CN105840447B - Manually with pneumatic dual-purpose hole-sealing grouting pump and its application method - Google Patents
Manually with pneumatic dual-purpose hole-sealing grouting pump and its application method Download PDFInfo
- Publication number
- CN105840447B CN105840447B CN201610215575.4A CN201610215575A CN105840447B CN 105840447 B CN105840447 B CN 105840447B CN 201610215575 A CN201610215575 A CN 201610215575A CN 105840447 B CN105840447 B CN 105840447B
- Authority
- CN
- China
- Prior art keywords
- bar
- pump
- slip casting
- plunger
- grouting
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000007569 slipcasting Methods 0.000 claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
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
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
- F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Manually with pneumatic dual-purpose hole-sealing grouting pump, including base, plunger pump, manual slip casting mechanism and wind-driving grouting mechanism；Base left end and right-hand member are equipped with hand handle, plunger pump is horizontal horizontal in chassis left side by first support in left-right direction, plunger pump includes plunger rod and the plunges pump body being located in first support, plunger rod level is slided to the left to be plugged in plunges pump body, plunger rod right-hand member is arranged with connection ring, and plunges pump body is provided with pulp-inlet pipe joint and pulp pipe joint；Manual slip casting mechanism includes rocking bar, reel cage, pull bar and branch bar, and branch bar is provided with two and is arranged side by side along the longitudinal direction, and two branch bar upper ends are connected to form U-shape structure, and rocking bar lower end is fixedly connected with the junction of two branch bars；Rational in infrastructure, simple to operate, slip casting rate stabilization of the invention and lightweight is small is easy to move, market prospects are good, easy to spread.
Description
Technical field
The invention belongs to drilling and sealing technical field under mine, and in particular to it is a kind of manually with pneumatic dual-purpose hole-sealing grouting pump
And its application method.
Background technology
In coal mine gas drainage work, sealing quality is the key factor for influenceing extracting result, it is well known that slip casting is sealed
Hole is achieved extensively due to the advantages that its is simple to operate, the amount of labour is small, sealing of hole speed is fast, sealing of hole effect is good in being applied in colliery
Application, and need to use grouting pump in injection hole sealing, the grouting pump generally used both at home and abroad at present has three classes, electronic slip casting
Pump, Manual grouting pump and Pneumatic grouting pump, electronic grouting pump body weight is big, is not easy to move, and electricity is used as power, safety coefficient
Low, Pneumatic grouting pump requires high using easily blocking, to homogenous slurry degree, when blast is inadequate, using being restricted, manually
Grouting pump injection speed is slow, and labor intensity is big, in view of the above-mentioned problems, how to improve existing grouting pump, turns into the pass of urgent need to resolve
Key problem.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided it is a kind of it is easy to remove, labor intensity is small, safety can
Manual and pneumatic dual-purpose hole-sealing grouting pump and its application method leaned on.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Manually with pneumatic dual-purpose hole-sealing grouting pump bag
Include base, plunger pump, manual slip casting mechanism and wind-driving grouting mechanism；Base left end and right-hand member are equipped with hand handle, and plunger pump edge is left
Right direction includes plunger rod and the plunger pump being located in first support by the way that first support level is horizontal in chassis left side, plunger pump
Body, plunger rod level is slided to the left to be plugged in plunges pump body, and plunger rod right-hand member is arranged with connection ring, plunges pump body be provided with into
Starch pipe joint and pulp pipe joint；
Manual slip casting mechanism includes rocking bar, reel cage, pull bar and branch bar, and branch bar is provided with two and along the longitudinal direction side by side
Set, two branch bar upper ends are connected to form U-shape structure, and rocking bar lower end is fixedly connected with the junction of two branch bars, two
The lower end of branch bar is hinged by bearing pin and first support, and two pull bars are respectively provided at the front and back of plunges pump body, each
The middle part of the branch bar corresponding left end with a pull bar of homonymy is hinged, and reel cage external form is in oval ring-like frame structure, reel cage
Level is located at around plunger pump, and the right-hand member of front side and rear side respectively with a pull bar in the middle part of reel cage is hinged, the right-hand member of reel cage with
Connection ring is fixedly connected；
Wind-driving grouting mechanism includes cylinder and the control valve for controlling cylinder to act, and cylinder is horizontal horizontal by second support
Put on the right side of base, cylinder includes cylinder body and reciprocating air cylinder bar, and reciprocating air cylinder bar level is right by connector and plunger rod to the left
End connection, cylinder control valve are set on the secondary support bracket.
Also including protective cover, offer the breach rotated for rocking bar at the top of protective cover, protective cover includes two cases, and two
Individual case is symmetrically arranged at base front and rear sides, and the bottom of two cases is hinged with side before and after base respectively, one of case
It is provided with and is used for the circular hole that pulp pipe joint passes through；Screwed hole is equipped with two cases, and two cases are by being located in
Bolt connection in screwed hole, when two cases merge connection, base, plunger pump, manual slip casting mechanism and wind-driving grouting machine
Structure is respectively positioned on inside protective cover.
Manually with the application method of pneumatic dual-purpose hole-sealing grouting pump, comprise the following steps：
（1）Slip casting power source is selected according to job location situation first, when implementing operation, selects wind-driving grouting mechanism to make
For main power source, using manual slip casting mechanism as back-up power source, when blast not enough or use is by prescribing a time limit, start manual slip casting
Mechanism；
（2）The suction tube being connected with pulp-inlet pipe joint is put into mixer, while will be gone out with what pulp pipe joint was connected
Expects pipe is put into mash gas pumping drilling hole sealing device；
（3）Using the slip casting of wind-driving grouting mechanism：Start cylinder control valve, reciprocating air cylinder bar is done back and forth in the cylinder body of cylinder
Motion, reciprocating air cylinder bar drive plunger rod to move reciprocatingly by connector, and the slurries in plunger rod driving plunges pump body are from post
Pulp pipe joint on the plug pump housing is flowed into mash gas pumping drilling hole sealing device, after reaching grouting pressure, completes injection hole sealing；
When blast not enough or use by prescribe a time limit, using the slip casting of manual slip casting mechanism：Reciprocating air cylinder is separated by dismantling connection part first
Bar and plunger rod, then shake rocking bar for several times, rocking bar drives pull bar to move reciprocatingly by two branch bars, and pull bar connects with reel cage
Connect, reel cage pulls plunger rod to move reciprocatingly by connection ring, is sealed so as to drive plunger pump to extract slurries to mash gas pumping drilling
In aperture apparatus, after reaching grouting pressure, injection hole sealing is completed.
The invention has the advantages that：
When implementing operation, the present invention is in a manner of wind-driving grouting mechanism is driven to groundwork, when blast is inadequate or makes
With by limited time, manual slip casting mechanism can be selected as stand-by power source, can also the manual slip casting mechanism of simultaneous selection and pneumatic
The double dynamical driving plunger pump operation of slip casting mechanism, you can solve the problems, such as existing, ensure that the stabilization of slip casting speed, labor intensity
It is small, do not limited by occasion；
Base, plunger pump, manual slip casting mechanism and wind-driving grouting mechanism are wrapped in inside it by protective cover, prevent that dust is broken
Bits and the hard grains of sand etc. enter in plunger pump, manual slip casting mechanism and wind-driving grouting mechanism, because the mechanism above base is most
Using be hinged, mode, dust chip and the hard grains of sand such as be slidably connected mechanism will certainly cause to damage above base, protective cover
Protect internal mechanism well；It is easy to move the present invention provided with hand handle in base both ends；.
In summary, rational in infrastructure, simple to operate, slip casting rate stabilization of the invention and lightweight is small is easy to remove
Move, market prospects are good, easy to spread.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in figure 1, the manual and pneumatic dual-purpose hole-sealing grouting pump of the present invention, including base 1, plunger pump, manual slip casting
Mechanism and wind-driving grouting mechanism；Base 1 is horizontally disposed with left-right direction, and the left end of base 1 and right-hand member are equipped with hand handle 2, plunger pump
Including plunger rod 3 and plunges pump body 4, plunger pump is horizontal horizontal in the left side of base 1, plunger by first support 5 in left-right direction
Horizontal slide to the left of bar 3 is plugged in plunges pump body 4, and plunges pump body 4 is provided with pulp-inlet pipe joint 6 and pulp pipe joint 7；
Manual slip casting mechanism includes rocking bar 8, reel cage 9 and pull bar 10, symmetrical branch bar before and after the lower end of rocking bar 8 is provided with two
11, two branch bars 11 and rocking bar 8 form inverted y-type structure, and two branch bars 11 and rocking bar 8 can be structure as a whole, two
The lower end of branch bar 11 is be hinged by bearing pin 12 and first support 5, and the middle part of two branch bars 11 is left with two pull bars 10 respectively
End is be hinged, and two pull bars 10 are symmetrically arranged at the front and back of plunges pump body 4, and the external form of reel cage 9 is horizontal in oval ring-like framework, reel cage 9
It is located at around plunger pump, the right-hand member of the middle part of reel cage 9 respectively with two pull bars 10 is hinged, and the right-hand member of reel cage 9 is by being set in post
Connection ring 13 on stopper rod 3 is connected with plunger rod 3；
Wind-driving grouting mechanism includes cylinder and cylinder control valve 14, and cylinder is horizontal horizontal in base 1 by second support 15
Right side, cylinder include cylinder body 16 and reciprocating air cylinder bar 17, and reciprocating air cylinder bar 17 is horizontal right by connector 18 and plunger rod 3 to the left
End connection, cylinder control valve 14 are located in second support 15.
Also include protective cover with pneumatic dual-purpose hole-sealing grouting pump manually, offer what is rotated for rocking bar 8 at the top of protective cover
Breach 22, protective cover include two cases 20, and two cases 20 are symmetrically arranged at the front and rear sides of base 1, the bottom of two cases 20
It is hinged respectively with side before and after base 1, one of case 20, which is provided with, is used for the circular hole 21 that pulp pipe joint 7 passes through；Two
It is equipped with screwed hole 23 on case 20, and two cases 20 pass through the bolt connection that is located in screwed hole 23（Bolt is existing
There is technical standard part）, when two cases 20 merge connection, base 1, plunger pump, manual slip casting mechanism and wind-driving grouting machine
Structure is respectively positioned on inside protective cover.
Using above-mentioned technical proposal, specific work process of the invention is：Plunger pump of the invention can be selected manual first
Slip casting mechanism or the driving of wind-driving grouting mechanism, or driven simultaneously from manual slip casting mechanism and wind-driving grouting mechanism, implementing
During operation, in a manner of wind-driving grouting mechanism is driven to groundwork, using manual slip casting mechanism as stand-by power source；Concrete operations
Cross and be referred to as：It is type of drive from wind-driving grouting mechanism when gas pumping sealing of hole is carried out under ore deposit, first will be with pulp-inlet pipe joint
The suction tube of 6 connections is put into mixer, and the discharge nozzle being connected with pulp pipe joint 7 is injected into gas drilling position, is opened
Dynamic cylinder control valve 14, reciprocating air cylinder bar 17 move reciprocatingly in the cylinder body 16 of cylinder, and reciprocating air cylinder bar 17 passes through connector
18 drive plunger rods 3 move reciprocatingly, and plunger rod 3 drives the slurries in plunges pump body 4, and slurries are from the pulp on plunges pump body 4
Pipe joint 7 is flowed into mash gas pumping drilling hole sealing device, after reaching grouting pressure, completes injection hole sealing；Mash gas pumping drilling
Hole sealing device is conventional prior, is no longer described in detail.
When blast is inadequate or use is driven plunger pump by manual slip casting mechanism in limited time, can be selected, specific work process is：
Reciprocating air cylinder bar 17 and plunger rod 3 are separated by dismantling connection part 18 first, then shake rocking bar 8 for several times, rocking bar 8 drives two
Branch bar 11, two branch bars 11 drive pull bar 10 to move reciprocatingly, and pull bar 10 is be hinged with reel cage 9, and reel cage 9 passes through connection ring 13
Plunger rod 3 is pulled to move reciprocatingly, so as to drive plunger pump, plunger pump extracts chemical pulp to gas drilling position, reaches slip casting
After pressure, injection hole sealing is completed.
The present embodiment is not that the shape to the present invention, material, structure etc. make any formal limitation, every according to this hair
Any simple modification, equivalent change and modification that bright technical spirit is made to above example, belongs to the technology of the present invention side
The protection domain of case.
Claims (3)
1. manually with pneumatic dual-purpose hole-sealing grouting pump, it is characterised in that：Including base, plunger pump, manual slip casting mechanism and pneumatic
Slip casting mechanism；Base left end and right-hand member are equipped with hand handle, and plunger pump is horizontal horizontal in base by first support in left-right direction
Left side, plunger pump include plunger rod and the plunges pump body being located in first support, and plunger rod level is slided to the left is plugged in plunger
In the pump housing, plunger rod right-hand member is arranged with connection ring, and plunges pump body is provided with pulp-inlet pipe joint and pulp pipe joint；
Manual slip casting mechanism includes rocking bar, reel cage, pull bar and branch bar, and branch bar is provided with two and set side by side along the longitudinal direction
Put, two branch bar upper ends are connected to form U-shape structure, and rocking bar lower end is fixedly connected with the junction of two branch bars, two points
The lower end of pole is hinged by bearing pin and first support, and two pull bars are respectively provided at the front and back of plunges pump body, Mei Gefen
The middle part of the pole corresponding left end with a pull bar of homonymy is hinged, and reel cage external form is in oval ring-like frame structure, reel cage water
Flat to be located at around plunger pump, the right-hand member of front side and rear side respectively with a pull bar in the middle part of reel cage is hinged, the right-hand member of reel cage and company
Ring is connect to be fixedly connected；
Wind-driving grouting mechanism includes cylinder and the control valve for controlling cylinder to act, cylinder by second support it is horizontal it is horizontal
On the right side of base, cylinder includes cylinder body and reciprocating air cylinder bar, and reciprocating air cylinder bar level is connected by connector and plunger rod right-hand member to the left
Connect, cylinder control valve is set on the secondary support bracket.
2. it is according to claim 1 manually with pneumatic dual-purpose hole-sealing grouting pump, it is characterised in that：Also include protective cover, prevent
The breach rotated for rocking bar is offered at the top of shield, protective cover includes two cases, and two cases are symmetrically arranged at before and after base
Both sides, the bottom of two cases are hinged with side before and after base respectively, and one of case is provided with to be led to for pulp pipe joint
The circular hole crossed；It is equipped with screwed hole on two cases, and two cases are by the bolt connection that is located in screwed hole, when two
When individual case merges connection, base, plunger pump, manual slip casting mechanism and wind-driving grouting mechanism are respectively positioned on inside protective cover.
3. the application method with pneumatic dual-purpose hole-sealing grouting pump manually according to claim 2, it is characterised in that：Including with
Lower step：
（1）Slip casting power source is selected according to job location situation first, when implementing operation, selects wind-driving grouting mechanism as master
Want power source, using manual slip casting mechanism as back-up power source, when blast not enough or use by prescribe a time limit, start manual slip casting machine
Structure；
（2）The suction tube being connected with pulp-inlet pipe joint is put into mixer, while the discharge nozzle that will be connected with pulp pipe joint
It is put into mash gas pumping drilling hole sealing device；
（3）Using the slip casting of wind-driving grouting mechanism：Start cylinder control valve, reciprocating air cylinder bar does reciprocal fortune in the cylinder body of cylinder
Dynamic, reciprocating air cylinder bar drives plunger rod to move reciprocatingly by connector, and the slurries in plunger rod driving plunges pump body are from plunger
Pulp pipe joint on the pump housing is flowed into mash gas pumping drilling hole sealing device, after reaching grouting pressure, completes injection hole sealing；When
Blast is not enough or use is by prescribing a time limit, using the slip casting of manual slip casting mechanism：Reciprocating air cylinder bar is separated by dismantling connection part first
And plunger rod, then shake rocking bar for several times, rocking bar drives pull bar to move reciprocatingly by two branch bars, and pull bar connects with reel cage
Connect, reel cage pulls plunger rod to move reciprocatingly by connection ring, is sealed so as to drive plunger pump to extract slurries to mash gas pumping drilling
In aperture apparatus, after reaching grouting pressure, injection hole sealing is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215575.4A CN105840447B (en) | 2016-04-08 | 2016-04-08 | Manually with pneumatic dual-purpose hole-sealing grouting pump and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215575.4A CN105840447B (en) | 2016-04-08 | 2016-04-08 | Manually with pneumatic dual-purpose hole-sealing grouting pump and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840447A CN105840447A (en) | 2016-08-10 |
| CN105840447B true CN105840447B (en) | 2017-11-17 |
Family
ID=56596993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215575.4A Expired - Fee Related CN105840447B (en) | 2016-04-08 | 2016-04-08 | Manually with pneumatic dual-purpose hole-sealing grouting pump and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840447B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026628A (en) * | 2018-08-23 | 2018-12-18 | 中煤第五建设有限公司 | Gas drainage holes hole-sealing grouting pump improved equipment and method in a kind of tunnel |
| CN112145388A (en) * | 2020-09-21 | 2020-12-29 | 河南理工大学 | Double-acting grouting pump with variable-diameter plunger |
| CN118049354B (en) * | 2024-04-16 | 2024-06-14 | 徐州和盛矿业科技有限公司 | Movable combined mining pneumatic grouting pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203313A (en) * | 1997-06-20 | 1998-12-30 | 刘清海 | Wind-force air-pressure water pump |
| CN202417423U (en) * | 2012-01-11 | 2012-09-05 | 中国矿业大学 | Mining double-liquid grouting pump |
| CN202628419U (en) * | 2012-05-11 | 2012-12-26 | 常州双江机械科技有限公司 | Pneumatic manual integrated hydraulic pump |
| CN202645919U (en) * | 2011-12-02 | 2013-01-02 | 郑州成泰化工设备有限公司 | Pneumatic hole-sealing pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004316511A (en) * | 2003-04-15 | 2004-11-11 | Shinshichiro Suzuki | Grout pump device |
-
2016
- 2016-04-08 CN CN201610215575.4A patent/CN105840447B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203313A (en) * | 1997-06-20 | 1998-12-30 | 刘清海 | Wind-force air-pressure water pump |
| CN202645919U (en) * | 2011-12-02 | 2013-01-02 | 郑州成泰化工设备有限公司 | Pneumatic hole-sealing pump |
| CN202417423U (en) * | 2012-01-11 | 2012-09-05 | 中国矿业大学 | Mining double-liquid grouting pump |
| CN202628419U (en) * | 2012-05-11 | 2012-12-26 | 常州双江机械科技有限公司 | Pneumatic manual integrated hydraulic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105840447A (en) | 2016-08-10 |
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Granted publication date: 20171117 Termination date: 20180408 |