CN217814130U - Pump case of slurry pump - Google Patents
Pump case of slurry pump Download PDFInfo
- Publication number
- CN217814130U CN217814130U CN202221914780.7U CN202221914780U CN217814130U CN 217814130 U CN217814130 U CN 217814130U CN 202221914780 U CN202221914780 U CN 202221914780U CN 217814130 U CN217814130 U CN 217814130U
- Authority
- CN
- China
- Prior art keywords
- shell
- procapsid
- connecting block
- back casing
- wall
- 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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- 239000002002 slurry Substances 0.000 title claims description 31
- 239000013049 sediment Substances 0.000 claims abstract description 10
- 108090000565 Capsid Proteins Proteins 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application discloses sediment stuff pump case belongs to the technical field of sediment stuff pump, and its technical scheme main points are sediment stuff pump case, which comprises an outer shell, the inner wall connection of shell has the inner shell, the shell with be provided with between the inner shell with the rubber pad of shell inner wall connection reaches the effect that reduces the wearing and tearing of material to the shell.
Description
Technical Field
The application relates to the technical field of slurry pumps, in particular to a pump shell of a slurry pump.
Background
At present, a slurry pump refers to a device for converting electric energy into kinetic energy and potential energy of a medium by a machine for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the following steps: the fields of mine, metallurgy, chemical industry, building materials, petroleum and the like.
In the related art, the existing patent with the Chinese patent publication No. CN203641101U discloses a pump shell of a slurry pump, which comprises a shell inner cavity, a slurry inlet, a slurry outlet and a connecting body, wherein the shell inner cavity is communicated with the slurry outlet through a runner; the connecting body is cast on the outer peripheral wall of the shell and is provided with internal threads, and the angle between the slurry outlet direction of the slurry outlet and the tangential direction of the flow channel is 90 degrees. The slurry outlet direction of the slurry pump changes the fluid angle, so that the fluid runs more smoothly, the anti-blocking performance and the hydraulic performance of the slurry pump are improved, and the working efficiency of the slurry pump is improved; meanwhile, the connection between the slurry outlet and the slurry outlet pipeline is smooth, and the connecting body is cast on the outer peripheral wall of the shell, so that the installation and the maintenance are very convenient.
In view of the above-mentioned related technologies, the inventor believes that in the working process of the slurry pump, due to the effect of centrifugal force, the material wears the shell of the slurry pump, and the shell is damaged in the past.
SUMMERY OF THE UTILITY MODEL
In order to reduce the abrasion of the materials to the shell, the utility model provides a slurry pump shell.
The utility model provides a pair of sediment stuff pump case adopts following technical scheme:
the utility model provides a sediment stuff pump case, includes the shell, the inner wall connection of shell has the inner shell, the shell with be provided with between the inner shell with the rubber pad of shell inner wall connection.
By adopting the technical scheme, when the slurry pump works, materials collide with the inner shell due to centrifugal force, the inner shell is stressed to generate vibration, and the inner shell prevents the materials from being abraded with the outer shell; the rubber pad reduces the vibrations that the shell was sent to the inner shell, has reduced the mutual wearing and tearing between shell and the inner shell simultaneously, increases the life of shell.
Preferably, a plurality of clamping grooves are formed in the inner wall of the outer shell, a plurality of convex blocks matched with the clamping grooves are fixedly connected to the outer wall of the inner shell, and the convex blocks are placed in the clamping grooves.
Through adopting above-mentioned technical scheme, the position of inner shell is injectd in lug and draw-in groove cooperation, prevents that the inner shell from taking place the displacement at the during operation.
Preferably, the shell includes procapsid and back casing, the procapsid a plurality of connecting pieces of equal fixedly connected with on the back casing circumference wall, the connecting piece includes first connecting block and second connecting block, first connecting block with procapsid fixed connection, the second connecting block with back casing fixed connection, first connecting block and second connecting block one-to-one, first connecting block the second connecting block passes through the bolt fastening.
Through adopting above-mentioned technical scheme, the area of contact of procapsid, back casing has been increased in the cooperation of first connecting block, second connecting block, makes things convenient for the fixed of procapsid and back casing. When the inner shell needs to be replaced, the adjusting bolt enables the front shell to be separated from the rear shell, and the inner shell can be detached and replaced.
Preferably, the end face of the inner shell is fixedly connected with sealing strips, and the sealing strips are respectively abutted to the inner walls of the front shell and the rear shell.
Through adopting above-mentioned technical scheme, at the sediment stuff pump during operation, the sealing strip prevents that the material in the inner shell from getting into the gap between inner shell and the shell, causes extravagantly and increase cost, simultaneously, prevents that inner shell and procapsid, back casing from wearing and tearing each other.
Preferably, a gasket is fixedly connected to the end surface of the rear housing.
Through adopting above-mentioned technical scheme, the material collides with the inner shell and produces vibrations, and the inner shell will vibrate and convey procapsid, back casing, and the packing ring has reduced the wearing and tearing each other between procapsid and the back casing.
Preferably, the import has been seted up on the side of procapsid, the lateral wall fixedly connected with inlet pipe of procapsid, the inlet pipe passes through the import with the inside intercommunication of procapsid, the procapsid with be provided with between the inlet pipe with procapsid fixed connection's guard circle.
Through adopting above-mentioned technical scheme, the procapsid is connected with the inlet pipe, and during the material passed through the inlet pipe and got into the sediment stuff pump, the material got into the in-process and can produce vibrations, and the guard circle reduces the wearing and tearing to the shell of inlet pipe.
Preferably, the inner shell intercommunication has the discharging pipe, the frame is placed to the outer wall fixedly connected with of discharging pipe, place the frame with the procapsid the inner wall butt of back casing.
Through adopting above-mentioned technical scheme, at the sediment stuff pump during operation, the material is followed the discharging pipe output, places the frame and prevents that the material from getting into the cavity between inner shell and procapsid, the back casing, prevents that the material is extravagant and increase cost.
Preferably, the placing frame is provided with a rubber ring fixedly connected with the placing frame between the front shell and the rear shell, and the rubber ring is abutted against the front shell and the rear shell.
Through adopting above-mentioned technical scheme, the rubber circle has increased and has placed the leakproofness between frame and procapsid, the back casing.
To sum up, the utility model discloses following beneficial effect has:
1. the inner shell prevents the materials from being worn by the front shell and the rear shell;
2. the rubber pad prevents that inner shell and procapsid, back casing from producing wearing and tearing, increases life.
Drawings
Fig. 1 is a schematic view of the whole structure of a pump shell of a slurry pump.
Fig. 2 is an exploded view of the inner and outer shells.
Description of reference numerals:
1. a housing; 11. a front housing; 111. an inlet; 12. a rear housing; 13. a card slot; 2. a connecting member; 21. a first connection block; 22. a second connecting block; 3. an inner shell; 31. a bump; 4. a discharge pipe; 5. a rubber pad; 6. a sealing strip; 7. a gasket; 8. a guard ring; 9. placing the frame; 10. a rubber ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A pump shell of a slurry pump refers to fig. 1 and comprises an outer shell 1 and an inner shell 3, wherein the outer shell 1 is sleeved on the outer wall of the inner shell 3.
Referring to fig. 1 and 2, the housing 1 includes a front housing 11 and a rear housing 12, the front housing 11 is in a volute shape, the front housing 11 and the rear housing 12 are symmetrical in structure, a gasket 7 is arranged between the front housing 11 and the rear housing 12, the gasket 7 and the rear housing 12 are fixedly connected to an end face close to the front housing 11, an inlet 111 is formed in a side wall of the front housing 11, the side wall of the front housing 11 is fixedly connected to an inlet pipe through a bolt, the inlet pipe is communicated with the inside of the front housing 11 through the inlet 111, a guard ring 8 is arranged between the front housing 11 and the inlet pipe, and the guard ring 8 is fixedly connected to the front housing 11.
The material enters the shell 1 from the feeding pipe, is thrown to the outer edge through the impeller, the shell 1 is stressed to generate vibration, the gasket 7 reduces mutual abrasion of the front shell 11 and the rear shell 12, the protective ring 8 reduces mutual abrasion of the feeding pipe and the front shell 11, and the service life of the shell 1 is prolonged.
Referring to fig. 1, front casing 11, all be connected with a plurality of connecting pieces 2 on the circumference wall of back casing 12, connecting piece 2 includes first connecting block 21 and second connecting block 22, first connecting block 21 and the circumference wall fixed connection of front casing 11, the lateral wall of first connecting block 21 flushes with the terminal surface that front casing 11 is close to back casing 12, second connecting block 22 and the circumference wall fixed connection of back casing 12, the lateral wall of second connecting block 22 flushes with the terminal surface that back casing 12 is close to front casing 11, first connecting block 21 and second connecting block 22 one-to-one, the bolt passes first connecting block 21, second connecting block 22 and with first connecting block 21, second connecting block 22 threaded connection, the bolt has realized the fixed of front casing 11 and back casing 12.
A plurality of connecting pieces 2 make the front casing 11, back casing 12 fixed more stable, prevent to lead to the bolt to drop because shell 1 vibrations, make the sediment stuff pump unable to use. Since the front case 11 and the rear case 12 are fixed by bolts, the front case 11 and the rear case 12 are easily detached and parts can be replaced.
Referring to fig. 2, a plurality of sets of one-to-one corresponding clamping grooves 13 are formed in the inner walls of the front casing 11 and the rear casing 12, a plurality of sets of one-to-one corresponding bumps 31 are fixedly connected to the circumferential wall of the inner casing 3, rubber pads 5 are fixedly connected to the inner walls of the circumferential surfaces of the front casing 1 and the rear casing 1, and the bumps 31 penetrate through the rubber pads 5 to abut against the front casing 11 and the rear casing 1.
The positions of the inner shell 3 and the outer shell 1 are limited by the matching of the multiple groups of convex blocks 31 and the clamping grooves 13, and the inner shell 3 is prevented from being displaced in work. The rubber pad 5 reduces wear between the projection 31 and the housing 1.
Refer to fig. 2, the longitudinal section of inner shell 3 is the ring form, the circumference wall and the 5 butts of rubber pad of inner shell 3, the both ends face fixedly connected with sealing strip 6 of inner shell 3, two sealing strips 6 respectively with procapsid 11, back casing 12 butt, the circumference wall fixedly connected with discharging pipe 4 of inner shell 3, discharging pipe 4 and the inside intercommunication of inner shell 3, frame 9 is placed to the outer wall fixedly connected with of discharging pipe 4, the top of placing frame 9 top and discharging pipe 4 flushes, place frame 9 and procapsid 11, be provided with rubber circle 10 between the back casing 12, rubber circle 10 with place frame 9 fixed connection, rubber circle 10 and procapsid 11, the inner wall butt of back casing 12.
The application principle of use is as follows: materials are input from an inlet 111, the materials are mixed through the rotation of an impeller of a slurry pump and finally output from a discharge pipe 4, after the materials enter a cavity of the slurry pump, the materials are thrown to the outer edge from the center of the impeller under the action of centrifugal force, so that the inner shell 3 is stressed to generate vibration, the inner shell 3 prevents the materials from being in direct contact with the front shell 11 and the rear shell 12, the abrasion of the materials to the front shell 11 and the rear shell 12 is avoided, the rubber pad 5 between the inner shell 3 and the outer shell 1 reduces the vibration transmitted to the front shell 11 and the rear shell 12 by the inner shell 3, and the mutual abrasion of the inner shell 3, the front shell 11 and the rear shell 12 is avoided; the placing frame 9 on the outer wall of the discharging pipe 4 prevents materials from flowing back to a cavity between the outer shell 1 and the inner shell 3, the rubber ring 10 increases the airtightness, and the placing frame 9 is prevented from wearing the front shell 11 and the rear shell 12.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A sediment stuff pump case, includes shell (1), its characterized in that: the inner wall of shell (1) is connected with inner shell (3), shell (1) with be provided with between inner shell (3) with rubber pad (5) that shell (1) is connected, a plurality of draw-in grooves (13) have been seted up on the inner wall of shell (1), fixedly connected with on the outer wall of inner shell (3) a plurality of with lug (31) that draw-in groove (13) mate, lug (31) are placed in draw-in groove (13).
2. The pump housing of a slurry pump according to claim 1, wherein: shell (1) includes procapsid (11) and back casing (12), procapsid (11) back casing (12) circumference wall on a plurality of connecting piece of equal fixedly connected with (2), connecting piece (2) are including first connecting block (21) and second connecting block (22), first connecting block (21) with procapsid (11) fixed connection, second connecting block (22) with back casing (12) fixed connection, first connecting block (21) and second connecting block (22) one-to-one, first connecting block (21) second connecting block (22) pass through the bolt fastening.
3. The pump housing of a slurry pump according to claim 2, wherein: the equal fixedly connected with sealing strip (6) of terminal surface of inner shell (3), two sealing strip (6) respectively with procapsid (11) the inner wall butt of back casing (12).
4. A slurry pump housing according to claim 3, wherein: and the end surface of the rear shell (12) is fixedly connected with a gasket (7).
5. A slurry pump housing according to claim 3, wherein: import (111) have been seted up on the side of procapsid (11), the lateral wall fixedly connected with inlet pipe of procapsid (11), the inlet pipe passes through import (111) with the inside intercommunication of procapsid (11), procapsid (11) with be provided with between the inlet pipe with procapsid (11) fixed connection's guard circle (8).
6. A slurry pump housing according to claim 3, wherein: inner shell (3) intercommunication has discharging pipe (4), the outer wall fixedly connected with of discharging pipe (4) places frame (9), place frame (9) with procapsid (11) the inner wall butt of back casing (12).
7. The pump housing of a slurry pump according to claim 6, wherein: place frame (9) with procapsid (11) back casing (12) between be provided with place frame (9) fixed connection's rubber circle (10), rubber circle (10) with procapsid (11) back casing (12) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221914780.7U CN217814130U (en) | 2022-07-22 | 2022-07-22 | Pump case of slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221914780.7U CN217814130U (en) | 2022-07-22 | 2022-07-22 | Pump case of slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217814130U true CN217814130U (en) | 2022-11-15 |
Family
ID=83969485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221914780.7U Active CN217814130U (en) | 2022-07-22 | 2022-07-22 | Pump case of slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217814130U (en) |
-
2022
- 2022-07-22 CN CN202221914780.7U patent/CN217814130U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |