CN105626512B - A kind of big flow screw pump - Google Patents
A kind of big flow screw pump Download PDFInfo
- Publication number
- CN105626512B CN105626512B CN201610095557.7A CN201610095557A CN105626512B CN 105626512 B CN105626512 B CN 105626512B CN 201610095557 A CN201610095557 A CN 201610095557A CN 105626512 B CN105626512 B CN 105626512B
- Authority
- CN
- China
- Prior art keywords
- pump
- mobile jib
- pressure regulation
- pump case
- 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.)
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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
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
- F04C2270/185—Controlled or regulated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of big flow screw pump, include pump case, pump protecgulum, bearing block, pump block, mobile jib, from bar, adjust needle, adjustment spring, adjusting bolt, bearing, mechanical seal and axle sleeve；It pumps protecgulum both ends and connects respectively with pump case, bearing block, and mobile jib sequentially passes through pump case, pump protecgulum and bearing block, mobile jib bottom and is connected to from bar；Its mobile jib shaft is socketed with bearing and axle sleeve successively, and mechanical seal is equipped between mobile jib and axle sleeve, and pump block is equipped between pump case and axle sleeve；It is inlaid with pressure regulation plug screw on its pump case shell, conical pressure regulation needle is terminated with before pressure regulation plug screw, pressure spring is overlapped between pressure regulation needle and pump case；Screw pump inlet and outlet pressure of the present invention is stablized, and has ensured the normal use of all parts and motor in pump well, good airproof performance, and whole service life is long.
Description
Technical field
The present invention relates to the technical field for transporting pump, specifically a kind of big flow screw pump.
Background technology screw pump is to be formed by engage spatial volume variation and movement to convey liquid with screw rod by the pump housing
Body is allowed to the drum pump being pressurized, and screw pump is divided into single-screw (single screw) pump, Quimby pump and three screw pump etc. by screw rod number.Its work
Principle be when motor drive pump shaft rotation when, screw rod on the one hand around itself axis rotate, on the other hand it again along bushing
Surface scrolls, then form the sealed chamber of pump, screw rod each rotation, and the liquid in seal chamber pushes ahead a screw pitch,
With the continuous rotation of screw rod, liquid spiral fashion presses to another seal chamber from a seal chamber, finally squeezes out the pump housing.Spiral shell
Bar pump has simple in structure, safe and reliable, easy maintenance, goes out liquid as a kind of machinery of novel conveying liquid
The advantages that continuous uniform, therefore be widely used in the market general.
In recent years, with the development of the times, all trades and professions were higher and higher to the traffic requirement of screw pump, therefore big flow
Screw pump be continuously developed application；However screw pump while continuously improving there is also certain drawbacks, such as it is existing
Big flow screw pump inlet and outlet pressure is extremely unstable, and the damage of all parts and motor in pump is be easy to cause when outlet pressure is excessive
Bad, in addition its overall tightness is poor, and service life is very short.
Invention content
Goal of the invention：In order to overcome the above deficiency, the object of the present invention is to provide a kind of big flow screw pump, the screw pumps
Inlet and outlet pressure is stablized, and has ensured the normal use of parts and motor in pump, good airproof performance, whole service life well
It is long.
Technical solution：In order to achieve the goal above, a kind of big flow screw pump of the present invention, includes pump case, pump
Protecgulum, bearing block, pump block, mobile jib, from bar, adjust needle, adjustment spring, pressure regulation plug screw, bearing, mechanical seal and axle sleeve；Institute
It states pump protecgulum both ends respectively to connect with pump case, bearing block, the mobile jib sequentially passes through pump case, pump protecgulum and bearing block, described
Mobile jib bottom is connected to from bar；The mobile jib shaft is socketed with bearing and axle sleeve successively, and machinery is equipped between the mobile jib and axle sleeve
Sealing, is ensured in work by mechanical seal and is significantly improved without oil leakage phenomenon, overall tightness；The pump case and axis
Pump block is equipped between set；It is inlaid with pressure regulation plug screw on the pump case shell, conical pressure regulator valve is terminated with before the pressure regulation plug screw
Needle is overlapped with pressure spring between the pressure regulation needle and pump case, passes through pressure regulation plug screw, pressure regulation needle and pressure spring structure
At regulator, the medium open-top regulator automatically when outlet pressure is larger so that outlet plenum medium back flow to entrance cavity,
To balance inlet and outlet pressure, the normal use of all parts and motor in pump has been ensured well, has improved the entirety of pump
Service life.
A kind of above-mentioned big flow screw pump, the mobile jib, between bar and pump block there are a fixed gap, prevent well
Mutual abrasion is stopped.
A kind of above-mentioned big flow screw pump, the diameter of the mobile jib are slightly larger than the diameter from bar.
A kind of above-mentioned big flow screw pump is fixed to each other company between pump protecgulum and the bearing block by soket head cap screw
It connects.
A kind of above-mentioned big flow screw pump is fixed to each other company between the pump case and pump protecgulum by soket head cap screw
It connects, inner components interconnection is stable and firm, durable.
A kind of above-mentioned big flow screw pump, for the width size of the mechanical seal between 20-25cm, sealing effect is non-
Chang Xianzhu.
A kind of above-mentioned big flow screw pump, the mobile jib and from bar by stainless steel material be made, wearability is good, use
Long lifespan.
Advantageous effect：Compared with prior art, the present invention has the following advantages：
1, heretofore described a kind of big flow screw pump, passes through pressure regulation plug screw, pressure regulation needle and pressure spring
The regulator of composition, the medium open-top regulator automatically when outlet pressure is larger so that outlet plenum medium back flow to entrance
Chamber has ensured the normal use of all parts and motor in pump, has improved the whole of pump well to balance inlet and outlet pressure
Body service life.
2, heretofore described a kind of big flow screw pump is ensured existing without oil leak in work by mechanical seal
As overall tightness is significantly improved.
3, heretofore described a kind of big flow screw pump, internal each parts interconnection is stable and firm, then
In addition its master and slave bar is made by stainless steel material, therefore pump overall wear resistance is good, and service life is long.
Description of the drawings
Fig. 1 is the overall structure diagram of screw pump in the present invention.
In figure：1 pump case, 2 pump protecgulums, 3 bearing blocks, 4 pump blocks, 5 mobile jibs, 6 are adjusted from bar, 7 pressure regulation needles, 8 pressure springs, 9
Press plug screw, 10 bearings, 11 mechanical seals, 12 axle sleeves.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
Embodiment 1
As shown in Figure 1, a kind of big flow screw pump of the present embodiment, includes pump case 1, pump protecgulum 2, bearing block 3, pump block
4, mobile jib 5, from bar 6, adjust needle 7, adjustment spring 8, pressure regulation plug screw 9, bearing 10, mechanical seal 11 and axle sleeve 12；Before it is pumped
2 both ends of lid connect with pump case 1, bearing block 3 respectively, and mobile jib 5 sequentially passes through pump case 1, pump protecgulum 2 and bearing block 3,5 bottom of mobile jib
Portion is connected to from bar 6；Its 5 shaft of mobile jib is socketed with bearing 10 and axle sleeve 12 successively, and pump block 4 is equipped between pump case 1 and axle sleeve 12；Its
It is equipped with mechanical seal 11 between mobile jib 5 and axle sleeve 12, is ensured in work without oil leakage phenomenon by mechanical seal 11；Its pump case
It is inlaid with pressure regulation plug screw 9 on 1 shell, conical pressure regulation needle 7 is terminated with before pressure regulation plug screw 9, between pressure regulation needle 7 and pump case 1
It is overlapped with pressure spring 8, the regulator being made up of pressure regulation plug screw 9, pressure regulation needle 7 and pressure spring 8, when outlet is pressed
Medium open-top regulator automatically when power is larger so that outlet plenum medium back flow to entrance cavity waits for balance inlet and outlet pressure
Its regulator automatically returns to original position after pressure balance, has ensured the normal use of all parts and motor in pump well, has carried
The high whole service life of pump.In addition its mobile jib 5, between bar 6 and pump block 4 there are a fixed gap, the diameter of mobile jib 5 omits
More than the diameter from bar 6, it is fixed to each other by soket head cap screw between pump protecgulum 2, bearing block 3 and pump case 1, pump protecgulum 2
Connection, the width size of mechanical seal 11 are 22cm, mobile jib 5 and are made from bar 6 by stainless steel material.
Embodiment 2
As shown in Figure 1, a kind of big flow screw pump of the present embodiment, includes pump case 1, pump protecgulum 2, bearing block 3, pump block
4, mobile jib 5, from bar 6, adjust needle 7, adjustment spring 8, pressure regulation plug screw 9, bearing 10, mechanical seal 11 and axle sleeve 12；Before it is pumped
2 both ends of lid connect with pump case 1, bearing block 3 respectively, and mobile jib 5 sequentially passes through pump case 1, pump protecgulum 2 and bearing block 3,5 bottom of mobile jib
Portion is connected to from bar 6；Its 5 shaft of mobile jib is socketed with bearing 10 and axle sleeve 12 successively, and pump block 4 is equipped between pump case 1 and axle sleeve 12；Its
It is equipped with mechanical seal 11 between mobile jib 5 and axle sleeve 12, is ensured in work without oil leakage phenomenon by mechanical seal 11；Its pump case
It is inlaid with pressure regulation plug screw 9 on 1 shell, conical pressure regulation needle 7 is terminated with before pressure regulation plug screw 9, between pressure regulation needle 7 and pump case 1
It is overlapped with pressure spring 8, the regulator being made up of pressure regulation plug screw 9, pressure regulation needle 7 and pressure spring 8, when outlet is pressed
Medium open-top regulator automatically when power is larger so that outlet plenum medium back flow to entrance cavity waits for balance inlet and outlet pressure
Its regulator automatically returns to original position after pressure balance, has ensured the normal use of parts and motor in pump well, improves
The whole service life of pump.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, without departing from the principle of the present invention, can also make several improvements, these improvement also should be regarded as the present invention's
Protection domain.
Claims (1)
1. a kind of big flow screw pump, it is characterised in that：Including：Pump case（1）, pump protecgulum（2）, bearing block（3）, pump block（4）, it is main
Bar（5）, from bar（6）, adjust needle（7）, adjustment spring（8）, pressure regulation plug screw（9）, bearing（10）, mechanical seal（11）And axle sleeve
（12）；
The pump protecgulum（2）Both ends are respectively and pump case（1）, bearing block（3）Connect, the mobile jib（5）Sequentially pass through pump case（1）、
Pump protecgulum（2）And bearing block（3）, the mobile jib（5）Bottom is connected to from bar（6）；The mobile jib（5）Shaft is socketed with axis successively
It holds（10）And axle sleeve（12）, the mobile jib（5）And axle sleeve（12）Between be equipped with mechanical seal（11）, the pump case（1）And axle sleeve
（12）Between be equipped with pump block（4）；The pump case（1）Pressure regulation plug screw is inlaid on shell（9）, the pressure regulation plug screw（9）Preceding termination
There is conical pressure regulation needle（7）, the pressure regulation needle（7）And pump case（1）Between be overlapped with pressure spring（8）；The mobile jib
（5）, from bar（6）With pump block（4）Between there are gaps；The mobile jib（5）Diameter be more than from bar（6）Diameter；The pump
Protecgulum（2）And bearing block（3）Between be mutually permanently connected by soket head cap screw；The pump case（1）With pump protecgulum（2）Between lead to
Soket head cap screw is crossed to be mutually permanently connected；The mechanical seal（11）Width size between 20-25cm；The mobile jib（5）
With from bar（6）It is made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095557.7A CN105626512B (en) | 2016-02-22 | 2016-02-22 | A kind of big flow screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095557.7A CN105626512B (en) | 2016-02-22 | 2016-02-22 | A kind of big flow screw pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626512A CN105626512A (en) | 2016-06-01 |
| CN105626512B true CN105626512B (en) | 2018-08-07 |
Family
ID=56041759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095557.7A Active CN105626512B (en) | 2016-02-22 | 2016-02-22 | A kind of big flow screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626512B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749884A (en) * | 2020-06-12 | 2020-10-09 | 李奎 | Mixed delivery pump with good stability |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735044Y (en) * | 2004-08-25 | 2005-10-19 | 袁道幸 | Assembling double-screw pump |
| CN102777381A (en) * | 2012-07-24 | 2012-11-14 | 合肥川源液压设备有限公司 | Safety valve component for gear oil pump |
| CN104847658A (en) * | 2015-05-06 | 2015-08-19 | 辽宁恒星泵业有限公司 | Cam rotor pump |
| CN205370965U (en) * | 2016-02-22 | 2016-07-06 | 太仓液压元件有限公司 | Large -traffic screw pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5867987A (en) * | 1981-10-19 | 1983-04-22 | Hitachi Ltd | Clearance adjusting method between rotors of screw fluid machine |
-
2016
- 2016-02-22 CN CN201610095557.7A patent/CN105626512B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735044Y (en) * | 2004-08-25 | 2005-10-19 | 袁道幸 | Assembling double-screw pump |
| CN102777381A (en) * | 2012-07-24 | 2012-11-14 | 合肥川源液压设备有限公司 | Safety valve component for gear oil pump |
| CN104847658A (en) * | 2015-05-06 | 2015-08-19 | 辽宁恒星泵业有限公司 | Cam rotor pump |
| CN205370965U (en) * | 2016-02-22 | 2016-07-06 | 太仓液压元件有限公司 | Large -traffic screw pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626512A (en) | 2016-06-01 |
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