CN108087266A - A kind of gear pump - Google Patents
A kind of gear pump Download PDFInfo
- Publication number
- CN108087266A CN108087266A CN201810019631.6A CN201810019631A CN108087266A CN 108087266 A CN108087266 A CN 108087266A CN 201810019631 A CN201810019631 A CN 201810019631A CN 108087266 A CN108087266 A CN 108087266A
- Authority
- CN
- China
- Prior art keywords
- gear
- pump case
- passage
- pump
- safety valve
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 30
- 238000010168 coupling process Methods 0.000 claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F04C2/18—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 similar tooth forms
-
- 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
- F04C15/0003—Sealing arrangements in rotary-piston 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
-
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- 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
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/50—Bearings
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
A kind of gear pump, including bracket, pump case, safety valve, driving gear, driven gear, sliding bearing, oil sealing and shaft coupling, it is simple in structure, design is reasonable, using separable assembled, horizontal pump housing structure design, it is connected between motor by bracket and shaft coupling associated mode, mounting means freedom and flexibility make full use of space；Circular arc type gear drive is continuously contacted with using a bit, the liquid caused by completely eliminating previous common involute-type gear is closed into phenomenon；Can more connections form fuel feeding unit, solve that ship or land cargo tank delivery pump occupied space are big, on-site installation and maintenance are difficult, vibrations and the problems such as high noise.
Description
Technical field
The present invention relates to belong to the liquid such as ship or land lubricating oil, fuel oil transportation art more particularly to one kind newly
Type gear pump.
Background technology
At present, gear pump manufacture cost is higher, complicated, for oil such as gasoline feed, kerosene, diesel oil, lubricating oil
Product, medium temperature are a kind of excellent peculiar to vessel and land cargo pumps at -20 DEG C~+80 DEG C.But be mostly in the market it is common gradually
Linear gears are opened, in operating liquid are easily caused to close into phenomenon, there are the property such as noise big, easy leakage, pumped (conveying) medium viscosity requirement height
Energy shortcoming, and pump the faults of construction such as complicated body construction, of high cost, motor and pump are installed by platen, occupied space is big.
With the development of ship and land pump industry, client is on the premise of performance requirement is met, to pumping in structure, price
Requirements at the higher level are proposed with installation:1. requirement pump is adapted to low viscosity, small flow, function admirable, operates steadily.It 2. will
The liquid pumped caused by thoroughly avoiding common involute-type gear is asked to close into phenomenon.3. require pump configuration it is simple, it is cheap, peace
Fill freedom and flexibility.
The content of the invention
To solve above-mentioned problem of the prior art, the present invention provides a kind of gear pump, simple in structure, and design is reasonable,
It using separable assembled, horizontal pump housing structure design, is connected between motor by bracket and shaft coupling associated mode, mounting means is certainly
By flexible, space is made full use of；Circular arc type gear drive is continuously contacted with using a bit, completely eliminates previous common involute
Liquid caused by type gear is closed into phenomenon；Can more connections form fuel feeding unit, solve ship or land cargo tank delivery pump
Occupied space is big, on-site installation and maintenance are difficult, vibrations and the problems such as high noise.
In order to reach object above, the present invention takes following technical scheme：A kind of gear pump, including bracket, pump case,
Safety valve, driving gear, driven gear, sliding bearing, oil sealing and shaft coupling, the bracket are located at the left side of whole device, left
Side is connected with motor, and right side is connected with pump case by hex bolts；It is connected on the left of the pump case with bracket, right side leads to safety valve
Positioning pin is crossed to connect with hex bolts；The driving gear and driven gear intermeshing are mounted on pump in upper-lower position arrangement
In shell；The sliding bearing is divided into two pairs up and down, and two of left side are mounted in pump case, and two of right side are mounted on safety valve
Interior, the gear shaft of the driving gear and driven gear left and right ends is separately mounted on two pairs of balladeur trains；The driving tooth
The gear shaft in wheel left side is connected through the left side wall of sliding bearing and pump case with the shaft coupling in bracket, gear shaft and pump case
The junction of left side wall sets an oil sealing；It sets and sucks with driving gear and the corresponding front side of driven gear on the pump case
Mouthful, rear side sets discharge opening.
Furtherly, lower end connecting support seat on the left of the bracket, support base is L-shaped, and gear pump is made preferably to fix.
Furtherly, baffle ring is equipped between the oil sealing and pump case left side wall.
Furtherly, the driving gear and driven gear continuously contact with circular arc type gear using a bit.
Furtherly, the shaft coupling uses flexible coupling, including gear coupling and motor coupler, two shaft couplings
Between be equipped with elastomer block, the gear shaft of the driving gear is connected by key with gear coupling, the motor coupler with it is electric
Arbor is connected.
Furtherly, O-ring is equipped between the pump case and safety valve, is further ensured that the leakproofness of the pump housing.
Furtherly, the safety valve includes safe valve casing, safe valve deck, safety valve body, safety valve spring, spring pressure
Lid, adjustment bolt and locking nut, the safe valve casing left side are connected with pump case by positioning pin and hex bolts, and front side is set
One ring flange is connected with safe valve deck by hex bolts；A tapped through hole, the adjustment spiral shell are opened up among the safe valve deck
Bolt is mounted in tapped through hole, is locked with locking nut；One suction passage in the safe valve casing is set respectively and is spat
Go out passage, suction passage is connected with the discharge opening of pump case, and discharge passage is connected with the suction inlet of pump case, and suction passage is logical with spuing
It is connected between road by pipeline, the ring flange inner passage is connected with discharge pipeline；The safety valve body is barrel-shaped in class, bottom
It keeps off on the pipeline between suction passage and discharge passage, inside installation safety valve spring, the front end sleeve of safety valve spring is in bullet
In the bottom protrusion of spring gland；The adjustment bolt withstands on the top of spring capping.
Furtherly, the spring capping outer circumference is equipped with groove, and mounting O-shaped rings are sealed in groove.
Furtherly, between suction passage passage is set to install inside silk plug, with ring flange on the right side of the safe valve casing
Set passage that silk plug is installed between passage, two passages communicate, convenient for later piping.
Furtherly, set passage that silk plug, bottom are installed with suction inlet and the corresponding position of discharge opening at the top of the pump case
Portion sets passage to install silk plug with sliding bearing junction, convenient for later piping.
Compared with prior art, the beneficial effects of the invention are as follows：
1) conveying liquid viscosity can be down to 2mm2/ s can almost cover oil type liquid conveyings all currently on the market；
Smart structural design, dismounting facility, the replacement of vulnerable part are time saving and energy saving when the repair and maintenance of pump；
2) circular arc type gear drive is continuously contacted with using a bit, completely eliminates previous common involute-type gear and made
Into liquid close into phenomenon, realize low noise, it is low vibrations, the performance characteristics of long-life；
3) forming a floor height pressure oil film between the flank of tooth during two gears engaged transmission avoids low-viscosity (mobile) liquid from easily occurring when conveying
" killing " and " sintering " phenomenon, while reduce operation noise and vibrations, improve the operational efficiency of pump, transport oil temperature is up to 80
℃；
4) sliding bearing built in by conveying the self-lubricated mode of liquid in pump, ensures that gear pump works long hours fortune
The stability turned；
5) mechanical seal using state-of-the-art technology and oil sealing solve the leakage problem between gear face and end cap；
6) using separable assembled, horizontal pump housing structure design, it is connected between motor by bracket and shaft coupling associated mode,
Mounting means freedom and flexibility, make full use of space, ensure that motor and below pump housing connection coaxiality 0.03mm, rotational speed exists
1800min-1, the bounce of shaft coupling side and end face is in below 0.05mm.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly or technical solution of the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of invention, to those skilled in the art, can also be according to this on the premise of creative work of not staying alone
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial top view at the A of the present invention；
Fig. 3 is the horizontal cross of the safety valve of the present invention；
Wherein, bracket 1, pump case 2, safety valve 3, driving gear 4, driven gear 5, sliding bearing 6, oil sealing 7, shaft coupling 8,
Hex bolts 9, positioning pin 10, gear shaft 11, suction inlet 12, discharge opening 13, support base 14, baffle ring 15, gear coupling 16, electricity
Machine shaft coupling 17, elastomer block 18, key 19, O-ring 20, safe valve casing 21, safe valve deck 22, safety valve body 23, safety valve spring
24th, spring capping 25, adjustment bolt 26, locking nut 27, suction passage 28, discharge passage 29, pipeline 30, ring flange inside are logical
Road 31, silk plug 32.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
Embodiment 1：
As shown in the figure：A kind of gear pump, including bracket 1, pump case 2, safety valve 3, driving gear 4, driven gear 5,
Sliding bearing 6, oil sealing 7 and shaft coupling 8, the bracket 1 are located at the left side of whole device, and left side is connected with motor, right side and pump
Shell 2 is connected by hex bolts 9；2 left side of pump case is connected with bracket 1, and right side passes through positioning pin 10 and hexagonal with safety valve 3
Bolt 9 connects；The driving gear 4 and driven gear 5 are intermeshed, and are mounted in upper-lower position arrangement in pump case 2；The cunning
Dynamic bearing 6 is divided to for upper and lower two pairs, and two of left side are mounted in pump case 2, and two of right side are mounted in safety valve 3, the master
The gear shaft 11 of 5 left and right ends of moving gear 4 and driven gear is separately mounted on two pairs of balladeur trains 6；The driving gear 4 is left
The left side wall of the gear shaft 11 of side through sliding bearing 6 and pump case 2 is connected with the shaft coupling 8 in bracket 1, gear shaft 11 and
The junction of 2 left side wall of pump case sets an oil sealing 7；On the pump case 2 with 5 corresponding front side of driving gear 4 and driven gear
Suction inlet 12 is set, and rear side sets discharge opening 13.
The 1 left side lower end connecting support seat 14 of bracket, support base is L-shaped, and gear pump is made preferably to fix.
Baffle ring 15 is equipped between 2 left side wall of the oil sealing 7 and pump case.
The driving gear 4 and driven gear 5 continuously contact with circular arc type gear using a bit.
The shaft coupling 8 uses flexible coupling, including gear coupling 16 and motor coupler 17, between two shaft couplings
Equipped with elastomer block 18, the gear shaft 11 of the driving gear 4 is connected by key 19 with gear coupling 16, the motor coupler
17 are connected with motor shaft.
O-ring 20 is equipped between the pump case 2 and safety valve 3, is further ensured that the leakproofness of the pump housing.
The safety valve 3 includes safe valve casing 21, safe valve deck 22, safety valve body 23, safety valve spring 24, spring capping
25th, adjustment bolt 26 and locking nut 27, safe 21 left side of valve casing are connected with pump case 2 by positioning 10 and hex bolts 9,
Front side sets a ring flange to be connected with safe valve deck 22 by hex bolts 9；A screw thread is opened up among the safe valve deck 22 to lead to
Hole, the adjustment bolt 26 are mounted in tapped through hole, are locked with locking nut 27；It is set respectively in the safe valve casing 21
A suction passage 28 and discharge passage 29 are put, suction passage 28 is connected with the discharge opening 13 of pump case 2, discharge passage 29 and pump case
2 suction inlet 12 is connected, and is connected between suction passage 28 and discharge passage 29 by pipeline 30, the ring flange inner passage 31
It is connected with discharge pipeline 29；The safety valve body 23 is barrel-shaped in class, and bottom is kept off between suction passage 28 and discharge passage 29
On pipeline 30, inside installation safety valve spring 24, the front end sleeve of safety valve spring 24 is in the bottom protrusion of spring capping 25；Institute
State the top that adjustment bolt 26 withstands on spring capping 25.
25 outer circumference of spring capping is equipped with groove 32, and mounting O-shaped rings 20 are sealed in groove 32.
Set passage that silk plug 32 is installed between 21 right side of safe valve casing and suction passage 28, with ring flange inner passage
Set passage that silk plug 32 is installed between 31, two passages communicate, convenient for later piping.
2 top of pump case sets passage to install silk plug 32, bottom with suction inlet 12 and 13 corresponding position of discharge opening
Set passage that silk plug 32 is installed with 6 junction of sliding bearing, convenient for later piping.
In use, motor by shaft coupling 8 drive driving gear 4 rotate, and then drive driven gear 5 rotate, liquid from
Suction inlet 12 enters, and is excluded from discharge opening 13；When pressure increases in pump, intake line 28 in the safety valve 3 that is connected with pump case 2
Pressure become larger, liquid-driving safety valve body 23 moves forward compressing secure valve spring 24, makes suction passage 28 and discharge passage
29 communicate, and further liquid are made to flow back, and reduce pressure in pump, ensure safety.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
1. a kind of gear pump, it is characterised in that：Including bracket, pump case, safety valve, driving gear, driven gear, sliding axle
It holds, oil sealing and shaft coupling,
The bracket is located at the left side of whole device, and left side is connected with motor, and right side is connected with pump case by hex bolts；
It is connected on the left of the pump case with bracket, right side is connected with safety valve by positioning pin and hex bolts；
The driving gear and driven gear intermeshing, are mounted in upper-lower position arrangement in pump case；
The sliding bearing is divided into two pairs up and down, and two of left side are mounted in pump case, and two of right side are mounted in safety valve,
The driving gear and the gear shaft of driven gear left and right ends are separately mounted on two pairs of balladeur trains；
Gear shaft on the left of the driving gear connects through the left side wall of sliding bearing and pump case and the shaft coupling in bracket
It connects, the junction of gear shaft and pump case left side wall sets an oil sealing；
Suction inlet is set with driving gear and driven gear corresponding front side on the pump case, rear side sets discharge opening.
2. a kind of gear pump according to claim 1, it is characterised in that：Connection support in lower end on the left of the bracket
Seat, support base is L-shaped, and gear pump is made preferably to fix.
3. a kind of gear pump according to claim 1, it is characterised in that：It is set between the oil sealing and pump case left side wall
There is baffle ring.
4. a kind of gear pump according to claim 1, it is characterised in that：The driving gear and driven gear use
Any continuously contacts with circular arc type gear.
5. a kind of gear pump according to claim 1, it is characterised in that：The shaft coupling uses flexible coupling,
Including gear coupling and motor coupler, elastomer block is equipped between two shaft couplings, the gear shaft of the driving gear passes through key
It is connected with gear coupling, the motor coupler is connected with motor shaft.
6. a kind of gear pump according to claim 1, it is characterised in that：O is equipped between the pump case and safety valve
Type circle is further ensured that the leakproofness of the pump housing.
7. a kind of gear pump according to claim 1, it is characterised in that：The safety valve includes safe valve casing, peace
Full valve lid, safety valve body, safety valve spring, spring capping, adjustment bolt and locking nut,
It is connected on the left of the safe valve casing with pump case by positioning pin and hex bolts, front side sets a ring flange and safe valve deck
It is connected by hex bolts；
Open up a tapped through hole among the safe valve deck, the adjustment bolt is mounted in tapped through hole, with locking nut into
Row locking；
One suction passage and discharge passage are set respectively in the safe valve casing, suction passage is connected with the discharge opening of pump case,
Discharge passage is connected with the suction inlet of pump case, is connected between suction passage and discharge passage by pipeline, inside the ring flange
Passage is connected with discharge pipeline；
The safety valve body is barrel-shaped in class, and bottom gear is on the pipeline between suction passage and discharge passage, inside installation safety
Valve spring, the front end sleeve of safety valve spring is in the bottom protrusion of spring capping；The adjustment bolt withstands on the top of spring capping
Portion.
8. a kind of gear pump according to claim 7, it is characterised in that：The spring capping outer circumference is equipped with
Groove, mounting O-shaped rings are sealed in groove.
9. a kind of gear pump according to claim 7, it is characterised in that：The safe valve casing right side and suction passage
Between passage is set to install between silk plug, with ring flange inner passage set passage that silk plug is installed, two passages communicate.
10. a kind of gear pump according to claim 1, it is characterised in that：With suction inlet and spitting at the top of the pump case
Exporting corresponding position sets passage to install silk plug, and bottom sets passage to install silk plug with sliding bearing junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019631.6A CN108087266A (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019631.6A CN108087266A (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087266A true CN108087266A (en) | 2018-05-29 |
Family
ID=62181853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019631.6A Pending CN108087266A (en) | 2018-01-09 | 2018-01-09 | A kind of gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340104A (en) * | 2018-09-30 | 2019-02-15 | 安徽优源液压科技有限公司 | A kind of engineering machinery hydraulic gear pump |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3018506U (en) * | 1995-01-24 | 1995-11-21 | 大晃機械工業株式会社 | Pump safety valve device |
| JPH10122162A (en) * | 1996-10-16 | 1998-05-12 | Taiko Kikai Kogyo Kk | Displacement type pump having pressure regulating valve |
| KR20090111703A (en) * | 2008-04-22 | 2009-10-27 | 김승수 | A gear 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 |
| CN104564661A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel large flow gear pump |
| CN204312318U (en) * | 2014-11-26 | 2015-05-06 | 杭州萧山东方液压件有限公司 | Feeding oil pump peculiar to vessel |
| CN205277800U (en) * | 2015-11-28 | 2016-06-01 | 重庆诚硕科技有限公司 | Take gear pump of relief valve |
| CN206112475U (en) * | 2016-09-20 | 2017-04-19 | 大晃机械（青岛）有限公司 | Boats and ships gear oil pump |
| CN206111547U (en) * | 2016-09-20 | 2017-04-19 | 大晃机械（青岛）有限公司 | Marine gear type for sleeping in takes turns oil pump |
| CN206636769U (en) * | 2017-04-13 | 2017-11-14 | 大晃机械（青岛）有限公司 | A kind of horizontal triaxial engagement screws oil pump peculiar to vessel |
| CN207728557U (en) * | 2018-01-09 | 2018-08-14 | 大晃机械（青岛）有限公司 | A kind of gear pump |
-
2018
- 2018-01-09 CN CN201810019631.6A patent/CN108087266A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3018506U (en) * | 1995-01-24 | 1995-11-21 | 大晃機械工業株式会社 | Pump safety valve device |
| JPH10122162A (en) * | 1996-10-16 | 1998-05-12 | Taiko Kikai Kogyo Kk | Displacement type pump having pressure regulating valve |
| KR20090111703A (en) * | 2008-04-22 | 2009-10-27 | 김승수 | A gear 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 |
| CN204312318U (en) * | 2014-11-26 | 2015-05-06 | 杭州萧山东方液压件有限公司 | Feeding oil pump peculiar to vessel |
| CN104564661A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel large flow gear pump |
| CN205277800U (en) * | 2015-11-28 | 2016-06-01 | 重庆诚硕科技有限公司 | Take gear pump of relief valve |
| CN206112475U (en) * | 2016-09-20 | 2017-04-19 | 大晃机械（青岛）有限公司 | Boats and ships gear oil pump |
| CN206111547U (en) * | 2016-09-20 | 2017-04-19 | 大晃机械（青岛）有限公司 | Marine gear type for sleeping in takes turns oil pump |
| CN206636769U (en) * | 2017-04-13 | 2017-11-14 | 大晃机械（青岛）有限公司 | A kind of horizontal triaxial engagement screws oil pump peculiar to vessel |
| CN207728557U (en) * | 2018-01-09 | 2018-08-14 | 大晃机械（青岛）有限公司 | A kind of gear pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340104A (en) * | 2018-09-30 | 2019-02-15 | 安徽优源液压科技有限公司 | A kind of engineering machinery hydraulic gear pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207728557U (en) | A kind of gear pump | |
| CN108087266A (en) | A kind of gear pump | |
| CN108317089A (en) | A kind of centrifugation chemical pump of high sealing performance | |
| CN101131158A (en) | Natural gas liquid charging-up pump and natural gas liquid charging-up station | |
| CN102536834A (en) | Single-stage double-suction and double-outlet deep well pump | |
| CN205078462U (en) | There is not sealed LNG immersed pump | |
| CN204025099U (en) | Vertical refrigerant transfer pump | |
| CN110425404A (en) | A kind of lubrication system of new-energy automobile power motor bearing | |
| CN114233684B (en) | High-speed high-pressure centrifugal pump | |
| CN206111547U (en) | Marine gear type for sleeping in takes turns oil pump | |
| CN212690331U (en) | External gear pump and electric lubricating oil pump | |
| CN210343685U (en) | Novel double gear pump | |
| CN207364244U (en) | A kind of power takeoff being lubricated using helicoidal pump, gearbox or Retarder | |
| CN214304333U (en) | Gear pump | |
| CN206112475U (en) | Boats and ships gear oil pump | |
| CN208669577U (en) | A kind of middle open type double-helix screw pump | |
| CN207634296U (en) | Vertical fluid detaches three screw pump | |
| CN201884286U (en) | Single-stage double-suction double-outlet deep-well pump | |
| CN201351602Y (en) | Spiral gear oil pump unit used for ship | |
| CN208348091U (en) | A kind of centrifugation chemical pump of high sealing performance | |
| CN105090058A (en) | Unpressurized LNG (Liquefied Natural Gas) immersed pump | |
| CN110939565A (en) | External gear pump and electric lubricating oil pump | |
| CN113623201B (en) | Rotor pump rotor with corrosion-resistant rubber lining | |
| CN217380917U (en) | Vertical long-shaft pump driving structure | |
| CN221879693U (en) | Combined sealing structure of dry vacuum pump |
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 |