CN104777052A - Mechanical wear testing device - Google Patents
Mechanical wear testing device Download PDFInfo
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- CN104777052A CN104777052A CN201510157398.4A CN201510157398A CN104777052A CN 104777052 A CN104777052 A CN 104777052A CN 201510157398 A CN201510157398 A CN 201510157398A CN 104777052 A CN104777052 A CN 104777052A
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- mechanical wear
- wear test
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Abstract
The invention discloses a mechanical wear testing device. The mechanical wear testing device comprises a cabinet body, a bracket, a spray gun, a laser pen, and a sand and water mixing and stirring device, wherein the bracket is driven to be arranged in the cabinet body in a vertical moving mode and is used for bearing a sample; the spray gun is vertically arranged in the upper part of the internal space of the cabinet body and is driven to move left and right in a reciprocating mode for the mechanical wear testing for a plastic lens; the laser pen is horizontally arranged at one side of the cabinet body and is used for assisting in the flush arrangement of a sample; the sand and water mixing and stirring device is arranged at one side outside the cabinet body and is used for providing mixed sand and water for the spray gun. The mechanical wear device is used for sand spray wearing, and meanwhile is used for adjusting the height of the liquid level of the sand and water mixing and stirring device, so that the working condition of the spray gun can be ensured effectively, and the testing effect is improved when the sand spray condition is not changed in the testing process; moreover, the laser pen is arranged so as to improve the sample and the integral horizontal alignment effect; the testing conditions of samples are the same, and the detection effect is improved.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of mechanical wear test unit.
Background technology
Mechanical wear test is the sand blast test process of carrying out fixed position or region according to certain requirement, when doing mechanical wear test as detected at automobile lamp lens, in the testing requirements of China's automobile lamp standard, continue to use European Union ECE standard completely, in GB GB 4599-2007 " lamps for vehicle silk bulb headlamp " annex E, mechanical wear test method requires as follows: spray gun should be equipped with the nozzle that a diameter is 1.3mm, when working pressure is
during Mpa, the flow of jetting fluid is (0.24 ± 0.02) 1/min.And on the wear surface at distance nozzle 380mm ± 10mm place, form the region of injection stream that a diameter is 170mm ± 50mm distribution, same level is placed headlamp in this region and from the multiple samples same specification headlamp gets on.And requiring that test mixed liquor is by mohr's scale of hardness 7, granularity is between 0 ~ 0.2mm, and in normal distribution, the silica sand of angle factor 1.8 ~ 2 and water composition, its proportioning is every premium on currency is 25g containing silica sand.
First, adopt existing nozzle arrangements, 1.3mm is set to when needing the diameter by air nozzle, and guarantee working pressure, if the flow of the jetting fluid proposed according to standard, with on the wear surface at distance nozzle 380mm ± 10mm place, form the area requirement of the injection stream that fan-shaped is scattered, common sand-blasting machine is obviously irrealizable.
Secondly, when the mixing of silica sand and water, because the proportion of silica sand is greater than 1.6, the proportion of water is 1, silica sand sinks under water, and according to the mixed method of general liquid, rotates mixing material or uses electric machine rotation stirring arm, part silica sand is floating, and the direction that most of silica sand can rotate along paddle, pile up new sand bag, the ratio of sand water cannot be ensured, thus also just can not ensure that the proportioning of the sand liquid gushed out be every premium on currency containing silica sand is 25g, directly affects the precision of wear testing.
Moreover, flush setting for what ensure print and sample, namely ensure that the most end face of the sample of each middle form is positioned in same level, need the distance of repetitive measurement upper surface and nozzle, cause that to test Occupation time long.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind of mechanical wear test unit is provided.
The technical scheme adopted for realizing object of the present invention is:
A kind of mechanical wear test unit, comprise cabinet, can be arranged on up or down in cabinet in order to carry the bracket of sample by driving, be arranged on vertically cabinet top, inner space and can by the mechanical wear test spray gun of plastics lens driving left and right to move back and forth, be horizontally set on cabinet side flushes setting laser pen in order to auxiliary sample, be arranged on the sand water mixing agitator of the outside side of cabinet in order to provide sand water to mix to described spray gun.
Described sand water mixing agitator is arranged on crane, and described crane progressively improves the height of husky water mixing agitator to make the change of the liquid level of sand water mixing agitator in preset range according to flow and working time.
Described sand water mixing agitator, comprise cylindrical tube, the lid described cylindrical shell upper opening can closed, can be rotatably set in the shaft at described lid center, be fixedly installed on the paddle of described shaft lower end, be fixedly installed on described lid upper surface in order to drive the rotary cylinder of described shaft reciprocating rotation, and described rotary cylinder air inlet can be controlled, go out gaseity to switch to change the reverse mechanism realizing reciprocating rotary, described reverse mechanism comprises and to be fixedly installed on rotary cylinder and the arc thereupon rotated touches block, compartment of terrain to be fixedly installed on lid and can with described two the touch type reversal valves touching block and interfere, and control source of the gas end respectively with described two Pneumatic-control types that reversal valve is communicated with two five-way valves, the described valve port of two five-way valves is connected with the interface of rotary cylinder, be respectively arranged with throttling valve at described two between the valve port of five-way valve and the interface of rotary cylinder simultaneously.
The anglec of rotation of rotary cylinder is limited to 180 °-200 ° by the reversal valve described in two.
Described paddle is that on the inwall of described cylindrical shell, compartment of terrain is provided with multiple spoiler extended vertically relative to the axisymmetric curved-surface structure of stirring.
Described paddle comprises the corrosion resistant plate of both sides and is clamped in rubber slab between described corrosion resistant plate and outstanding downwards.
Described spoiler is arranged on the bottom of cylindrical shell, and described spoiler is S shape structure, and adjacent spoiler is that Mirror Symmetry is arranged.
The mechanical wear test spray gun of described plastics lens comprise cylindrical shell and be fixedly installed on cylindrical shell left end delivery nozzle and be fixedly installed on housing right-hand member and with the nozzle of air supply of compressed air communication, wherein, cylindrical shell inside is formed with runner, described delivery nozzle center is formed with cylindrical channel, taper input mouth is formed at passage right-hand member, be formed with taper at the left end of described passage and export mouth, the left end of described nozzle of air supply stretches in runner and and delivery nozzle keeps interval and afterbody is threaded with housing, also regulating ring is bolted with in described runner, keep spacing to form diffusion chamber between described regulating ring and described delivery nozzle right side, the housing that adsorbent chamber on the right side of described regulating ring is corresponding is provided with the inlet that sandstone mixed liquor is communicated with.
Described runner left end is formed with the seam that internal diameter becomes large, and the seam described in the right-hand member of described delivery nozzle inserts is inner and is fixedly connected with it, the internal thread of the regulating ring that the internal face of the seam of described housing is formed be spirally connected.
The tapering of the input mouth of described delivery nozzle is at 50 °-70 °, and the angle of the left part male cone (strobilus masculinus) of described nozzle of air supply is at 20 °-35 °, and the diameter of giving vent to anger of described nozzle of air supply is 1.3mm, and the internal diameter of described regulating ring is greater than the opening inside diameter of input mouth.
Compared with prior art, the invention has the beneficial effects as follows:
The mechanical wear device that the present invention adopts, the liquid level of synchronous adjustment sand water mixing agitator while carrying out abrasive jet wear, effectively can ensure the operating mode of spray gun like this, ensure that blasted condition does not change in process of the test, improve test effect, and, laser pen is set, effectively can improve print and overall horizontal alignment effect, ensure that each sample test situation is identical, improve Detection results.
Accompanying drawing explanation
Figure 1 shows that mechanical wear test unit structural representation of the present invention;
Figure 2 shows that the structural representation of mechanical wear test spray gun of the present invention;
Figure 3 shows that the A-A schematic cross-section shown in Fig. 2;
Figure 4 shows that the structural representation of sand water mixing agitator;
Figure 5 shows that the control chart of sand water mixing agitator.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, mechanical wear test unit of the present invention comprises cabinet 100, can be arranged on up or down in cabinet in order to carry the bracket 110 of sample by driving, be arranged on vertically cabinet top, inner space and can by the mechanical wear test spray gun 200 of plastics lens driving left and right to move back and forth, be horizontally set on cabinet side flushes setting laser pen 300 in order to auxiliary sample, be arranged on the sand water mixing agitator of the outside side of cabinet in order to provide sand water to mix to described spray gun, described sand water mixing agitator is arranged on crane, described crane progressively improves the height of husky water mixing agitator to make the change of the liquid level of sand water mixing agitator in preset range according to flow and working time.
The mechanical wear device that the present invention adopts, the liquid level of synchronous adjustment sand water mixing agitator while carrying out abrasive jet wear, effectively can ensure the operating mode of spray gun like this, ensure that blasted condition does not change in process of the test, improve test effect, and, laser pen is set, effectively can improve print and overall horizontal alignment effect, ensure that each sample test situation is identical, improve Detection results.
As Fig. 2, shown in 3, mechanical wear test spray gun 200 of the present invention comprise cylindrical shell 1 and be fixedly installed on cylindrical shell left end delivery nozzle 2 and be fixedly installed on housing right-hand member and with the nozzle of air supply 3 of compressed air communication, wherein, cylindrical shell inside is formed with runner 10, described delivery nozzle center is formed with cylindrical channel 4, taper input mouth 5 is formed at passage right-hand member, be formed with taper at the left end of described passage and export mouth 6, the left end of described nozzle of air supply 3 stretches in runner and and delivery nozzle keeps interval and afterbody is threaded with housing, regulating ring 7 is also bolted with in described runner, keep spacing to form diffusion chamber between described regulating ring and described delivery nozzle right side, the housing that adsorbent chamber on the right side of described regulating ring is corresponding is provided with the inlet 8 that sandstone mixed liquor is communicated with, wherein, described regulating ring is arranged on the left end place of nozzle of air supply.Specifically, described runner left end is formed with the seam that internal diameter becomes large, and the seam described in the right-hand member of described delivery nozzle inserts is inner and is fixedly connected with it, the internal thread of the regulating ring that the internal face of the seam of described housing is formed be spirally connected.Position and the regulating ring of described nozzle of air supply left end be adjusted to seam inner side time regulating ring left surface flush.
Spray gun of the present invention adopts regulating ring structure, achieve injection flow adjustable, injection stream cross section adjustable, the sand-blasting machine of particular/special requirement can be widely used in, as mechanical wear testing machine, and the water sand mixture utilizing the center pit of regulating ring effectively to guide injection to enter enters taper input mouth, effectively can increase range and the flow velocity of nozzle, expand the purposes of spray gun.
Specifically, the tapering of the input mouth of described delivery nozzle is at 50 °-70 °, the angle of the left part male cone (strobilus masculinus) of described nozzle of air supply is at 20 °-35 °, the diameter of giving vent to anger of described nozzle of air supply is 1.3mm, and the air intake opening of described nozzle of air supply is tapering the taper of 44 °-60 °, and the internal diameter of described regulating ring is greater than the opening inside diameter of input mouth, preferably, the ratio of regulating ring internal diameter and opening inside diameter, between 1.01-1.2 times, is regulated by multiparameter like this, effectively can improve application.Especially can meet the detection of automobile lamp lens and do mechanical wear test, the sandblasting required by standard can be produced.
As shown in Figures 4 and 5, sand water mixing agitator 400 of the present invention comprises cylindrical tube 41, the lid 42 described cylindrical shell upper opening can closed, can be rotatably set in the shaft 43 at described lid center, be fixedly installed on the paddle 44 of described shaft 43 lower end, be fixedly installed on described lid upper surface in order to drive the rotary cylinder 45 of described shaft reciprocating rotation, and described rotary cylinder air inlet can be controlled, go out gaseity to switch to change the reverse mechanism realizing reciprocating rotary, wherein said reverse mechanism comprises and to be fixedly installed on rotary cylinder and the arc thereupon rotated touches block 46, compartment of terrain to be fixedly installed on lid and can with the described normally closed reversal valve 47 of two touch types touching block and interfere, 48, this reversal valve only has Pei's arc, namely the fan-shaped block that touches touches period P-A and could be switched on, and control source of the gas end respectively with described two Pneumatic-control types that reversal valve is communicated with two five-way valves 49, preferably, throttling valve is respectively arranged with wherein between the described valve port of two five-way valves and the interface of rotary cylinder, the anglec of rotation of rotary cylinder is limited to 180 °-200 ° by the reversal valve described in two.
Operationally, the initial bit of two five-way valves, reversal valve is all in normally closed state, and respective P-A is in shutoff state, and source of the gas enters from the A mouth of two five-way valves and enters B mouth and finally discharges from leakage port R or S, so namely rotary cylinder is driven to rotate, when reversal valve 48 is touched block shake-up, the P-A conducting of this reversal valve, gas control two five-way valve manual switchover stations, source of the gas enters rotary cylinder from B mouth and is discharged by leakage port through A mouth until reversal valve 47 is touched, in this way back and forth.
Sand water mixing agitator of the present invention adopts rotary cylinder to coordinate reverse mechanism, make its forward and reverse rotational angle at >=180 °≤200 °, achieve stirring arm forward, reverse continuous stirring, and, adopt electric motor type Design of Rotation, utilize throttling valve to adjust stirring rate; Can control at 0.5s-1.5s, preferred 1s realizes once reciprocal, makes the rotating speed of stirring arm enough large with the silica sand can rolling container bottom, effectively can avoid occurring dead angle and remaining silica sand like this; Make stirring close to 98% uniformity coefficient.Meanwhile, in use, drain line againsts cylinder inboard wall and enters bottom and from bottom withdraw mix, adopt source of the gas as power, sand water is mixed and does not contact electric power as far as possible, improve the security of equipment.
Further, for improving mixing effect, described paddle is relative to the axisymmetric curved-surface structure of stirring, on the inwall of described cylindrical shell, compartment of terrain is provided with multiple spoiler 410 extended vertically, and preferably, described spoiler is arranged on the bottom of cylindrical shell, and described spoiler is S shape structure, adjacent spoiler is that Mirror Symmetry arranges or is crisscross arranged, and destroys its symmetrical effect, effectively can improve mixed flow effect.
Further, for avoid bottom paddle with cylinder body bottom friction, improve the stirring effect to bottom simultaneously, described paddle comprises the corrosion resistant plate of both sides and is clamped in rubber slab between described corrosion resistant plate and outstanding downwards, described rubber slab can keep and closely or directly the contacting of cylinder body bottom, avoid bottom to occur deposition, ensure that cylindrical shell reduces wear simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a mechanical wear test unit, it is characterized in that, comprise cabinet, can be arranged on up or down in cabinet in order to carry the bracket of sample by driving, be arranged on vertically cabinet top, inner space and can by the mechanical wear test spray gun of plastics lens driving left and right to move back and forth, be horizontally set on cabinet side flushes setting laser pen in order to auxiliary sample, be arranged on the sand water mixing agitator of the outside side of cabinet in order to provide sand water to mix to described spray gun.
2. mechanical wear test unit as claimed in claim 1, it is characterized in that, described sand water mixing agitator is arranged on crane, and described crane progressively improves the height of husky water mixing agitator to make the change of the liquid level of sand water mixing agitator in preset range according to flow and working time.
3. mechanical wear test unit as claimed in claim 1 or 2, it is characterized in that, described sand water mixing agitator, comprise cylindrical tube, the lid described cylindrical shell upper opening can closed, can be rotatably set in the shaft at described lid center, be fixedly installed on the paddle of described shaft lower end, be fixedly installed on described lid upper surface in order to drive the rotary cylinder of described shaft reciprocating rotation, and described rotary cylinder air inlet can be controlled, go out gaseity to switch to change the reverse mechanism realizing reciprocating rotary, described reverse mechanism comprises and to be fixedly installed on rotary cylinder and the arc thereupon rotated touches block, compartment of terrain to be fixedly installed on lid and can with described two the touch type reversal valves touching block and interfere, and control source of the gas end respectively with described two Pneumatic-control types that reversal valve is communicated with two five-way valves, the described valve port of two five-way valves is connected with the interface of rotary cylinder, be respectively arranged with throttling valve at described two between the valve port of five-way valve and the interface of rotary cylinder simultaneously.
4. mechanical wear test unit as claimed in claim 3, it is characterized in that, the anglec of rotation of rotary cylinder is limited to 180 °-200 ° by the reversal valve described in two.
5. mechanical wear test unit as claimed in claim 3, is characterized in that, described paddle is that on the inwall of described cylindrical shell, compartment of terrain is provided with multiple spoiler extended vertically relative to the axisymmetric curved-surface structure of stirring.
6. mechanical wear test unit as claimed in claim 5, is characterized in that, described paddle comprises the corrosion resistant plate of both sides and is clamped in rubber slab between described corrosion resistant plate and outstanding downwards.
7. mechanical wear test unit as claimed in claim 5, it is characterized in that, described spoiler is arranged on the bottom of cylindrical shell, and described spoiler is S shape structure, and adjacent spoiler is that Mirror Symmetry is arranged.
8. mechanical wear test unit as claimed in claim 1, it is characterized in that, the mechanical wear test spray gun of described plastics lens comprise cylindrical shell and be fixedly installed on cylindrical shell left end delivery nozzle and be fixedly installed on housing right-hand member and with the nozzle of air supply of compressed air communication, wherein, cylindrical shell inside is formed with runner, described delivery nozzle center is formed with cylindrical channel, taper input mouth is formed at passage right-hand member, be formed with taper at the left end of described passage and export mouth, the left end of described nozzle of air supply stretches in runner and and delivery nozzle keeps interval and afterbody is threaded with housing, also regulating ring is bolted with in described runner, keep spacing to form diffusion chamber between described regulating ring and described delivery nozzle right side, the housing that adsorbent chamber on the right side of described regulating ring is corresponding is provided with the inlet that sandstone mixed liquor is communicated with.
9. mechanical wear test spray gun as claimed in claim 1, it is characterized in that, described runner left end is formed with the seam that internal diameter becomes large, seam described in the right-hand member of described delivery nozzle inserts is inner and is fixedly connected with it, the internal thread of the regulating ring that the internal face of the seam of described housing is formed be spirally connected.
10. mechanical wear test spray gun as claimed in claim 1, it is characterized in that, the tapering of the input mouth of described delivery nozzle is at 50 °-70 °, the angle of the left part male cone (strobilus masculinus) of described nozzle of air supply is at 20 °-35 °, the diameter of giving vent to anger of described nozzle of air supply is 1.3mm, and the internal diameter of described regulating ring is greater than the opening inside diameter of input mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157398.4A CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157398.4A CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
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| CN104777052A true CN104777052A (en) | 2015-07-15 |
| CN104777052B CN104777052B (en) | 2017-07-25 |
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| CN201510157398.4A Active CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389485A (en) * | 2017-07-13 | 2017-11-24 | 浙江工业大学之江学院 | A kind of slag slurry mechanical seal end wear fatigue detecting skid structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0862113A (en) * | 1994-08-25 | 1996-03-08 | Ishikawajima Harima Heavy Ind Co Ltd | Abrasion test equipment for slurry |
| JPH08145866A (en) * | 1994-11-22 | 1996-06-07 | Yokohama Rubber Co Ltd:The | Moistening abrasion testing machine |
| CN201009165Y (en) * | 2006-11-21 | 2008-01-23 | 青岛理工大学 | Grinding and finishing integrated liquid supply device |
| CN201271842Y (en) * | 2008-07-23 | 2009-07-15 | 东莞市东城百通五金机械厂 | Automatic sand-blasting machine suitable for processing double sides of sheet |
| CN201653838U (en) * | 2010-03-05 | 2010-11-24 | 湖南省湘电锅炉压力容器检验中心有限公司 | Water erosion test apparatus |
| CN102407495A (en) * | 2011-11-02 | 2012-04-11 | 山东汇通机械制造有限公司 | Shot blast cleaning machine for inner wall of pipe |
| CN102854078A (en) * | 2012-09-18 | 2013-01-02 | 哈尔滨电机厂有限责任公司 | Abrasion testing machine |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN203401406U (en) * | 2013-02-28 | 2014-01-22 | 宝山钢铁股份有限公司 | Sand supply concentration control device for post-mixing high-pressure jet-cleaning |
| CN103722496A (en) * | 2013-12-25 | 2014-04-16 | 陕西北人印刷机械有限责任公司 | Automatic sandblasting mechanism of cooling roller and sandblasting method |
| CN203989948U (en) * | 2014-09-02 | 2014-12-10 | 西安皓天生物工程技术有限责任公司 | A kind of high efficiency extraction tank |
| CN204649552U (en) * | 2015-04-03 | 2015-09-16 | 天津市精谱科技有限公司 | Mechanical wear test unit |
-
2015
- 2015-04-03 CN CN201510157398.4A patent/CN104777052B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0862113A (en) * | 1994-08-25 | 1996-03-08 | Ishikawajima Harima Heavy Ind Co Ltd | Abrasion test equipment for slurry |
| JPH08145866A (en) * | 1994-11-22 | 1996-06-07 | Yokohama Rubber Co Ltd:The | Moistening abrasion testing machine |
| CN201009165Y (en) * | 2006-11-21 | 2008-01-23 | 青岛理工大学 | Grinding and finishing integrated liquid supply device |
| CN201271842Y (en) * | 2008-07-23 | 2009-07-15 | 东莞市东城百通五金机械厂 | Automatic sand-blasting machine suitable for processing double sides of sheet |
| CN201653838U (en) * | 2010-03-05 | 2010-11-24 | 湖南省湘电锅炉压力容器检验中心有限公司 | Water erosion test apparatus |
| CN102407495A (en) * | 2011-11-02 | 2012-04-11 | 山东汇通机械制造有限公司 | Shot blast cleaning machine for inner wall of pipe |
| CN102854078A (en) * | 2012-09-18 | 2013-01-02 | 哈尔滨电机厂有限责任公司 | Abrasion testing machine |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN203401406U (en) * | 2013-02-28 | 2014-01-22 | 宝山钢铁股份有限公司 | Sand supply concentration control device for post-mixing high-pressure jet-cleaning |
| CN103722496A (en) * | 2013-12-25 | 2014-04-16 | 陕西北人印刷机械有限责任公司 | Automatic sandblasting mechanism of cooling roller and sandblasting method |
| CN203989948U (en) * | 2014-09-02 | 2014-12-10 | 西安皓天生物工程技术有限责任公司 | A kind of high efficiency extraction tank |
| CN204649552U (en) * | 2015-04-03 | 2015-09-16 | 天津市精谱科技有限公司 | Mechanical wear test unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389485A (en) * | 2017-07-13 | 2017-11-24 | 浙江工业大学之江学院 | A kind of slag slurry mechanical seal end wear fatigue detecting skid structure |
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|---|---|
| CN104777052B (en) | 2017-07-25 |
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