CN103967832A - Mechanical sealing device of mortar pump - Google Patents
Mechanical sealing device of mortar pump Download PDFInfo
- Publication number
- CN103967832A CN103967832A CN201410210560.XA CN201410210560A CN103967832A CN 103967832 A CN103967832 A CN 103967832A CN 201410210560 A CN201410210560 A CN 201410210560A CN 103967832 A CN103967832 A CN 103967832A
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- Prior art keywords
- stationary ring
- ring
- spring seat
- spring
- ring plate
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Abstract
A mechanical sealing device of a mortar pump comprises a pump shaft, a set of movable ring assembly, a set of fixed ring assembly and a water moving ring, wherein the movable ring assembly and the fixed ring assembly are assembled on the pump shaft. The movable ring assembly comprises a movable ring base and a movable ring, wherein the movable ring base is fixedly installed on the pump shaft, and the movable ring and the movable ring base are fixedly connected through a pin. The fixed ring assembly comprises a fixed ring, a fixed ring plate, a fixed ring plate fixing pin, a spring, a spring base and a framework oil seal, wherein the front end face of the fixed ring abuts against the back end face of the movable ring, the fixed ring plate is located behind the fixed ring, the spring base is located behind the fixed ring plate, the fixed ring, the fixed ring plate and the spring base are connected through the fixed ring plate fixing pin, the spring is arranged between the fixed ring plate and the spring base, the framework oil seal is arranged behind the spring base, and the water moving ring is arranged between the fixed ring assembly and a mechanical sealing box. The mechanical sealing device of the mortar pump is simple in structure, low in manufacturing cost and good in sealing effect.
Description
Technical field
The present invention relates to a kind of mortar feedway, especially relate to the mechanical seal device on a kind of mortar pump pump shaft.
Background technique
The mortar pump of domestic production at present great majority in shaft seal adopt packing seal or the sealing of K type or conventional machinery sealing, the sealing of packing seal and K type seriously and is gradually eliminated owing to leaking, mechanical seal with its good airproof performance, the good characteristic such as leakage rate is few, friction factor is low, stable performance, life cycle are long and obtain application more and more widely.
Mechanical seal device on existing mortar pump pump shaft is provided with stationary ring at the rear of rotating ring, the rear of stationary ring is provided with stationary seat, fixed plate and spring seat, between spring seat and stationary seat, be provided with spring, stationary seat is fixedly connected with hydrodynamic(al) ring by driving pin, hydrodynamic(al) ring is fixed on machine envelope box by hydrodynamic(al) ring-shaped pressuring plate, and spring seat is fixed by screws on machine envelope box.There is the defects such as complex structure, manufacture cost is higher, sealing effect is not good enough in existing mortar pump machinery seal arrangement.
Summary of the invention
Technical problem to be solved by this invention is, a kind of mechanical seal device of mortar pump is provided, and it is simple in structure, low cost of manufacture, good sealing effect.
The technological scheme that the present invention solves its technical problem employing is: a kind of mechanical seal device of mortar pump, comprises pump shaft, is assembled in a set of moving ring assembly and static components and hydrodynamic(al) ring on pump shaft; Described moving ring assembly comprises rotating seat, rotating ring, and described rotating seat is fixedly mounted on pump shaft, and described rotating ring is fixedly connected with by pin with rotating seat; Described static components comprises stationary ring, stationary ring plate, stationary ring plate fixator pins, spring, spring seat, outside framework oil seal, the front-end face of described stationary ring is against the ear end face of described rotating ring, described stationary ring plate is positioned at the rear of stationary ring, and described spring seat is positioned at the rear of described stationary ring plate; Described stationary ring, stationary ring plate, spring seat connect by described stationary ring plate fixator pins; Described spring is located between described stationary ring plate and spring seat; Described outside framework oil seal is located at the rear of described spring seat; Described hydrodynamic(al) is located between described static components and machine envelope box.
Further, the ear end face of described stationary ring is provided with stationary ring pin-and-hole, described stationary ring plate is provided with through hole, the front end of described spring seat is provided with spring seat pin-and-hole and spring eye, described stationary ring plate fixator pins connects stationary ring, stationary ring plate and spring seat by described stationary ring pin-and-hole, through hole, spring seat pin-and-hole, and described spring is located in described spring eye.
Further, between described rotating ring and rotating seat, be provided with O RunddichtringO, between described hydrodynamic(al) ring and described stationary ring, be provided with O RunddichtringO, between described hydrodynamic(al) ring and described machine envelope box, be provided with O RunddichtringO, between described spring seat and described machine envelope box, be provided with O RunddichtringO.
Further, described hydrodynamic(al) ring is grouped into by upper part and bottom, and described upper part is made by abrasion resistance alloy material, and described lower part is made by bronze or other softwood matter.
Further, described spring seat is fixedly connected with machine envelope box by flat key, and described hydrodynamic(al) ring is fixed on machine envelope box by stainless steel platen, and described stainless steel platen is fixed by screws on machine envelope box.
Good effect of the present invention is: (1) the present invention adopts stationary ring plate and stationary ring plate fixator pins to substitute stationary seat of the prior art and fixed plate, in prior art, stationary seat is connected by driving pin with hydrodynamic(al) ring, by hydrodynamic(al) ring restriction stationary seat, rotated, and then the restriction stationary ring difference that rotates, stationary ring of the present invention, stationary ring plate, spring seat three connect by stationary ring plate fixator pins, by spring seat restriction stationary ring plate and stationary ring, rotated, meanwhile, the distance between spring seat and stationary ring plate can axially stretching along stationary ring plate fixator pins; Than prior art, the present invention is simple in structure, low cost of manufacture, sealing effect are better; (2) in preferred version, spring seat of the present invention seals between box and is fixedly connected with by flat key with machine, and this makes the structure of whole seal arrangement simpler.
Accompanying drawing explanation
Fig. 1 is the sectional view of one embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present embodiment comprises pump shaft 12, is assembled in a set of moving ring assembly and static components and hydrodynamic(al) ring 4 on pump shaft 12; Moving ring assembly comprises rotating seat 1, rotating ring 3, and rotating seat 1 is fixedly mounted on pump shaft 12, and rotating ring 3 is fixedly connected with by pin 15 with rotating seat 1, between rotating ring 3 and rotating seat 1, is provided with O RunddichtringO 2, between rotating seat 1 and impeller end cover 13, is provided with O RunddichtringO 14; Static components comprises stationary ring 16, stationary ring plate 19, stationary ring plate fixator pins 8, spring 20, spring seat 10, outside framework oil seal 11, the front-end face of stationary ring 16 is against the ear end face of rotating ring 3, stationary ring plate 19 is positioned at the rear of stationary ring 16, and spring seat 10 is positioned at the rear of stationary ring plate 19; The ear end face of stationary ring 16 is provided with stationary ring pin-and-hole (not indicating), stationary ring plate 19 is provided with through hole (not indicating), the front end of spring seat 10 is provided with spring seat pin-and-hole (not indicating) and spring eye (not indicating), stationary ring plate fixator pins 8 connects stationary ring 16, stationary ring plate 19 and spring seat 10 by stationary ring pin-and-hole, through hole, spring seat pin-and-hole, spring 20 is located between stationary ring plate 19 and spring seat 10, and is positioned at spring eye; Outside framework oil seal 11 is located at the rear of spring seat 10; Hydrodynamic(al) ring 4 is located between static components and machine envelope box 7; Between hydrodynamic(al) ring 4 and stationary ring 16, be provided with O RunddichtringO 17, between hydrodynamic(al) ring 4 and machine envelope box 7, be provided with O RunddichtringO 18, between spring seat 10 and machine envelope box 7, be provided with O RunddichtringO 21; Hydrodynamic(al) ring 4 is comprised of upper part 4-1 and lower part 4-2, and upper part 4-1 is made by abrasion resistance alloy material, and lower part 4-2 is made by bronze, and lower part 4-2 can also be made by his softwood matter; Spring seat 10 is fixedly connected with machine envelope box 7 by flat key 22, and hydrodynamic(al) ring 4 is fixed on machine envelope box 7 by stainless steel platen 5, and stainless steel platen 5 is fixed on machine envelope box 7 by screw 6; The outside cover of pump shaft 12 has axle sleeve 23, rotating ring 3, static components to be all set on axle sleeve 23, and static components is between machine envelope box 7 and axle sleeve 23, and the lower end of machine envelope box 7 is sealed by machine sealed cover 9 covers.
Claims (5)
1. a mechanical seal device for mortar pump, comprises pump shaft, is assembled in a set of moving ring assembly and static components and hydrodynamic(al) ring on pump shaft; Described moving ring assembly comprises rotating seat, rotating ring, and described rotating seat is fixedly mounted on pump shaft, and described rotating ring is fixedly connected with by pin with rotating seat; It is characterized in that, described static components comprises stationary ring, stationary ring plate, stationary ring plate fixator pins, spring, spring seat, outside framework oil seal, the front-end face of described stationary ring is against the ear end face of described rotating ring, and described stationary ring plate is positioned at the rear of stationary ring, and described spring seat is positioned at the rear of described stationary ring plate; Described stationary ring, stationary ring plate, spring seat connect by described stationary ring plate fixator pins; Described spring is located between described stationary ring plate and spring seat; Described outside framework oil seal is located at the rear of described spring seat; Described hydrodynamic(al) is located between described static components and machine envelope box.
2. the mechanical seal device of mortar pump according to claim 1, it is characterized in that, the ear end face of described stationary ring is provided with stationary ring pin-and-hole, described stationary ring plate is provided with through hole, the front end of described spring seat is provided with spring seat pin-and-hole and spring eye, described stationary ring plate fixator pins connects stationary ring, stationary ring plate and spring seat by described stationary ring pin-and-hole, through hole, spring seat pin-and-hole, and described spring is located in described spring eye.
3. the mechanical seal device of mortar pump according to claim 2, it is characterized in that, between described rotating ring and rotating seat, be provided with O RunddichtringO, between described hydrodynamic(al) ring and described stationary ring, be provided with O RunddichtringO, between described hydrodynamic(al) ring and described machine envelope box, be provided with O RunddichtringO, between described spring seat and described machine envelope box, be provided with O RunddichtringO.
4. according to the mechanical seal device of the mortar pump described in claim 2 or 3, it is characterized in that, described hydrodynamic(al) ring is grouped into by upper part and bottom, and described upper part is made by abrasion resistance alloy material, and described lower part is made by bronze or other softwood matter.
5. the mechanical seal device of mortar pump according to claim 4, it is characterized in that, described spring seat is fixedly connected with machine envelope box by flat key, and described hydrodynamic(al) ring is fixed on machine envelope box by stainless steel platen, and described stainless steel platen is fixed by screws on machine envelope box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210560.XA CN103967832A (en) | 2014-05-19 | 2014-05-19 | Mechanical sealing device of mortar pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410210560.XA CN103967832A (en) | 2014-05-19 | 2014-05-19 | Mechanical sealing device of mortar pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103967832A true CN103967832A (en) | 2014-08-06 |
Family
ID=51237727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410210560.XA Pending CN103967832A (en) | 2014-05-19 | 2014-05-19 | Mechanical sealing device of mortar pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103967832A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929278Y (en) * | 2006-07-20 | 2007-08-01 | 胡滨 | Boiler slag discharge pump mechanical seal device |
| CN201129315Y (en) * | 2007-12-10 | 2008-10-08 | 大庆市顺达石油设备制造有限公司 | Ultra-high pressure anti-scaling mechanical sealing device |
| CN201461522U (en) * | 2009-07-24 | 2010-05-12 | 吉首长潭泵业有限公司 | Mechanical sealing device for mortar pump |
| US20110298182A1 (en) * | 2010-06-03 | 2011-12-08 | Shou-Hsiung Huang | Sealing device for a pump |
| CN203394841U (en) * | 2013-06-13 | 2014-01-15 | 徐国防 | Centrifugal type integrating mechanical sealing device |
| CN203822693U (en) * | 2014-05-19 | 2014-09-10 | 吉首长潭泵业有限公司 | Mechanical sealing device for mortar pump |
-
2014
- 2014-05-19 CN CN201410210560.XA patent/CN103967832A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929278Y (en) * | 2006-07-20 | 2007-08-01 | 胡滨 | Boiler slag discharge pump mechanical seal device |
| CN201129315Y (en) * | 2007-12-10 | 2008-10-08 | 大庆市顺达石油设备制造有限公司 | Ultra-high pressure anti-scaling mechanical sealing device |
| CN201461522U (en) * | 2009-07-24 | 2010-05-12 | 吉首长潭泵业有限公司 | Mechanical sealing device for mortar pump |
| US20110298182A1 (en) * | 2010-06-03 | 2011-12-08 | Shou-Hsiung Huang | Sealing device for a pump |
| CN203394841U (en) * | 2013-06-13 | 2014-01-15 | 徐国防 | Centrifugal type integrating mechanical sealing device |
| CN203822693U (en) * | 2014-05-19 | 2014-09-10 | 吉首长潭泵业有限公司 | Mechanical sealing device for mortar pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140806 |