CN104595143B - Vertical double-acting spinning pump - Google Patents
Vertical double-acting spinning pump Download PDFInfo
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- CN104595143B CN104595143B CN201410742144.4A CN201410742144A CN104595143B CN 104595143 B CN104595143 B CN 104595143B CN 201410742144 A CN201410742144 A CN 201410742144A CN 104595143 B CN104595143 B CN 104595143B
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Abstract
The invention discloses a kind of vertical double-acting spinning pump, belong to spinning pump technical field.The vertical double-acting spinning pump of the present invention, including gear-box, driving means and two pump housings it are provided with on described gear-box, pump barrel all it is sealedly connected with on arbitrary pump housing, oil sucting valve and filling valve it is provided with on described pump barrel, it is provided with screw pair in the described pump housing and pump barrel, described screw pair and the inner wall sealing of pump barrel, screw pair in two pump housings oppositely oriented, driving means is connected on detecting and controlling system, described driving means drives screw pair to move in pump barrel, by medium reverts boil down to supertension medium by gear pair.The vertical double-acting spinning pump of the present invention, uses vertical structure, and compact conformation, volume is little, lightweight, easy to maintenance, with low cost；Can realize can be in parallel between variable pressure and changeable flow, and multiple pump, meets the energy supply at heavy hydraulic station, its good airproof performance, and the life-span is long, and reliability is high, and cost performance is high, is suitable for popularization and application.
Description
Present patent application is Application No. 2011104375544；Invention entitled: a kind of vertical double-acting rotation
Press pump；The divisional application of the application for a patent for invention in filing date on November 23rd, 2011.
Technical field
The present invention relates to a kind of spinning pump, especially a kind of supertension spinning pump.
Background technology
At present, conventional use of superpressure oil pump, its pressure 250MPa to be reached quite is difficult to, because oily
Pressure to be increased to this force value by pump, and it is driven the multiple conditions such as mode, sealing, bearing capacity
Restriction, therefore superpressure oil pump becomes a great problem that the volume of those skilled in the art is to be solved always.Pass
The superpressure oil pump of system, is generally adopted by horizontal type structure, and force value supertension to be reached level, its
The volume of body needs very big, oversize, then be unfavorable for using aborning.In traditional oil pump,
Supertension to be reached, there is the biggest problem in sealing of its oil pump, pressure somewhat increases, and will produce and let out
Leakage, it is impossible to meet production and application needs.Traditional oil pump includes the horizontal reciprocating pump of gear pump, bent axle, vertical
Wobble plate pump, centrifugal piston pump etc., the liquid medium that its pump is carried, one is water, and another kind is then
Transporting oil, both usually can not dual-purpose, its range is little, is not suitable for popularization and application.Traditional
Oil pump, its force value is constant, and flow is the most constant, needs the force value of a model, it is necessary to choosing
Select an oil pump, when needs use multiple pressure simultaneously, it is impossible to realized by same oil pump.
Summary of the invention
The goal of the invention of the present invention is: for the problem of above-mentioned existence, it is provided that a kind of compact conformation, weight
Vertical double-acting spinning pump gently, easy to maintenance, with low cost, uses this vertical double-acting spinning pump, can
Realizing can be in parallel between variable pressure and changeable flow, and multiple pump, and the energy meeting heavy hydraulic station supplies
Should, its good airproof performance, the life-span is long, and reliability is high, and cost performance is high, is suitable for popularization and application.
The technical solution used in the present invention is as follows:
The vertical double-acting spinning pump of the present invention, including gear-box, described gear-box is provided with driving means
And two pump housings, arbitrary pump housing is all sealedly connected with pump barrel, described pump barrel is provided with oil sucting valve with to
The inner wall sealing of screw pair, described screw pair and pump barrel, two pumps it are provided with in fuel tap, the described pump housing and pump barrel
Internal screw pair oppositely oriented, described driving means is connected on detecting and controlling system, described drives dress
Put and drive screw pair to move in pump barrel, by medium reverts boil down to supertension medium by gear pair.
Owing to have employed said structure, driving means simultaneously drives two pumps by the gear drive in gear-box
Internal screw pair motion, arbitrary pump housing is all sealedly connected with pump barrel so that the pump housing forms one with pump barrel
The working chamber sealed, when screw pair moves in this working chamber, can form supertension by medium, simultaneously by
Inner wall sealing in screw pair Yu pump barrel, it is ensured that its sealing effectiveness, it is to avoid leakage so that screw pair and pump
Cavity between Tong can form the place of media collapse, and medium is compacted into super under the effect of screw pair
The medium of high pressure such that it is able to realize the output of supertension medium, the simultaneously rotation direction of the screw pair in two pump housings
On the contrary so that it is just contrary that the screw pair in two pump housings does the action carried out, any pump pressure oiling
Time, then another oil suction, unidirectional oil sucting valve oil suction and filling valve oil supply work in phase it is provided with in the bottom of pump
Making, coordinate reciprocal fuel feeding equably, thus two pumps cooperates in harmony simultaneously, driving means passes through gear pair
Screw pair is driven to move in pump barrel, by medium reverts boil down to supertension medium such that it is able to carry for the external world
For supertension, simultaneously need to driving means is connected on detecting and controlling system, on the one hand it is used for detecting whole
The operating state of spinning pump, on the other hand just can control motor according to its rotating speed by detecting and controlling system
Pass or reversion, normally work it is thus possible to come and go while in realizing two pump housings, it is to avoid screw pair is at pump
Move downward in body or pump barrel, with the inner bottom part of pump barrel to collision, thus damage pump barrel, it is to avoid screw pair
Move upward in the pump housing, damage body.The vertical double-acting spinning pump of the present invention, uses vertical structure,
Compact conformation, volume is little, lightweight, easy to maintenance, with low cost, can realize variable pressure and variable flow
Amount, and can be in parallel between multiple pump, meet the energy supply at heavy hydraulic station, its good airproof performance, life-span
Long, reliability is high, and cost performance is high, is suitable for popularization and application.
The vertical double-acting spinning pump of the present invention, described screw pair includes helical axis and screw-casing, described spiral
Being placed on outside helical axis and be threaded connection, described screw-casing is built with lubricating oil, under described screw-casing
Hold by sealing group and pump barrel inner wall sealing, when described driving means drives helical axis to rotate by gear pair,
Described screw-casing is vertically movable relative to pump barrel.
Owing to have employed said structure, the screw pair in the pump housing includes the helical axis by threaded engagement and spiral
Overlapping, and screw-casing is placed on outside helical axis, spiral, by sealing group and pump barrel inner wall sealing, is worked as in the lower end of rotation set
When axle rotates, screw-casing can be vertically movable in the pump housing, it is achieved the compression in the pump housing is given pressure and sucks Jie
Matter, oppositely oriented due to the screw thread between screw-casing and the helical axis in two pump housings, therefore make two pumps
The moving direction of internal screw-casing is just contrary, during any pump pressure oiling, then and another oil suction,
It is provided with unidirectional oil sucting valve oil suction in the bottom of pump and filling valve oil supply cooperates in harmony, coordinate the most back and forth to supply
Oil, thus two pumps cooperates in harmony simultaneously so that it is compact conformation, use safe and convenient, with low cost,
Easy to utilize.Described screw-casing is built with lubricating oil, when screw-casing moves downward, on its inwall
Lubricating oil it is attached with on screw thread, when screw-casing moves upward, the screw thread outside helical axis and the spiral shell on screw-casing
Stricture of vagina coordinate, lubricating oil thus be attached on the screw thread on helical axis, it is achieved that the effect of the lubrication between screw thread
Really, screw-casing motion repeatedly i.e. achieves the lubrication repeatedly between screw thread, thus ensure that its lubricant effect
Well so that it is the life-span is permanent, decreases maintenance maintenance cost.
The vertical double-acting spinning pump of the present invention, uses trapezoidal thread, saw between described helical axis and screw-casing
Profile of tooth screw thread or circle-arc screw-thread connect, and the helix number of described screw thread is bull.
Owing to have employed said structure, described screw thread can use trapezoidal thread, saw-tooth thread or circular arc
Screw thread so that it is alternative is many, highly versatile, it is suitable for popularization and application, the helix number of the most described screw thread
It is bull, therefore can select different helix numbers and pitch as required such that it is able to control spiral shell
The velocity of rotation of spin axis, controls the translational speed of screw-casing, therefore can execute according to needed for actual spinning pump
The power of pressure and carry out selecting design, the rotating speed of driving means can be controlled simultaneously, thus control turning of helical axis
Dynamic speed, controls the translational speed of screw-casing further, it is achieved control the pressure provided in the pump housing
Value, flow so that it is change with the rotation of helical axis, it is possible to meet the use under different operating mode.
The vertical double-acting spinning pump of the present invention, the junction of the pump housing and pump barrel is provided with feather key, described in lead
Gathering sill outside key is with screw-casing coordinates, and when making helical axis rotate, screw-casing is phase under the effect of feather key
Vertically movable for pump barrel.
Owing to have employed said structure, feather key is set in the junction of the pump housing Yu pump barrel, and feather key with
Gathering sill outside screw-casing coordinates so that when the helical axis in the pump housing rotates, screw-casing is by the footpath of feather key
To active force, screw-casing is made not rotate with the rotation of helical axis, but vertically movable relative to pump barrel, two
Screw-casing in the individual pump housing is under the effect of its feather key, and the most upper and lower is vertically movable, simultaneously because two pumps
Oppositely oriented, therefore when helical axis rotating in same direction, in two pump housings between internal screw-casing and helical axis
The direction that moves up and down of screw-casing just contrary, so that the action just phases completed in two pump housings
Instead, therefore this feather key plays two effects, and one is to avoid screw-casing to rotate, and therefore it to bear bigger
Moment of torsion；Two is the direction that lead screw set moves up and down such that it is able to realizes screw-casing and moves up and down, and sucks
Medium or formation supertension that medium is pressed such that it is able to ensure the simple in construction of this spinning pump, its safety
Reliably.
The vertical double-acting spinning pump of the present invention, described driving means is motor, and described motor is two, and
Two motors coordinate with gear pair simultaneously, and gear pair simultaneously drives the helical axis in two pump housings and rotates.
Owing to have employed said structure, coordinated with gear pair by two motors simultaneously, and driven by gear pair
Helical axis in the dynamic pump housing rotates, it is possible to provides enough power for spinning pump, thus drives helical axis to turn
Dynamic, drive screw-casing to move further, the helical axis produced in supertension, and two pump housings turns simultaneously
Dynamic, two helical axis oppositely oriented so that gear pair rotate the rotation driving helical axis, it is thus possible to
Enough realize two helical axis and lead to rotation, but the screw-casing connected on it then carries out the most contrary action,
Ensure that the spinning pump in two pump housings works simultaneously, and different duty is provided, in two pump housings simultaneously
Work, thus improve its work efficiency so that compact conformation, reduces its cost.
The vertical double-acting spinning pump of the present invention, is provided with thrust axis between upper end and the pump housing of described helical axis
Holding, make helical axis rotate relative to the pump housing, the upper end of described helical axis is connected with gear pair.
Owing to have employed said structure, between upper end and the pump housing of helical axis, it is provided with thrust bearing, thrust axis
Holding can be the most special, to meet demand, this thrust bearing enable to helical axis relative to
While the pump housing rotates, when helical axis rotates, and screw-casing can produce retroaction under the effect of supertension medium
Power, therefore this thrust bearing can rotate while also needing to bear this counteracting force, then by this counteracting force
Being delivered on body, therefore this thrust bearing needs to bear bigger active force, particularly reaches when force value
During more than 250MPa, with greater need for ensureing that it normally uses, it is to avoid security incident occurs, and helical axis is upper simultaneously
End is connected with gear pair so that can control helical axis by gear pair and rotate, it is ensured that it rotates normally,
So that its structure is surely leaned on, safe and feasible.
The vertical double-acting spinning pump of the present invention, gear pair includes the little gear being connected on motor power shaft,
Two little gears all coordinate with middle gear, and the middle lower gear coaxial with middle gear is combined with two helical axis teeth
Wheel, described helical axis gear is connected by gearbox output shaft and helical axis are fixing.
Owing to have employed said structure, this gear pair includes that little a pair gear coordinates with middle gear, and two little
Gear respectively by two driven by motor, simultaneously band disorder of internal organs gear rotate, middle gear be coaxially connected with under
Gear, the number of teeth of two gears is different, and therefore its gear ratio is the most different, and the moment of torsion of transmission is the most different, under
Gear and two helical axis gears coordinate simultaneously, control two helical axis pinion rotation, two helical axis gears respectively
It is connected with helical axis by gearbox output shaft respectively so that helical axis can be with helical axis pinion rotation, with this
By the conversion by gear ratio several times of the output shaft of motor, it is possible to simultaneously drive the spiral in two pump housings
The rotation of axle, with this with minimum gear pair, by suitable gear ratio, it is achieved that driving means such as motors
Optimal proportion so that simple in construction, greatly reduce manufacturing cost.
The vertical double-acting spinning pump of the present invention, described sealing group include O RunddichtringO, L-type sealing ring with
And tongue RunddichtringO, described tongue RunddichtringO is positioned at screw-casing bottom, and the edge of tongue RunddichtringO and pump barrel
Inwall laminating, above the tongue RunddichtringO that described L-type sealing ring is positioned at outside screw-casing, described O type seal
Above the L-type sealing ring that circle is positioned at outside screw-casing.
Owing to have employed said structure, sealing group includes the tongue RunddichtringO being positioned at screw-casing bottom, this tongue type
Sealing ring is mainly used for the sealing of supertension, and the medium between screw-casing and pump barrel is compressed to form superelevation
During pressure, the edge of this tongue RunddichtringO is closely fitted with the inwall of pump barrel, and pressure is bigger, tongue RunddichtringO
Edge the tightst with what the inwall of pump barrel was fitted, more can play the effect of sealing, thus ensure in superelevation
Good sealing effectiveness is possessed in the case of pressure；On the tongue RunddichtringO that L-type sealing ring is positioned at outside screw-casing
Side, the sealing medium of supertension is after the sealing of tongue RunddichtringO, it is possible to after long-term use, its
Leakage somewhat is there may be so that supertension medium flows to above tongue RunddichtringO at sealing, but due to
Its amount is little, and force value the most considerably reduces a lot, due to the inwall laminating of L-type sealing ring with pump barrel,
Make the medium revealed on a small quantity, all blocked by L-type sealing ring, it is ensured that it possesses good sealing property,
Screw-casing round vertically movable during, the medium in pump barrel can lift with the movement of screw-casing,
Therefore medium can be attached on the inwall of pump barrel, and therefore the L-type sealing ring outside screw-casing is provided above O type
Sealing ring, can seal up, by three up hill and dale by medium that is that leave on pump barrel inwall or that somewhat reveal
The sealing lid of layer sealing ring, it is possible to ensure that the sealing of whole supertension spinning pump is good, thoroughly solve super
The interior sealing problem of high pump, it is ensured that manufacture this spinning pump feasibility, and in use, it is achieved close
Envelope durability, it is ensured that it is safe and reliable, and it can be normally used.
The vertical double-acting spinning pump of the present invention, described detecting and controlling system includes speed detector and control
System processed, described speed detector is positioned on gear-box, detects the rotating speed of gear pair and transmits signals to
Control system, described control system connects and controls motor.
Owing to have employed said structure, by the speed detector being arranged on gear-box, in gear pair
Gear carry out Rotating speed measring, then detection signal is transferred in control system, control system according to preset
Program, for controlling rotating forward or the reversion of motor such that it is able to controls to be formed on the contrary between two pump housings
Action, in a pump housing compressed media formed supertension medium time, in another pump housing then in the pump housing suck be situated between
Matter, this medium can be water or oil, when the action in two pump housings is near completion, speed detector
The speed conditions of gear being detected, control system controls motor stalls immediately, controls it more anti-
Turning, so originally begin to suck inside medium in the pump housing of system pressure, script sucks in the pump housing of medium then
Start system pressure, the most repeatedly so that between two pump housings, continuous circulation carries out system pressure repeatedly, sucks medium
Action, two the pump housings linkage so that in hgher efficiency, cost is less expensive, is more suitable for popularization and application.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, the vertical double-acting spinning pump of the present invention, uses vertical structure, and compact conformation, volume is little, weight
Gently, easy to maintenance, with low cost；
2, the vertical double-acting spinning pump of the present invention, can realize variable pressure and changeable flow, and multiple pump it
Between can be in parallel, meet the energy supply at heavy hydraulic station, its good airproof performance, the life-span is long, reliably
Property high, cost performance is high, is suitable for popularization and application.
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 the 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.
Labelling in figure: 1-motor, 2-motor power shaft, 3-gear drive, 4-gear-box, 5-gear-box are defeated
Shaft, 6-helical 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.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually
Beyond the feature repelled mutually and/or step, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), removes
Non-specifically describes, all can be by other equivalences or have the alternative features of similar purpose and replaced.That is, unless
Narration especially, each feature is an example in a series of equivalence or similar characteristics.
As described in Fig. 1 to Fig. 3, embodiment 1, the vertical double-acting spinning pump of the present invention, including gear-box
4, described gear-box 4 is provided with driving means and two pump housings 11, equal company of sealing on arbitrary pump housing 11
It is connected to pump barrel 9, described pump barrel 9 is provided with oil sucting valve 13 and filling valve 14, the described pump housing 11 and pump barrel
The inner wall sealing of screw pair, described screw pair and pump barrel 9 it is provided with in 9, the screw pair in two pump housings 11
Oppositely oriented, described driving means is connected on detecting and controlling system, and described driving means is driven by gear pair
Dynamic screw pair is moved in pump barrel 9, and by medium reverts boil down to supertension medium, the medium used is permissible
For water or oil, both of which can, it is applied widely.Wherein screw pair includes helical axis 6 and screw-casing
7, it is outer and be threaded connection that described screw-casing 7 is placed on helical axis 6, and described screw-casing 7 is built with lubrication
Oil, the lower end of described screw-casing 7 is by sealing group 8 and pump barrel 9 inner wall sealing, and described driving means is passed through
When gear pair drives helical axis 6 to rotate, described screw-casing 7 is vertically movable relative to pump barrel 9, described spiral
Trapezoidal thread, saw-tooth thread or circle-arc screw-thread is used to be connected between axle 6 with screw-casing 7, described screw thread
Helix be bull, therefore can use 2 or 3 or 4, naturally it is also possible to according to reality
Need select, can select to design flight pitch simultaneously, thus meet different pressures value to different flow
Demand, vertical double-acting spinning pump function executing part then pay for spiral, the configuration that spiral is paid is sawtooth
Shape, zigzag part is the main body of stress, and in order to transmit the biggest thrust, the profile of tooth of this part is according to difference
Need be arranged to trapezoidal, zigzag or circular arc, in order to improve the efficiency of transmission and the reasonable of output
Property.Further, the junction at the pump housing 11 with pump barrel 9 is provided with feather key 12, described feather key 12
Gathering sill outside with screw-casing 7 coordinates, and when making helical axis 6 rotate, screw-casing 7 is at the work of feather key 12
Under with vertically movable relative to pump barrel 9, driving means is motor 1, and described motor 1 is two, and two electricity
Machine 1 coordinates with gear pair simultaneously, and the helical axis 6 that gear pair simultaneously drives in two pump housings 11 rotates, it is possible to
To select multiple motor 1 to coordinate with gear pair according to the actual needs simultaneously, it is also possible to use its driving means,
It is advisable with the demand of satisfied reality.
The vertical double-acting spinning pump of the present invention, uses vertical pair of transmission type structure, i.e. has two to drive dress
By one group of two-stage gear driven helical axis 6, screw-casing 7 is then driven to move up and down, the shifting of screw-casing 7
Dynamic is movement under the restriction of a feather key 12, and screw-casing 7 now can not rotate, and can only lead
Rectilinear movement is made to the pipe of key.Due to double fax dynamic formula that is set to of 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 A
The spiral of pump is dextrorotation, and the spiral making B pump is left-handed, and during any pump pressure oiling, then another is inhaled
Oil, 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 all
The reciprocal fuel feeding in even ground.Screw-driven pair must obtain good lubrication, and lubricating system is simplified again simultaneously, to the greatest extent
Amount accomplishes freedom from repairs, and therefore using oil sump self-lubricating type is optimum selection, i.e. arranges lubrication in screw-casing
Oil, from the drive gear box on top to, the hollow portion of bottom, be the cavity reservoir compartment of pump, plentiful
The lubrication of oil supply driving member, and avoid excessive loss, can life-time service, until to the change of oil product
Matter, is just replaced.
Embodiment 2, the vertical double-acting spinning pump of the present invention, the upper end of described helical axis 6 and the pump housing 11
Between be provided with thrust bearing 10, make helical axis 6 rotate relative to the pump housing 11, described helical axis 6 upper
End is connected with gear pair.Gear pair includes the little gear being connected on motor power shaft 2, two little gears simultaneously
All coordinate with middle gear, the middle lower gear coaxial with middle gear is combined with two helical axis gears, described
Helical axis gear is connected by gearbox output shaft 5 is fixing with helical axis 6.
Screw-casing 7 in the pump housing, the function of screw-casing 6 is transmission power and the plunger of pump part, pushes away
Dynamic moving up and down of plunger is promoted by helical axis 6, but the liquid medium in pump barrel 9 simultaneously
It is again to form pressure medium by the sealing group 8 of screw-casing 6 end, so screw-casing is in the functional structure of pump
In be multi-functional plunger, the formation of supertension is completed by sealing group, and sealing group arranges three layers of tight defense
Line, i.e. low pressure, high pressure and supertension, then undertaken by this sealing under which kind of pressure, therefore considerably increase
The life-span sealed and the operating rate of pump.
Point gear drive section 3,4 of spinning pump, pump body portion 11 and pump barrel part 9 are formed, and the pump housing is
The connected body formed a connecting link, and being arranged on fuel tank after whole pump rest, this three part be by bolt and
Thread connection all-in-one-piece, the material structure of every part is also different, accomplishes the use because of material, this uniqueness
Design embody again the convenience of maintenance, pump barrel part must be easy to dismounting, because seal is fixed
Phase is changed, and stage casing and upper part are not to change part.
Embodiment 3, the vertical double-acting spinning pump of the present invention, described sealing group 8 includes O RunddichtringO 8-
1, L-type sealing ring 8-2 and tongue RunddichtringO 8-3, described tongue RunddichtringO 8-3 are positioned at screw-casing 7 end
End, and the inwall laminating of the edge of tongue RunddichtringO 8-3 and pump barrel 9, described L-type sealing ring 8-2 is positioned at
Above tongue RunddichtringO 8-3 outside screw-casing 7, described O RunddichtringO 8-1 is positioned at the L outside screw-casing 7
Above RunddichtringO 8-2.Sealing group arranges three-layer sealed defence line, i.e. low pressure, high pressure and supertension, at what
Plant and then undertaken by this sealing under pressure, therefore considerably increase the life-span of sealing and the operating rate of pump.
Embodiment 4, the vertical double-acting spinning pump of the present invention, described detecting and controlling system includes Rotating speed measring
Device and control system, described speed detector is positioned on gear-box 4, and the rotating speed of detection gear pair is also
Transmitting signals to control system, described control system connects and controls motor 1.By being arranged at gear-box
On speed detector, the gear in gear pair is carried out Rotating speed measring, then detection signal is transferred to
In control system, control system is according to the program preset, for controlling rotating forward or the reversion of motor, thus
Can control to be formed between two pump housings contrary action, in a pump housing, compressed media forms supertension medium
Time, in the pump housing, then sucking medium in another pump housing, this medium can be water or oil, when in two pump housings
Action when being near completion, speed detector detects the speed conditions of gear, and control system controls immediately
Motor stalls, controls its reversion the most again, so originally begins to suck inside Jie in the pump housing of system pressure
Matter, then starts system pressure, the most repeatedly so that between two pump housings constantly in originally sucking the pump housing of medium
Circulation carries out system pressure repeatedly, sucks the action of medium, two pump housing linkages, so that in hgher efficiency, become
This is less expensive, is more suitable for popularization and application.
In above-described embodiment, single double dynamic screw pump can be seen as " a list of a pump power
Unit's body ", according to the needs of pump power, two or more unit can be combined into by one " cell cube "
Body, forms different Hydraulic Station power supply source, meets the supply of required drive, make the supply of supertension power
A difficult problem has obtained good solution, the most also solves the supply problem of batch production and consumable accessory.Due to one
The structure of individual " cell cube " closely, so being also reasonable by the population 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 invention is not limited in aforesaid detailed description of the invention.The present invention expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose arbitrary new method the step of process or appoint
The combination of He Xin.
Claims (7)
1. vertical double-acting spinning pump, it is characterized in that: it includes gear-box (4), driving means and two pump housings (11) it are provided with on described gear-box (4), pump barrel (9) all it is sealedly connected with on arbitrary pump housing (11), oil sucting valve (13) and filling valve (14) it is provided with on described pump barrel (9), it is provided with screw pair in the described pump housing (11) and pump barrel (9), described screw pair and the inner wall sealing of pump barrel (9), screw pair in two pump housings (11) oppositely oriented, described driving means is connected on detecting and controlling system, described driving means drives screw pair to move in pump barrel (9) by gear pair, by medium reverts boil down to supertension medium；Wherein said screw pair includes helical axis (6) and screw-casing (7), described screw-casing (7) is placed on helical axis (6) and outward and is threaded connection, described screw-casing (7) is built with lubricating oil, the lower end of described screw-casing (7) is by sealing group (8) and pump barrel (9) inner wall sealing, when described driving means drives helical axis (6) to rotate by gear pair, described screw-casing (7) is vertically movable relative to pump barrel (9)；The described pump housing (11) is provided with feather key (12) with the junction of pump barrel (9), described feather key (12) coordinates with screw-casing (7) gathering sill outward, when making helical axis (6) rotate, screw-casing (7) is vertically movable relative to pump barrel (9) under the effect of feather key (12).
2. vertical double-acting spinning pump as claimed in claim 1, it is characterised in that: using trapezoidal thread, saw-tooth thread or circle-arc screw-thread to be connected between described helical axis (6) with screw-casing (7), the helix of described screw thread is bull.
3. vertical double-acting spinning pump as claimed in claim 1, it is characterized in that: described driving means is motor (1), described motor (1) is two, and two motors (1) coordinate with gear pair simultaneously, and gear pair simultaneously drives the helical axis (6) in two pump housings (11) and rotates.
4. vertical double-acting spinning pump as claimed in claim 2, it is characterized in that: between upper end and the pump housing (11) of described helical axis (6), be provided with thrust bearing (10), making helical axis (6) rotate relative to the pump housing (11), the upper end of described helical axis (6) is connected with gear pair.
5. vertical double-acting spinning pump as claimed in claim 3, it is characterized in that: gear pair includes the little gear being connected on motor power shaft (2), two little gears all coordinate with middle gear, being combined with two helical axis gears on the middle lower gear coaxial with middle gear, described helical axis gear is connected by gearbox output shaft (5) and helical axis (6) are fixing.
6. the vertical double-acting spinning pump as described in claim 1 or 3 or 4, it is characterized in that: described sealing group (8) includes O RunddichtringO (8-1), L-type sealing ring (8-2) and tongue RunddichtringO (8-3), described tongue RunddichtringO (8-3) is positioned at screw-casing (7) bottom, and the inwall laminating of the edge of tongue RunddichtringO (8-3) and pump barrel (9), described L-type sealing 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 sealing ring (8-2) top outward.
7. the vertical double-acting spinning pump as described in claim 1 or 3 or 4, it is characterized in that: described detecting and controlling system includes speed detector and control system, described speed detector is positioned on gear-box (4), detecting the rotating speed of gear pair and transmit signals 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742144.4A CN104595143B (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
| CN2011104375544A CN102536720A (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104375544A Division CN102536720A (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595143A CN104595143A (en) | 2015-05-06 |
| CN104595143B true CN104595143B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410742144.4A Expired - Fee Related CN104595143B (en) | 2011-12-23 | 2011-12-23 | Vertical double-acting spinning pump |
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| Country | Link |
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| CN (1) | CN104595143B (en) |
Families Citing this family (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 (3)
| 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 |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050019187A1 (en) * | 2003-07-23 | 2005-01-27 | Whitworth Hendon Jerone | Internal screw positive rod displacement metering pump |
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2011
- 2011-12-23 CN CN201410742144.4A patent/CN104595143B/en not_active Expired - Fee Related
Patent Citations (3)
| 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 |
| JP2008208757A (en) * | 2007-02-26 | 2008-09-11 | Gijutsu Kaihatsu Sogo Kenkyusho:Kk | Linear-motion-type pump device |
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| CN104595143A (en) | 2015-05-06 |
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Inventor after: Li Xueying Inventor before: Lao Guanghan |
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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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