CN218118025U - Screw pump convenient to maintain - Google Patents
Screw pump convenient to maintain Download PDFInfo
- Publication number
- CN218118025U CN218118025U CN202222805471.2U CN202222805471U CN218118025U CN 218118025 U CN218118025 U CN 218118025U CN 202222805471 U CN202222805471 U CN 202222805471U CN 218118025 U CN218118025 U CN 218118025U
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- stator
- screw pump
- rack
- base
- positioning column
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Abstract
The utility model provides a screw pump convenient to maintain. Relates to the technical field of screw pumps. The stator is clamped between the feeding section and the discharging section, the discharging section is connected with the discharging pipe through the coupling sealing flange in the radial direction of the stator, the discharging pipe is fixedly connected onto the base, the discharging section is fixedly connected with the positioning column along the direction prolonged by the stator, the positioning column is in clearance fit connection with the guide sleeve, the guide sleeve is fixedly connected onto the base, the rack is machined on the positioning column, and the rack is connected with the gear after penetrating through the positioning groove in the guide sleeve. The utility model discloses following beneficial effect has: when the stator needs to be replaced, the positioning column is moved outwards to enable the stator to rotate, after the stator is replaced, the positioning column is moved reversely, the discharging section and the discharging pipe are sealed through the coupling sealing flange, the work of changing and maintaining the screw pump stator is completed, the pump body and the process pipeline of the inlet and the outlet do not need to be disassembled, the screw pump stator can be operated by a single person, the labor amount is small, the maintenance time is short, and the leakage amount of maintenance working fluid is small.
Description
The technical field is as follows:
the utility model belongs to the technical field of the screw pump technique and specifically relates to a screw pump convenient to maintain.
Background art:
the rubber stator of the screw pump is a quick-wear part and needs to be replaced periodically according to the degree of wear, after a process pipeline connecting the feeding pipe and the discharging pipe needs to be removed for replacing the stator, the bolt between the discharging section and the feeding section is removed, the stator can be replaced, the labor amount for replacing and maintaining the stator of the screw pump is large, and the leakage amount of fluid in the pump body is large.
The utility model has the following contents:
change the problem that the stator amount of labour is big in order to solve present screw pump, and the fluid leakage amount is big in the pump body, the utility model provides a screw pump convenient to maintain.
The technical scheme of the utility model is that: the utility model provides a screw pump convenient to maintain, including the feeding section and the base of screw pump, the centre gripping has the stator between feeding section and the ejection of compact section, the ejection of compact section passes through the sealed flange joint discharging pipe of coupling in the radial direction of stator, discharging pipe fixed connection is on the base, the direction fixed connection reference column of ejection of compact section along the stator extension, the reference column is connected with uide bushing clearance fit, uide bushing fixed connection is on the base, it has the rack to process on the reference column, the rack passes behind the constant head tank on the uide bushing and is connected with gear engagement, the width of rack is connected with the width clearance fit of constant head tank, the gear passes through the parallel key connecting axle, the axle passes through the bearing group, the retaining ring is connected in the transmission case, transmission case fixed connection is on the base.
The sealing surface of the coupling sealing flange is an inclined surface inclined toward the axis on the stator side and inclined away from the axis on the positioning column side.
A worm is processed on the shaft and is in meshed connection with the worm wheel, a driving handle of the worm wheel extends out of the transmission case, and the worm wheel and the worm are in self-locking transmission.
The effective stroke of the rack is larger than the length of the stator.
The utility model discloses following beneficial effect has: set up the worm gear transmission, can press from both sides tight fixed stator between ejection of compact section and the feeding section, and can not become flexible under the auto-lock of worm gear, the worm gear transmission, the driven reduction ratio of rack and pinion can alleviate the manpower, improve the sealed thrust of coupling sealing flange, the rotatory worm gear of rotary drive handle, drive gear rotates, gear drive rack drives reference column lateral shifting, when needing to change the stator, outwards remove the reference column and can come out the stator is rotatory, change behind the stator, the back movement reference column, ejection of compact section and discharging pipe are sealed through the coupling sealing flange and are accomplished the work that screw pump stator changed and maintain, need not to dismantle the pump body and the process pipeline of importing and exporting, one-man can operate, the amount of labour is little, short maintenance time, it is little to maintain working fluid leakage amount.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a partial view of FIG. 1;
FIG. 4 is a top view of FIG. 3;
fig. 5 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 4.
In the figure, 1-a feeding section, 2-a stator, 3-a discharging section, 4-a discharging pipe, 5-a coupling sealing flange, 6-a base, 7-a positioning column, 8-a guide sleeve, 9-a rack, 10-a gear, 11-a driving handle, 12-a turbine, 13-a shaft, 14-a worm, 15-a transmission box and 16-a positioning groove.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2 to 5, a screw pump convenient to maintain comprises a feeding section 1 and a base 6 of the screw pump, a stator 2 is clamped between the feeding section 1 and a discharging section 3, the discharging section 3 is connected with a discharging pipe 4 through a coupling sealing flange 5 in the radial direction of the stator 2, the discharging pipe 4 is fixedly connected onto the base 6, the discharging section 3 is fixedly connected with a positioning column 7 along the extension direction of the stator 2, the positioning column 7 is in clearance fit connection with a guide sleeve 8, the guide sleeve 8 is fixedly connected onto the base 6, a rack 9 is processed on the positioning column 7, the rack 9 penetrates through a positioning groove 16 on the guide sleeve 8 and then is meshed with a gear 10, the width of the rack 9 is in clearance fit connection with the width of the positioning groove 16, the gear 10 is connected with a transmission box 15 through a flat key connecting shaft 13, the shaft 13 is connected into the transmission box 15 through a bearing set and a retainer ring, and the transmission box 15 is fixedly connected onto the base 6.
The sealing surface of the coupling sealing flange 5 is a bevel which is inclined in the axial direction on the side of the stator 2 and in the direction away from the axis on the side of the positioning post 7.
A worm 14 is processed on the shaft 13, the worm 14 is meshed with the worm wheel 12, the driving handle 11 of the worm wheel 12 extends out of the transmission case 15, and the worm 14 of the worm wheel 12 is in self-locking transmission.
The effective stroke of the rack 9 is larger than the length of the stator 2, and the stator 2 can be directly replaced when the positioning column 7 moves to the outermost side.
Set up the transmission of turbine worm, can press from both sides tight fixed stator 2 between ejection of compact section 3 and the feeding section 1, and can not become flexible under the auto-lock of turbine worm, the transmission of turbine worm, rack and pinion driven reduction ratio can alleviate the manpower, improve the sealed thrust of coupling sealing flange 5, rotatory drive handle 11 rotates 12 worms 14 of turbine, drive gear 10 rotates, gear 10 drives rack 9 and drives reference column 7 lateral shifting, when needing to change stator 2, outwards remove reference column 7 and can come out stator 2 is rotatory, change stator 2 after, reverse movement reference column 7, ejection of compact section 3 and discharging pipe 4 are sealed through coupling sealing flange 5 and are accomplished the work of screw pump stator 2 change maintenance, need not to dismantle the pump body and the process line who imports and exports, single can operate, the amount of labour is little, the maintenance time is short, it leaks the volume to maintain working fluid for a short time little.
Claims (4)
1. A screw pump convenient to maintain, includes feed section (1) and base (6) of screw pump, its characterized in that: feed section (1) and ejection of compact section (3) between the centre gripping have stator (2), ejection of compact section (3) pass through coupling sealing flange (5) at the radial direction of stator (2) and connect discharging pipe (4), discharging pipe (4) fixed connection is on base (6), direction fixed connection reference column (7) of ejection of compact section (3) along stator (2) extension, reference column (7) and uide bushing (8) clearance fit are connected, uide bushing (8) fixed connection is on base (6), it has rack (9) to process on reference column (7), rack (9) pass behind constant head tank (16) on uide bushing (8) and be connected with gear (10) meshing, the width of rack (9) and the width clearance fit of constant head tank (16) are connected, gear (10) are through parallel key connecting axle (13), axle (13) are through the bearing group, the retaining ring is connected in transmission case (15), transmission case (15) fixed connection is on base (6).
2. A screw pump for facilitating maintenance according to claim 1, wherein: the sealing surface of the coupling sealing flange (5) is an inclined surface which is inclined towards the axial direction on the side of the stator (2) and inclined towards the direction far away from the axial direction on the side of the positioning column (7).
3. A screw pump for facilitating maintenance according to claim 1 or claim 2, wherein: a worm (14) is processed on the shaft (13), the worm (14) is meshed with the worm wheel (12), a driving handle (11) of the worm wheel (12) extends out of the transmission box (15), and the worm (14) of the worm wheel (12) is in self-locking transmission.
4. A screw pump for facilitating maintenance according to claim 1, wherein: the effective stroke of the rack (9) is larger than the length of the stator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805471.2U CN218118025U (en) | 2022-10-24 | 2022-10-24 | Screw pump convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805471.2U CN218118025U (en) | 2022-10-24 | 2022-10-24 | Screw pump convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118025U true CN218118025U (en) | 2022-12-23 |
Family
ID=84497446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805471.2U Active CN218118025U (en) | 2022-10-24 | 2022-10-24 | Screw pump convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118025U (en) |
-
2022
- 2022-10-24 CN CN202222805471.2U patent/CN218118025U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |