CN104595143A - Vertical double acting type spinning pump - Google Patents
Vertical double acting type spinning pump Download PDFInfo
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- CN104595143A CN104595143A CN201410742144.4A CN201410742144A CN104595143A CN 104595143 A CN104595143 A CN 104595143A CN 201410742144 A CN201410742144 A CN 201410742144A CN 104595143 A CN104595143 A CN 104595143A
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Abstract
The invention discloses a vertical double acting type spinning pump and belongs to the technical field of spinning pumps. The vertical double acting type spinning pump comprises a gearbox, the gearbox is provided with driving devices and two pump bodies, each pump body is connected with a pump barrel in a sealing mode, each pump barrel is provided with an oil suction valve and an oil feed valve, a spiral pair is arranged in each pump body and the corresponding pump barrel, each spiral pair and the inner wall of the corresponding pump barrel are sealed, the spiral directions of the spiral pairs in the two pump bodies are opposite, the driving devices are connected to a detection control system, the driving devices drive the spiral pairs to move in the pump barrels through gear pairs, and media are converted and compressed into ultrahigh pressure media. The vertical double acting type spinning pump is of a vertical structure and is compact in structure, small in size, light, convenient to maintain and low in cost; variable pressure and variable flow can be achieved, a plurality of pumps can be connected in parallel, the requirement of a heavy-duty hydraulic station for energy supply is met, and the vertical double acting type spinning pump is good in sealing performance, long in service life, high in reliability, high in cost performance and suitable for application and popularization.
Description
Present patent application is application number is 2011104375544; Denomination of invention is: a kind of vertical double-acting spinning pump; The applying date is the divisional application of the application for a patent for invention on November 23rd, 2011.
Technical field
The present invention relates to a kind of spinning pump, especially a kind of ultrahigh pressure spinning pump.
Background technique
At present, the conventional superpressure oil pump used, its pressure will reach 250MPa quite not easily, because pressure will be elevated to this force value by oil pump, it is subject to the restriction of the multiple conditions such as driving mode, sealing, bearing capacity, and therefore superpressure oil pump becomes the volume of those skilled in the art a great problem to be solved always.Traditional superpressure oil pump, what generally adopt is horizontal type structure, and force value will reach ultrahigh pressure level, and the volume of its body needs very large, oversize, be then unfavorable for using aborning.In traditional oil pump, reach ultrahigh pressure, there is very large problem in the sealing of its oil pump, pressure increases a little, will produce leakage, can not meet production and application needs.Traditional oil pump comprises gear pump, the horizontal reciprocating pump of bent axle, vertical swash plate operated pump, centrifugal reciprocating pump etc., the liquid medium that its pump is carried, and one is water, another kind is then transporting oil, both are generally can not dual-purpose, and its using scope is little, is not suitable for applying.Traditional oil pump, its force value is constant, and flow is also constant, needs the force value of a model, just needs selection oil pump, when needs use multiple pressure simultaneously, cannot be realized by same oil pump.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of compact structure, lightweight, easy to maintenance, vertical double-acting spinning pump with low cost, uses this vertical double-acting spinning pump, variable pressure and changeable flow can be realized, and can be in parallel between multiple pump, meet the energy supply at heavy hydraulic station, its good airproof performance, life-span is long, reliability is high, and cost performance is high, is applicable to applying.
The technical solution used in the present invention is as follows:
Vertical double-acting spinning pump of the present invention, comprise gear-box, described gear-box is provided with drive unit and two pump housings, arbitrary pump housing is all sealedly connected with pump barrel, described pump barrel is provided with oil sucting valve and filling valve, screw pair is provided with in the described pump housing and pump barrel, the inner wall sealing of described screw pair and pump barrel, the rotation direction of the screw pair in two pump housings is contrary, described drive unit is connected on detecting and controlling system, described drive unit drives screw pair to move in pump barrel, by medium reverts boil down to ultrahigh pressure medium by gear pair.
Owing to have employed said structure, drive unit drives the screw pair in two pump housings to move by the gear transmission in gear-box simultaneously, arbitrary pump housing is all sealedly connected with pump barrel, the pump housing and pump barrel is made to form an active chamber sealed, when screw pair moves in this active chamber, medium can be formed ultrahigh pressure, simultaneously due to the inner wall sealing of screw pair and pump barrel, ensure that its sealing effect, avoid leaking, make the cavity between screw pair and pump barrel can form the place of media collapse, medium is compacted into the medium of ultrahigh pressure under the effect of screw pair, thus the output of ultrahigh pressure medium can be realized, the rotation direction of the screw pair simultaneously in two pump housings is contrary, action screw pair in two pump housings being done carry out is just contrary, during any pumping pressure oiling, then another oil suction, unidirectional oil sucting valve oil suction is provided with and filling valve oil supply cooperates in harmony in the bottom of pump, coordinate reciprocal fuel feeding equably, thus two pumps cooperates in harmony simultaneously, drive unit drives screw pair to move in pump barrel by gear pair, by medium reverts boil down to ultrahigh pressure medium, thus ultrahigh pressure can be provided for the external world, need drive unit to be connected on detecting and controlling system simultaneously, on the one hand for detecting the operating state of whole spinning pump, on the other hand can according to its rotating speed, motor main story or reversion is controlled by detecting and controlling system, thus while realizing in two pump housings come and go normally work, screw pair is avoided to move downward in the pump housing or pump barrel, with the inner bottom part of pump barrel to collision, thus infringement pump barrel, screw pair is avoided to move upward in the pump housing, infringement body.Vertical double-acting spinning pump of the present invention, adopts vertical structure, compact structure, volume is little, lightweight, easy to maintenance, with low cost, variable pressure and changeable flow can be realized, and can be in parallel between multiple pump, meet the energy supply at heavy hydraulic station, its good airproof performance, the life-span is long, and reliability is high, cost performance is high, is applicable to applying.
Vertical double-acting spinning pump of the present invention, described screw pair comprises screw axis and screw-casing, it is outer and be threaded connection that described screw-casing is placed on screw axis, described screw-casing is built with lubricant oil, the lower end of described screw-casing is by sealing group and pump barrel inner wall sealing, when described drive unit drives screw axis to rotate by gear pair, described screw-casing is relative to pump barrel vertically movement.
Owing to have employed said structure, screw pair in the pump housing comprises screw axis by screw-thread fit and screw-casing, and screw-casing is placed on outside screw axis, the lower end of rotation set is by sealing group and pump barrel inner wall sealing, when screw axis rotates, screw-casing can vertically movement in the pump housing, realize compression in the pump housing to pressure and suck medium, because the screw-casing in two pump housings is contrary with the rotation direction of the screw thread between screw axis, therefore make the movement direction of the screw-casing in two pump housings just contrary, during any pumping pressure oiling, then another oil suction, unidirectional oil sucting valve oil suction is provided with and filling valve oil supply cooperates in harmony in the bottom of pump, coordinate reciprocal fuel feeding equably, thus two pumps cooperates in harmony simultaneously, make its compact structure, use safety is convenient, with low cost, easy to utilize.Described screw-casing is built with lubricant oil, when screw-casing moves downward, screw thread on its inwall is attached with lubricant oil, when screw-casing moves upward, the screw thread outside screw axis and the screw-thread fit on screw-casing, lubricant oil thus be attached on the screw thread on screw axis, achieve the effect of the lubrication between screw thread, namely screw-casing motion repeatedly achieves the lubrication repeatedly between screw thread, thus ensure that its lubrication effect is good, make its life-span permanent, decrease maintenance maintenance cost.
Vertical double-acting spinning pump of the present invention, described screw axis is connected with adopting trapezoidal thread, buttress thread form or circle-arc screw-thread between screw-casing, and the helix number of described screw thread is bull.
Owing to have employed said structure, described screw thread can adopt trapezoidal thread, buttress thread form or circle-arc screw-thread, make its alternative many, highly versatile, be applicable to applying, the helix number of described screw thread is bull simultaneously, therefore different helix numbers and pitch can be selected as required, thus the rotational velocity of screw axis can be controlled, control the travelling speed of screw-casing, therefore the power can exerted pressure needed for the spinning pump of reality and carry out selection design, simultaneously can the rotating speed of accessory drive, thus control the rotational velocity of screw axis, control the travelling speed of screw-casing further, realize controlling the force value provided in the pump housing, flow, it is made to change with the rotation of screw axis, the use under different operating mode can be met.
Vertical double-acting spinning pump of the present invention, the junction of the pump housing and pump barrel is provided with feather key, and described feather key coordinates with the guiding groove outside screw-casing, when screw axis is rotated, screw-casing under the effect of feather key relative to pump barrel vertically movement.
Owing to have employed said structure, in the junction of the pump housing and pump barrel, feather key is set, and feather key coordinates with the guiding groove outside screw-casing, when screw axis in the pump housing is rotated, screw-casing is subject to the radial forces of feather key, screw-casing is not rotated with the rotation of screw axis, but relative to pump barrel vertically movement, screw-casing in two pump housings is under the effect of its feather key, all upper and lower vertical movement, simultaneously because the screw-casing in two pump housings is contrary with the rotation direction between screw axis, therefore when screw axis rotating in same direction, the direction that screw-casing in two pump housings moves up and down is just contrary, thus make the interior action completed of two pump housings just contrary, therefore this feather key plays two effects, one is avoid screw-casing to rotate, therefore it will bear larger moment of torsion, two is directions that lead screw cover moves up and down, thus can realize screw-casing and move up and down, and sucks medium or formation ultrahigh pressure of being exerted pressure by medium, thus can ensure that this spinning pump structure is simple, and it is safe and reliable.
Vertical double-acting spinning pump of the present invention, described drive unit is motor, and described motor is two, and two motors coordinate with gear pair simultaneously, and gear pair drives the screw axis in two pump housings to rotate simultaneously.
Owing to have employed said structure, coordinated with gear pair by two motors simultaneously, and drive the screw axis in the pump housing to rotate by gear pair, enough power can be provided for spinning pump, thus drive screw axis to rotate, screw-casing is driven to move further, produce ultrahigh pressure, and the screw axis in two pump housings rotates simultaneously, the rotation direction of two screw axis is contrary, the rotation of gear pair is made to drive the rotation of screw axis, thus two screw axis can be realized lead to rotation, but the screw-casing that it connects then carries out vertically contrary action, ensure that the spinning pump in two pump housings works simultaneously, and different working staties is provided, work in two pump housings simultaneously, thus improve its working efficiency, make compact structure, reduce its cost.
Vertical double-acting spinning pump of the present invention, is provided with thrust-bearing between the upper end of described screw axis and the pump housing, and screw axis is rotated relative to the pump housing, and the upper end of described screw axis is connected with gear pair.
Owing to have employed said structure, thrust-bearing is provided with between the upper end of screw axis and the pump housing, thrust-bearing can be special as required, to satisfy the demands, while this thrust-bearing can make screw axis rotate relative to the pump housing, when screw axis rotates, screw-casing can produce reaction force under the effect of ultrahigh pressure medium, therefore this thrust-bearing can rotate while also needing to bear this reaction force, again this reaction force is delivered on body, therefore this thrust-bearing needs to bear larger active force, particularly when force value reaches more than 250MPa, more need to ensure that it normally uses, avoid security incident occurs, the upper end of screw axis is connected with gear pair simultaneously, make it possible to control screw axis by gear pair rotate, ensure that it rotates normally, thus its structure is surely leaned on, safe and feasible.
