CN204127029U - A kind of hydraulic jack of high wear resistance - Google Patents
A kind of hydraulic jack of high wear resistance Download PDFInfo
- Publication number
- CN204127029U CN204127029U CN201420586620.3U CN201420586620U CN204127029U CN 204127029 U CN204127029 U CN 204127029U CN 201420586620 U CN201420586620 U CN 201420586620U CN 204127029 U CN204127029 U CN 204127029U
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- CN
- China
- Prior art keywords
- piston
- piston rod
- cylinder barrel
- guide sleeve
- cylinder
- 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 - Fee Related
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- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of hydraulic jack of high wear resistance, comprise cylinder barrel, cylinder tail, guide sleeve, piston and piston rod; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel; The internal surface of described cylinder barrel is provided with carburized case; Slide in cylinder barrel and be provided with piston, be provided with piston packing between piston and inner wall of cylinder, in piston, be provided with tapped hole, piston rod is fixed on piston by tapped hole, is provided with O RunddichtringO between piston rod and piston; The right-hand member of described piston rod is through guide sleeve; The internal surface of described guide sleeve is provided with wearing layer.Cylinder barrel internal surface is provided with carburized case, adds the wear resistance between cylinder barrel and piston, improve the working life of cylinder barrel and piston; The surface of the Contact of piston rod and guide sleeve is provided with wearing layer, not only plays lubrication, also prevents the wearing and tearing of piston rod and guide sleeve, greatly improves working life.
Description
Technical field
The utility model relates to a kind of hydraulic jack, specifically a kind of hydraulic jack of high wear resistance.
Background technique
Oil hydraulic cylinder changes hydraulic energy into mechanical energy, do the hydraulic actuator of straight reciprocating motion (or oscillating motion), hydraulic energy is converted to mechanical energy by it, when realizing to-and-fro motion with it, speed reducer can be removed from, and there is no drive gap, stable movement, be therefore used widely in the hydraulic system of various machinery.But the connection part of the connection part of existing guide sleeve for hydraulic oil cylinder and piston rod, piston and cylinder body is due to long-time friction, the phenomenon of piston, piston rod wearing and tearing can be there is, connect and easily occur loosening, cause cylinder seal to decline, reduce machining accuracy, be under heavy load conditions, its Impact direction more complicated, uneven, piston rod even can be caused time serious stuck, the life-span of hydraulic jack is reduced greatly, changes the cost that hydraulic jack adds equipment virtually.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic jack being provided with the high wear resistance of carburized case and wearing layer, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A hydraulic jack for high wear resistance, comprises cylinder barrel, cylinder tail, guide sleeve, piston and piston rod; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel, and cylinder tail, guide sleeve are connected with cylinder barrel respectively by screw, and cylinder tail and cylinder barrel are respectively arranged with oilhole; The internal surface of described cylinder barrel is provided with carburized case; Slide in cylinder barrel and be provided with piston, be provided with piston packing between piston and inner wall of cylinder, in piston, be provided with tapped hole, piston rod is fixed on piston by tapped hole, is provided with O RunddichtringO between piston rod and piston; The right-hand member of described piston rod, through guide sleeve, is provided with this special seal between piston rod and guide sleeve; The internal surface of described guide sleeve is provided with wearing layer, and described wearing layer is graphite wearing layer; Installation passage is offered in described piston rod.
Further: the thickness of described carburized case is 0.3 ~ 0.5mm.
Further: the right-hand member of described piston rod is installed with earrings.
Further: the thickness of described wearing layer is 1 ~ 3mm.
Further: the diameter of described installation passage is 1/3 ~ 1/2 of the diameter of piston rod.
Compared with prior art, the beneficial effects of the utility model are: cylinder barrel internal surface is provided with carburized case, add the wear resistance between cylinder barrel and piston, improve the working life of cylinder barrel and piston; The surface of the Contact of piston rod and guide sleeve is provided with wearing layer, can not only play lubrication, can also prevent the wearing and tearing of piston rod and guide sleeve, substantially increases the working life of piston rod and guide sleeve.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of hydraulic jack of high wear resistance.
In figure: 1-cylinder barrel, 2-cylinder tail, 3-guide sleeve, 4-piston, 5-piston rod, 6-carburized case, 7-wearing layer, 10-installs passage, 11-earrings, 12-piston packing, 13-O RunddichtringO, the special seal of 14-Si.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to figure, in the utility model embodiment, a kind of hydraulic jack of high wear resistance, comprises cylinder barrel 1, cylinder tail 2, guide sleeve 3, piston 4 and piston rod 5; Described cylinder tail 2 and guide sleeve 3 are separately positioned on the two ends of cylinder barrel 1, and cylinder tail 2, guide sleeve 3 are connected with cylinder barrel 1 respectively by screw, and cylinder tail 2 and cylinder barrel 1 are respectively arranged with oilhole; The internal surface of described cylinder barrel 1 is provided with the carburized case 6 of one deck through Carburization Treatment, the thickness of carburized case 6 is 0.3 ~ 0.5mm, and carburized case 6 can make cylinder barrel 1 internal surface of infiltrate carbon obtain very high hardness, improves its rub proofness; Slide in cylinder barrel 1 and be provided with piston 4, piston packing 12 is provided with between piston 4 and cylinder barrel 1 inwall, the left and right sides cavity sealing of piston 4 is not communicated, tapped hole is provided with in piston 4, piston rod 5 is fixed on piston 4 by tapped hole, between piston rod 5 and piston 4, be provided with O RunddichtringO 13, O RunddichtringO 13 make to seal between piston 4 and piston rod 5; The right-hand member of described piston rod 5, through guide sleeve 3, the right-hand member of piston rod 5 is installed with earrings 11, is provided with this special seal 14 between piston rod 5 and guide sleeve 3; The internal surface of described guide sleeve 3 is provided with wearing layer 7, described wearing layer 7 is graphite wearing layer, the thickness of wearing layer 7 is 1 ~ 3mm, this graphite wearing layer has good heat-resisting quantity, electric conductivity, thermal conductivity, stable chemical performance, intensity is high, and friction factor is little, greasy property is good, improves work efficiency and the working life of hydraulic jack; Offer installation path 10 in described piston rod 5, the diameter installing path 10 is 1/3 ~ 1/2 of the diameter of piston rod 5, installs in path 10 and is provided with electric wire or pipeline etc.
Cylinder barrel 1 internal surface is provided with carburized case 6, adds the wear resistance between cylinder barrel 1 and piston 4, improve the working life of cylinder barrel 1 and piston 4; The surface of the Contact of piston rod 5 and guide sleeve 3 is provided with wearing layer 7, can not only play lubrication, can also prevent the wearing and tearing of piston rod 5 and guide sleeve 3, substantially increases the working life of piston rod 5 and guide sleeve 3.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (5)
1. a hydraulic jack for high wear resistance, comprises cylinder barrel (1), cylinder tail (2), guide sleeve (3), piston (4) and piston rod (5); It is characterized in that: described cylinder tail (2) and guide sleeve (3) are separately positioned on the two ends of cylinder barrel (1), and cylinder tail (2), guide sleeve (3) are connected with cylinder barrel (1) respectively by screw, cylinder tail (2) and cylinder barrel (1) are respectively arranged with oilhole; The internal surface of described cylinder barrel (1) is provided with carburized case (6); Slide in cylinder barrel (1) and be provided with piston (4), piston packing (12) is provided with between piston (4) and cylinder barrel (1) inwall, tapped hole is provided with in piston (4), piston rod (5) is fixed on piston (4) by tapped hole, is provided with O RunddichtringO (13) between piston rod (5) and piston (4); The right-hand member of described piston rod (5), through guide sleeve (3), is provided with this special seal (14) between piston rod (5) and guide sleeve (3); The internal surface of described guide sleeve (3) is provided with wearing layer (7), described wearing layer (7) is graphite wearing layer; Offer in described piston rod (5) and passage (10) is installed.
2. the hydraulic jack of a kind of high wear resistance according to claim 1, is characterized in that: the thickness of described carburized case (6) is 0.3 ~ 0.5mm.
3. the hydraulic jack of a kind of high wear resistance according to claim 1, is characterized in that: the right-hand member of described piston rod (5) is installed with earrings (11).
4. the hydraulic jack of a kind of high wear resistance according to claim 1, is characterized in that: the thickness of described wearing layer (7) is 1 ~ 3mm.
5. the hydraulic jack of a kind of high wear resistance according to claim 1, is characterized in that: the diameter of described installation passage (10) is 1/3 ~ 1/2 of the diameter of piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586620.3U CN204127029U (en) | 2014-10-12 | 2014-10-12 | A kind of hydraulic jack of high wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586620.3U CN204127029U (en) | 2014-10-12 | 2014-10-12 | A kind of hydraulic jack of high wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127029U true CN204127029U (en) | 2015-01-28 |
Family
ID=52383388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420586620.3U Expired - Fee Related CN204127029U (en) | 2014-10-12 | 2014-10-12 | A kind of hydraulic jack of high wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065365A (en) * | 2015-08-14 | 2015-11-18 | 中国铁建重工集团有限公司 | Hydraulic cylinder |
| CN105090161A (en) * | 2015-08-11 | 2015-11-25 | 徐州重型机械有限公司 | Anti-abrasion oil-air cylinder and engineering machine |
-
2014
- 2014-10-12 CN CN201420586620.3U patent/CN204127029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090161A (en) * | 2015-08-11 | 2015-11-25 | 徐州重型机械有限公司 | Anti-abrasion oil-air cylinder and engineering machine |
| CN105065365A (en) * | 2015-08-14 | 2015-11-18 | 中国铁建重工集团有限公司 | Hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20191012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |