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CN108180248A - A kind of compression valve assembly - Google Patents

A kind of compression valve assembly Download PDF

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Publication number
CN108180248A
CN108180248A CN201711497541.XA CN201711497541A CN108180248A CN 108180248 A CN108180248 A CN 108180248A CN 201711497541 A CN201711497541 A CN 201711497541A CN 108180248 A CN108180248 A CN 108180248A
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CN
China
Prior art keywords
valve
compression
compression valve
weight
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711497541.XA
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Chinese (zh)
Inventor
赵阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanyang Cijan Auto Shock Absorber Co Ltd
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Nanyang Cijan Auto Shock Absorber Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Nanyang Cijan Auto Shock Absorber Co Ltd filed Critical Nanyang Cijan Auto Shock Absorber Co Ltd
Priority to CN201711497541.XA priority Critical patent/CN108180248A/en
Publication of CN108180248A publication Critical patent/CN108180248A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/10Ferrous alloys, e.g. steel alloys containing cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The present invention provides a kind of compression valve assemblies, belong to vehicle shock absorber mounting technology field, including compensation valve guard, compression valve seat and compression valve screw;First tapped through hole and throttle orifice are set on the compression valve seat, the compensation valve guard is arranged on the side of the compression valve seat, the compression valve screw is arranged on the opposite side of the compression valve seat, after the compression valve screw sequentially passes through gasket, several compression valve block, compression throttling valve block, described first tapped through holes, it is connect with the recuperation valve stop screw.The present invention solve product during the work time when compensator valve plate is opened due to " rumble " Abnormal Sound for generating, extend the service life of damper.

Description

A kind of compression valve assembly
Technical field
The present invention relates to vehicle shock absorber mounting technology fields, and in particular to a kind of compression valve assembly.
Background technology
With the development of automobile industry, consumer is also higher and higher to automobile requirement, such as riding stability and row It sails mute etc..And riding stability and the mute grade of traveling restrict riding experience of the client to automobile always.For accelerate vehicle frame with The attenuation of body vibrations improves the comfort of the traveling of automobile, and damper is housed inside the suspension system of most of automobiles.
Compression valve assembly is the critical component in damper, the upper end of the compression valve seat of traditional compression valve assembly need according to It is secondary by the first gasket, compensator valve plate, the second gasket after, connection compensation valve guard, step is sufficiently complex.Moreover, in routine In damper work, recuperation valve valve block in compression valve assembly with fluid compensating flowrate number and open therewith number, no The deformation of compensator valve plate and spring is only increased, leads to the reduction of life of product, more crucially opens just uncontrolled, oil Liquid by when, generate either large or small " rumble " sound ...
The material of existing compensation valve guard is used for a long time generally using general carbon steel, easy to wear and deformation, shadow Ring the service life and performance of compensation valve guard.
Notification number is that the patent of CN206268362U discloses a kind of pure valve plate-type compression valve assembly, including compression valve seat and Compression valve rod, compression valve seat are equipped with damping hole, and the upper end of compression valve seat is equipped with upwardly recuperation valve throttle valve plate, recuperation valve successively Valve block, compensation Valve seal and compensation valve retainer, the lower end of compression valve seat are equipped with compression throttling valve block, compression valve successively downwards Piece, compression Valve seal and compression valve retainer, compression valve rod from the bottom up pass through compression valve retainer, compression Valve seal, compression valve block, By riveting after compression throttling valve block, compression valve seat, recuperation valve throttle valve plate, recuperation valve valve block, compensation Valve seal and compensation valve retainer Tightly.The adjustable damping force range of the utility model is big, improves damper comfort level, which slows down in damper work Abnormal sound be what is realized by improving the response speed of compensator valve plate, it is impossible to abnormal sound is inherently eliminated, as damper uses The growth of time, each valve block will appear different degrees of abrasion, aging, and the response speed of compensator valve plate will slow down, vibration damping The abnormal sound of device will increase.
The patent that notification number is CN204477160U discloses a kind of compression valve of shock absorber and with its damper, compression Valve include valve seat, across valve seat guide rod, be arranged on the guide bar and positioned at valve seat side valve block and positioned at valve seat it is another The non-return valve block of side, further includes the block being set on the guide rod and recuperation valve spring leaf, and recuperation valve spring leaf is clipped in gear Between block and the non-return valve block, and non-return valve block is pressed on the valve seat by recuperation valve spring leaf.The utility model subtracts It shakes device compression valve, by setting recuperation valve spring leaf between block and non-return valve block, recuperation valve spring leaf pushes down check-valves piece, The Lift of recuperation valve spring leaf is smaller, ensures that non-return valve block is more smoothly opened, closed, while also add check-valves The sensitivity of piece switch can alleviate the abnormal sound caused by non-return valve block does not timely respond to, but make for a long time to a certain extent With the flexibility decrease of spring leaf does not also solve the abnormal sound of damper fundamentally, and service life is short, and the utility model fills With complex process, cost low production efficiency.
