CN201236789Y - High-efficiency wear-resistant sludge pump - Google Patents
High-efficiency wear-resistant sludge pump Download PDFInfo
- Publication number
- CN201236789Y CN201236789Y CNU2008200145744U CN200820014574U CN201236789Y CN 201236789 Y CN201236789 Y CN 201236789Y CN U2008200145744 U CNU2008200145744 U CN U2008200145744U CN 200820014574 U CN200820014574 U CN 200820014574U CN 201236789 Y CN201236789 Y CN 201236789Y
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- China
- Prior art keywords
- piston
- ring
- seal ring
- spring
- rod
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- Expired - Fee Related
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Abstract
The utility model relates to a highly-efficient and wear-resistant mud pump, which comprises a casing (10), a transmission shaft (11), a transmission gear (12), a crankshaft (13), a connecting rod (14), a sliding block (15), upper and lower guide plates (16a and 16b), a transmission lever (17), a piston rod (18), a piston (2), a cylinder liner (19) and a hydraulic cylinder device (8). The highly-efficient and wear-resistant mud pump is characterized in that the piston (2) comprises a plurality of piston rings (21, 22 and 23), a split combined-type sealing ring (3), a compensating spring (5) and a baffle (6), and the sealing ring (3) is mounted on the piston rings in an embracing manner through a spring ring (4). The compensating spring (5) is mounted in spring mounting holes (25) distributed in radial direction and formed on the piston rings, so as to push against and act on the sealing ring (3); and the piston rings are fixedly mounted on the piston rod through the baffle and a fastening nut. In addition, the split combined-type sealing ring can compensate abrasion under the action of the compensating spring after the excircle of the sealing ring is abraded, so that the sealing performance is good.
Description
Technical field
The utility model relates to slurry pump, particularly three cylinder piston type slurry pump.
Background technique
The piston type slurry pump mainly is to be made of casing, transmission shaft, driving gear, bent axle, connecting rod, slide block, last bottom guide, drive link, piston rod, piston, cylinder sleeve, fluid cylinder device, be slidingly mounted in the bottom guide at the casing inner slide, one end and the crankshaft-link rod of slide block are hinged, crankshaft-link rod drives slide block and reciprocatingly slides mobilely, and the other end of slide block connects the piston rod drive piston mobile working that reciprocatingly slides by drive link in cylinder sleeve.The shortcoming deficiency that the prior art exists is that the wear-resistant seal of its piston is bad, its piston sealing structure is to be provided with sealing cup by the fixedly connected formation of pressing plate on the stopping table of offering on the piston, the sealing of piston is fully by cup packing, the material of leather cup is a rubber material, not only can't compensate after the leather cup wearing and tearing, and also easy deformation of leather cup in using, when leather cup produces distortion and wearing and tearing, sealing between piston and cylinder sleeve is just destroyed, produce the gap between piston and cylinder sleeve, the working flow of pump and pressure reduce.Silt particle also enters the wearing and tearing that the cup packing end face quickens leather cup easily in cylinder sleeve in addition, so need often maintenance piston seal, changes leather cup, and maintenance load is very big, waste time and energy, and the work that influences is used.
The model utility content
The purpose of this utility model is to improve at above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, the high-efficiency wear-resistant sludge pump that wear-resistant seal is good.
The utility model includes casing, transmission shaft, driving gear, bent axle, connecting rod, slide block, last bottom guide, drive link, piston rod, piston, cylinder sleeve, the fluid cylinder device, be slidingly mounted in the bottom guide at the casing inner slide, crankshaft-link rod drives slide block and moves back and forth, slide block connects piston rod by drive link and drive the piston mobile working that reciprocatingly slides in cylinder sleeve, it is characterized in that, piston is by at least two piston rings, the seal ring of forming by three lobes, spring ring, the compensation thrust spring, baffle plate constitutes, on piston ring, offer stopping table, the seal ring of being made up of three lobes is installed on the piston ring stopping table, spring ring is installed in the seal ring of in the groove of offering on the seal ring three lobes being formed and embraces, counterbalance spring is installed in ejection effect seal ring in the spring mounting hole that radially direct is offered on the piston ring, and piston ring is fixedly mounted on the piston rod by baffle plate and tightening nut.
The utility model is provided with the seal ring of being made up of three lobes by a plurality of piston rings with on piston ring, not only form multi-stage sealed, and after the wearing and tearing of seal ring cylindrical, the seal ring of being made up of three lobes is an outer automatically compensate for wear under the counterbalance spring effect, good seal performance, prolonged working life, saved maintenance greatly piston seal.
Description of drawings
Fig. 1 is the utility model example structure schematic representation.
Fig. 2 is the I partial enlarged drawing of Fig. 1, i.e. piston structure schematic representation.
Fig. 3, the 4th, the example structure schematic representation of seal ring 3, wherein Fig. 4 is A-A sectional view of Fig. 3.
Embodiment
The utility model includes casing 10, transmission shaft 11, driving gear 12, bent axle 13, connecting rod 14, slide block 15, last bottom guide 16a, 16b, drive link 17, piston rod 18, piston 2, cylinder sleeve 19, fluid cylinder device 8, be slidingly mounted on bottom guide 16a at casing 10 inner slides 15, among the 16b, crankshaft-link rod 14 drives slide block 15 and moves back and forth, slide block 15 connects piston rods 18 by drive link 17 and drive pistons 2 mobile working that reciprocatingly slides in cylinder sleeve 19, piston 2 is by at least two piston rings, the seal ring of forming by three lobes 3, spring ring 4, compensation thrust spring 5, baffle plate 6 constitutes, piston 2 the bests are by three piston rings 21,22,23 form, at piston ring 21,22, offer stopping table 20 on 23, the seal ring of being made up of three lobes 3 is installed on the piston ring stopping table 20, spring ring 4 is installed in the seal ring of in the groove of offering on the seal ring 3 31 three lobes being formed and embraces, counterbalance spring 5 is installed in piston ring 21,22, ejection effect seal ring 3 in the spring mounting hole 25 that radially direct is offered on 23, piston ring 21,22,23 are fixedly mounted on the piston rod by baffle plate 6 and tightening nut 7 polyphones.Shown in the accompanying drawing embodiment, three piston rings 21,22,23 reach each other and are connected by screw-thread fit with the shaft sleeve part of baffle plate 6.
The seal ring 3 that is provided with on the utility model piston ring 21,22,23 is 2-4, and the best is 3, promptly can fully guarantee the seal ring 3 dislocation sealings that three lobes are formed.
It is the hard material seal ring that the utility model is formed the seal ring 3 that is provided with on the front end piston ring 21 of piston 2; The seal ring 3 that is provided with on the piston ring 22,23 of its rear side is the seal ring of relative soft material.The hard material seal ring can prevent fully that forwardly silt particle from entering cylinder sleeve inside, plays the auxiliary seal effect, and the soft material seal ring 3 that is provided with on the piston ring 22,23 of its rear side plays the primary seal effect.
Claims (4)
1, high-efficiency wear-resistant sludge pump, include casing (10), transmission shaft (11), driving gear (12), bent axle (13), connecting rod (14), slide block (15), last bottom guide (16a, 16b), drive link (17), piston rod (18), piston (2), cylinder sleeve (19), fluid cylinder device (8), be slidingly mounted on bottom guide (16a at casing (10) inner slide (15), 16b), crankshaft-link rod (14) drives slide block (15) and moves back and forth, slide block (15) connects piston rod (18) by drive link (17) and drive piston (2) mobile working that reciprocatingly slides in cylinder sleeve (19), it is characterized in that, piston (2) is by at least two piston rings, the seal ring of forming by three lobes (3), spring ring (4), compensation thrust spring (5), baffle plate (6) constitutes, piston (2) the best is by three piston rings (21,22,23) form, on piston ring, offer stopping table (20), the seal ring of being made up of three lobes (3) is installed on the piston ring stopping table (20), spring ring (4) is installed in the seal ring of in the groove of offering on the seal ring (3) (31) three lobes being formed and embraces, counterbalance spring (5) is installed in the spring mounting hole that radially direct is offered on the piston ring (25) interior ejection effect seal ring (3), three piston rings (21,22,23) be fixedly mounted on the piston rod by retaining (6) and tightening nut (7) polyphone.
2, high-efficiency wear-resistant sludge pump according to claim 1 is characterized in that, three piston rings (21,22,23) reach each other and are connected by screw-thread fit with the shaft sleeve part of baffle plate (6).
3, high-efficiency wear-resistant sludge pump according to claim 1 is characterized in that, it is (2-4) sheet that three piston rings (21,22,23) are gone up the seal ring (3) that is provided with, and the best is (3) sheet.
4, high-efficiency wear-resistant sludge pump according to claim 1, it is characterized in that, it is the hard material seal ring that the front end piston ring (21) of composition piston (2) is gone up the seal ring (3) that is provided with, and it is the seal ring of soft material that the piston ring of its rear side (22,23) is gone up the seal ring (3) that is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200145744U CN201236789Y (en) | 2008-07-30 | 2008-07-30 | High-efficiency wear-resistant sludge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200145744U CN201236789Y (en) | 2008-07-30 | 2008-07-30 | High-efficiency wear-resistant sludge pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236789Y true CN201236789Y (en) | 2009-05-13 |
Family
ID=40649529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200145744U Expired - Fee Related CN201236789Y (en) | 2008-07-30 | 2008-07-30 | High-efficiency wear-resistant sludge pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236789Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434453A (en) * | 2011-11-21 | 2012-05-02 | 宝鸡石油机械有限责任公司 | Guide plate fastening structure for plunger pump |
| CN102959244A (en) * | 2010-05-18 | 2013-03-06 | 杰拉尔德·莱斯科 | Mud pump |
| CN103233911A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | Divided-plate ring type sealing deivce |
| CN103352842A (en) * | 2013-06-14 | 2013-10-16 | 郑祥模 | Manual and precision plunger pressuring pump |
-
2008
- 2008-07-30 CN CNU2008200145744U patent/CN201236789Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102959244A (en) * | 2010-05-18 | 2013-03-06 | 杰拉尔德·莱斯科 | Mud pump |
| CN102434453A (en) * | 2011-11-21 | 2012-05-02 | 宝鸡石油机械有限责任公司 | Guide plate fastening structure for plunger pump |
| CN102434453B (en) * | 2011-11-21 | 2014-08-27 | 宝鸡石油机械有限责任公司 | Guide plate fastening structure for plunger pump |
| CN103233911A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | Divided-plate ring type sealing deivce |
| CN103352842A (en) * | 2013-06-14 | 2013-10-16 | 郑祥模 | Manual and precision plunger pressuring pump |
| CN103352842B (en) * | 2013-06-14 | 2015-06-10 | 郑祥模 | Manual and precision plunger pressuring pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20160730 |