CN104405810B - A kind of assembly method of inflatable monotubular shock absorber - Google Patents
A kind of assembly method of inflatable monotubular shock absorber Download PDFInfo
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- CN104405810B CN104405810B CN201410562872.7A CN201410562872A CN104405810B CN 104405810 B CN104405810 B CN 104405810B CN 201410562872 A CN201410562872 A CN 201410562872A CN 104405810 B CN104405810 B CN 104405810B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/061—Mono-tubular units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/066—Units characterised by the partition, baffle or like element
- F16F9/067—Partitions of the piston type, e.g. sliding pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
- F16F2226/045—Press-fitting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to the process technology of auto parts and components, it is a kind of assembly method of inflatable monotubular shock absorber, it is characterized in that: a first special assembly equipment, it includes a base, column, cope match-plate pattern, sleiding form, multi-functional guide pin bushing, fix up and down cylinder, cylinder and workpiece positioning seat fluctuate, guider oil seal pressing cover composition, then carry out by the following method the assembling of inflatable monotubular shock absorber: fuel tank sub-unit and piston sub-unit are put into above-mentioned special equipment, first in workpiece fuel tank sub-unit, be filled with nitrogen by the inflation inlet of multi-functional guide pin bushing, again by pouring orifice toward oiling in workpiece fuel tank sub-unit, finally by piston rod guide oil seal pressing cover, workpiece guider oil sealing sub-unit is pressed in workpiece fuel tank sub-unit, the present invention concentrates on three traditional inflatable vibration damper independent process in a frock and completes, and has greatly reduced equipment investment, has improved production efficiency, and has improved product assembly quality.
Description
Technical field
The present invention relates to the process technology of auto parts and components, especially a kind of assembly method of inflatable monotubular shock absorber.
Background technology
Compared with Double-drum type shock absorber, (referring to Fig. 1, mainly by suspension ring 1, floating piston 2, lives inflatable monotubular shock absorberPlug sub-unit 3, fuel tank sub-unit 4, connecting rod 5 guider oil sealing sub-unit 6 compositions such as grade), its tool has the following advantages: (1) adopt floatingMoving piston and reduced the system of a sleeving valve, makes designs simplification, weight saving; (2) owing to being filled with high pressure nitrogen, energy in shock absorberVibration when minimizing wheel is subject to impact suddenly, and can eliminate noise; (3) due to working cylinder and the piston diameter of single cylinder type vibration damperAll be greater than the Double-drum type shock absorber of the same terms, thereby its damping is larger, functional reliability is stronger; (4) single cylinder type vibration damper insideGases at high pressure and fluid separated by floating piston, eliminated oily emulsion, be therefore used widely.
The assembling of tradition inflatable single cylinder type vibration damper needs three process to complete, and assembly technology complexity, is respectively inflation, noteOil, press-fit guider sub-unit oil sealing. Adopt traditional processing technology need to first pack floating piston 2, piston sub-unit 3 into---make---using pressing machine to press-fit guider oil sealing sub-unit 6---used inflation welding machine from bottom inflatable welding to use oiling machine oilingConnect, finally welding bottom suspension ring 1, this technique drawback is operation and needs the comparison in equipment of use many, and first inflates afterwards and weldTechnique one easily cause shock absorber inner part sparking affect shock absorber quality, it two hangs bottom welding after assemble againRing, because the too high rubber seal sclerosis easily making on floating piston, piston sub-unit of welding temperature, and cause product failureOr lower product service life. Need three operations and three different equipment to complete assembling by old explained hereafter in addition,According to the average cost of three equipment in the market, estimate to exceed 300,000 RMB, three operations just need three behaviour simultaneouslyWorkmanship completes, and also can cause larger waste of human resource, single cylinder type vibration damper inflation, oiling in sum, press-fits oil sealingGuider divides three operations to complete will cause a large amount of personnel and the waste of equipment purchase fund thereof, and inter process accumulative total is had enough to meet the needTime is longer, has reduced production efficiency.
Summary of the invention
Object of the present invention will solve inflatable monotubular shock absorber tradition assembling mode complex process, equipment investment exactlyGreatly, production efficiency is low, and product assembly quality is undesirable, affects the problems such as product quality, and a kind of inflatable monotubular shock absorber is providedAssembly method.
Concrete scheme of the present invention is: a kind of assembly method of inflatable monotubular shock absorber, is characterized in that: first special onePlatform assembly equipment, it has a base, and four root posts are installed on base, and the top of four root posts is installed with cope match-plate pattern,Sleiding form is equipped with in the stage casing of four root posts, and the middle part of sleiding form is provided with multi-functional guide pin bushing, on multi-functional guide pin bushing, hasThe pouring orifice of upper and lower dislocation and inflation inlet, the lower end of multi-functional guide pin bushing is also provided with sealing ring; Be provided with at the middle part of cope match-plate patternFixing cylinder, its piston rod head arranges downwards, and at piston rod head, floating cylinder is housed by cylinder frame, floating is taken offenceThe same layout downwards of head of cylinder; Lower fixing cylinder is installed on base, and its piston rod head is equipped with upwards cloth of lower cylinder framePut, lower floating cylinder and four connecting rods are installed on lower cylinder frame, the upper end of four connecting rods and sleiding form are fixing to be connectedConnect; The piston crown of lower floating cylinder upwards arranges, and at the piston crown of lower floating cylinder, workpiece positioning seat is installed, and joins outwardThere is a guider oil seal pressing cover, press-fit workpiece for being contained in multi-functional guide pin bushing; Then carry out according to the following steps inflatableThe assembling of monotubular shock absorber: first be (1) welded suspension ring and fuel tank sub-unit one; (2) cylinder and solid up and down will fluctuateDetermine cylinder and back to square one, then workpiece fuel tank sub-unit is vertically put on workpiece positioning seat, open lower floating cylinder, make store oilNozzle portion external diameter coordinates with multi-functional guide pin bushing internal diameter; Make it reach sealing effectiveness by multi-functional guide pin bushing internal diameter sealing ring, by workPart floating piston packs in multi-functional guide pin bushing, and workpiece guider oil sealing sub-unit is inserted on workpiece piston rod sub-unit connecting rod, willWorkpiece piston rod sub-unit is put into multi-functional guide pin bushing, opens lower fixing cylinder workpiece fuel tank and multi-functional guide pin bushing are gone up togetherTop, makes workpiece floating piston between the upper pouring orifice and lower inflation inlet of multi-functional guide pin bushing, keeps inflation inlet and fuel tankBe communicated with, and disconnect being communicated with of pouring orifice and fuel tank, and make workpiece piston rod sub-unit withstand floating cylinder piston head, pass throughThe inflation inlet of multi-functional guide pin bushing is filled with nitrogen in workpiece fuel tank sub-unit; (3) first start upper fixing cylinder, by workpiece pistonBar sub-unit and workpiece floating piston are pressed in workpiece fuel tank sub-unit, note in workpiece fuel tank sub-unit by pouring orificeOil, packs workpiece guider oil sealing sub-unit and upper lower circlip in order in multi-functional guide pin bushing after oiling completes, and loads onto workPart guider oil seal pressing cover; (4) open upper floating cylinder, by piston rod guide oil seal pressing cover by workpiece guider oilEnvelope sub-unit is pressed in workpiece fuel tank sub-unit and arrives desired location, and all cylinder returns take out guider oil seal pressing cover,Assembly process completes, and takes out product.
In special assembly equipment described in the present invention, four cylinders and multi-functional guide pin bushing are coaxial installation.
Assembly equipment special described in the present invention is provided with convex pressure head at upper floating cylinder piston rod front end, with convenientThe guider oil seal pressing cover of exerting pressure.
In special assembly equipment described in the present invention, described guider oil seal pressing cover is for columnar structured, its sidewallHave an axially open, the connecting rod diameter of A/F >=workpiece piston rod sub-unit.
In special assembly equipment described in the present invention, on its workpiece positioning seat, have " V " shape locating slot, its center line with underFloating cylinder axis coaxle is arranged.
The present invention has the following advantages: 1. and three traditional independent process are concentrated in a frock (operation) and completed,Carry out three-in-onely, greatly reduced equipment investment fund, enhanced productivity; 2. adopt the technique of the rear oiling sealing of first inflationSignificantly reduce fraction defective that product causes in manufacture process and unnecessary production loss, avoided because of piston rubberGlue part is subject to heat ageing and affects product service life; Reduce waste of human resource, by a working day 8 of the operative employee of front threeHour assembling 1000 products bring up to assembler that just can complete 1000 products at 8 hours on working day by an operative employeeDo; 4. adopt traditional type first to assemble the technique of inflating after oiling, need to be filled with 2.5MPa nitrogen, hyperbar easily causes inflatorTracheal rupture, has lowered assembling safety coefficient. And adopt the present invention's assembling, only need to be filled with 0.3MPa nitrogen, then through being pressed intoPiston rod sub-unit compresses and just can reach inflation requirement gas.
Brief description of the drawings
Fig. 1 is inflatable monotubular shock absorber structural representation;
Fig. 2 is the schematic diagram of the special assembly equipment duty one of the present invention;
Fig. 3 is the schematic diagram of the special assembly equipment duty two of the present invention;
Fig. 4 is the schematic diagram of the special assembly equipment duty three of the present invention;
Fig. 5 is the top view of guider oil seal pressing cover.
In figure: 1-suspension ring, 2-floating piston, 3-piston rod sub-unit, 4-fuel tank sub-unit, 5-connecting rod, 6-Guider oil sealing sub-unit, 7-cylinder above fixed, 8-upper cylinder frame, 9-cope match-plate pattern, 10-upper floating cylinder, 11-convexPressure head, 12-column, 13-multi-functional guide pin bushing, 14-sleiding form, 15-connecting rod, 16-workpiece positioning seat, 17-float downwardDynamic air cylinder, 18-lower cylinder frame, 19-base, 20-lower fixing cylinder, 21-guider oil seal pressing cover, 22-axially openMouthful.
Detailed description of the invention
Referring to Fig. 1, this is the structure after inflatable monotubular shock absorber typical case general assembly, and it is by suspension ring 1, floating piston 2,Piston sub-unit 3, fuel tank sub-unit 4, connecting rod 5, guider oil sealing sub-unit 6 assembles, and its assembly technique is: headA first first special assembly equipment, it has a base 19, and the top of four root post 12, four root posts 12 is installed on base 19Sleiding form 14 is equipped with in the stage casing that portion is installed with cope match-plate pattern 9, four root posts 12, and the middle part of sleiding form 14 is provided with many meritsCan guide pin bushing 13, on multi-functional guide pin bushing 13, have pouring orifice and the inflation inlet of upper and lower dislocation, also establish the lower end of multi-functional guide pin bushing 13There is sealing ring; Be provided with and fix cylinder 7 at the middle part of cope match-plate pattern 9, its piston rod head arranges downwards, and at piston rod headBy upper cylinder frame 8, upper floating cylinder 10 is housed, the same layout downwards of head of upper floating cylinder 10; On base 19, be provided withLower fixing cylinder 20, its piston rod head is equipped with lower cylinder frame 18, upwards arranges, is provided with to float downward and takes offence on lower cylinder frame 18The upper end of cylinder 17 and 15, four connecting rods 15 of four connecting rods is fixedly connected with sleiding form 14; The piston of lower floating cylinder 17Head upwards arranges, and at the piston crown of lower floating cylinder 17, workpiece positioning seat 16 is installed, and is furnished with a guider oil outwardEnvelope pressing sleeve 21, press-fits workpiece for being contained in multi-functional guide pin bushing 13; Then carry out according to the following steps inflatable monotubular shock absorberAssembling: first be (1) welded suspension ring 1 and fuel tank sub-unit 4 one; (2) cylinder 17 and fix up and down cylinder will fluctuate20 back to square one, then workpiece fuel tank sub-unit 4 is vertically put on workpiece positioning seat 16, referring to Fig. 2, open lower floating cylinder17, fuel tank oral area external diameter is coordinated with multi-functional guide pin bushing internal diameter; Make it reach close by multi-functional guide pin bushing 13 internal diameter sealing ringsEnvelope effect, packs workpiece floating piston 2 in multi-functional guide pin bushing 13 into, and guider oil sealing sub-unit 6 is inserted in piston rod sub-unit 3 and connectsOn bar, workpiece piston rod sub-unit 3 is put into multi-functional guide pin bushing 13, open lower fixing cylinder 20 by workpiece fuel tank and many meritsCan above push up together by guide pin bushing 13, make workpiece floating piston 2 between the upper pouring orifice and lower inflation inlet of multi-functional guide pin bushing 13, protectHold inflation inlet and be communicated with fuel tank, and disconnect being communicated with of pouring orifice and fuel tank, and make workpiece piston rod sub-unit 3 withstand floatingDynamic air cylinder piston head is filled with nitrogen by the inflation inlet of multi-functional guide pin bushing 13 in workpiece fuel tank sub-unit 4; (3) on first startingFixing cylinder 7, is pressed into workpiece piston rod sub-unit 3 and workpiece floating piston 2 in workpiece fuel tank sub-unit 4, referring to Fig. 3,By pouring orifice toward the 4 interior oilings of workpiece fuel tank sub-unit, after oiling completes by workpiece guider oil sealing sub-unit 6 and up and down cardSpring packs in multi-functional guide pin bushing 13 in order, and loads onto workpiece guider oil seal pressing cover 21; (4) open upper floating cylinder 10, logicalCross piston rod guide oil seal pressing cover 21 workpiece guider oil sealing sub-unit 6 is pressed into the 4 interior arrival of workpiece fuel tank sub-unitDesired location, referring to Fig. 4, all cylinder returns, take out guider oil seal pressing cover 21, and assembly process completes, and takes out product.
In special assembly equipment described in the present embodiment, four cylinders and multi-functional guide pin bushing 13 are coaxial installation.
Assembly equipment special described in the present embodiment is provided with convex pressure head 11 at upper floating cylinder 10 piston rod front ends,To facilitate the guider oil seal pressing cover 21 of exerting pressure.
In special assembly equipment described in the present embodiment, described guider oil seal pressing cover 21 is columnar structured, itsSidewall has an axially open 22, and referring to Fig. 5, the connecting rod diameter of A/F >=workpiece piston rod sub-unit (is generally got largeBest in 1-2mm, to facilitate guider oil seal pressing cover to be set with through connecting rod).
In special assembly equipment described in the present embodiment, on its workpiece positioning seat 16, have " V " shape locating slot, its center lineArrange with lower floating cylinder 17 axis coaxles.
Claims (5)
1. an assembly method for inflatable monotubular shock absorber, is characterized in that: a first special assembly equipment, it has an endSeat, is provided with four root posts on base, the top of four root posts is installed with cope match-plate pattern, and slip is equipped with in the stage casing of four root postsTemplate, the middle part of sleiding form is provided with multi-functional guide pin bushing, has pouring orifice and the inflation of upper and lower dislocation on multi-functional guide pin bushingMouthful, the lower end of multi-functional guide pin bushing is also provided with sealing ring; Be provided with and fix cylinder at the middle part of cope match-plate pattern, its piston rod head toLower layout, and floating cylinder is housed, the same layout downwards of head of upper floating cylinder by cylinder frame at piston rod head; ?Lower fixing cylinder is installed on base, and its piston rod head is equipped with lower cylinder frame upwards to be arranged, under being provided with on lower cylinder frameFloating cylinder and four connecting rods, the upper end of four connecting rods is fixedly connected with sleiding form; The piston crown of lower floating cylinderUpwards arrange, and at the piston crown of lower floating cylinder, workpiece positioning seat be installed, be furnished with a guider oil seal pressing cover outward,Be used for being contained in multi-functional guide pin bushing and press-fit workpiece; Then carry out according to the following steps the assembling of inflatable monotubular shock absorber: (1) firstBy suspension ring and the fuel tank sub-unit one that is welded; (2) will fluctuate cylinder and fix up and down cylinder and back to square one, then by workpieceFuel tank sub-unit is vertically put on workpiece positioning seat, opens lower floating cylinder, makes fuel tank oral area external diameter and multi-functional guide pin bushingInternal diameter coordinates; Make it reach sealing effectiveness by multi-functional guide pin bushing internal diameter sealing ring, pack workpiece floating piston into multi-functional leadingIn cover, workpiece guider oil sealing sub-unit is inserted on workpiece piston rod sub-unit connecting rod, and workpiece piston rod sub-unit is put into manyIn function guide pin bushing, open lower fixing cylinder by workpiece fuel tank and multi-functional guide pin bushing upper top together, workpiece floating piston is positioned atBetween the upper pouring orifice of multi-functional guide pin bushing and lower inflation inlet, keep inflation inlet to be communicated with fuel tank, and disconnect pouring orifice and storageThe connection of oil cylinder, and make workpiece piston rod sub-unit withstand floating cylinder piston head, past by the inflation inlet of multi-functional guide pin bushingIn workpiece fuel tank sub-unit, be filled with nitrogen; (3) first start upper fixing cylinder, workpiece piston rod sub-unit and workpiece are floated alivePlug is pressed in workpiece fuel tank sub-unit, by pouring orifice toward oiling in workpiece fuel tank sub-unit, after oiling completes by workpieceGuider oil sealing sub-unit and upper lower circlip pack in multi-functional guide pin bushing in order, and load onto workpiece guider oil seal pressing cover;(4) open upper floating cylinder, by piston rod guide oil seal pressing cover, workpiece guider oil sealing sub-unit is pressed into workpiece store oilIn cylinder sub-unit, arrive desired location, all cylinder returns, take out guider oil seal pressing cover, and assembly process completes, and takes out and producesProduct.
2. the assembly method of a kind of inflatable monotubular shock absorber according to claim 1, is characterized in that: described special dressArrange standby in, four cylinders and multi-functional guide pin bushing be coaxial installation.
3. the assembly method of a kind of inflatable monotubular shock absorber according to claim 1, is characterized in that: described special dressArrange for convex pressure head being installed at upper floating cylinder piston rod front end, to facilitate the guider oil seal pressing cover of exerting pressure.
4. the assembly method of a kind of inflatable monotubular shock absorber according to claim 1, is characterized in that: described special dressArrange standby in, described guider oil seal pressing cover is for columnar structured, its sidewall has an axially open, A/F >=workThe connecting rod diameter of part piston rod sub-unit.
5. the assembly method of a kind of inflatable monotubular shock absorber according to claim 1, is characterized in that: described special dressArrange standby in, on its workpiece positioning seat, have " V " shape locating slot, its center line and lower floating cylinder axis coaxle layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562872.7A CN104405810B (en) | 2014-10-22 | 2014-10-22 | A kind of assembly method of inflatable monotubular shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562872.7A CN104405810B (en) | 2014-10-22 | 2014-10-22 | A kind of assembly method of inflatable monotubular shock absorber |
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| Publication Number | Publication Date |
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| CN104405810A CN104405810A (en) | 2015-03-11 |
| CN104405810B true CN104405810B (en) | 2016-05-18 |
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| CN201410562872.7A Expired - Fee Related CN104405810B (en) | 2014-10-22 | 2014-10-22 | A kind of assembly method of inflatable monotubular shock absorber |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729096B (en) * | 2016-05-09 | 2018-03-20 | 深圳市铭利达精密机械有限公司 | One kind is used for device for installing clamp spring |
| CN108180249B (en) * | 2018-01-05 | 2023-11-21 | 深圳市新沧海机械有限公司 | Inflatable flanging machine |
| CN111503209B (en) * | 2020-06-03 | 2024-02-13 | 锦州立德减振器有限公司 | Vibration damper inflation and closing-in integrated machine |
| CN112122905A (en) * | 2020-09-08 | 2020-12-25 | 安徽千禧精密轴承制造有限公司 | Ceramic carrier roller pressing sleeve device |
| CN114526305B (en) * | 2022-02-14 | 2023-04-07 | 中船重工鹏力（南京）智能装备系统有限公司 | Automatic inflation pre-sealing device and method for automobile shock absorber |
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| CN101101032A (en) * | 2006-07-06 | 2008-01-09 | 浙江正裕工业有限公司 | Single-cylinder aerating package process and package device |
| CN202527902U (en) * | 2012-03-01 | 2012-11-14 | 东风（十堰）发动机减震器有限公司 | Shock absorber assembly one-piece mechanism |
| CN203344000U (en) * | 2013-07-12 | 2013-12-18 | 上海汇众汽车车桥系统有限公司 | Improved shock absorber assembly tool |
| CN203477154U (en) * | 2013-10-15 | 2014-03-12 | 浙江亚之星汽车部件有限公司 | Single-cylinder high-pressure vibration reduction column-type shock absorber |
| CN103909406A (en) * | 2014-03-19 | 2014-07-09 | 常州朗锐凯迩必减振技术有限公司 | Tightening device for hydraulic shock absorber assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004232653A (en) * | 2003-01-28 | 2004-08-19 | Kayaba Ind Co Ltd | Single cylinder type hydraulic shock absorber |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101032A (en) * | 2006-07-06 | 2008-01-09 | 浙江正裕工业有限公司 | Single-cylinder aerating package process and package device |
| CN202527902U (en) * | 2012-03-01 | 2012-11-14 | 东风（十堰）发动机减震器有限公司 | Shock absorber assembly one-piece mechanism |
| CN203344000U (en) * | 2013-07-12 | 2013-12-18 | 上海汇众汽车车桥系统有限公司 | Improved shock absorber assembly tool |
| CN203477154U (en) * | 2013-10-15 | 2014-03-12 | 浙江亚之星汽车部件有限公司 | Single-cylinder high-pressure vibration reduction column-type shock absorber |
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| CN104405810A (en) | 2015-03-11 |
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