CN106286193A - A kind of high-pressure injection pump - Google Patents
A kind of high-pressure injection pump Download PDFInfo
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- CN106286193A CN106286193A CN201510244842.6A CN201510244842A CN106286193A CN 106286193 A CN106286193 A CN 106286193A CN 201510244842 A CN201510244842 A CN 201510244842A CN 106286193 A CN106286193 A CN 106286193A
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- piston
- gear box
- change speed
- ring
- speed gear
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Abstract
nullThe invention discloses a kind of high-pressure injection pump，Including pump seat、Motor、Change speed gear box、PLC、Reductor、The pump housing、Cylinder body and piston，Described motor is connected with the power shaft of change speed gear box，The output shaft of change speed gear box is connected to the power shaft of reductor by shaft coupling，Described PLC is arranged on change speed gear box，The output shaft of described reductor is connected with the driving gearshaft in the pump housing by shaft coupling，It is provided with piston rod in the described pump housing，The other end of piston rod connects piston，Described piston includes supporting plate、Piston ring、Pressing plate and locknut，The end of piston rod is cased with ring-type supporting plate，Ring-type blue skin and polyurethane it is cased with successively against supporting plate，Described blue skin and polyurethane composition piston ring，The two ends on described cylinder body top are respectively provided with valve body，Valve inner is provided with pulp absorbing valve and pulp-expelling valve，The piston anticorrosion that the present invention is arranged、Wear-resisting、High temperature resistant，There is good sealing，Movement can be wiped off the dust on casing wall，Extend service life.
Description
Technical field
The present invention relates to a kind of grouting pump, specifically a kind of high-pressure injection pump.
Background technology
Currently, mine, well tunnel foundation construction engineering in, carry out all types of foundation, the foundation ditch strengthening of Geotechnical Engineering processes and slope protection construction, the reinforcing of all types of bored tunnel and prevent the sedimentation of water, building and structures from raising with the orientation tilted and the construction such as correction, all realize grouting for water blocking by grouting pump, support with backfilling is implemented, so not only increase speed of application, also improve construction quality., the plunger type grouting pump of application in the past, its structure is all to be made up of two cylinder bodies, and connecting rod, piston that driving plunger moves are two sets.Two cylinder structure has disconnected slurry phenomenon when the extreme position switching instant that inhales a plasma discharge, causes defeated slurry pressure transient, and have is located at outside casing, but owing to pulp absorbing valve, pulp-expelling valve are split type, takes up room big, and structure is complicated, and cost is high.The cement mortar that the material of high-pressure slip-casting transport pump is made up of sand, stone, cement and water, it is desirable to the piston of piston type grouting pump should have wear-resisting, pressure intensity and hardness, has good sealing property softness again, also corrosion-resistant.Currently, the piston of the piston type high pressure grouting pump of application, its structure is that piston rod outer rim is set with ring-type nitrile rubber folder cloth piston ring, applying this kind of structure and material, its intensity and hardness are not enough, and corrosion-resistant, piston ring scuffing is serious, is easily deformed and comes off, and service life is short.
Summary of the invention
It is an object of the invention to provide a kind of high-pressure injection pump, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
nullA kind of high-pressure injection pump，Including pump seat、Motor、Change speed gear box、PLC、Reductor、The pump housing、Cylinder body and piston，Described motor is connected with the power shaft of change speed gear box，The output shaft of change speed gear box is connected to the power shaft of reductor by shaft coupling，Described PLC is arranged on change speed gear box，The output shaft of described reductor is connected with the driving gearshaft in the pump housing by shaft coupling，Described motor、Change speed gear box、Reductor、The pump housing is fixed on pump seat，Connect on gear drive bent axle in the described pump housing and have crank rod assembly，The slide block top of assembly connects piston rod，The other end of piston rod connect have can in cylinder body reciprocating piston，Described piston includes supporting plate、Piston ring、Pressing plate and locknut，The end of piston rod is cased with ring-type supporting plate，Ring-type blue skin and polyurethane it is cased with successively against supporting plate，Described blue skin and polyurethane composition piston ring，It is pressed with pressing plate outside blue skin，The locknut preventing pressing plate from loosening it is screwed with on piston rod outside pressing plate，The bearing pin preventing locknut from loosening it is inserted with on locknut，Described cylinder body is fixed on the left end of the pump housing，The two ends on described cylinder body top are respectively provided with valve body，Valve inner is provided with pulp absorbing valve and pulp-expelling valve，Outside is connected to pulp absorbing hole and plasma discharge mouth.
As the further scheme of the present invention: described cylinder body, piston, piston rod and matched crank rod assembly are three sets.
As the present invention further scheme: described cylinder body, piston, piston rod and matched crank rod assembly are three sets.
As the present invention further scheme: described blue skin is treated hard Corii Bovis seu Bubali.
Compared with prior art, the invention has the beneficial effects as follows: the piston anticorrosion of setting, wear-resisting, high temperature resistant that there is good sealing, mobile in can wipe the dust on casing wall off, extend service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-pressure injection pump.
Fig. 2 is the structural representation of piston in high-pressure injection pump.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullRefer to Fig. 1～2，In the embodiment of the present invention，A kind of high-pressure injection pump，Including pump seat、Motor 1、Change speed gear box 2、PLC 3、Reductor 5、The pump housing 6、Cylinder body 12 and piston 11，Described motor 1 is connected with the power shaft of change speed gear box 2，The output shaft of change speed gear box 2 is connected to the power shaft of reductor 5 by shaft coupling 4，Described PLC 3 is arranged on change speed gear box 2，The output shaft of described reductor 5 is connected with the driving gearshaft in the pump housing 6 by shaft coupling 4，Described motor 1、Change speed gear box 2、Reductor 5、The pump housing 6 is fixed on pump seat，Connect on gear drive bent axle in the described pump housing 6 and have crank rod assembly，The slide block top of assembly connects piston rod 7，The other end of piston rod 7 connect have can in cylinder body 12 reciprocating piston 11，Described piston 11 includes supporting plate、Piston ring、Pressing plate and locknut，The end of piston rod 1 is cased with ring-type supporting plate 13，Ring-type blue skin 15 and polyurethane 16 it is cased with successively against supporting plate 13，Described blue skin 15 and polyurethane 16 form piston ring 14，It is pressed with pressing plate 17 outside blue skin 15，The locknut 18 preventing pressing plate from loosening it is screwed with on piston rod 7 outside pressing plate 17，The bearing pin 19 preventing locknut from loosening it is inserted with on locknut 18，The ring-type blue skin 15 of described composition piston ring 14 and the transverse section of polyurethane 16 are V-type，Described blue skin 15 is treated hard Corii Bovis seu Bubali，Owing to piston ring is by two-layer indigo plant skin 15、One layer of polyurethane 16 forms，Blue skin 15 has certain hardness，Anticorrosion、Wear-resisting、The feature such as high temperature resistant，Expand after water suction，Good seal performance，Polyurethane 16 soft abrasion-resistant、Corrosion-resistant，There is good sealing，Movement can be wiped off the dust on casing wall，Both soft or hards combine，Improve the sealing of piston，Substantially prolongs the service life of piston；Described cylinder body 12 is fixed on the left end of the pump housing 6, described cylinder body 12, piston 11, piston rod 7 and matched crank rod assembly are three sets, the two ends on described cylinder body 12 top are respectively provided with valve body 10, valve body 10 is internal is provided with pulp absorbing valve and pulp-expelling valve, outside is connected to pulp absorbing hole 9 and plasma discharge mouth 8, the rotation of motor 1 driven gear, drives crank rod assembly motion to make piston move back and forth in cylinder body, realizes suction, plasma discharge by the ball valve effect in suction, pulp-expelling valve.
The cylinder body of grouting pump, piston, piston rod and matched crank rod assembly are three sets, two cylinder structure can be made up and have the deficiency of disconnected slurry phenomenon when the extreme position switching instant that inhales a plasma discharge, also stablizing of defeated slurry pressure is ensured while increasing plasma discharge amount, monoblock type valve body simple in construction, compact, take up room little, reduce cost, plasma discharge amount is big, pressure stability, compact conformation, easy to maintenance, work efficiency is greatly improved.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (4)
- null1. a high-pressure injection pump，Including pump seat、Motor (1)、Change speed gear box (2)、PLC (3)、Reductor (5)、The pump housing (6)、Cylinder body (12) and piston (11)，It is characterized in that，Described motor (1) is connected with the power shaft of change speed gear box (2)，The output shaft of change speed gear box (2) is connected to the power shaft of reductor (5) by shaft coupling (4)，Described PLC (3) is arranged on change speed gear box (2)，The output shaft of described reductor (5) is connected with the driving gearshaft in the pump housing (6) by shaft coupling (4)，Described motor (1)、Change speed gear box (2)、Reductor (5)、The pump housing (6) is fixed on pump seat，Connect on gear drive bent axle in the described pump housing (6) and have crank rod assembly，The slide block top of assembly connects piston rod (7)，The other end of piston rod (7) connect have can in cylinder body (12) reciprocating piston (11)，Described piston (11) includes supporting plate、Piston ring、Pressing plate and locknut，The end of piston rod (1) is cased with ring-type supporting plate (13)，Ring-type blue skin (15) and polyurethane (16) it is cased with successively against supporting plate (13)，Described blue skin (15) and polyurethane (16) composition piston ring (14)，It is pressed with pressing plate (17) outside blue skin (15)，The locknut (18) preventing pressing plate from loosening it is screwed with on pressing plate (17) piston rod (7) outward，The bearing pin (19) preventing locknut from loosening it is inserted with on locknut (18)，Described cylinder body (12) is fixed on the left end of the pump housing (6)，The two ends on described cylinder body (12) top are respectively provided with valve body (10)，Valve body (10) is internal is provided with pulp absorbing valve and pulp-expelling valve，Outside is connected to pulp absorbing hole (9) and plasma discharge mouth (8).
- High-pressure injection pump the most according to claim 1, it is characterised in that described cylinder body (12), piston (11), piston rod (7) and matched crank rod assembly are three sets.
- High-pressure injection pump the most according to claim 1, it is characterised in that the ring-type blue skin (15) of described composition piston ring (14) and the transverse section of polyurethane (16) are V-type.
- 4. according to the high-pressure injection pump described in claim 1 or 3, it is characterised in that described blue skin (15) is treated hard Corii Bovis seu Bubali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244842.6A CN106286193A (en) | 2015-05-14 | 2015-05-14 | A kind of high-pressure injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510244842.6A CN106286193A (en) | 2015-05-14 | 2015-05-14 | A kind of high-pressure injection pump |
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| Publication Number | Publication Date |
|---|---|
| CN106286193A true CN106286193A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510244842.6A Pending CN106286193A (en) | 2015-05-14 | 2015-05-14 | A kind of high-pressure injection pump |
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| CN (1) | CN106286193A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300776A (en) * | 1979-12-11 | 1981-11-17 | Krauss-Maffei Aktiengesellschaft | Sealing assembly for two relatively movable machine parts |
| US4536134A (en) * | 1984-04-30 | 1985-08-20 | Hi-Tech Engineering, Inc. | Piston seal access apparatus |
| JPH08200236A (en) * | 1995-01-30 | 1996-08-06 | Tahei Tomioka | Cemented carbide plunger for high pressure pump |
| CN202187907U (en) * | 2011-06-24 | 2012-04-11 | 刘金辉 | Novel piston of high-pressure grouting pump |
| CN202628422U (en) * | 2012-06-27 | 2012-12-26 | 刘金辉 | Four-suction and four-discharge type high-pressure grouting pump |
-
2015
- 2015-05-14 CN CN201510244842.6A patent/CN106286193A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300776A (en) * | 1979-12-11 | 1981-11-17 | Krauss-Maffei Aktiengesellschaft | Sealing assembly for two relatively movable machine parts |
| US4536134A (en) * | 1984-04-30 | 1985-08-20 | Hi-Tech Engineering, Inc. | Piston seal access apparatus |
| JPH08200236A (en) * | 1995-01-30 | 1996-08-06 | Tahei Tomioka | Cemented carbide plunger for high pressure pump |
| CN202187907U (en) * | 2011-06-24 | 2012-04-11 | 刘金辉 | Novel piston of high-pressure grouting pump |
| CN202628422U (en) * | 2012-06-27 | 2012-12-26 | 刘金辉 | Four-suction and four-discharge type high-pressure grouting pump |
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Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |