CN202201976U - Special blueing tool of hydraulic cylinder barrel - Google Patents
Special blueing tool of hydraulic cylinder barrel Download PDFInfo
- Publication number
- CN202201976U CN202201976U CN2011202281711U CN201120228171U CN202201976U CN 202201976 U CN202201976 U CN 202201976U CN 2011202281711 U CN2011202281711 U CN 2011202281711U CN 201120228171 U CN201120228171 U CN 201120228171U CN 202201976 U CN202201976 U CN 202201976U
- Authority
- CN
- China
- Prior art keywords
- plug
- cylinder
- cylinder barrel
- hydro
- screw
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a special blueing tool of a hydraulic cylinder barrel, wherein the tool is a split structure; a choke plug of a split plugging tool taking sealing effect mainly is moved toward a central direction of an inner hole of the hydraulic cylinder barrel by pushing of a plug screw. During installation, a swing between the plug screw and inner screw threads of the hydraulic cylinder barrel caused by a screw thread fit clearance cannot be transferred to the choke plug, so that the choke plug is moved axially only by the pushing of the plug screw, thereby ensuring the choke plug to be as always coaxial to the inner hole of the hydraulic cylinder barrel in movement; meanwhile, during the movement or blueing process, a central hole on the plug screw is matched with a connecting post on the choke plug so as to prevent the choke plug from jumping radially and prevent the choke plug from scraping an inner wall of the hydraulic cylinder barrel to cause reject of the hydraulic cylinder barrel. Therefore, the special blueing tool improves blueing quality and yield of the hydraulic cylinder barrel, and reduces manufacturing cost of the product correspondingly.
Description
Technical field
The utility model belongs to the metal material technical field of surface, the special use that definite saying so relates to a kind of hydro-cylinder cylinder barrel to be used when the turning blue frock of turning blue.
Background technology
The surface of part (blackout) treatment process that turns blue is used in industry extensively.The technology of turning blue is the part that the iron and steel class need be handled, and puts into liquid such as acid, alkali, and the process of turning blue after piece surface is deoiled its objective is protection iron and steel class piece surface non-corrosive in for some time.But in the hydraulic actuating mechanism of high-voltage switch gear; The bore surface of hydro-cylinder cylinder barrel need be slidingly matched with piston packing at work, so the internal surface of this endoporus L should have higher surfaceness requirement, if the roughness value of this endoporus L is big; Its frictional force will increase; Thereby increase the divide-shut brake dynamics of high-voltage switch gear, can aggravate the wearing and tearing of sealing member on the piston rod simultaneously, make hydro-cylinder produce leakage of oil, oil impregnate phenomenon; Change the parameter of high-voltage switch gear divide-shut brake; Influence the safety of high-voltage switch gear, so the internal surface of processing requirement hydro-cylinder cylinder barrel can not turn blue, the inner hole wall that particularly is slidingly matched with piston rod packing in the hydro-cylinder cylinder barrel endoporus can not have any layer that turns blue.The structure of existing hydro-cylinder cylinder barrel is as shown in Figure 1; Fig. 1 is the hydro-cylinder cylinder barrel structural representation in the common high-voltage switch gear hydraulic actuating mechanism; In this hydro-cylinder cylinder barrel, axially be provided with and be used for the endoporus L that is slidingly matched with piston rod packing; The two ends of endoporus are coaxial respectively be provided with outside hole W1, W2; Be respectively equipped with the seal section 200 that is used to that the thread segment 100 of component is installed and is used to seal endoporus L on the inwall outside two among hole W1, the W2; Wherein, the seal section 200 in the outer hole W1 in endoporus L left side is positioned at the inner near endoporus L, and its thread segment 100 is positioned at the outer end of outer hole W1 near hydro-cylinder cylinder barrel end; And radial offers the radial direction through hole 300 that is used to install oil pipe on the inner wall of cylinder between its thread segment 100 and the seal section 200, and therefore the spacing between thread segment 100 and the seal section 200 is longer among this outer hole W1.Because the endoporus L internal surface in this hydro-cylinder cylinder barrel of processing requirement can not have the layer of turning blue, therefore need be in the outer hole W1 at hydro-cylinder cylinder barrel two ends, W2 in the process of turning blue the spinning plug, with the closed at both ends of endoporus L.But because the structural limitations of hydro-cylinder cylinder barrel; Therefore selecting for use on the plug; Being uneven in length of the plug that use at the cylinder barrel two ends, the thread segment 200 outside the cylinder barrel right-hand member among the W2 of hole is nearer apart from endoporus L, and it can directly use the corresponding aperture sealing of short plug with endoporus L; And the thread segment among the W1 of hole 200 is far away apart from seal section 100 outside the cylinder barrel left end; Therefore at this outside, need the plug that uses length long among the W1 of hole, so that make the plug spinning in the cylinder barrel IT, its inner can extend axially to be avoided through hole that inner wall of cylinder radially offers and the aperture of endoporus L is sealed.But in the technology of turning blue of existing hydro-cylinder cylinder barrel; Tolerance clearance between plug and the hydro-cylinder inner wall of cylinder is less; And because the tolerance clearance that existence is caused by the limitation of complete processing between the corresponding outside screw on hydro-cylinder cylinder barrel IT and the plug; It is in the process of plug spinning corresponding IT on the hydro-cylinder cylinder barrel; All the time can there be an angle between the axis of the axis of plug and hydro-cylinder cylinder barrel; The little deviation that connecting thread produces in the precession process of plug can endoporus L be sealed and matched in plug and hydro-cylinder cylinder barrel the end produce bigger deviation, cause this plug of growing end that endoporus L is sealed and matched in plug and the hydro-cylinder cylinder barrel in the precession process outward flange can and the hydro-cylinder inner wall of cylinder between wiping, thereby on the inwall of cylinder barrel endoporus L, form cut; Scratch the inner wall of cylinder of hydro-cylinder, cause the hydro-cylinder cylinder barrel to be scrapped.
The utility model content
A purpose of the utility model is: a kind of hydro-cylinder cylinder barrel special tooling that turns blue is provided, to solve the problem that existing frock scratches inner wall of cylinder easily.
The turn blue technical scheme of special tooling of this hydro-cylinder cylinder barrel is: a kind of hydro-cylinder cylinder barrel special-purpose shutoff frock of turning blue; This shutoff frock is split type mechanism; This split type shutoff frock mainly cooperates by the plug that is used for being sealed and matched with the outer hole of hydro-cylinder cylinder barrel seal section with this plug pushing tow and is used for forming with the corresponding plug screw that spins of hydro-cylinder cylinder barrel IT; Extend axially towards the center, outer face of plug screw at said plug and to be fixed with joint pin, pegging graft to cooperate with this joint pin to offering of correspondence at the hub of said plug screw is used for retraining the centre hole of plug in the diameter run-out of hydro-cylinder cylinder barrel.
Said plug away from the end periphery of plug screw on radial offer the annular groove that twice at least are set up in parallel, corresponding respectively being arranged with is used for the sealing-ring that is sealed and matched with the hydro-cylinder inner wall of cylinder in each annular groove.
Be axially arranged with the pushing tow face that cooperates with plug outer face pushing tow at said plug screw towards the inner end of plug.
Radially offer the jack that is used for the plug-in mounting boosting-rod at said plug screw away from the outer end of plug.
Radially offer in the outer end of said plug joint pin and to be used for connecting extracting apparatus is extracted plug from the hydro-cylinder cylinder barrel connecting hole.
The utility model is that hydro-cylinder cylinder barrel endoporus is being carried out in the shutoff; In the hydro-cylinder cylinder barrel, has outside the end of radial direction through hole the split type shutoff frock of spinning in the hole; The plug that this split type shutoff frock mainly seals is under the promotion of plug screw, to move to hydro-cylinder cylinder barrel endoporus center position; In installation process, the swing that produces because of Screw Thread Fit Clearance between plug screw and the hydro-cylinder cylinder barrel IT can not be delivered on the plug, makes plug under the promotion of plug screw, only axially move; Thereby it is coaxial to have guaranteed that plug remains in moving process with hydro-cylinder cylinder barrel endoporus; And move or the process of turning blue in, avoid plug generation diameter run-out thereby cooperates with joint pin on the plug through the centre hole on the plug screw, avoided the plug hydro-cylinder cylinder barrel that scuffing causes to the hydro-cylinder inner wall of cylinder to scrap; Improve the turn blue quality and the yield rate of hydro-cylinder cylinder barrel, reduced the manufacturing cost of product accordingly.
Description of drawings
Fig. 1 is the structural representation of hydro-cylinder cylinder barrel related in the utility model specific embodiment;
Shutoff frock user mode figure when Fig. 2 turns blue for hydro-cylinder cylinder barrel in the utility model;
Fig. 3 is the structural representation of the shutoff special tooling of the utility model among Fig. 2;
Fig. 4 is the structural representation of conventional plug among Fig. 2.
Embodiment
The shutoff of the utility model is as shown in Figure 3 with special tooling; This special tooling mainly cooperates by the plug 1 that is used for being sealed and matched with hydro-cylinder cylinder barrel inner hole wall with this plug 1 pushing tow and is used for forming with the corresponding plug screw that spins 2 of hydro-cylinder cylinder barrel IT; Wherein, Plug screw 2 is cylindrical structural with plug 2; On the periphery of plug screw 2, radially convex with step; On the periphery of step, be provided be used for hole W1 outside the hydro-cylinder cylinder barrel has radial direction through hole 300 1 sides in the thread segment 100 corresponding outside screws that spin 21; Be provided with the pushing tow face that cooperates with plug 1 pushing tow towards the end of plug 1 at plug screw 2, radially be provided with side by side in two seals annular groove 12, two closure gasket grooves 12 towards the inner of hydro-cylinder cylinder barrel endoporus L at plug 1 and be separately installed with sealing-ring 13; Plug 1 towards the center of the outer face of plug screw 2 the axially extended joint pin 11 that is provided with, corresponding axially offering with the 11 corresponding grafting cooperations of this joint pin is used for retraining the centre hole 23 of plug 1 in the diameter run-out of hydro-cylinder cylinder barrel at the center of plug screw 2.
The hydro-cylinder cylinder barrel of the utility model method of turning blue is that two ends with hydro-cylinder cylinder barrel endoporus seal up with a shutoff frock respectively; After the endoporus of hydro-cylinder cylinder barrel is isolated from the outside; Go in the liquid such as acid, alkali the hydro-cylinder cylinder barrel is whole, the back realization of deoiling is turned blue to the outside surface of hydro-cylinder cylinder barrel again.Wherein, Because the restriction of hydro-cylinder cylinder barrel self structure,, have in the hydro-cylinder cylinder barrel among the outer hole W1 of radial direction through hole 300 because the spacing between its seal section 200 and the thread segment 100 is far away like Fig. 1, shown in Figure 2; Therefore need the special-purpose split type shutoff frock of spinning; In case solution stopping cylinder pressure cylinder barrel bore surface is scratched, this special-purpose shutoff frock is existing in front to be described in detail, repeats no more here; And the outer hole W2 of opposite side still adopts existing conventional shutoff frock 3 in the hydro-cylinder cylinder barrel; The structure of this routine shutoff frock 3 is as shown in Figure 4; This shutoff frock 3 is provided with outside screw 31 towards the inner at hydro-cylinder cylinder barrel endoporus center; The peripheral surface radial that is close to this outside screw 31 is provided with side by side in twice annular groove 32, two annular grooves 32 and is separately installed with sealing-ring 33, at the hub of the outer face of shutoff frock 3 to offering the interior hexagonal hole 34 that is used to plug allen wrench.
When special-purpose shutoff frock is installed; Dual mode is arranged: first kind of mode is earlier plug 1 to be inserted in the centre hole 21 of plug screw 2 through the joint pin 11 that is provided with on it; And on the sealing-ring 13 of plug 1, smear railway grease, smear railway grease and can reduce the frictional force of sealing-ring 13 and hydro-cylinder inner wall of cylinder on the one hand, thereby reduce boost torque; Railway grease can remedy the small air gap on the sealing-ring 13 on the other hand, thereby improves the sealing property of sealing-ring 13.Plug screw 2 is communicated with plug 1 together to be inserted among the outer hole W1 of hydro-cylinder cylinder barrel; In the jack 22 that plug screw 2 outer ends are radially offered, insert boosting-rod; Rotating boosting-rod makes plug screw 2 through its outside screw 21 spinnings outside on the thread segment 100 among the W1 of hole; Plug screw 2 is in the process through precession; Promote plug 1 through its inner pushing tow face that is provided with and inwardly advance along the axis of hydro-cylinder cylinder barrel, two sealing-rings 13 enter in the seal section 200 of hole W1 inside and outside the hydro-cylinder cylinder barrel till the apertures sealing with endoporus L fully on plug 1.When shutoff frock 3 commonly used is installed, also need on its sealing-ring 33, smear railway grease earlier, be rotated on the corresponding hydro-cylinder cylinder barrel IT 200 then, this frock be installed as prior art, repeat no more here.Turn blue after the end, can unload conventional shutoff frock 3 and sealing-ring 33 thereof earlier, the plug screw 2 of back-outing again takes out plug 1 and sealing-ring 13 thereof at last.Another kind of mode is that the plug 1 that will smear railway grease earlier is pushed in the seal section 200 of the outer hole W1 that has radial direction through hole 300 1 sides in the hydro-cylinder cylinder barrel; And make the distance that is installed with about 5mm between the apertures of inner face and endoporus L of plug 1; Again plug screw 2 is enclosed within back spinning on the joint pin 11 of plug 1 outer end outside on the thread segment 100 among the W1 of hole through its centre hole 23, promotes plug 1 simultaneously and inwardly advance along the axis of hydro-cylinder cylinder barrel and put in place.
Because the shutoff frock of spinning at hydro-cylinder cylinder barrel two ends all has better seal; Therefore; Install the seal cavity that formation is pressed in having necessarily among the endoporus L of back at the hydro-cylinder cylinder barrel in the shutoff frock, then that shutoff is good hydro-cylinder cylinder barrel integral body puts into acid or alkali lye turns blue.Turn blue and unload conventional shutoff frock 3 earlier after finishing, at the plug screw that unloads special-purpose shutoff frock 2, last in the connecting hole 14 that joint pin 11 outer ends are radially offered instrument such as coupling hook take out plug 1.
The utility model not only can be used for the protection of turning blue of hydro-cylinder cylinder barrel, its also can type of being used for this protection of turning blue of tube base part endoporus.
Claims (5)
1. hydro-cylinder cylinder barrel special tooling that turns blue; It is characterized in that; This frock is split type mechanism; This split type frock mainly cooperates by the plug that is used for being sealed and matched with the outer hole of hydro-cylinder cylinder barrel seal section with this plug pushing tow and is used for forming with the corresponding plug screw that spins of hydro-cylinder cylinder barrel IT; Extend axially towards the center, outer face of plug screw at said plug and to be fixed with joint pin, pegging graft to cooperate with this joint pin to offering of correspondence at the hub of said plug screw is used for retraining the centre hole of plug in the diameter run-out of hydro-cylinder cylinder barrel.
2. the hydro-cylinder cylinder barrel according to claim 1 special tooling that turns blue; It is characterized in that; Said plug away from the end periphery of plug screw on radial offer the annular groove that twice at least are set up in parallel, corresponding respectively being arranged with is used for the sealing-ring that is sealed and matched with the hydro-cylinder inner wall of cylinder in each annular groove.
3. the hydro-cylinder cylinder barrel according to claim 1 special tooling that turns blue is characterized in that, is axially arranged with the pushing tow face that cooperates with plug outer face pushing tow at said plug screw towards the inner end of plug.
4. the hydro-cylinder cylinder barrel according to claim 1 special tooling that turns blue is characterized in that, radially offers the jack that is used for the plug-in mounting boosting-rod at said plug screw away from the outer end of plug.
5. the hydro-cylinder cylinder barrel according to claim 1 special tooling that turns blue is characterized in that, radially offers in the outer end of said plug joint pin to be used for connecting extracting apparatus is extracted plug from the hydro-cylinder cylinder barrel connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202281711U CN202201976U (en) | 2011-06-30 | 2011-06-30 | Special blueing tool of hydraulic cylinder barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202281711U CN202201976U (en) | 2011-06-30 | 2011-06-30 | Special blueing tool of hydraulic cylinder barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201976U true CN202201976U (en) | 2012-04-25 |
Family
ID=45966108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202281711U Expired - Lifetime CN202201976U (en) | 2011-06-30 | 2011-06-30 | Special blueing tool of hydraulic cylinder barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295554A (en) * | 2014-02-24 | 2015-01-21 | 国家电网公司 | Switching mechanism, hydraulic operating mechanism and working cylinder of hydraulic operating mechanism |
| CN107965486A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of digital three stage servovalve |
| CN112376093A (en) * | 2020-11-20 | 2021-02-19 | 贵州新安航空机械有限责任公司 | Chemical nickel plating and electroplating protection tool for oil inlet filler neck |
-
2011
- 2011-06-30 CN CN2011202281711U patent/CN202201976U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295554A (en) * | 2014-02-24 | 2015-01-21 | 国家电网公司 | Switching mechanism, hydraulic operating mechanism and working cylinder of hydraulic operating mechanism |
| CN107965486A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of digital three stage servovalve |
| CN112376093A (en) * | 2020-11-20 | 2021-02-19 | 贵州新安航空机械有限责任公司 | Chemical nickel plating and electroplating protection tool for oil inlet filler neck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202201976U (en) | Special blueing tool of hydraulic cylinder barrel | |
| CN105013636A (en) | High-pressure water jet rotating body | |
| CN102242748B (en) | Hydraulic cylinder barrel bluing method and special tool thereof | |
| CN205383195U (en) | Hydraulic coupler | |
| CN207681516U (en) | A kind of split type big regulated quantity hydraulic pressure expansion core | |
| CN202215619U (en) | Shaft sleeve | |
| CN204381067U (en) | Combined bracket slide | |
| CN205630435U (en) | Special tool for maintaining electric pump | |
| CN204676189U (en) | Electroplating rotary drum device | |
| CN204082957U (en) | One adds U-shaped seal ring hydrocoupling | |
| CN204187144U (en) | The dual-metal clad steel pipe that can automatically lock | |
| CN203130726U (en) | Double countersunk head pull-thru rivet | |
| CN102094982A (en) | Seal baiting valve | |
| CN202280857U (en) | Half-cone-shaped plate gate valve | |
| CN203957728U (en) | For the drive axle of vehicle and there is its vehicle | |
| CN205290482U (en) | Pushing mechanism of expanding frock in lathe lathe work | |
| CN204533921U (en) | A kind of Quick connection part | |
| CN204108626U (en) | A kind of piston ring assembling apparatus | |
| CN202790506U (en) | Cylinder barrel of hydraulic lifting cylinder | |
| CN204186737U (en) | A kind of Anti-swivel bolt structure | |
| CN203030106U (en) | Magnetic roller | |
| CN204186738U (en) | A kind of anti-rotational fastening structure | |
| CN104174459B (en) | Nondestructive dismounting structure of speed reducer of roller press | |
| CN205937284U (en) | Overcoat sectional type hydraulic pressure sliding ring structure | |
| CN204186736U (en) | A kind of fastener constructions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |