CN103207124A - System and method for testing wear resistance of tubing - Google Patents
System and method for testing wear resistance of tubing Download PDFInfo
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- CN103207124A CN103207124A CN2013100714492A CN201310071449A CN103207124A CN 103207124 A CN103207124 A CN 103207124A CN 2013100714492 A CN2013100714492 A CN 2013100714492A CN 201310071449 A CN201310071449 A CN 201310071449A CN 103207124 A CN103207124 A CN 103207124A
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Abstract
The invention discloses a system and a method for testing wear resistance of tubing. The system comprises a driving motor, a crankshaft connecting rod mechanism, connecting wedges, at least one guide wheel, at least one support rod, at least two spring pressurizing mechanisms, at least one friction test block and a fixing frame, wherein the driving motor is connected with the crankshaft connecting rod mechanism, the crankshaft connecting rod mechanism is connected with the support rods through the connecting wedges, the guide wheels are fixed on a worktable and movably connected with the crankshaft connecting rod mechanism, the friction test blocks are fixed below the support rods, one end of each spring pressurizing mechanism is connected with the fixing frame, and the other end of each spring pressurizing mechanism is movably connected with the support rods. The invention further discloses a method for testing wear resistance of tubing by the system. The system and the method for testing wear resistance of tubing have the advantages that the method for testing is reasonable in design, testing devices are simple in structures, operation is convenient, quickness and visualization are achieved, and testing efficiency can be effectively improved.
Description
Technical field
The present invention relates to the pipe performance technical field of measurement and test, particularly a kind of system and method for testing the tubing anti-wear performance.
Background technology
Wearing and tearing are three one of the main reasons of product failure.According to incompletely statistics, 1/3～1/2 of the energy be consumed in friction, wearing and tearing.The vulnerable part failure analysis is found that with regard to material itself, the principal element that influences the wear extent size is tissue, hardness and toughness.In order to reduce the massive losses that wearing and tearing cause, numerous scientific workers make great efforts tackling key problem, put forth effort on existing rationalization and high rigidity, again the development of high tenacity material arranged, a lot of well behaved high-abrasive materials have been developed, as various wearing composite materials such as alloy abrasion resistant steel, alloy white cast iron and ceramic-lined composite steel tube, cast stone inner liner compound pipe steel pipe, rubber liner composite steel tubes.The use of these high-abrasive materials improves serviceable life for reducing attrition, reduces energy resource consumption and has opened up wide prospect.
Yet for the high-abrasive material especially evaluation of wear-resistant tubing wear resistance, great majority go simulation to characterize with pat at present.As the evaluation for the ultrahigh molecular weight polyethylene tubing abrasion resistance properties, QB/T2668-2004 appendix B proposes to adopt mortar rate of wear test method, its principle is that the sample of certain mass and shape is put into the container that mortar is housed, by certain rotational speed sample, sample and mortar produce relative motion and wear and tear.Behind the certain hour, measure sample mass and lose the characterization sample anti-wear performance.This method is had relatively high expectations for the preparation of pat, and in rotary course, and very easily landing of sample has a strong impact on the degree of accuracy of test.In addition, tubing only has inwall to produce wearing and tearing when pumped (conveying) medium, and this test method is worn and torn to each surface of sample, can not simulate the wear-resisting behavior of carrying tubing fully.
SY/T0065-2000 adopts drum process testing conduit anticorrosive coat anti-wear performance, and ultimate principle is to adopt the swing roller of horizontal positioned, in the tube wearability slurry and test specimen is housed, and stretch out outside the cylinder at the test specimen two ends, and insulate with cylinder.During the cylinder rotation, the slurry in the tube and test specimen produce relative motion, thereby make pipeline anticorrosion coating produce wearing and tearing, judge the anticorrosive coat relative wear resistance by the resistance value between periodic measurement test specimen and cylinder.This method is less demanding to sample, and has simulated the pipe material inner wall abrasional behavior to a certain extent, but complicated operation, degree of accuracy are low.Simultaneously, this method only can increase the tubing degree of wear by prolonging the test duration, makes test period prolong significantly.
Summary of the invention
Technical matters to be solved by this invention provides a kind of system and method that can improve the test tubing anti-wear performance of abrasion test efficient.
For solving the problems of the technologies described above, one aspect of the present invention provides a kind of system that tests the tubing anti-wear performance, it is characterized in that, comprising:
Drive motor, toggle, connection voussoir, at least one angle sheave, at least one support bar, at least two spring pressure exerting arrangements, at least one friction test block and fixed mount;
Described drive motor is connected with described toggle, is used for driving described toggle and moves reciprocatingly;
Described toggle is connected with described support bar by described connection voussoir, is used for driving described support bar and moves reciprocatingly;
Described support bar is used for driving described friction test block and moves reciprocatingly;
Described angle sheave is fixed on the worktable by holder, and flexibly connects with described toggle, is used for control toggle drive support bar and does straight reciprocating motion;
Described friction test block is fixed on support bar below, closely contacts with test section inside surface on being fixed on worktable, is used for the test section inside surface is rubbed;
Described spring pressure exerting arrangement one end is connected with described fixed mount, the other end and described support bar flexibly connect, described spring pressure exerting arrangement is used for adjusting the friction force between friction test block and the test section, makes the even stressed wearing and tearing of test section, effectively prevents the generation of eccentric wear phenomenon.
Further, the system of described test tubing anti-wear performance, described spring pressure exerting arrangement comprises:
Back shaft, spring, nut, roller and U-shaped frame;
Described back shaft is plugged on the crossbeam of described fixed mount, and upper end and described nut be spirally connected, and described back shaft is by adjusting the upper and lower motion of described nut;
Described spring housing is connected on the described back shaft, and fixedlys connected with described back shaft bottom in the bottom;
Described U-shaped frame is fixedlyed connected with described back shaft bottom, and described U-shaped frame and described roller flexibly connect;
Described roller and described support bar flexibly connect.
Further, the system of described test tubing anti-wear performance also comprises:
At least one cooling device, described cooling device is arranged on test section the place ahead, and described cooling device is provided with the liquid coolant mouth of pipe, described liquid coolant mouth of pipe alignment test pipeline section.
Further, the system of described test tubing anti-wear performance also comprises:
At least one V-block and at least one pressing plate, described V-block is used for placing test section, described pressing plate is used for compressing test section, test section is fixed on the worktable, the quantity of described V-block, pressing plate equates that with the quantity of experiment pipeline section the quantity of described test section equates with the quantity of support bar and cooling device.
Further, the size of described friction test block, shape and material are adjusted according to test specimen, to realize under the different working conditions simulation to the wear-resisting situation of various sample.
Another aspect of the present invention provides a kind of method that adopts the system testing tubing anti-wear performance of above-mentioned test tubing anti-wear performance, it is characterized in that, comprising:
Internal diameter, thickness and weight to test section are measured;
The test block that will rub is fixed on the support bar;
Test section is socketed in the end that support bar is provided with the friction test block, and adjusts the high and low position of test section with V-block, test section inside surface and friction test block curved surface are fitted fully after, adopt pressing plate to compress test section;
Adjust the spring pressure exerting arrangement according to pressure set points, thereby make the friction force between friction test block and the test section reach setting value;
Set motor speed, the test of beginning anti-wear performance;
After test arrives setting-up time, stop motor driver and cooling device, test section is taken out, cleaning, drying is weighed, and measurement pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section, simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
Further, when carrying out the anti-wear performance test, observe the abrasion condition of friction test block and test section, when friction test block both sides are milled to smaller or equal to 1mm, the friction test block is changed.
Further, the size of described friction test block, shape and material are adjusted according to test specimen, to realize under the different working conditions simulation to the wear-resisting situation of various sample.
Further, described method also comprises:
Before the test of beginning anti-wear performance, cooling device is arranged on test section the place ahead, make liquid coolant mouth of pipe alignment test pipeline section, described test section is cooled off.
Further, described when adjusting the spring pressure exerting arrangement according to pressure set points, according to the contrast relationship of spring displacement and pressure, turn nut and drive the upper and lower movement of back shaft, make the displacement of spring reach setting value, thereby make the pressure of correspondence reach pressure set points.
A kind of system and method for testing the tubing anti-wear performance provided by the invention, by adjusting motor speed, add the spring pressure exerting arrangement, disposing cooling device etc., realize in the wear test course control to speed, pressure and temperature, effectively improved tubing wear test efficient, and can be under the situation that adopts a drive motor, adopt one or more sets Wear System, realization time test to one or more pipeline section, when raising the efficiency the saving energy, also guaranteed the contrast property of test result.
Description of drawings
The structural representation of the system of the test tubing anti-wear performance that Fig. 1 provides for the embodiment of the invention one;
Fig. 2 is the structural representation of structure medi-spring pressure exerting arrangement shown in Figure 1.
Embodiment
A kind of system that tests the tubing anti-wear performance that the embodiment of the invention provides, comprise: drive motor, toggle, angle sheave, at least one support bar, at least two spring pressure exerting arrangements, at least one cooling device, at least one friction test block, at least one V-block, at least one pressing plate, connection voussoir and fixed mounts.The quantity of V-block, pressing plate equates that with the quantity of experiment pipeline section the quantity of test section equates with the quantity of support bar and cooling device.Wherein, a support bar, a cooling device, two spring pressure exerting arrangements and a friction test block constitute a cover Wear System.Drive motor is connected with toggle, is used for driving toggle and moves reciprocatingly; Toggle is connected with support bar by connecting voussoir, is used for driving support bar and moves reciprocatingly; Support bar is used for driving the friction test block and moves reciprocatingly; Angle sheave is fixed on the worktable by holder, and flexibly connects with toggle, is used for control toggle drive support bar and does straight reciprocating motion; The friction test block is fixed on support bar below, closely contacts with test section inside surface on being fixed on worktable, is used for the test section inside surface is rubbed.Spring pressure exerting arrangement one end is connected with described fixed mount, and the other end and described support bar flexibly connect, and the spring pressure exerting arrangement is used for adjusting the friction force between friction test block and the test section, makes the even stressed wearing and tearing of test section, effectively prevents the generation of eccentric wear phenomenon.Fixed mount is fixedly installed on the worktable.The spring pressure exerting arrangement comprises spring, roller, back shaft, nut and U-shaped frame, and back shaft is plugged on the crossbeam of fixed mount, and upper end and nut be spirally connected, and back shaft is by adjusting the upper and lower motion of nut; Spring housing is connected on the back shaft, and fixedlys connected with the back shaft bottom in the bottom; U-shaped frame is fixedlyed connected with the back shaft bottom, and roller and U-shaped frame flexibly connect; Roller and support bar flexibly connect.Drive the displacement that the upper and lower movement of support bar changes spring by adjusting nut, thereby change the spring pressure exerting arrangement to the force value of support bar, and then change the friction test block that is arranged on the support bar and the friction force between the test section.Cooling device comprises ebullator, sebific duct, liquid storage tank, support and cooling spray; Liquid storage tank links to each other by sebific duct with ebullator, and is fixed on the worktable below; Ebullator links to each other by sebific duct with cooling spray, and is fixed on the support of worktable; Cooling spray alignment test pipeline section.After starting ebullator, the liquid coolant in the liquid storage tank is sprayed at the test section friction area by sebific duct and cooling spray, and liquid storage tank is returned along sebific duct in the groove hole on the worktable of flowing through subsequently, and then forms closed circuit.
Motor rotating disk on the drive motor cooperates with toggle, drives support bar by angle sheave control toggle during rotation and does linear reciprocating motion.The friction test block is fixed on reciprocating support bar below, closely contacts with the test section inside surface, reaches the effect of abrasion test.Above the support bar of test section both sides, added the spring pressure exerting arrangement, can increase the friction force between friction test block and the test section, and can guarantee the even stressed wearing and tearing of tubing.Liquid coolant has improved abrasion test efficient by between cooling device engaging friction test block and the test section in cooling.
The method of the system testing tubing anti-wear performance of the above-mentioned test tubing of employing provided by the invention anti-wear performance comprises:
Step S1: internal diameter, thickness and weight to test section are measured;
Step S2: the test block that will rub is fixed on the support bar;
Step S3: test section is socketed in the end that support bar is provided with the friction test block, and adjusts the high and low position of test section with V-block, test section inside surface and friction test block curved surface are fitted fully after, adopt pressing plate to compress test section;
Step S4: adjust the spring pressure exerting arrangement according to pressure set points, thereby make the friction force between friction test block and the test section reach setting value; When adjusting the spring pressure exerting arrangement according to pressure set points, according to the contrast relationship of spring displacement and pressure, turn nut and drive the upper and lower movement of back shaft, make the displacement of spring reach setting value, thereby make corresponding pressure reach pressure set points.
Step S5: set motor speed, the test of beginning anti-wear performance; Before the test of beginning anti-wear performance, cooling device is arranged on test section the place ahead, make liquid coolant mouth of pipe alignment test pipeline section, test section is cooled off.When carrying out the anti-wear performance test, observe the abrasion condition of friction test block and test section, when friction test block both sides are milled to smaller or equal to 1mm, the friction test block is changed.
Step S6: size, shape and the material of friction test block are adjusted according to test specimen, to realize under the different working conditions simulation to the wear-resisting situation of various sample.
Step S7: after test arrives setting-up time, stop motor driver and cooling device, test section is taken out, cleaning, drying is weighed, and measurement pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section, simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
Below in conjunction with specific embodiment the system of test tubing anti-wear performance provided by the invention is tested different tubing anti-wear performances and to be described further.
Embodiment one:
Referring to Fig. 1, Fig. 2, a kind of system that tests the tubing anti-wear performance that the embodiment of the invention provides comprises drive motor 1, toggle 2, angle sheave 3, two Wear System, two V-block (not shown)s, two pressing plate (not shown)s, connection voussoir 11 and fixed mounts 19.Two Wear System comprise: two support bars 4, four spring pressure exerting arrangements 5, two cooling devices 6 and two friction test blocks 7.Wherein the driving rotating disk 1 of drive motor is connected with an end of toggle 2, and the other end of toggle 2 is fixed on and connects on the voussoir 11.Angle sheave 3 is fixed on the worktable by holder 12.Two support bar 4 equally spaced being fixed on connect on the voussoir 11, and are socketed with test section 8 respectively on two support bars 4.Spring pressure exerting arrangement 5 comprises spring 9, roller 10, back shaft 17, nut and U-shaped frame 18, and four spring pressure exerting arrangements 5 are divided into two groups, two spring pressure exerting arrangements 5 are arranged on wherein test section 8 both sides of a support bar 4, other two spring pressure exerting arrangements 5 are arranged on test section 8 both sides of another root support bar 4, and wherein two cooling devices 6 are separately positioned on and are socketed in two test section 8 the place aheads on the support bar 4.Two V-blocks are placed on the test section bottom respectively, and pressing plate covers on the test section, and both sides are connected with stationary table by bolt.
When adopting the anti-wear performance of system testing plain carbon steel tubing of above-mentioned test tubing anti-wear performance, concrete steps are as follows:
(1) sample is prepared: intercepted length is the test section of 100mm, and to its outer wall anticorrosion with painting lacquer; (2) sample measurement: with the weight of electronic balance (precision 0.1g) measurement test section, with vernier caliper measurement test section wall thickness; (3) the friction test block is selected and installed: select material of sucker rod 20CrMoA as the friction test block, according to test section internal diameter size, processing friction test block lower surface is curved surface, and is installed on the support bar; (4) sample is installed: test section is inserted in has the support bar of test block that rub, and place on the V-block, the employing pressing plate compresses pipeline section.Adjust the pipeline section position up and down, its inside surface and friction test block curved surface are fitted fully; (5) according to spring displacement and pressure contrast relationship, in conjunction with testing requirements, the pressure of adjusting both sides, developmental tube front and back spring is 20kg; (6) add cooling device: the liquid coolant mouth of pipe is placed test section the place ahead, and the ON cycle pump cools off; (7) begin test: the setting motor speed is 26r/min, the test of beginning anti-wear performance; (8) record and observe: (6) observed the abrasion condition of friction test block and test section in per 4 hours, when the curved surface left and right sides of test block planar section during less than 1mm, changed the friction test block.Should observe the displacement situation of spring simultaneously, carry out trace adjustment in good time, when guaranteeing in working order, spring is in constant compression force; (9) off-test: behind the test arrival setting-up time (being generally 100 hours), stop motor driven systems and cooling device, behind the elimination spring pressure test section is taken out, cleaning, drying is weighed, and measure pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section.Simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
Embodiment two:
When adopting the anti-wear performance of system testing ceramic-lined composite steel tube of the test tubing anti-wear performance that embodiment one provides, concrete steps are as follows:
(1) sample is prepared: intercepted length is the test section of 50mm, and to its outer wall anticorrosion with painting lacquer; (2) sample measurement: with the weight of electronic balance (precision 0.1g) measurement test section, with vernier caliper measurement test section wall thickness; (3) the friction test block is selected and installed: select material of sucker rod XSYD as the friction test block, according to test section internal diameter size, processing friction test block lower surface is curved surface, and is installed on the support bar; (4) sample is installed: test section is inserted in has the support bar of test block that rub, and place on the V-block, the employing pressing plate compresses pipeline section.Adjust the pipeline section position up and down, its inside surface and friction test block curved surface are fitted fully; (5) according to spring displacement and pressure contrast relationship, in conjunction with testing requirements, the pressure of adjusting both sides, developmental tube front and back spring is 30kg; (6) add cooling device: the liquid coolant mouth of pipe is placed test section the place ahead, and the ON cycle pump cools off; (7) begin test: the setting motor speed is 35r/min, the test of beginning anti-wear performance; (8) record and observe: observed the abrasion condition of friction test block and test section in per 2 hours, when the curved surface left and right sides of test block planar section during less than 1mm, change the friction test block.Should observe the displacement situation of spring simultaneously, carry out trace adjustment in good time, when guaranteeing in working order, spring is in constant compression force; (9) off-test: behind the test arrival setting-up time (being generally 150-200 hour), stop motor driven systems and cooling device, behind the elimination spring pressure test section is taken out, cleaning, drying is weighed, and measure pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section.Simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
Embodiment three:
When adopting the anti-wear performance of system testing ultrahigh molecular weight polyethylene tubing of the test tubing anti-wear performance that embodiment one provides, concrete steps are as follows:
(1) sample is prepared: intercepted length is the test section of 100mm; (2) sample measurement: with the weight of electronic balance (precision 0.001g) measurement test section, with vernier caliper measurement test section wall thickness; (3) the friction test block is selected and installed: select material of sucker rod XSYD as the friction test block, according to test section internal diameter size, processing friction test block lower surface is curved surface, and is installed on the support bar; (4) sample is installed: test section is inserted in has the support bar of test block that rub, and place on the V-block, the employing pressing plate compresses pipeline section.Adjust the pipeline section position up and down, its inside surface and friction test block curved surface are fitted fully; (5) according to spring displacement and pressure contrast relationship, in conjunction with testing requirements, the pressure of adjusting both sides, developmental tube front and back spring is 10kg; (6) add cooling device: the liquid coolant mouth of pipe is placed test section the place ahead, and the ON cycle pump cools off; (7) begin test: the setting motor speed is 20r/min, the test of beginning anti-wear performance; (8) record and observe: observed the abrasion condition of friction test block and test section in per 8 hours, when the curved surface left and right sides of test block planar section during less than 1mm, change the friction test block.Should observe the displacement situation of spring simultaneously, carry out trace adjustment in good time, when guaranteeing in working order, spring is in constant compression force; (9) off-test: behind the test arrival setting-up time (being generally 10-50 hour), stop motor driven systems and cooling device, after eliminating spring pressure test section is taken out, cleaning, drying is weighed, and measurement pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section, simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
Embodiment four:
The difference of present embodiment and embodiment one is, the system of the test tubing anti-wear performance that present embodiment provides comprises three cover Wear System, three V-blocks and three briquettings, i.e. three support bars, three cooling devices, six spring pressure exerting arrangements and three friction test blocks.The system of the test tubing anti-wear performance that the employing present embodiment provides can test three test sections simultaneously.
Embodiment five:
The difference of present embodiment and embodiment one is, the system of the test tubing anti-wear performance that present embodiment provides comprises five cover Wear System, five V-blocks and five briquettings, i.e. five support bars, five cooling devices, ten spring pressure exerting arrangements and five friction test blocks.The system of the test tubing anti-wear performance that the employing present embodiment provides can test five test sections simultaneously.
Embodiment six:
The difference of present embodiment and embodiment one is, the system of the test tubing anti-wear performance that present embodiment provides, an employing wherein cover Wear System is tested the anti-wear performance of plain carbon steel tubing, adopt another set of Wear System that the anti-wear performance of ceramic-lined composite steel tube is tested, material of sucker rod XSYD is all selected in the test block that wherein rubs for use, the pressure of adjusting both sides, developmental tube front and back spring is 30kg, set motor speed and be 35r/min, test period is 100 hours, by setting same test condition two kinds of different tubing are carried out abrasion test, thereby obtain the anti-wear performance comparing result of two kinds of tubing.
Embodiment seven:
The difference of present embodiment and embodiment one is, the system of the test tubing anti-wear performance that present embodiment provides, adopt the first cover Wear System that the anti-wear performance of plain carbon steel tubing is tested, adopt the second cover Wear System that the anti-wear performance of ceramic-lined composite steel tube is tested, adopt the 3rd cover Wear System to the anti-wear performance of ultrahigh molecular weight polyethylene tubing the test block that wherein rubs all select material of sucker rod XSYD for use, the pressure of adjusting both sides, developmental tube front and back spring is 30kg, set motor speed and be 35r/min, test period is 100 hours, by setting same test condition three kinds of different tubing are carried out abrasion test, thereby obtain the anti-wear performance comparing result of three kinds of tubing.
A kind of beneficial effect of testing the system and method for tubing anti-wear performance provided by the invention is:
1, adopts test when the cover drive motor can be realized one or more test sections, when having improved efficient, also guarantee the contrast property of test result, solved the aids abrasion resistance evaluation of metal or nonmetal tubing, also can realize the anti-wear performance test of various sheet materials.
2, the motor rotating disk of drive motor cooperates with toggle, can adjust the to-and-fro movement speed of toggle by the control motor speed, in time adjusts friction velocity.
3, the spring pressure exerting arrangement has been added in the support bar of test section both sides top, can make the even stressed wearing and tearing of test section, effectively prevents the generation of eccentric wear phenomenon.
4, the spring displacement in the spring pressure exerting arrangement can arbitrarily be adjusted, and adjusts the friction force that rubs between test block and the test section with this, and then adjusts wear-resisting testing efficiency.
5, the interpolation of cooling device can reduce frictional heat, improves abrasion test efficient.
6, the material of friction test block can arbitrarily be changed, and satisfies fully under the different working conditions the simulation of the wear-resisting situation of different tubing, has enlarged wear-resisting range of value.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to example the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a system that tests the tubing anti-wear performance is characterized in that, comprising:
Drive motor, toggle, connection voussoir, at least one angle sheave, at least one support bar, at least two spring pressure exerting arrangements, at least one friction test block and fixed mount;
Described drive motor is connected with described toggle, is used for driving described toggle and moves reciprocatingly;
Described toggle is connected with described support bar by described connection voussoir, is used for driving described support bar and moves reciprocatingly;
Described support bar is used for driving described friction test block and moves reciprocatingly;
Described angle sheave is fixed on the worktable by holder, and flexibly connects with described toggle, is used for control toggle drive support bar and does straight reciprocating motion;
Described friction test block is fixed on support bar below, closely contacts with test section inside surface on being fixed on worktable, is used for the test section inside surface is rubbed;
Described spring pressure exerting arrangement one end is connected with described fixed mount, the other end and described support bar flexibly connect, described spring pressure exerting arrangement is used for adjusting the friction force between friction test block and the test section, makes the even stressed wearing and tearing of test section, effectively prevents the generation of eccentric wear phenomenon.
