CN202420998U - Swing type plastic pipe wear resistance testing device - Google Patents
Swing type plastic pipe wear resistance testing device Download PDFInfo
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- CN202420998U CN202420998U CN2012200062714U CN201220006271U CN202420998U CN 202420998 U CN202420998 U CN 202420998U CN 2012200062714 U CN2012200062714 U CN 2012200062714U CN 201220006271 U CN201220006271 U CN 201220006271U CN 202420998 U CN202420998 U CN 202420998U
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- tubing
- plastic pipe
- fixed mount
- pipe
- test device
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Abstract
The utility model discloses a swing type plastic pipe wear resistance testing device, and belongs to the technical field of pipe detection. The device comprises a rack. A motor and a motor control box are arranged at the bottom of the rack in a matching way. A power disc is arranged on the motor in a matching way. A bearing block is arranged on the middle part of the rack in a matching way. A pipe fixing frame for fixing pipes is arranged on the bearing block in a matching way, and is connected with the bearing block in a rotating way. Four damping devices are also arranged on the rack in a matching way, and are arranged on the two sides of the bearing block respectively. Two pipes can be arranged on the pipe fixing frame, and two fixing bands are required to fix each pipe. The pipe fixing frame is in transmission connection with the power disc through a connecting rod. The swing type plastic pipe wear resistance testing device is used for simulating the wear resistance conditions of the pipes under different working conditions. Three points are taken at the bottom of each pipe, the thicknesses of the three points before and after wearing are measured respectively, and a ratio of a difference between average thicknesses before and after the wearing to an original average thickness is the wear rate of the pipe. The device is simple in structure, convenient to operate and suitable for industrial application.
Description
Technical field
The utility model belongs to tubing detection technique field, is specifically related to a kind of simple in structure, easy to operate swing plastic pipe wearability test device.
Background technology
Pipeline transportation is after the means of transportation of traditional highway, railway, water transport, air transport; Solid particle waterpower is carried a kind of new mode of movement of (slurry); Worldwide obtain to develop rapidly, in the mine, many departments such as water conservancy, environment, chemical industry have obtained using widely.Plastic pipe is because corrosion-resistant, easy for installation, advantage such as frictional resistance is little rising in this field gradually.
Tubing is as the pumped (conveying) medium supporting body, and wearing and tearing are the subject matter that such tubing faces.Wearing and tearing can make the strength and stiffness of pipeline descend, and bring unsafe hidden danger, have increased material input and handling cost.Therefore, prediction and the analysis to the pipeline wearing quality caused developing material and engineering personnel's attention gradually.
In the course of conveying of slurry, the reason that influences pipe wear is a lot, mainly contains the selection of flow velocity, mixing ratio, material properties and caliber and flow.If set up the tubing wear testing system of emulation, the place and the fund input that need are bigger, are not suitable for plastic pipe manufacturer and implement.And general " the plastics sliding frictional wear test method " of GB (GB3960-83), through plastics and smooth surface mill is carried out the anti-wear performance test, can not assess the combined influence of various factors in the slurry course of conveying.Therefore, to the slurry transportation art, develop a kind of quick, easy tubing wearing and tearing analogue means and seem highly significant.
The utility model content
To the problems referred to above that exist in the prior art, the purpose of the utility model is to provide a kind of swing plastic pipe wearability test device, and through measuring its wall thickness, the rate of change of calculated wall thickness is assessed the wearing quality of tubing.
Described a kind of swing plastic pipe wearability test device comprises frame, it is characterized in that described frame bottom is equipped with motor and Motor Control case; Be equipped with power plate on the motor; Described central rack is equipped with bearing seat, is equipped with the tubing fixed mount that is used for fixing tubing that is rotationally connected with it on the bearing seat, also is equipped with four snubber assemblys on the frame; Respectively at the bearing seat both sides; Described tubing fixed mount, for every tubing is provided with one group of tubing fixed band, described tubing fixed mount and power plate are in transmission connection through connecting rod.
Described a kind of swing plastic pipe wearability test device is characterized in that described snubber assembly comprises assembling bolt that is used for fixing on frame and the block rubber that plays buffer action, and described assembling bolt is connected through spring with block rubber.
Described a kind of swing plastic pipe wearability test device is characterized in that described tubing fixed band is arranged on the tubing fixed mount at interval, and every tubing is fixed and needed 2 fixed bands.
Described a kind of swing plastic pipe wearability test device is characterized in that described snubber assembly is equipped with below the tubing fixed mount, and the distance between two snubber assemblys is less than the length of tubing fixed mount.
Described a kind of swing plastic pipe wearability test device is characterized in that described tubing fixed mount around the reciprocal oscillating motion of bearing seat, and waving angle is 45 degree.
Described a kind of swing plastic pipe wearability test device is characterized in that described tube outer diameter is 110-315mm, and tubing is equipped with the mortar potpourri, and the tubing two ends are equipped with plug.
Through adopting above-mentioned technology, the beneficial effect of the utility model is following:
1) the utility model carries out the wearing quality contrast test through adopting swing plastic pipe wearability test device to unlike material tubing, obtains the rate of wear of different tubing, is used to instruct the exploitation of high-abrasive material;
2) the utility model can carry operating mode to simulate to various long-distance slurries through adopting swing plastic pipe wearability test device, is used to instruct the process optimization of concrete engineering, prolongs the serviceable life of tubing, increases economic benefit;
3) the utility model passes through to adopt swing plastic pipe wearability test device, and is simple in structure, easy and simple to handle, is suitable for industrial applications.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the right view structural representation of the utility model Fig. 1.
Among the figure: 1-frame, 2-power plate, 3-motor, 4-connecting rod, 5-plug, 6-snubber assembly, 6a-block rubber, 6b-spring, 6c-assembling bolt, 7-tubing fixed band, 8-tubing, 9-tubing fixed mount, 10-bearing seat, 11-Motor Control case.
Embodiment
Below in conjunction with Figure of description and embodiment the utility model is done further to describe:
Shown in Fig. 1-2, a kind of swing plastic pipe wearability test device comprises frame 1; Described frame bottom is equipped with motor 3 and Motor Control case 11, is equipped with power plate 2 on the motor 3, and described frame 1 middle part is equipped with bearing seat 10; Be equipped with the tubing fixed mount 9 that is used for fixing tubing 8 that is rotationally connected with it on the bearing seat 10, also be equipped with 4 snubber assemblys 6 on the frame 1, respectively at bearing seat 10 both sides; Be interval with tubing fixed band 7 on the described tubing fixed mount 9, tubing fixed band 7 is 2 of every tubing, and described tubing fixed mount 9 is in transmission connection through connecting rod 4 with power plate 2; Described snubber assembly 6 is equipped with below tubing fixed mount 9 and both sides, and the distance between two snubber assemblys 6 is less than the length of tubing fixed mount 9, and snubber assembly 6 comprises assembling bolt 6c that is used for fixing on frame 3 and the block rubber 6a that plays buffer action; Described assembling bolt 6c is connected through spring 6b with block rubber 6a; The effect of snubber assembly 6 is to knock frame 1 when preventing tubing fixed mount about 9 pendulum, damages easily, and tubing fixed mount 9 is when the bottom; Meet the block rubber 6a of snubber assembly 6; Under the elastic force of spring 6b, play certain buffer action, Motor Control case 11 can change the speed that waves through the frequency of adjustment frequency converter.
Can place 2 tubing on the described tubing fixed mount 9; Every tubing needs to bind with 2 fixed bands, and tubing fixed mount 9 is around bearing seat 10 reciprocal oscillating motions, and waving angle is 45 degree; The utility model tubing 8 external diameters to be measured are 110-315mm; Tubing 8 is equipped with the mortar potpourri, and tubing 8 two ends are equipped with plug 5, the different wear medium of can packing in the tubing 8; Wear medium is that sand and the water weight ratio that feeds intake is the mortar potpourri of 1:1, and it adds volume is the 18%-25% of tubing cavity volume.
Use the swing plastic pipe wearability test device to test tubing wearing quality of the utility model, described method comprises the steps:
1) gets the long tubing 8 of 1m; Two ends with plug 5 shutoff after, be placed on the tubing fixed mount 9, fixing through tubing fixed band 7; Get each side 10cm place totally 3 points of tubing bottom mid point, mid point respectively; Adopt the ultrasonic thickness test instrument to carry out thickness measure, survey 3 thickness of locating respectively, the mean value of getting this 3 dot thickness is tubing original wall thickness e0;
2) the operating mode wear medium of in tubing 8, packing into of simulation as required; And the two ends of tubing 8 are carried out shutoff with plug 5, tubing 8 is fixed on the tubing fixed mount 9 actuating motor 3; Adjust speed and the frequency that tubing fixed mounts 9 wave around bearing seat 10 through Motor Control case 11; With waving on the direction is a circulation, accomplishes 300000 and stops test, adopts the ultrasonic thickness test instrument that 3 points getting in the step 1) are carried out thickness measure; Survey 3 thickness of locating respectively, the mean value of getting this 3 dot thickness is test back tube wall thickness e1; Described wear medium is that sand and the water weight ratio that feeds intake is the mortar potpourri of 1:1, and it adds volume is the 18%-25% of tubing volume; In swing process, the sand in the tubing also can wear and tear originally, and for the accuracy of testing, 150000 recycling replacing wear mediums of every completion once.
3) according to step 1) and step 2) the tubing original wall thickness e0 that records, test back tube wall thickness e1; Calculate through the tubing thickness difference after the wearing and tearing; The ratio of tubing thickness difference and tubing original wall thickness is the rate of wear of tubing, and used calculating worker formula is (e0-e1)/e0*100%.
Embodiment 1: the wearing quality of different tubing relatively;
Get 1m long PVC-U tubing and PE100 tubing respectively; Tubing bore 250mm, wear medium are that the silica sand and the water of same specification is the potpourri of 1:1 with the mortar ratio, the range of size 2-5mm of silica sand; 7 kilograms in water; 7 kilograms of silica sands,, survey the rate of wear of its tubing after 300000 circulations; As shown in table 1,
By obtaining in the last table, the wearing quality of PE tubing is about 2 times of PVC-U.
Embodiment 2: the comparison of the different operating modes of same tubing:
The PE100 tubing of getting length and be 1m is designated as 1#, 2#, and tube outer diameter is 315mm, and the 1# wear medium is the silica sand of same specification in the instance 1, range of size 2-5mm; 2# pipe wear medium is larger-size silica sand, range of size 8-12mm, and the mortar ratio is 1:1,10 kilograms in water, 10 kilograms of silica sands, electric machine frequency is 20HZ, and waving is 60 times/min, and it is as shown in table 2 to survey its rate of wear after 300000 circulations,
From table 2, draw, the rate of wear 2.70% of 1#PE tubing, the rate of wear of 2#PE tubing are 14.66%, and the size of analyzing solid particle size in tubing wearing quality and the slurry has direct relation.
Claims (6)
1. swing plastic pipe wearability test device; Comprise frame (1); It is characterized in that described frame bottom is equipped with motor (3) and Motor Control case (11); Be equipped with power plate (2) on the motor (3), described frame (1) middle part is equipped with bearing seat (10), is equipped with the tubing fixed mount (9) that is used for fixing tubing (8) that is rotationally connected with it on the bearing seat (10); Also be equipped with four snubber assemblys (6) on the frame (1); Respectively at bearing seat (10) both sides, described tubing fixed mount (9) is provided with one group of tubing fixed band (7), and described tubing fixed mount (9) is in transmission connection through connecting rod (4) with power plate (2).
2. a kind of swing plastic pipe wearability test device according to claim 1; It is characterized in that described snubber assembly (6) comprises assembling bolt (6c) that is used for fixing on frame (3) and the block rubber (6a) that plays buffer action, described assembling bolt (6c) is connected through spring (6b) with block rubber (6a).
3. a kind of swing plastic pipe wearability test device according to claim 1 is characterized in that described tubing fixed band (7) is arranged on the tubing fixed mount (9) at interval, and tubing fixed band (7) is the 2-4 root.
4. a kind of swing plastic pipe wearability test device according to claim 1; It is characterized in that described buffering flushing device (6) is equipped with in the below of tubing fixed mount (9), the distance between former and later two snubber assemblys (6) is less than the length of tubing fixed mount (9).
5. a kind of swing plastic pipe wearability test device according to claim 1 is characterized in that described tubing fixed mount (9) around back and forth oscillating motion of bearing seat (10), and waving angle is 45 degree.
6. a kind of swing plastic pipe wearability test device according to claim 1 is characterized in that described tubing (8) external diameter is 110-315mm, and tubing (8) is equipped with the mortar potpourri, and tubing (8) two ends are equipped with plug (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200062714U CN202420998U (en) | 2012-01-09 | 2012-01-09 | Swing type plastic pipe wear resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200062714U CN202420998U (en) | 2012-01-09 | 2012-01-09 | Swing type plastic pipe wear resistance testing device |
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| Publication Number | Publication Date |
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| CN202420998U true CN202420998U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200062714U Expired - Lifetime CN202420998U (en) | 2012-01-09 | 2012-01-09 | Swing type plastic pipe wear resistance testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256904A (en) * | 2013-05-17 | 2013-08-21 | 安徽工业大学 | Large rotating supporting rolling way abrasion automatic detecting system and arge rotating supporting rolling way abrasion automatic detecting method |
| CN107941643A (en) * | 2018-01-12 | 2018-04-20 | 合肥美亚光电技术股份有限公司 | A kind of wear-resisting detection device of color selector passage and detection method |
| 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 |
| CN118130299A (en) * | 2024-05-08 | 2024-06-04 | 天津星宇达新能源科技有限公司 | Metal pipe surface wear-resisting detection equipment |
-
2012
- 2012-01-09 CN CN2012200062714U patent/CN202420998U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256904A (en) * | 2013-05-17 | 2013-08-21 | 安徽工业大学 | Large rotating supporting rolling way abrasion automatic detecting system and arge rotating supporting rolling way abrasion automatic detecting method |
| CN107941643A (en) * | 2018-01-12 | 2018-04-20 | 合肥美亚光电技术股份有限公司 | A kind of wear-resisting detection device of color selector passage and detection method |
| CN107941643B (en) * | 2018-01-12 | 2024-04-09 | 合肥美亚光电技术股份有限公司 | Wear-resistant detection device and detection method for color sorter channel |
| 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 |
| CN118130299A (en) * | 2024-05-08 | 2024-06-04 | 天津星宇达新能源科技有限公司 | Metal pipe surface wear-resisting detection equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
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| CX01 | Expiry of patent term |