CN113218799B - Pipe wall wear resistance testing device for pipes - Google Patents
Pipe wall wear resistance testing device for pipes Download PDFInfo
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- CN113218799B CN113218799B CN202110337478.3A CN202110337478A CN113218799B CN 113218799 B CN113218799 B CN 113218799B CN 202110337478 A CN202110337478 A CN 202110337478A CN 113218799 B CN113218799 B CN 113218799B
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- 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
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic 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
Abstract
The invention provides a pipe wall wear resistance testing device for a pipe, which relates to the field of pipe performance testing equipment and comprises a base, wherein the top of the base is hinged with a rotary table, the top of the rotary table is fixedly connected with a rotary rod, the middle point of the rotary rod is superposed with the circle center of the rotary table, one end of the rotary rod is fixedly connected with a first sliding seat, the other end of the rotary rod is fixedly connected with a second sliding seat, and the outer side of the rotary table is provided with a circular sliding rail. This a pipe wall wear resistance testing arrangement for tubular product, when using, at first will measure the weight of experimental pipeline section with electronic balance, measure experimental pipeline section wall thickness with slide caliper, select the sucker rod material as the friction test block, according to tubular product body internal diameter size, the surface of processing friction test block is the curved surface to install on first mounting panel and the second mounting panel, open the electro-magnet, make the magnetic pole of electro-magnet orientation first permanent magnet one side different with the magnetic pole of first permanent magnet orientation electro-magnet one side.
Description
Technical Field
The invention relates to the technical field of pipe performance testing equipment, in particular to a pipe wall wear resistance testing device for a pipe.
Background
Wear is one of the three main causes of product failure. According to incomplete statistics, 1/3-1/2 of the energy is consumed by friction and abrasion. The failure analysis of the easily worn part shows that the main factors influencing the abrasion loss are the structure, the hardness and the toughness of the material. In order to reduce the huge loss caused by abrasion, a great deal of scientific and technological workers strive to overcome the problems, and the research and development of materials with reasonable structure, high hardness and high toughness are focused, so that a great number of wear-resistant materials with good performance are developed, such as alloy wear-resistant steel, alloy white cast iron, ceramic lining composite steel pipes, cast stone lining composite pipe steel pipes, rubber lining composite steel pipes and other various wear-resistant composite materials. The use of these wear-resistant materials opens up a wide prospect for reducing wear consumption, prolonging service life and reducing energy consumption.
According to the formula plastics tubular product wearability testing arrangement that chinese patent number was 201220006271.4 provided sways, this file includes the frame, its characterized in that the cooperation of frame bottom set up motor and motor control box, the cooperation sets up the power dish on the motor, the cooperation of frame middle part set up the bearing frame, the cooperation sets up the tubular product mount rather than rotating the connection be used for fixed tubular product on the bearing frame, still the cooperation sets up four buffer in the frame, respectively in the bearing frame both sides, the tubular product mount, be equipped with a set of tubular product fixed band for every tubular product, tubular product mount pass through the connecting rod transmission with the power dish and be connected.
However, the wear resistance testing device for the swing type plastic pipe provided in the document needs a long testing time, and if the testing time is short, the problem that the wear resistance degree is not obvious enough is caused, and the use is inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pipe wall wear resistance testing device for a pipe, which solves the problem that the traditional testing device provided in the background art has short testing time and can generate an unobvious wear resistance degree.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a pipe wall wear resistance testing arrangement for tubular product, the on-line screen storage device comprises a base, the top of base articulates there is the carousel, the top fixedly connected with rotary rod of carousel, the coincidence of the mid point of rotary rod and the centre of a circle of carousel, the first slide of one end fixedly connected with of rotary rod, the other end fixedly connected with second slide of rotary rod, the outside of carousel is provided with circular slide rail, the equal sliding fit of first slide and second slide is on circular slide rail, be provided with the wall grinding mechanism directly over the carousel, the outside cover of wall grinding mechanism is equipped with the tubular product body, the bilateral symmetry of tubular product body is provided with fixed establishment, and two fixed establishment set up respectively in the top of first slide and second slide.
Preferably, the base is cylindrical, and the turntable is hinged to the top center of the base.
Preferably, a rotating shaft is arranged in the base, the top end of the rotating shaft is fixedly connected with the turntable, the bottom end of the rotating shaft is hinged to the base, a first gear is fixedly connected to the rotating shaft, a motor is fixedly connected to the interior of the base, a second gear is fixedly connected to the top end of the motor, a transmission belt is sleeved outside the first gear and the second gear, and the first gear is in transmission connection with the second gear through the transmission belt.