2. test the system of tubing anti-wear performance according to claim 1, it is characterized in that, described spring pressure exerting arrangement comprises:
Back shaft, spring, nut, roller and U-shaped frame;
Described back shaft is plugged on the crossbeam of described fixed mount, and upper end and described nut be spirally connected, and described back shaft is by adjusting the upper and lower motion of described nut;
Described spring housing is connected on the described back shaft, and fixedlys connected with described back shaft bottom in the bottom;
Described U-shaped frame is fixedlyed connected with described back shaft bottom, and described U-shaped frame and described roller flexibly connect;
Described roller and described support bar flexibly connect.
3. as the system of test tubing anti-wear performance as described in the claim 2, it is characterized in that, also comprise:
At least one cooling device, described cooling device comprises ebullator, sebific duct, liquid storage tank, support and cooling spray; Described liquid storage tank links to each other by described sebific duct with ebullator, and is fixed on the worktable below; Described ebullator links to each other by described sebific duct with cooling spray, and is fixed on the support of worktable; Described cooling spray alignment test pipeline section.
4. as the system of test tubing anti-wear performance as described in the claim 3, it is characterized in that, also comprise:
At least one V-block and at least one pressing plate, described V-block is used for placing test section, described pressing plate is used for compressing test section, test section is fixed on the worktable, the quantity of described V-block, pressing plate equates that with the quantity of test section the quantity of described test section equates with the quantity of support bar and cooling device.
5. as the system of test tubing anti-wear performance as described in the claim 4, it is characterized in that:
The size of described friction test block, shape and material are adjusted according to test specimen, to realize under the different working conditions simulation to the wear-resisting situation of various sample.
6. a right to use requires the method for 1 described system testing tubing anti-wear performance, it is characterized in that, comprising:
Internal diameter, thickness and weight to test section are measured;
The test block that will rub is fixed on the support bar;
Test section is socketed in the end that support bar is provided with the friction test block, and adjusts the high and low position of test section with V-block, test section inside surface and friction test block curved surface are fitted fully after, adopt pressing plate to compress test section;
Adjust the spring pressure exerting arrangement according to pressure set points, thereby make the friction force between friction test block and the test section reach setting value;
Set motor speed, the test of beginning anti-wear performance;
After test arrives setting-up time, stop motor driver and cooling device, test section is taken out, cleaning, drying is weighed, and measurement pipeline section fray wall thickness, calculate mass change and the wall thickness change of pipeline section, simultaneously the pipeline section wear morphology is observed, the macro morphology before and after the wearing and tearing of comparative analysis inside surface changes.
7. method as claimed in claim 6 is characterized in that:
When carrying out the anti-wear performance test, observe the abrasion condition of friction test block and test section, when friction test block both sides are milled to smaller or equal to 1mm, the friction test block is changed.
8. method as claimed in claim 6 is characterized in that:
The size of described friction test block, shape and material are adjusted according to test specimen, to realize under the different working conditions simulation to the wear-resisting situation of various sample.
9. method as claimed in claim 6 is characterized in that, also comprises:
Before the test of beginning anti-wear performance, cooling device is arranged on test section the place ahead, make liquid coolant mouth of pipe alignment test pipeline section, described test section is cooled off.
