CN103062006B - A kind of Double-cylinder piston type mortar pump - Google Patents
A kind of Double-cylinder piston type mortar pump Download PDFInfo
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- CN103062006B CN103062006B CN201210554632.3A CN201210554632A CN103062006B CN 103062006 B CN103062006 B CN 103062006B CN 201210554632 A CN201210554632 A CN 201210554632A CN 103062006 B CN103062006 B CN 103062006B
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- cylinder
- slurry
- hydraulic jack
- conveying cylinder
- conveying
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 39
- 239000002002 slurry Substances 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of Double-cylinder piston type mortar pump, comprise conveying cylinder, the first hydraulic jack, the second hydraulic jack, discharge nozzle, the first discharge pipe, the second discharge pipe, the first pulp-absorbing pipe, the second pulp-absorbing pipe; First hydraulic jack is connected with the left end piston rod of conveying cylinder, and the second hydraulic jack is connected with the right-hand member piston rod of conveying cylinder, and the first hydraulic jack and the second hydraulic jack drive the reciprocating motion of the pistons of conveying cylinder; First discharge pipe is connected with the conveying left chamber of cylinder, is provided with the first slurry-supplying valve in its pipeline; First pulp-absorbing pipe is connected with the left chamber of conveying cylinder, is provided with the first slurry-inlet valve in its pipeline; Second discharge pipe is connected with the conveying right chamber of cylinder, is provided with the second slurry-supplying valve in its pipeline; Second pulp-absorbing pipe is connected with the right chamber of conveying cylinder, is provided with the second slurry-inlet valve in its pipeline; First discharge pipe, the second discharge pipe are all connected with discharge nozzle.Continuity, uniformity, the good stability of discharging in mortar pump pumping of the present invention.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of Double-cylinder piston type mortar pump.
Background technique
At present, in mortar pump, mostly adopt screw pump to carry out pumping mortar, it is simple that screw pump has structure, the advantages such as cost is lower, and pumping is continuous, but screw rod very easily weares and teares, change screw rod costly, piston-type mortar pump has long service life, changes the advantages such as piston cost is low.
In prior art, have some piston-type mortar pumps to adopt actuated by cams reciprocating motion of the pistons, mechanical structure is comparatively complicated, and cost is higher, become discharge capacity adjustment operation complicated, and slewing range is little.There are some mortar pumps to adopt the to-and-fro motion of connecting rod driven plunger, easily produce eccentric force, cause Fast Wearing between piston and piston cylinder, become discharge capacity adjustment operation complicated, and slewing range is little simultaneously.Have some mortar pumps to adopt a hydraulic jack to drive, promote hydraulicdirectional control valve realize commutation by limiting stopper, this mortar pump can not realize becoming discharge capacity and regulate, and meanwhile, piston carries out stock when pump journey; Piston carries out suction when backhaul, does not enter stock.And the backward stroke of the piston time is longer, mortar pump pumping discrete is comparatively obvious.
Summary of the invention
In view of this, the present invention proposes a kind of Double-cylinder piston type mortar pump, to solve the continuity of discharging in mortar pump pumping, uniformity and stability problem.
On the one hand, the invention provides a kind of Double-cylinder piston type mortar pump, comprise conveying cylinder, the first hydraulic jack, the second hydraulic jack, discharge nozzle, the first discharge pipe, the second discharge pipe, the first pulp-absorbing pipe, the second pulp-absorbing pipe; First hydraulic jack is connected with the left end piston rod of conveying cylinder, and the second hydraulic jack is connected with the right-hand member piston rod of conveying cylinder, and the first hydraulic jack and the second hydraulic jack drive the reciprocating motion of the pistons of conveying cylinder; First discharge pipe is connected with the conveying left chamber of cylinder, is provided with the first slurry-supplying valve in its pipeline; First pulp-absorbing pipe is connected with the left chamber of conveying cylinder, is provided with the first slurry-inlet valve in its pipeline; Second discharge pipe is connected with the conveying right chamber of cylinder, is provided with the second slurry-supplying valve in its pipeline; Second pulp-absorbing pipe is connected with the right chamber of conveying cylinder, is provided with the second slurry-inlet valve in its pipeline; First discharge pipe, the second discharge pipe are all connected with discharge nozzle.
Further, also comprise return pipe and slurry traversing valve, slurry traversing valve is arranged on return pipe and is connected in pipeline with discharge nozzle.
Further, the first slurry-inlet valve, the first slurry-supplying valve, the second slurry-inlet valve, the second slurry-supplying valve are ball valve.
Further, carry the sucking-off doses in the sucking-off doses in the left chamber of cylinder and right chamber equal.
Further, the two end part, left and right of conveying cylinder are provided with multi-stage sealed device, and the right-hand member piston rod of conveying cylinder coordinates with the multi-stage sealed device of conveying cylinder right-hand member, and the left end piston rod of conveying cylinder coordinates with the multi-stage sealed device of conveying cylinder left end.
Further, the lubrication system to multistage dense unit feeding lubricating grease is also comprised.
Further, series flow control valve is provided with in the hydraulic oil-returning road of the first hydraulic jack and the second hydraulic jack.
A kind of Double-cylinder piston type mortar pump beneficial effect provided by the invention is: one, two hydraulic jacks are adopted to drive, conveying cylinder reciprocating stroke is all in stock state, and make the continuity of discharging in mortar pump pumping, uniformity, good stability, pumping height is high.Its two, conveying cylinder two ends adopt Multilayer sealing device, and Multilayer sealing device supplies lubricating grease automatically by lubrication system, improve working life of piston rod, effectively decrease the wearing and tearing of piston rod while ensureing sealing.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is Double-cylinder piston type mortar pump schematic diagram of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of Double-cylinder piston type mortar pump comprises: comprise conveying cylinder 1, first hydraulic jack 20, second hydraulic jack 21, discharge nozzle 5, first discharge pipe 30, second discharge pipe 40, first pulp-absorbing pipe 31, second pulp-absorbing pipe 41, return pipe 7, slurry traversing valve 6.
First hydraulic jack 20 is connected with the left end piston rod 11 of conveying cylinder 1, and the second hydraulic jack 21 is connected with the right-hand member piston rod 12 of conveying cylinder 1.First hydraulic jack 20 and the second hydraulic jack 21 drive the reciprocating motion of the pistons of conveying cylinder 1.First discharge pipe 30 is connected with the conveying left chamber of cylinder 1, is provided with the first slurry-supplying valve 301 in its pipeline; First pulp-absorbing pipe 31 is connected with the left chamber of conveying cylinder 1, is provided with the first slurry-inlet valve 310 in its pipeline; Second discharge pipe 40 is connected with the conveying right chamber of cylinder 1, is provided with the second slurry-supplying valve 401, second pulp-absorbing pipe 41 and is connected with the right chamber of conveying cylinder 1, be provided with the second slurry-inlet valve 410 in its pipeline in its pipeline; First discharge pipe 30, second discharge pipe 40 is all connected with discharge nozzle 5.The left chamber sucking-off doses of conveying cylinder 1 is equal with right chamber sucking-off doses.The two end part, left and right of conveying cylinder 1 are provided with multi-stage sealed device 13,14, and the right-hand member piston rod 12 of conveying cylinder 1 coordinates with the multi-stage sealed device 14 of conveying cylinder 1 right-hand member, and the left end piston rod 11 of conveying cylinder 1 coordinates with the multi-stage sealed device 13 of conveying cylinder 1 left end.Multi-stage sealed device 13,14 is for sealing the chamber, left and right two of conveying cylinder 1.Multi-stage sealed device 13,14 is provided with the lubrication system of supply lubricating grease automatically, right-hand member piston rod 12 and left end piston rod 11 are lubricated.First slurry-inlet valve 310, first slurry-supplying valve 301, second slurry-inlet valve 410, second slurry-supplying valve 401 is ball valve.
Double-cylinder piston type mortar pump working procedure is as follows:
The right-hand member rodless cavity oil-feed of the second hydraulic jack 21, promote right-hand member piston rod 12 and be moved to the left, piston 10 is moved to the left.The left cavity pressure of conveying cylinder 1 increases, and the first slurry-supplying valve 301 is opened, and the first slurry-inlet valve 310 is closed, and mortar, under the promotion of piston 10, is pumped by the first discharge pipe 30 and discharge nozzle 5.Meanwhile, the right cavity pressure of conveying cylinder 1 reduces, and mortar is inhaled in the right chamber of conveying cylinder 1, and the first slurry-supplying valve 401 is closed, and the first slurry-inlet valve 410 is opened, and mortar sucks the conveying right chamber of cylinder 1 by the second pulp-absorbing pipe 41.
When piston 10 moves to high order end, the first hydraulic jack 20 left end rodless cavity oil-feed, promote left end piston rod 11 and move right, piston 10 moves right.The right cavity pressure of conveying cylinder 1 increases, and conveying cylinder 1 right chamber pump mortar, the first slurry-supplying valve 401 is opened, and the first slurry-inlet valve 410 is closed, and mortar is pumped by the second discharge pipe 40 and discharge nozzle 5.Meanwhile, the left cavity pressure of conveying cylinder 1 reduces, and mortar is inhaled in the left chamber of conveying cylinder 1, and the first slurry-supplying valve 301 is closed, and the first slurry-inlet valve 310 is opened, and mortar sucks the conveying left chamber of cylinder 1 by the first pulp-absorbing pipe 31.When piston 10 moves to low order end, the second hydraulic jack 21 oil-feed.
Piston 10 is in reciprocatory movement, and discharge nozzle all has mortar to discharge, and adopt two hydraulic jacks to drive, ensure that the continuity of discharging, uniformity, stability, turn around time is short simultaneously.And the left chamber sucking-off doses of conveying cylinder 1 is equal with right chamber sucking-off doses, further increases the continuity of discharging, uniformity, stability, reduces discharge nozzle and be used for discharging and pulse the vibration noise taken to.Multi-stage sealed device 13,14 makes piston 10 in reciprocatory movement, ensure the sealability that conveying cylinder 1 is good, multi-stage sealed device 13,14 has lubricating grease hole simultaneously, lubricating grease is provided between right-hand member piston rod 12,11 and multi-stage sealed device 13,14 left, the wearing and tearing between minimizing by lubrication system.
Supply in the hydraulic system of hydraulic energy to the first hydraulic jack 20 and the second hydraulic jack 21, in its hydraulic oil-returning road, be provided with series flow control valve or throttle valve.The first hydraulic jack 20 and the second hydraulic jack 21 commutation number of times per minute is changed by regulating the first hydraulic jack 20 and the second hydraulic jack 21 filler opening discharge capacity, thus regulate Double-cylinder piston type mortar pump pump displacement, because series flow control valve or throttle valve can step-less adjustment hydraulic oil discharge capacities, therefore Double-cylinder piston type mortar pump pump displacement also can step-less adjustment, and discharge capacity regulative mode also Available Variables pump realizes.
Slurry traversing valve 6 is arranged on return pipe 7 and is connected in pipeline with discharge nozzle 5.When Double-cylinder piston type mortar pump quits work, slurry traversing valve 6 is opened, and mortar residual in discharge nozzle 5, is discharged by return pipe 7.Meanwhile, when cleaning discharge nozzle 5, slurry traversing valve 6 is opened, and cleans discharge nozzle.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a Double-cylinder piston type mortar pump, it is characterized in that, comprise conveying cylinder (1), the first hydraulic jack (20), the second hydraulic jack (21), discharge nozzle (5), the first discharge pipe (30), the second discharge pipe (40), the first pulp-absorbing pipe (31), the second pulp-absorbing pipe (41); First hydraulic jack (20) is connected with the left end piston rod (11) of conveying cylinder (1), second hydraulic jack (21) is connected with the right-hand member piston rod (12) of conveying cylinder (1), and the first hydraulic jack (20) and the second hydraulic jack (21) drive the reciprocating motion of the pistons of conveying cylinder (1); First discharge pipe (30) is connected with conveying cylinder (1) left chamber, is provided with the first slurry-supplying valve (301) in its pipeline; First pulp-absorbing pipe (31) is connected with the left chamber of conveying cylinder (1), is provided with the first slurry-inlet valve (310) in its pipeline; Second discharge pipe (40) is connected with conveying cylinder (1) right chamber, the second slurry-supplying valve (401) is provided with in its pipeline, second pulp-absorbing pipe (41) is connected with the right chamber of conveying cylinder (1), is provided with the second slurry-inlet valve (410) in its pipeline; First discharge pipe (30), the second discharge pipe (40) are all connected with discharge nozzle (5);
Also comprise return pipe (7) and slurry traversing valve (6), slurry traversing valve (6) is arranged on return pipe (7) and is connected in pipeline with discharge nozzle (5).
2. Double-cylinder piston type mortar pump according to claim 1, it is characterized in that, the first slurry-inlet valve (310), the first slurry-supplying valve (301), the second slurry-inlet valve (410), the second slurry-supplying valve (401) are ball valve.
3. Double-cylinder piston type mortar pump according to claim 1, is characterized in that, the sucking-off doses in conveying cylinder (1) left chamber is equal with the sucking-off doses in right chamber.
4. the Double-cylinder piston type mortar pump according to any one of claims 1 to 3, it is characterized in that, the two end part, left and right of conveying cylinder (1) are provided with multi-stage sealed device (13,14), the right-hand member piston rod (12) of conveying cylinder (1) coordinates with the conveying multi-stage sealed device of cylinder (1) right-hand member (14), and the left end piston rod (11) of conveying cylinder (1) coordinates with the conveying multi-stage sealed device of cylinder (1) left end (13).
5. Double-cylinder piston type mortar pump according to claim 4, is characterized in that, also comprises the lubrication system to multistage dense unit feeding lubricating grease.
6. the Double-cylinder piston type mortar pump according to any one of claims 1 to 3, is characterized in that, is provided with series flow control valve in the hydraulic oil-returning road of the first hydraulic jack (20) and the second hydraulic jack (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554632.3A CN103062006B (en) | 2012-12-19 | 2012-12-19 | A kind of Double-cylinder piston type mortar pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554632.3A CN103062006B (en) | 2012-12-19 | 2012-12-19 | A kind of Double-cylinder piston type mortar pump |
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| Publication Number | Publication Date |
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| CN103062006A CN103062006A (en) | 2013-04-24 |
| CN103062006B true CN103062006B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210554632.3A Active CN103062006B (en) | 2012-12-19 | 2012-12-19 | A kind of Double-cylinder piston type mortar pump |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615428B (en) * | 2013-12-03 | 2016-02-10 | 三一汽车制造有限公司 | Hydraulic jack and pumping mechanism and thick slurry product pump |
| CN105781951B (en) * | 2014-12-26 | 2017-08-25 | 中联重科股份有限公司 | Mortar pump control method, device and system and mortar pump |
| CN105971255B (en) * | 2016-06-28 | 2018-06-05 | 温州市华宁建筑机械有限公司 | double-cylinder piston type mortar spraying machine |
| CN108302002B (en) * | 2018-03-28 | 2024-06-04 | 天津融渌众乐科技有限公司 | Temperature difference driven pump system with pressure adjustment control |
| CN108425824A (en) * | 2018-03-28 | 2018-08-21 | 天津融渌众乐科技有限公司 | A kind of mysterious conjugation pumping system of temperature difference driving |
| CN108799039B (en) * | 2018-06-06 | 2023-06-30 | 徐州吉安矿业科技有限公司 | High-viscosity transfer pump device incapable of flowing slurry automatically |
| CN109441757A (en) * | 2018-12-18 | 2019-03-08 | 吴加银 | A kind of plunger type mortar conveying device |
| CN109779872A (en) * | 2019-03-06 | 2019-05-21 | 浙江森友环保成套设备有限公司 | A kind of big flow filter press feed pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6270323B1 (en) * | 1999-10-22 | 2001-08-07 | Tien-Lung Hsu | Hydraulic power conversion device |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN102434421A (en) * | 2011-12-05 | 2012-05-02 | 三一重工股份有限公司 | Piston type mortar pump and pumping system thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8061179B2 (en) * | 2008-08-12 | 2011-11-22 | GM Global Technology Operations LLC | High pressure dual-action hydraulic pump |
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2012
- 2012-12-19 CN CN201210554632.3A patent/CN103062006B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6270323B1 (en) * | 1999-10-22 | 2001-08-07 | Tien-Lung Hsu | Hydraulic power conversion device |
| CN201730780U (en) * | 2010-06-18 | 2011-02-02 | 宝鸡石油机械有限责任公司 | Hydraulically driven difunctional multi-cylinder slurry pump |
| CN102434421A (en) * | 2011-12-05 | 2012-05-02 | 三一重工股份有限公司 | Piston type mortar pump and pumping system thereof |
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| CN103062006A (en) | 2013-04-24 |
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| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: Sany Automobile Manufacturing Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: SANY HEAVY INDUSTRY Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
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