Preferably, the top fixedly connected with horizontal pole of wall grinding mechanism, the equal fixedly connected with support column in both ends of horizontal pole, the bottom and the base fixed connection of support column.
Preferably, clamping mechanism includes mount pad, first hydraulic stem, second hydraulic stem, lift seat, pinch-off blades, slide bar, roof, the quantity of slide bar sets up to four, and four slide bars are vertical setting, and the bottom and the mount pad fixed connection of slide bar, the top and the roof fixed connection of slide bar, lift seat sliding fit is on the slide bar, first hydraulic stem is vertical to be set up between lift seat and mount pad, the top and the lift seat fixed connection of first hydraulic stem, the bottom and the mount pad fixed connection of first hydraulic stem, the second hydraulic stem is the level setting, and second hydraulic stem fixed connection is on the lift seat, the axis extension line of second hydraulic stem intersects with the axis extension line of carousel, fixedly connected with pinch-off blades on the output of second hydraulic stem, the pinch-off blades sets up to the arc, and the radian of pinch-off blades and the radian phase-match in the tubular product body outside.
Preferably, the inner side of the clamping plate is fixedly connected with an anti-slip pad, and anti-slip lines are arranged on the anti-slip pad.
Preferably, grind wall mechanism and include installation pole, electro-magnet, first trace, second trace, friction test piece, first mounting panel, second mounting panel, first permanent magnet, second permanent magnet, the installation pole is vertical setting, and the top and the horizontal pole fixed connection of installation pole, the both sides of installation pole symmetry respectively are provided with first mounting panel and second mounting panel, the shape of first mounting panel and second mounting panel is the arc, and the length of first mounting panel and second mounting panel all is greater than the length of tubular product body, the both ends of first mounting panel all articulate has first trace, and two first traces are parallel to each other, the one end that first mounting panel was kept away from to first trace is articulated with the installation pole, the both ends of second mounting panel all articulate has the second trace, and two second traces are parallel to each other, the one end that the second mounting panel was kept away from to the second trace is articulated with the installation pole, the equal fixed connection friction test piece in the outside of first mounting panel and the second permanent magnet radian is connected on the installation pole of first permanent magnet fixed connection the electro-magnet fixed connection is inboard towards one side of first permanent magnet.
Preferably, the electromagnets are arranged in a plurality of numbers, and the electromagnets are arranged at equal intervals.
(III) advantageous effects
The invention provides a pipe wall wear resistance testing device for a pipe. The method has the following beneficial effects:
1. when the pipe wall wear resistance testing device for the pipe is used, firstly, the weight of a test pipe section is measured by an electronic balance, the wall thickness of the test pipe section is measured by a vernier caliper, a sucker rod material is selected as a friction test block, the surface of the friction test block is processed to be a curved surface according to the inner diameter of a pipe body and is installed on a first installation plate and a second installation plate, an electromagnet is started, so that the magnetic pole of one side, facing the first permanent magnet, of the electromagnet is different from the magnetic pole of one side, facing the electromagnet, of the first permanent magnet, and the magnetic pole of one side, facing the electromagnet, of the second permanent magnet is different from the magnetic pole of one side, facing the electromagnet of the second permanent magnet, so that under the action of opposite pole attraction, the first installation plate and the second installation plate can move towards an installation rod until the first permanent magnet and the electromagnet are attracted, and the second permanent magnet and the other side of the electromagnet are attracted, at the moment, the test pipe section can be conveniently sleeved on the outer side with the friction test block, then the magnetic pole direction of the electromagnet is controlled to be reversed, the first permanent magnet and the second permanent magnet generate repulsion force under the action of homopolar repulsion, the friction test block on the outer sides of the first mounting plate and the second mounting plate is attached to the inner wall of the pipe body, the second hydraulic rod is opened, the second hydraulic rod extends to enable the two clamping plates to clamp and fix the outer side of the pipe body, the rotating speed of the motor is set to be forty circles per minute, the motor drives the rotary table to rotate, the rotary table drives the first sliding seat and the second sliding seat to move circumferentially on the circular sliding rail, meanwhile, the two first hydraulic rods synchronously reciprocate and contract and move, the first hydraulic rods drive the lifting seat to reciprocate up and down, the lifting seat drives the pipe body to reciprocate up and down through the second hydraulic rods, so that the pipe body can reciprocate up and down while rotating, the method comprises the following steps of starting a wear resistance test, observing the wear conditions of a friction test block and a test pipe section every two hours, changing the friction test block when the curved surface of the friction test block is smaller than one millimeter, stopping a motor after the test reaches a set time, taking out the test pipe section after an electromagnet is turned off, cleaning, drying and weighing, measuring the wall thickness of the wear part of the pipe section, calculating the mass change and the wall thickness change of the pipe section, and therefore the wear resistance of the pipe can be tested quickly and conveniently, the wear trace is obvious, the wear test duration is greatly accelerated, and the use is very convenient.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of a base structure according to the present invention;
FIG. 4 is a perspective view of the wall grinding mechanism of the present invention;
FIG. 5 is a front sectional view of the wall grinding mechanism of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5A according to the present invention.
In the figure: the device comprises a base 1, a circular sliding rail 2, a first sliding seat 3, a second sliding seat 4, a rotating rod 5, a rotating disk 6, a mounting seat 7, a first hydraulic rod 8, a clamping plate 9, a second hydraulic rod 10, a lifting seat 11, a supporting column 12, a top plate 13, a cross rod 14, a pipe body 15, a wall grinding mechanism 16, a sliding rod 17, a rotating shaft 18, a driving belt 19, a motor 20, a first gear 21, a second gear 22, a mounting rod 23, an electromagnet 24, a second mounting plate 25, a second linkage rod 26, a second linkage rod 27, a first mounting plate 28, a friction test block 29, a first permanent magnet 30 and a second permanent magnet 31.
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.
The embodiment of the invention provides a pipe wall wear resistance testing device for a pipe, which comprises a base 1, wherein the top of the base 1 is hinged with a rotary table 6, the top of the rotary table 6 is fixedly connected with a rotary rod 5, the middle point of the rotary rod 5 is superposed with the circle center of the rotary table 6, one end of the rotary rod 5 is fixedly connected with a first sliding seat 3, the other end of the rotary rod 5 is fixedly connected with a second sliding seat 4, the outer side of the rotary table 6 is provided with a circular sliding rail 2, the first sliding seat 3 and the second sliding seat 4 are in sliding fit with the circular sliding rail 2, a wall grinding mechanism 16 is arranged right above the rotary table 6, the outer side of the wall grinding mechanism 16 is sleeved with a pipe body 15, two sides of the pipe body 15 are symmetrically provided with fixing mechanisms, and the two fixing mechanisms are respectively arranged at the tops of the first sliding seat 3 and the second sliding seat 4.
The base 1 is cylindrical, and the turntable 6 is hinged to the top center of the base 1.
Be provided with rotation axis 18 in the base 1, the top and the carousel 6 fixed connection of rotation axis 18, the bottom of rotation axis 18 is articulated with base 1, the first gear 21 of fixedly connected with on the rotation axis 18, fixedly connected with motor 20 in the base 1, the top fixedly connected with second gear 22 of motor 20, the outside cover of first gear 21 and second gear 22 is equipped with drive belt 19, first gear 21 passes through drive belt 19 and is connected with the transmission of second gear 22.
The top of the wall grinding mechanism 16 is fixedly connected with a cross rod 14, two ends of the cross rod 14 are fixedly connected with supporting columns 12, and the bottoms of the supporting columns 12 are fixedly connected with the base 1.
The clamping mechanism comprises a mounting seat 7, first hydraulic rods 8, second hydraulic rods 10, a lifting seat 11, a clamping plate 9, slide rods 17 and a top plate 13, the number of the slide rods 17 is four, the four slide rods 17 are arranged vertically, the bottom of each slide rod 17 is fixedly connected with the mounting seat 7, the top of each slide rod 17 is fixedly connected with the top plate 13, the lifting seat 11 is in sliding fit on the corresponding slide rod 17, the first hydraulic rods 8 are vertically arranged between the lifting seat 11 and the mounting seat 7, the top ends of the first hydraulic rods 8 are fixedly connected with the lifting seat 11, the bottom of each first hydraulic rod 8 is fixedly connected with the mounting seat 7, the second hydraulic rods 10 are horizontally arranged, the second hydraulic rods 10 are fixedly connected onto the lifting seat 11, the axis extension lines of the second hydraulic rods 10 are intersected with the axis extension lines of the rotary table 6, the clamping plate 9 is fixedly connected onto the output end of the second hydraulic rods 10, the clamping plate 9 is arranged as an arc-shaped plate, and the radian of the clamping plate 9 is matched with the radian of the outer side of the pipe body 15.
The inboard fixedly connected with slipmat of clamp plate 9, and seted up anti-skidding line on the slipmat.
When in use, firstly, the weight of a test pipe section is measured by an electronic balance, the wall thickness of the test pipe section is measured by a vernier caliper, a sucker rod material is selected as a friction test block 29, the surface of the friction test block 29 is processed to be a curved surface according to the inner diameter of the pipe body 15, the friction test block is installed on a first installation plate 28 and a second installation plate 25, the electromagnet 24 is started, so that the magnetic pole of the electromagnet 24 facing to one side of the first permanent magnet 30 is different from the magnetic pole of the first permanent magnet 30 facing to one side of the electromagnet 24, and because the magnetic pole of the first permanent magnet 30 facing to one side of the electromagnet 24 is different from the magnetic pole of the second permanent magnet 31 facing to one side of the electromagnet 24, under the action of opposite pole attraction, the first installation plate 28 and the second installation plate 25 can move towards the installation rod 23 until the first permanent magnet 30 and the electromagnet 24 are attracted, and the second permanent magnet 31 is attracted to the other side of the electromagnet 24, at this time, the test tube section can be conveniently sleeved on the outer side with the friction test block 29, then the magnetic pole direction of the electromagnet 24 is controlled to be reversed, the first permanent magnet 30 and the second permanent magnet 31 generate repulsive force under the action of homopolar repulsion, the friction test block 29 on the outer sides of the first mounting plate 28 and the second mounting plate 25 is attached to the inner wall of the tube body 15, the second hydraulic rod 10 is opened, the second hydraulic rod 10 extends to enable the two clamping plates 9 to clamp and fix the outer side of the tube body 15, the rotating speed of the motor 20 is set to be forty circles per minute, the motor 20 drives the rotary disc 6 to rotate, the rotary disc 6 drives the first sliding seat 3 and the second sliding seat 4 to move circumferentially on the circular sliding rail 2, meanwhile, the two first hydraulic rods 8 synchronously contract in a reciprocating mode, the first hydraulic rod 8 drives the lifting seat 11 to reciprocate up and down, the lifting seat 11 drives the tube body 15 to reciprocate up and down through the second hydraulic rod 10, thereby make tubular product body 15 carry out up-and-down reciprocating motion in rotatory, begin the wear resistance test, the wearing and tearing condition of friction test block 29 and experimental tube section is observed every two hours, when the curved surface of friction test block 29 is less than one millimeter, change friction test block 29, after experimental arrival settlement time, stop motor 20, take out experimental tube section after closing electro-magnet 24, wash and dry and weigh, and measure the wall thickness of tube section wearing and tearing department, calculate the mass change and the wall thickness change of tube section, thereby can be fast convenient test the wear resistance of tubular product, and the use is very convenient.
The electromagnet 24 is provided in plurality, and the plurality of electromagnets 24 are arranged at equal intervals.
The working principle is as follows: when in use, firstly, the weight of a test pipe section is measured by an electronic balance, the wall thickness of the test pipe section is measured by a vernier caliper, a sucker rod material is selected as a friction test block 29, the surface of the friction test block 29 is processed to be a curved surface according to the inner diameter of the pipe body 15, the friction test block is installed on a first installation plate 28 and a second installation plate 25, the electromagnet 24 is started, so that the magnetic pole of the electromagnet 24 facing to one side of the first permanent magnet 30 is different from the magnetic pole of the first permanent magnet 30 facing to one side of the electromagnet 24, and because the magnetic pole of the first permanent magnet 30 facing to one side of the electromagnet 24 is different from the magnetic pole of the second permanent magnet 31 facing to one side of the electromagnet 24, under the action of opposite pole attraction, the first installation plate 28 and the second installation plate 25 can move towards the installation rod 23 until the first permanent magnet 30 and the electromagnet 24 are attracted, and the second permanent magnet 31 is attracted to the other side of the electromagnet 24, then, a test tube section can be conveniently sleeved on the outer side with a friction test block 29, then the magnetic pole direction of the electromagnet 24 is controlled to be reversed, the first permanent magnet 30 and the second permanent magnet 31 generate repulsive force under the action of repulsion of like poles, the friction test block 29 on the outer side of the first mounting plate 28 and the outer side of the second mounting plate 25 is attached to the inner wall of the tube body 15, the second hydraulic rod 10 is opened, the second hydraulic rod 10 extends to enable the two clamping plates 9 to clamp and fix the outer side of the tube body 15, the rotating speed of the motor 20 is set to be forty circles per minute, the motor 20 drives the rotary disc 6 to rotate, the rotary disc 6 drives the first sliding seat 3 and the second sliding seat 4 to move circumferentially on the circular sliding rail 2, meanwhile, the two first hydraulic rods 8 synchronously reciprocate to move, the first hydraulic rod 8 drives the lifting seat 11 to reciprocate up and down, the lifting seat 11 drives the tube body 15 to reciprocate up and down through the second hydraulic rod 10, thereby make tubular product body 15 carry out up-and-down reciprocating motion in rotatory, begin the wear resistance test, observe the wearing and tearing condition of friction test block 29 and test tube section every two hours, when the curved surface of friction test block 29 is less than a millimeter, change friction test block 29, experimental arrival set time back, stop motor 20, take out the test tube section after closing electro-magnet 24, wash and dry and weigh, and measure the pipe section wearing and tearing department wall thickness, calculate the mass change and the wall thickness change of pipe section, thereby can be fast convenient test the wear resistance of tubular product, and the use is very convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pipe wall wear resistance testing arrangement for tubular product, includes base (1), its characterized in that: the pipe grinding machine is characterized in that a rotary table (6) is hinged to the top of the base (1), a rotary rod (5) is fixedly connected to the top of the rotary table (6), the middle point of the rotary rod (5) coincides with the circle center of the rotary table (6), a first sliding seat (3) is fixedly connected to one end of the rotary rod (5), a second sliding seat (4) is fixedly connected to the other end of the rotary rod (5), a circular sliding rail (2) is arranged on the outer side of the rotary table (6), the first sliding seat (3) and the second sliding seat (4) are matched with the circular sliding rail (2) in a sliding mode, a wall grinding mechanism (16) is arranged right above the rotary table (6), a pipe body (15) is sleeved on the outer side of the wall grinding mechanism (16), fixing mechanisms are symmetrically arranged on two sides of the pipe body (15), and are respectively arranged at the tops of the first sliding seat (3) and the second sliding seat (4);
the clamping mechanism comprises a mounting seat (7), four sliding rods (17), four sliding rods (10), a lifting seat (11), a clamping plate (9), sliding rods (17) and a top plate (13), the number of the sliding rods (17) is four, the four sliding rods (17) are vertically arranged, the bottoms of the sliding rods (17) are fixedly connected with the mounting seat (7), the top of each sliding rod (17) is fixedly connected with the top plate (13), the lifting seat (11) is in sliding fit with the corresponding sliding rod (17), the first hydraulic rod (8) is vertically arranged between the lifting seat (11) and the mounting seat (7), the top end of the first hydraulic rod (8) is fixedly connected with the lifting seat (11), the bottom of the first hydraulic rod (8) is fixedly connected with the mounting seat (7), the second hydraulic rod (10) is horizontally arranged, the second hydraulic rod (10) is fixedly connected with the lifting seat (11), the axis of the second hydraulic rod (10) is intersected with the extension line of the rotary table (6), the radian of the second hydraulic rod (10) is matched with the clamping plate (9), and the radian of the clamping plate (9) is matched with the outer side of the clamping plate (15);
grind wall mechanism (16) including installation pole (23), electro-magnet (24), first trace (27), second trace (26), friction test block (29), first mounting panel (28), second mounting panel (25), first permanent magnet (30), second permanent magnet (31), installation pole (23) are vertical setting, and the top and horizontal pole (14) fixed connection of installation pole (23), the both sides of installation pole (23) are the symmetry respectively and are provided with first mounting panel (28) and second mounting panel (25), the shape of first mounting panel (28) and second mounting panel (25) is the arc, and the length of first mounting panel (28) and second mounting panel (25) all is greater than the length of tubular product body (15), the both ends of first mounting panel (28) all articulate first trace (27), and two first traces (27) are parallel to each other, the one end that first mounting panel (28) was kept away from to first trace (27) is articulated with installation pole (23), the two equal end of second mounting panel (25) are articulated with second mounting panel (26), the two first trace (26) are connected each other the second trace (26), the first trace (25) and the second mounting panel (25) are articulated with the one end of second mounting panel (26), the installation pole (25) is articulated each other, the one end of first trace (26) is articulated 29 The radian of the outer side of the friction test block (29) is matched with the radian of the inner wall of the pipe body (15), the electromagnet (24) is fixedly connected to the mounting rod (23), the first permanent magnet (30) is fixedly connected to the inner side of the first mounting plate (28), the second permanent magnet (31) is fixedly connected to the inner side of the second mounting plate (25), and the magnetic pole of one side, facing the electromagnet (24), of the first permanent magnet (30) is different from the magnetic pole of one side, facing the electromagnet (24), of the second permanent magnet (31);
when the pipe friction test block is used, firstly, the weight of a test pipe section is measured by an electronic balance, the wall thickness of the test pipe section is measured by a vernier caliper, a sucker rod material is selected as a friction test block (29), the surface of the friction test block (29) is processed to be a curved surface according to the size of the inner diameter of the pipe body (15), the friction test block is installed on a first installation plate (28) and a second installation plate (25), an electromagnet (24) is started, so that the magnetic pole of one side, facing the first permanent magnet (30), of the electromagnet (24) is different from the magnetic pole of one side, facing the electromagnet (24), of the first permanent magnet (30) and the magnetic pole of one side, facing the electromagnet (24), of the second permanent magnet (31) are different from the magnetic pole of one side, facing the electromagnet (24), so that under the action of heteropolar attraction, the first installation plate (28) and the second installation plate (25) can move towards the installation rod (23) until the first permanent magnet (30) and the electromagnet (24) attract each other, the second permanent magnet (31) and the electromagnet (24) attract each other, the test block is sleeved on the outer side of the friction test block (29), the test block, the outer side of the test pipe section is controlled by the repulsion force of the first permanent magnet (24) and the second permanent magnet (15), and the inner wall of the second installation plate (24), and the pipe body (15), and the pipe friction test block (24) are attached, the method comprises the steps that a second hydraulic rod (10) is opened, the second hydraulic rod (10) extends to enable two clamping plates (9) to clamp and fix the outer side of a pipe body (15), the rotating speed of a motor (20) is set to be forty circles per minute, the motor (20) drives a rotary disc (6) to rotate, the rotary disc (6) drives a first sliding seat (3) and a second sliding seat (4) to do circular motion on a circular sliding rail (2), meanwhile, the two first hydraulic rods (8) do synchronous reciprocating contraction motion, the first hydraulic rods (8) drive a lifting seat (11) to do up-and-down reciprocating motion, the lifting seat (11) drives the pipe body (15) to do up-and-down reciprocating motion through the second hydraulic rods (10), so that the pipe body (15) does up-and-down reciprocating motion while rotating, a wear resistance test is started, the wear conditions of a friction test block (29) and a test pipe section are observed every two hours, when the curved surface of the friction test block (29) is smaller than one millimeter, the friction test block (29) is replaced, the motor (20) is stopped after the test reaches a set time, the electromagnet is closed, the wear of the test block (24), the test is taken out, the wall thickness is cleaned, the drying position is weighed, and the change of the pipe section is measured, and the change of the pipe section is calculated.
2. The pipe wall wear resistance testing device for the pipe material according to claim 1, characterized in that: the base (1) is cylindrical, and the rotary table (6) is hinged to the center of the top of the base (1).
3. The pipe wall wear resistance testing device for the pipe material according to claim 2, characterized in that: be provided with rotation axis (18) in base (1), the top and carousel (6) fixed connection of rotation axis (18), the bottom and base (1) of rotation axis (18) are articulated, first gear (21) of fixedly connected with on rotation axis (18), fixedly connected with motor (20) in base (1), the top fixedly connected with second gear (22) of motor (20), the outside cover of first gear (21) and second gear (22) is equipped with drive belt (19), first gear (21) are connected with second gear (22) transmission through drive belt (19).
4. The pipe wall wear resistance testing device for the pipe material according to claim 3, wherein: the top fixedly connected with horizontal pole (14) of wall grinding mechanism (16), the equal fixedly connected with support column (12) in both ends of horizontal pole (14), the bottom and base (1) fixed connection of support column (12).
5. The pipe wall wear resistance testing device for the pipe material according to claim 4, characterized in that: the inner side of the clamping plate (9) is fixedly connected with an anti-slip mat, and anti-slip grains are arranged on the anti-slip mat.
6. The pipe wall wear resistance testing device for the pipe material according to claim 5, characterized in that: the electromagnets (24) are arranged in a plurality, and the electromagnets (24) are arranged at equal intervals.
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