CN102108962A - Variable frequency control single-cylinder double-acting double-liquid grouting pump - Google Patents
Variable frequency control single-cylinder double-acting double-liquid grouting pump Download PDFInfo
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- CN102108962A CN102108962A CN2009102607906A CN200910260790A CN102108962A CN 102108962 A CN102108962 A CN 102108962A CN 2009102607906 A CN2009102607906 A CN 2009102607906A CN 200910260790 A CN200910260790 A CN 200910260790A CN 102108962 A CN102108962 A CN 102108962A
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Abstract
The invention discloses a variable frequency control single-cylinder double-acting double-liquid grouting pump, and relates to a chemical pump. A control cabinet is connected with a variable frequency motor; the variable frequency motor is connected with a speed reducer; the speed reducer is connected with a transmission mechanism adopting a crank slider mechanism through a coupler; and the transmission mechanism is connected with a pump head which has the function of pumping corrosive liquid medium. Compared with the prior art, the variable frequency single-cylinder double-acting double-liquid grouting pump provided by the invention has the advantages of compact and light structure, high reliability and good corrosion resistance, can realize high pressure and low flow rate, and can control the flow rate in a stepless mode and adjust the rotation speed of the motor by changing the frequency of the motor while displaying the instant pumping flow rate of each channel on the control cabinet at the same time.
Description
Technical field
The present invention relates to a kind of chemical pumping, particularly a kind of VFC single-cylinder dual-action two fluid grouting pump that is used for the dam foundation rock crack seepage proof curtain chemical grouting of Hydraulic and Hydro-Power Engineering.
Background technique
Sometimes need to adopt two-shot grouting technology construction in the engineering construction, it is to allow two media carry respectively in pump, and the outer equipment that mixes of pump requires flow to regulate by stepless variable during its work, and working pressure is up to 6MPa, and equipment is light and can fast moving.The product of present similar purposes has: three small-sized cylinder piston type clean waterpumps, gear pump, hydraulic type grouting pump, pneumatic type grouting pump.But various products all exist different problems and shortcoming: small-sized three-port type piston grouting pump can not the bigger chemical grout of reliable delivery viscosity, and pressure is low, corrosion-resistant, and the life-span is short; Gear pump can be realized high pressure slip casting, but it is difficult to realize Flow-rate adjustment, and corrosion-resistant, and operating life is short; Hydraulic type or pneumatic type grouting pump can better satisfy construction process requirement, but or its volume big, weight is big, be equipped with incorporate fuel tank or source of the gas, unfavorable rapid traverse, perhaps its product price height, the user is difficult to accept.
Summary of the invention
Technical problem to be solved by this invention provides a kind of VFC single-cylinder dual-action two fluid grouting pump, can step-less adjustment and show pump discharge, and the pressure height realizes that the multimedium of different proportion is carried.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of VFC single-cylinder dual-action two fluid grouting pump, and control cabinet is connected with variable-frequency motor, and variable-frequency motor is connected with retarder, retarder is connected with driving mechanism, and driving mechanism is connected with pump head.
In the described driving mechanism, transmission shaft is fixedlyed connected with eccentric wheel, and eccentric wheel is installed in crank-connecting rod one end by big watt of connecting rod, and the crank-connecting rod the other end is connected with connecting rod.
In the described pump head, be provided with piston in the suction cylinder, piston is fixedlyed connected with piston rod, and the two ends of suction cylinder are connected with a sucking-exhausting device respectively.
In the described sucking-exhausting device, suction port is communicated with suction chamber by sucking ball valve, and suction chamber is communicated with the suction cylinder, and the suction cylinder is communicated with discharge side by discharging ball valve, and discharge side is communicated with exhaust port.
Described exhaust port is provided with the pressure instrument.
Described suction ball valve and discharge ball valve are in the pump head loam cake, and are in same horizontal position.
Described discharge side is provided with pressure valve.
In the described pressure valve, be provided with spool between pressure valve inlet and pressure valve outlet, spool is connected with handle by stage clip.
Be provided with frequency variator and display unit in the described control cabinet, can control and show instantaneous flow in the pump head.
A kind of VFC single-cylinder dual-action two fluid grouting pump provided by the invention, by control cabinet is connected with variable-frequency motor, variable-frequency motor is connected with retarder, retarder is connected with the driving mechanism that adopts slidercrank mechanism by coupling, and driving mechanism is connected with the pump head with pumping corrosive liquids media feature.Compared with prior art, the present invention has the advantage of advantages of compact and light structure, reliability height and good corrosion resistance, can realize high pressure, low discharge, and can be by changing the stepless control flow rate of electric machine frequency, when adjusting motor speed, show the instantaneous flow of the every passage of pumping simultaneously at control cabinet.
Description of drawings
Fig. 1 is the plan view of structure of the present invention;
Fig. 2 is the plan view of structure of the present invention;
Fig. 3 is the sectional view of driving mechanism master apparent direction among the present invention;
Fig. 4 overlooks the sectional view of direction for driving mechanism among the present invention;
Fig. 5 is the sectional view of pump head master apparent direction among the present invention;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the sectional view of pressure valve among the present invention;
Fig. 8 is the schematic representation of control cabinet among the present invention.
Embodiment
In Fig. 1, Fig. 2, Fig. 8, a kind of VFC single-cylinder dual-action two fluid grouting pump, control cabinet 5 is connected with variable-frequency motor 1, and variable-frequency motor 1 is connected with retarder 2, and retarder 2 is connected with driving mechanism 3, and driving mechanism 3 is connected with pump head 4.Employing variable-frequency motor 1 can be realized the accurate control to rotating speed, reach 6Mpa output, and variable-frequency motor 1 rated torque is too small, can not realize that high pulling torque directly exports, after adopting reduction speed ratio to be the retarder 2 of P, retarder 2 rear end moments of torsion increase P doubly, enlarge frequency variator low side frequency operating range.
In Fig. 3, Fig. 4, in the described driving mechanism 3, transmission shaft 30 is fixedlyed connected with eccentric wheel 31, and eccentric wheel 31 is installed on for big watt 34 in crank-connecting rod 32 1 ends by connecting rod, and crank-connecting rod 32 the other ends are connected with connecting rod 33.Offset is that the eccentric wheel 31 of e rotates in an end of crank-connecting rod 32, makes crank-connecting rod 32 the other end drivening rods 33 do straight reciprocating motion, and path increment is 2e.Big watt 34 on the connecting rod that the employing self oiling bearing is made between eccentric wheel 31 and the crank-connecting rod 32, and be dipped in the lubricant oil, transmission shaft 30 rotating speeds are lower simultaneously, so the heating value that produces because of friction between eccentric wheel 31 and the crank-connecting rod 32 is little.This structure is convenient to transfer larger torque.
In Fig. 5, Fig. 6, in the described pump head 4, be provided with piston 44 in the suction cylinder 42, piston 44 is fixedlyed connected with piston rod 43, and the two ends of suction cylinder 42 are connected with a sucking-exhausting device respectively.
In the described sucking-exhausting device, suction port 46 is communicated with suction chamber 45 by sucking ball valve 41, and suction chamber 45 is communicated with suction cylinder 42, and suction cylinder 42 is communicated with discharge side 49 by discharging ball valve 41 ', and discharge side 49 is communicated with exhaust port 48.Whole pump head 4 is divided into three-decker, wherein sucking ball valve 41, suction chamber 45, discharge ball valve 41 ' and discharge side 49 all is located in the pump head loam cake, reduced the length of pump head 4 like this, make structure compact more, be convenient to move, when piston 44 both sides piston rods 43 diameters are the same, realize the output of equal-volume flow; When piston 44 two ends piston rods 43 diameters were different, perhaps an end was rod chamber work, when the other end is rodless cavity work, realized not equal-volume flow output.
Described exhaust port 48 is provided with pressure instrument 47.Be used to measure delivery pressure.
Described suction ball valve 41 and discharge ball valve 41 ' are in the pump head loam cake 491, and are in same horizontal position.Take off pump head loam cake 491 like this and just can change two suction ball valve 41 and discharge ball valves 41 ' in the sucking-exhausting device easily.
In Fig. 7, described discharge side 49 is provided with pressure valve 40.
In the described pressure valve 40, pressure valve inlet 401 and 405 of pressure valve outlets are provided with spool 402, and spool 402 is connected with handle 404 by stage clip 403.When fluid when pump head 4 is discharged, by handle with sleeve 404, make stage clip 403 distortion, it is 401 airtight that the impacting force that produces enters the mouth spool 402 and pressure valve, when hydrodynamic pressure during smaller or equal to stage clip 403 impacting forces, fluid can only be discharged from exhaust port 48, when greater than stage clip 403 impacting forces, fluid backs down spool 402 and overflows from pressure valve outlet 405, below handle 404, locking nut is set, pressure valve 40 just can guarantee that pressure maximum is no more than setting pressure, thereby guarantees the security of operation of equipment, correct selects for use suitable amount of spring compression to make the pressure valve 40 can be stepless adjustable in working pressure.
Be provided with frequency variator and display unit in the described control cabinet 5, can control and show instantaneous flow in the pump head.Be provided with frequency variator and the instrument that can show instantaneous flow and instantaneous frequency in the control cabinet 5.Frequency variator is by change variable-frequency motor 1 incoming frequency, thus the rotating speed of change variable-frequency motor 1.Each frequency values, corresponding unique rotating speed, also corresponding unique flow, frequency variator just can calculate this instantaneous flow value after showing the frequency values of motor adjusting, following formula is arranged: instantaneous flow Q=(q * f
z* n * η)/(I * 50), annotate: q: every cylinder displacement; f
z: the frequency of working; Motor rated speed during n:50Hz; η, the volumetric efficiency value of pump; I, motor is to the reduction speed ratio of transmission shaft.
During use, frequency values of control cabinet 5 outputs is to variable-frequency motor 1, variable-frequency motor 1 drives the input rotation of retarder 2, the output terminal of retarder 2 is connected with transmission shaft 30 by coupling, transmission shaft 30 rotates by the eccentric wheel 31 that link drives in the driving mechanism 3, eccentric wheel 31 drives its outer crank-connecting rod 32 and does straight reciprocating motion, and connected connecting rod 33, piston rod 43 and piston 44 are also done straight reciprocating motion.
Sucking-exhausting device on the pump head has two groups, and two groups working state is opposite, because the to-and-fro motion of piston 44, promptly wherein one group when sucking, another group is then discharged; Specifically, referring to Fig. 5, when piston 44 moves to the right, the suction cylinder 42 in left side produces negative pressure, fluid enters into wherein one group of sucking-exhausting device, is by the suction port 46 in the sucking-exhausting device in left side among Fig. 5 here, backs down the steel ball that sucks in the ball valve 41, enter into the suction chamber 45 in the pump head loam cake 491, and enter in the suction cylinder 42 in left side from the runner of a side;
Because two groups of sucking-exhausting device structures are identical, herein referring to Fig. 6, meanwhile, in the suction cylinder 42 on right side, be in the discharge state, fluid in it backs down the steel ball of discharging in the ball valve 41 ' by runner, enters in the discharge side 49 in the pump head loam cake 491, is discharged from from exhaust port 48 then, if greater than the force value of setting, fluid overflows from the pressure valve outlet 405 of pressure valve 40.Need to prove that sucking ball valve 41, discharging ball valve 41 ' all is one-way valve.Referring to Fig. 5, when piston 44 moves left, then the suction cylinder 42 in left side is discharged fluid, suck ball valve 41 with it in the sucking-exhausting device of Lian Tonging and be in closed condition, discharge ball valve 41 ' and be in opening state, the sucking-exhausting device that is connected with the suction cylinder 42 on right side sucks fluid, and suction ball valve 41 wherein is in opening state, discharges ball valve 41 ' and is in closed condition.
Claims (9)
1. VFC single-cylinder dual-action two fluid grouting pump, it is characterized in that: control cabinet (5) is connected with variable-frequency motor (1), variable-frequency motor (1) is connected with retarder (2), and retarder (2) is connected with driving mechanism (3), and driving mechanism (3) is connected with pump head (4).
2. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 1, it is characterized in that: in the described driving mechanism (3), transmission shaft (30) is fixedlyed connected with eccentric wheel (31), eccentric wheel (31) is slidingly mounted in crank-connecting rod (32) one ends by connecting rod big watt (34), and crank-connecting rod (32) the other end is connected with connecting rod (33).
3. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 1, it is characterized in that: in the described pump head (4), be provided with piston (44) in the suction cylinder (42), piston (44) is fixedlyed connected with piston rod (43), and the two ends of suction cylinder (42) are connected with a sucking-exhausting device respectively.
4. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 3, it is characterized in that: in the described sucking-exhausting device, suction port (46) is communicated with suction chamber (45) by sucking ball valve (41), suction chamber (45) is communicated with suction cylinder (42), suction cylinder (42) is communicated with discharge side (49) by discharging ball valve (41 '), and discharge side (49) is communicated with exhaust port (48).
5. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 4, it is characterized in that: described exhaust port (48) is provided with pressure instrument (47).
6. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 4 is characterized in that: described suction ball valve (41) and discharge ball valve (41 ') are in the pump head loam cake (491), and are in same horizontal position.
7. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 4, it is characterized in that: described discharge side (49) is provided with pressure valve (40).
8. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 7, it is characterized in that: in the described pressure valve (40), pressure valve goes between (401) and pressure valve outlet (405) to be provided with spool (402), and spool (402) is connected with handle (404) by stage clip (403).
9. a kind of VFC single-cylinder dual-action two fluid grouting pump according to claim 1, it is characterized in that: described control cabinet is provided with frequency variator and display unit in (5), can control and show the interior instantaneous flow of pump head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260790.6A CN102108962B (en) | 2009-12-29 | 2009-12-29 | Variable frequency control single-cylinder double-acting double-liquid grouting pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910260790.6A CN102108962B (en) | 2009-12-29 | 2009-12-29 | Variable frequency control single-cylinder double-acting double-liquid grouting pump |
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| CN102108962A true CN102108962A (en) | 2011-06-29 |
| CN102108962B CN102108962B (en) | 2014-09-10 |
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| CN200910260790.6A Active CN102108962B (en) | 2009-12-29 | 2009-12-29 | Variable frequency control single-cylinder double-acting double-liquid grouting pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996394A (en) * | 2012-10-31 | 2013-03-27 | 镇江宝城注浆设备有限公司 | Single-grout or double-grout dual-purpose grouting pump |
| CN104652840A (en) * | 2015-02-05 | 2015-05-27 | 镇江长城注浆设备有限公司 | Double-fluid high-pressure filling machine |
Citations (6)
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| WO1997027741A1 (en) * | 1996-01-30 | 1997-08-07 | Hardi International A/S | A device for dosing pesticides or plant nutrients to agricultural sprayers |
| CN2563326Y (en) * | 2002-08-05 | 2003-07-30 | 宜昌黑旋风工程机械有限公司 | Reciprocating type plunger pump |
| US20040013540A1 (en) * | 2002-07-16 | 2004-01-22 | Giorgio Gai | Oil pressure operated pump for marine steering gears |
| CN200961566Y (en) * | 2006-10-31 | 2007-10-17 | 大庆油田有限责任公司 | Piston type monocylinder double-action profile control agent injection pump |
| CN101571155A (en) * | 2009-05-26 | 2009-11-04 | 薛国光 | Digital electric-hydraulic synchronous control system |
| CN201635982U (en) * | 2009-12-29 | 2010-11-17 | 黑旋风工程机械开发有限公司 | Variable-frequency control single-cylinder double-acting two-liquid grout injecting pump |
-
2009
- 2009-12-29 CN CN200910260790.6A patent/CN102108962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997027741A1 (en) * | 1996-01-30 | 1997-08-07 | Hardi International A/S | A device for dosing pesticides or plant nutrients to agricultural sprayers |
| US20040013540A1 (en) * | 2002-07-16 | 2004-01-22 | Giorgio Gai | Oil pressure operated pump for marine steering gears |
| CN2563326Y (en) * | 2002-08-05 | 2003-07-30 | 宜昌黑旋风工程机械有限公司 | Reciprocating type plunger pump |
| CN200961566Y (en) * | 2006-10-31 | 2007-10-17 | 大庆油田有限责任公司 | Piston type monocylinder double-action profile control agent injection pump |
| CN101571155A (en) * | 2009-05-26 | 2009-11-04 | 薛国光 | Digital electric-hydraulic synchronous control system |
| CN201635982U (en) * | 2009-12-29 | 2010-11-17 | 黑旋风工程机械开发有限公司 | Variable-frequency control single-cylinder double-acting two-liquid grout injecting pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996394A (en) * | 2012-10-31 | 2013-03-27 | 镇江宝城注浆设备有限公司 | Single-grout or double-grout dual-purpose grouting pump |
| CN104652840A (en) * | 2015-02-05 | 2015-05-27 | 镇江长城注浆设备有限公司 | Double-fluid high-pressure filling machine |
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| Publication number | Publication date |
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| CN102108962B (en) | 2014-09-10 |
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Owner name: SAFECLEEN ENGINEERING MACHINERY CO., LTD. Free format text: FORMER NAME: BLACK WHIRLWIND ENGINEERING MACHINERY DEVELOPMENT CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 443000 Dalian Road, Hubei, China, No. 8, No. Patentee after: Three river moral young worker journey Machinery Co., Ltd.s Address before: 443003 No. 8, Dalian Road, Dongshan Development Zone, Hubei, Yichang Patentee before: Black Whirlwind Engineering Machinery Development Co., Ltd. |