CN204436781U - A kind of twin-screw liquid pump - Google Patents
A kind of twin-screw liquid pump Download PDFInfo
- Publication number
- CN204436781U CN204436781U CN201520015869.3U CN201520015869U CN204436781U CN 204436781 U CN204436781 U CN 204436781U CN 201520015869 U CN201520015869 U CN 201520015869U CN 204436781 U CN204436781 U CN 204436781U
- Authority
- CN
- China
- Prior art keywords
- joint
- rotor assembly
- twin
- main body
- gear
- 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.)
- Active
Links
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses a kind of twin-screw liquid pump, comprises housing, is provided with male rotor assembly, female rotor assembly in housing; The first end of described male rotor assembly is provided with the first gear, and the first end of female rotor assembly is provided with the second gear, and the first gear is meshed with the second gear; Second end of one of them rotor connects driving arrangement; Described male rotor assembly comprises male rotor main body, is arranged at male rotor main body two ends, the first joint be connected with male rotor main body, the second joint respectively; Described female rotor assembly comprises female rotor main body, is arranged at female rotor main body two ends, the 3rd joint be connected with female rotor main body, the 4th joint respectively; The circumference of the first joint, the second joint, the 3rd joint, the 4th joint is respectively equipped with Sealing, bearing part.The twin-screw liquid pump that the utility model proposes, gas-liquid two-phase adaptability is good, and reliability is high.
Description
Technical field
The utility model belongs to liquor pump technical field, relates to a kind of liquor pump, particularly relates to a kind of twin-screw liquid pump.
Background technique
Existing liquor pump mostly is gear pump or the centrifugal pump of opening type.
The defect of gear pump is: an always gear drive another one gear in gear pump, and the merit of consumption has half consumption in driving process; Meanwhile, in ORC circulation, the viscosity of liquid is usually lower, and gear is easy to wear.
The defect of centrifugal pump is: after liquid sucks by centrifugal pump, in suction process, pressure reduces, and liquid is easily vaporized, and causes the efficiency of centrifugal pump to reduce; Thus affect the efficiency of whole ORC circulation.The defect of the liquor pump of opening type is, working medium is easily revealed by shaft seal.
In view of this, nowadays in the urgent need to designing a kind of new liquor pump, to overcome the above-mentioned defect of existing liquor pump.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of twin-screw liquid pump, can further improve the sealing of liquor pump.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of twin-screw liquid pump, described twin-screw liquid pump comprises housing, is provided with male rotor, female rotor in described housing;
The first end of described male rotor is provided with the first gear, and the first end of female rotor is provided with the second gear, and the first gear is meshed with the second gear; Second end of one of them rotor connects driving arrangement;
Described male rotor assembly comprises male rotor main body, is arranged at male rotor main body two ends, the first joint be connected with male rotor main body, the second joint respectively;
Described female rotor assembly comprises female rotor main body, is arranged at female rotor main body two ends, the 3rd joint be connected with female rotor main body, the 4th joint respectively;
The circumference of the first joint, the second joint, the 3rd joint, the 4th joint is respectively equipped with Sealing, bearing part.
As a kind of preferred version of the present utility model, the second end of described male rotor is fixedly connected with described driving arrangement.
As a kind of preferred version of the present utility model, described second joint is the part of male rotor assembly near male rotor assembly second end, and the 4th joint is the part of female rotor assembly near female rotor assembly second end;
The bearing part that the circumference of described second joint, the 4th joint is arranged is respectively the second bearing pack, the 4th bearing pack, and the second bearing pack, the 4th bearing pack all at least comprise 2 bearings.
As a kind of preferred version of the present utility model, described housing comprises body, end body, first joint, male rotor main body, the 3rd joint, female rotor main body are arranged in body, and the major component of the second joint, the major component of the 4th joint are arranged in end body.First gear, the second gear are arranged in the first lid.
As a kind of preferred version of the present utility model, described body is furnished with the first lid, and described end body is furnished with the second lid.
As a kind of preferred version of the present utility model, described second joint stretches out the second lid, and the joint of the second joint and the second lid is provided with the 5th Sealing.
Described male rotor assembly, female rotor assembly are twin-screw rotor assembly.The gear ratio of described female rotor assembly, male rotor assembly is 6:5.
The beneficial effects of the utility model are: the twin-screw liquid pump that the utility model proposes, and gas-liquid two-phase adaptability is good, and reliability is high.Be different from traditional gear pump, male rotor by gear transmission not higher than 25% power to female rotor, greatly reduce power loss, improve the efficiency of liquor pump; This twin-screw liquid pump adopts reliable sealing, active chamber and bearing bore is effectively separated, and effectively prevent lubricant oil and working medium pollutes mutually, significantly improves the sealing of liquor pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model twin-screw liquid pump.
Fig. 2 is the external structure schematic diagram of the utility model twin-screw liquid pump.
Fig. 3 is the structural representation of twin-screw rotor in the utility model twin-screw liquid pump.
Accompanying drawing primary clustering symbol description is as follows:
1: body 2: end body
3: male rotor assembly 4: female rotor assembly
5: the first lid 6: the second lids
7: the first gear 8: the second gears
9: clutch shaft bearing group 10: the second bearing pack
11: the three bearing pack 12: the four bearing pack
13: the first Sealing 14: the second Sealings
15: the three Sealing 16: the four Sealings
17: the five Sealings 18: male rotor assembly second end
21: liquor inlet 22: liquid outlet
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1, Fig. 2, the utility model discloses a kind of twin-screw liquid pump, and described twin-screw liquid pump comprises housing, and described housing comprises body 1, end body 2, and described body 1 is furnished with the first lid 5, and described end body 2 is furnished with the second lid 6.
Male rotor assembly 3, female rotor assembly 4 is provided with in described housing; The first end of described male rotor assembly 3 is provided with the first gear 7, and the first end of female rotor assembly 4 is provided with the second gear 8, first gear 7 and is meshed with the second gear 8.Second end of one of them rotor assembly connects motor (also can be other drive units); In the present embodiment, the second end 18 of male rotor assembly 3 connects motor.
Described male rotor assembly 3 comprises male rotor main body, is arranged at male rotor main body two ends, the first joint be fixedly connected with male rotor main body, the second joint respectively.Described female rotor assembly comprises female rotor main body, is arranged at female rotor main body two ends, the 3rd joint be fixedly connected with female rotor main body, the 4th joint respectively.The circumference of the first joint, the second joint, the 3rd joint, the 4th joint is respectively equipped with Sealing, bearing part.
In the present embodiment, the first joint, the second joint, the 3rd joint, the 4th joint include the first linkage section, the second linkage section, and the first linkage section compares the second linkage section away from male rotor assembly/female rotor assembly; The external diameter of the second linkage section is greater than the first linkage section.The circumference of the first linkage section arranges bearing part 9,10,11,12, and the circumference of the second linkage section arranges Sealing 13,14,15,16.
Described second joint is the part of male rotor assembly near male rotor assembly second end 18, and the 4th joint is the part of female rotor assembly near female rotor assembly second end; The bearing part that the circumference of described first joint, the second joint, the 3rd joint, the 4th joint is arranged is respectively clutch shaft bearing group 9, the 3rd bearing pack 11, second bearing pack 10, the 4th bearing pack 12,3rd bearing pack 11, the 4th bearing pack 12 all at least comprise 2 bearings, and clutch shaft bearing group 9, second bearing pack 10 at least comprises 1 bearing respectively.
Particularly, the circumference of the first joint arranges clutch shaft bearing group 9, first Sealing 13 respectively, the circumference of the second joint arranges the 3rd Sealing 15, the 3rd bearing pack 11 respectively, the circumference that the circumference of the 3rd joint arranges the second bearing pack 10, second Sealing the 14, four joint respectively arranges the 4th Sealing 16, the 4th bearing pack 12 respectively.
First joint, male rotor main body, the 3rd joint, female rotor main body are arranged in body 1, and the major component of the second joint, the 4th joint are arranged in end body 2.
The joint that described second joint stretches out the second lid 6, second joint and the second lid 6 is provided with the 5th Sealing 17.
Refer to Fig. 2, the top of body 1 is provided with liquor inlet 21, and the side of body 1 is provided with liquid outlet 22.
Described male rotor assembly, female rotor assembly are twin-screw rotor assembly, according to the difference of operating mode, select different female rotors, male rotor gear ratio.In the present embodiment, yin, yang rotor gear ratio is selected to be 6:5, as shown in Figure 3.
In sum, the twin-screw liquid pump that the utility model proposes, gas-liquid two-phase adaptability is good, and reliability is high.Be different from traditional gear pump, male rotor by gear transmission not higher than 25% power to female rotor, greatly reduce power loss, improve the efficiency of liquor pump; This twin-screw liquid pump adopts reliable sealing, active chamber and bearing bore is effectively separated, and effectively prevent lubricant oil and working medium pollutes mutually, significantly improves the sealing of liquor pump.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present utility model or substantive characteristics, the utility model can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the utility model scope and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (8)
1. a twin-screw liquid pump, is characterized in that, described twin-screw liquid pump comprises housing, is provided with male rotor assembly, female rotor assembly in described housing;
The first end of described male rotor assembly is provided with the first gear, and the first end of female rotor assembly is provided with the second gear, and the first gear is meshed with the second gear; Second end of one of them rotor assembly connects driving arrangement;
Described male rotor assembly comprises male rotor main body, is arranged at male rotor main body two ends, the first joint be connected with male rotor main body, the second joint respectively;
Described female rotor assembly comprises female rotor main body, is arranged at female rotor main body two ends, the 3rd joint be connected with female rotor main body, the 4th joint respectively;
The circumference of the first joint, the second joint, the 3rd joint, the 4th joint is respectively equipped with Sealing, bearing part, and active chamber and bearing bore effectively separate by Sealing.
2. twin-screw liquid pump according to claim 1, is characterized in that:
Second end of described male rotor assembly is fixedly connected with described driving arrangement rotor.
3. twin-screw liquid pump according to claim 1, is characterized in that:
Described second joint is the part of male rotor assembly near male rotor second end, and the 4th joint is the part of female rotor assembly near female rotor assembly second end;
The bearing part that the circumference of described second joint, the 4th joint is arranged is respectively the second bearing pack, the 4th bearing pack, and the second bearing pack, the 4th bearing pack all at least comprise 2 bearings.
4. twin-screw liquid pump according to claim 1, is characterized in that:
Described housing comprises body, end body, and the first joint, male rotor main body, the 3rd joint, female rotor main body are arranged in body, and the major component of the second joint, the major component of the 4th joint are arranged in end body; First gear, the second gear are arranged in the first lid.
5. twin-screw liquid pump according to claim 4, is characterized in that:
Described body is furnished with the first lid, and described end body is furnished with the second lid.
6. twin-screw liquid pump according to claim 5, is characterized in that:
Described second joint stretches out the second lid, and the joint of the second joint and the second lid is provided with the 5th Sealing.
7. twin-screw liquid pump according to claim 1, is characterized in that:
Described male rotor assembly, female rotor assembly are twin-screw rotor assembly.
8. twin-screw liquid pump according to claim 7, is characterized in that:
The gear ratio of described female rotor assembly, male rotor assembly is 6:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015869.3U CN204436781U (en) | 2015-01-09 | 2015-01-09 | A kind of twin-screw liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015869.3U CN204436781U (en) | 2015-01-09 | 2015-01-09 | A kind of twin-screw liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436781U true CN204436781U (en) | 2015-07-01 |
Family
ID=53604654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520015869.3U Active CN204436781U (en) | 2015-01-09 | 2015-01-09 | A kind of twin-screw liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564657A (en) * | 2015-01-09 | 2015-04-29 | 上海维尔泰克螺杆机械有限公司 | Twin-screw liquid pump |
-
2015
- 2015-01-09 CN CN201520015869.3U patent/CN204436781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564657A (en) * | 2015-01-09 | 2015-04-29 | 上海维尔泰克螺杆机械有限公司 | Twin-screw liquid pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101608695B (en) | Rotary valve | |
| CN204436781U (en) | A kind of twin-screw liquid pump | |
| CN204126885U (en) | Noise abatement oil pump gear assembly | |
| CN204941925U (en) | High-pressure gear water pump | |
| CN201162821Y (en) | Oil leak-proof bearing cover | |
| CN205013283U (en) | Magnetic force actuation single -screw pump | |
| CN208718914U (en) | Reciprocating rotation screw pump based on the driving of sucker rod pumping bar | |
| CN104728416A (en) | Dual clutch transmission with improved oil pump arrangement structure | |
| CN207034149U (en) | A kind of sealed lubrication system of mechanical transmission mechanism | |
| CN104564657A (en) | Twin-screw liquid pump | |
| CN104121331B (en) | Double-screw impregnator gear drive | |
| CN204573047U (en) | A kind of double-clutch speed changer improving oil pump arrangement structure | |
| CN206495786U (en) | A kind of low-flow high-lift centrifugal multistage pump multiple centrifugal pump | |
| CN103527438B (en) | A kind of integrate motor pump for hydraulic efficiency system | |
| CN106989011A (en) | External toothing button pump | |
| CN204283874U (en) | Marine gear pump | |
| CN102182818A (en) | Efficient lubricating machinery | |
| CN203384041U (en) | Inner meshing cycloid rotor pump | |
| CN201857998U (en) | Liquid pump of screw expander | |
| CN200999726Y (en) | Down-hole double-screw pump system | |
| CN201672001U (en) | Intermediate transmission box applicable to high-power tractor | |
| CN206290430U (en) | A kind of external gear for fluid transmission pump | |
| CN104912722B (en) | The mixed dynamic self-circulation lubricating formula hydraulic turbine of one kind | |
| CN101592155B (en) | Small-flow high-delivery-lift submerged multi-stage centrifugal pump | |
| CN102840316B (en) | Reduction gearbox with low output rotating speed for pumping unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |