CN220667808U - Wear-resisting plate structure with adjustable gap for double-screw rotor pump - Google Patents
Wear-resisting plate structure with adjustable gap for double-screw rotor pump Download PDFInfo
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- CN220667808U CN220667808U CN202321853784.3U CN202321853784U CN220667808U CN 220667808 U CN220667808 U CN 220667808U CN 202321853784 U CN202321853784 U CN 202321853784U CN 220667808 U CN220667808 U CN 220667808U
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- 210000004907 gland Anatomy 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model relates to the technical field of double-screw rotor pumps, in particular to a wear-resisting plate structure with adjustable gaps of a double-screw rotor pump, which is characterized in that by arranging the device, although two groups of wear-resisting plates are worn when being contacted with a bearing seat and a mounting plate, the two groups of wear-resisting plates can be always pushed to move inwards through four groups of elastic components, so that the two groups of wear-resisting plates are always in a sealed and closely-attached state with two groups of rotors, the wear between the two groups of wear-resisting plates and the bearing seat and the mounting plate is prevented from being increased, the leakage quantity is increased gradually when the gap exceeds a designated distance, and the conveying displacement of the pump is reduced gradually; the novel self-locking device comprises a pump body, a gear box, a bearing seat, two groups of bearing covers, two groups of driven shafts, two groups of wear-resisting plates, a wear-resisting bushing, two groups of rotors, a mounting plate and a pushing mechanism, wherein the gear box is arranged at the right end of the pump body, the pushing mechanism comprises four groups of fixing shafts and four groups of elastic components, and the four groups of fixing shafts are respectively arranged at the front side and the rear side of the right end of the bearing seat and the left end of the mounting plate.
Description
Technical Field
The utility model relates to the technical field of double-screw rotor pumps, in particular to a wear-resistant plate structure with adjustable gaps for a double-screw rotor pump.
Background
The double-screw rotor pump is a positive displacement pump with low rotation speed, high lift and high efficiency. A pair of identical screw rotors which are matched without gaps are arranged in parallel in the pump cavity, and the screw rotors are applied to the environment-friendly technology in the fields of petroleum, petrochemical industry and chemical industry for conveying oil-containing sludge.
However, in the double-screw rotor pump containing complex-component media such as oil-containing sewage, the more the abrasion between the wear-resisting plate of the medium and the end face of the rotor is increased gradually, the larger the gap between the end face of the rotor and the wear-resisting plate is, and when the gap exceeds a specified distance, the leakage amount is increased gradually, and the delivery displacement of the pump is reduced gradually.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the double-screw rotor pump gap-adjustable wear-resistant plate structure, which is provided with the device, and the wear-resistant plate structure can always push two groups of wear-resistant plates to move inwards through four groups of elastic components in spite of the fact that the two groups of wear-resistant plates are worn by contacting with a bearing seat and a mounting plate, so that the two groups of wear-resistant plates are always in a sealed and closely-attached state with two groups of rotors, the wear between the two groups of wear-resistant plates and the bearing seat and the mounting plate is prevented from being increasingly larger, when the gap exceeds a specified distance, the leakage amount is gradually increased, and the conveying displacement of a pump is gradually reduced.
The utility model discloses a wear-resistant plate structure with adjustable gaps for a double-screw rotor pump, which comprises a pump body, a gear box, a bearing seat, two groups of bearing covers, two groups of driven shafts, two groups of wear-resistant plates, a wear-resistant bushing, two groups of rotors, a mounting plate and a pushing mechanism, wherein the gear box is arranged at the right end of the pump body, the bearing seat is arranged at the left end of the pump body, the two groups of bearing covers are respectively arranged at the upper side and the lower side of the left end of the bearing seat, the mounting plate is arranged at the left side in the gear box, the left end of the driven shafts passes through the gear box, the mounting plate, the pump body and the bearing seat to be connected with the bearing covers of the two groups of bearing covers, the two groups of driven shafts are rotatably connected with the bearing seat and the mounting plate, the two groups of wear-resistant plates are arranged at the inner ends of the bearing seat and the mounting plate through the pushing mechanism, the two groups of wear-resistant plates are closely contacted with the two groups of rotors, the wear-resistant bushing is arranged in the pump body, the two groups of wear-resistant plates are closely contacted with the wear-resistant bushing in a sliding manner, the upper parts and lower parts of the two groups of the wear-resistant bushing are respectively arranged at the top and bottom in the wear-resistant bushing, the wear-resistant bushing is respectively, the two groups of the wear-resistant plates are respectively provided with perforations in communication, the four groups of the left and the left side, the driven shafts are respectively, the wear-resistant plate are respectively, the left and the left side of the wear-resistant plate are arranged on the wear-resistant plate is arranged at the left.
The utility model relates to a wear-resistant plate structure with adjustable clearance for a double-screw rotor pump, wherein an elastic component is arranged as a belleville spring.
According to the wear-resistant plate structure with the adjustable gap for the double-screw rotor pump, the upper part and the lower part of the inner ends of the bearing seat and the mounting plate are respectively provided with the first positioning grooves, the two groups of driven shafts are respectively positioned in the four groups of first positioning grooves of the bearing seat and the mounting plate, and the four groups of elastic components are respectively positioned in the four groups of first positioning grooves of the bearing seat and the mounting plate.
According to the wear-resisting plate structure with the adjustable gap for the double-screw rotor pump, the upper parts and the lower parts of the outer ends of two groups of wear-resisting plates are respectively provided with the second positioning grooves, and the four groups of second positioning grooves on the two groups of wear-resisting plates correspond to the positions of the bearing seat and the four groups of first positioning grooves on the mounting plate respectively.
According to the wear-resistant plate structure with the adjustable gap for the double-screw rotor pump, the top end, the bottom end, the front end and the rear end of each group of first positioning grooves are provided with the elastic clamping heads, the top end, the bottom end, the front end and the rear end of each group of elastic components are provided with the clamping grooves, and four groups of elastic clamping heads in each group of first positioning grooves are respectively clamped with four groups of clamping grooves on the corresponding elastic components.
The utility model relates to a wear-resisting plate structure with adjustable gaps for a double-screw rotor pump, which further comprises four groups of mounting rings, wherein the four groups of mounting rings are respectively arranged in four groups of sliding holes of two groups of wear-resisting plates, a plurality of groups of balls are respectively rotatably arranged in the four groups of mounting rings, and a plurality of groups of balls on each group of mounting rings are respectively contacted with a corresponding fixed shaft.
Compared with the prior art, the utility model has the beneficial effects that: with two sets of wear plates can produce wearing and tearing with bearing frame and mounting panel contact respectively, when two sets of wear plates appear wearing and tearing, four sets of elastic component then promote two sets of wear plates and inwards move, four sets of slide holes on two sets of wear plates then slide on four sets of fixed axles, thereby make two sets of wear plates be in sealed state of hugging closely all the time with two sets of rotors, through setting up this equipment, though two sets of wear plates can produce wearing and tearing with bearing frame and mounting panel contact, but can promote two sets of wear plates inwards move all the time through four sets of elastic component, thereby guaranteed that two sets of wear plates are in sealed state of hugging closely all the time with two sets of rotors, avoided wearing and tearing between two sets of wear plates and bearing frame and the mounting panel to be bigger and bigger, when the clearance exceeds the appointed interval, the leakage volume also can increase gradually, the delivery displacement of pump reduces gradually.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a connection structure of a stationary shaft and a slide hole;
FIG. 3 is a schematic view of the connection structure of the spring assembly and the spring clip;
FIG. 4 is a schematic view of the connection of the wear plate and the second detent;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A;
the reference numerals in the drawings: 1. a pump body; 2. a gear box; 3. a bearing seat; 4. a bearing gland; 5. a driven shaft; 6. a wear plate; 7. wear-resistant bushings; 8. a rotor; 9. a mounting plate; 10. a fixed shaft; 11. a slide hole; 12. an elastic component; 13. a first positioning groove; 14. a second positioning groove; 15. an elastic chuck; 16. a mounting ring; 17. and (3) rolling balls.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 5, the utility model discloses a wear-resistant plate structure with adjustable gap for a double-screw rotor pump, which comprises a pump body 1, a gear box 2, a bearing seat 3, two groups of bearing covers 4, two groups of driven shafts 5, two groups of wear-resistant plates 6, a wear-resistant bushing 7, two groups of rotors 8, a mounting plate 9 and a pushing mechanism, wherein the gear box 2 is arranged at the right end of the pump body 1, the bearing seat 3 is arranged at the left end of the pump body 1, the two groups of bearing covers 4 are respectively arranged at the upper side and the lower side of the left end of the bearing seat 3, the mounting plate 9 is arranged at the left side in the gear box 2, the left end of the two groups of driven shafts 5 is in bearing connection with the two groups of bearing covers 4 through the gear box 2, the mounting plate 9, the pump body 1 and the bearing seat 3, the two groups of driven shafts 5 are in rotary connection with the bearing seat 3 and the mounting plate 9, the two groups of wear-resistant plates 6 are arranged at the inner ends of the bearing seat 3 and the mounting plate 9 through the pushing mechanism, the two groups of wear plates 6 are tightly contacted with the two groups of rotors 8, the wear-resistant lining 7 is arranged in the pump body 1, the two groups of wear plates 6 are tightly attached to the wear-resistant lining 7 in a sliding sealing way, the two groups of rotors 8 are respectively arranged at the top end and the bottom end in the wear-resistant lining 7, the upper parts and the lower parts of the two groups of wear plates 6 are respectively communicated and provided with perforations, the two groups of driven shafts 5 are in sliding connection with the four groups of perforations on the two groups of wear plates 6, the pushing mechanism comprises four groups of fixed shafts 10 and four groups of elastic components 12, the four groups of fixed shafts 10 are respectively arranged at the right end of the bearing seat 3 and the front side and the rear side of the left end of the mounting plate 9, the front parts and the rear parts of the two groups of wear plates 6 are respectively communicated and provided with sliding holes 11, the four groups of fixed shafts 10 are respectively sleeved on the two groups of driven shafts 5 in a sliding way, four groups of elastic components 12 are positioned between the bearing seat 3 and the left wear plate 6 and between the mounting plate 9 and the right wear plate 6; with the wear of the two groups of wear plates 6 which are contacted with the bearing seat 3 and the mounting plate 9 respectively, when the wear of the two groups of wear plates 6 occurs, the four groups of elastic components 12 push the two groups of wear plates 6 to move inwards, the four groups of sliding holes 11 on the two groups of wear plates 6 slide on the four groups of fixing shafts 10, so that the two groups of wear plates 6 are always in a sealed and tightly-attached state with the two groups of rotors 8, by arranging the device, although the two groups of wear plates 6 are contacted with the bearing seat 3 and the mounting plate 9, the two groups of wear plates 6 can be always pushed to move inwards by the four groups of elastic components 12, so that the two groups of wear plates 6 are always in a sealed and tightly-attached state with the two groups of rotors 8, the wear between the two groups of wear plates 6 and the bearing seat 3 and the mounting plate 9 is avoided, the leakage amount is gradually increased when the gap exceeds a designated distance, and the conveying displacement of the pump is gradually reduced.
The utility model relates to a wear-resistant plate structure with adjustable clearance for a double-screw rotor pump, wherein an elastic component 12 is arranged as a belleville spring; the belleville spring is a special spring which is tapered in the axial direction and bears load, a certain potential energy is stored after the belleville spring bears load deformation, and when the bolt is loosened, the belleville spring releases partial potential energy to keep the pressure between flange connections to meet the sealing requirement.
The utility model relates to a wear-resisting plate structure with adjustable gaps for a double-screw rotor pump, wherein the upper part and the lower part of the inner ends of a bearing seat 3 and a mounting plate 9 are respectively provided with a first positioning groove 13, two groups of driven shafts 5 are respectively positioned in four groups of first positioning grooves 13 of the bearing seat 3 and the mounting plate 9, and four groups of elastic components 12 are respectively positioned in four groups of first positioning grooves 13 of the bearing seat 3 and the mounting plate 9; by providing the first positioning groove 13, the four sets of elastic components 12 are positioned conveniently, so that the installation of the four sets of elastic components is facilitated.
The utility model relates to a wear-resisting plate structure with adjustable gaps of a double-screw rotor pump, wherein the upper part and the lower part of the outer ends of two groups of wear-resisting plates 6 are respectively provided with a second positioning groove 14, and four groups of second positioning grooves 14 on the two groups of wear-resisting plates 6 respectively correspond to the positions of a bearing seat 3 and four groups of first positioning grooves 13 on a mounting plate 9; by arranging the second positioning grooves 14, four groups of elastic components 12 can be respectively clamped into four groups of first positioning grooves 13 on the bearing seat 3 and the mounting plate 9 and four groups of second positioning grooves 14 on the two groups of wear plates 6, so that the elastic components 12 are clamped and positioned.
According to the wear-resistant plate structure with the adjustable gap for the double-screw rotor pump, the top end, the bottom end, the front end and the rear end of each group of first positioning grooves 13 are provided with the elastic clamping heads 15, the top end, the bottom end, the front end and the rear end of each group of elastic components 12 are provided with clamping grooves, and four groups of elastic clamping heads 15 in each group of first positioning grooves 13 are respectively clamped with four groups of clamping grooves on the corresponding elastic components 12; by arranging the elastic clamping head 15, the elastic component 12 can be clamped and fixed in the first positioning groove 13 on the bearing seat 3 or the mounting plate 9, so that the elastic component 12 is prevented from being held by hands.
The utility model relates to a wear-resisting plate structure with adjustable gaps of a double-screw rotor pump, which also comprises four groups of mounting rings 16, wherein the four groups of mounting rings 16 are respectively arranged in four groups of sliding holes 11 of two groups of wear-resisting plates 6, a plurality of groups of balls 17 are respectively arranged in the four groups of mounting rings 16 in a rotating way, and a plurality of groups of balls 17 on each group of mounting rings 16 are respectively contacted with a corresponding fixed shaft 10; by providing the mounting ring 16 and the balls 17, the friction force of the fixed shaft 10 contacting the slide hole 11 is prevented from being reduced, thereby reducing the wear degree thereof.
When the double-screw rotor pump wear-resisting plate structure with adjustable gaps works, firstly, wear can be generated along with the contact of the two groups of wear-resisting plates 6 with the bearing seat 3 and the mounting plate 9 respectively, when the two groups of wear-resisting plates 6 are worn, the four groups of elastic components 12 push the two groups of wear-resisting plates 6 to move inwards, and the four groups of sliding holes 11 on the two groups of wear-resisting plates 6 slide on the four groups of fixing shafts 10, so that the two groups of wear-resisting plates 6 are always in a sealed and tightly-attached state with the two groups of rotors 8.
The utility model relates to a wear-resistant plate structure with adjustable gaps for a double-screw rotor pump, which is characterized in that the installation mode, the connection mode or the setting mode of the wear-resistant plate structure are all common mechanical modes, and the wear-resistant plate structure can be implemented as long as the beneficial effects of the wear-resistant plate structure can be achieved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
1. The utility model provides a double helix rotor pump adjustable gap's antifriction plate structure, including the pump body (1), gear box (2), bearing frame (3), two sets of bearing gland (4), two sets of driven shafts (5), two sets of antifriction plate (6), wear-resisting bush (7), two sets of rotors (8), mounting panel (9) and pushing mechanism, gear box (2) are installed at pump body (1) right-hand member, bearing frame (3) are installed in pump body (1) left end, two sets of bearing gland (4) are installed respectively in bearing frame (3) left end upside and left end downside, mounting panel (9) are installed in gear box (2) left side, two sets of driven shafts (5) left end pass gear box (2), mounting panel (9), pump body (1) and bearing frame (3) are connected with two sets of bearing gland (4) bearing, two sets of driven shafts (5) are connected with bearing frame (3) and mounting panel (9) rotation, two sets of antifriction plate (6) are installed at bearing frame (3) and mounting panel (9) inner through pushing mechanism, two sets of antifriction plate (6) are closely contacted with two sets of rotors (8), wear-resisting bush (7) are installed in pump body (6) inside seal (7), the two groups of rotors (8) are respectively arranged at the top end and the bottom end in the wear-resistant bushing (7), the upper parts and the lower parts of the two groups of wear-resistant plates (6) are respectively communicated and provided with perforations, the two groups of driven shafts (5) are in sliding connection with the four groups of perforations on the two groups of wear-resistant plates (6), and the wear-resistant bearing is characterized in that the pushing mechanism comprises four groups of fixed shafts (10) and four groups of elastic components (12), the four groups of fixed shafts (10) are respectively arranged at the right end of the bearing seat (3) and the front side and the rear side of the left end of the mounting plate (9), the front parts and the rear parts of the two groups of wear-resistant plates (6) are respectively communicated and provided with sliding holes (11), the four groups of fixed shafts (10) are respectively sleeved on the two groups of driven shafts (5), and the four groups of elastic components (12) are arranged between the bearing seat (3) and the left wear-resistant plate (6) and between the mounting plate (9) and the right wear-resistant plate (6).
2. A double helical rotor pump adjustable clearance wear plate structure as claimed in claim 1, wherein said resilient member (12) is provided as a belleville spring.
3. A double-screw rotor pump adjustable-clearance wear-resistant plate structure according to claim 2, characterized in that the bearing seat (3) and the mounting plate (9) are provided with first positioning grooves (13) at the upper and lower parts of the inner ends, the two driven shafts (5) are respectively positioned in the four first positioning grooves (13) of the bearing seat (3) and the mounting plate (9), and the four elastic components (12) are respectively positioned in the four first positioning grooves (13) of the bearing seat (3) and the mounting plate (9).
4. A double-screw rotor pump adjustable-clearance wear-resistant plate structure according to claim 3, characterized in that the upper and lower parts of the outer ends of the two sets of wear-resistant plates (6) are provided with second positioning grooves (14), and the four sets of second positioning grooves (14) on the two sets of wear-resistant plates (6) correspond to the positions of the bearing seat (3) and the four sets of first positioning grooves (13) on the mounting plate (9), respectively.
5. A double-screw rotor pump adjustable gap wear-resistant plate structure as claimed in claim 4, wherein the top end, the bottom end, the front end and the rear end of each group of first positioning grooves (13) are provided with elastic clamping heads (15), the top end, the bottom end, the front end and the rear end of each group of elastic components (12) are provided with clamping grooves, and four groups of elastic clamping heads (15) in each group of first positioning grooves (13) are respectively clamped with four groups of clamping grooves on the corresponding elastic components (12).
6. A double-screw rotor pump adjustable clearance wear-resistant plate structure according to claim 5, further comprising four sets of mounting rings (16), wherein the four sets of mounting rings (16) are respectively mounted in the four sets of sliding holes (11) of the two sets of wear-resistant plates (6), a plurality of sets of balls (17) are respectively rotatably arranged in the four sets of mounting rings (16), and the plurality of sets of balls (17) on each set of mounting rings (16) are respectively contacted with a corresponding fixed shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853784.3U CN220667808U (en) | 2023-07-13 | 2023-07-13 | Wear-resisting plate structure with adjustable gap for double-screw rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321853784.3U CN220667808U (en) | 2023-07-13 | 2023-07-13 | Wear-resisting plate structure with adjustable gap for double-screw rotor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667808U true CN220667808U (en) | 2024-03-26 |
Family
ID=90344094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321853784.3U Active CN220667808U (en) | 2023-07-13 | 2023-07-13 | Wear-resisting plate structure with adjustable gap for double-screw rotor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667808U (en) |
-
2023
- 2023-07-13 CN CN202321853784.3U patent/CN220667808U/en active Active
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