CN109296515A - A kind of double feed type delivery pumps - Google Patents
A kind of double feed type delivery pumps Download PDFInfo
- Publication number
- CN109296515A CN109296515A CN201811022505.2A CN201811022505A CN109296515A CN 109296515 A CN109296515 A CN 109296515A CN 201811022505 A CN201811022505 A CN 201811022505A CN 109296515 A CN109296515 A CN 109296515A
- Authority
- CN
- China
- Prior art keywords
- piston
- double feed
- pump housing
- feed type
- type delivery
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/04—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of double feed type delivery pumps, including the pump housing, rotation is provided with worm screw, two eccentric shafts with the both ends of the turbine of worm-drive cooperation and the turbine wheel shaft for being connected to turbine in the pump housing, and one end of the worm screw and the shaft of motor connect；There are two pumping cylinders for the outside setting of the pump housing, piston bush is provided in each pumping cylinder, piston is provided in the piston bush, one end of the piston is connected with piston rod, the one end of the piston rod protrudes into the pump housing, and spring retainer is provided on the end, the spring retainer is periodically driven cooperation with corresponding eccentric shaft.Double feed type delivery pumps of the invention, can carry out extra quality conveying simultaneously.
Description
Technical field
The invention belongs to industrial chemicals conveying equipment technical fields, more particularly to a kind of double feed type delivery pumps.
Background technique
N2H4 (hydrazine), also known as hydrazine, diammonium are a kind of colourless smoke, the colorless oil with corrosivity and strong reducing property
Shape liquid, have severe toxicity and it is extremely unstable, have the sharp aroma similar to ammonia.It is mainly used as the fuel portion of Rockets and Jets
Point, the raw material of pharmacy can also be done, such as synthesizing amino urea, isoniazid, nitrofurazone, Dipasic, used in preparing salt (such as sulfate)
And in organic derivative.NH3 (ammonia) is a kind of colourless gas, there is strong impulse smell, is highly soluble in hydrogenation nitrogen, easy liquid
Change, liquefied ammonia can make refrigerant, be mainly used for nitrogenous fertilizer processed (urea, ammonium bicarbonate etc.), HNO3, ammonium salt, soda ash, and it is fine to be also used to make synthesis
Dimension, plastics, dyestuff etc..
Currently without the feed pump dedicated for the hydrogenation nitrogen such as conveying N2H4, NH3, therefore conventional pump is improved,
Developing it towards hydrogenation nitrogen is to be conducive to current industrial production, there is great meaning to industrial production.
Summary of the invention
The object of the present invention is to provide a kind of double feed type delivery pumps, dedicated for a variety of N2H4, NH3 etc. hydrogenate nitrogen into
It goes while conveying.
In order to achieve the above object, the technical scheme adopted by the invention is that, a kind of double feed type delivery pumps, including pump
Body, the interior rotation of the pump housing are provided with worm screw, the both ends with the turbine of worm-drive cooperation and the turbine wheel shaft for being connected to turbine
Two eccentric shafts, the shaft of one end of the worm screw and motor connects；There are two pumping cylinders for the outside setting of the pump housing, each described
It is provided with piston bush in pumping cylinder, piston is provided in the piston bush, one end of the piston is connected with piston rod, the work
The one end of stopper rod protrudes into the pump housing, and spring retainer is provided on the end, the spring retainer with it is corresponding
Eccentric shaft is periodically driven cooperation, and a piston bushing, the piston bushing are provided between the pump housing and each piston rod
Outer be provided with step, a compressed spring, piston rod are separately installed between the step and corresponding spring retainer
The other end be each equipped with a piston, the outside of the piston is set with a piston bush, between each pumping cylinder and the pump housing
It is provided with sleeve body, the top of pumping cylinder is provided with suction inlet, and the lower part of pumping cylinder is provided with outlet, the suction inlet and discharge
Multiple Ball Retainers are provided in mouthful, a sealed steel ball is provided in each Ball Retainer.
Technical solution of the present invention also has the following characteristics that
It is two that Ball Retainer is provided in the suction inlet and the outlet.
The piston is fixed on the other end of two piston rods by piston connector.
The worm screw and turbine pass through a pair of bearings and are rotatably arranged in the pump housing.
Further include two travel adjustments, an adjusting nut, Mei Gesuo are provided with outside each travel adjustment
Adjusting nut Screw assembly is stated in the pump housing.
The worm screw is connect by shaft coupling with the shaft of the motor, and the shaft coupling is located in the box body.
The suction inlet is equipped with lower linking tube, and the outlet is equipped with upper connecting tube.
The side of turbine wheel shaft is arranged in one eccentric shaft, and the other side of turbine wheel shaft is arranged in another eccentric shaft.
The beneficial effects of the present invention are: double feed type delivery pumps that (1) is of the invention, it is simple to have its overall structure, uses peace
It is complete reliable, it installs more convenient；(2) double feed type delivery pumps of the invention, range is high, and flow is big, compact-sized, can protect always
Hold higher efficiency；(3) double feed type delivery pumps of the invention, are blocked, it is not easy to block using sealed steel ball；(4) originally
Double feed type delivery pumps of invention, can carry out extra quality conveying simultaneously.
Detailed description of the invention
Fig. 1 is a kind of main view of double feed type delivery pumps of the invention；
Fig. 2 is the axonometric drawing of Fig. 1.
In figure, 1. pump housings, 2. cabinets, 3. shafts, 4. shaft couplings, 5. worm screws, 6. bearings, 7. turbines, 8. piston bushinges, 9.
Piston connector, 10. pistons, 11. lower linking tubes, 12. pumping cylinders, 13. Ball Retainers, 14. upper connecting tubes, 15. sealed steel balls, 16. is living
Plug sleeve, 17. sleeve bodies, 18. piston rods, 19. compressed springs, 20. spring retainers, 21. eccentric shafts, 22. travel adjustments,
23. adjusting nut.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
As shown in Figure 1, a kind of double feed type delivery pumps of the invention, including the pump housing 1, the interior rotation of the pump housing 1 are provided with worm screw
5, the turbine 7 of cooperation is driven with worm screw 5 and be connected to two eccentric shafts 21 at the both ends of the turbine wheel shaft of turbine 7, the one of worm screw 5
End is connect with the shaft 3 of motor；The outside setting of the pump housing 1 is provided with piston bush 16 in each pumping cylinder 12 there are two pumping cylinder 12,
Piston 10 is provided in piston bush 16, one end of piston 10 is connected with piston rod 18, and the one end of piston rod 18 protrudes into the pump housing 1,
And spring retainer 20 is provided on the end, spring retainer 20 is periodically driven cooperation with corresponding eccentric shaft 21,
Be provided with a piston bushing 8 between the pump housing 1 and each piston rod 18, the outer of piston bushing 8 is provided with step, step with
A compressed spring 19 is separately installed between corresponding spring retainer 20, the other end of piston rod 18 is each equipped with a work
Plug 10, the outside of piston 10 is set with a piston bush 16, is provided with sleeve body 17 between each pumping cylinder 12 and the pump housing 1,
The top of pumping cylinder 12 is provided with suction inlet, and the lower part of pumping cylinder 12 is provided with outlet, is provided in suction inlet and outlet more
A Ball Retainer 13 is provided with a sealed steel ball 15 in each Ball Retainer 13.
When work, start motor, the shaft 3 of motor drives worm screw 5 to rotate at this time, and the turbine 7 engaged with worm screw 5 occurs
Rotation, since two eccentric shafts 21 are connected to the both ends of the turbine wheel shaft of turbine 7, so when turbine wheel shaft rotation, it is each inclined
Mandrel 21 can periodically push corresponding piston rod 18, and at this time under the cooperation of compressed spring 20, piston rod 18 will drive pair
The piston 10 answered does linear reciprocating motion.When piston rod 18 moves from left to right, the volume of operating room is gradually increased, and is formed low
Pressure is opened now close to the Ball Retainer 13 of suction inlet, and the Ball Retainer 13 close to outlet is closed, and nitrogen oxides is from suction inlet
Sucking；When piston rod 18 moves from right to left, the volume of operating room is gradually reduced, so that pressure increases, now close to sucking
The Ball Retainer 13 of mouth is closed, and the Ball Retainer 13 close to outlet is opened, and hydrogenation nitrogen stopping is sucked from suction inlet, is changed to from row
Outlet discharge.
As shown in Figure 1, the quantity of Ball Retainer 13 is four, two of them Ball Retainer 13 is presented close to suction inlet
Lower distribution is in that can play the role of the folding of the double-deck switch control suction inlet, other two Ball Retainer 13 close to outlet,
In upper and lower distribution, to achieve the purpose that the double-deck switch control discharge.
As shown in Figure 1, piston 10 is fixed on the other end of two piston rods 18 by piston connector 17, pass through double-piston
On the one hand the driving of bar 18 increases driving force, another party can make stress reach balance, it is ensured that it can smoothly work.
As shown in Figure 1, worm screw 5 and turbine 7 are rotatablely installed mode, can be rotatably arranged in the pump housing 1 by a pair of bearings 6,
That is the outer ring of bearing 6 is fixed between the inner wall of the pump housing 1, and worm screw 5 and turbine 7 are then fixed on the inner ring of bearing 6.
As shown in Fig. 2, further including two travel adjustments 22, an adjusting spiral shell is provided with outside each travel adjustment 22
Mother 23, each 23 Screw assembly of adjusting nut is in the pump housing 1.
The end of travel adjustment 22 withstands on the side of spring retainer 20, and principle is maximum by limitation piston rod 18
Position is moved to right to change the movement travel of piston 10, can specifically be realized by controlling to adjust the screw-in amount of nut 23.
As shown in Figure 1, worm screw 5 is connect by shaft coupling 4 with the shaft 3 of motor, shaft coupling 4 is located in cabinet 2, it can be ensured that
Shaft 3 can be safe and efficient, stable drive worm screw 5 rotated.
As shown in Figure 1, suction inlet is equipped with lower linking tube 11, lower linking tube 11 is connected to hydrogenated nitrogen source, and outlet is equipped with
Adapter tube 14, upper connecting tube 14 are communicated with transfer position, and Ball Retainer 13 is located between lower linking tube 11 and suction inlet, upper connecting tube 14
Between outlet.
As shown in Figure 1, the side of turbine wheel shaft is arranged in an eccentric shaft 21, turbine wheel shaft is arranged in another eccentric shaft 21
The other side, it can be ensured that compact overall structure, the stress balance of turbine wheel shaft, when work are relatively stable.
Double feed type delivery pumps drive work by two-piston 10, and when work, a piston 10 is moved to right, and another piston moves to left,
7 per revolution of turbine, two-piston 10 is each, and once imbibition, drain, flow are more uniform.
Therefore, double feed type delivery pumps of the invention, it is simple to have its overall structure, safe and reliable, installs more square
Just；Double feed type delivery pumps of the invention, range is high, and flow is big, compact-sized, can remain higher efficiency；The present invention
Double feed type delivery pumps, blocked using sealed steel ball, it is not easy to block；Double feed type delivery pumps of the invention, can be same
The extra quality conveying of Shi Jinhang.
Claims (8)
1. a kind of double feed type delivery pumps, which is characterized in that including the pump housing (1), rotation is provided with worm screw in the pump housing (1)
(5), the turbine (7) of cooperation is driven with worm screw (5) and be connected to two eccentric shafts at the both ends of the turbine wheel shaft of turbine (7)
(21), the shaft (3) of one end of the worm screw (5) and motor connects；There are two pumping cylinder (12) for the outside setting of the pump housing (1), often
It is provided with piston bush (16) in a pumping cylinder (12), is provided with piston (10), the piston in the piston bush (16)
(10) one end is connected with piston rod (18), and the one end of the piston rod (18) protrudes into the pump housing (1), and on the end
It is provided with spring retainer (20), the spring retainer (20) is periodically driven cooperation with corresponding eccentric shaft (21), pump
A piston bushing (8) is provided between body (1) and each piston rod (18), the outer of the piston bushing (8) is provided with
Step is separately installed with a compressed spring (19), piston rod (18) between the step and corresponding spring retainer (20)
The other end be each equipped with a piston (10), the outside of the piston (10) is set with a piston bush (16), each pump
It is provided between cylinder (12) and the pump housing (1) sleeve body (17), the top of pumping cylinder (12) is provided with suction inlet, under pumping cylinder (12)
Portion is provided with outlet, is provided in the suction inlet and outlet multiple Ball Retainers (13), each Ball Retainer
(13) sealed steel ball (15) is provided in.
2. double feed type delivery pumps according to claim 1, which is characterized in that set in the suction inlet and the outlet
Being equipped with Ball Retainer (13) is two.
3. double feed type delivery pumps according to claim 1, which is characterized in that the piston (10) passes through piston connector
(17) it is fixed on the other end of corresponding piston rod (18).
4. double feed type delivery pumps according to claim 1, which is characterized in that the worm screw (5) and turbine (7) pass through
A pair of bearings (6) is rotatably arranged in the pump housing (1).
5. double feed type delivery pumps according to claim 1, which is characterized in that it further include two travel adjustments (22),
An adjusting nut (23), each adjusting nut (23) Screw assembly are provided with outside each travel adjustment (22)
In the pump housing (1).
6. double feed type delivery pumps according to claim 1, which is characterized in that the worm screw (5) by shaft coupling (4) with
The shaft (3) of the motor connects, and the shaft coupling (4) is located in cabinet (2).
7. double feed type delivery pumps according to claim 1, which is characterized in that the suction inlet is equipped with lower linking tube
(11), the outlet is equipped with upper connecting tube (14).
8. double feed type delivery pumps according to claim 1, which is characterized in that an eccentric shaft (21) is arranged in turbine wheel shaft
Side, the other side of turbine wheel shaft is arranged in another eccentric shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022505.2A CN109296515B (en) | 2018-09-03 | 2018-09-03 | Double-feeding type conveying pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022505.2A CN109296515B (en) | 2018-09-03 | 2018-09-03 | Double-feeding type conveying pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296515A true CN109296515A (en) | 2019-02-01 |
| CN109296515B CN109296515B (en) | 2020-12-08 |
Family
ID=65166160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811022505.2A Active CN109296515B (en) | 2018-09-03 | 2018-09-03 | Double-feeding type conveying pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296515B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007056A (en) * | 2021-03-15 | 2021-06-22 | 合肥工业大学 | Variable plunger pump transmission end stroke adjusting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775344Y (en) * | 2005-02-05 | 2006-04-26 | 罗献尧 | Quantity regulating mechanism for metering pump |
| CN101532481A (en) * | 2009-01-22 | 2009-09-16 | 罗献尧 | Mechanical type digital display metering pump |
| KR101030794B1 (en) * | 2010-07-27 | 2011-04-27 | 천세산업 주식회사 | Pulseless metering pump using dual constant velocity cam |
| CN202659465U (en) * | 2012-06-02 | 2013-01-09 | 范学齐 | Flow-adjustable hydraulic diaphragm metering pump |
| CN106286190A (en) * | 2016-10-18 | 2017-01-04 | 常州江南龙城泵业科技有限公司 | hydraulic diaphragm metering pump |
-
2018
- 2018-09-03 CN CN201811022505.2A patent/CN109296515B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775344Y (en) * | 2005-02-05 | 2006-04-26 | 罗献尧 | Quantity regulating mechanism for metering pump |
| CN101532481A (en) * | 2009-01-22 | 2009-09-16 | 罗献尧 | Mechanical type digital display metering pump |
| KR101030794B1 (en) * | 2010-07-27 | 2011-04-27 | 천세산업 주식회사 | Pulseless metering pump using dual constant velocity cam |
| CN202659465U (en) * | 2012-06-02 | 2013-01-09 | 范学齐 | Flow-adjustable hydraulic diaphragm metering pump |
| CN106286190A (en) * | 2016-10-18 | 2017-01-04 | 常州江南龙城泵业科技有限公司 | hydraulic diaphragm metering pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007056A (en) * | 2021-03-15 | 2021-06-22 | 合肥工业大学 | Variable plunger pump transmission end stroke adjusting device |
| CN113007056B (en) * | 2021-03-15 | 2022-08-05 | 合肥工业大学 | Variable plunger pump transmission end stroke adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109296515B (en) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1317558C (en) | Liquid delivery pump for liquid chromatograph | |
| US5094596A (en) | High pressure piston pump for fluent materials | |
| US20190032553A1 (en) | Infinitely Variable Compression Ratio Mechanism of a Reciprocating Double-acting Piston-Type Gas Compressor | |
| CN109296515A (en) | A kind of double feed type delivery pumps | |
| CN109098946A (en) | A kind of hydrogenation nitrogen feed pump | |
| CN213205908U (en) | Portable high-pressure inflator pump | |
| CN206929070U (en) | A kind of plunger pump cold end and plunger pump | |
| CN208204543U (en) | A kind of well head plug-in type oil and gas multiphase flow supercharging device | |
| CN201991721U (en) | Water pump | |
| CN207960862U (en) | A kind of Novel plunger pump | |
| CN202937428U (en) | Air pump | |
| CN220828312U (en) | Integrated circulation liquid seal compressor | |
| CN205533040U (en) | High accuracy bull fluid proportioning device suitable for quick production | |
| CN110131123A (en) | A kind of Pulseless metering pump | |
| CN106917733A (en) | A kind of power set | |
| EP1447569B1 (en) | Device for pressure generation | |
| CN108026903B (en) | High-pressure pump | |
| CN210949014U (en) | Corrosion-resistant high-pressure pump for injecting oil-soluble chemical agent | |
| CN217725490U (en) | Auxiliary agent dropwise add device is used in production of stable waterborne coating auxiliary agent of dropwise add velocity of flow | |
| CN110107485B (en) | Reversing valve type diaphragm pump system | |
| CN2295057Y (en) | Explosion-proof feeding pump | |
| CN214944924U (en) | Motor pump set lubricating device | |
| CN220815914U (en) | Multi-cylinder plunger pump | |
| CN211144735U (en) | Piston compressor for printing ink production reation kettle | |
| CN210290100U (en) | Variable pressure ratio compressor in comprehensive energy system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190201 Assignee: Pucheng Zhenggong Gas Co.,Ltd. Assignor: SHAANXI University OF SCIENCE & TECHNOLOGY Contract record no.: X2022980006423 Denomination of invention: A double feed transfer pump Granted publication date: 20201208 License type: Exclusive License Record date: 20220526 |