CN106545493B - A kind of distributing valve and the delivery pump using this distributing valve - Google Patents
A kind of distributing valve and the delivery pump using this distributing valve Download PDFInfo
- Publication number
- CN106545493B CN106545493B CN201510881879.XA CN201510881879A CN106545493B CN 106545493 B CN106545493 B CN 106545493B CN 201510881879 A CN201510881879 A CN 201510881879A CN 106545493 B CN106545493 B CN 106545493B
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- Prior art keywords
- valve
- hydraulic cylinder
- distributing valve
- slide mass
- pumps hydraulic
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Classifications
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- 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
- F04B53/10—Valves; Arrangement of valves
-
- 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
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- 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 distributing valves, including directional valve box, slide mass, elastic sealing element, sliding seal, friction plate, guide rod, driving device.Driving device, guide rod and friction plate are mounted on directional valve box, driving device is connected with guide rod, guide rod is connected with slide mass again, sliding seal and elastic sealing element are mounted on slide mass, and elastic sealing element is between sliding seal and slide mass, driving device drive leader, guide rod and slide mass, elastic sealing element, sliding seal move on friction plate together, to realize that switch and the commutation of valve, the present invention have many advantages, such as that sealed reliable, discharge pressure are big, suction resistance is small, volumetric efficiency is high.The invention also discloses the delivery pumps using the distributing valve.
Description
Technical field
The present invention relates generally to pumping equipment field, more particularly, to applied to materials such as slurry, lotion and Paste-like bodies
A kind of distributing valve of pipeline and the delivery pump using this distributing valve.
Background technology
Ball valve delivery pump, seat valve delivery pump, gate valve delivery pump, S pipe valves delivery pump, C-shaped pipes valve delivery pump, skirt valve delivery pump
It is mainly used for pumping the materials such as slurry, lotion and Paste-like body, such as drilling fluid, fracturing fluid, mud, coagulation etc. reciprocating delivery pump
Soil, coal slime, municipal sludge, printing and dyeing sludge, chemical engineering sludge, supping raw material etc..The above existing reciprocating delivery pump mainly has
Following shortcoming and defect：
1. for S pipe valves delivery pump, C-shaped pipes valve delivery pump, skirt valve delivery pump, the meeting in two cylinder pumps send commutation process
Row feed back is produced, to reduce transfer efficiency, fed distance is longer, delivery head is higher, discharge pressure is bigger, feed back
More serious, transfer efficiency is lower.
2. for gate valve delivery pump, due to Gate-valve sealing poor performance, and there is no wear compensation mechanism, pumping pressure
Low, fed distance is short, and delivery head is low.
3. for the delivery pump of above-mentioned various types, since all only there are one material sucking ports, when flow behavior is poor
Material when, material flow resistance is big, and sucking is difficult, relatively low so as to cause volumetric efficiency.
On to solve the above-mentioned problems, it is necessary to develop a kind of new distributing valve and the conveying using this distributing valve
Pump.
Invention content
The present invention is completed in view of at least one above problem, the first object of the present invention is to provide a kind of distribution
Valve,
Specifically, a kind of distributing valve, including：Directional valve box, slide mass, elastic sealing element, sliding seal and driving dress
It sets, driving device is directly or indirectly connected with slide mass, and slide mass can be driven to move.
According to the another aspect of an object of the present disclosure distributing valve, elastic sealing element and sliding seal are all mounted on sliding
On body, and elastic sealing element is between slide mass and sliding seal.
According to the another aspect of an object of the present disclosure distributing valve, elastic sealing element and sliding seal are all mounted on distribution
On clack box, elastic sealing element is between directional valve box and sliding seal.
According to the another aspect of an object of the present disclosure distributing valve, further comprise that friction plate, friction plate are located at distributing valve
Between case and sliding seal and on directional valve box, elastic sealing element and sliding seal are all mounted on slide mass,
Elastic sealing element is between slide mass and sliding seal.
According to the another aspect of an object of the present disclosure distributing valve, further comprise that friction plate, friction plate are located at slide mass
Between sliding seal and on slide mass, sliding seal and elastic sealing element are all mounted on directional valve box, bullet
Property sealing element is between directional valve box and sliding seal.
According to the another aspect of an object of the present disclosure distributing valve, further comprise that guide rod, guide rod are mounted on directional valve box
It can move back and forth above and along the axis of its own, driving device is connected with guide rod, and guide rod is connected with slide mass again.
According to the another aspect of an object of the present disclosure distributing valve, there are four directional valve boxs or more than four feed inlets.
According to the another aspect of an object of the present disclosure distributing valve, further comprise in seat valve, check-valves or slide valve
Any one.
The second object of the present invention is to provide a kind of delivery pump,
Specifically, a kind of delivery pump, including：Pumps hydraulic cylinder A, pumps hydraulic cylinder B, distributing valve, the distributing valve are
An object of the present disclosure distributing valve, pumps hydraulic cylinder A and pumps hydraulic cylinder B are directly or indirectly connected with distributing valve.
According to the another aspect of the delivery pump of the second mesh of the invention, further comprise that pressure-resistant travel switch, pressure-resistant stroke are opened
It closes on the cylinder body of pumps hydraulic cylinder A and pumps hydraulic cylinder B.
According to the another aspect of the delivery pump of second mesh of the invention, the piston rod of pumps hydraulic cylinder A and pumps hydraulic cylinder B's
Piston rod is fixed, and the cylinder body of pumps hydraulic cylinder A and the cylinder body of pumps hydraulic cylinder B are the plunger for pumping material again simultaneously.
According to the another aspect of the delivery pump of the second mesh of the invention, the cylinder of the cylinder body and pumps hydraulic cylinder B of pumps hydraulic cylinder A
Body is fixed, and the piston rod of pumps hydraulic cylinder A and the piston rod of pumps hydraulic cylinder B are the plunger for pumping material again simultaneously.
Preferably, the material distributing valve case is overall structure.
Preferably, the material distributing valve case further comprises two or more parts and components, each parts and components connection
It is connected together.
Preferably, the elastic sealing element is the sealing element containing rubber.
Preferably, it is fitted with check valve on the cylinder body of the pumps hydraulic cylinder A and pumps hydraulic cylinder B.
Described is connected including being directly connected and being connected indirectly, and described being connected indirectly refers to the part being connected indirectly or portion
Part is linked together by being directly connected simultaneously with other parts or component.
The present invention can be used for pumping drilling fluid, fracturing fluid, mud, concrete, coal slime, municipal sludge, printing and dyeing sludge, change
The slurries such as work sludge, supping raw material, lotion and Paste-like body material can be used for pumping liquid.
Compared with prior art, the beneficial effects of the present invention are：
1. due in pumping commutation process, the inlet valve or outlet valve that can first close in distributing valve 7 commutate again,
Feed back can be prevented to improve pumping efficiency.
2. under the action of elastic sealing element, the sealing between sliding sealing surface is close and can also carry out wear-compensating, close
Envelope is reliable, the material of higher pressure can be exported, to meet the requirement of high lift and long-distance transportation through pipeline.
3. due to multiple feed inlets, in the poor material of flow behavior, can also be easier to suck, to improve
The volumetric efficiency of pumping.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the distributing valve of preferred embodiment according to the present invention.
Fig. 2 is according to the A of the distributing valve of Fig. 1 to partial view.
Fig. 3 is the schematic diagram of the distributing valve of another preferred embodiment according to the present invention.
Fig. 4 is the schematic diagram of the distributing valve of another preferred embodiment according to the present invention.
Fig. 5 is the schematic diagram of the distributing valve of another preferred embodiment according to the present invention.
Fig. 6 is a kind of schematic diagram of the delivery pump of preferred embodiment according to the present invention.
Fig. 7 is the schematic diagram of the delivery pump of another preferred embodiment according to the present invention.
Fig. 8 is the schematic diagram of the delivery pump of another preferred embodiment according to the present invention.
Fig. 9 is the schematic diagram of the delivery pump of another preferred embodiment according to the present invention.
In figure：1 pumps hydraulic cylinder A, 2 pumping piston A, 3 pumping cylinder A, 4 pumps hydraulic cylinder B, 5 pumping piston B, 6 pumping cylinders
B, 7 distributing valves, 8 pressure-resistant travel switches, 71 directional valve boxs, 72 slide masses, 73 elastic sealing elements, 74 sliding seals, 75 frictions
Plate, 76 guide rods, 77 driving devices, 78 seat valve valve heads, 79 valve balls, 711 distribution valve bodies one, 712 distribute valve body two, 713 distributing valves
Body three.
Specific implementation mode
Below in conjunction with the accompanying drawings, the preferred forms of the present invention, specific implementation here are described by preferred embodiment
Mode is to explain the present invention in detail, should not be construed as limiting the invention, in the spirit and reality for not departing from the present invention
In the case of matter range, various modifications, modifications and combinations etc. can be made, these all should be included in protection scope of the present invention it
It is interior.
The quantity of parts and components and equipment mentioned in following embodiment all can according to the required quantity of each embodiment into
Row changes, such as driving device, slide mass, sliding seal and elastic sealing element parts and components quantity all can as needed into
Row changes.
Embodiment one
Referring to Fig. 1 and Fig. 2, the schematic diagram of the distributing valve of the preferred embodiment of the present invention is shown.The distributing valve includes：
Directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, friction plate 75, guide rod 76, driving device 77, distribution
Valve body 1, distribution valve body 2 712, distribution valve body 3 713.
Directional valve box 71 is the separate structure being made of multiple parts, including distribution valve body 1, distribution valve body two
712, valve body 3 713 is distributed, distribution valve body 1, distribution valve body 2 712 and distribution valve body 3 713 are fixedly connected.
Distributing valve includes two inlet valves and an outlet valve, and the inlet valve and outlet valve are all sliding valve structures, often
A inlet valve includes two valve plate units and two feed inlets, and the outlet valve includes that a valve plate unit and two go out
Material mouth.Each valve plate unit includes 72, elastic sealing elements 73 of a slide mass and a sliding seal 74, is slided
Through-hole is additionally provided on dynamic seal 74, elastic sealing element 73 and sliding seal 74 are mounted on slide mass 72, and elastic packing
Part 73 is between sliding seal 74 and slide mass 72.
Driving device 77, guide rod 76 and friction plate 75 are mounted on directional valve box 71, and friction plate 75 is located at directional valve box 71
Between sliding seal 74, guide rod 76 can be moved along the axis of its own, and driving device 77 is connected with guide rod 76, guide rod
76 are connected with slide mass 72 again, and sliding seal 74 can be pressed under the action of elastic sealing element 73 on friction plate 75, drive
Dynamic device 77 drive leader 76 and can be allowed to move in the plane of friction plate 75 by 76 drive valve plate unit of guide rod.Into
Expect in valve, can open simultaneously or simultaneously close off two feed inlets by the movement of valve plate unit and pass through valve plate in outlet valve
Unit moves between two discharge ports, and the conversion of two discharge port break-makes may be implemented.
Preferably, there are one feed inlet and a valve plate units for each inlet valve.
Preferably, there are two the valve plate units of above feed inlet and identical quantity for each inlet valve.
Embodiment two
Referring to Fig. 3, the schematic diagram of the distributing valve of another preferred embodiment of the present invention is shown.The distributing valve includes：
Directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, friction plate 75, guide rod 76, driving device 77.
Driving device 77, guide rod 76 and friction plate 75 are mounted on directional valve box 71, the power output end of driving device 77
It is connected with guide rod 76, guide rod 76 is connected with slide mass 72 again, and sliding seal 74 and elastic sealing element 73 are mounted on slide mass 72
On, and elastic sealing element 73, between slide mass 72 and sliding seal 74, friction plate 75 is located at directional valve box 71 and sliding
Between sealing element 74, it is pressed on friction plate 75 in the elastic force effect downslide dynamic seal 74 of elastic sealing element 73.
Distributing valve includes the outlet valve of the inlet valve and a commutation valve-type of two stop valves, the inlet valve and
Outlet valve is all sliding valve structure.In each inlet valve, there are two feed inlet and two valve plate units.In outlet valve, there is two
A discharge port and a valve plate unit.Each valve plate unit includes 72, sliding seals 74 of a slide mass and one
Elastic sealing element 73, sliding seal 74 and elastic sealing element 73 are mounted on slide mass 72, and elastic sealing element 73 is located at cunning
Between kinetoplast 72 and sliding seal 74.There is through-hole on sliding seal 73 in inlet valve, the slide mass in outlet valve
There is through-hole on 72.
