44), the rotating shaft (47) is rotationally arranged on the bearing ring (45), the fixed ring (46) is arranged on the rotating shaft (47), the mounting plate (49) is arranged on the side wall of the bearing ring (45), the fixed motor (48) is arranged on the mounting plate (49), and the output end of the fixed motor (48) is connected with the rotating shaft (47).
4. A PVC power pipe deformation preventing capability testing apparatus according to claim 3, wherein: the protective cover (8) comprises a fixed plate (50), a rotary blocking cover (51) and a pull button (52), wherein the fixed plate (50) is arranged on the test protective box (1), the rotary blocking cover (51) is rotationally arranged on the fixed plate (50), and the pull button (52) is arranged on the rotary blocking cover (51).
5. The device for testing the deformation resistance of the PVC power tube according to claim 4, wherein: the test protection box (1) comprises a box body (53), a transparent protection door (54) and a handle (55), wherein the transparent protection door (54) is connected with the box body (53) through a hinge, and the handle (55) is arranged on the transparent protection door (54).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310065467.3A CN116296915B (en) | 2023-02-06 | 2023-02-06 | PVC power tube deformation preventing capability testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310065467.3A CN116296915B (en) | 2023-02-06 | 2023-02-06 | PVC power tube deformation preventing capability testing device |
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| CN116296915A CN116296915A (en) | 2023-06-23 |
| CN116296915B true CN116296915B (en) | 2024-01-16 |
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| CN202310065467.3A Active CN116296915B (en) | 2023-02-06 | 2023-02-06 | PVC power tube deformation preventing capability testing device |
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| CN116296915A (en) | 2023-06-23 |
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Effective date of registration: 20231221 Address after: 410000 Northwest corner of the intersection of Qingcheng Road and Qingrong Road in Yuelu District, Changsha City, Hunan Province Applicant after: Hunan Xiangli Electric Power Installation Engineering Co.,Ltd. Address before: 225600 Guolou Taojia Group, Xiejia Town, Gaoyou City, Yangzhou City, Jiangsu Province Applicant before: Yangzhou Yuanrui Power Equipment Co.,Ltd. |
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