CN106838592A - A kind of pair of column constant temperature grease pump - Google Patents
A kind of pair of column constant temperature grease pump Download PDFInfo
- Publication number
- CN106838592A CN106838592A CN201710037348.1A CN201710037348A CN106838592A CN 106838592 A CN106838592 A CN 106838592A CN 201710037348 A CN201710037348 A CN 201710037348A CN 106838592 A CN106838592 A CN 106838592A
- Authority
- CN
- China
- Prior art keywords
- plunger pump
- single cylinder
- cylinder body
- cylinder plunger
- circular platen
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
- F16N13/06—Actuation of lubricating-pumps
- F16N13/16—Actuation of lubricating-pumps with fluid drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/22—Lubricating-pumps with distributing equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of pair of column constant temperature grease pump, including the scalable column that base and two are vertically arranged, the upper end fixed mount of two liftable columns is provided with crossbeam, there are two connecting rods for setting vertically downward on crossbeam, the lower end of two connecting rods is connected with horizontally disposed circular platen, the lower end that the middle part of circular platen also has vertically arranged single cylinder plunger pump, single cylinder plunger pump passes through circular platen；The oil inlet of single cylinder plunger pump is located on bottom end face；Outer cylinder body is also arranged with outside single cylinder plunger pump, closed containing cavity is formed between outer cylinder body and the outer wall of single cylinder plunger pump, two connectors connected with closed containing cavity are additionally provided with outer cylinder body；Also include the hot water cyclesystem for providing constant-temperature hot water, the return pipe and outlet pipe of hot water cyclesystem are respectively connecting to two connectors.The present invention has fluid conveying easily, and quantitative accuracy is higher, and Operation and Maintenance is simple, relatively low to fluid granularity requirements, is conducive to the advantages of extending the service life of seal.
Description
Technical field
The present invention relates to industrial automation manufacturing machine technical field, more particularly to a kind of pair column constant temperature grease pump.
Background technology
Grease pump is state-of-the art high pressure lubricator, is with the oiling equipment of compressed air, by the effect of pump
Oil plant is produced high pressure, oiling is carried out using high pressure.The larger oil plants of viscosity such as various lithium saponify oil, butter can be filled, is applicable
In automobile, bearing, tractor and other various dynamic power machine filling butter operations.
Existing pair of column grease pump, because the viscosity of butter is larger so that fluid difficulty of transportation, holds when butter is filled
Be also easy to produce that fluid quantitative precision is low, attended operation is complicated, seal rapid wear, the defect such as high to fluid granularity requirements.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：It is defeated how a kind of fluid is provided
Send easily, quantitative accuracy is higher, Operation and Maintenance is simple, relatively low to fluid granularity requirements, be conducive to extending the use longevity of seal
Double column constant temperature grease pumps of life.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of pair of column constant temperature grease pump, including the scalable column that base and two are vertically arranged on the base, two
Liftable column described in root is symmetricly set on the two ends of the base, and the spacing of the two is straight more than the maximum for treating pressure injection oil drum
Footpath；The upper end fixed mount of two liftable columns is provided with crossbeam, has two companies for setting vertically downward on the crossbeam
Bar, is connected with horizontally disposed circular platen between two lower ends of the connecting rod, two connecting rods are relative to the circle
The axisymmetrical arrangement of platen；Be provided with sealing ring on the periphery of the circular platen, the maximum gauge of the sealing ring with treat
The internal diameter of pressure injection oil drum matches；The middle part of the circular platen also has vertically arranged single cylinder plunger pump, the single cylinder post
The lower end for filling in pump passes through the circular platen, and is formed between the circular platen and be tightly connected；The single cylinder plunger pump
Upper end is also connected with being provided with the linear reciprocation drive device of the piston up-down for driving single cylinder plunger pump；The single cylinder post
The oil inlet for filling in pump is located on bottom end face, and oil-out is located on the periphery of upper end；Characterized in that, the single cylinder plunger pump
Outer cylinder body is also arranged with outward, closed containing cavity, the outer cylinder body are formed between the outer cylinder body and the outer wall of the single cylinder plunger pump
On be additionally provided with two connectors connected with the closed containing cavity；Also include the hot water circuit system for providing constant-temperature hot water
System, the return pipe and outlet pipe of the hot water cyclesystem are respectively connecting to two connectors.
