CN209761736U - Slurry pump with framework oil seal - Google Patents
Slurry pump with framework oil seal Download PDFInfo
- Publication number
- CN209761736U CN209761736U CN201822216232.7U CN201822216232U CN209761736U CN 209761736 U CN209761736 U CN 209761736U CN 201822216232 U CN201822216232 U CN 201822216232U CN 209761736 U CN209761736 U CN 209761736U
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- CN
- China
- Prior art keywords
- pump
- packing
- shaft
- seal
- bracket
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- Expired - Fee Related
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Abstract
The utility model discloses a framework oil seal slurry pump, which comprises a pump body, a bracket, a base, a support frame, a pump shaft and a sealing structure; the utility model discloses a seal structure, including pump shaft, bearing, bracket, seal structure, skeleton oil seal, shaft coupling, shaft seal, shaft cover. Reduce and change packing, axle sleeve number of times and quantity. The packing and the shaft sleeve can be replaced frequently, the service life of the water pump is prolonged, and the labor capacity of field service personnel is reduced.
Description
Technical Field
The utility model relates to a shaft seal structure field of sediment stuff pump, concretely relates to sediment stuff pump of skeleton oil blanket.
Background
Along with the development of the processes of mine ore dressing and coal washing plants in China, the lift of a conveying medium of a slurry pump is required to be increased, so that slurry pumps produced by pump manufacturers are increasingly large. The shaft seal for large slurry pumps is becoming more and more stringent,
In the prior art, shaft seal structures of slurry pumps mainly have two types, namely packing seal and mechanical seal. The packing seal has simple structure and convenient manufacture, installation and maintenance, so the application is common. The packing seal of the slurry pump is water-cooled packing seal with a liner, but for the condition of not harsh field conditions, mechanical seal is not needed, unnecessary cost is increased by matching the mechanical seal, at the moment, a secondary impeller and the packing seal are generally used, but a large amount of water easily flows out from a shaft seal, the water pressure is high, and the water easily enters the bearing gland of a bracket part to influence the service life of a bearing.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a sediment stuff pump of skeleton oil blanket increases skeleton oil blanket one in big sediment stuff pump packing outermost position, utilizes skeleton oil blanket and packing to seal and the combination of impeller, opens good sealed effect on the one hand, and on the other hand makes for normal wear between packing and the axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. Be unlikely to frequently to change packing, axle sleeve number of times, the life of extension water pump has reduced field service personnel's the amount of labour, and the pump body passes through the bracket to be installed on the base, the life of the extension pump body and bracket is at pump body delivery port lower extreme erection bracing frame for pump head subassembly obtains better support.
The utility model relates to a slurry pump with a framework oil seal structure, which comprises a pump body, a bracket, a base, a support frame, a pump shaft and a seal structure; the bracket is installed in pump body left side, the pump shaft passes through the bearing rotation and sets up on the bracket, pump shaft left side installation shaft coupling, the pump shaft stretches into the inner chamber of the pump body is and stretching into end installation impeller, seal structure includes the skeleton oil blanket and is packed sealed, the skeleton oil blanket is installed the packing is sealed the left side, and the position that packs the outermost edge at big sediment stuff pump increases one skeleton oil blanket, utilizes the skeleton oil blanket and packs sealed and vice impeller combined seal's mode, opens well sealed effect on the one hand, and on the other hand makes for normal wear between packing and the axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. The packing and the shaft sleeve can be replaced frequently, the service life of the water pump is prolonged, and the labor capacity of field service personnel is reduced.
Further, be equipped with the packing chamber that is used for packing into between the pump body and the pump shaft, the lip orientation of skeleton oil blanket the packing, the lip internal diameter of skeleton oil blanket is less than the internal diameter of pump shaft for the interference pressure of skeleton oil blanket and the auto-lock spring contractility of skeleton oil blanket can produce radial tight power to the rotation axis, the skeleton oil blanket is installed the packing left side, install the shaft seal case on the pump body, the shaft seal case passes through the axle sleeve suit on the pump shaft, the shaft seal case seals skeleton oil blanket and packing through the gland, utilizes skeleton oil blanket and the sealed structure of packing combination, opens good sealed effect on the one hand, and on the other hand makes for normal wear between packing axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. The packing and the shaft sleeve can be replaced frequently, the service life of the water pump is prolonged, and the labor capacity of field service personnel is reduced.
Further, the pump shaft stretch into pump body part with set up the auxiliary impeller between the impeller, the auxiliary impeller with the impeller is installed relatively, through the impeller with the structure of the relative installation of auxiliary impeller makes it produce the pressure differential, can strengthen the axial seal nature, prolongs the life of pump body inner bearing, impeller and auxiliary impeller surface circumference are equipped with curved shape blade just curved shape blade protrusion, and this kind of curved shape blade structure can make the operation of pump more steady, utilizes skeleton oil blanket and packing and the sealed integrated configuration of auxiliary impeller for the leakproofness of sediment stuff pump is stronger.
Further, the pump body passes through the bracket to be installed on the base, base fixed connection base handle for it is more convenient to remove the base, the bracket passes through the bolt-up on the base and can dismantle, avoids bracket and ground direct contact to lead to bracket wearing and tearing serious.
Further, the water inlet lower extreme of the pump body is equipped with the support frame, fixed connection handle on the support frame, the support frame handle is equipped with the handle bottom plate, support frame handle bottom plate passes through the bolt fastening on the support frame for the support frame handle is fixed on the support frame, be equipped with the pull ring on the support frame handle, the pull ring penetrates in the circular protruding hole on the handle, circular protruding hole and handle bottom plate design as an organic whole, the support frame can height-adjusting, is particularly suitable for large-scale sediment stuff pump, can adjust the relative altitude position of adjustable support frame and pump head subassembly according to the height-size of base 10 and bracket 4, has realized the reliable support to its pump head subassembly of large-scale sediment stuff pump to the emergence of bracket fracture accident has been reduced.
The utility model has the advantages that: the utility model discloses a sediment stuff pump of skeleton oil blanket, the position that packs at big sediment stuff pump outside increases skeleton oil blanket one, utilizes skeleton oil blanket and packing to seal and the combination of auxiliary impeller, opens good sealed effect on the one hand, and on the other hand makes for normal wearing and tearing between packing and the axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. Be unlikely to frequently to change packing, axle sleeve number of times, the life of extension water pump has reduced field service personnel's the amount of labour, and the pump body passes through the bracket to be installed on the base, the life of the extension pump body and bracket is at pump body delivery port lower extreme erection bracing frame for pump head subassembly obtains better support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a side view of the present invention;
Fig. 3 is an enlarged view of a portion a in fig. 1.
Description of the drawings:
1-framework oil seal, 2-packing seal, 3-impeller, 4-bracket, 5-pump body, 6-gland, 7-pump shaft, 8-shaft seal box, 9-coupler, 10-base, 11-support frame, 12-auxiliary impeller, 101-base handle and 1101-support frame handle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
as shown in fig. 1: the slurry pump with the framework oil seal structure comprises a pump body 5, a bracket 4, a base 10, a support frame 11, a pump shaft 7 and a sealing structure; bracket 4 installs in the 5 left sides of the pump body, pump shaft 7 passes through the bearing rotation setting and is in on bracket 4, 7 left sides of pump shaft installation shaft couplings 9, pump shaft 7 stretches into the inner chamber of the pump body 5 is and stretching into end installation impeller 3, seal structure includes skeleton oil blanket 1 and packing seal 2, skeleton oil blanket 1 is installed packing seal 2 left sides increases skeleton oil blanket 1 at the position of big sediment stuff pump packing outmost, utilizes skeleton oil blanket 1 and packing seal 2 and the mode of auxiliary impeller 12 combination seal, opens good sealed effect on the one hand, and on the other hand makes for normal wear between packing and the axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. The packing and the shaft sleeve are not frequently replaced, the service life of the water pump is prolonged, the labor capacity of field service personnel is reduced, and the left side is based on the graph 1.
In this embodiment, the pump body 5 with be equipped with the packing chamber that is used for packing seal 2 into between the pump shaft 7, the lip orientation of skeleton oil blanket 1 packing seal 2, the lip internal diameter of skeleton oil blanket 1 is less than the internal diameter of pump shaft 7 for the interference pressure of skeleton oil blanket 1 and the auto-lock spring contractility of skeleton oil blanket 1 can produce radial tight power to the rotation axis, skeleton oil blanket 1 is installed packing seal 2 left side, installation shaft seal case 8 on the pump body 5, shaft seal case 8 passes through the axle sleeve suit on the pump shaft 7, shaft seal case 8 seals skeleton oil blanket 1 and packing seal 2 through gland 6, utilizes the structure of skeleton oil blanket 1 and packing seal 2 combined seal, opens good sealed effect on the one hand, and on the other hand makes for normal wear between packing and the axle sleeve. Reduce and change packing, axle sleeve number of times and quantity. The packing and the shaft sleeve are not frequently replaced, the service life of the water pump is prolonged, the labor capacity of field service personnel is reduced, and the left side is based on the graph 1.
In this embodiment, pump shaft 7 stretch into the pump body 5 part with set up expeller 12 between the impeller 3, expeller 12 with the relative installation of impeller 3, through impeller 3 with the structure of the relative installation of expeller 12 makes it produce the pressure differential, can strengthen the axial leakproofness, prolongs the life of bearing in the pump body 5, impeller 3 and expeller 12 surface circumference are equipped with curved shape blade just curved shape blade protrusion, and this kind of curved shape blade structure can make the operation of pump more steady, utilizes skeleton oil blanket 1 and packing seal 2 and expeller 12 seal integrated configuration for the leakproofness of sediment stuff pump is stronger.
In this embodiment, the pump body 5 is mounted on the base 10 through the bracket 4, the base 10 is fixedly connected with the base handle 101, so that the base 10 is more convenient to move, the bracket 4 is fastened on the base 10 through bolts and can be detached, and the bracket 4 is prevented from being seriously worn due to direct contact with the ground.
in this embodiment, the water inlet lower extreme of the pump body 5 is equipped with support frame 11, fixed connection support frame handle 1101 on the support frame, the handle is equipped with the handle bottom plate, the handle bottom plate passes through the bolt fastening on support frame 11 for support frame handle 1101 fastens on support frame 11, be equipped with the pull ring on the support frame handle 1101, the pull ring penetrates in the circular protruding hole on the handle, circular protruding hole and handle bottom plate design as an organic whole, support frame 11 can height-adjusting, is particularly suitable for large-scale sediment stuff pump, can adjust the relative altitude position of adjustable support frame 11 and pump head subassembly according to the height dimensions of base 10 and bracket 4, has realized the reliable support to its pump head subassembly of large-scale sediment stuff pump to the emergence of bracket 4 fracture accident has been reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a sediment stuff pump of skeleton oil blanket which characterized in that: comprises a pump body (5), a bracket (4), a base (10), a support frame (11), a pump shaft (7) and a sealing structure; bracket (4) are installed in the pump body (5) left side, pump shaft (7) rotate through the bearing and set up on bracket (4), pump shaft (7) stretch into the inner chamber of the pump body (5) and stretch into end installation impeller (3), seal structure includes skeleton oil blanket (1) and packing (2), install skeleton oil blanket (1) packing (2) left side, pump shaft (7) left side installation shaft coupling (9).
2. The slurry pump of framework oil seal according to claim 1, characterized in that: the pump comprises a pump body (5) and a pump shaft (7), wherein a packing cavity for packing a packing seal (2) is arranged between the pump body (5) and the pump shaft (7), the lip of a framework oil seal (1) faces the packing seal (2), and the inner diameter of the lip of the framework oil seal (1) is smaller than that of the pump shaft (7).
3. The slurry pump of framework oil seal according to claim 1, characterized in that: the pump shaft (7) stretches into the pump body (5) part with set up expeller (12) between impeller (3), the expeller with impeller (3) are installed relatively, impeller (3) and expeller (12) surface circumference are equipped with curved blade just curved blade protrusion.
4. the slurry pump of framework oil seal according to claim 1, characterized in that: the pump body (5) is installed on the base (10) through the bracket (4), and the base (10) is provided with a base handle (101).
5. the slurry pump of framework oil seal according to claim 1, characterized in that: the water inlet lower extreme of the pump body (5) is equipped with support frame (11), support frame (11) fastening connection support frame handle (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216232.7U CN209761736U (en) | 2018-12-27 | 2018-12-27 | Slurry pump with framework oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216232.7U CN209761736U (en) | 2018-12-27 | 2018-12-27 | Slurry pump with framework oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761736U true CN209761736U (en) | 2019-12-10 |
Family
ID=68747610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822216232.7U Expired - Fee Related CN209761736U (en) | 2018-12-27 | 2018-12-27 | Slurry pump with framework oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761736U (en) |
-
2018
- 2018-12-27 CN CN201822216232.7U patent/CN209761736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191210 Termination date: 20201227 |