Vertical double-acting spinning pump of the present invention, gear pair comprises the small gear be connected on motor input shaft, two small gears all with in cog and coordinate, with in cog coaxial in lower gear is combined with two screw axis gears, described screw axis gear is fixedly connected with screw axis by gearbox output shaft.
Owing to have employed said structure, this gear pair comprise a pair small gear with in cog and coordinate, two small gears are respectively by two driven by motor, cog in driving rotation simultaneously, in cog and be coaxially connected with middle lower gear, the number of teeth of two gears is different, therefore its velocity ratio is also different, the moment of torsion transmitted is also different, coordinate with two screw axis gears at middle lower gear simultaneously, control two screw axis pinion rotation respectively, two screw axis gears are connected with screw axis respectively by gearbox output shaft, make screw axis can with screw axis pinion rotation, the conversion of velocity ratio is several times passed through with this output shaft by motor, the rotation of the screw axis in two pump housings can be driven simultaneously, with this with minimum gear pair, by suitable velocity ratio, achieve the optimal proportion of the drive units such as motor, thus make structure simple, greatly reduce manufacture cost.
Vertical double-acting spinning pump of the present invention, described sealing group comprises O RunddichtringO, L-type seal ring and tongue RunddichtringO, described tongue RunddichtringO is positioned at screw-casing bottom, and the inwall of the edge of tongue RunddichtringO and pump barrel is fitted, described L-type seal ring is positioned at above the tongue RunddichtringO outside screw-casing, and described O RunddichtringO is positioned at above the L-type seal ring outside screw-casing.
Owing to have employed said structure, sealing group comprises the tongue RunddichtringO being positioned at screw-casing bottom, this tongue RunddichtringO is mainly used for the sealing of ultrahigh pressure, when medium between screw-casing and pump barrel is compressed and is formed ultrahigh pressure, the edge of this tongue RunddichtringO and the inwall of pump barrel are closely fitted, and pressure is larger, and it is tightr that the edge of tongue RunddichtringO and the inwall of pump barrel are fitted, more can play the effect of sealing, thus ensure to possess good sealing effect when ultrahigh pressure, L-type seal ring is positioned at above the tongue RunddichtringO outside screw-casing, the sealing medium of ultrahigh pressure is after the sealing of tongue RunddichtringO, likely after long-term use, its sealing place may have leakage a little, make ultrahigh pressure MEDIA FLOW above tongue RunddichtringO, but because its amount is little, force value also considerably reduces a lot, because the inwall of L-type seal ring and pump barrel is fitted, make a small amount of medium revealed, all blocked by L-type seal ring, ensure that it possesses good sealability, screw-casing is in the process of the vertical movement come and gone, medium in pump barrel can be elevated with the movement of screw-casing, therefore medium can be attached on the inwall of pump barrel, therefore above the L-type seal ring outside screw-casing, O RunddichtringO is set, can by pump barrel inwall is left over or the medium revealed a little seal up up hill and dale, by the sealing cover of three-layer sealed circle, can ensure that the sealing of whole ultrahigh pressure spinning pump is good, thoroughly solve the interior sealing problem of superelevation pump, ensure that and manufacture this spinning pump feasibility, and in use, realize seal durability, guarantee that it is safe and reliable, it can normally use.
Vertical double-acting spinning pump of the present invention, described detecting and controlling system comprises speed detector and control system, described speed detector is positioned on gear-box, the rotating speed of measuring gear pair by signal transmission to control system, described control system connects and controls motor.
Owing to have employed said structure, by being arranged at the speed detector on gear-box, Rotating speed measring is carried out to the gear in gear pair, then testing signal is passed in control system, control system is according to the program preset, for controlling rotating forward or the reversion of motor, thus can control to form contrary action between two pump housings, when in one pump housing, compressed media forms ultrahigh pressure medium, then in the pump housing, medium is sucked in another pump housing, this medium can be water or oil, when the action in two pump housings is near completion, speed detector detects the speed conditions of gear, control system controls motor stalls immediately, and then control its reversion, just start toward interior suction medium in the pump housing of such script superzapping, originally then superzapping is started in the pump housing sucking medium, so repeatedly, continuous circulation between two pump housings is made to carry out superzapping repeatedly, suck the action of medium, two pump housing interlocks, thus make efficiency higher, cost is cheaper, be more suitable for applying.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, vertical double-acting spinning pump of the present invention, adopt vertical structure, compact structure, volume is little, lightweight, easy to maintenance, with low cost;
2, vertical double-acting spinning pump of the present invention, can realize variable pressure and changeable flow, and can be in parallel between multiple pump, and meet the energy supply at heavy hydraulic station, its good airproof performance, the life-span is long, and reliability is high, and cost performance is high, is applicable to applying.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of vertical double-acting spinning pump of the present invention.
Fig. 2 is the phantom in Fig. 1;
Fig. 3 is the partial enlarged drawing in Fig. 2.
Mark in figure: 1-motor, 2-motor input shaft, 3-gear transmission, 4-gear-box, 5-gearbox output shaft, 6-screw axis, 7-screw-casing, 8-sealing group, 8-1-O RunddichtringO, 8-2-L RunddichtringO, 8-3-tongue RunddichtringO, 9-pump barrel, 10-thrust-bearing, the 11-pump housing, 12-feather key, 13-oil sucting valve, 14-filling valve.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As as described in Fig. 1 to Fig. 3, embodiment 1, vertical double-acting spinning pump of the present invention, comprise gear-box 4, described gear-box 4 is provided with drive unit and two pump housings 11, arbitrary pump housing 11 is all sealedly connected with pump barrel 9, described pump barrel 9 is provided with oil sucting valve 13 and filling valve 14, screw pair is provided with in the described pump housing 11 and pump barrel 9, the inner wall sealing of described screw pair and pump barrel 9, the rotation direction of the screw pair in two pump housings 11 is contrary, described drive unit is connected on detecting and controlling system, described drive unit drives screw pair to move in pump barrel 9 by gear pair, by medium reverts boil down to ultrahigh pressure medium, the medium adopted can be water or oil, both, it is applied widely.Wherein screw pair comprises screw axis 6 and screw-casing 7, it is outer and be threaded connection that described screw-casing 7 is placed on screw axis 6, described screw-casing 7 is built with lubricant oil, the lower end of described screw-casing 7 is by sealing group 8 and pump barrel 9 inner wall sealing, when described drive unit drives screw axis 6 to rotate by gear pair, described screw-casing 7 is relative to pump barrel 9 vertically movement, trapezoidal thread is adopted between described screw axis 6 and screw-casing 7, buttress thread form or circle-arc screw-thread connect, the helix of described screw thread is bull, therefore 2 or 3 or 4 can be adopted, can certainly select according to the actual needs, can select to design flight pitch simultaneously, thus meet the demand of different pressures value to different flow, function executing unit part of vertical double-acting spinning pump is then for spiral is paid, the configuration that spiral is paid is zigzag fashion, zigzag fashion part is stressed main body, in order to transmit very large thrust, the profile of tooth of this part according to different need to be arranged to trapezoidal, zigzag fashion or circular arc, in order to the rationality of the efficiency and output quantity that improve transmission.Further, the pump housing 11 and the junction of pump barrel 9 are provided with feather key 12, described feather key 12 coordinates with the guiding groove outside screw-casing 7, when screw axis 6 is rotated, screw-casing 7 under the effect of feather key 12 relative to pump barrel 9 vertically movement, drive unit is motor 1, described motor 1 is two, and two motors 1 coordinate with gear pair simultaneously, gear pair drives the screw axis 6 in two pump housings 11 to rotate simultaneously, also multiple motor 1 can be selected according to the actual needs simultaneously to coordinate with gear pair, also can use its drive unit, be advisable with the demand of satisfied reality.
Vertical double-acting spinning pump of the present invention, adopt vertical pair of transmission type structure, namely two are had to drive dress by one group of two-stage gear driven screw axis 6, then screw-casing 7 is driven to move up and down, the movement of screw-casing 7 is movements under the restriction of a feather key 12, screw-casing 7 now can not rotate, and can only make rectilinear movement at the pipe of feather key.Two fax dynamic formula is set to due to this vertical double-acting spinning pump, thus configurable two pumps, when A pump work, B pump is then prepared, and the coiled arrangement of such two groups of pumps is then the spiral of A pump is dextrorotation, makes the spiral of B pump be left-handed, during any pumping pressure oiling, then another oil suction, is provided with the oil suction of unidirectional oil sucting valve 13 in the bottom of pump and filling valve 14 oil supply cooperates in harmony, and coordinates equably back and forth fuel feeding.Screw-driven pair must obtain good lubrication, lubrication system is simplified again simultaneously, accomplishes freedom from repairs as far as possible, therefore adopts oil sump self-lubricating type to be optimum selection, namely lubricant oil is set in screw-casing, from the drive gear box on top to, the hollow part of bottom, be the lubrication of the cavity reservoir compartment of pump, plentiful oil supply driving component, and avoid excessive loss, can Long-Time Service, until rotten to oil product, just change.
Embodiment 2, vertical double-acting spinning pump of the present invention, are provided with thrust-bearing 10 between the upper end of described screw axis 6 and the pump housing 11, and screw axis 6 is rotated relative to the pump housing 11, and the upper end of described screw axis 6 is connected with gear pair.Gear pair comprises the small gear be connected on motor input shaft 2 simultaneously, two small gears all with in cog and coordinate, with in cog coaxial in lower gear is combined with two screw axis gears, described screw axis gear is fixedly connected with screw axis 6 by gearbox output shaft 5.
Screw-casing 7 in the pump housing, the function of screw-casing 6 is transferring power and the plunger of pump part, promote the upper of plunger, lower movement is promoted by screw axis 6, but the liquid medium simultaneously in pump barrel 9 is again by the sealing group 8 mineralization pressure medium of screw-casing 6 end, so screw-casing is multi-functional plunger in the functional structure of pump, the formation of ultrahigh pressure is completed by sealing group, sealing group arranges three layers of tight defense line, i.e. low pressure, high pressure and ultrahigh pressure, which kind of then born by sealing under pressure, therefore the life-span of sealing and the operating rate of pump is considerably increased.
Point gear transmission section 3,4 of spinning pump, pump body portion 11 and pump barrel part 9 formed, the pump housing is the connected body formed a connecting link, and being arranged on fuel tank after whole pump rest, this three part is by bolt and scyewed joint all-in-one-piece, the material structure of every part is also different, accomplish the use because of material, the design of this uniqueness embodies again the convenience of maintenance, and pump barrel part must be easy to dismounting, because seal is periodic replacement, and stage casing and upper part are not change part.
Embodiment 3, vertical double-acting spinning pump of the present invention, described sealing group 8 comprises O RunddichtringO 8-1, L-type seal ring 8-2 and tongue RunddichtringO 8-3, described tongue RunddichtringO 8-3 is positioned at screw-casing 7 bottom, and the edge of tongue RunddichtringO 8-3 and the inwall of pump barrel 9 are fitted, described L-type seal ring 8-2 is positioned at above the tongue RunddichtringO 8-3 outside screw-casing 7, and described O RunddichtringO 8-1 is positioned at above the L-type seal ring 8-2 outside screw-casing 7.Sealing group arranges three-layer sealed defence line, i.e. low pressure, high pressure and ultrahigh pressure, is then born by sealing under which kind of pressure, therefore considerably increases the life-span of sealing and the operating rate of pump.
Embodiment 4, vertical double-acting spinning pump of the present invention, described detecting and controlling system comprises speed detector and control system, and described speed detector is positioned on gear-box 4, the rotating speed of measuring gear pair by signal transmission to control system, described control system connects and controls motor 1.By being arranged at the speed detector on gear-box, Rotating speed measring is carried out to the gear in gear pair, then testing signal is passed in control system, control system is according to the program preset, for controlling rotating forward or the reversion of motor, thus can control to form contrary action between two pump housings, when in one pump housing, compressed media forms ultrahigh pressure medium, then in the pump housing, medium is sucked in another pump housing, this medium can be water or oil, when the action in two pump housings is near completion, speed detector detects the speed conditions of gear, control system controls motor stalls immediately, and then control its reversion, just start toward interior suction medium in the pump housing of such script superzapping, originally then superzapping is started in the pump housing sucking medium, so repeatedly, continuous circulation between two pump housings is made to carry out superzapping repeatedly, suck the action of medium, two pump housing interlocks, thus make efficiency higher, cost is cheaper, be more suitable for applying.
In above-described embodiment, single two dynamic volute pump can be seen as one " cell cube " of a pump power, according to the needs of pump power, two or more cell cube can be combined into by one " cell cube ", form different hydraulic station power supply source, meet the supply of required drive, make a supply difficult problem for ultrahigh pressure power obtain good solution, also solve the supply problem of batch production and easily damaged parts simultaneously.Due to one " cell cube " structure closely, so be also rational by the general structure of the combination of multiple unit, large-scale ultrahigh pressure hydraulic station there has been important breakthrough, just can meet the energy supply at heavy hydraulic station.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. vertical double-acting spinning pump, it is characterized in that: it comprises gear-box (4), described gear-box (4) is provided with drive unit and two pump housings (11), arbitrary pump housing (11) is all sealedly connected with pump barrel (9), described pump barrel (9) is provided with oil sucting valve (13) and filling valve (14), screw pair is provided with in the described pump housing (11) and pump barrel (9), the inner wall sealing of described screw pair and pump barrel (9), the rotation direction of the screw pair in two pump housings (11) is contrary, described drive unit is connected on detecting and controlling system, described drive unit drives screw pair to move in pump barrel (9) by gear pair, by medium reverts boil down to ultrahigh pressure medium, wherein said screw pair comprises screw axis (6) and screw-casing (7), described screw-casing (7) is placed on screw axis (6) and be threaded connection outward, described screw-casing (7) is built with lubricant oil, the lower end of described screw-casing (7) is by sealing group (8) and pump barrel (9) inner wall sealing, when described drive unit drives screw axis (6) to rotate by gear pair, described screw-casing (7) is relative to pump barrel (9) vertically movement.
2. the pump housing described in (11) is provided with feather key (12) with the junction of pump barrel (9), described feather key (12) coordinates with screw-casing (7) guiding groove outward, when screw axis (6) is rotated, screw-casing (7) under the effect of feather key (12) relative to pump barrel (9) vertically movement.
3. vertical double-acting spinning pump as claimed in claim 1, it is characterized in that: adopt trapezoidal thread, buttress thread form or circle-arc screw-thread to be connected between described screw axis (6) with screw-casing (7), the helix of described screw thread is bull.
4. vertical double-acting spinning pump as claimed in claim 1 or 2, it is characterized in that: described drive unit is motor (1), described motor (1) is two, and two motors (1) coordinate with gear pair simultaneously, and gear pair drives the screw axis (6) in two pump housings (11) to rotate simultaneously.
5. vertical double-acting spinning pump as claimed in claim 3, it is characterized in that: between the upper end of described screw axis (6) and the pump housing (11), be provided with thrust-bearing (10), screw axis (6) is rotated relative to the pump housing (11), and the upper end of described screw axis (6) is connected with gear pair.
6. vertical double-acting spinning pump as claimed in claim 4, it is characterized in that: gear pair comprises the small gear be connected on motor input shaft (2), two small gears all with in cog and coordinate, with in cog coaxial in lower gear is combined with two screw axis gears, described screw axis gear is fixedly connected with screw axis (6) by gearbox output shaft (5).
7. the vertical double-acting spinning pump as described in claim 1 or 2 or 4 or 5, it is characterized in that: described sealing group (8) comprises O RunddichtringO (8-1), L-type seal ring (8-2) and tongue RunddichtringO (8-3), described tongue RunddichtringO (8-3) is positioned at screw-casing (7) bottom, and the inwall of the edge of tongue RunddichtringO (8-3) and pump barrel (9) is fitted, described L-type seal ring (8-2) is positioned at screw-casing (7) tongue RunddichtringO (8-3) top outward, and described O RunddichtringO (8-1) is positioned at screw-casing (7) L-type seal ring (8-2) top outward.
8. the vertical double-acting spinning pump as described in claim 1 or 2 or 4 or 5, it is characterized in that: described detecting and controlling system comprises speed detector and control system, described speed detector is positioned on gear-box (4), the rotating speed of measuring gear pair by signal transmission to control system, described control system connects and controls motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742144.4A CN104595143B (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104375544A CN102536720A (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
| CN201410742144.4A CN104595143B (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104375544A Division CN102536720A (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
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| CN104595143A true CN104595143A (en) | 2015-05-06 |
| CN104595143B CN104595143B (en) | 2017-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937502A (en) * | 2016-06-24 | 2016-09-14 | 张家港市众鑫风机有限公司 | Threaded rod type draught fan |
| CN106968440A (en) * | 2017-02-27 | 2017-07-21 | 北汽福田汽车股份有限公司 | Pumping system and the pumping equipment with it |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367842Y (en) * | 1999-03-16 | 2000-03-08 | 四川太兴房屋开发有限公司 | Compound motive sealing device of superhigh pressure reciprocating rod |
| US6244838B1 (en) * | 1998-09-09 | 2001-06-12 | Institut Du Francais Petrole | Fluid pumping process and system using a pump with a constant intake or delivery rate |
| US20050019187A1 (en) * | 2003-07-23 | 2005-01-27 | Whitworth Hendon Jerone | Internal screw positive rod displacement metering pump |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
-
2011
- 2011-12-23 CN CN201410742144.4A patent/CN104595143B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6244838B1 (en) * | 1998-09-09 | 2001-06-12 | Institut Du Francais Petrole | Fluid pumping process and system using a pump with a constant intake or delivery rate |
| CN2367842Y (en) * | 1999-03-16 | 2000-03-08 | 四川太兴房屋开发有限公司 | Compound motive sealing device of superhigh pressure reciprocating rod |
| US20050019187A1 (en) * | 2003-07-23 | 2005-01-27 | Whitworth Hendon Jerone | Internal screw positive rod displacement metering pump |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937502A (en) * | 2016-06-24 | 2016-09-14 | 张家港市众鑫风机有限公司 | Threaded rod type draught fan |
| CN106968440A (en) * | 2017-02-27 | 2017-07-21 | 北汽福田汽车股份有限公司 | Pumping system and the pumping equipment with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104595143B (en) | 2017-01-04 |
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Effective date of registration: 20170502 Address after: 515021 Guangdong Province, Shantou City Industrial Zone on the west side of the park road 11R2-1 in Chaoshan area Patentee after: Shantou Dongxing sugar mechanism pump Co., Ltd. Address before: 610041 Sichuan City, Chengdu province high tech Zone, Xiaojiahe is the number of street, building 43, building 1, building 3 Patentee before: Chengdu Kuaidian Technology Co. Ltd. |
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