CN104061330A - Framework oil seal structure of asphalt pump - Google Patents
Framework oil seal structure of asphalt pump Download PDFInfo
- Publication number
- CN104061330A CN104061330A CN201410290521.5A CN201410290521A CN104061330A CN 104061330 A CN104061330 A CN 104061330A CN 201410290521 A CN201410290521 A CN 201410290521A CN 104061330 A CN104061330 A CN 104061330A
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- pump
- framework oil
- outside framework
- oil seal
- pump shaft
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- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a framework oil seal structure of an asphalt pump. The framework oil seal structure of the asphalt pump comprises a pump body, a pump head assembly, a pump shaft and a seal seat, wherein the pump body and the pump head assembly are sheathed on the pump shaft; the pump head assembly is located at one end of the pump body; the seal seat is sheathed on the exterior of the pump shaft; one end of the seal seat is embedded into the pump head assembly; the other end of the seal seat is embedded into the pump body; a plurality of framework oil seals are arranged between the seal seat and the pump shaft; the framework oil seals are fixedly connected with the seal seat; the pump shaft is fixedly connected with a shaft sleeve; the shaft sleeve is arranged between the framework oil seals and the pump shaft. According to the framework oil seal structure disclosed by the invention, a traditional mechanical oil seal is replaced with the assembly of the seal seat and the framework oil seals, and the assembly of the seal seat and the framework oil seals is installed by matching with the pump body, the pump head assembly and the pump shaft, so that the framework oil seal structure is simple in structure, and is lower in cost in comparison with the mechanical seal; breakdown-type leakage cannot be generated, and even during the leakage, a period of production still can be maintained, and therefore, first-aid repair and maintenance are avoided, the maintenance time can be arranged at leisure, and the production cannot be delayed.
Description
Technical field
The application belongs to the technical field of sealing technology of asphalt delivery pump, specifically, relates to a kind of outside framework oil seal structure of bitumenpump.
Background technique
The sealing configuration conventional machinery sealing of asphalt delivery pump.Mechanical seal (mechanical seal) refers to the device that prevents fluid leakage that keeps laminating relative sliding under the effect of hydrodynamic pressure and compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal by least one pair of end face perpendicular to spin axis and form.Original conventional spring mechanical is easily damaged, can not reuse, and must upgrade at every turn, and occur that sealing is broken in use conveying bitumen process, just has a large amount of dielectric leakages, and the continuity of impact production, must will rush to repair, and often impact is normal produces.
Summary of the invention
The application has overcome shortcoming of the prior art, and a kind of outside framework oil seal structure of bitumenpump is provided, and it is simple that it has maintenance and repair, and cost is low, has the feature that still can maintain preferably production in the situation of leakage.
In order to solve the problems of the technologies described above, the application is achieved through the following technical solutions:
A kind of outside framework oil seal structure of bitumenpump, comprise the pump housing, pump head component, pump shaft, sealing seat, the described pump housing, pump head component is socketed on described pump shaft, described pump head component is positioned at one end of the described pump housing, described sealed socket sleeve is connected to described pump shaft outside, one end of described sealing seat embeds described pump head component, other one end of described sealing seat embeds the described pump housing, multiple outside framework oil seals are installed between described sealing seat and pump shaft, described outside framework oil seal is fixed in described sealing seat, described pump shaft is connected with axle sleeve, described axle sleeve is arranged between described outside framework oil seal and pump shaft.
Further, between described axle sleeve and described pump shaft, be provided with sleeve sealing circle.
Further, between described multiple outside framework oil seals outside, described sealing seat and described pump shaft, be provided with and hold oily space.
Further, described pump head component comprises pump end cap and bearing, between described pump end cap and the pump housing, is provided with connecting plate, between described pump end cap and the pump housing, is connected by described connecting plate, and described bearing is installed between described pump end cap and pump shaft.
Further, described sealing seat is provided with draining hole, and described draining hole is connected with the oily space of described appearance, and the corresponding described draining of described pump end cap hole is provided with drain tap, and described draining hole and described drain tap are located at the below of described pump shaft.
Further, described sealing seat is provided with observation panel, and described observation panel is connected with the oily space of described appearance, and the corresponding described observation panel of described pump end cap offers viewing window.
Further, the outside in the oily space of described appearance is also provided with Sealing, and described Sealing and described pump shaft closely cooperate, and prevents from holding oily space content thing to external leakage.
Further, described Sealing is outside framework oil seal.
Further, described multiple outside framework oil seals are socketed on described pump shaft successively, between described outside framework oil seal, fit tightly.
Compared with prior art, the application's beneficial effect is:
The outside framework oil seal structure of a kind of bitumenpump described in the application, comprise the pump housing, pump head component, pump shaft, sealing seat, the pump housing, pump head component is socketed on pump shaft, pump head component is positioned at one end of the pump housing, sealed socket sleeve is connected to pump shaft outside, sealing seat is between the pump housing and pump shaft, one end of sealing seat embeds pump head component, other one end of sealing seat embeds the pump housing, multiple outside framework oil seals are installed between sealing seat and pump shaft, outside framework oil seal is fixed in sealing seat, pump shaft is connected with axle sleeve, axle sleeve is arranged between outside framework oil seal and pump shaft, this device replaces existing mechanical oil seal by sealing seat and the combination of multiple outside framework oil seal, and it is coordinated to installation with the pump housing and pump head component and pump shaft, it is simple in structure, lower than mechanical seal cost, can not produce collapse formula reveals, even if still can maintain a period of time in the time leaking produces, avoid repairing to safeguard, the arrangement maintenance and repair time that can be calm, do not delay production.
Pump shaft is also arranged with axle sleeve, and axle sleeve is fixed in pump shaft, and rotates the gap between multiple skeleton oil seal sealing seats and axle sleeve with pump shaft.In pump shaft when rotation,, the outside framework oil seal pump shaft that can wear and tear, sets up axle sleeve outward at pump shaft, effectively reduces the wearing and tearing of outside framework oil seal to pump shaft, improves the life-span of pump shaft.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present application, is used from explanation the application with the application's embodiment one, does not form the restriction to the application, in the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the outside framework oil seal structure of described a kind of bitumenpump.
In Fig. 1, include:
1---the pump housing; 2---pump end cap;
3---pump shaft; 4---sealing seat;
5---outside framework oil seal; 6---axle sleeve;
7---bearing; 8---connecting plate;
9---sleeve sealing circle; 10---hold oily space;
11---draining hole; 12---drain tap;
13---observation panel; 14---viewing window;
15---Sealing; 16---sealing seat seal ring;
17---reserved dismounting screw; 18---tight fixed bolt;
19---screw rod.
Embodiment
Below in conjunction with accompanying drawing, the application's preferred embodiment is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the application, and be not used in restriction the application.
As shown in Figure 1, the outside framework oil seal structure of a kind of bitumenpump described in the application, comprise the pump housing 1, pump head component, pump shaft 3 and sealing seat 4, pump head component is socketed on pump shaft 3, and be positioned at one end of the pump housing 1, pump shaft 3 is away from pump head component one end connecting screw rod 19, sealing seat 4 is socketed on pump shaft 3 outsides, one end of sealing seat 4 embeds pump head component, the other end of sealing seat 4 embeds the pump housing 1, and between the pump housing 1 and pump shaft 3, multiple outside framework oil seals 5 are installed between sealing seat 4 and pump shaft 3, to stop the pump housing 1 content to leak, outside framework oil seal 5 is fixed in sealing seat 4, sealing seat 4 is provided with sealing seat seal ring 17.
Pump head component comprises pump end cap 2 and bearing 7, and bearing 7 is installed between pump end cap 2 and pump shaft 3, between pump end cap 2 and the pump housing 1, is provided with loop connecting plate 8, between pump end cap 2 and the pump housing 1, is connected by connecting plate 8, and connecting plate 8 convenient operation personnel assemblings, safeguard.
Simultaneously, axle sleeve 6 is installed on pump shaft 3, axle sleeve 6 is fixed in pump shaft 3 by tight fixed bolt 18, and between the pump housing 1 and pump shaft 3, outside framework oil seal 5 and pump shaft 3, and can rotate with pump shaft 3, axle sleeve 6 arranges reserved dismounting screw 17, and multiple outside framework oil seals 5 are for sealing the gap between sealing seat 4 and axle sleeve 6.In the time that pump shaft 3 rotates, outside framework oil seal 5 meeting wearing and tearing pump shafts 3, the outer axle sleeve of setting up 6 of pump shaft 3 effectively reduces the wearing and tearing of outside framework oil seal 5 to pump shaft 3, the life-span of raising pump shaft 3.
Between axle sleeve 6 and pump shaft 3, sleeve sealing circle 9 is installed, sleeve sealing circle 9 prevents that pump content is via the gap leakage between pump shaft 3 and axle sleeve 6.
Between outside framework oil seal 5 outsides, sealing seat 4 and pump shaft 3, be provided with and hold oily space 10, pump content that can temporary transient accommodating leakage, prevents further leakage.Sealing seat 4 offers draining hole 11, and draining hole 11 is connected with the oily space 10 of appearance, and the corresponding draining of pump end cap 2 hole 11 offers drain tap 12, and draining hole 11 and drain tap 12 are located at the bottom of pump shaft 3.The pump content of being convenient to hold in oily space 10 is discharged, and can adhere to producing in the situation that revealing.
Sealing seat 4 is provided with observation panel 13, and observation panel 13 is connected with the oily space 10 of appearance, and the corresponding observation panel 13 of pump end cap 2 offers viewing window 14, and convenient operation personnel observe sealing runnability, facilitate inspection and maintenance.
The outside that holds oily space 10 is also provided with Sealing 15, and Sealing 15 closely cooperates with pump shaft 3, further prevents from holding oily space 10 contents to external leakage.In the present embodiment, the same outside framework oil seal that adopts of Sealing 15, its cost is low, and good sealing effect is easy to maintenance.
Multiple outside framework oil seals 5 are socketed on pump shaft 3 successively, between outside framework oil seal 5, fit tightly, and it prevents from revealing, good sealing effect.
Finally it should be noted that: the preferred embodiment that these are only the application; be not limited to the application; although the application is had been described in detail with reference to embodiment; for a person skilled in the art; its technological scheme that still can record aforementioned each embodiment is modified; or part technical characteristics is wherein equal to replacement; but all within the application's spirit and principle; any amendment of doing, be equal to replacement, improvement etc., within all should being included in the application's protection domain.
Claims (9)
1. the outside framework oil seal structure of a bitumenpump, it is characterized in that: comprise the pump housing, pump head component, pump shaft, sealing seat, the described pump housing, pump head component is socketed on described pump shaft, described pump head component is positioned at one end of the described pump housing, described sealed socket sleeve is connected to described pump shaft outside, one end of described sealing seat embeds described pump head component, other one end of described sealing seat embeds the described pump housing, multiple outside framework oil seals are installed between described sealing seat and pump shaft, described outside framework oil seal is fixed in described sealing seat, described pump shaft is connected with axle sleeve, described axle sleeve is arranged between described outside framework oil seal and pump shaft.
2. the outside framework oil seal structure of a kind of bitumenpump according to claim 1, is characterized in that: between described axle sleeve and described pump shaft, be provided with sleeve sealing circle.
3. the outside framework oil seal structure of a kind of bitumenpump according to claim 1, is characterized in that: between described multiple outside framework oil seals outside, described sealing seat and described pump shaft, be provided with and hold oily space.
4. the outside framework oil seal structure of a kind of bitumenpump according to claim 3, it is characterized in that: described pump head component comprises pump end cap and bearing, between described pump end cap and the pump housing, be provided with connecting plate, between described pump end cap and the pump housing, be connected by described connecting plate, described bearing is installed between described pump end cap and pump shaft.
5. the outside framework oil seal structure of a kind of bitumenpump according to claim 4, it is characterized in that: described sealing seat is provided with draining hole, described draining hole is connected with the oily space of described appearance, the corresponding described draining of described pump end cap hole is provided with drain tap, and described draining hole and described drain tap are located at the below of described pump shaft.
6. the outside framework oil seal structure of a kind of bitumenpump according to claim 4, is characterized in that: described sealing seat is provided with observation panel, and described observation panel is connected with the oily space of described appearance, and the corresponding described observation panel of described pump end cap offers viewing window.
7. the outside framework oil seal structure of a kind of bitumenpump according to claim 3, is characterized in that: the outside in the oily space of described appearance is also provided with Sealing, and described Sealing and described pump shaft closely cooperate, and prevents from holding oily space content thing to external leakage.
8. the outside framework oil seal structure of a kind of bitumenpump according to claim 7, is characterized in that: described Sealing is outside framework oil seal.
9. the outside framework oil seal structure of a kind of bitumenpump according to claim 1, is characterized in that: described multiple outside framework oil seals are socketed on described pump shaft successively, between described outside framework oil seal, fit tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290521.5A CN104061330B (en) | 2014-06-25 | 2014-06-25 | A kind of outside framework oil seal structure of bitumenpump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290521.5A CN104061330B (en) | 2014-06-25 | 2014-06-25 | A kind of outside framework oil seal structure of bitumenpump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061330A true CN104061330A (en) | 2014-09-24 |
| CN104061330B CN104061330B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410290521.5A Expired - Fee Related CN104061330B (en) | 2014-06-25 | 2014-06-25 | A kind of outside framework oil seal structure of bitumenpump |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288867A (en) * | 2017-08-03 | 2017-10-24 | 中铝瑞闽股份有限公司 | High pressure reciprocating pump crankshaft cavity water-inlet-proof structure and water-inlet-proof method |
| CN108105392A (en) * | 2017-12-13 | 2018-06-01 | 马鞍山市荣亿密封材料有限责任公司 | A kind of outside framework oil seal structure of bitumenpump |
| CN110410334A (en) * | 2019-06-29 | 2019-11-05 | 浙江威肯特智能机械有限公司 | A kind of bitumenpump |
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| JPH08232871A (en) * | 1995-02-22 | 1996-09-10 | Nissan Motor Co Ltd | Oil seal mechanism of vacuum pump for vehicle |
| JPH09268981A (en) * | 1996-04-03 | 1997-10-14 | Hitachi Ltd | Seal pump |
| JP2003056475A (en) * | 2001-08-09 | 2003-02-26 | Anlet Co Ltd | Roots water pump with shaft sealing part for leading in external air |
| JP2003222245A (en) * | 2002-01-31 | 2003-08-08 | Furukawa Co Ltd | Shaft seal device for pump |
| CN2665409Y (en) * | 2003-12-04 | 2004-12-22 | 林时忠 | Gear type asphalt pump |
| CN203009300U (en) * | 2013-01-24 | 2013-06-19 | 宁波得利时泵业有限公司 | Frame sealing device of rotor pump |
| CN203627194U (en) * | 2013-12-31 | 2014-06-04 | 董芙丽 | Novel pull rod sealing device for reciprocating pump |
| CN204004403U (en) * | 2014-06-25 | 2014-12-10 | 佛山高富中石油燃料沥青有限责任公司 | A kind of outside framework oil seal structure of bitumenpump |
-
2014
- 2014-06-25 CN CN201410290521.5A patent/CN104061330B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08232871A (en) * | 1995-02-22 | 1996-09-10 | Nissan Motor Co Ltd | Oil seal mechanism of vacuum pump for vehicle |
| JPH09268981A (en) * | 1996-04-03 | 1997-10-14 | Hitachi Ltd | Seal pump |
| JP2003056475A (en) * | 2001-08-09 | 2003-02-26 | Anlet Co Ltd | Roots water pump with shaft sealing part for leading in external air |
| JP2003222245A (en) * | 2002-01-31 | 2003-08-08 | Furukawa Co Ltd | Shaft seal device for pump |
| CN2665409Y (en) * | 2003-12-04 | 2004-12-22 | 林时忠 | Gear type asphalt pump |
| CN203009300U (en) * | 2013-01-24 | 2013-06-19 | 宁波得利时泵业有限公司 | Frame sealing device of rotor pump |
| CN203627194U (en) * | 2013-12-31 | 2014-06-04 | 董芙丽 | Novel pull rod sealing device for reciprocating pump |
| CN204004403U (en) * | 2014-06-25 | 2014-12-10 | 佛山高富中石油燃料沥青有限责任公司 | A kind of outside framework oil seal structure of bitumenpump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288867A (en) * | 2017-08-03 | 2017-10-24 | 中铝瑞闽股份有限公司 | High pressure reciprocating pump crankshaft cavity water-inlet-proof structure and water-inlet-proof method |
| CN107288867B (en) * | 2017-08-03 | 2020-05-05 | 中铝瑞闽股份有限公司 | Water inlet prevention structure and water inlet prevention method for crankshaft cavity of high-pressure reciprocating pump |
| CN108105392A (en) * | 2017-12-13 | 2018-06-01 | 马鞍山市荣亿密封材料有限责任公司 | A kind of outside framework oil seal structure of bitumenpump |
| CN110410334A (en) * | 2019-06-29 | 2019-11-05 | 浙江威肯特智能机械有限公司 | A kind of bitumenpump |
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| Publication number | Publication date |
|---|---|
| CN104061330B (en) | 2016-04-27 |
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Granted publication date: 20160427 Termination date: 20190625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |