CN220248437U - Slag slurry pump shaft sealing device - Google Patents
Slag slurry pump shaft sealing device Download PDFInfo
- Publication number
- CN220248437U CN220248437U CN202321841009.6U CN202321841009U CN220248437U CN 220248437 U CN220248437 U CN 220248437U CN 202321841009 U CN202321841009 U CN 202321841009U CN 220248437 U CN220248437 U CN 220248437U
- Authority
- CN
- China
- Prior art keywords
- shaft
- blocking device
- sleeve
- slag blocking
- shaft sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002893 slag Substances 0.000 title claims abstract description 40
- 239000002002 slurry Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 title claims description 6
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims abstract description 5
- 239000013049 sediment Substances 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 10
- 239000007787 solid Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a slurry pump shaft seal device, and belongs to the technical field of slurry pumps. This sediment stuff pump bearing seal device includes: the device is characterized by comprising a pump body, a motor shaft, a shaft sleeve, a filler, a water seal ring, a filler box, a split filler gland and a slag blocking device, wherein the slag blocking device is arranged between the filler box and the shaft sleeve in a traditional shaft seal device, the outer ring of the slag blocking device at the upper half part of the slag blocking device is in interference fit with the inner wall of the filler box, the inner ring of the slag blocking device is a rubber ring, the rubber ring is tightly attached to the shaft sleeve, solid particles in slurry in the pump body can be blocked from entering the shaft seal device by the slag blocking device, and after the rubber ring is worn, the slag blocking device can also play a role in preventing the solid particles from entering due to the interference fit of the outer ring of the slag blocking device and the filler box, so that the normal operation of the shaft seal device is ensured.
Description
Technical Field
The utility model relates to the technical field of slurry pumps, in particular to a slurry pump shaft seal device.
Background
The slurry pump shaft seal device is generally composed of a shaft sleeve, a split packing gland, a packing box, a water seal pipe, a packing, a front water seal ring and a positioning sleeve, and the shaft seal is completed through external flushing water, as shown in figure 3, when the slurry pump is applied to the mine industry for conveying slurry, slurry particles in the mine industry are hard, and when the slurry particles enter between the front water seal ring and the shaft sleeve, the shaft sleeve and the front water seal ring are severely worn and further enter the packing, so that a large amount of water leakage is caused to the shaft seal.
Disclosure of Invention
In order to make up for the defects, the utility model provides a slurry pump shaft seal device, which aims to solve the problem that when the conventional slurry pump is applied to slurry transportation in the mine industry, slurry particles enter between a front water seal ring and a shaft sleeve, the shaft sleeve and the front water seal ring are seriously worn, and further enter a filler, so that a large amount of water leakage of the shaft seal is caused.
The utility model is realized in the following way:
the utility model provides a slurry pump shaft seal device, comprising:
a motor shaft, the end of which extends into the pump body;
the shaft sleeve is arranged on the outer surface of the motor shaft exposed to the air section;
the fillers are arranged on the outer surface of the shaft sleeve in parallel;
the water seal ring is in contact connection with one side of the packing closest to the pump body;
the stuffing box is arranged on the outer surface of the water seal ring, and one side of the stuffing box is connected with the pump body;
the split packing gland is arranged on the side, close to the atmosphere, of the packing and is used for compressing the packing in the packing box;
the slag blocking device is arranged on the outer surface of the shaft sleeve, the slag blocking device is arranged on one side of the water seal ring, which is close to the pump body, and the upper surface of the slag blocking device is in interference fit with the stuffing box.
Preferably, the slag stopper includes:
the slag stopper outer ring is in interference fit with the stuffing box;
the rubber ring is tightly attached to the outer surface of the shaft sleeve;
wherein, hinder sediment ware is integrated into one piece structure.
Preferably, the axle sleeve is split type structure, the axle sleeve includes:
the front shaft sleeve is arranged on the outer surface of the motor shaft;
the positioning sleeve is arranged on the outer surface of the motor shaft, one end of the positioning sleeve is contacted with the front shaft sleeve, and the other end of the positioning sleeve is contacted with the pump body.
Preferably, the thickness of the rubber ring is within 3 mm.
The beneficial effects of the utility model are as follows: 1. the slag blocking device in interference fit with the stuffing box is arranged in the stuffing box, so that solid particles in slurry in the pump body can be effectively prevented from entering the shaft sealing device, abrasion of the solid particles to the shaft sealing device is reduced, and normal operation of the device is ensured.
2. The slag blocking device comprises a slag blocking device outer ring and a rubber ring, wherein the slag blocking device outer ring is in interference fit with a packing box above, the rubber ring is tightly connected with the outer surface of the shaft sleeve, after the rubber ring is worn, the slag blocking device outer ring is in interference fit with the packing box, and the slag blocking device still has the effect of preventing solid particles in slurry from entering after the rubber ring is worn.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a slurry pump shaft seal device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a slag stopper according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a shaft seal device of a conventional slurry pump.
In the figure: pump body 1, motor shaft 2, axle sleeve 3, front axle sleeve 301, locating sleeve 302, packing 4, water seal ring 5, stuffing box 6, split packing gland 7, slag stopper 8, slag stopper outer ring 801, rubber ring 802.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model is further explained below with reference to the specific drawings.
It will be understood that when an element is referred to as being "fixed to" another element in this disclosure, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1-2, the present utility model provides a slurry pump shaft seal device, comprising: the novel hydraulic pump comprises a pump body 1, a motor shaft 2, a shaft sleeve 3, packing 4, a water seal ring 5, a packing box 6, split packing covers 7 and a slag stopper 8, wherein the tail end of the motor shaft 2 extends into the pump body 1, the shaft sleeve 3 is arranged on the outer surface of the motor shaft 2 exposed to an air section, each packing 4 is arranged on the outer surface of the shaft sleeve 3 in parallel, the packing 4 is closest to one side of the pump body 1 in a contact connection mode, the packing box 6 is arranged on the outer surface of the water seal ring 5, one side of the packing box 6 is connected with the pump body 1, the split packing covers 7 are arranged on the outer surface of the packing 4 and are close to the atmosphere, the split packing covers 7 are used for tightly pressing the packing 4 in the packing box 6, the slag stopper 8 is arranged on the outer surface of the shaft sleeve 3, the slag stopper 8 is arranged on the side of the water seal ring 5 and is close to the pump body 1, and the upper surface of the slag stopper 8 is in interference fit with the packing box 6, and the slag stopper 8 comprises: the slag stopper outer ring 801 and the rubber ring 802, the slag stopper outer ring 801 and the stuffing box 6 are in interference fit, the rubber ring 802 is clung to the outer surface of the shaft sleeve 3, it is required to say that the slag stopper 8 is of an integrated structure, wherein the thickness of the rubber ring 802 is within 3mm, when abrasion occurs between the rubber ring 802 and the shaft sleeve 3 to cause abrasion of the rubber ring 802, the slag stopper outer ring 801 and the stuffing box 6 are in interference fit, after the rubber ring 802 is worn, the outer surface of the slag stopper outer ring 801 contacts the stuffing box 6 and the inner surface contacts the shaft sleeve 3, the slag stopper can be used continuously, and slurry large particles in a pump body are prevented from entering the shaft seal device, so that abrasion of solid particles to the shaft seal device is avoided, and normal operation of the device is ensured.
In this embodiment, the sleeve 3 is of a split structure, which includes: front axle sleeve 301, locating sleeve 302, front axle sleeve 301 sets up the motor shaft 2 surface, the bracket assembly that front axle sleeve 301 one end contact motor shaft 2 runs through, locating sleeve 302 sets up at motor shaft 2 surface, locating sleeve 302 one end contact front axle sleeve 301, and the other end contact pump body 1, locating sleeve 302 and front axle sleeve 301 junction set up the sealing washer for avoid motor shaft 2 to expose in the air, thereby lead to motor shaft 2 to be corroded.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a sediment thick liquid pump shaft sealing device, includes the pump body, its characterized in that still includes:
a motor shaft, the end of which extends into the pump body;
the shaft sleeve is arranged on the outer surface of the motor shaft exposed to the air section;
the fillers are arranged on the outer surface of the shaft sleeve in parallel;
the water seal ring is in contact connection with one side of the packing closest to the pump body;
the stuffing box is arranged on the outer surface of the water seal ring, and one side of the stuffing box is connected with the pump body;
the split packing gland is arranged on the side, close to the atmosphere, of the packing and is used for compressing the packing in the packing box;
the slag blocking device is arranged on the outer surface of the shaft sleeve, the slag blocking device is arranged on one side of the water seal ring, which is close to the pump body, and the upper surface of the slag blocking device is in interference fit with the stuffing box.
2. The slurry pump shaft seal apparatus according to claim 1 wherein said slag stopper includes:
the slag stopper outer ring is in interference fit with the stuffing box;
the rubber ring is tightly attached to the outer surface of the shaft sleeve;
wherein, hinder sediment ware is integrated into one piece structure.
3. The slurry pump shaft seal device according to claim 1, wherein said shaft sleeve is of a split type structure, said shaft sleeve comprising:
the front shaft sleeve is arranged on the outer surface of the motor shaft;
the positioning sleeve is arranged on the outer surface of the motor shaft, one end of the positioning sleeve is contacted with the front shaft sleeve, and the other end of the positioning sleeve is contacted with the pump body.
4. The slurry pump shaft seal device according to claim 2, wherein the rubber ring has a thickness of 3mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841009.6U CN220248437U (en) | 2023-07-13 | 2023-07-13 | Slag slurry pump shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841009.6U CN220248437U (en) | 2023-07-13 | 2023-07-13 | Slag slurry pump shaft sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248437U true CN220248437U (en) | 2023-12-26 |
Family
ID=89269058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841009.6U Active CN220248437U (en) | 2023-07-13 | 2023-07-13 | Slag slurry pump shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248437U (en) |
-
2023
- 2023-07-13 CN CN202321841009.6U patent/CN220248437U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |