CN206448935U - Concrete piston and pumping system and concrete pump - Google Patents
Concrete piston and pumping system and concrete pump Download PDFInfo
- Publication number
- CN206448935U CN206448935U CN201621318624.9U CN201621318624U CN206448935U CN 206448935 U CN206448935 U CN 206448935U CN 201621318624 U CN201621318624 U CN 201621318624U CN 206448935 U CN206448935 U CN 206448935U
- Authority
- CN
- China
- Prior art keywords
- piston
- concrete
- concrete piston
- kollag
- seal
- 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.)
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Links
- 238000005086 pumping Methods 0.000 title claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004519 grease Substances 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 abstract description 5
- 238000009837 dry grinding Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of concrete piston and pumping system and concrete pump, the concrete piston includes piston only, seal, the guide ring of the front-end and back-end of the piston only are circumferentially separately positioned on, its main points is on the seal or/and guide ring, to be also inlaid with kollag.Due to being inlaid with kollag, self-lubricating effect can be played, and solid lubricant film is formed between frictional contact surface, reduce the direct contact and friction between rubbing surface, the fretting wear between seal, guide ring and conveying cylinder without that can reduce concrete piston by outside supply, improves the service life of concrete piston and conveying cylinder.It is discontinuous or when interrupting in the input of extraneous lubricant grease, still keep preferable lubricant effect, it is to avoid unlubricated and dry grinding operating mode appearance.Added in addition, extraneous lubricant grease can be changed to interruption manually by automatically continuously addition, reduce use cost, simplify lubrication configuration.
Description
Technical field
The utility model is related to concrete pump mechanical field, more particularly to a kind of concrete piston and pumping system and concrete
Pump.
Background technology
In the concrete pump course of work, will constantly occur reciprocating relative motion between concrete piston and conveying cylinder, cause
Seal, the guide ring of concrete piston directly contact with the inwall of conveying cylinder and occur fretting wear, when abrasion runs up to certain journey
After degree, then may occur the problem of spillage is even entirely ineffective.Therefore, in order to reduce the seal of concrete piston, guide ring with it is defeated
The abrasion between the inwall of cylinder is sent to occur, it is necessary to assure there is preferable lubricant effect between concrete piston and conveying cylinder.
In the prior art, one be by convey oilhole on cylinder and connect oilhole lubricating pipe batch (-type) to rubbing surface
Lubricating oil or lubricating grease are inputted, so as to reach the purpose of lubrication, but which, one is lubricating oil or lubricating grease only to up to oilhole
Around place and the oilhole, do not ensure that concrete piston is preferably lubricated everywhere, two be by extraneous conveying lubricating oil or
Lubricating grease, once lubricating pipe or control device break down, just can not lubricate or lubricate not in time, cause larger abrasion；
Two are, in the manufacturing process of concrete piston, and lubricant particles are added in the feed or solid lubricant film are plated in concrete piston face,
So as to reach the purpose of lubrication, but which lubricant effect is limited, it is impossible to meet industrial requirement.Therefore, existing lubricating system,
Cause concrete piston and conveying cylinder abrasion it is larger, service life is relatively low.How a kind of self-lubricating effect is provided good, without by outer
Power can reduce the lubricating system that weares and teares between concrete piston and conveying cylinder, and the service life for improving concrete piston and conveying cylinder is at present urgently
A technical problem to be solved.
Utility model content
In view of this, the utility model proposes a kind of concrete piston, including piston only, circumferentially it is separately positioned on the work
Fill in seal, the guide ring of the front-end and back-end of body；
On the periphery of the seal or/and the guide ring, kollag is also inlaid with.
Further, it is circumferentially arranged to have boss on the seal；Set fluted or first logical on the boss
Hole；The kollag is arranged in the groove or the first through hole.
Further, the quantity of the boss, is 2-3.
Further, the kollag is ring-type, is embedded in the groove.
Further, it is provided with the second through hole on the guide ring；The kollag is additionally arranged at described second and led to
In hole.
Further, the kollag is bar-shaped, is embedded in the first through hole or/and second through hole.
Further, the kollag is any one in graphite, molybdenum disulfide, polytetrafluoroethylene (PTFE).
In addition, the utility model also provides a kind of pumping system, including master cylinder and conveying cylinder；The master cylinder is provided with
Main oil cylinder piston and the main oil cylinder piston bar being connected with the main oil cylinder piston；Above-mentioned arbitrary concrete is set in the conveying cylinder
Piston, the concrete piston is connected with the main oil cylinder piston bar.
In addition, the utility model also provides a kind of concrete pump, including above-mentioned arbitrary pumping system.
Concrete piston and pumping system and concrete pump that the utility model is provided, due on seal or/and guide ring
Kollag is inlaid with, self-lubricating effect can be played, and solid lubricant film is formed between frictional contact surface, seal is reduced
Or/and the direct contact and friction of guide ring and conveying cylinder, without the sealing of concrete piston can be reduced by outside supply
Fretting wear between body, guide ring and conveying cylinder, improves the service life of concrete piston and conveying cylinder.In extraneous lubricant grease
When input is discontinuous or interrupts, preferable lubricant effect is still kept, it is to avoid unlubricated and dry grinding operating mode appearance.In addition, extraneous
Lubricant grease can be changed to interruption manually by automatically continuously addition and add, and reduce use cost, simplify lubrication configuration.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of one embodiment of pumping system of the present utility model；
Fig. 2 is the structural representation of one embodiment of concrete piston of the present utility model；
Fig. 3 is the enlarged drawing shown in Fig. 2 at the A of concrete piston；
Fig. 4 is the structural representation of another embodiment of concrete piston of the present utility model.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.To describe concrete piston of the present utility model and pumping system and concrete pump in detail, below with reference to the accompanying drawings simultaneously
Describe the utility model in detail in conjunction with the embodiments.
As shown in figure 1, being concrete piston applications of the present utility model in the structural representation of traditional pumping system.The pumping system
System includes master cylinder 10 and conveying cylinder 20.Wherein, main oil cylinder piston 11 is provided with master cylinder 10 and is connected with main oil cylinder piston 11
The main oil cylinder piston bar 12 connect.It is provided with conveying cylinder 20 based on concrete piston 21 of the present utility model, concrete piston 21 and master cylinder
Piston rod 12 is connected.Because the pumping system is provided with based on concrete piston of the present utility model, and with preferably lubricant effect,
The coefficient of friction between concrete piston 21 and conveying cylinder 20 can be significantly reduced, reduces frictional resistance, and then improve concrete piston
21 and conveying cylinder 20 service life.
Specifically, Fig. 1-3 shows a preferred embodiment of concrete piston of the present utility model, including piston only 100
And be circumferentially separately positioned on the seal 200 of the front-end and back-end of piston only 100, guide ring 300, its invention objective be
On the periphery of seal 200 or/and guide ring 300, kollag 400 is inlaid with.Specifically, being inlayed on seal 200
, can as shown in Figure 3 (Fig. 3 be enlarged drawing) in Fig. 2 at A during kollag, the circumferentially arranged boss on seal 200
210, and groove 220 is set on boss 210, the kollag 400 of ring-type is inlayed in groove 220；Or as shown in Figure 4
First through hole 230 is set on boss 210, bar-shaped kollag 400 is inlayed in the first through hole 230.Specifically
, on guide ring 300 during solid lubricant inlaid, the second through hole 310 can be set on guide ring 300 as in Figure 2-4,
And inlay stick solid lubricant 400 in second through hole 310.
Concrete piston of the present utility model, due to being inlaid with kollag on seal 200 or/and guide ring 300
400, self-lubricating effect can be played, and form between frictional contact surface solid lubricant film, reduce direct contact between rubbing surface and
Between friction, the seal 200, guide ring 300 and conveying cylinder 20 without concrete piston can be reduced by outside supply
Fretting wear, improves the service life of concrete piston and conveying cylinder.It is discontinuous or when interrupting in the input of extraneous lubricant grease, still protect
Hold preferable lubricant effect, it is to avoid unlubricated and dry grinding operating mode appearance.In addition, extraneous lubricant grease can be by automatically continuously adding
It is changed to interruption manually to add, reduces use cost, simplifies lubrication configuration.
More specifically, the quantity of the boss 210, width；The quantity of groove 220, width；First through hole 230, second is led to
Quantity, size, the depth in hole 310 can arbitrarily be set according to actual needs.It is preferred that, boss 210 is 2-3, is uniformly distributed
On seal 200；Groove 220 is arranged on the middle position of boss 210, encloses and sets around boss 210 1；First through hole 230,
Second through hole 310 is evenly distributed on guide ring 300, and its cross section is preferably circular, oval, rhombus etc..
It is more highly preferred to, kollag 400 is to include the one or more in graphite, molybdenum disulfide, polytetrafluoroethylene (PTFE)
Mixture.
In addition, any pumping system is also applied to based on concrete piston of the present utility model, it is a kind of based on this practicality to provide
New pumping system, and also there is provided a kind of concrete pump including the pumping system on this basis.Above-mentioned pumping system and
Concrete pump, is provided with the concrete piston of basic utility model design, and the combination of its technical characteristic and technique effect are no longer gone to live in the household of one's in-laws on getting married herein
State.Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model.It is all new in this practicality
Within the spirit and principle of type, any modification, equivalent substitution and improvements made etc. should be included in protection of the present utility model
Within the scope of.
Claims (9)
1. a kind of concrete piston, it is characterised in that including piston only (100), be circumferentially separately positioned on the piston only
(100) seal (200), the guide ring (300) of front-end and back-end；
On the periphery of the seal (200) or/and the guide ring (300), kollag (400) is also inlaid with.
2. concrete piston according to claim 1, it is characterised in that circumferentially arranged to have boss on the seal (200)
(210)；Fluted (220) or first through hole (230) are set on the boss (210)；The kollag (400) is arranged on
In the groove (220) or the first through hole (230).
3. concrete piston according to claim 2, it is characterised in that the quantity of the boss (210), is 2-3.
4. concrete piston according to claim 3, it is characterised in that the kollag (400) is ring-type, is embedded in institute
State in groove (220).
5. concrete piston according to claim 2, it is characterised in that be provided with the second through hole on the guide ring (300)
(310)；The kollag (400) is additionally arranged in second through hole (310).
6. concrete piston according to claim 5, it is characterised in that the kollag (400) is bar-shaped, is embedded in institute
State in first through hole (230) or/and second through hole (310).
7. the concrete piston according to claim 1-6 any one, it is characterised in that the kollag (400) is stone
Any one in ink, molybdenum disulfide, polytetrafluoroethylene (PTFE).
8. a kind of pumping system, including master cylinder (10) and conveying cylinder (20)；The master cylinder (10) is provided with main oil cylinder piston
(11) the main oil cylinder piston bar (12) and with the main oil cylinder piston (11) being connected；Characterized in that, in the conveying cylinder (20)
Set just like the concrete piston (21) described in claim 1-7 any one, the concrete piston (21) and the main oil cylinder piston bar
(12) connect.
9. a kind of concrete pump, it is characterised in that including the pumping system described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318624.9U CN206448935U (en) | 2016-12-02 | 2016-12-02 | Concrete piston and pumping system and concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318624.9U CN206448935U (en) | 2016-12-02 | 2016-12-02 | Concrete piston and pumping system and concrete pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448935U true CN206448935U (en) | 2017-08-29 |
Family
ID=59662762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621318624.9U Active CN206448935U (en) | 2016-12-02 | 2016-12-02 | Concrete piston and pumping system and concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448935U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481542A (en) * | 2016-12-02 | 2017-03-08 | 三汽车制造有限公司 | Concrete piston and pumping system and concrete pump |
| CN108302032A (en) * | 2018-02-12 | 2018-07-20 | 惠州海卓科赛医疗有限公司 | A kind of elastic piston, high-pressure pumping system and method |
| CN108317249A (en) * | 2018-03-15 | 2018-07-24 | 惠州海卓科赛医疗有限公司 | A kind of elastic piston sealing structure and medical high-pressure pumping system |
| CN109630402A (en) * | 2019-01-24 | 2019-04-16 | 吉林大学 | A kind of self-lubricating abrasion-resistant oil pump plunger piston |
| WO2019153955A1 (en) * | 2018-02-12 | 2019-08-15 | 惠州海卓科赛医疗有限公司 | Elastic piston and high-pressure pumping system |
-
2016
- 2016-12-02 CN CN201621318624.9U patent/CN206448935U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481542A (en) * | 2016-12-02 | 2017-03-08 | 三汽车制造有限公司 | Concrete piston and pumping system and concrete pump |
| CN108302032A (en) * | 2018-02-12 | 2018-07-20 | 惠州海卓科赛医疗有限公司 | A kind of elastic piston, high-pressure pumping system and method |
| WO2019153955A1 (en) * | 2018-02-12 | 2019-08-15 | 惠州海卓科赛医疗有限公司 | Elastic piston and high-pressure pumping system |
| CN108317249A (en) * | 2018-03-15 | 2018-07-24 | 惠州海卓科赛医疗有限公司 | A kind of elastic piston sealing structure and medical high-pressure pumping system |
| CN109630402A (en) * | 2019-01-24 | 2019-04-16 | 吉林大学 | A kind of self-lubricating abrasion-resistant oil pump plunger piston |
| CN109630402B (en) * | 2019-01-24 | 2023-10-24 | 吉林大学 | Self-lubricating wear-resistant oil pump plunger |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |