CN106089698B - A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement - Google Patents

A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement Download PDF

Info

Publication number
CN106089698B
CN106089698B CN201610636204.3A CN201610636204A CN106089698B CN 106089698 B CN106089698 B CN 106089698B CN 201610636204 A CN201610636204 A CN 201610636204A CN 106089698 B CN106089698 B CN 106089698B
Authority
CN
China
Prior art keywords
screw rotor
casing
screw
medium
ellipse
Prior art date
Application number
CN201610636204.3A
Other languages
Chinese (zh)
Other versions
CN106089698A (en
Inventor
王增丽
申迎峰
王宗明
王振波
王君
Original Assignee
中国石油大学(华东)
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 中国石油大学(华东) filed Critical 中国石油大学(华东)
Priority to CN201610636204.3A priority Critical patent/CN106089698B/en
Publication of CN106089698A publication Critical patent/CN106089698A/en
Application granted granted Critical
Publication of CN106089698B publication Critical patent/CN106089698B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001Pumps for particular liquids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0007Radial sealings for working fluid
    • F04C15/0019Radial sealing elements specially adapted for intermeshing-engagement type machines or pumps, e.g. gear machines or pumps

Abstract

A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement, belong to screw pump Meshing Pair technical field.It is characterized in that:The screw rotor(8)Including end of engagement and material inlet end, end of engagement both sides and casing(3)Between be equipped with two groups of symmetrical ovaloid seal disks(5), two groups of ovaloid seal disks(5)Pass through rotary shaft respectively(4)It is rotatably installed in screw rotor(8)Both sides, screw rotor(8)It is equipped with and two groups of ovaloid seal disks(5)The mesh groove being meshed(804), the screw rotor(8)Material inlet end be equipped with entrance helicla flute(803).The present invention is at a fully engaged by ovaloid seal disk and the mesh groove on screw rotor, form self drive, realize the rotary motion from driving by screw rotor, ovaloid seal disk forms two periodically variable working chamber volumes, the capacity utilization for improving seal disc and screw rod ensure that screw pump reliability of operation and stability.

Description

A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement

Technical field

A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement, belong to screw pump Meshing Pair technology Field.

Background technology

In recent years, with the continuous reduction of landing field fossil resource reserves, the exploitation and transport of Marine oil and gas resource obtain Rapidly development, but the marine environmental pollution problem that offshore oil and gas field exploitation is brought is more and more prominent, extensive oil spill accident The probability of generation is also increasing.Marine oil overflow is fast and effectively recycled, for the marine eco-environment protection and Human survival is vital safely.On the other hand, in petrochemical production process, a large amount of oily sludge waste is not Stopping pregnancy is raw and accumulates, and needs periodic cleaning.But since animal may be mingled in this part marine oil overflow and oily sludge The solid impurities such as corpse, house refuse so that traditional fluid pumping apparatus exists to medium viscosity bad adaptability, easily due to it The shortcomings of abrasion, has not been well positioned to meet the requirement of marine sump oil conveying.

In order to realize the pump function of impure more high viscosity oil sludge, it is currently suggested two different screw pumps Use Meshing Pair:The Meshing Pair of Meshing Pair and eccentric disc and screw rotor cooperation with tooth seal disc and screw rotor cooperation.Its Middle existing literature(The patent No.:WO 82/03428)A kind of Meshing Pair with tooth seal disc and screw rotor cooperation is proposed, it is close It seals and carries multiple sealing teeth on disk, in the screw pump course of work, by what is opened up on the sealing tooth and screw rotor on disk Gear motion is realized in helicla flute cooperation, and cooperatively forms periodically variable working chamber volume with casing, realizes high viscosity medium Conveying.But this sealed disc with toothing limits the flow of single-screw (single screw) pump, also results in seal disc tooth and screw rotor The friction and wear of slot side.

In order to improve flow and reduce abrasion, existing literature(The patent No.:WO 91/14869, US005395225A, EP0523113B1)Propose the Meshing Pair of a kind of eccentric sealed disk and screw rotor cooperation, it is close in the screw pump course of work Uniform wear is formed between closing disk and screw rotor, extends service life.It is existing in order to further increase the conveying capacity of screw pump There is document(The patent No.:WO 00/05503, US006447275B1, EP1097305B1)It is middle to propose to turn eccentric disc and screw rod The Meshing Pair of son cooperation has carried out structure improvement, shortens screw rotor entrance and arrives the distance between compression section.But it is this The Meshing Pair of eccentric disc and screw rotor cooperation is in the entire pump housing course of work, only part seal disc and screw rotor Mesh regional is the working region for pumping fluid, and another part mesh regional is backhaul area, leads to the utilization rate of screw rotor It is relatively low.And this engagement feature prevents two seal discs to be rotated from being driven by screw rotor, is closed to meet periodic motion It is to need additional auxiliary connecting device between two seal discs, lead to the complicated of screw pump, it is bulky, heavy, to containing The adaptability of more impurity media is poor, and the presence of auxiliary connecting device is but also screw pump reliability of operation and efficiency drop significantly It is low.

Invention content

The technical problem to be solved by the present invention is to:Overcome the deficiencies of the prior art and provide one kind can convey it is high viscous, more Impurity fluid media (medium), discharge capacity is big, and it is secondary that height simple in structure glues more impurity fluid media (medium) conveying double helix ellipse sealed engagement.

The technical solution adopted by the present invention to solve the technical problems is:This kind of height glues more impurity fluid media (medium)s and conveys with double Spiral ellipse sealed engagement is secondary, including screw rotor and casing, and screw rotor is mounted in casing, it is characterised in that:Described Screw rotor includes end of engagement and material inlet end, and it is close that two groups of symmetrical ellipses are equipped between end of engagement both sides and casing Closing disk, two groups of ovaloid seal disks are rotatably installed in by rotary shaft in casing respectively, are arranged on screw rotor and two groups The material inlet end of the mesh groove that ovaloid seal disk is meshed, the screw rotor is equipped with entrance helicla flute, and object Expect that arrival end end connects actuating unit, end of engagement connects casing by outlet end cap.

Change existing engaging structure, the structure symmetrically engaged using both sides, the engagement of screw rotor in the Meshing Pair It is provided with mesh groove on end, while symmetrically arranged oval seal disc, and oval seal disc are set in the both sides of screw rotor It can be rotated freely around its geometric center.Ovaloid seal disk is arranged symmetrically in screw rotor both sides, and screw rotor is close with ellipse Closing disk intermeshing composition Meshing Pair, forms self drive, and by above-mentioned engagement driving force, seal disc realization is driven by screw rotor It is dynamic from rotary motion.

What two major semiaxis sides of ovaloid seal disk and semi-minor axis side were opened up with end of engagement on screw rotor successively Mesh groove matches, wherein the mesh regional of semi-minor axis side and mesh groove be transitional region, major semiaxis side with engage The mesh regional of groove is working region, meets space meshing theory between contact point, to realize gear motion.Ellipse is close Closing disk is with during screw rotor mesh groove gear motion, and under the cooperation in casing inner wall face, each formation two periodically becomes The working chamber of change can realize four discharge opeing process in a working cycles, realize that the continuity of fluid smoothly pumps work With improving the pump output and traveling comfort in the screw pump unit interval.

As a result, in screw rotor rotary course, the mesh groove long semi-minor axis side with two ovaloid seal disks respectively Complete engagement is realized successively, and ensureing can be completely by spiral shell in the case where not needing accessory drives in entire working cycles The driving rotation of bar rotor.Screw rotor with mesh groove rotates a circle, the ovaloid seal disks of both sides respectively with engage it is recessed Slot cooperation carries out gear motion twice, forms Dual-fluid channel, improves the utilization rate of screw rotor, completes four drains altogether Journey, to improve the working efficiency of seal disc and screw rod, lifting rate increases, and screw rod space availability ratio is improved, subtracts simultaneously Light screw rod weight.

Preferably, the entrance helicla flute at the material inlet end of screw rotor is designed using varying pitch, according to the circulation of material Direction, screw pitch gradually increase and form medium inlet flow channel, can effectively reduce media interior leakage.

Phase difference between two groups of ovaloid seal disks is 180 degree.The long semi-minor axis of two ovaloid seal disks Side realizes with the mesh groove of screw rotor completely engages that respectively phase differs 180 ° successively, ensures to follow in entire work It can be driven and be rotated by screw rotor completely in the case of not needing accessory drives in ring.Screw rod with mesh groove turns Son rotates a circle, and the ovaloid seal disk of both sides cooperatively forms periodically variable work with mesh groove and chassis cavity respectively Chamber.

The rotary shaft is set at the geometric center of seal disc, and rotary shaft both sides are fixed by seal disc bearing respectively On casing.The structure of shaft bearings at both ends positioning can weaken the vibrations of shaft in the screw pump course of work, to reduce work Friction, abrasion during work between seal disc and screw rotor and vibration improve the stability and reliability of screw rod pump operation.

It is coated with rubber coating on the ovaloid seal disk.Preferably, multiple be used for is set on ovaloid seal disk Rubber coating can be firmly coated on ovaloid seal disk by multiple through-holes, and passed through by the through-hole for fastening rubber coating Rubber coating increases the supercharging effect between ovaloid seal disk and material.

The casing includes upper casing and lower casing, and upper casing and lower casing are the shell of outwardly convex, two housings Between formed Meshing Pair working chamber.

Described casing one end is equipped with link, connects actuating unit by link, the link includes fixed big Ring, the small ring of connection and dowel, the diameter of fixed big ring, which is more than, connects small ring, the big ring of fixation disposed in parallel and connect small ring it Between it is coaxially connected by a plurality of dowel of annular setting, formed between fixed big ring and the small ring of connection and accommodate the screw rotor The space at material inlet end.

Link is fixedly mounted on the arrival end of screw pump, opens that there are three fan-shaped window and a centre bores on end face. The screw rod end axis of screw rotor is connected by the centre bore of link with drive motor.In the screw pump course of work, the spiral shell of rotation The screw rod sword side of bar rotor and the fan-shaped window of link coordinate, and can realize the effect of broken bulk solid impurity, to anti- The blocking of pump housing runner is stopped.

The screw rotor includes screw rod end axis and screw rod tailing axle, and screw rod end axis is fixed on the material inlet of screw rotor End, screw rod tailing axle is held to be fixed on the end of engagement end of screw rotor.

Screw rod sword wing's profit of the entrance helicla flute of screw rotor arrival end, forms shearing with link and combines, play The effect of broken bulk solid impurity, can prevent the pump housing runner from blocking, and ensure that high viscous more impurity fluid media (medium) conveying spiral shells The reliability of bar pump;To prevent internal leakage, entrance helicla flute from being designed using varying pitch, medium inlet flow channel is formed;Spiral shell Rotation groove is engaged with ovaloid seal disk, and realizes the supercharging to medium here;Screw rod tailing axle passes through bearing and outlet end cap It is connected, plays standing screw.

The actuating unit is hydraulic power mechanism, including hydraulic motor and shaft coupling, the power output of hydraulic motor The material inlet end that end passes through shaft coupling connecting screw rotor.

Compared with prior art, advantageous effect possessed by the present invention is:Spiral ellipse proposed by the invention first is close Meshing Pair is sealed, it is at a fully engaged by ovaloid seal disk and the mesh groove on screw rotor, self drive is formed, is realized by spiral shell Bar rotor avoids that be arranged attached mechanical transmission mechanism between two seal discs stuck from the rotary motion of driving, causes spiral shell The problem of bar pump is shut down;Secondly, in Meshing Pair motion process, the two long semi-minor axis side of ovaloid seal disk respectively with screw rod The helicla flute opened up on rotor and the cooperation of casing inner wall face, form two periodically variable working chamber volumes, realize that fluid is situated between The conveying of matter.The design of dual channel improves the capacity utilization of seal disc and screw rod, and due to no longer existing so-called time Journey area(I.e. seal disc does not do work to medium), the opposite extension of seal disc service life, the working efficiency raising of screw pump;And spiral shape The sword side of screw rod is combined with link, can the larger solid sundries of fragmentation volume, prevent pump housing runner block, to ensure that Screw pump reliability of operation and stability.

Description of the drawings

Fig. 1 is to sealingly engage sub-screw using double helix ellipse to pump half-section diagram.

Fig. 2 is that double helix ellipse sealingly engages secondary front view.

Fig. 3 is that the positions Fig. 2 turn over 90 degree of structural schematic diagrams.

Fig. 4 is the sectional view schematic diagram of the positions I-I in Fig. 1.

Fig. 5 is connecting frame structure front view schematic diagram.

Fig. 6 is connecting frame structure side view schematic diagram.

Wherein, 1, hydraulic motor 2, link 201, fixed big ring 202, the small ring 203 of connection, dowel 3, Casing 301, upper casing 302, lower casing 4, rotary shaft 5, ovaloid seal disk 6, seal disc bearing 7, outlet End cap 8, screw rotor 801, screw rod end axis 802, screw rod sword side 803, entrance helicla flute 804, mesh groove 805, screw rod tailing axle 9, shaft coupling 10, rubber coating 11, bearing with end cover.

Specific implementation mode

Fig. 1 ~ 6 are highly preferred embodiment of the present invention, and 1 ~ 6 the present invention will be further described below in conjunction with the accompanying drawings.

With reference to attached drawing 1:A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement, including screw rod turns Son 8 and casing 3, screw rotor 8 are mounted in casing 3, and screw rotor 8 includes end of engagement and material inlet end, screw rotor 8 Two groups of symmetrical ovaloid seal disks 5 are equipped between end of engagement both sides and casing 3, two groups of ovaloid seal disks 5 lead to respectively It crosses rotary shaft 4 and is rotatably installed in 8 both sides of screw rotor, be arranged on screw rotor 8 and be meshed with two groups of ovaloid seal disks 5 Mesh groove 804, the material inlet end of screw rotor 8 connects actuating unit, and end of engagement passes through outlet end cap 7 and connects casing 3. Phase difference between two groups of ovaloid seal disks 5 is 180 degree.

Screw rotor 8 includes screw rod end axis 801, screw rod sword side 802, entrance helicla flute 803 and screw rod tailing axle 805, screw rod End axis 801 is fixed on the material inlet end of screw rotor 8, and screw rod tailing axle 805 is fixed on the end of engagement of screw rotor 8, and screw rod turns The material inlet end of son 8 is equipped with entrance helicla flute 803, and the edge of entrance helicla flute 803 is equipped with screw rod sword side 802.

Rotary shaft 4 is set at the geometric center of seal disc, and 4 both sides of rotary shaft are fixed on by seal disc bearing 6 respectively On casing 3.Rubber coating 10 is coated on ovaloid seal disk 5.Actuating unit is hydraulic power mechanism, including 1 He of hydraulic motor Shaft coupling 9,1 one end of hydraulic motor are fixedly connected with link 2, and the power output end of hydraulic motor 1 passes through 9 connecting screw of shaft coupling The material inlet end of rotor 8, specifically, the output shaft of hydraulic motor 1 passes through 9 connecting screw end axis 801 of shaft coupling.Rotary shaft 4 The structure of bearings at both ends positioning can weaken the vibrations of shaft in the screw pump course of work, oval in the course of work to reduce Friction, abrasion between seal disc 5 and screw rotor 8 and vibration improve the stability and reliability of screw rod pump operation.

Casing 3 includes upper casing 301 and lower casing 302, and upper casing 301 and lower casing 302 are the shell of outwardly convex, The working chamber of Meshing Pair is formed between two housings.

3 one end of casing is equipped with link 2, actuating unit is connected by link 2, as it can be seen in figures 5 and 6, link 2 includes Fixed big ring 201, the small ring 202 of connection and dowel 203, the diameter of fixed big ring 201, which is more than, connects small ring 202, is arranged in parallel The big ring 201 of fixation and the small ring of connection 202 between, fixed big ring 201 coaxially connected by a plurality of dowel 203 of annular setting The space for accommodating 8 material inlet end of screw rotor is formed between small ring 202 with connecting.Link 2 is fixedly mounted on screw rotor 8 Arrival end, open that there are three fan-shaped window and a centre bores on end face.The screw rod end axis 801 of screw rotor 8 passes through connection The centre bore for connecting small ring 202 of frame 2 is connected with driving hydraulic motor 1, transmits torque drive screw rotor 8 and rotates.Screw rod turns In sub 8 rotary courses, the long semi-minor axis sides of two ovaloid seal disks 5 successively with two spiral grooves 804 of screw rotor 8 Spatial conjugate movement is realized in cooperation.Under the action of engaging driving force, two ovaloid seal disks 5 are in entire working cycles Can realize by screw rotor 8 drive from rotary motion, eliminate complicated accessory drives so that entire screw pump knot Structure is simpler, power consumption smaller.In the course of work, the screw rod of the entrance helicla flute 803 at the material inlet end of the screw rotor 8 of rotation Sword side 802 and the fan-shaped window of link 2 coordinate, and the effect of broken bulk solid impurity can be realized, to prevent the pump housing Runner blocks.

Entire screw pump is divided by function:Power input section, entrance, boost section and outlet section.Wherein drive hydraulic pressure horse It is mounted on power input section up to 1, and is connected with screw rod end axis 801 by shaft coupling 9.Screw rod with double mesh grooves 804 turns Son 8 is mounted in casing 3, and forms Meshing Pair with the ovaloid seal disk 5 for being arranged symmetrically in its both sides.The screw pump course of work In, hydraulic motor 1 transmits torque by shaft coupling 9 to screw rotor 8, under the drive of driving torque, carries mesh groove 804 Screw rotor 8 rotated around its central axes in the casing 3, pumped (conveying) medium enters the two entrances spiral shell of screw rotor 8 from entrance Spin slot 803, after the secondary supercharging of boost section spiral ellipse sealed engagement, medium reaches outlet section, through 7 row of outlet end cap after Go out the pump housing, realizes the continuous conveying of High-Sr granite medium.

During the secondary gear motion of spiral ellipse sealed engagement, Meshing Pair cooperatively forms periodical change with 3 internal face of casing The working chamber volume of change, to realize the conveying function of fluid media (medium).And two ovaloid seal disks 5 are matched with mesh groove 804 This unique texture closed so that form Dual-fluid channel on screw rotor 8, can be realized in a working cycles four times Discharge opeing process, which increases the stationarities of the volumetric efficiency of screw pump and drain.Still further aspect, 8 entrance of screw rotor Than sharp, screw rod sword side 802 forms shearing with link 2 and combines, and plays on the screw rod sword side 802 of the entrance helicla flute 803 at end The effect of broken bulk solid impurity, can prevent the pump housing runner from blocking;To prevent internal leakage, entrance helicla flute 803 from using Varying pitch designs, and forms medium inlet flow channel;Mesh groove 804 is engaged with ovaloid seal disk 5, and realization pair here The supercharging of medium;Then, medium discharges;Screw rod tailing axle 805 is connected by bearing with end cover 11 with outlet end cap 7, is risen and is fixed The effect of screw rotor 8.Fig. 3 is that the positions Fig. 2 turn over 90 degree, and the shape of screw rotor 8 is geometrically symmetric.

The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.

Claims (7)

1. a kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement, including screw rotor(8)And casing (3), screw rotor(8)Mounted on casing(3)It is interior, it is characterised in that:The screw rotor(8)Enter including end of engagement and material Mouth end, end of engagement both sides and casing(3)Between be equipped with two groups of symmetrical ovaloid seal disks(5), two groups of ovaloid seals Disk(5)Pass through rotary shaft respectively(4)It is rotatably installed in screw rotor(8)Both sides, screw rotor(8)It is equipped with and two groups of ellipses Seal disc(5)The mesh groove being meshed(804), the screw rotor(8)Material inlet end be equipped with entrance helicla flute (803), and material inlet end end connects actuating unit, end of engagement passes through outlet end cap(7)Connect casing(3);The rotation Shaft(4)It is set on ovaloid seal disk(5)Geometric center at, rotary shaft(4)Both ends pass through seal disc bearing respectively(6)Gu It is scheduled on casing(3)On.
2. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:Two groups of ovaloid seal disks(5)Between phase difference be 180 degree.
3. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:The ovaloid seal disk(5)On be coated with rubber coating(10).
4. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:The casing(3)Including upper casing(301)And lower casing(302), upper casing(301)And lower casing(302) For the shell of outwardly convex, the working chamber of Meshing Pair is formed between two housings.
5. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:The casing(3)One end is equipped with link(2), pass through link(2)Connect actuating unit, the link (2)Including the big ring of fixation(201), the small ring of connection(202)And dowel(203), fixed big ring(201)Diameter be more than connect it is small Ring(202), the big ring of fixation disposed in parallel(201)With the small ring of connection(202)Between pass through annular setting a plurality of dowel (203)It is coaxially connected, fixed big ring(201)With connect small ring(202)Between formed and accommodate the screw rotor(8)Material inlet The space at end.
6. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:The screw rotor(8)Including screw rod end axis(801)With screw rod tailing axle(805), screw rod end axis(801)It is fixed In screw rotor(8)Material inlet end end, screw rod tailing axle(805)It is fixed on screw rotor(8)End of engagement end.
7. a kind of high viscous more impurity fluid media (medium) conveyings according to claim 1 are secondary with double helix ellipse sealed engagement, It is characterized in that:The actuating unit is hydraulic power mechanism, including hydraulic motor(1)And shaft coupling(9), hydraulic motor(1) Power output end pass through shaft coupling(9)Connecting screw rotor(8)Material inlet end.
CN201610636204.3A 2016-08-05 2016-08-05 A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement CN106089698B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610636204.3A CN106089698B (en) 2016-08-05 2016-08-05 A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610636204.3A CN106089698B (en) 2016-08-05 2016-08-05 A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement

Publications (2)

Publication Number Publication Date
CN106089698A CN106089698A (en) 2016-11-09
CN106089698B true CN106089698B (en) 2018-09-18

Family

ID=57454384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610636204.3A CN106089698B (en) 2016-08-05 2016-08-05 A kind of high viscous more impurity fluid media (medium) conveyings are secondary with double helix ellipse sealed engagement

Country Status (1)

Country Link
CN (1) CN106089698B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59306164D1 (en) * 1992-09-18 1997-05-22 Berstorff Gmbh Masch Hermann Device for degassing in particular thermoplastic plastic melts
CN1176877A (en) * 1997-09-03 1998-03-25 青岛化工学院 Screw engaging feeding method for extruder
CN1242476A (en) * 1998-07-20 2000-01-26 高家榕 Spiral rotator positive-displacement pump for transporting fluidized concrete
US7188602B1 (en) * 2004-07-14 2007-03-13 Clr, Llc Concentric internal combustion rotary engine
CN104626483B (en) * 2015-02-10 2016-08-24 北京化工大学 A kind of annular multiscrew mixing injection integrally forming machine
CN104816447B (en) * 2015-04-30 2017-03-08 青岛科技大学 A kind of planetary gear type kneading device
CN204847181U (en) * 2015-07-23 2015-12-09 天津泵业机械集团有限公司 Horizontal non -current material quimby pump

Also Published As

Publication number Publication date
CN106089698A (en) 2016-11-09

Similar Documents

Publication Publication Date Title
CN103890304B (en) Downhole motors and pumps with asymmetric lobes
CN104669657B (en) A kind of forcing press
CN1270118C (en) Valve driving device and series thereof
CN1316162C (en) Medium-high pressure gear pump having asymmetric double-circular-arc gear shape
CN1875189B (en) Double or multiple pump
US8602127B2 (en) High temperature drilling motor drive with cycloidal speed reducer
WO2016150149A1 (en) Improved wobble plate decelerator
CN102587775B (en) A kind of damping structure
CN100427801C (en) Star wheel reducer
CN201437715U (en) Low-frequency-stroke oil-extractor reducer with lubricating system
CN204074277U (en) A kind of horizontal spiral centrifuge
CN201420836Y (en) Reducer with compound structure of similar cycloid gears and planetary gear
CN201539403U (en) Non-vibration rotor and rotor pump
CN202508584U (en) Double-layer screw conveying device
CN205026121U (en) Sealed rotatory slide valve of multi -door overlapping of modular
CN106014971B (en) A kind of eccentric revolution grouting pump of big flow and its application method
US20080138230A1 (en) Pressure Sealed Tapered Screw Pump/Motor
BR0108961B1 (en) indented rotor assembly and process for producing an indented rotor assembly.
CN201925133U (en) Electric diaphragm pump
CN204974005U (en) Cone crusher epicyclie gear mantle drive structure
CN108993655A (en) A kind of anti-clogging good crushing effect scraps glass crushing device
CN102235463A (en) Petroleum drilling trajectory-controlled harmonic gear transmission device
CN201883428U (en) Bidirectional mixing boring tool for mixing pile machine
CN2773313Y (en) Rotor style liquid mechanical device
CN201650259U (en) Harmonic gear transmission device used for petroleum drilling track control

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant