CN204283987U - Impeller easy-dismounting device and adopt the diving slurry pump of this device - Google Patents
Impeller easy-dismounting device and adopt the diving slurry pump of this device Download PDFInfo
- Publication number
- CN204283987U CN204283987U CN201420680541.9U CN201420680541U CN204283987U CN 204283987 U CN204283987 U CN 204283987U CN 201420680541 U CN201420680541 U CN 201420680541U CN 204283987 U CN204283987 U CN 204283987U
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- Prior art keywords
- readily removable
- impeller
- removable sleeve
- sleeve
- ring
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Abstract
The utility model relates to a kind of impeller easy-dismounting device dismantling impeller and motor output shaft, also relates to the submersible type Pulp pump of the liquid of a kind of conveying containing solid particles such as sandstone, coal, slag, mine tailings.Impeller easy-dismounting device, comprise readily removable sleeve (3), readily removable ring (1) and knockout screw (2), readily removable ring (1) is enclosed within the outside of readily removable sleeve (3), knockout screw (2) carries out axial limiting radially across readily removable ring (1) to readily removable sleeve (3), thus determines the minimum axial length of readily removable sleeve (3) and readily removable ring (1).Diving slurry pump, readily removable sleeve (3) and readily removable ring (1) are enclosed within the output shaft of motor (4), and the lower end of readily removable sleeve (3) abuts impeller (7), and readily removable ring (1) is relative fixing with the output shaft of motor (4).Readily removable sleeve (3) and readily removable ring (1) carry out axial limiting to impeller, impeller cannot be produced in the process rotated axially displaced, are convenient to impeller demolition, reduce maintenance cost.
Description
Technical field
The utility model relates to a kind of impeller easy-dismounting device dismantling impeller and motor output shaft, also relates to the submersible type Pulp pump of the liquid of a kind of conveying containing solid particles such as sandstone, coal, slag, mine tailings.
Background technique
Existing pump is threaded by the mode of left-hand thread with the output shaft of motor at impeller, in the process of pump work, impeller and output shaft turn tighter and tighter, impeller can not loosen, reliable operation, but Problems existing is that impeller cannot completely be dismantled because connect tension like this, can only be adopt the mode destroying dismounting to be disassembled by the output shaft of impeller from motor at present, detachable maintaining be inconvenient, and causes very large waste.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of diving slurry pump being convenient to dismantle simple, the easy to operate impeller easy-dismounting device of impeller, structure and adopt this device.
The utility model solves the technological scheme that its technical problem adopts: this impeller easy-dismounting device, comprise readily removable sleeve, readily removable ring and knockout screw, readily removable ring set is in the outside of readily removable sleeve, knockout screw carries out axial limiting radially across readily removable ring to readily removable sleeve, thus determines the minimum axial length of readily removable sleeve and readily removable ring.The impeller that this impeller easy-dismounting device is applied to pump is installed, readily removable sleeve and readily removable ring set are on the output shaft of motor, the other two ends that readily removable sleeve and readily removable ring set connect are relative fixing with impeller, output shaft respectively, thus axial limiting is carried out to impeller, impeller cannot be produced in the process rotated axially displaced, prevent impeller because connection tension cannot completely be dismantled, be convenient to impeller demolition, structure is simple, easy to operate, reduces maintenance cost.
Preferably, the end of described readily removable sleeve is provided with the positioning part corresponding with knockout screw.Coordinating with knockout screw with crossing positioning part, avoiding the output shaft of knockout screw to motor to cause damage, reliable operation.
Preferably, described positioning part is be arranged on the positioning step outside readily removable sleeve ends, and the inner of knockout screw fixes at positioning step place.Knockout screw coordinates with the horizontal part of positioning step and realizes axial limiting, and knockout screw abuts the vertical portion of positioning step, and avoid the output shaft damaging motor, structure is simple, easy to operate.
Preferably, described positioning step annular is opened in outside the end of readily removable sleeve.Do not need to aim at knockout screw and positioning step in installation process, easy to operate.
Preferably, described positioning part is be opened in the positioning hole outside readily removable sleeve ends, and the inner of knockout screw is inserted in positioning hole.The axial limiting to readily removable sleeve both direction can be realized, reliable operation, accurate positioning.
Preferably, the top of described readily removable ring is lower large little taper type, and the upper end of readily removable sleeve and the inner side of readily removable ring have axial clearance.Avoid the miscellaneous parts such as readily removable ring and grease chamber to produce in installation process mutually to interfere, easy for installation.
A kind of diving slurry pump, comprise motor, grease chamber, the pump housing and above-mentioned impeller easy-dismounting device, grease chamber is fixed on the lower end of motor, the pump housing is positioned at the below of grease chamber, rotate in the pump housing and be provided with impeller, the output shaft lower end of motor is fixedly connected with impeller, and readily removable sleeve and readily removable ring set are on the output shaft of motor, the lower end of readily removable sleeve abuts impeller, and readily removable ring is relative with the output shaft of motor fixing.Be convenient to dismantle impeller by readily removable sleeve and readily removable ring, avoid destructive dismounting, reduce dismounting, maintenance cost.
Preferably, the output shaft of described motor has upper coarse and lower fine step, and the upper end of readily removable ring is connected to a step place of output shaft, and the upper end of readily removable sleeve and the inner side of readily removable ring have axial clearance.Readily removable sleeve and readily removable ring act directly between output shaft and impeller, easy for installation, avoid readily removable ring in the process of wheel rotation, to produce pressure to grease chamber, reliable operation.
Compared with prior art, this impeller easy-dismounting device and the beneficial effect that adopts the technique scheme of the diving slurry pump of this device to have are:
1, the impeller that this impeller easy-dismounting device is applied to pump is installed, readily removable sleeve and readily removable ring set are on the output shaft of motor, the other two ends that readily removable sleeve and readily removable ring set connect are relative fixing with impeller, output shaft respectively, thus axial limiting is carried out to impeller, impeller cannot be produced in the process rotated axially displaced, prevent impeller because connection tension cannot completely be dismantled, be convenient to impeller demolition, structure is simple, easy to operate, reduces maintenance cost.
2, the end of readily removable sleeve is provided with the positioning part corresponding with knockout screw, coordinating, avoiding the output shaft of knockout screw to motor to cause damage, reliable operation with crossing positioning part with knockout screw.
3, knockout screw coordinates with the horizontal part of positioning step and realizes axial limiting, and knockout screw abuts the vertical portion of positioning step, and avoid the output shaft damaging motor, structure is simple, easy to operate.
4, positioning step annular is opened in outside the end of readily removable sleeve, does not need to aim at knockout screw and positioning step in installation process, easy to operate.
5, diving slurry pump is convenient to dismantle impeller by readily removable sleeve and readily removable ring, avoids destructive dismounting, reduces dismounting, maintenance cost.
6, the upper end of readily removable ring is connected to a step place of output shaft, and readily removable sleeve and readily removable ring act directly between output shaft and impeller, easy for installation, avoids readily removable ring in the process of wheel rotation, to produce pressure to grease chamber, reliable operation.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of this impeller easy-dismounting device.
Fig. 2 is the exploded perspective schematic diagram of this impeller easy-dismounting device.
Fig. 3 is the sectional structure chart of the diving slurry pump being provided with this impeller easy-dismounting device.
Fig. 4 is the structural representation that positioning hole is offered in readily removable sleeve upper end.
Wherein: 1, readily removable ring 2, knockout screw 3, readily removable sleeve 301, positioning step 302, positioning hole 4, motor 5, grease chamber 6, rear pump cover 7, impeller 8, the pump housing 9, front pump cover 10, pressure release connecting base 11, mixing blade 12, base.
Embodiment
Fig. 1 ~ 3 are most preferred embodiments of this impeller easy-dismounting device and the diving slurry pump adopting this device, are described further below in conjunction with accompanying drawing 1 ~ 4 pair of the utility model.
With reference to Fig. 1 ~ 2, this impeller easy-dismounting device, comprises readily removable sleeve 3, readily removable ring 1 and knockout screw 2, and readily removable ring 1 is enclosed within the outside of readily removable sleeve 3, knockout screw 2 carries out axial limiting radially across readily removable ring 1 to readily removable sleeve 3, thus determines the minimum axial length of readily removable sleeve 3 and readily removable ring 1.The impeller that this impeller easy-dismounting device is applied to pump is installed, readily removable sleeve 3 is enclosed within the output shaft of motor 4 with readily removable ring 1, the other two ends that readily removable sleeve 3 and readily removable ring 1 are socketed are relative fixing with impeller 7, output shaft respectively, thus axial limiting is carried out to impeller 7, impeller 7 cannot be produced in the process rotated axially displaced, prevent impeller 7 because connection tension cannot completely be dismantled, be convenient to impeller 7 dismantle, structure is simple, easy to operate, reduces maintenance cost.
Preferably, be provided with the positioning step 301 corresponding with knockout screw 2 outside the end of readily removable sleeve 3, the inner of knockout screw 2 fixes at positioning step 301 place.Knockout screw 2 coordinates with the horizontal part of positioning step 301 and realizes axial limiting, and knockout screw 2 abuts the vertical portion of positioning step 301, and avoid the output shaft damaging motor 4, structure is simple, easy to operate.Further, positioning step 301 annular is opened in outside the end of readily removable sleeve 3.Do not need in installation process, aim at knockout screw 2 and positioning step 301, easy to operate.Certain positioning step 301 can also be interval offer multiple.
The top of readily removable ring 1 is lower large little taper type, and the upper end of readily removable sleeve 3 and the inner side of readily removable ring 1 have axial clearance.Avoid readily removable ring 1 to produce in installation process with grease chamber 5 miscellaneous part such as grade mutually to interfere, easy for installation.
With reference to Fig. 3, this diving slurry pump, comprise motor 4, grease chamber 5, the pump housing 8 and above-mentioned impeller easy-dismounting device, grease chamber 5 is fixed on the lower end of motor 4, and the pump housing 8 is positioned at the below of grease chamber 5, rotates and be provided with impeller 7 in the pump housing 8, the output shaft lower end of motor 4 is fixedly connected with impeller 7, readily removable sleeve 3 and readily removable ring 1 are enclosed within the output shaft of motor 4, and the lower end of readily removable sleeve 3 abuts impeller 7, and readily removable ring 1 is relative with the output shaft of motor 4 fixing.Be convenient to dismantle impeller 7 with readily removable ring 1 by readily removable sleeve 3, avoid destructive dismounting, reduce dismounting, maintenance cost.
Preferably, the output shaft of motor 4 has upper coarse and lower fine step, and the upper end of readily removable ring 1 is connected to a step place of output shaft, and the upper end of readily removable sleeve 3 and the inner side of readily removable ring 1 have axial clearance.Readily removable sleeve 3 and readily removable ring 1 act directly between output shaft and impeller 7, easy for installation, produce pressure, reliable operation in the process avoiding readily removable ring 1 to rotate at impeller 7 to grease chamber 5.
Grease chamber 5 in the present embodiment is fixedly connected with by a pressure release connecting base 10 with the pump housing 8, and the side opening of pressure release connecting base 10 is provided with and is communicated with outside pressure release passage, is connected on the upside of the inner chamber of the pump housing 8 with pressure release passage.The pressured fluid on the pump housing 8 inner chamber top is discharged to outside through pressure release passage, thus effectively prevent the pressured fluid of the pump housing 8 inner chamber from producing pressure and impact to grease chamber 5, thus ensure that sealing is reliable, extend the working life of grease chamber 5 and complete machine, because the impact of pressured fluid is no longer born by grease chamber 5, sealing is more reliable, also can increase the rated lift of diving slurry pump.
Pressure release connecting base 10 is housings of a hollow, the rear pump cover 6 of level is fixedly connected with on the upside of the pump housing 8, the front pump cover 9 of level is fixedly connected with on the downside of the pump housing 8, slag slurry entrance is opened in the middle part of front pump cover 9, base 12 is fixed with in the below of front pump cover 9, the output shaft of motor 4 connects impeller 7 through rear pump cover 6, there is between the output shaft of motor 4 and rear pump cover 6 radial pressure release annular space, the inner chamber of the pump housing 8 is communicated with the inner chamber of pressure release connecting base 10 by pressure release annular space, and eventually through pressure release passage and ft connection, thus the discharge of the pressured fluid on the pump housing 8 inner chamber top can be realized pressure release.Be communicated with pressure release passage by pressure release annular space, structure is simple, and only has a small amount of pressured fluid to discharge, thus avoid the delivery pressure seriously reducing pump, the back blade at impeller 7 back also can stop that the pressured fluid of the pump housing 8 inner chamber is upwards discharged, and realizes sealing, guarantees working stability.On the downside of impeller 7, be integrally fixed with mixing blade 11, mixing blade 11 stretches out slag slurry entrance, and structure is simple, easy for installation.
Be more than most preferred embodiment of the present utility model, the utility model can also adopt other structures:
With reference to Fig. 4, positioning part can also be opened in the positioning hole 302 outside readily removable sleeve 3 end, and the inner of knockout screw 2 is inserted in positioning hole 302, can realize the axial limiting to readily removable sleeve 3 both direction, reliable operation, accurate positioning.Positioning hole 302 can also adopt the locating slot of annular to replace.Certain knockout screw 2 is fixed on the upper end of readily removable sleeve 3 after can also being through readily removable ring 1, structure is simple.Readily removable ring 1 can also be straight-tube shape.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. an impeller easy-dismounting device, it is characterized in that: comprise readily removable sleeve (3), readily removable ring (1) and knockout screw (2), readily removable ring (1) is enclosed within the outside of readily removable sleeve (3), knockout screw (2) carries out axial limiting radially across readily removable ring (1) to readily removable sleeve (3), thus determines the minimum axial length of readily removable sleeve (3) and readily removable ring (1).
2. impeller easy-dismounting device according to claim 1, is characterized in that: the end of described readily removable sleeve (3) is provided with the positioning part corresponding with knockout screw (2).
3. impeller easy-dismounting device according to claim 2, is characterized in that: described positioning part is for being arranged on the positioning step (301) outside readily removable sleeve (3) end, and the inner of knockout screw (2) fixes at positioning step (301) place.
4. impeller easy-dismounting device according to claim 3, is characterized in that: described positioning step (301) annular is opened in outside the end of readily removable sleeve (3).
5. impeller easy-dismounting device according to claim 2, is characterized in that: described positioning part is for being opened in the positioning hole (302) outside readily removable sleeve (3) end, and the inner of knockout screw (2) is inserted in positioning hole (302).
6. impeller easy-dismounting device according to claim 1, is characterized in that: the top of described readily removable ring (1) is lower large little taper type, and the upper end of readily removable sleeve (3) and the inner side of readily removable ring (1) have axial clearance.
7. a diving slurry pump, it is characterized in that: comprise motor (4), grease chamber (5), the pump housing (8) and the impeller easy-dismounting device described in any one of claim 1 ~ 6, grease chamber (5) is fixed on the lower end of motor (4), the pump housing (8) is positioned at the below of grease chamber (5), rotate in the pump housing (8) and be provided with impeller (7), the output shaft lower end of motor (4) is fixedly connected with impeller (7), readily removable sleeve (3) and readily removable ring (1) are enclosed within the output shaft of motor (4), the lower end of readily removable sleeve (3) abuts impeller (7), readily removable ring (1) is relative fixing with the output shaft of motor (4).
8. diving slurry pump according to claim 7, it is characterized in that: the output shaft of described motor (4) has upper coarse and lower fine step, the upper end of readily removable ring (1) is connected to a step place of output shaft, and the upper end of readily removable sleeve (3) and the inner side of readily removable ring (1) have axial clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680541.9U CN204283987U (en) | 2014-11-14 | 2014-11-14 | Impeller easy-dismounting device and adopt the diving slurry pump of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680541.9U CN204283987U (en) | 2014-11-14 | 2014-11-14 | Impeller easy-dismounting device and adopt the diving slurry pump of this device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283987U true CN204283987U (en) | 2015-04-22 |
Family
ID=52867152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680541.9U Expired - Fee Related CN204283987U (en) | 2014-11-14 | 2014-11-14 | Impeller easy-dismounting device and adopt the diving slurry pump of this device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425878A (en) * | 2018-05-16 | 2018-08-21 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of adjustable two phase flow pump impeller forging of impeller blade |
-
2014
- 2014-11-14 CN CN201420680541.9U patent/CN204283987U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425878A (en) * | 2018-05-16 | 2018-08-21 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of adjustable two phase flow pump impeller forging of impeller blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 Termination date: 20161114 |