CN201041151Y - Spiral rotor pump - Google Patents
Spiral rotor pump Download PDFInfo
- Publication number
- CN201041151Y CN201041151Y CNU2007201422237U CN200720142223U CN201041151Y CN 201041151 Y CN201041151 Y CN 201041151Y CN U2007201422237 U CNU2007201422237 U CN U2007201422237U CN 200720142223 U CN200720142223 U CN 200720142223U CN 201041151 Y CN201041151 Y CN 201041151Y
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- Prior art keywords
- helical rotor
- case
- transmission
- helical
- gearbox
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Abstract
The utility model discloses a helical rotor pump, comprising: a helical rotor box, a transmission box, and a gearbox. The helical rotor box and the transmission box are connected by bolts, the gearbox and the transmission box are connected by bolts, the master transmission shaft and the slave transmission shaft are passed through the helical rotor box, the transmission box, and the gearbox. Wherein, the helical rotor box is provided with helical rotors arranged on the master transmission shaft and the slave transmission shaft; the transmission box is provided with a transmission gear group arranged on the master transmission shaft and the slave transmission shaft; the gearbox is provided with a variable speed gear group arranged on the master transmission shaft, the variable speed gear group is connected with the motor shaft. By using the helical rotor pump, the structure is compact, the operation is stable and efficient, when the helical rotors are worn, only the soft wings need to be changed, which greatly reduces the costs of the operation and the maintenance, furthermore, the replacement is convenient.
Description
Technical field
The utility model relates to a kind of pump, relates in particular to a kind of helical rotor pump.
Background technique
In recent years, the rotor pump of various types emerge in multitude on market, but all have unsatisfactory part.These rotor pumps mainly have the following disadvantages:
One, existing rotor pump adopts independently speed reducer and transmission device usually.So just caused and speed reducer, transmission device and the pump housing need have been carried out mechanical connection, for example by coupling speed reducer, transmission device have been connected with the pump housing, therefore, required transmission distance is very long, thereby has caused bigger vibration and noise in the work.And unit volume is huge, causes the work-yard that takies also bigger.
Two, the rotor blade profile of existing rotor pump is the straight line type blade structure, (especially pumping the process of gas, liquid fluid-mixing medium) moved not steady owing to holding the gas difference during work of straight line type blade structure, also can cause unit vibration and noise, make operator's working environment very abominable.
Three, existing rotor pump, two exist the gap between the integral metal material rotor in relative rotation, therefore make the ability that the sucts variation of rotor pump.Particularly when conveying comprises the medium of small amount of solid particle, can add the wearing and tearing between greater trochanter and the rotor, thereby cause between the pump housing and the rotor, rotor and gap between rotor increase, reduced the efficient of pump and sucted ability, even caused unit to lose efficacy.
The model utility content
The purpose of this utility model provides a kind of compact structure, rotor pump efficiently operates steadily.
The helical rotor pump that the utility model provides comprises helical rotor case, transmission case and gearbox, and the helical rotor case is connected with transmission case, and gearbox is connected with transmission case, main drive shaft and pass helical rotor case, transmission case and gearbox from transmission shaft,
Have in the helical rotor case and be installed in main drive shaft and the helical rotor from the transmission shaft; Have in the transmission case and be installed in main drive shaft and the driving gear set from the transmission shaft; Have the speed change gear group that is installed on the main drive shaft in the gearbox, described speed change gear group is connected with motor reel.
Preferably, described helical rotor has matrix and flexible head, and described flexible head is connected the matrix top.More preferably, described flexible head is the nonmetal soft wing.
Preferably, have link between described matrix and the flexible head, described link has the wedge structure that can regulate.
Preferably, have link between described matrix and the flexible head, described link has the fixed guide plug in structure.
Preferably, described helical rotor has spiral three wings or four winged petiole sheets.
Preferably, described helical rotor pump also comprises separate cavities, and described separate cavities is between helical rotor case and transmission case, and described separate cavities has mechanical seal to prevent the dielectric leakage in helical rotor case and the transmission case.
Preferably, has the control oil that is used for lubricating and cooling off mechanical seal in the described separate cavities.
Preferably, described mechanical seal comprises the stationary seat that is installed on the main drive shaft and is installed in rotating ring from the transmission shaft.
Preferably, also comprise: in the helical rotor case wear-resisting lining is installed, described wear-resisting lining is installed between the helical rotor and second pump closure.
Adopt helical rotor pump of the present utility model, because gearbox, transmission case and helical rotor case are connected as one, make pump compact overall structure, easy to install, reduced the vibration and the noise of pump.Secondly, the design of the molded lines of helical rotor uniqueness makes it have very high appearance gas, can pump the very high gas of air content, liquid fluid-mixing medium, and running steadily, and noise is lower.Because helical rotor is a rotary structure, has two-way suction function, and needs only the power source speed that changes adapted in a big way, can change lift of pump and flow, efficient is higher.The flexible alar part of helical rotor uniqueness can reach between rotor and the rotor, rotor cooperates with the no gap of pump housing inboard, has improved the ability of sucting greatly.The nonmetal alar part of helical rotor can be made with the soft material of oil resistant, high temperature resistant, wear-corrosion resistance, low bulk, the wearing and tearing of pump housing inner chamber have been reduced, when helical rotor weares and teares, only need change the soft wing simultaneously, greatly reduce operation and maintenance expenses, and change conveniently.
Description of drawings
Fig. 1 is the schematic representation of helical rotor pump of the present utility model;
Fig. 2 a is the schematic representation of the spiral helical rotor of the utility model helical rotor pump;
Fig. 2 b is the schematic representation of the structural formula helical rotor of the utility model helical rotor;
Fig. 2 c is the schematic representation of the integrated type helical rotor of the utility model helical rotor pump.
Embodiment
As shown in Figure 1, helical rotor pump of the present utility model comprises: gearbox 7, transmission case 11, helical rotor case 20, main drive shaft 37 and driven transmission shaft 46.Wherein, helical rotor case 20 and transmission case 11 are connected by bolt, and gearbox 7 and transmission case 11 are connected by bolt, main drive shaft 37 and pass helical rotor case 20, transmission case 11 and gearbox 7 from transmission shaft 46.
Described gearbox 7 is accepted power from external power supply (for example motor does not roll away from), through the transmission of speed change gear group speed is reduced to rotational speed in the helical rotor pump work scope.In embodiment of the present utility model, the casing of gearbox 7 is made of metal, has cylindrical tank wall, one side end has the hole of preliminary dimension, with installation main drive shaft 37, from parts such as transmission shaft 46 and bearings, end side covers by first pump closure 6, also has the hole that is used for installation shaft and bearing on described first pump closure 6.Have in gearbox 7 and be installed in main drive shaft and the speed change gear group from the transmission shaft, by elastic dowel pin shaft coupling, the speed change helical teeth shaftgear 1 in the speed change gear group directly is connected with motor reel, and other helical gear is meshing with each other and realizes predetermined reduction speed ratio.First pump closure 6 and gearbox 7 are connected by bolt, and preferably can adopt labyrinth seal.
The casing of transmission case 11 is made of metal, also has cylindrical tank wall, and a side end has the hole of preliminary dimension, with installation main drive shaft 37, from parts such as transmission shaft 46 and bearings.Have in the transmission case 11 and be installed in main drive shaft 37 and the driving gear set from the transmission shaft 46.Transmission case 11 both sides are connected by bolt with gearbox 7 and helical rotor case 20 respectively.Transmission case 11 is by main drive shaft 37, formed co-speed relative movement mechanism from transmission shaft 46 and driving gear set.
Similarly, helical rotor case 20 is made of metallic material, has cylindrical tank wall.Have in the helical rotor case 20 and be installed in main drive shaft 37 and the helical rotor 19 from the transmission shaft 46.Helical rotor case 20 is connected with second pump closure 22 by bolt 24, and the mating face seals with O type circle 38.Helical rotor case 20 and transmission case 11 are connected by bolt.Have helical rotor 19 in the helical rotor case 20, described helical rotor 19 is installed in main drive shaft 37 respectively by rolling bearing 23 and from transmission shaft 46.By the transmission of speed change gear group and driving gear set, described main drive shaft 37 and rotate from transmission shaft 46
Helical rotor 19 has spiral blade, and the curve of spiral is according to design according to certain rules, and described helical curve can be for example log spiral, Archimedes spiral or the like.Helical rotor 19 can be all-in-one-piece, also can be knockdown.The integrated type helical rotor can adopt metallic material, by the process for machining moulding.The combined type helical rotor comprises matrix 191, flexible head 192 and link 193.In the utility model, matrix 191 adopts the metallic material stainless steel to make, and flexible head 192 adopts nonmetal alar part, and shown in Fig. 2 a to 2c, described nonmetal alar part is three aerofoil profiles.In other embodiments, nonmetal alar part also can for four aerofoil profiles being applicable to different occasions, and matrix 191 and flexible head 192 can adopt any suitable made, for example matrix 191 can adopt the nonmetal structure of being strengthened by Steel Support.
Fig. 2 a is the side view of spiral helical rotor structure.In the present embodiment, spiral helical rotor has matrix 191 and flexible head 192, and flexible head 192 is the nonmetal soft wing, and this nonmetal alar part adopts fluorine rubber or polyurethane rubber to make, so oil resistant, high temperature resistant, wear-corrosion resistance, expansivity are low.And the nonmetal soft wing is enclosed within the top of matrix 191, utilizes the elasticity of the soft wing self material and the size of soft wing inboard, and the soft wing and matrix 191 are closely cooperated.