In inlet valve, under the action of valve drive 77, two valve plate units move back and forth on friction plate 75, from
And open simultaneously or simultaneously close off two feed inlets；In outlet valve, under the action of valve drive 77, valve plate unit can be with
It is moved to another discharge port from a discharge port along friction plate 75, to realize the conversion of two discharge port break-makes.
Embodiment three
Referring to Fig. 4, the schematic diagram of the distributing valve of another preferred embodiment of the present invention is shown.The distributing valve includes：
Directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, driving device 77, seat valve valve head 78.
The distributing valve is guiding valve and seat valve mixed structure, includes two inlet valves and two dischargings in distributing valve
Valve.Inlet valve is sliding valve structure, wherein driving device 77 is connected with slide mass 72, sliding seal 74 and elastic sealing element 73
On directional valve box 71, elastic sealing element 73 is between sliding seal 74 and directional valve box 71, slide mass 72 and cunning
Through-hole is all provided on dynamic seal 74, sliding seal 74 can be pressed on slide mass 72 under the action of elastic sealing element 73
On, in inlet valve, slide mass 72 can move back and forth under the action of driving device 77, to open or close feed inlet.
Outlet valve is seat valve structure, wherein driving device 77 is connected with seat valve valve head 72, and seat valve valve head 72 can be driven to be allowed to back and forth transport
It is dynamic, to open or close discharge port.
Preferably, the contact surface of seat valve valve head 72 and discharge port is circular conical surface or arc surface.
Preferably, the driving device in inlet valve is identical as the driving device in outlet valve.
Example IV
Referring to Fig. 5, the schematic diagram of the distributing valve of another preferred embodiment of the present invention is shown.The distributing valve includes：
Directional valve box 71, slide mass 72, elastic sealing element 73, sliding seal 74, driving device 77, valve ball 79.
Distributing valve includes an inlet valve and an outlet valve, and wherein inlet valve is sliding valve structure, and outlet valve is non-return
Valve arrangement.In feeding guiding valve, driving device 77 is connected with slide mass 72, and sliding seal 74 and elastic sealing element 73 are mounted on
On slide mass 72, elastic sealing element 73 is additionally provided with logical between sliding seal 74 and slide mass 72 on sliding seal 74
Hole, sliding seal 74 can be pressed under the action of elastic sealing element 73 on directional valve box 71, in the work of driving device 77
It can be moved back and forth with downslide kinetoplast 72, to open or close feed inlet.The check-valves is non-return valve, including
Valve ball 79.
Embodiment five
Referring to Fig. 6, the schematic diagram of the delivery pump of the preferred embodiment of the present invention is shown.The delivery pump includes：Pumping
Hydraulic cylinder A1, pumping piston A2, pumping cylinder A3, pumps hydraulic cylinder B4, pumping piston B5, pumping cylinder B6, distributing valve 7, pressure-resistant row
Part in the signified double dot dash line of Cheng Kaiguan 8, wherein serial number 7 is distributing valve, and the pressure-resistant travel switch is can be in pressure
The stroke sensing device used in liquid, such as the close switch of high pressure.
The piston rod of pumps hydraulic cylinder A1 is connected with pumping piston A2, and pumping piston A2 is mounted in pumping cylinder A3, and
It can be moved back and forth in pumping cylinder A3；The piston rod of pumps hydraulic cylinder B4 is connected with pumping piston B5, pumping piston B5 installations
In pumping cylinder B6, and it can be moved back and forth in pumping cylinder B6；Pumping cylinder A3 and pumping cylinder B6 are connected with distributing valve 7, pump
It is equipped with pressure-resistant travel switch 8 on the cylinder body of the rod chamber and rodless cavity of liquor charging cylinder pressure A1 and pumps hydraulic cylinder B4.
Embodiment six
Referring to Fig. 7, the schematic diagram of the delivery pump of another preferred embodiment of the present invention is shown.This is toward delivery pump packet
It includes：Part in the signified double dot dash line of pumps hydraulic cylinder A1, pumps hydraulic cylinder B4, distributing valve 7, wherein serial number 7 is distributing valve.
The piston rod of pumps hydraulic cylinder A1 is equipped with two oil circuits, and two oil circuits point with the piston rod of pumps hydraulic cylinder B4
It is not communicated with rodless cavity and rod chamber, the piston rod of the piston rod and pumps hydraulic cylinder B4 of pumps hydraulic cylinder A1 is fixed, and liquid is pumped
The cylinder body of cylinder pressure A1 is mounted on the cylinder body of pumps hydraulic cylinder B4 in directional valve box 71, and can be moved back and forth in directional valve box 71,
To suck or pump out material as the plunger of pumping material.
Embodiment seven
Referring to Fig. 8, the schematic diagram of the delivery pump of another preferred embodiment of the present invention is shown.The reciprocatory slide valve is defeated
The pump is sent to include：Pumps hydraulic cylinder A1, pumping cylinder A3, pumps hydraulic cylinder B4, pumping cylinder B6, distributing valve 7, pressure-resistant travel switch 8.
The piston rod of pumps hydraulic cylinder A1 is mounted on as the plunger of pumping material in pumping cylinder A3 again, and can be in pumping cylinder
It is moved back and forth in A3；The piston rod of pumps hydraulic cylinder B4 is mounted on as the plunger of pumping material in pumping cylinder B6 again, and can be
It is moved back and forth in pumping cylinder A3, pumps cylinder A3 and pumping cylinder B6 is connected with distributing valve 7, pumps hydraulic cylinder A1 and pumps hydraulic
It is equipped with pressure-resistant travel switch 8 on the rod chamber of cylinder B4 and the cylinder body of rodless cavity.
Embodiment eight
Referring to Fig. 9, the schematic diagram of the delivery pump of another preferred embodiment of the present invention is shown.The delivery pump includes：
Pumps hydraulic cylinder A1, pumping piston A2, pumping cylinder A3, distributing valve 7, pressure-resistant travel switch 8, the wherein signified double dot dash line of serial number 7
Interior part is distributing valve.
The piston rod of pumps hydraulic cylinder A1 is connected with pumping piston A2, and pumping piston A2 is mounted in pumping cylinder A3, and
It can be moved back and forth in pumping cylinder A3.Pumping cylinder A3 is connected with distributing valve 7, the cylinder of the rod chamber and rodless cavity of pumps hydraulic cylinder A1
Pressure-resistant travel switch 8 is equipped on body.
The present invention is not limited to above-mentioned specific embodiments.It is understood that not departing from spirit and substance of the present invention model
In the case of enclosing, various changes and modifications can be made, these should all be included within protection scope of the present invention.
Claims (11)
1. a kind of distributing valve, including：Directional valve box (71), slide mass (72), elastic sealing element (73), sliding seal (74) and
Driving device (77), driving device (77) are directly or indirectly connected with slide mass (72), and slide mass (72) can be driven to move,
The distributing valve further comprises that friction plate (75), the friction plate (75) are located at directional valve box (71) and sliding seal
(74) between and on directional valve box (71), elastic sealing element (73) and sliding seal (74) are all mounted on slide mass
(72) on, elastic sealing element (73) is located between slide mass (72) and sliding seal (74)；Or
The friction plate (75) is located between slide mass (72) and sliding seal (74) and on slide mass (72), sliding
Sealing element (74) and elastic sealing element (73) are all mounted on directional valve box (71), and elastic sealing element (73) is located at directional valve box
(71) between sliding seal (74).
2. distributing valve according to claim 1, which is characterized in that further comprise that guide rod (76), guide rod (76) are mounted on
It can move back and forth on directional valve box (71) and along the axis of its own, driving device (77) is connected with guide rod (76), guide rod (76)
It is connected again with slide mass (72).
3. according to the distributing valve described in any one of claim 1 to 2 claim, which is characterized in that the directional valve box
(71) there are four above feed inlets.
4. distributing valve according to claim 1 or 2, which is characterized in that further comprise seat valve or slide valve.
5. distributing valve according to claim 1 or 2, which is characterized in that further comprise check-valves.
6. distributing valve according to claim 3, which is characterized in that further comprise seat valve or slide valve.
7. distributing valve according to claim 3, which is characterized in that further comprise check-valves.
8. a kind of delivery pump, including：Pumps hydraulic cylinder A (1), pumps hydraulic cylinder B (4), distributing valve (7), the distributing valve (7)
For the distributing valve as described in any one of claim 1 to 7 claim, pumps hydraulic cylinder A (1) and pumps hydraulic cylinder B (4) are straight
It connects or is connected indirectly with distributing valve (7).
9. according to delivery pump according to any one of claims 8, which is characterized in that further comprise that pressure-resistant travel switch (8), pressure-resistant stroke are opened
(8) are closed on the cylinder body of pumps hydraulic cylinder A (1) and pumps hydraulic cylinder B (4).
10. delivery pump according to claim 8, which is characterized in that the piston rod and pump of the pumps hydraulic cylinder A (1)
The piston rod of liquor charging cylinder pressure B (4) is fixed, and the cylinder body of pumps hydraulic cylinder A (1) and the cylinder body of pumps hydraulic cylinder B (4) are pump again simultaneously
Send the plunger of material.
11. delivery pump according to claim 9, which is characterized in that the cylinder body of the pumps hydraulic cylinder A (1) and pumping
The cylinder body of hydraulic cylinder B (4) is fixed, and the piston rod of pumps hydraulic cylinder A (1) and the piston rod of pumps hydraulic cylinder B (4) are pump again simultaneously
Send the plunger of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881879.XA CN106545493B (en) | 2015-12-07 | 2015-12-07 | A kind of distributing valve and the delivery pump using this distributing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510881879.XA CN106545493B (en) | 2015-12-07 | 2015-12-07 | A kind of distributing valve and the delivery pump using this distributing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545493A CN106545493A (en) | 2017-03-29 |
| CN106545493B true CN106545493B (en) | 2018-08-03 |
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ID=58365755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510881879.XA Active CN106545493B (en) | 2015-12-07 | 2015-12-07 | A kind of distributing valve and the delivery pump using this distributing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545493B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441757A (en) * | 2018-12-18 | 2019-03-08 | 吴加银 | A kind of plunger type mortar conveying device |
| CN114790826B (en) * | 2021-01-25 | 2023-09-12 | 三一汽车制造有限公司 | Gate valve pumping mechanism and concrete conveying equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2506828Y (en) * | 2001-09-21 | 2002-08-21 | 金立成 | Moveable pipeline switching valve |
| CN201606205U (en) * | 2010-03-10 | 2010-10-13 | 北京中矿环保科技股份有限公司 | Paste transfer pump |
| CN202266410U (en) * | 2011-09-30 | 2012-06-06 | 赵建纲 | Sliding valve |
| CN102606472A (en) * | 2012-03-23 | 2012-07-25 | 三一重工股份有限公司 | Distribution valve for pumping system, pumping system and engineering machinery |
| CN202768380U (en) * | 2012-04-25 | 2013-03-06 | 中联重科股份有限公司 | Pumping dispensing mechanism, pumping device and concrete pump |
| CN205370953U (en) * | 2015-12-07 | 2016-07-06 | 巩长勇 | Distribution valve and adopt delivery pump of this kind of distribution valve |
-
2015
- 2015-12-07 CN CN201510881879.XA patent/CN106545493B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2506828Y (en) * | 2001-09-21 | 2002-08-21 | 金立成 | Moveable pipeline switching valve |
| CN201606205U (en) * | 2010-03-10 | 2010-10-13 | 北京中矿环保科技股份有限公司 | Paste transfer pump |
| CN202266410U (en) * | 2011-09-30 | 2012-06-06 | 赵建纲 | Sliding valve |
| CN102606472A (en) * | 2012-03-23 | 2012-07-25 | 三一重工股份有限公司 | Distribution valve for pumping system, pumping system and engineering machinery |
| CN202768380U (en) * | 2012-04-25 | 2013-03-06 | 中联重科股份有限公司 | Pumping dispensing mechanism, pumping device and concrete pump |
| CN205370953U (en) * | 2015-12-07 | 2016-07-06 | 巩长勇 | Distribution valve and adopt delivery pump of this kind of distribution valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106545493A (en) | 2017-03-29 |
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Effective date of registration: 20230112 Address after: 272000 No. 7777, West Outer Ring Road, University Science Park, Zoucheng Economic Development Zone, Jining, Shandong Patentee after: Shandong Hanlun Environmental Protection Machinery Co.,Ltd. Address before: 1602, block C, building 1, Furun Jiayuan, No. 6 Xueyuan Road, Haidian District, Beijing 100083 Patentee before: Gong Gaoli |
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