Using said structure, when using, will treat on the base plate that pressure injection oil drum is placed between two scalable columns, and be aligned
The circular platen of upper end, covers in opening, and liftable column drives crossbeam and connecting rod to decline, and makes in circular platen press-in oil drum,
Make the pressure of grease superatmospheric power in oil drum, start linear reciprocation drive device and drive the piston of single cylinder plunger pump to transport up and down
It is dynamic, grease in oil drum is pumped out into single cylinder plunger pump and from the oil-out of upper end by oil inlet；While hot water circuit system
Unite and provide the constant-temperature hot water that circulates to closed containing cavity, the constant-temperature hot water in closed containing cavity is entered to the grease in single cylinder plunger pump
Row heating, raises the temperature of grease, so as to reduce the viscosity of grease so that grease conveying is easy, reduces to fluid granularity
It is required that, fluid quantitative precision is improved, extend the service life of seal.
Further, the single cylinder plunger pump is including cylinder body and is equipped with the piston in cylinder body, the cylinder body
Bottom is provided with the first check valve of upward conducting；The middle part of the piston has the oil for connecting the upper and lower ends of the cylinder body
Hole, is provided with the second check valve of upward conducting on the oilhole.
So, when the piston in cylinder body is moved up, the cavity between piston and cylinder body lower end becomes big, and second is unidirectional
Valve is only turned on only up, and the air of cylinder body upper end cannot be introduced into lower end so that the air pressure of lower end reduces, and the grease pressure in oil drum
Power superatmospheric power, opens up the cavity that the first check valve is entered between piston and cylinder body lower end, when piston rod is downward
When mobile, the cavity between piston and cylinder body lower end diminishes, and the first check valve is only turned on only up, the grease of cylinder body lower end without
Method is downwardly into oil drum so that the increase of the pressure of grease of lower end, opens up the second check valve, into the upper end of cylinder body, most
Flowed out from the oil-out of cylinder body upper end eventually.
Further, the linear reciprocation drive device is cylinder, the piston rod end of the cylinder and the single cylinder plunger
Connected using ball pivot between the pistons end of pump.
So, by the way of ball pivot connection, can be to the piston rod of cylinder and the axiality of the piston of single cylinder plunger pump
Compensate, reduce the assembly precision requirement of the two.
Further, the liftable column is the vertical cylinder being fixedly installed.
Further, have two circles being in axial direction arranged side by side close on the periphery of the periphery of the circular platen
Seal groove, is provided with a sealing ring on each described seal groove.So, can prevent the grease in oil drum from being pressed from circle
Gap between disk and oil drum inwall goes out extrusion.
In sum, the present invention has fluid conveying easily, and quantitative accuracy is higher, and Operation and Maintenance is simple, to fluid granularity
It is required that it is relatively low, be conducive to the advantages of extending the service life of seal.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of single cylinder plunger pump and linear reciprocation drive device part in Fig. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
During specific implementation：As depicted in figs. 1 and 2, a kind of pair of column constant temperature grease pump, including base 1 and two are vertically
The scalable column 2 on the base 1 is arranged on, two liftable columns 2 are symmetricly set on the two ends of the base 1,
And the spacing of the two is more than the maximum gauge for treating pressure injection oil drum；The upper end fixed mount of two liftable columns 2 is provided with crossbeam
3, there are two connecting rods 4 for setting vertically downward on the crossbeam 3, it is connected with level between two lower ends of the connecting rod 4 and sets
The circular platen 5 put, two connecting rods 4 are arranged relative to the axisymmetrical of the circular platen 5；The circular platen 5
Sealing ring is provided with periphery, the maximum gauge of the sealing ring matches with the internal diameter for treating pressure injection oil drum；The circular platen 5
Middle part also there is vertically arranged single cylinder plunger pump 6, the lower end of the single cylinder plunger pump 6 passes through the circular platen 5, and with
Formed between the circular platen 5 and be tightly connected；The upper end of the single cylinder plunger pump 6 is also connected with being provided with for driving single cylinder post
Fill in the linear reciprocation drive device 7 of the piston up-down of pump 6；The oil inlet of the single cylinder plunger pump 6 is located on bottom end face,
Oil-out is located on the periphery of upper end；The single cylinder plunger pump 6 is outer to be also arranged with outer cylinder body 8, the outer cylinder body 8 and the list
Closed containing cavity is formed between the outer wall of cylinder plunger pump 6, two is additionally provided with the outer cylinder body 8 and is connected with the closed containing cavity
Connector；Also include the hot water cyclesystem for providing constant-temperature hot water, the return pipe of the hot water cyclesystem and water outlet
Pipe is respectively connecting to two connectors.
Using said structure, when using, will treat on the base plate that pressure injection oil drum is placed between two scalable columns, and be aligned
The circular platen of upper end, covers in opening, and liftable column drives crossbeam and connecting rod to decline, and makes in circular platen press-in oil drum,
Make the pressure of grease superatmospheric power in oil drum, start linear reciprocation drive device and drive the piston of single cylinder plunger pump to transport up and down
It is dynamic, grease in oil drum is pumped out into single cylinder plunger pump and from the oil-out of upper end by oil inlet；While hot water circuit system
Unite and provide the constant-temperature hot water that circulates to closed containing cavity, the constant-temperature hot water in closed containing cavity is entered to the grease in single cylinder plunger pump
Row heating, raises the temperature of grease, so as to reduce the viscosity of grease so that grease conveying is easy, reduces to fluid granularity
It is required that, fluid quantitative precision is improved, extend the service life of seal.
During implementation, the single cylinder plunger pump 6 includes cylinder body and is equipped with the piston in cylinder body, the bottom of the cylinder body
Portion is provided with the first check valve of upward conducting；The middle part of the piston has the oil for connecting the upper and lower ends of the cylinder body
Hole, is provided with the second check valve of upward conducting on the oilhole.
So, when the piston in cylinder body is moved up, the cavity between piston and cylinder body lower end becomes big, and second is unidirectional
Valve is only turned on only up, and the air of cylinder body upper end cannot be introduced into lower end so that the air pressure of lower end reduces, and the grease pressure in oil drum
Power superatmospheric power, opens up the cavity that the first check valve is entered between piston and cylinder body lower end, when piston rod is downward
When mobile, the cavity between piston and cylinder body lower end diminishes, and the first check valve is only turned on only up, the grease of cylinder body lower end without
Method is downwardly into oil drum so that the increase of the pressure of grease of lower end, opens up the second check valve, into the upper end of cylinder body, most
Flowed out from the oil-out of cylinder body upper end eventually.
When specific real-time, the lower end of the cylinder body can also set double ball valves of series connection, four ball valves even many ball valves, than
Such as, for 20 μm of solid particulate matter ＜ in high viscosity fluid, particulate matter hardness ＜ HRC40 °, 50~500Pa.s's of viscosity coefficient
Medium, can be using double ball valves.For occasionally having 20 μm of particulate matter, 500 μm of ＜, particulate matter hardness ＜ HRC40 °, viscosity system in medium
The medium of 50~500Pa.s of number, or when there is bubble, using four ball valves.For occasionally having particulate matter in medium more than 500 μm,
Grain thing hardness ＜ HRC40 °, during the medium of 50~500Pa.s of viscosity coefficient, using many ball valves.
During implementation, the linear reciprocation drive device 7 is cylinder, the piston rod end of the cylinder and the single cylinder plunger pump
Connected using ball pivot between 6 pistons end.
So, by the way of ball pivot connection, can be to the piston rod of cylinder and the axiality of the piston of single cylinder plunger pump
Compensate, reduce the assembly precision requirement of the two.
During specific implementation, linear reciprocation drive device can also use following combining form：General case is double using standard
The combination of active cylinder and electromagnetism directional control valve；According to explosion-proof demand using standard double-acting cylinder and gas control directional control valve
Combination；Using the cylinder that automatically moves back and forth of single air inlet under adverse circumstances；For the quantitative progress of common fluid, using standard
Double-acting cylinder installs the combination of electric Proportion valve or flowmeter additional；For frequently change fluid flow, and delivery precision high is required,
Servo electric jar can be used.
During implementation, the liftable column 2 is the cylinder being vertically fixedly installed.
Have two circles being in axial direction arranged side by side close during implementation, on the periphery of the periphery of the circular platen 5
Seal groove, is provided with a sealing ring on each described seal groove.So, can prevent the grease in oil drum from being pressed from circle
Gap between disk and oil drum inwall goes out extrusion.
Presently preferred embodiments of the present invention is the foregoing is only, is not limitation with the present invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of pair of column constant temperature grease pump, including base（1）And two be vertically arranged in the base（1）On it is scalable
Column（2）, two liftable columns（2）It is symmetricly set on the base（1）Two ends, and the spacing of the two is more than waiting to press
The maximum gauge of oiling bucket；Two liftable columns（2）Upper end fixed mount be provided with crossbeam（3）, the crossbeam（3）Upper tool
There are two connecting rods for setting vertically downward（4）, two connecting rods（4）Lower end between be connected with horizontally disposed circular platen
（5）, two connecting rods（4）Relative to the circular platen（5）Axisymmetrical arrangement；The circular platen（5）It is cylindrical
Sealing ring is provided with face, the maximum gauge of the sealing ring matches with the internal diameter for treating pressure injection oil drum；The circular platen（5）'s
Middle part also has vertically arranged single cylinder plunger pump（6）, the single cylinder plunger pump（6）Lower end pass through the circular platen（5）,
And with the circular platen（5）Between formed and be tightly connected；The single cylinder plunger pump（6）Upper end be also connected with being provided with for driving
Dynamic single cylinder plunger pump（6）Piston up-down linear reciprocation drive device（7）；The single cylinder plunger pump（6）Oil inlet
On bottom end face, oil-out is located on the periphery of upper end；Characterized in that, the single cylinder plunger pump（6）Also it is arranged outward
There is outer cylinder body（8）, the outer cylinder body（8）With the single cylinder plunger pump（6）Outer wall between form closed containing cavity, the outer cylinder body
（8）On be additionally provided with two connectors connected with the closed containing cavity；Also include being followed for providing the hot water of constant-temperature hot water
Loop systems, the return pipe and outlet pipe of the hot water cyclesystem are respectively connecting to two connectors.
2. column constant temperature grease pumps as claimed in claim 1 double, it is characterised in that the single cylinder plunger pump（6）Including cylinder body
And the piston in cylinder body is equipped with, the bottom of the cylinder body is provided with the first check valve of upward conducting；The piston
Middle part there is the oilhole for connecting the upper and lower ends of the cylinder body, second that upward conducting is provided with the oilhole is unidirectional
Valve.
3. column constant temperature grease pumps as claimed in claim 1 double, it is characterised in that the linear reciprocation drive device（7）For
Cylinder, the piston rod end of the cylinder and the single cylinder plunger pump（6）Pistons end between using ball pivot connect.
4. column constant temperature grease pumps as claimed in claim 1 double, it is characterised in that the liftable column（2）Consolidate for vertical
The fixed cylinder for setting.
5. column constant temperature grease pumps as claimed in claim 1 double, it is characterised in that the circular platen（5）Periphery
On periphery have in axial direction be arranged side by side two circle seal grooves, be provided with each described seal groove one it is close
Seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037348.1A CN106838592A (en) | 2017-01-19 | 2017-01-19 | A kind of pair of column constant temperature grease pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037348.1A CN106838592A (en) | 2017-01-19 | 2017-01-19 | A kind of pair of column constant temperature grease pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838592A true CN106838592A (en) | 2017-06-13 |
Family
ID=59124483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710037348.1A Pending CN106838592A (en) | 2017-01-19 | 2017-01-19 | A kind of pair of column constant temperature grease pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838592A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102444A (en) * | 2019-06-10 | 2019-08-09 | 西安凯丰铁路机电设备有限公司 | Steel rail wear-reducing film forming paste coating equipment |
| CN112009096A (en) * | 2020-09-07 | 2020-12-01 | 唐丙振 | Double-cylinder ink adding device for printing machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537612Y (en) * | 2002-01-29 | 2003-02-26 | 崔德兴 | Vacuum breaker for railway power traction |
| CN2937555Y (en) * | 2006-08-16 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Concrete piston connector of concrete pump |
| CN200996536Y (en) * | 2006-12-01 | 2007-12-26 | 冼树森 | Pneumatic grease pump |
| CN202302293U (en) * | 2011-10-18 | 2012-07-04 | 天津国际机械有限公司 | Spherical connecting device used on three-way shutoff valve |
| CN203594454U (en) * | 2013-11-06 | 2014-05-14 | 南京贝奇尔机械有限公司 | Automatic grease supplementing device of mining shield tunneling machine |
| CN203847966U (en) * | 2014-04-10 | 2014-09-24 | 东风德纳车桥有限公司 | Multi-station bearing lubricating grease filling machine |
| CN104074705A (en) * | 2014-06-26 | 2014-10-01 | 成都西屋科技发展有限公司 | Electric metering plunger pump |
| CN204159507U (en) * | 2014-08-18 | 2015-02-18 | 郑州丰宏机械设备科技有限公司 | A kind of flap disc adhesive supplier |
| CN204699899U (en) * | 2015-05-19 | 2015-10-14 | 郑州丰宏机械设备科技有限公司 | A kind of flap disc adhesive supplier |
| CN205124922U (en) * | 2015-11-02 | 2016-04-06 | 江苏建筑职业技术学院 | Peaceful monkey chief tea machine pressure device and pressurization system |
-
2017
- 2017-01-19 CN CN201710037348.1A patent/CN106838592A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537612Y (en) * | 2002-01-29 | 2003-02-26 | 崔德兴 | Vacuum breaker for railway power traction |
| CN2937555Y (en) * | 2006-08-16 | 2007-08-22 | 中国国际海运集装箱(集团)股份有限公司 | Concrete piston connector of concrete pump |
| CN200996536Y (en) * | 2006-12-01 | 2007-12-26 | 冼树森 | Pneumatic grease pump |
| CN202302293U (en) * | 2011-10-18 | 2012-07-04 | 天津国际机械有限公司 | Spherical connecting device used on three-way shutoff valve |
| CN203594454U (en) * | 2013-11-06 | 2014-05-14 | 南京贝奇尔机械有限公司 | Automatic grease supplementing device of mining shield tunneling machine |
| CN203847966U (en) * | 2014-04-10 | 2014-09-24 | 东风德纳车桥有限公司 | Multi-station bearing lubricating grease filling machine |
| CN104074705A (en) * | 2014-06-26 | 2014-10-01 | 成都西屋科技发展有限公司 | Electric metering plunger pump |
| CN204159507U (en) * | 2014-08-18 | 2015-02-18 | 郑州丰宏机械设备科技有限公司 | A kind of flap disc adhesive supplier |
| CN204699899U (en) * | 2015-05-19 | 2015-10-14 | 郑州丰宏机械设备科技有限公司 | A kind of flap disc adhesive supplier |
| CN205124922U (en) * | 2015-11-02 | 2016-04-06 | 江苏建筑职业技术学院 | Peaceful monkey chief tea machine pressure device and pressurization system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102444A (en) * | 2019-06-10 | 2019-08-09 | 西安凯丰铁路机电设备有限公司 | Steel rail wear-reducing film forming paste coating equipment |
| CN110102444B (en) * | 2019-06-10 | 2024-05-14 | 西安凯丰铁路科技有限公司 | Steel rail antifriction film forming paste coating equipment |
| CN112009096A (en) * | 2020-09-07 | 2020-12-01 | 唐丙振 | Double-cylinder ink adding device for printing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201215073Y (en) | Hydraulic profile control and water shutoff pump | |
| CN106499624B (en) | A kind of large-flow plunger pump | |
| CN105855089B (en) | A kind of plunger pump liquid feed device | |
| CN1724868A (en) | Internal circulation pressure balance ultra high pressure hydralic diaphram type metering pump | |
| CN106838592A (en) | A kind of pair of column constant temperature grease pump | |
| CN104153987B (en) | A kind of self contained power end lubrication oil circulation cooling system | |
| CN110017269A (en) | Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate | |
| CN200964939Y (en) | Diaphragm meter pump rear oil-supply control device | |
| RU2578758C1 (en) | Piston pump-compressor | |
| CN207162085U (en) | A kind of high-pressure pneumatic grease injector | |
| CN108386331B (en) | Intelligent pulse-free grouting pump for indoor model test and application method thereof | |
| CN214007471U (en) | Leakage-free plunger type metering pump head | |
| CN204140377U (en) | Plunger pump and trunk piston set assembly | |
| CN107461328A (en) | Three-plunger reciprocating Pumpp | |
| CN208252618U (en) | A kind of detachable stable type lubrication connecting flange | |
| CN204003429U (en) | A kind of self contained power end lubrication oil circulation cooling system | |
| CN109083124B (en) | Vibroflotation device with oil return cooling structure | |
| CN207363864U (en) | Three-plunger reciprocating Pumpp | |
| CN207920787U (en) | A kind of oil field water injection wellhead individual well direct-filling type augmented injection pump | |
| CN202746184U (en) | Lubricating cooling circulating device for plunger of water injection plunger pump in oil field | |
| CN201795039U (en) | Mechanical sealing type centralized oil supply system device | |
| CN221074198U (en) | Hydraulic drive drainage device for oil-gas field | |
| CN206419118U (en) | A kind of crankcase structure of five plungers of column piston | |
| CN205349629U (en) | Novel plunger pump structure | |
| CN205559249U (en) | Improve wear resistance's plunger 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
|
| WD01 | Invention patent application deemed withdrawn after publication |