Fig. 2 b is the side view of structural formula helical rotor structure, and promptly helical rotor 19 links together matrix 191 and flexible head 192 by link 193.In the present embodiment, link 193 is the adjustable wedge structure and the joint institution of fixed guide plug in structure, is used for cooperating between adjusting color screw rotor 19 and the pump chamber.The flexible head 192 of helical rotor 19 is the nonmetal soft wing, and this nonmetal alar part adopts fluorine rubber or polyurethane rubber to make.
Fig. 2 c is the side view of integrated type helical rotor structure, integrated type helical rotor 19 can adopt the integrally formed structure of metallic material, also matrix 191 and flexible head 192 integral body can be combined, for example matrix 191 and flexible head 192 combine by process means integral body such as welding, bondings.
Preferably, helical rotor case 20 two ends have wear-resisting lining 18, and wear-resisting lining 18 adopts the heat treated metal material to make, and wear-resisting lining 18 is installed between the helical rotor 19 and second pump closure 22.Wear-resisting lining can be installed in axially or radially, can protect the inboard of helical rotor case 20 and second pump closure 22 and pump housing inboard to avoid wearing and tearing, to prolong the working life of pump.
Separate cavities is arranged between helical rotor case 20 and the transmission case 11, at helical rotor case 20 and transmission case 11 two ends mechanical seal is housed respectively, to prevent the dielectric leakage in helical rotor case 20 and the transmission case 11.Preferably, in separate cavities, fill control oil, be used for lubricated and cooling mechanical seal.
In the assembling process of helical rotor pump, main drive gear is installed in the transmission case 11, driving gear is installed on the main drive shaft 37, be installed in the transmission case 11 by the described main drive shaft 37 of rolling bearing.Similarly, driving gear also is installed in from transmission shaft 46, is installed in the transmission case 11 from transmission shaft 46 by rolling bearing is described.With the stationary seat of mechanical seal 39 with moving ring sleeve is gone into main drive shaft 37 and from transmission shaft 46.
Then, the helical rotor case 20 that installs mechanical seal 39 is connected and fixed with transmission case 11 usefulness bolts 28.Preferably, wear-resisting lining 18 is installed in helical rotor case 20.There is wear-resisting lining 18 at helical rotor case 20 two ends, and described wear-resisting lining 18 is installed between the helical rotor 19 and second pump closure 22, and wear-resisting lining 18 and helical rotor case are fixed.Adjusting color screw rotor 19 is inserted in helical rotor 19 from transmission shaft 46 and main drive shaft 37 respectively to the appropriate location, and is fixed by clamping bolt.By bolt second pump closure 22 is connected with helical rotor case 20.
Then, 7 assemblings comprise to gearbox: deceleration helical gear 8 is enclosed within on the main drive shaft 37, and packing into installs the shaftgear of rolling bearing, connects the gearbox 7 and the first pump end cap 6 with bolt.Then gearbox 7 usefulness bolts are connected with transmission case 11.
Helical rotor pump of the present utility model can have different mounting types, for example vertical and horizontal fixed installation mode or vehicle-mounted mobile mounting type.
In helical rotor pump work process, motor output shaft is passed to the speed change gear group of gearbox 7 with rotatablely moving of certain speed and torque, outputs to the helical rotor case through transmission case after the speed change.Shown in Fig. 2 a to 2c, when the motor output shaft clockwise direction rotated, power was delivered to shaftgear 1 by power source, and the deceleration helical gear 8, the driving gear that drive on the main drive shaft 37 counterclockwise rotate.Driving gear from transmission shaft 46 is driven to the clockwise direction rotation, thereby makes two double helix rotors in the helical rotor case produce rotation in opposite directions, forms high low pressure and seals the alveolus.Make flowing medium flow into, in pump, flow, flow out from zone of high pressure liquid outlet 27 by low pressure area liquid entering hole 28.
When motor output shaft counterclockwise rotated, power was delivered to shaftgear 1 by power source, drove deceleration helical gear 8, the rotation of driving gear clockwise direction on the main drive shaft 37.Driving gear from transmission shaft 46 is driven to counterclockwise rotating, thereby make two double helix rotors in the helical rotor case produce rotation in opposite directions, form high low pressure sealing alveolus, flowing medium is flowed into by low pressure area liquid entering hole 27, in pump, flow, flow out from zone of high pressure liquid outlet 28.
Although the utility model is to be described by above-mentioned preferred embodiment, but it realizes only being not limited to above-mentioned mode of execution, should be realized that under the situation that does not break away from the utility model spirit and scope those skilled in the art can make different variations and modification to the utility model.
Claims (10)
1. helical rotor pump, it is characterized in that, comprise helical rotor case (20), transmission case (11) and gearbox (7), helical rotor case (20) is connected with transmission case (11), gearbox (7) is connected with transmission case (11), main drive shaft (37) and pass helical rotor case (20), transmission case (11) and gearbox (7) from transmission shaft (46)
Have in the helical rotor case (20) and be installed in main drive shaft (37) and the helical rotor (19) from the transmission shaft (46);
Have in the transmission case (11) and be installed in main drive shaft (37) and the driving gear set from the transmission shaft (46);
Have the speed change gear group that is installed on the main drive shaft (37) in the gearbox (7), described speed change gear group is connected with motor reel.
2. helical rotor pump according to claim 1 is characterized in that, described helical rotor (19) has matrix (191) and flexible head (192), and described flexible head (192) is connected matrix (191) top.
3. helical rotor pump according to claim 2 is characterized in that, has link (193) between described matrix (191) and the flexible head (192), and described link (193) has the wedge structure that can regulate.
4. helical rotor pump according to claim 3 is characterized in that, described flexible head (192) is the nonmetal soft wing.
5. helical rotor pump according to claim 2 is characterized in that, has link (193) between described matrix (191) and the flexible head (192), and described link (193) has the fixed guide plug in structure.
6. helical rotor pump according to claim 1 and 2 is characterized in that, described helical rotor (19) has spiral three wings or four winged petiole sheets.
7. helical rotor pump according to claim 1 and 2, it is characterized in that, described helical rotor pump also comprises separate cavities, described separate cavities is positioned between helical rotor case (20) and the transmission case (11), and described separate cavities has mechanical seal (39) to prevent the dielectric leakage in helical rotor case (20) and the transmission case (11).
8. helical rotor pump according to claim 7 is characterized in that, has in the described separate cavities to be used for control oil lubricated and cooling mechanical seal.
9. helical rotor pump according to claim 7 is characterized in that, described mechanical seal (39) comprises the stationary seat that is installed on the main drive shaft (37) and is installed in rotating ring from the transmission shaft (46).
10. helical rotor pump according to claim 1 is characterized in that, also comprises: wear-resisting lining (18) is installed in the helical rotor case (20), and described wear-resisting lining (18) is installed between helical rotor (19) and second pump closure (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201422237U CN201041151Y (en) | 2007-04-10 | 2007-04-10 | Spiral rotor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201422237U CN201041151Y (en) | 2007-04-10 | 2007-04-10 | Spiral rotor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041151Y true CN201041151Y (en) | 2008-03-26 |
Family
ID=39252856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201422237U Expired - Fee Related CN201041151Y (en) | 2007-04-10 | 2007-04-10 | Spiral rotor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041151Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284487A (en) * | 2011-08-18 | 2011-12-21 | 常州市鹏腾金属制品有限公司 | Multi-stand two-roller reducing unit |
| CN102705228A (en) * | 2012-06-14 | 2012-10-03 | 浙江威隆机械科技有限公司 | Double-support rotor pump with parallel sealing surfaces |
| CN103147982A (en) * | 2013-03-20 | 2013-06-12 | 浙江威隆机械科技有限公司 | Double-support rotor pump partition mechanism |
| CN104564656A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel rotor gear pump |
| CN106499629A (en) * | 2016-11-04 | 2017-03-15 | 西安航空动力控制科技有限公司 | A kind of roots blower rotor assembly |
-
2007
- 2007-04-10 CN CNU2007201422237U patent/CN201041151Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284487A (en) * | 2011-08-18 | 2011-12-21 | 常州市鹏腾金属制品有限公司 | Multi-stand two-roller reducing unit |
| CN102705228A (en) * | 2012-06-14 | 2012-10-03 | 浙江威隆机械科技有限公司 | Double-support rotor pump with parallel sealing surfaces |
| CN102705228B (en) * | 2012-06-14 | 2015-04-15 | 浙江威隆机械科技有限公司 | Double-support rotor pump with parallel sealing surfaces |
| CN103147982A (en) * | 2013-03-20 | 2013-06-12 | 浙江威隆机械科技有限公司 | Double-support rotor pump partition mechanism |
| CN103147982B (en) * | 2013-03-20 | 2016-08-31 | 浙江威隆机械科技有限公司 | A kind of interrupter on dual-gripper impeller pump |
| CN104564656A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel rotor gear pump |
| CN106499629A (en) * | 2016-11-04 | 2017-03-15 | 西安航空动力控制科技有限公司 | A kind of roots blower rotor assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20120410 |