CN201560907U - Ultrahigh pressure closed-type axial plunger pump - Google Patents

Ultrahigh pressure closed-type axial plunger pump Download PDF

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Publication number
CN201560907U
CN201560907U CN2009202643147U CN200920264314U CN201560907U CN 201560907 U CN201560907 U CN 201560907U CN 2009202643147 U CN2009202643147 U CN 2009202643147U CN 200920264314 U CN200920264314 U CN 200920264314U CN 201560907 U CN201560907 U CN 201560907U
Authority
CN
China
Prior art keywords
pump
cylinder
plunger
main shaft
servopiston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202643147U
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Chinese (zh)
Inventor
黄振来
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUANZHOU MICKERS HYDRAULIC TECHNOLOGY CO LTD
Original Assignee
QUANZHOU MICKERS HYDRAULIC TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by QUANZHOU MICKERS HYDRAULIC TECHNOLOGY CO LTD filed Critical QUANZHOU MICKERS HYDRAULIC TECHNOLOGY CO LTD
Priority to CN2009202643147U priority Critical patent/CN201560907U/en
Application granted granted Critical
Publication of CN201560907U publication Critical patent/CN201560907U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an ultrahigh pressure closed-type axial plunger pump. A pump body and a rear cover are combined to be into a whole; the tail part of the rear cover is provided with a charging pump, a pump body of a main pump and the center of the charging pump is provided with a rotating main shaft; a cylinder body is sheathed on the main shaft which drives the cylinder body to rotate, and simultaneously, the cylinder body also drives a plunger to rotate together; the plunger is arranged in a plunger hole; the rear end surface of the cylinder body and an oil distributing disk are matched and sealed; the oil distributing disk is matched with a rear cover of a hydraulic pump and has the same sealing function; a plunger sliding shoe is supported on the surface of a retainer plate, and the retainer plate is supported by a swinger which is supported by two crescent-shaped bearings; and a swinging arm is inserted onto a servo piston which is installed in the main pump body; a piston moves to drive the swinger to move so as to play the role of changing the displacement of the hydraulic pump; the front end of the cylinder body is a spherical hinge and communicated with the main shaft through the swinger; and the pump body is provided with a cleaning and exhaust port which is plugged by a plug. The ultrahigh pressure closed-type axial plunger pump has the advantages of long service life, high efficiency, temperature resistance, abrasion resistance and the like.

Description

Ultrahigh pressure enclosed axial piston pump
Technical field
The utility model discloses a kind of ultrahigh pressure enclosed axial piston pump, belongs to plunger pump class manufacturing technology field.
Background technique
Along with the intensification in market, plunger pump manufacturing enterprise continues to bring out, different manufacturers, and the plunger pump product of model is more and more.Because there is the maintenance requirement height in hydraulic transmission itself, the characteristics that break down and be difficult for finding out are had relatively high expectations for plant maintenance and after sales service, when equipment breaks down, if can not get repairing timely rapidly, cause damp production, will bring enormous economic loss to the user.Therefore the user must take all factors into consideration aspect factors such as pump performance, reliability, energy-conserving and environment-protective when selecting oil hydraulic pump, reasonably selects oil hydraulic pump.
At present oil hydraulic pump, oil hydraulic motor, the hydrovalve of China have a lot of still from external import, core component is provided with heavy technology barriers especially, compatriots are difficult to have a finger in every pie.Though domestic have at present producer such as power source hydraulic pressure, magnificent moral hydraulic pressure, planning to manufacture experimently the related fluid die pressing product, its quality level with abroad compare, have a long way to go, quality life-span is short, the rate of fault height.
Summary of the invention
At the deficiency of existing plunger pump technique, the utility model provides a kind of rational in infrastructure, long service life, particularly has been fit to the ultrahigh pressure axial piston pump of worst cold case operation down, can realize that higher operational efficiency, multiple variable format are for selecting.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of ultrahigh pressure enclosed axial piston pump, comprise the pump housing, this pump housing and bonnet are combined as a whole, the bonnet afterbody is equipped with a slippage pump, the main pump pump housing and slippage pump center are provided with rotating spindle, cylinder body is placed on the main shaft, main shaft drives the cylinder body rotation, the while cylinder body also drives plunger and rotates together, plunger is arranged in the plunger hole, the ear end face of cylinder body cooperates with oil distribution casing and seals, oil distribution casing is the bonnet of dosing press pump again, plunger piston slippery boots is supported the backhaul panel surface, the backhaul dish is by waving supporting, wave by two crescent moon bearing supportings, swinging arm inserts in above the servopiston, servopiston is loaded in the main pump body, a spring location wherein is housed on one side, the piston moving belt shakes moving of pendulum, reaches the effect of doing that changes hydraulic pump discharge thereby play, and the displacement amount of servopiston is controlled by control valve, the sliding pressure of servopiston is provided by slippage pump, slippage pump is returned the repairing of main pump collection chamber except that this effect, the amplitude of oscillation size of waving is regulated by control valve, and the minimax amplitude of oscillation is regulated by the servopiston adjusting screw rod.
Further, the front end of described cylinder body is ball pivot and links to each other by waving with main shaft that the described pump housing is provided with cleaning, relief opening is blocked with plug.
Further, described main shaft one end is exposed to outside the pump housing and by a big bearing and a little axle supporting, big bearing is fixed in the pump housing, and little bearing fixing is in bonnet.
The described main shaft hydraulic pressure oil mass 28~250cm that discharges that whenever circles 3
Described oil distribution casing, ball pivot and wave and the surface, cooperation place of servopiston utilizes vitrification technology to be provided with nickel 62 sprayfused coatings.
Pressure of the present utility model and discharge capacity are as follows:
(1) rated pressure: oil hydraulic pump allows the maximum service pressure 45MPa of use in continuous working order.
(2) Theoretical flowing capacity: the main shaft of the oil hydraulic pump hydraulic pressure oil mass 28~250cm that discharges that whenever circles 3
(3) theoretical delivery: the liquid volume that can discharge in theory in the unit time of oil hydraulic pump.It equals the product of discharge capacity and rotating speed.
(4) unloaded discharge capacity: the ratio of rotating speed when flow is with zero load when unloaded is 95%~110% of a Theoretical flowing capacity.
(5) capacity rating: during rated pressure, the ratio of flow and rotating speed.
(6) efficient: the efficiency eta of oil hydraulic pump is an output power and the ratio of input power.The ratio of oil hydraulic pump actual flow and theoretical delivery is called volumetric efficiency η v, and oil hydraulic pump all exists volumetric loss and machinery to lose two kinds of consumption in the energy transition process, so total efficiency is the product of volumetric efficiency and mechanical efficiency, i.e. and η=η v η m.
(7) manufacturing process: oil hydraulic pump oil distribution casing, ball pivot and wave and the surface, cooperation place of servopiston all adopts new material (nickel 62 sprayings) to add the new process that vitrification is handled.
Performance specification of the present utility model is as follows:
1, pressure: the normal operating pressure of hydraulic system may be selected to be the 85%-95% of pump rated pressure in fixed equipment, and vehicle may be selected to be the 75%-85% of pump rated pressure with pump, to guarantee enough life-spans of pump;
2, flow: the flow of pump is relevant with operating mode, the peak rate of flow the when flow of the pump of selection must be greater than hydraulic work system;
3, rotating speed: rotation speed relation life-span, durability, air pocket, noise of pump etc.;
4, efficient: the efficiency value of pump is that the quality of pump embodies, and in general, should make the running parameter commonly used of main frame be in the efficient region parameter area of pump efficiency curve;
5, variable format: select different variable displacement pumps according to operating mode, from energy-conservation angle, constant pressure variable displacement pump is the basic model pump, avoids color metering pump as far as possible;
6, noise and vibration: the noise and vibration problem has become the key factor that influences the hydraulic system environmental-protecting performance, and noise and vibration makes the environmental protection situation of device context obviously affect adversely; On the other hand, the noise and vibration of hydraulic system directly has influence on the operating life of the leaking performance and the equipment unit of hydraulic equipment;
7, working life: in so-called working life, typically refer to interior pump of overhaul life in the rated condition summation of following running time;
8, size and weight: contrast the dimension and weight of various pumps, can use " specific power ", there is different requirements visual different application to " specific power ".
Description of drawings
Fig. 1 is the utility model sectional view;
Fig. 2 is the utility model schematic representation;
Fig. 3 is an explosive view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment: structure such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of enclosed axial piston pump comprises the pump housing (housing) 8, this pump housing (housing) 3 is combined as a whole with bonnet 16, bonnet 1 afterbody is equipped with a slippage pump, the main pump pump housing and slippage pump center are provided with rotating spindle 7, these main shaft 7 one ends are exposed to outside the pump housing 3 and by a big bearing and a little axle and support, big bearing is fixed in the pump housing, little bearing fixing is in bonnet, cylinder body 14 is placed on the main shaft 7, main shaft 7 drives cylinder body 14 rotations, while cylinder body 14 also drives plunger 13 and rotates together, plunger 13 is arranged in the plunger hole, the ear end face of cylinder body 14 cooperates with oil distribution casing 15 and seals, oil distribution casing 15 bonnet of dosing press pump again cooperates equally also Packed effect, plunger piston slippery boots is supported backhaul dish 12 surfaces, backhaul dish 12 is by waving 11 supportings, wave 11 9 supportings of two crescent moon bearings are arranged, swinging arm is plugged in above the servopiston 22, servopiston 22 is loaded in the main pump body, a spring wherein is housed on one side is used for the location, the piston moving belt shakes moving of pendulum 11, thereby work the effect of doing that changes hydraulic pump discharge that reaches, the displacement amount of servopiston 22 is controlled by control valve 42, the sliding pressure of servopiston 22 is provided by slippage pump, slippage pump is returned the repairing of main pump collection chamber except that this effect, because the pressure of M4VG series plunger pump requires a lot, so rotating speed also is very high, damage as the not enough lubricated accessory that causes of cylinder body oil starvation that easily produces of fuel feeding, wave for this reason and can freely shake, wave 11 amplitude of oscillation size and regulated by control valve, the minimax amplitude of oscillation is regulated by servopiston 22 adjusting screw rods 29.The front end of cylinder body is ball pivot 47 and links to each other with main shaft by waving 11 that the pump housing is provided with cleaning, relief opening is blocked with plug.The main shaft hydraulic pressure oil mass 28~250cm that discharges that whenever circles 3Oil distribution casing 15, ball pivot and wave 11 and the surface, cooperation place of servopiston 22 utilize vitrification technology to be provided with nickel 62 sprayfused coatings.Oil hydraulic pump allows the maximum service pressure 45MPa of use in continuous working order.
In the erection drawing, each component symbol is as follows: 1 fixed block, 2 oil sealings, 3 jump ring circles, 4 bearings, 5 belleville springs, 6 plugs, 7 main shafts, 8 housings, 9 crescent moon bearings, 10 positioning rods, 11 wave, 12 backhaul dishes, 13 plungers, 14 cylinder bodies, 15 oil distribution casings, 16 bonnets, 17 bolts, 18 backing plates, 19 slippage pump gears, 20 slippage pump housings, 21 plugs, 22 servopistons, 23 springs, 24 mandrels, 25 seal rings, 26 jump rings, 27 copper bands, 28 end caps, 29 screw rods, 30 nuts, 31 bolts, 32 plugs, 33 rubber rings, 34 compressing springs, 35 pistons, 36 cappings, 37 connecting bolts, 38 driving levers, 39 goods of furniture for display rather than for uses, 40 extension springs, 41 small plungers, 42 control valves, 43 screw rods, 44 bolts, 45 eccentric shafts, 46 cartridge valves, 47, ball pivot, 48, the connecting shaft cover.
Main innovate point of the present utility model:
1, breaks through the raising speed problem of M4VG series enclosed pump first, rise to 2400r/min from 1500r/min;
2, compare noise with mill run and reduced 10dB;
3, reduce throttling and the spill losses that conventional hydraulic pressure system exists, reduced power consumpiton, on average can save energy 40%-50%;
4, on average can save energy 40%-50%, drive motor changes 4 utmost points into by 6 utmost points simultaneously.
The emphasis that the invention is claimed:
(1) rated pressure: oil hydraulic pump allows the maximum service pressure 45MPa of use in continuous working order.
(2) Theoretical flowing capacity: the main shaft of the oil hydraulic pump hydraulic pressure oil mass 28~250cm that discharges that whenever circles 3
(3) theoretical delivery: the liquid volume that can discharge in theory in the unit time of oil hydraulic pump.It equals the product of discharge capacity and rotating speed.
(4) unloaded discharge capacity: the ratio of rotating speed when flow is with zero load when unloaded is 95%~110% of a Theoretical flowing capacity.
(5) capacity rating: during rated pressure, the ratio of flow and rotating speed.
(6) efficient: the efficiency eta of oil hydraulic pump is an output power and the ratio of input power.The ratio of oil hydraulic pump actual flow and theoretical delivery is called volumetric efficiency η v, and oil hydraulic pump all exists volumetric loss and machinery to lose two kinds of consumption in the energy transition process, so total efficiency is the product of volumetric efficiency and mechanical efficiency, i.e. and η=η v η m.
(7) manufacturing process: oil hydraulic pump oil distribution casing, ball pivot and wave and the surface, cooperation place of servopiston all adopts new material (nickel 62 sprayings) to add the new process that vitrification is handled.
The beneficial effect of innovation and creation:
After the research and development of this project are produced; promote this product working life greatly; reduce heating; reduce friction; the particularly operation under worst cold case; more can adapt to, because the principle of expanding with heat and contract with cold, at cold low temp area; allow the user under the cold starting situation; can often oil hydraulic pump be broken, former because oil hydraulic pump is generally speaking for ultraprecise cooperates the workpiece composition, when restarting after the cold shutdown in sky; since inner workpiece be affected (expanding with heat and contract with cold) in addition the hydraulic pressure oil product solidify; situations such as fuel feeding is untimely cause and very easily break oil hydraulic pump, and the phenomenon of its appearance is the cylinder body scuffing of cylinder bore; the ball strand; plunger; wave impaired serious.So, oil hydraulic pump just can't proper functioning, for equipment provides driving source.Hereby, in order to solve domestic this existence technical barrier for a long time, we MCS engineers and technicians go through thousands of experiment trial-production, successfully adopt new material (nickel spraying) to add the vitrification new process, impel to exist the difficulty of decades to be overcome.Can optimize the upgrading of the oil hydraulic pump industry industrial structure, promoting its reasonable reaching under the life-span prerequisite, reform and innovate, courageously adopt the vitrification new technology, the product workpiece carry out external and in superhigh temperature handle under, impel its good fusion, allow it produce heatproof preferably, heat-resisting, wear-resisting function.
It can realize higher operational efficiency, multiple variable format for choosing, guarantees best control precision, service life is longer, energy consumption minimizes, environmental protection and energy saving, promotes the quality of product greatly, reduces the operating noise and vibration of hydraulic system widely.Its birth will provide high-quality heart dynamical element for China's hydraulic equipment industry, promote the ability level of China's industry, military equipment.
The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.

Claims (5)

1. ultrahigh pressure enclosed axial piston pump, it is characterized in that: comprise the pump housing, this pump housing and bonnet are combined as a whole, the bonnet afterbody is equipped with a slippage pump, the main pump pump housing and slippage pump center are provided with rotating spindle, cylinder body is placed on the main shaft, main shaft drives the cylinder body rotation, the while cylinder body also drives plunger and rotates together, plunger is arranged in the plunger hole, the ear end face of cylinder body cooperates with oil distribution casing and seals, oil distribution casing is the bonnet of dosing press pump again, plunger piston slippery boots is supported the backhaul panel surface, the backhaul dish is by waving supporting, wave by two crescent moon bearings and supported, swinging arm inserts in above the servopiston, servopiston is loaded in the main pump body, a spring location wherein is housed on one side, the piston moving belt shakes moving of pendulum, reaches the effect of doing that changes hydraulic pump discharge thereby play, and the displacement amount of servopiston is controlled by control valve, the sliding pressure of servopiston is provided by slippage pump, slippage pump is returned the repairing of main pump collection chamber except that this effect, the amplitude of oscillation size of waving is regulated by control valve, and the minimax amplitude of oscillation is regulated by the servopiston adjusting screw rod.
2. ultrahigh pressure enclosed axial piston pump according to claim 1 is characterized in that: described cylinder body front end is ball pivot and links to each other by waving with main shaft that the described pump housing is provided with cleaning, relief opening is blocked with plug.
3. ultrahigh pressure enclosed axial piston pump according to claim 1 is characterized in that: described main shaft one end is exposed to outside the pump housing and by a big bearing and a little axle supporting, big bearing is fixed in the pump housing, and little bearing fixing is in bonnet.
4. ultrahigh pressure enclosed axial piston pump according to claim 1 is characterized in that: the described main shaft hydraulic pressure oil mass 28~250cm that discharges that whenever circles 3
5. ultrahigh pressure enclosed axial piston pump according to claim 1 is characterized in that: described oil distribution casing, ball pivot and wave and the surface, cooperation place of servopiston utilizes vitrification technology to be provided with nickel 62 sprayfused coatings.
CN2009202643147U 2009-12-01 2009-12-01 Ultrahigh pressure closed-type axial plunger pump Expired - Fee Related CN201560907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202643147U CN201560907U (en) 2009-12-01 2009-12-01 Ultrahigh pressure closed-type axial plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202643147U CN201560907U (en) 2009-12-01 2009-12-01 Ultrahigh pressure closed-type axial plunger pump

Publications (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104533742A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump oil reversing device and control method thereof
CN104533739A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump tilting tray and machining method thereof
CN104533743A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump bilateral pressure-bearing servo variable device and control method thereof
CN104533854A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump unilateral pressure-bearing servo variable device and control method thereof
CN104863844A (en) * 2015-04-01 2015-08-26 镇江四联机电科技有限公司 Oil distribution disc capable of realizing multi-level linkage for inner-curve multi-action radial plunger pump
CN106321391A (en) * 2016-10-31 2017-01-11 上海福睦液压科技有限公司 Closed variable plunger pump
CN108150479A (en) * 2016-12-05 2018-06-12 江苏汉力士液压制造有限公司 It is split type to wave
CN108443098A (en) * 2018-03-23 2018-08-24 徐州重型机械有限公司 A kind of open hydraulic pump motor secondary component
CN108884815A (en) * 2016-03-28 2018-11-23 株式会社神户制钢所 Hydraulic rotary machine

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104533742B (en) * 2014-12-30 2017-02-22 南京萨伯工业设计研究院有限公司 Hydraulic pump oil reversing device and control method thereof
CN104533739A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump tilting tray and machining method thereof
CN104533743A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump bilateral pressure-bearing servo variable device and control method thereof
CN104533854A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump unilateral pressure-bearing servo variable device and control method thereof
CN104533739B (en) * 2014-12-30 2017-06-20 苏州萨伯工业设计有限公司 Hydraulic pump swash plate and its processing method
CN104533742A (en) * 2014-12-30 2015-04-22 南京萨伯工业设计研究院有限公司 Hydraulic pump oil reversing device and control method thereof
CN104863844B (en) * 2015-04-01 2017-03-29 镇江四联机电科技有限公司 A kind of oil distribution casing that can realize multi-joint inner curve multiple radial plunger pump
CN104863844A (en) * 2015-04-01 2015-08-26 镇江四联机电科技有限公司 Oil distribution disc capable of realizing multi-level linkage for inner-curve multi-action radial plunger pump
CN108884815A (en) * 2016-03-28 2018-11-23 株式会社神户制钢所 Hydraulic rotary machine
CN106321391A (en) * 2016-10-31 2017-01-11 上海福睦液压科技有限公司 Closed variable plunger pump
CN106321391B (en) * 2016-10-31 2020-04-28 李浩宇 Closed variable plunger pump
CN108150479A (en) * 2016-12-05 2018-06-12 江苏汉力士液压制造有限公司 It is split type to wave
CN108443098A (en) * 2018-03-23 2018-08-24 徐州重型机械有限公司 A kind of open hydraulic pump motor secondary component

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100825

Termination date: 20111201