Invention content
In view of this, the present invention provides a kind of compression valve assemblies, solve product during the work time because of compensator valve plate " rumble " Abnormal Sound is generated during opening, extends the service life of damper.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of compression valve assembly, including compensation valve guard, compression valve seat and compression valve screw;Is set on the compression valve seat One tapped through hole and throttle orifice, the compensation valve guard are arranged on the side of the compression valve seat, and the compression valve screw is set The opposite side in the compression valve seat is put, the compression valve screw sequentially passes through gasket, several compression valve block, compression throttling valves It after piece, first tapped through hole, is connect with the recuperation valve stop screw, the bottom setting cover of the compression valve screw Lid.
Further, the surface of the compensation valve guard is circle, is uniformly set in the plane of the compensation valve guard Put 4 through-holes, the centrally disposed round boss of the compensation valve guard side sets the second tapped through hole on the boss.
Further, the number of the compression valve block is 3.
Further, after the compensation valve guard is connect with the compression valve screw, riveting is fixed.
Further, the material of the compensation valve guard is manganese alloy.
Further, the component and its content that the manganese alloy includes be:Iron 70-82 parts by weight, manganese 15-22 weight Part, carbon 0.9-1.5 parts by weight, silicon 1.2-2.1 parts by weight, phosphorus 0.01-0.04 parts by weight, zirconium 2.5-3.4 parts by weight, molybdenum 1-1.4 Parts by weight, cobalt 1.1-1.5 parts by weight.
Further, the grain size of the iron powder is 10-40 μm.
The beneficial effects of the invention are as follows:The damper technique of valve guard is compensated, is to solve damper in use Have what is developed in the demand of abnormal sound, its application, solving the problems, such as vehicle, there are abnormal sounds in the process of moving.
The upper end of the compression valve seat of traditional compression valve assembly needs the first gasket installed successively, compensator valve plate, second Gasket and compensation valve guard, working efficiency is low, replaces with integral type compensation valve guard, simplifies installation step, improve Production efficiency, it is cost-effective.The present invention solve product during the work time when compensator valve plate is opened due to " rumble " that generates Abnormal Sound extends the service life of damper.
The material that valve guard is compensated in the present invention is manganese alloy, and manganese steel hardness is high, wear-resisting property is good.In alloy material The ingredients such as silicon, zirconium, molybdenum are added, improve the wear-resisting property of alloy material, impact resistance is good, shows good toughness and modeling Property, it is easy to process.Carbon has solution strengthening effect in manganese alloy material, stablizes internal structure tissue.The addition of phosphorus, prevents Distortion of lattice is generated, inhibits growing up for precipitated phase, improves the hardness and tensile strength of material.Molybdenum has stronger affine with carbon Power, the two are combined with iron phase, improve the toughness and wear-resisting property of material.Cobalt improves the toughness of material, reduces alloy material and liquidates The sensibility hit.Zirconium stable chemical performance, corrosion resistance and good are combined with iron phase, improve the intensity and corrosion resistance of material, are prevented Only corrosion of the fluid to compensation valve guard, improves its service life.
The present invention cleverly improves compression valve assembly, by original gasket, compensator valve plate, compensation valve guard etc. It is integrated, is changed to integral type compensation valve guard, simplifies the installation of parts, fundamentally solve original fluid and pass through The abnormal sound generated during compensator valve plate, prolongs the service life.The integral type compensation valve guard that the present invention uses controls compensation very well The height that valve block is opened, so as to avoid the vibration frequency of the vibration frequency of damper and automobile, solves damper abnormal sound, is The promotion of the muting function of vehicle is made that contribution.It can be used not only for the spring compression valve assembly knot with compensation valve spring Structure can be also used for the compression valve assembly structure of pure valve block.The compression valve assembly of the present invention is assembled on vehicle shock absorber, Ensure restore and as compress force value in the case of, after durable 1,000,000 times damping force decay within 10%, fully meet product Quality requirement.It is compared with conventional damper, the present invention cost-effective 0.5% or so, difference is mainly reflected in original recuperation valve limit Position device size is big, complex process.Valve guard is compensated in the present invention to be made of special manganese alloy material, is had excellent Mechanical performance and corrosion resistance, are used cooperatively with compression valve seat, increase service life.At present, compression valve assembly of the invention It has been applied in the assembling of our company's damper, has simplified assembly technology, has reduced the processing and assembling of parts, significantly improve Production efficiency.
Description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the compression valve assembly of the embodiment of the present invention one.
Fig. 2 is the structure diagram of the compensation valve guard of the embodiment of the present invention one.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention Attached drawing 1-2, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this The part of the embodiment of invention, instead of all the embodiments.Based on described the embodiment of the present invention, the common skill in this field Art personnel's all other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment one
Refering to Fig. 1, this embodiment offers a kind of compression valve assembly, including compensation valve guard 6, compression valve seat 5 and compression valve Screw rod 1;First tapped through hole 11 and throttle orifice 7 are set on the compression valve seat 5, and the compensation valve guard 6 is arranged on described The side of compression valve seat 5, the compression valve screw 1 are arranged on the opposite side of the compression valve seat 5, the compression valve screw 1 according to It is secondary gasket 2, first to be passed through to compress valve block 13, second and compress valve block 12, second compress valve block 13, compression throttling valve block 4, described the It after one tapped through hole 11, is threadedly coupled with the compensation valve guard 6, the bottom setting the cover 14 of the compression valve screw 1.
Referring to Fig.2, the surface of the compensation valve guard 6 is circle, uniformly set in the plane of the compensation valve guard 6 Put 4 through-holes 9, the centrally disposed round boss 10 of 6 side of the compensation valve guard sets the second screw thread on the boss 10 Through-hole 8.
During assembling, gasket 2 is sleeved on the compression valve screw 1, then the first compression of assembling valve block 12, second is pressed successively Contracting valve block 3, compression throttling valve block 4, the first tapped through hole 11 and compensation valve guard 6 are threadedly coupled.First tapped through hole, 11 He The internal diameter of second tapped through hole 8 matches with compressing the outer diameter of valve screw 1.The present invention compensates valve guard using integral type, Reduce the usage quantity of gasket, while integral type compensation valve guard plays the role of fixed limiting again, solves previous benefit Repay the abnormal sound generated when valve block is opened.The cover 14 prevents from loosening, while prevents the entrance of dust.
Embodiment two
A kind of compression valve assembly that the embodiment provides, is the improvement carried out on the basis of embodiment one:The recuperation valve limit After position device is connect with the compression valve screw, riveting is fixed.The material for compensating valve guard is manganese alloy.
The compensation valve guard, first using after being threadedly coupled, is fixed, more with the compression valve screw with rivet Securely.The material for compensating valve guard is manganese alloy, and manganese alloy mechanical strength is good, wear-resisting, and service life is long.
Embodiment three
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:70 parts by weight of iron, 15 parts by weight of manganese, 0.9 parts by weight of carbon, silicon 1.2 parts by weight, 0.01 parts by weight of phosphorus, 2.5 parts by weight of zirconium, 1 parts by weight of molybdenum, 1.1 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 100 DEG C, and the time is 1h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 30min under the conditions of 700 DEG C, so After be passed through hydrogen, continue to be heated to 1300 DEG C, melting 2h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 1.5h at 200 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Example IV
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:72 parts by weight of iron, 17 parts by weight of manganese, 1 parts by weight of carbon, silicon 1.5 parts by weight, 0.02 parts by weight of phosphorus, 1.6 parts by weight of zirconium, 1.1 parts by weight of molybdenum, 1.2 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 100 DEG C, and the time is 1.5h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 40min under the conditions of 700 DEG C, so After be passed through hydrogen, continue to be heated to 1300 DEG C, melting 2.5h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 1.5h at 220 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Embodiment five
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:75 parts by weight of iron, 18 parts by weight of manganese, 1.2 parts by weight of carbon, silicon 1.7 parts by weight, 0.02 parts by weight of phosphorus, 2.8 parts by weight of zirconium, 1.2 parts by weight of molybdenum, 1.2 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 100 DEG C, and the time is 2h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 45min under the conditions of 700 DEG C, so After be passed through hydrogen, continue to be heated to 1300 DEG C, melting 3h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 2h at 220 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Embodiment six
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:78 parts by weight of iron, 20 parts by weight of manganese, 1.3 parts by weight of carbon, silicon 1.8 parts by weight, 0.03 parts by weight of phosphorus, 3 parts by weight of zirconium, 1.3 parts by weight of molybdenum, 1.3 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 150 DEG C, and the time is 2h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 45min under the conditions of 800 DEG C, so After be passed through hydrogen, continue to be heated to 1400 DEG C, melting 3h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 2h at 250 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Embodiment seven
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:80 parts by weight of iron, 21 parts by weight of manganese, 1.4 parts by weight of carbon, silicon 2 parts by weight, 0.03 parts by weight of phosphorus, 3.2 parts by weight of zirconium, 1.4 parts by weight of molybdenum, 1.4 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 150 DEG C, and the time is 2.5h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 30min under the conditions of 800 DEG C, so After be passed through hydrogen, continue to be heated to 1500 DEG C, melting 2h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 3h at 250 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Embodiment eight
The embodiment provides the manganese alloy material of the compensation valve guard.
The component and its content that the manganese alloy includes be:82 parts by weight of iron, 22 parts by weight of manganese, 1.5 parts by weight of carbon, silicon 2.1 parts by weight, 0.04 parts by weight of phosphorus, 2.3 parts by weight of zirconium, 1.4 parts by weight of molybdenum, 3.4 parts by weight of cobalt.
The grain size of the iron powder is 10-40 μm.
The preparation method of the potassium steel alloy material comprises the steps of:
S1:All raw materials are mixed, are then placed in vacuum drying oven progress vacuum preheating, temperature is 150 DEG C, and the time is 3h obtains mixed raw material;
S2:The obtained mixed raw materials of step S1 are placed in smelting furnace, are passed through argon gas, the melting 45min under the conditions of 850 DEG C, so After be passed through hydrogen, continue to be heated to 1500 DEG C, melting 3h obtains melting matter;
S3:The obtained melting matters of step S2 are poured into water cooling ingot mould, room temperature is naturally cooled to, obtains ingot casting;
S4:The obtained ingot castings of step S3 are placed in annealing furnace, anneal 3h at 260 DEG C, obtains manganese alloy material.
The heating rate heated in the step S2 is 15-20 DEG C/min.
Comparative example one
The comparative example provides a kind of manganese alloy material, including the same example IV of component and its content, the manganese alloy material Material, comprising the step of same example IV, but unlike example IV, which is not added with zirconium and molybdenum.
Comparative example two
The comparative example provides a kind of manganese alloy material, including component and its content with embodiment five, the manganese alloy material Material, comprising the step of with embodiment five, but unlike embodiment five, which is not added with zirconium.
Comparative example three
The comparative example provides a kind of manganese alloy material, including component and its content with embodiment six, the manganese alloy material Material, comprising the step of with embodiment six, but unlike embodiment six, which is not added with molybdenum and cobalt.
Comparative example four
The comparative example provides a kind of manganese alloy material, including component and its content with embodiment seven, the manganese alloy material Material, comprising the step of with embodiment seven, but unlike embodiment seven, in comparative example step S2, be not passed through argon gas and hydrogen Gas.
Performance test:
1)Mechanical property
10mm standard tensile specimens and l0mm × l0mm × 55mm impact specimens is processed in Y type test blocks to examine for mechanical property It surveys.Stretching experiment is carried out on III 60 tons of universal hydraulic testing machines of ET.Impact experiment is carried out on 30/15 shock machine.
2)Abrasion test
The abrasive wear experiment for testing manganese alloy is the abrasive test under relatively low impact force, according to abrasion before and after test steel The weight of loss investigates the wear-resisting property of material.The good of wear-resisting property is obtained by comparing the weightlessness of different embodiment samples It is bad, and the excellent of qualification test steel wearability is come with this.
Test procedure:
(1) it is the sample alcohol washes of well cutting are clean, after drying, weighed with assay balance.
(2) test process 2 samples every time, specimen size are 70mm × 10mm × 8mm, the examination being separately fixed on turntable In sample hole, and specimen coding label is carried out, be embedded in quartz sand, then set abrasion rotating speed as 200r/min, the time for 24 hours, opens Machine is worn.
(3) it after wearing, takes out sample and rinses well, after dry, weighed using assay balance.
(4) record and comparative test steel bodies lost weight.
The Measurement results such as table 1 of embodiment three to eight and comparative example one to four:
The test result of 1 embodiment of table and comparative example
Tensile strength(MPa) Elongation(%) Impact value(g/cm2 Wear extent(g)
Embodiment three 1220 15.2 125 0.0096
Example IV 1240 15.7 126 0.0092
Embodiment five 1290 16.6 130 0.0085
Embodiment six 1320 17.7 133 0.0080
Embodiment seven 1920 17.4 130 0.0083
Embodiment eight 1224 16.8 125 0.0089
Comparative example one 1010 9.8 94 0.0566
Comparative example two 920 9.5 88 0.0356
Comparative example three 985 10.1 87 0.0485
Comparative example four 966 10.2 97 0.0384
As can be seen from Table 1:1)Embodiment three to eight shows good comprehensive performance:With excellent mechanical performance, draw Intensity is stretched in more than 1220MPa, and elongation is more than 15.2%, and buckles are in 125g/cm2More than, 24 hours mills on turntable Damage amount is in 0.0096g hereinafter, wear-resisting property is excellent.2)Comparative example one lacks zirconium and molybdenum compared with example IV;Comparative example two with Embodiment five is compared, and lacks zirconium 5;Comparative example three lacks molybdenum and cobalt compared with embodiment six;Comparative example four and seven phase of embodiment Than in step S2, not being passed through argon gas and hydrogen;The performance of the material of comparative example one to four is poorer than embodiment three to eight.Molybdenum with Iron phase combines, and improves the toughness and wear-resisting property of material, and comparative example one and three lacks molybdenum, the impact flexibility and mill of alloy material It is worst to damage performance.Cobalt improves the toughness of material, reduces sensibility of the alloy material to impact, and comparative example three lacks cobalt, material Impact flexibility is poor.Zirconium stable chemical performance is combined with iron, chromium, improves the intensity of material, and comparative example two lacks zirconium and chromium, Comparative example one lacks zirconium, and the tensile strength and elongation of material are poor.Argon gas and hydrogen shield are passed through, reduces gaseous impurity in air Be mixed into, ensure the purity of raw material, comparative example four is not passed through argon gas and hydrogen, and comprehensive performance is poor.Illustrate between each raw material it is phase It is auxiliary to coordinate, lack any raw material, the performance of material will be decreased obviously.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of compression valve assembly, it is characterised in that:Including compensation valve guard, compression valve seat and compression valve screw;The pressure First tapped through hole and throttle orifice are set on contracting valve seat, and the compensation valve guard is arranged on the side of the compression valve seat, institute The opposite side that compression valve screw is arranged on the compression valve seat is stated, the compression valve screw sequentially passes through gasket, several compressions It after valve block, compression throttling valve block, first tapped through hole, is connect with the recuperation valve stop screw, the compression valve spiral shell The bottom setting the cover of bar.
2. a kind of compression valve assembly as described in claim 1, it is characterised in that:The surface of the compensation valve guard is circle Shape is uniformly arranged 4 through-holes in the plane of the compensation valve guard, the centrally disposed circle of the compensation valve guard side Boss sets the second tapped through hole on the boss.
3. a kind of compression valve assembly as described in claim 1, it is characterised in that:The number of the compression valve block is 3.
4. a kind of compression valve assembly as described in claim 1, it is characterised in that:The compensation valve guard and the compression valve After screw rod connection, riveting is fixed.
It is 5. as claimed in claim 2 a kind of with a kind of compression valve assembly, it is characterised in that:The material of the compensation valve guard Expect for manganese alloy.
It is 6. as claimed in claim 5 a kind of with a kind of compression valve assembly, it is characterised in that:The group that the manganese alloy includes Divide and its content is:Iron 70-82 parts by weight, manganese 15-22 parts by weight, carbon 0.9-1.5 parts by weight, silicon 1.2-2.1 parts by weight, phosphorus 0.01-0.04 parts by weight, zirconium 2.5-3.4 parts by weight, molybdenum 1-1.4 parts by weight, cobalt 1.1-1.5 parts by weight.
7. a kind of compression valve assembly as claimed in claim 6, it is characterised in that:The grain size of the iron powder is 10-40 μm.
CN201711497541.XA 2017-12-29 2017-12-29 A kind of compression valve assembly Pending CN108180248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711497541.XA CN108180248A (en) 2017-12-29 2017-12-29 A kind of compression valve assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711497541.XA CN108180248A (en) 2017-12-29 2017-12-29 A kind of compression valve assembly

Publications (1)

Publication Number Publication Date
CN108180248A true CN108180248A (en) 2018-06-19

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CN202215655U (en) * 2011-08-03 2012-05-09 宁波金城减震器有限公司 Bottom valve assembly of shock absorber
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CN103225645A (en) * 2013-05-08 2013-07-31 山东高强紧固件有限公司 Gas inlet pipe bolt for engine
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Application publication date: 20180619