10. method as claimed in claim 6 is characterized in that:
Described when adjusting the spring pressure exerting arrangement according to pressure set points, according to the contrast relationship of spring displacement and pressure, turn nut and drive the upper and lower movement of back shaft, make the displacement of spring reach setting value, thereby make the pressure of correspondence reach pressure set points.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439211A (en) * | 2013-09-16 | 2013-12-11 | 轻工业钟表研究所 | Method for testing wear resistance of clad layer by utilizing friction of fabric belt |
| CN104990822A (en) * | 2015-07-17 | 2015-10-21 | 合肥波林复合材料有限公司 | Reciprocating type friction wear testing machine |
| CN106323783A (en) * | 2015-07-01 | 2017-01-11 | 中裕软管科技有限公司 | Machine for testing wear resistance of composite flexible pipes |
| CN109283048A (en) * | 2018-06-27 | 2019-01-29 | 宜华生活科技股份有限公司 | A kind of process that wood surface is closely knit and device |
| CN111721653A (en) * | 2020-06-16 | 2020-09-29 | 安徽博晟亿电力科技有限公司 | Device and method for detecting wear resistance test of pig iron casting |
| CN112255086A (en) * | 2020-10-28 | 2021-01-22 | 中国石油天然气集团有限公司 | Device and method for testing wear resistance of non-metal pipe |
| CN112362454A (en) * | 2020-11-20 | 2021-02-12 | 中国石油天然气集团有限公司 | Device and method for detecting and evaluating physical performance of wear-resistant belt of drilling tool |
| CN112730131A (en) * | 2020-12-25 | 2021-04-30 | 西安建筑科技大学 | Device and method for detecting pipe inner wall curved surface-curved surface friction wear amount |
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| CN113588470A (en) * | 2021-06-21 | 2021-11-02 | 珠海视新医用科技有限公司 | Channel tolerance testing method and device |
| CN114778364A (en) * | 2022-06-20 | 2022-07-22 | 江苏悦展新型材料有限公司 | Special-shaped refractory brick wear resistance detection device |
| CN117330448A (en) * | 2023-10-26 | 2024-01-02 | 枣庄市天一实业有限公司 | Testing equipment and process for deep-sea hydraulic rubber tube |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439211A (en) * | 2013-09-16 | 2013-12-11 | 轻工业钟表研究所 | Method for testing wear resistance of clad layer by utilizing friction of fabric belt |
| CN106323783A (en) * | 2015-07-01 | 2017-01-11 | 中裕软管科技有限公司 | Machine for testing wear resistance of composite flexible pipes |
| CN104990822A (en) * | 2015-07-17 | 2015-10-21 | 合肥波林复合材料有限公司 | Reciprocating type friction wear testing machine |
| CN104990822B (en) * | 2015-07-17 | 2018-07-06 | 合肥波林复合材料有限公司 | A kind of reciprocating friction abrasion tester |
| CN109283048A (en) * | 2018-06-27 | 2019-01-29 | 宜华生活科技股份有限公司 | A kind of process that wood surface is closely knit and device |
| CN111721653A (en) * | 2020-06-16 | 2020-09-29 | 安徽博晟亿电力科技有限公司 | Device and method for detecting wear resistance test of pig iron casting |
| CN112255086A (en) * | 2020-10-28 | 2021-01-22 | 中国石油天然气集团有限公司 | Device and method for testing wear resistance of non-metal pipe |
| CN112362454A (en) * | 2020-11-20 | 2021-02-12 | 中国石油天然气集团有限公司 | Device and method for detecting and evaluating physical performance of wear-resistant belt of drilling tool |
| CN112730131A (en) * | 2020-12-25 | 2021-04-30 | 西安建筑科技大学 | Device and method for detecting pipe inner wall curved surface-curved surface friction wear amount |
| CN112730131B (en) * | 2020-12-25 | 2024-01-30 | 西安建筑科技大学 | Device and method for detecting frictional wear of curved surface-curved surface of inner wall of pipe |
| CN112816317A (en) * | 2021-01-20 | 2021-05-18 | 宋海丰 | Water drill hardness detection device |
| CN113218799A (en) * | 2021-03-30 | 2021-08-06 | 绍兴市菲尔乐管业有限公司 | Pipe wall wear resistance testing device for pipes |
| CN113218799B (en) * | 2021-03-30 | 2022-10-18 | 绍兴市菲尔乐管业有限公司 | Pipe wall wear resistance testing device for pipes |
| CN113588470A (en) * | 2021-06-21 | 2021-11-02 | 珠海视新医用科技有限公司 | Channel tolerance testing method and device |
| CN114778364A (en) * | 2022-06-20 | 2022-07-22 | 江苏悦展新型材料有限公司 | Special-shaped refractory brick wear resistance detection device |
| CN117330448A (en) * | 2023-10-26 | 2024-01-02 | 枣庄市天一实业有限公司 | Testing equipment and process for deep-sea hydraulic rubber tube |
| CN117330448B (en) * | 2023-10-26 | 2024-04-02 | 枣庄市天一实业有限公司 | Testing equipment and process for deep-sea hydraulic rubber tube |
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