CN202937446U - Split type piston guide ring, split type piston, piston cylinder and concrete pumping device - Google Patents
Split type piston guide ring, split type piston, piston cylinder and concrete pumping device Download PDFInfo
- Publication number
- CN202937446U CN202937446U CN 201220640049 CN201220640049U CN202937446U CN 202937446 U CN202937446 U CN 202937446U CN 201220640049 CN201220640049 CN 201220640049 CN 201220640049 U CN201220640049 U CN 201220640049U CN 202937446 U CN202937446 U CN 202937446U
- Authority
- CN
- China
- Prior art keywords
- guide ring
- piston
- split
- split piston
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a split type piston guide ring. The split type piston guide ring comprises a guide ring main body, guide ring flanges are formed at two ends of the guide ring main body along the circumferential direction, an annular groove is enabled to be formed between the two guide ring flanges, a plurality of through grooves distributed along the circumferential direction are formed in one of the guide ring flanges, and each through groove extends along the axial direction of the split type piston guide ring and is communicated with the annular groove. By means of the split type piston guide ring, by the formation of the through grooves in one guide ring flange, the through grooves are communicated with the annular groove, and thereby lubricating oil or lubricating grease entering into the annular groove can flow to a split type piston sealing body of the split type piston through the through grooves, then the split type piston sealing body is lubricated effectively, and thereby the service life of the split type piston is prolonged. The utility model further discloses a split type piston using the split type piston guide ring, a piston cylinder comprising the split type piston and a concrete pumping device comprising the piston cylinder.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of Split piston guide ring, Split piston, piston cylinder and concrete pumping equipment.
Background technique
In the concrete pumping equipments such as concrete pump, pump truck, Vehicle loaded pump, concrete cylinder is housed, concrete piston is housed in concrete cylinder, one end of concrete piston is connected with the adpting flange of oil cylinder by its adpting flange, the other end end face directly contacts with concrete, making whole piston send at main pump under the drive of cylinder piston rod moves reciprocatingly, thereby realize concrete pumpdown is completed in concrete suction action.
Usually comprise one-piece piston and Split piston in existing concrete piston cylinder.Wherein, one-piece piston is stored lubricant oil or lubricating grease by front lip to the space between rear lip, to satisfy sufficient lubrication.But the lubricant oil that one-piece piston is required or the amount of lubricating grease are large, and owing to lacking special-purpose guide ring, the phenomenon of eccentric wear easily occurs.
Be not with oil groove piston or band oil groove piston and comprise in Split piston, for not being with the oil groove piston, during its sufficient lubrication, the amount of required lubricant oil or lubricating grease is large, and lubricant oil or lubricating grease easily run off.For band oil groove piston, the lubricant oil that its sufficient lubrication is required or lubricating grease are about 2/3rds of grooved piston not, but the restricted in flow between different oil grooves due to lubricant oil or lubricating grease, being injected in the lubricant oil at piston middle part and rear portion or lubricating grease is difficult to flow to and needs most lubricated anterior lip port part, make piston reduce wear-resisting property because the anterior lip port part can not get effectively lubricating, and then cause reduce the working life of piston.
The model utility content
The purpose of this utility model is to provide a kind of Split piston guide ring, and this Split piston guide ring can provide effectively lubricated to the Split piston seal, thereby improves the working life of Split piston.
To achieve these goals, the utility model provides a kind of Split piston guide ring, this Split piston guide ring comprises the guide ring main body, wherein, described guide ring main body circumferentially is formed with the guide ring flange on the edge, two ends, make between two guide ring flanges and be formed with annular groove, be formed with a plurality of grooves that distribute along circumferentially on a described guide ring flange of described Split piston guide ring, each described groove extending axially and communicating with described annular groove along described Split piston guide ring.
Preferably, along the width sum of the described groove that circumferentially distributes be described guide ring main body outer perimeter 1/4 ~ 1/3.
Preferably, it is 8 ~ 16 along the described groove that circumferentially distributes.
Preferably, described groove is along circumferentially evenly distributing.
Preferably, be formed with overlap on another described guide ring flange, the diameter of this overlap is greater than the diameter of described guide ring flange.
Another purpose of the present utility model is to provide a kind of Split piston, and this Split piston has higher working life.
in order to realize above-mentioned another purpose, the utility model provides a kind of Split piston, this Split piston comprises the piston rod link that is fixed together successively, piston body and gland, be provided with guide ring on described piston body, this guide ring is folded between the flange of described piston rod link and described piston body, and be provided with the Split piston seal on described gland, this Split piston seal is folded between the flange of the front-end face of described piston body and described gland, wherein, described guide ring is above-described Split piston guide ring, and be formed with described groove on the guide ring flange of the close described Split piston seal of described Split piston guide ring.
Preferably, the thickness of described Split piston guide ring is less than the thickness of described Split piston seal.
Another purpose of the present utility model is to provide a kind of piston cylinder, and this piston cylinder has higher working life.
In order to realize above-mentioned another purpose, the utility model provides a kind of piston cylinder, this piston cylinder comprises cylinder body and is positioned at movably piston of this cylinder body, wherein, described piston is above-mentioned Split piston, be provided with lubricated hydraulic fluid port on described cylinder body, this lubricated hydraulic fluid port is positioned on the cylinder body of travel range of described Split piston.
A purpose more of the present utility model is to provide a kind of concrete pumping equipment, and this concrete pumping equipment has higher working life.
In order to realize an above-mentioned purpose again, the utility model provides a kind of concrete pumping equipment, wherein, this concrete pumping equipment comprises above-mentioned piston cylinder, and in the described Split piston of this piston cylinder and described concrete pumping equipment, main pump send the piston rod of oil cylinder to be connected.
The utility model is by forming groove on a guide ring flange of Split piston guide ring, make groove communicate with annular groove, the lubricant oil or the lubricating grease that enter into like this annular groove can flow to by groove the Split piston seal of Split piston, so that the Split piston seal is carried out effectively lubricating, thus the working life of improving Split piston.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that the master of Split piston guide ring of the present utility model looks schematic diagram;
Fig. 2 is the enlarged diagram of partial structurtes in Fig. 1.
Fig. 3 is the cross-sectional view of piston cylinder of the present utility model.
Description of reference numerals
1 cylinder body 2 Split pistons
11 lubricated hydraulic fluid port 21 Split piston seals
22 Split piston guide ring 23 piston rod links
24 piston body 25 glands
212 sealing lip 221 guide ring main bodys
222 guide ring flange 223 annular grooves
224 groove 225 overlaps
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do opposite explanation, the noun of locality of use typically refers to upper and lower, left and right in accompanying drawing as " upper and lower, left and right ".
Referring to Fig. 1 to Fig. 3, the utility model relates to a kind of Split piston guide ring, comprises guide ring main body 221, and this guide ring main body 221, makes to be formed with annular groove 223 between two guide ring flanges 222 along circumferentially being formed with guide ring flange 222 at two ends.Wherein, guide ring flange 222 diameters of Split piston guide ring 22 should be slightly smaller than the diameter of cylinder of piston cylinder, so that lubricant oil or lubricating grease flow out from Split piston guide ring 22.
For lubricant oil or lubricating grease are flowed better, the utility model is formed with a plurality of grooves 224 that distribute along circumferentially on a guide ring flange 222 of Split piston guide ring 22, each groove 224 extending axially and communicating with annular groove 223 along Split piston guide ring 22.
As shown in Figure 3, when Split piston guide ring 22 with Split piston seal 21(because Split piston seal 21 is known in those skilled in the art, be not described in detail) in the cylinder body of piston cylinder during cooperating, the guide ring flange 222 that is formed with groove 224 on Split piston guide ring 22 is arranged near Split piston seal 21, the effectively lubricating zone of the sealing lip 212 of Split piston seal 21 is zones shown in b in figure, and best regions of lubrication is the zone shown in a in figure.In order to make lubrication effect reach best, interior lubricant oil or the lubricating grease in zone shown in b is flowed in the zone shown in a as much as possible.
Therefore, the utility model is by arranging groove 224 on Split piston guide ring 22, make the lubricant oil or the lubricating grease that are injected in annular groove 223 to flow on the sealing lip 212 of Split piston seal 21 by groove 224, sealing lip 212 is carried out sufficient lubrication, thereby improve the wear-resisting property of Split piston seal 21.
Preferably, along the width sum of a plurality of grooves 224 that circumferentially distribute be guide ring main body 221 outer perimeter 1/4 ~ 1/3.By making groove 224 reach above-mentioned width range, can be so that lubricant oil or lubricating grease flow to Split piston seal 21 rapidly.
Be appreciated that the number of groove 224 very little, will affect flowing of lubricant oil or lubricating grease, and the number of groove 224 be too many, will affect the support strength of Split piston guide ring 22.Therefore, reach at groove 224 on the basis of above-mentioned width range, be preferably 8 ~ 16 along the described groove 224 that circumferentially distributes, be beneficial to flowing of lubricant oil or lubricating grease, guarantee simultaneously guide ring flange 222 support strength diametrically.
In addition, these grooves 224 are preferably along circumferentially evenly distributing, so that lubricant oil or lubricating grease is along circumferentially flowing to equably on the sealing lip 212 of Split piston seal 21, thereby guarantee that sealing lip 212 evenly lubricates upwards being able in week.
Can be found out by Fig. 1 and Fig. 2, be formed with overlap 225 on another guide ring flange 222 of Split piston guide ring 22, the diameter of this overlap 225 is greater than the diameter of guide ring flange 222, one might rather say, after Split piston is installed in the cylinder body of piston cylinder, the diameter of overlap 225 is a bit larger tham the diameter of cylinder body 1, so that overlap 225 can play sealing and dustproof effect.
Based on above-described Split piston guide ring 22, the utility model can relate to a kind of Split piston.Referring to Fig. 3, Split piston 2 of the present utility model comprises the piston rod link 23 that is fixed together successively, piston body 24, gland 25 and at the guide ring 22 that arranges on piston body 24 and the Split piston seal 21 that arranges on gland 25.Wherein, stopper rod link 23 is used for sending the piston rod of oil cylinder to be connected with the concrete pumping equipment main pump, piston body 24 is used for supporting whole Split piston 2, gland 25 is used for directly contacting with material, and stopper rod link 23, piston body 24 and gland 25 can be fixed together simultaneously by the bolt shown in figure, but are not limited to this means of fixation.In addition, piston rod link 23 can be to connect the multiple link that main pump send the piston rod of oil cylinder, for example in the utility model, uses flange to connect.About the structure of flange, to send the Placement etc. of the piston rod of oil cylinder with main pump be all conventionally known to one of skill in the art, thereby repeat no more.
Particularly, the set-up mode of Split piston guide ring 22 is folded between the flange of piston rod link 23 and piston body 24 for it, and be formed with the guide ring flange 22 of groove 224 near Split piston seal 21, be formed with the guide ring flange 22 of overlap 225 away from Split piston seal 21.And the set-up mode of Split piston seal 21 is folded in for this its between flange of the front-end face of piston body 24 and gland 25, and the sealing lip 212 of Split piston seal 21 is positioned at the periphery of gland 25.Wherein, the flange of piston body 24 plays vertically support and restriction effect simultaneously to guide ring 22 and Split piston seal 21, and the flange of same gland 25 can play vertically support and restriction effect to Split piston seal 21.Due to unlike the prior art, this Split piston 2 has adopted above-mentioned Split piston guide ring 22, thereby has increased the sufficient lubrication to Split piston seal 21, thereby has improved the working life of Split piston 2.
Need to prove, in the utility model, after " forward and backward " refers to that Split piston 2 is arranged in the cylinder body of piston cylinder, direction towards the pumping material is " front ", otherwise, be " afterwards " towards the direction that absorbs material, thereby the front-end face of described piston body 24 (front-end face that comprises the flange of piston body 24) is the right side in Fig. 3.
And, will also be appreciated that Split piston seal 21 must have higher wear-resisting property because of its seal action, the Split piston seal 21 that relative thickness is larger has relatively high wear-resisting property.But for the Split piston seal 21 of being made by elastic material, thickness is larger, and resiliently deformable is more, more easily produces eccentric wear.For this reason, can shaping-orientation ring 22 thickness less than Split piston seal 21, guide ring 22 is supported by the piston body 24 of rigid material, plays leading role and has prevented Split piston seal 21 eccentric wears.
In addition, the utility model also relates to a kind of piston cylinder, and this piston cylinder comprises cylinder body 1 and be positioned at movably piston of this cylinder body 1, and wherein, described piston is according to above-described Split piston 2.As shown in Figure 3, be provided with lubricated hydraulic fluid port 11 on cylinder body 1, should lubricated hydraulic fluid port 11 should be arranged on the cylinder body 1 in the travel range of Split piston 2, with when Split piston 2 moves forward or backward, lubricant oil or lubricating grease are injected between guide ring 22 and Split piston seal 21.
In addition, the utility model also relates to a kind of concrete pumping equipment, this concrete pumping equipment comprises above-mentioned piston cylinder, and in the Split piston 2 of this piston cylinder and concrete pumping equipment, main pump send the piston rod of oil cylinder to be connected, with suction and the pumping procedure that carries out concrete materials.As shown in Figure 3, when moved the inside of cylinder body 1, piston cylinder carried out the suction process when Split piston 2, and when moved the outside of cylinder body 1, piston cylinder carried out pumping procedure when Split piston 2.No matter be suction process or pumping procedure, on cylinder body 1, lubricated hydraulic fluid port 11 is all to Split piston 2 jet lubrication oil or lubricating grease, and on split type guide ring 22, the lubricant oil in annular groove 223 or lubricating grease all flow to Split piston seal 21 by groove 224, be lubricated with the sealing lip 212 to Split piston seal 21, thereby improve the overall wear resistance energy of Split piston 2, and then the working life of effectively having improved piston cylinder.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characteristics described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. Split piston guide ring, this Split piston guide ring (22) comprises guide ring main body (221), it is characterized in that, described guide ring main body (221) circumferentially is formed with guide ring flange (222) on the edge, two ends, make and be formed with annular groove (223) between two guide ring flanges (222), be formed with a plurality of grooves (224) that distribute along circumferentially on a described guide ring flange (222) of described Split piston guide ring (22), each described groove (224) extending axially and communicating with described annular groove (223) along described Split piston guide ring (22).
2. Split piston guide ring according to claim 1, is characterized in that, along the width sum of a plurality of described groove (224) that circumferentially distributes be described guide ring main body (221) outer perimeter 1/4 ~ 1/3.
3. Split piston guide ring according to claim 1, is characterized in that, is 8 ~ 16 along the described groove (224) that circumferentially distributes.
4. Split piston guide ring according to claim 1, is characterized in that, described groove (224) is along circumferentially evenly distributing.
5. the described Split piston guide ring of any one according to claim 1 to 4, it is characterized in that, be formed with overlap (225) on another described guide ring flange (222), the diameter of this overlap (225) is greater than the diameter of described guide ring flange (222).
6. Split piston, this Split piston (2) comprises the piston rod link (23) that is fixed together successively, piston body (24) and gland (25), be provided with guide ring on described piston body (24), this guide ring is folded between the flange of described piston rod link (23) and described piston body (24), be provided with Split piston seal (21) on described gland (25), this Split piston seal (21) is folded between the flange of the front-end face of described piston body (24) and described gland (25), it is characterized in that, described guide ring is the described Split piston guide ring of any one according to claim 1 to 4 (22), and be formed with described groove (224) on the guide ring flange (222) of the close described Split piston seal (21) of described Split piston guide ring (22).
7. Split piston according to claim 6, is characterized in that, the thickness of described Split piston guide ring (22) is less than the thickness of described Split piston seal (21).
8. piston cylinder, this piston cylinder comprises cylinder body (1) and is positioned at movably piston of this cylinder body (1), it is characterized in that, described piston is according to claim 6 or 7 described Split pistons (2), be provided with lubricated hydraulic fluid port (11) on described cylinder body (1), this lubricated hydraulic fluid port (11) is positioned on the cylinder body (1) of travel range of described Split piston (2).
9. a concrete pumping equipment, is characterized in that, this concrete pumping equipment comprises piston cylinder according to claim 8, and in the described Split piston (2) of this piston cylinder and described concrete pumping equipment, main pump send the piston rod of oil cylinder to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640049 CN202937446U (en) | 2012-11-28 | 2012-11-28 | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640049 CN202937446U (en) | 2012-11-28 | 2012-11-28 | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202937446U true CN202937446U (en) | 2013-05-15 |
Family
ID=48321688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640049 Expired - Lifetime CN202937446U (en) | 2012-11-28 | 2012-11-28 | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202937446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798230A (en) * | 2019-03-05 | 2019-05-24 | 温岭市牧屿红旗机床厂 | A kind of high pressure cleaning pump of planetary structure |
| CN110360317A (en) * | 2019-06-06 | 2019-10-22 | 龙口润林家电配件有限公司 | Piston seal and its processing technology |
-
2012
- 2012-11-28 CN CN 201220640049 patent/CN202937446U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798230A (en) * | 2019-03-05 | 2019-05-24 | 温岭市牧屿红旗机床厂 | A kind of high pressure cleaning pump of planetary structure |
| CN110360317A (en) * | 2019-06-06 | 2019-10-22 | 龙口润林家电配件有限公司 | Piston seal and its processing technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202926589U (en) | Split piston sealing body, split piston, piston cylinder and concrete pumping equipment | |
| CN202937446U (en) | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device | |
| KR20140045519A (en) | Piston pump | |
| CN103742378B (en) | A kind of radial plunger hydraulic pump adopting guiding valve flow | |
| CN202768520U (en) | Plunger cylinder, hydraulic system and engineering machinery | |
| CN103362768B (en) | Mine Multi-cylinder dual slurry pump | |
| CN103527909A (en) | High pressure gas sealed wire rope lubricator | |
| CN106763415A (en) | Hydro-pneumatic spring floating piston | |
| CN102966530A (en) | Split-type piston seal body, split-type piston, piston cylinder and concrete pumping equipment | |
| CN205423388U (en) | Hydro -cylinder with guide structure | |
| CN106838096A (en) | Hydro-pneumatic spring self-lubricating compensates floating piston | |
| CN204511865U (en) | Plunger assembly and water lubrication crankshaft type high-pressure plunger pump | |
| CN204327955U (en) | The accumulator of a kind of seal piston apparatus and use sealing piston apparatus | |
| CN106801717A (en) | Hydro-pneumatic spring main piston | |
| CN204610267U (en) | A kind of conveying cylinder and pumping machine | |
| CN203035837U (en) | Automobile damper | |
| CN106151167A (en) | Hydraulic Double bumper post plug cylinder | |
| CN104534254A (en) | Novel ultrahigh pressure electric grease filling machine | |
| CN205117889U (en) | Active anti side is carried entry driving machine and is impeld hydraulic cylinder | |
| CN202326170U (en) | Oil leakage prevention structure at power end | |
| CN211259538U (en) | Detachable efficient lubricating bevel gear shaft | |
| CN203114781U (en) | Plunger type multistage cylinder barrel guiding sliding block self-lubricating device of autodumper | |
| CN104405720A (en) | Piston-free reciprocating hydraulic cylinder | |
| CN202579427U (en) | Compact excavator cylinder | |
| CN205423673U (en) | Inflatable bumper shock absorber director seal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |