CN103016289A - Hydraulic direct-drive type mud pump - Google Patents
Hydraulic direct-drive type mud pump Download PDFInfo
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- CN103016289A CN103016289A CN2012105284689A CN201210528468A CN103016289A CN 103016289 A CN103016289 A CN 103016289A CN 2012105284689 A CN2012105284689 A CN 2012105284689A CN 201210528468 A CN201210528468 A CN 201210528468A CN 103016289 A CN103016289 A CN 103016289A
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Abstract
The invention discloses a hydraulic direct-drive type mud pump which comprises a work part and an oil distribution part. The hydraulic direct-drive type mud pump is characterized in that the work part comprises working assemblies of an even number which is equal to or greater than four; and each working assembly comprises an oil cylinder, a water cylinder and a pump head which are sequentially connected with one another, wherein the oil cylinder is provided with a piston, and the water cylinder is provided with a drainage piston. Compared with the traditional mud pump, in the case of the same output flow, the hydraulic direct-drive type mud pump is small in size and has the weight which is 1/3-1/4 that of the traditional mud pump, and the energy can be saved by over 20% in the case that an automatic-variable hydraulic system is adopted.
Description
Technical field
The invention belongs to slurry pump, be specifically related to a kind of hydraulic direct-drive formula slurry pump.
Background technique
Slurry pump is widely used in ocean, land oil drilling, water power, water conservancy, construction engineering foundation grouting and slip casting, and physical prospecting, high-pressure rotary-spray is in the mechanical executions such as non-excavation.Slurry pump still adopts the mechanically operated form of construction work of the technology bent axle fifties in last century mostly at present, only have the unit of minority to adopt the comparatively slurry pump of advanced hydraulic motor transmission, but because the bent axle that the slurry pump of this motor type still adopts adds the transmission of speed change gear, so it is not fully hydraulic driven truly, can only be at last the slurry pump of half mechanical half hydraulic pressure, the shortcoming such as these several slurry pump all exist can not be dissolved in the automation control program fully, required drive is large, quality is large and mechanical wear is fast.Continuous high speed development renewal along with world's engineering machinery, all-hydraulic and full-automatic engineering machinery has progressively replaced the Developing mainstream that legacy equipment becomes mechanical execution, therefore, can be adapted to any all-hydraulicly and automation engineering is mechanical, really incorporate its employed hydraulic system, and can realize that the online slurry pump of with it automation control becomes the most important thing of this field innovation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of lightweight, volume is little, the output energy is large, mechanical wear is little, energy-conservation and easily realize the hydraulic direct-drive formula slurry pump of automation control.
The technological scheme that realizes the object of the invention employing is as follows:
Hydraulic direct-drive formula slurry pump provided by the invention comprises working portion and joins oily part; Described working portion comprises and is equal to or greater than 4 even number work package that each work package comprises the oil cylinder of establishing piston, the water vat of establishing the draining piston and the pump head that connects successively; The described oil part of joining comprises oil distributing member, is located at oil distributing valve on the oil distributing member, is located at the ratchet shaft in the oil distributing member, described oil distributing valve comprises the oil distributing valve core in valve seat and the valve seat, described ratchet shaft is provided with the ratchet corresponding with the oil cylinder difference in described each work package, and an end of ratchet shaft is connected with described oil distributing valve core; Described in-oil cylinder piston is provided with forward and backward piston rod, piston adopts tooth to cooperate with described to ratchet that should oil cylinder by the back piston bar, and be connected with the draining piston of water vat by the secondary piston bar, forward and backward two of the inherent piston of oil cylinder is respectively equipped with the serial connection oil pocket and advances oil pocket; Described oil distributing valve is communicated with the propelling oil pocket of oil cylinder in described each work package respectively by oil duct, and per two oil cylinders are interconnected by the serial connection oil pocket and consist of the oil cylinder group in the work package.
The present invention also comprises oil hydraulic motor and the sequence valve that is communicated with oil hydraulic motor, and described oil hydraulic motor is located on the oil distributing member and is connected with the other end of described ratchet shaft.
Described work package is 4 groups, comprises two group oil cylinders of every group of 2 oil cylinders, and 1/2 pitch circumference of hook tooth is the running length of described oil cylinder piston on the ratchet; Oil distributing valve core in the described oil distributing valve is under described ratchet shaft drives, it is that oil is joined in 90 rotations of spending that the control oil distributing valve carries out angular difference by oil duct to 4 oil cylinders, the oily angular difference of joining between two oil cylinders in the described oil cylinder group is 180 degree, and the oily angular difference of joining between two oil cylinder groups is 90 degree.
The additional oil duct that described oil cylinder is equipped with one-way valve is communicated with the serial connection oil pocket and advances oil pocket.
Oil cylinder, water vat and pump head in the described all working assembly is combined into respectively oil cylinder integration module, water vat integration module and pump head integration module, describedly join oil part and oil hydraulic motor, sequence valve composition are joined oily integration module, described these module group all-in-one-piece bodies, described oil duct is located in the described body.
Beneficial effect of the present invention:
1, in traditional slurry pump situation of the identical output flow of contrast, the 1/3-1/4 that volume of the present invention is little, weight only has traditional slurry pump, energy-conservation more than 20% in the situation that adopts the automatic variable hydraulic system.
2, in engineering machinery constantly to the epoch that automation strides forward, the present invention can incorporate its automated procedures easily fully.
What 3, the present invention adopted is hydraulic jack direct-push type structure, can also carry out the output of delivery in the output maximum pressure, and this is inaccessiable absolutely at traditional slurry pump.
4, because mechanical wear is little and the draining piston can adopt lubricating system, so the present invention has substantially exceeded the working life of traditional slurry pump.
Further specify technological scheme of the present invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the AA of Fig. 1 is to view.
Fig. 3 is that the BB of Fig. 1 is to view.
Fig. 4, Fig. 5 are respectively the working state schematic representations that replenishes oil duct among the present invention.
Embodiment
See Fig. 1-Fig. 3, hydraulic direct-drive formula slurry pump, hydraulic direct-drive formula slurry pump provided by the invention comprises working portion and joins oily part; Described working portion comprises 4 groups of work packages, each work package comprises the oil cylinder of establishing piston 5, the water vat of establishing draining piston 12 and the pump head that connects successively, comprise altogether 4 oil cylinder I, II, III, IV, 4 water vats and 4 pump heads, water vat and pump head are prior art; Oil cylinder comprises cylinder body 17, is located at the oil cylinder cover 9 in the cylinder body 17, and piston 5 is located in the oil cylinder cover 9; Water vat comprises water vat body 15, is located at the water vat cover 13 in the water vat body 15, and draining piston 12 is located in the water vat cover 13, and water vat body 15 is provided with water vat and overlaps peep hole 11 and the pollutant exhaust hole 16 that 13 inner chambers are communicated with; The described oil part of joining is wrapped oil distributing member 18, is located at oil distributing valve on the oil distributing member 18, is located at the ratchet shaft 2 in the oil distributing member 18, described oil distributing valve comprises the oil distributing valve core 25 in valve seat 24 and the valve seat 24, valve seat 24 is provided with filler opening 29, return opening 28 and sequence valve 22, and sequence valve 22 is provided with oil outlet 23 and regulating handle 3; Described ratchet shaft 2 is provided with the ratchet 27 corresponding with the oil cylinder difference in described each work package, and ratchet 27 is provided with hook tooth 26, and an end of ratchet shaft 2 is connected with described oil distributing valve core 25; Described in-oil cylinder piston 5 is provided with forward and backward piston rod 6,1, the back piston bar 1 of piston 5 is provided with tooth bar and with described hook tooth 26 on should the ratchet 27 of oil cylinder 5 is cooperated, piston 5 is connected with the draining piston 12 of water vat by secondary piston bar 6, and forward and backward two of the inherent piston 5 of oil cylinder is respectively equipped with serial connection oil pocket 10 and advances oil pocket 4; Described oil distributing valve is communicated with the propelling oil pocket 4 of oil cylinder in described each work package respectively by oil duct, work package comprises two group oil cylinders, wherein oil cylinder I, II are one group, oil cylinder III, IV are one group, and the oil duct that their the serial connection oil pocket 4 of two oil cylinders (oil cylinder I, II and oil cylinder III, IV) in each group is established by other is interconnected and consists of the oil cylinder group; Also be provided with oil hydraulic motor 19 on the described oil distributing member 18, the output oil port 23 of sequence valve 22 is connected with the filler opening 30 of oil hydraulic motor 19, and oil hydraulic motor 19 is connected with the other end of ratchet shaft 2;
1/2 pitch circumference of hook tooth 26 is the running length of described oil cylinder piston 5 on the described ratchet 27; Oil distributing valve core 25 in the described oil distributing valve is under described ratchet shaft 2 drives, it is that oil is joined in 90 rotations of spending that the control oil distributing valve carries out angular difference by oil duct 21 (a, b, c, d) to 4 oil cylinders, in two oil cylinder groups, the oily angular difference of joining of oil cylinder I, II is 180 degree, the oily angular difference of joining of oil cylinder III, IV is 180 degree, and the oily angular difference of joining between oil cylinder group (oil cylinder I, II) and the oil cylinder group (oil cylinder III, IV) is 90 degree;
The additional oil duct 8 that described oil cylinder is equipped with one-way valve 7 connects serial connection oil pocket 10 and advances oil pocket 4;
Oil cylinder in all working assembly, water vat and pump head are combined into respectively oil cylinder integration module 32, water vat integration module 33 and pump head integration module 14; Described oil distributing member 18, oil distributing valve, ratchet shaft 2, ratchet 27 and the compositions such as oil hydraulic motor 19, sequence valve 22 of joining the oil part are joined oily integration module 31, described these modules 14,31,32,33 groups of all-in-one-piece bodies, and described oil duct is located in the described body.
Oil distributing valve and sequence valve are connected in the main system oil circuit, with the filler opening 29 on the pressure oil access oil distributing valve of hydraulic system, with the fuel tank of the return opening 28 access hydraulic systems on the oil distributing valve.When beginning just to have one pressure oil behind the slurry pump fuel feeding, hydraulic system leads to wherein 2 oil cylinders among 4 oil cylinder I, II, III, the IV, and promotion oil cylinder piston 5 setting in motions, this moment oil cylinder piston 5 back piston bar 1 on tooth bar just drive hook tooth 26 and ratchet shaft 2 and begin to rotate, so because to join that oil distributing valve core 25 in the oil distributing valve on the oily integration module 31 and the ratchet shaft 2 concentric oil distributing valve cores 25 that link to each other also begin by hydraulic fluid port a, b, c, the d that joins oily integration module 31 internal oil channels 21 4 oil cylinder I, II, III, IV to be carried out angular difference be that oil is joined in 90 rotations of spending.This moment, oil cylinder integration module 32 interior 4 oil cylinder I, II, III, IV just began to do the regular to-and-fro motion that angular difference is 90 degree, its rule be between oil cylinder I, the II to join oily angular difference be 180 degree, the oily angular difference of joining between oil cylinder III, the IV is 180 degree, the oily angular difference of joining between oil cylinder group (oil cylinder I, II) and the oil cylinder group (oil cylinder III, IV) is 90 to spend.Because oil cylinder I, II are connected by serial connection oil pocket 10 respectively with oil cylinder II, IV and are that 180 degree are joined oily angular difference, so the backhaul of oil cylinder I, II, III, IV does not need to finish with the flow of system in the rule to-and-fro motion.Referring to Fig. 4, Fig. 5, serial connection oil pocket 10 at oil cylinder I does not have under oil or the few oil condition, piston 5 among the oil cylinder I is to the space that can occur a segment distance L between the left line way limit position, at this moment the movement position of the piston 5 among the oil cylinder II can be crossed the additional oil duct 8 on the oil cylinder cover 9, one-way valve 7 on this oil cylinder II is opened, pressure oil is by replenishing oil duct 8 and serial connection oil pocket 10 to oil cylinder I makeup oil, if serial connection oil pocket 10 is in oil-overflow state, just can not surmounting, the movement position of oil cylinder II piston 5 do not replenish oil duct 8.The draining piston 12 that directly promotes to be connected on the oil cylinder secondary piston bar 6 after each oil cylinder I, II, III, IV normal operation is done regular to-and-fro motion, makes it to finish the discharging water work of slurry pump.Observation panel 11 on the water vat integration module 33 draining piston 12 lubricant oil that are used for annotating are just opened sewage draining exit 16 with it cleaning when draining piston 12 wear and leakage liquid.
Oil hydraulic motor 19 is state of dormancy or idle state under normal circumstances, whether its unlatching depends on the set cracking pressure of sequence valve 22 adjusted handles 3, moment only appears under the slurry pump abnormal condition when crashing, thereby slurry pump can moment produces that system high pressure is opened sequence valve 22 and to oil hydraulic motor 19 fuel feeding, oil hydraulic motor 10 meeting drive motor ratchets 20 made and joined oily oil distributing valve core 25 rotations and allow slurry pump reply normal operation this moment, and oil hydraulic motor 19 is got back to again state of dormancy afterwards.
The present invention can also adopt quantity greater than 4 even number work package, and wherein oil is joined at the oily angle of joining that the fuel oil meter rule spends by n even number work package/360 of joining of oil cylinder.
Claims (5)
1. a hydraulic direct-drive formula slurry pump comprises working portion and joins oily part; It is characterized in that described working portion comprises is equal to or greater than 4 even number work package, and each work package comprises the oil cylinder of establishing piston, the water vat of establishing the draining piston and the pump head that connects successively; The described oil part of joining comprises oil distributing member, is located at oil distributing valve on the oil distributing member, is located at the ratchet shaft in the oil distributing member, described oil distributing valve comprises the oil distributing valve core in valve seat and the valve seat, described ratchet shaft is provided with the ratchet corresponding with the oil cylinder difference in described each work package, and an end of ratchet shaft is connected with described oil distributing valve core; Described in-oil cylinder piston is provided with forward and backward piston rod, piston adopts tooth to cooperate with described to ratchet that should oil cylinder by the back piston bar, and be connected with the draining piston of water vat by the secondary piston bar, forward and backward two of the inherent piston of oil cylinder is respectively equipped with the serial connection oil pocket and advances oil pocket; Described oil distributing valve is communicated with the propelling oil pocket of oil cylinder in described each work package respectively by oil duct, and per two oil cylinders are interconnected by the serial connection oil pocket and consist of the oil cylinder group in the work package.
2. hydraulic direct-drive formula slurry pump according to claim 1 is characterized in that also comprising oil hydraulic motor and the sequence valve that is communicated with oil hydraulic motor, and described oil hydraulic motor is located on the oil distributing member and is connected with the other end of described ratchet shaft.
3. hydraulic direct-drive formula slurry pump according to claim 1 and 2 is characterized in that described work package is 4 groups, comprises two oil cylinder groups, and 1/2 pitch circumference of hook tooth is the running length of described oil cylinder piston on the ratchet; Oil distributing valve core in the described oil distributing valve is under described ratchet shaft drives, it is that oil is joined in 90 rotations of spending that the control oil distributing valve carries out angular difference by oil duct to 4 oil cylinders, the oily angular difference of joining between two oil cylinders in the described oil cylinder group is 180 degree, and the oily angular difference of joining between two oil cylinder groups is 90 degree.
4. hydraulic direct-drive formula slurry pump according to claim 3 is characterized in that the additional oil duct that described oil cylinder is equipped with one-way valve is communicated with the serial connection oil pocket and advances oil pocket.
5. hydraulic direct-drive formula slurry pump according to claim 4, it is characterized in that oil cylinder, water vat and pump head in the described all working assembly are combined into respectively oil cylinder integration module, water vat integration module and pump head integration module, describedly join oil part and oil hydraulic motor, sequence valve composition are joined oily integration module, described these module group all-in-one-piece bodies, described oil duct is located in the described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528468.9A CN103016289B (en) | 2012-12-11 | 2012-12-11 | Hydraulic direct-drive type mud pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528468.9A CN103016289B (en) | 2012-12-11 | 2012-12-11 | Hydraulic direct-drive type mud pump |
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| Publication Number | Publication Date |
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| CN103016289A true CN103016289A (en) | 2013-04-03 |
| CN103016289B CN103016289B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210528468.9A Expired - Fee Related CN103016289B (en) | 2012-12-11 | 2012-12-11 | Hydraulic direct-drive type mud pump |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470771A (en) * | 1982-08-20 | 1984-09-11 | Towler Hydraulics, Inc. | Quadraplex fluid pump |
| WO1986003560A1 (en) * | 1984-12-12 | 1986-06-19 | Birdwell J C | Mud pump |
| CN2339782Y (en) * | 1998-06-08 | 1999-09-22 | 石油大学(华东) | Three-cylinder single-action hydraulic driven reciprocating plunger pump |
| CN1834473A (en) * | 2006-04-05 | 2006-09-20 | 李星宇 | Hydraulic driver |
| CN201236777Y (en) * | 2008-07-28 | 2009-05-13 | 李星宇 | Hydraulic slush pump |
| CN202991385U (en) * | 2012-12-11 | 2013-06-12 | 李星宇 | Hydraulic direct drive slurry pump |
-
2012
- 2012-12-11 CN CN201210528468.9A patent/CN103016289B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470771A (en) * | 1982-08-20 | 1984-09-11 | Towler Hydraulics, Inc. | Quadraplex fluid pump |
| WO1986003560A1 (en) * | 1984-12-12 | 1986-06-19 | Birdwell J C | Mud pump |
| CN2339782Y (en) * | 1998-06-08 | 1999-09-22 | 石油大学(华东) | Three-cylinder single-action hydraulic driven reciprocating plunger pump |
| CN1834473A (en) * | 2006-04-05 | 2006-09-20 | 李星宇 | Hydraulic driver |
| CN201236777Y (en) * | 2008-07-28 | 2009-05-13 | 李星宇 | Hydraulic slush pump |
| CN202991385U (en) * | 2012-12-11 | 2013-06-12 | 李星宇 | Hydraulic direct drive slurry pump |
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| CN103016289B (en) | 2015-04-15 |
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Granted publication date: 20150415 Termination date: 20161211 |