CN203394755U - Pumping machine and pumping system thereof - Google Patents
Pumping machine and pumping system thereof Download PDFInfo
- Publication number
- CN203394755U CN203394755U CN201320491745.3U CN201320491745U CN203394755U CN 203394755 U CN203394755 U CN 203394755U CN 201320491745 U CN201320491745 U CN 201320491745U CN 203394755 U CN203394755 U CN 203394755U
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- push rod
- pumping system
- lubricated
- lubrication
- piston
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Abstract
The utility model discloses a pumping system and a pumping machine. The pumping system comprises a driving device, a conveying cylinder, a push rod and a piston. The push rod is provided with a lubrication channel, the piston is provided with a lubrication opening, the push rod is sleeved with a lubricating sleeve ring capable of relatively rotating, and the lubricating sleeve ring is provided with a supply channel matched with the inlet end of the lubrication channel and can perform telescopic movement along with the push rod. According to the pumping system, by arranging the lubricating sleeve ring, a lubricating medium can enter the lubrication channel through the supply channel of the lubricating sleeve ring, and the lubricating sleeve ring can perform telescopic movement along with the push rod and can rotate relative to the push rod; when the push rod rotates in the operation process, the lubricating sleeve ring does not rotate along with the push rod, so that a lubricating hose connected to the lubricating sleeve ring cannot rotate along with the push rod and is prevented from being wound around the push rod, and the problem that lubrication is unsmooth due to the fact that the hose is wound around the push rod is solved.
Description
Technical field
The utility model relates to engineering machinery, is specifically related to a kind of pumping system; In addition, also relate to a kind of pumping machine with this pumping system.
Background technique
At present, the pumping machine (such as pump truck, Vehicle loaded pump, mortar pump etc.) for pumping material has been widely used in engineering construction.In these pumping machines, pumping system is their one of component parts of core the most.As shown in Figure 1, pumping system generally includes drive unit 4, push rod 3, carries cylinder 1 and piston 2; Piston 2 is mounted slidably in carrying cylinder 1, and one end of push rod 3 is connected with drive unit 4, and the other end is connected with piston 2; The working procedure of pumping system is: drive unit 4 drives push rod 3 to do fore and aft motion, when push rod 3 drives piston 2 to retract, carries cylinder 1 to suck material; When push rod 3 promotes pistons 2 and stretches out, material under the promotion of piston 2 from carrying pumping in cylinder 1.
For preventing piston 2 and carrying cylinder 1 inwall generation dry friction, conventionally carrying the special position of cylinder 1 that lubricating point is set, when piston 2 moves to lubricating point, piston 2 can be lubricated; This lubricating system can only can be lubricated when piston arrives lubricating point, cannot guarantee lubrication effect.
Somebody proposes lubrication channel 5 is set on push rod 3 and lubricating point is arranged on to the scheme on piston 2, this mode can guarantee that piston 2 can be lubricated in whole course of action in theory, but this scheme need to utilize lubricated flexible pipe 6 that the lubrication channel on push rod 35 and grease pump (or lubricating pump) are coupled together, and push rod 3 exists in the course of the work and rotatablely moves, cause lubricated flexible pipe 6 to be often wrapped on push rod 3, this easily causes lubrication channel not smooth, has a strong impact on lubrication effect.
Therefore, how to promote the lubrication effect of pumping system, be still those skilled in the art's technique effect urgently to be resolved hurrily.
Model utility content
In view of this, the utility model proposes a kind of pumping system, compared with prior art, the piston of this pumping system can obtain better lubrication effect in operation process.In addition, the utility model also proposes a kind of pumping machine with this pumping system.
On the one hand, the utility model provides a kind of pumping system, comprises drive unit, carries cylinder, push rod and piston, on described push rod, is provided with lubrication channel, is provided with lubricated mouthful on described piston; On described push rod, be arranged with the relatively turnable lubricated collar; The described lubricated collar can carry out fore and aft motion with described push rod, and the described lubricated collar is provided with the feed channel coordinating with the entrance point of described lubrication channel, and described feed channel is for to lubrication channel supplemental lubrication medium.
Preferably, the described lubricated collar comprises ring body, and described feed channel comprises the inner groove being arranged on described ring body.
Preferably, described pumping system comprises the slideway arranging along described push rod length direction; The described lubricated collar comprises slide bar, and one end of described slide bar is connected with ring body, and the other end coordinates with described slideway.
Preferably, the described slide bar the other end is provided with slide block, and described slide block is mounted slidably in described slideway.
Preferably, described ring body is provided with the first through hole, and described the first through hole is communicated with inner groove.
Preferably, described feed channel comprise run through described slide bar and slide block the second through hole, described the second through hole is communicated with inner groove.
Preferably, on described lubrication channel, be provided with one-way valve.
Preferably, described piston comprises elastic sealed body and support frame; Described support frame is embedded in described elastic sealed body, for supporting described elastic sealed body.
Preferably, described lubrication channel extends to the periphery of described elastic sealed body and forms described lubricated mouthful through support frame.
The pumping system the utility model proposes is by the lubricated collar is set, and lubricant medium (normally lubricating grease or lubricant oil) can enter lubrication channel from the feed channel of the lubricated collar, and the lubricated collar both can, with push rod fore and aft motion, can rotate relative to push rod again; When push rod rotates in operation process, the lubricated collar does not rotate with push rod, the lubricated flexible pipe that can make to be like this connected on the lubricated collar can not follow push rod to rotate, and then prevent that lubricated soft tube winding is on push rod, thereby avoid occurring causes lubricated not smooth phenomenon because of soft tube winding on push rod.
On the other hand, the utility model also proposes a kind of pumping machine, comprises the pumping system of power system and above-mentioned any one, and described power system is used to described pumping system that power is provided.
Compared with prior art, this pumping machine is by adopting the effectively lubrication effect of jigger lifting piston of above-mentioned pumping system, and therefore, the maintenance frequency of this pumping machine is lower, longer service life.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of pumping system in correlation technique;
Fig. 2 is the structural representation of the pumping system of the utility model specific embodiment proposition;
Fig. 3 is the structural representation of a kind of lubricated collar of the utility model specific embodiment proposition;
Fig. 4 is the structural representation of the lubricated collar of another kind of the utility model specific embodiment proposition;
Fig. 5 is the structural representation of the piston of the utility model specific embodiment proposition;
Fig. 6 is the A-A generalized section of Fig. 5;
Fig. 7 is the structural representation of support frame in Fig. 5;
Fig. 8 is the schematic perspective view of the piston shown in Fig. 5.
Description of reference numerals:
1, carry cylinder 2, piston 3, push rod 4, drive unit 5, lubrication channel
6, lubricated flexible pipe 7, slide bar 8, slideway 9, ring body 10, inner groove
11, the first through hole 12, slide block 13, elastic sealed body 14, support frame
15, one-way valve 16, oil duct skeleton 17, annular groove skeleton 18, lubricated mouth
19, the second through hole
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Below in conjunction with 2 to 8 pairs of specific embodiment of the utility model of accompanying drawing, be elaborated.
As shown in Figure 2 and Figure 8, the pumping system that the utility model specific embodiment proposes, comprises drive unit 4, carries cylinder 1, push rod 3 and piston 2, is provided with lubrication channel 5 on push rod 3, is provided with lubricated mouthful 18 on piston 2; On push rod 3, be arranged with the relatively turnable lubricated collar; The lubricated collar is provided with the feed channel coordinating with the entrance point of lubrication channel 5, and the lubricated collar can carry out fore and aft motion with push rod 3.The pumping system the utility model proposes is by arranging the lubricated collar, lubricant medium (normally lubricating grease or lubricant oil) can enter lubrication channel 5 from the feed channel of the lubricated collar, and the lubricated collar both can, with push rod 3 fore and aft motion, can rotate relative to push rod 3 again; When push rod 3 rotates in operation process, the lubricated collar does not rotate with push rod 3, the lubricated flexible pipe 6 that can make to be like this connected on the lubricated collar can not follow push rod 3 to rotate, and then prevent that lubricated flexible pipe 6 is wrapped on push rod 3, thereby avoid occurring causes lubricated not smooth phenomenon because of soft tube winding on push rod 3.
In the above-described embodiments, the concrete structure of the lubricated collar can have multiple, and as shown in Figure 3, the lubricated collar comprises ring body 9, and feed channel comprises that the inner groove 10 and the first through hole 11, the first through holes 11 that are arranged on ring body 9 are communicated with inner groove 10; During concrete application, will lubricate flexible pipe 6 and be communicated with the first through hole 11, like this, lubricant medium can enter into lubrication channel 5 by the first through hole 11 and inner groove 10.Certainly, when the entrance point of lubrication channel 5 is, while being arranged at the outer groove of push rod 3 outer surfaces, on ring body 9, inner groove 10 can be set, lubricant medium can enter into lubrication channel 5 by the first through hole 11.Certainly, above said inner groove 10 and outer groove in some cases (such as the angle of push rod rotation is when little) also can substitute with the arc shaped groove of predetermined arc, as long as they can, when push rod 3 and lubricating sleeve ring relatively rotate, can make lubrication channel 5 and feed channel be communicated with.
Certainly, the lubricated collar also can be arranged to structure as shown in Figure 4, particularly, this lubricated collar comprises ring body 9, slide bar 7 and slide block 12, slide bar 7 inner hollow, slide block 12 is provided with the second through hole 19, the second through holes 19 and is communicated with the inner groove 10 on ring body 9 through slide bar 7; When application, lubricated flexible pipe 6 is communicated with the second through hole 19, and like this, lubricant medium can enter into lubrication channel 5 by the second through hole 19, slide bar 7 and inner groove 10.For preventing that lubricate the collar follows push rod 3 rotations under the impact of frictional force, can consider to arrange slideway 8, slideway 8, along the axial setting of push rod 3, is placed in slideway 8 by slide block 12, can guarantee that so the lubricated collar can only carry out axial motion along slideway 8.
In the above-described embodiments, for preventing that lubricant medium from flowing backwards or carrying the foreign material in cylinder 1 to enter into lubrication channel 5, can consider one-way valve 15 is set on lubrication channel 5, the setting position of one-way valve 15 can be selected as required; Preferably one-way valve 15 is arranged on to the end of lubrication channel 5, near lubricated Kou18 position.
In the above-described embodiments, piston 2 can be arranged to the structure shown in Fig. 5, Fig. 6 and Fig. 7, and it comprises elastic sealed body 13 and support frame 14; , support frame 14 specifically comprises annular groove skeleton 17 and oil duct skeleton 16, annular groove skeleton 17 and oil duct skeleton 16 are all embedded in elastic sealed body 13; Lubrication channel 5 extends to the periphery of elastic sealed body 13 and forms lubricated mouthful 18 through support frame 14.In the course of the work, piston 2 is subject to larger pressure, when piston 2 compressive deformation, lubrication channel 5 may be shut on the one hand, also easily causes on the other hand piston 2 and the inefficacy that coordinates of carrying between cylinder 1 inwall; By adopting support frame 14, can effectively keep the unobstructed of lubrication channel 5 on the one hand, can effectively promote on the other hand the ability of whole piston 2 resistances to deformation.
Certainly, for reaching preferably lubrication effect, above-mentioned lubricated mouthful 18 can be arranged to a plurality of, and a plurality of lubricated mouthful 18 periphery that is evenly arranged in elastic sealed body 13.
For guaranteeing the overall performance of piston 2, preferably support frame 14 is made of metal, and elastic sealed body 13 is made by polyurethane or rubber.
In addition, the utility model specific embodiment also proposes a kind of pumping machine, comprises power system and above-mentioned pumping system, and power system is used to pumping system that power is provided.
Compared with prior art, this pumping machine is by adopting the effectively lubrication effect of jigger lifting piston 2 of above-mentioned pumping system, and therefore, the maintenance frequency of this pumping machine is lower, longer service life.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a pumping system, comprise drive unit (4), carry cylinder (1), push rod (3) and piston (2), on described push rod (3), be provided with lubrication channel (5), on described piston (2), be provided with lubricated mouthful (18) being communicated with described lubrication channel, it is characterized in that, on described push rod (3), be arranged with the relatively turnable lubricated collar; The described lubricated collar can carry out fore and aft motion with described push rod (3), and the described lubricated collar is provided with the feed channel coordinating with the entrance point of described lubrication channel (5), and described feed channel is for to lubrication channel supplemental lubrication medium.
2. pumping system according to claim 1, is characterized in that, the described lubricated collar comprises ring body (9), and described feed channel comprises the inner groove (10) being arranged on described ring body (9).
3. pumping system according to claim 2, is characterized in that, described pumping system comprises the slideway (8) arranging along described push rod (3) length direction; The described lubricated collar comprises slide bar (7), and one end of described slide bar (7) is connected with ring body (9), and the other end coordinates with described slideway (8).
4. pumping system according to claim 3, is characterized in that, described slide bar (7) the other end is provided with slide block (12), and described slide block (12) is mounted slidably in described slideway (8).
5. pumping system according to claim 4, is characterized in that, described ring body (9) is provided with the first through hole (11), and described the first through hole (11) is communicated with inner groove (10).
6. pumping system according to claim 4, is characterized in that, described feed channel comprise run through described slide bar (7) and slide block (12) the second through hole (19), described the second through hole (19) is communicated with inner groove (10).
7. pumping system according to claim 1, is characterized in that, is provided with one-way valve (15) on described lubrication channel (5).
8. according to the pumping system described in claim 1 to 7 any one, it is characterized in that, described piston (2) comprises elastic packing body and support frame (14); Described support frame (14) is embedded in described elastic sealed body (13), for supporting described elastic sealed body (13).
9. pumping system according to claim 8, is characterized in that, described lubrication channel (5) extends to the periphery of described elastic sealed body (13) and forms described lubricated mouthful (18) through described support frame (14).
10. a pumping machine, is characterized in that, comprises the pumping system described in power system and claim 1 to 9 any one, and described power system is used to described pumping system that power is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491745.3U CN203394755U (en) | 2013-08-13 | 2013-08-13 | Pumping machine and pumping system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491745.3U CN203394755U (en) | 2013-08-13 | 2013-08-13 | Pumping machine and pumping system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394755U true CN203394755U (en) | 2014-01-15 |
Family
ID=49906290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320491745.3U Withdrawn - After Issue CN203394755U (en) | 2013-08-13 | 2013-08-13 | Pumping machine and pumping system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423148A (en) * | 2013-08-13 | 2013-12-04 | 三一汽车制造有限公司 | Pumping machine and pumping system thereof |
-
2013
- 2013-08-13 CN CN201320491745.3U patent/CN203394755U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423148A (en) * | 2013-08-13 | 2013-12-04 | 三一汽车制造有限公司 | Pumping machine and pumping system thereof |
| CN103423148B (en) * | 2013-08-13 | 2016-01-20 | 三一汽车制造有限公司 | pumping machine and pumping system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140115 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |