CN107524594A - A kind of efficient three screw pump - Google Patents
A kind of efficient three screw pump Download PDFInfo
- Publication number
- CN107524594A CN107524594A CN201710829669.5A CN201710829669A CN107524594A CN 107524594 A CN107524594 A CN 107524594A CN 201710829669 A CN201710829669 A CN 201710829669A CN 107524594 A CN107524594 A CN 107524594A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- pump
- efficient
- driving screw
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
- F04C13/002—Pumps for particular liquids for homogeneous viscous liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of efficient three screw pump, including the pump housing, bushing, driving screw rod, first driven screw, second driven screw, upper lid, safety valve and thrust shaft coupling, described upper lid is arranged on the front end of the pump housing, described driving screw rod is horizontally installed on the centre position of pump body and protrudes from the front end of lid, described the first driven screw and the second driven screw is separately positioned on pump body and is equipped with the upper and lower ends in driving screw rod, described bushing is arranged in the pump housing and is in contact with the first driven screw and the second driven screw, described safety valve is arranged on the upper end of the pump housing, described thrust shaft coupling, which is arranged on lid and respectively with driving screw rod and safety valve, to be connected.By the above-mentioned means, the present invention carries out the suction of liquid using the revolution of screw rod, the conveying of high viscosity liquid can be applied to, adding thrust shaft coupling makes which raises operating efficiency, stable, its sturdy construction, securely and reliably, service life length.
Description
Technical field
The present invention relates to the technical field of component of machine, more particularly to a kind of efficient three screw pump.
Background technology
It is used for the conveying device of the high-viscosity materials such as adhesive, polyurethane, butyl rubber, PUR both at home and abroad at present, typically
Conveyed using gear pump, plunger pump, screw pump or membrane pump, when above-mentioned material viscosity is very big, individually using gear pump, plunger
Pump, screw pump or membrane pump are not easy to convey, or are not easy metering conveying, and metering is inaccurate.
The content of the invention
The present invention solves the technical problem of a kind of efficient three screw pump is provided, liquid is carried out using the revolution of screw rod
Suction, the conveying of high viscosity liquid can be applied to, adding thrust shaft coupling makes which raises operating efficiency, and operation is steady
It is fixed, its sturdy construction, securely and reliably, service life length.
In order to solve the above technical problems, one aspect of the present invention is：A kind of efficient three screw pump is provided,
Including the pump housing, bushing, driving screw rod, the first driven screw, the second driven screw, upper lid, safety valve and thrust shaft coupling, institute
The upper lid stated is arranged on the front end of the pump housing, and described driving screw rod is horizontally installed on the centre position of pump body and protruded from
The front end of lid, the first described driven screw and the second driven screw are separately positioned on pump body and are equipped with active spiral shell
The upper and lower ends of bar, described bushing is arranged in the pump housing and is in contact with the first driven screw and the second driven screw, described
Safety valve be arranged on the upper end of the pump housing, described thrust shaft coupling be arranged on lid and respectively with driving screw rod and safety valve
It is connected.
In a preferred embodiment of the present invention, described driving screw rod is made up of two parts, including preceding driving screw rod and
Driving screw rod afterwards, described preceding driving screw rod are arranged on the front end of rear driving screw rod.
In a preferred embodiment of the present invention, it is provided with helical groove in described rear driving screw rod, described first
The spiral raised line being engaged with helical groove is provided with driven screw and the second driven screw.
In a preferred embodiment of the present invention, the width of described helical groove is 5-35mm.
In a preferred embodiment of the present invention, described efficient three screw pump also includes closure, described closure
It is sleeved on the front end of driving screw rod and is fixedly connected with upper lid.
In a preferred embodiment of the present invention, described efficient three screw pump also includes support, and described support is set
In the bottom of the pump housing.
The beneficial effects of the invention are as follows：The efficient three screw pump of the present invention, the suction of liquid is carried out using the revolution of screw rod,
The conveying of high viscosity liquid can be applied to, adding thrust shaft coupling makes which raises operating efficiency, stable, its structure
It is solid, securely and reliably, service life length.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is the structural representation of an efficiently preferred embodiment of three screw pump of the invention；
Reference is as follows：1st, the pump housing, 2, upper lid, 3, driving screw rod, the 4, first driven screw, the 5, second driven screw, 6, lining
Set, 7, safety valve, 8, thrust shaft coupling, 9, closure, 10, support, 31, preceding driving screw rod, 32, rear driving screw rod, 33, spiral
Groove, 34, spiral raised line.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
As shown in figure 1, the embodiment of the present invention includes：
A kind of efficient three screw pump, including the pump housing 1, upper lid 2, driving screw rod 3, the first driven screw 4, the second driven screw 5, lining
Set 6, safety valve 7 and thrust shaft coupling 8, described upper lid 6 are arranged on the front end of the pump housing 1, and described driving screw rod 3 is laterally set
Put the centre position inside the pump housing 1 and protrude from the front end of lid 2, described the first driven screw 4 and the second driven screw 5
It is separately positioned on the inside of the pump housing 1 and is equipped with the upper and lower ends in driving screw rod 3, described bushing 6 is arranged in the pump housing 1 simultaneously
It is in contact with the first driven screw 4 and the second driven screw 5, described safety valve 7 is arranged on the upper end of the pump housing 1, and described pushes away
Power shaft coupling 8, which is arranged on lid 2 and respectively with driving screw rod 3 and safety valve 7, to be connected.
In above-mentioned, described driving screw rod 3 is made up of two parts, including preceding driving screw rod 31 and rear driving screw rod 32, institute
The preceding driving screw rod 31 stated is arranged on the front end of rear driving screw rod 32.
Further, helical groove 33, the first described driven screw 4 and are provided with described rear driving screw rod 32
The spiral raised line 34 being engaged with helical groove 33 is provided with two driven screws 5.Wherein, the width of described helical groove 33
For 5-35mm.
In the present embodiment, described efficient three screw pump also includes closure 9 and support 10, and described closure 9 is set with
It is fixedly connected in the front end of driving screw rod 3 and with upper lid 2, sealing effect is good, makes its stable；Described support 10 is set
In the bottom of the pump housing 1, for supporting the pump housing 1 so that whole equipment is stable.
In summary, efficient three screw pump of the invention, the suction of liquid is carried out using the revolution of screw rod, can be applied to
The conveying of high viscosity liquid, adding thrust shaft coupling makes which raises operating efficiency, stable, its sturdy construction, safety
Reliably, service life is grown.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (6)
- A kind of 1. efficient three screw pump, it is characterised in that including the pump housing, bushing, driving screw rod, the first driven screw, second from Dynamic screw rod, upper lid, safety valve and thrust shaft coupling, described upper lid are arranged on the front end of the pump housing, and described driving screw rod is horizontal To the centre position for being arranged on pump body and protrude from the front end of upper lid, described the first driven screw and the second driven screw It is separately positioned on pump body and is equipped with the upper and lower ends in driving screw rod, described bushing is arranged in the pump housing and with the One driven screw and the second driven screw are in contact, and described safety valve is arranged on the upper end of the pump housing, described thrust shaft coupling It is arranged on lid and respectively with driving screw rod and safety valve and is connected.
- 2. efficient three screw pump according to claim 1, it is characterised in that described driving screw rod is made up of two parts, Including preceding driving screw rod and rear driving screw rod, described preceding driving screw rod is arranged on the front end of rear driving screw rod.
- 3. efficient three screw pump according to claim 2, it is characterised in that be provided with spiral in described rear driving screw rod Groove, the spiral raised line being engaged with helical groove is provided with described the first driven screw and the second driven screw.
- 4. efficient three screw pump according to claim 3, it is characterised in that the width of described helical groove is 5- 35mm。
- 5. efficient three screw pump according to claim 1, it is characterised in that described efficient three screw pump also includes sealing Lid, described closure are sleeved on the front end of driving screw rod and are fixedly connected with upper lid.
- 6. efficient three screw pump according to claim 1, it is characterised in that described efficient three screw pump also includes branch Frame, described support are arranged on the bottom of the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829669.5A CN107524594A (en) | 2017-09-15 | 2017-09-15 | A kind of efficient three screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829669.5A CN107524594A (en) | 2017-09-15 | 2017-09-15 | A kind of efficient three screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107524594A true CN107524594A (en) | 2017-12-29 |
Family
ID=60736869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710829669.5A Pending CN107524594A (en) | 2017-09-15 | 2017-09-15 | A kind of efficient three screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524594A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3815158A1 (en) * | 1988-05-04 | 1989-11-16 | Allweiler Ag | Method for reducing the pressure pulsation of a positive-displacement pump, in particular a screw pump, and a screw pump designed according to this method |
| CN201071804Y (en) * | 2007-07-19 | 2008-06-11 | 南京理工大学校办产业总公司机电厂 | Low pressure balancing type three screw rod pump |
| CN202001295U (en) * | 2011-02-25 | 2011-10-05 | 黄山工业泵制造有限公司 | Shield-type three-screw pump |
| CN202284538U (en) * | 2011-09-15 | 2012-06-27 | 天津泵业机械集团有限公司 | Single-suction three-screw pump |
| CN206111546U (en) * | 2016-09-14 | 2017-04-19 | 大晃机械（青岛）有限公司 | Marine horizontal triaxial screw rod oil pump |
-
2017
- 2017-09-15 CN CN201710829669.5A patent/CN107524594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3815158A1 (en) * | 1988-05-04 | 1989-11-16 | Allweiler Ag | Method for reducing the pressure pulsation of a positive-displacement pump, in particular a screw pump, and a screw pump designed according to this method |
| CN201071804Y (en) * | 2007-07-19 | 2008-06-11 | 南京理工大学校办产业总公司机电厂 | Low pressure balancing type three screw rod pump |
| CN202001295U (en) * | 2011-02-25 | 2011-10-05 | 黄山工业泵制造有限公司 | Shield-type three-screw pump |
| CN202284538U (en) * | 2011-09-15 | 2012-06-27 | 天津泵业机械集团有限公司 | Single-suction three-screw pump |
| CN206111546U (en) * | 2016-09-14 | 2017-04-19 | 大晃机械（青岛）有限公司 | Marine horizontal triaxial screw rod oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |