CN105387166A - Power transmission shaft and gear assembly synchronous movement mechanical mechanism - Google Patents

Power transmission shaft and gear assembly synchronous movement mechanical mechanism Download PDF

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Publication number
CN105387166A
CN105387166A CN201510512810.XA CN201510512810A CN105387166A CN 105387166 A CN105387166 A CN 105387166A CN 201510512810 A CN201510512810 A CN 201510512810A CN 105387166 A CN105387166 A CN 105387166A
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CN
China
Prior art keywords
gearwheel
transmission shaft
combined support
combined
bent axle
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CN201510512810.XA
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Chinese (zh)
Inventor
王全忠
王鹏
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Individual
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Individual
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Priority to CN201510512810.XA priority Critical patent/CN105387166A/en
Publication of CN105387166A publication Critical patent/CN105387166A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2702/00Combinations of two or more transmissions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a conchoids movement structure, and relates to a power transmission shaft and gear assembly synchronous movement mechanical mechanism. The mechanism comprises at least two large gear combination supporting bodies, a crankshaft, a transmission shaft, a linear movement assembly, and a machine body. Each large gear combination supporting body comprises a large gear, a supporting shaft and at least one set of bearings. Eccentric holes are formed in one side faces of the large gears, the other side faces of the large gears are fixedly connected with the supporting shafts, and the large gears are meshed with a gear on the transmission shaft. Cranks are arranged at the two ends of the crankshaft and rotationally arranged in the eccentric holes of the large gear combination supporting bodies at the ends, and a crankshaft neck of the crankshaft is rotationally connected with the linear movement assembly. The linear movement assembly comprises a cross head, a bearing bush, arc sliding rails, transmission rods, fasteners and the like. A bearing bush hole is formed in the middle of the cross head. The arc sliding rails are fixedly arranged on the two sides of the cross head through the fasteners and combined with a sliding channel of the machine body. The machine body is combined with a cylinder or a cylinder head or a pump head.

Description

A kind of power transmission shaft and gear arrangement are synchronized with the movement mechanical mechanism
Technical field
The invention belongs to movable machinery field, be specifically related to a kind of power transmission shaft and gear arrangement and be synchronized with the movement mechanical mechanism.
Background technique
The motion of smooth block conchoid in mechanical motion be one good theoretical, on over 100 years, at home and abroad proposed, a lot of scholar has also carried out many-sided research, but does not obtain development and substantial application preferably so far.The core technology of smooth block conchoid motion replaces traditional connecting rod with motions such as smooth blocks, has that structure is simple, volume is little, operates steadily, the advantages such as noise is low.Conchoid motion is the combination of reciprocatory motion technology and rotor motion technology.In present conchoid motion, redundancy motion connects more serious, rotary motion body weight is folded more: two straight line motion bodies are when moving, the power acted on same crankshaft journal on engine crankshaft bush is asymmetric, occur that the motoricity of two straight line motion bodies and solid of rotation is interfered mutually, because design gaps and wearing clearance exist, rotary motion body axis and crankshaft rotating axis form irregular angle, and the spin axis of two needle bearings also occurs angle thereupon simultaneously.Theoretical according to the straight conchoid of eccentric sliding block, if straight line motion stroke is large, crankshaft journal is just larger, then the diameter of smooth block is larger, and whole moving body is just more unstable; The athletic meeting acceleration of relative rotary motion body under angle situation appears in axis is to the wearing and tearing of friction pair and produce irregular axial force, makes friction pair discontinuity, easily produces frictional vibration when load running.
Summary of the invention
For the above-mentioned defect existed in prior art, the invention provides a kind of power transmission shaft and gear arrangement and to be synchronized with the movement mechanical mechanism.
The present invention is achieved by the following technical solution, a kind of power transmission shaft and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: it comprises at least two gearwheel combined support bodies, bent axle, transmission shaft, straight line motion assemblying body, body, described gearwheel combined support body comprises gearwheel, back shaft and at least one group of bearing, described gearwheel one side is provided with eccentric opening, its another side is fixedly connected with back shaft, together with gears meshing on described gearwheel on described transmission shaft, the two ends of described bent axle are provided with crank, be arranged in the eccentric opening of end gearwheel combined support body described crank, friction pair is provided with in described eccentric opening, its crankshaft journal of described bent axle is connected with straight line motion assemblying body rotationally,
Described straight line motion assemblying body comprises crosshead, bearing shell, arc-shaped slide rail, drive link, fastening piece etc., described crosshead intermediate position is provided with bearing shell hole, its crankshaft journal of described bent axle is arranged in bearing shell hole rotationally, be provided with bearing shell therebetween, described arc-shaped slide rail is fixedly installed on the both sides of described crosshead by fastening piece, arc-shaped slide rail is combined with body slideway, and crosshead two ends are also connected with drive link, and drive link is combined with piston or plunger;
Described gearwheel combined support body, bent axle, straight line motion assemblying body etc. ride in body.
Described gearwheel combined support body turns two supports, four according to described bent axle two to turn two supports, four and turn three supports or turn branched support more and carry out arranging.
The described four gearwheel combined support bodies turning three supports or turn branched support structure more comprise at least two end gearwheel combined support bodies and at least one Gear combination support broad in the middle, and described its bi-side of Gear combination support broad in the middle are provided with eccentric opening.
Described gearwheel combined support body is Curved shaft support body, and meanwhile, described gearwheel combined support body is synchronous driving body.
The axis of the described axis of gearwheel combined support body, the axis of bent axle and described transmission shaft is parallel to each other.
Described straight line motion body stroke depends on the size of crank and crankshaft journal and gearwheel combined support body eccentric opening distance.
A pairing processing technology for the gearwheel of gearwheel combined support body and the coupling gear of transmission shaft, it is characterized in that, concrete steps are as follows:
1), synchronous gearwheel support
1. drill centers is distinguished; 2. with the large cylindrical of center hole location roughing, little cylindrical and both ends of the surface; 3. fine finishing large end face, eccentric opening and positioning process hole; 4. two gears are connected with eccentric opening and positioning process hole respectively with technique mandrel and fastening; 5. precision machined bearing platform, cylindrical and tooth processed is positioned at again with center hole; 6. do pairing to indicate, split again after full operation completes;
2) coupling gear, on transmission shaft
1. finish facing, cylindrical, endoporus; 2. keyway is drawn; 3. two driving gear essence reprocessing cylindricals and tooth processed is fixed with technique mandrel and key bar; 4. do pairing to indicate, by packed for standby use after full operation completes.
Usefulness of the present invention is: this device has structure diverse with aforementioned smooth block, and has smooth block or straight conchoid motion theory characteristic, and can make the secondary uniform force of kinetic friction, parts independence is good, unfettered in design; Can alleviate or solve the problems such as aforesaid smooth block straight conchoid axis of movement angle in movement process, reduce the frictional influence to kinematic pair.This conchoid movable machinery can be made: the Long Distances movable machineries such as multi-cylinder is vertical, horizontal, T-shaped, V-type, X-type.
Accompanying drawing explanation
Fig. 1 of the present invention two turns two support drive mechanism schematic diagram;
Fig. 2 of the present invention four turns three support drive mechanism schematic diagram;
Fig. 3 is gearwheel combined support body structure schematic diagram of the present invention;
Fig. 4 is class conchoid movable machinery motion schematic diagram of the present invention;
Fig. 5 is straight line motion composite unit structure schematic diagram of the present invention;
Fig. 6 is X-type structural representation of the present invention;
Fig. 7 is that V-structure of the present invention is used in hydraulic compressor schematic diagram;
In figure: 1, gearwheel combined support body, 11, gearwheel, 12, eccentric opening, 13, back shaft, 14, bearing.2, bent axle, 21, crankshaft journal, 22, crank, 3, transmission shaft, 31, gear, 4, straight line motion assemblying body, 41, crosshead, 42, arc-shaped slide rail, 43, drive link, 44, fastening piece, 45, bearing shell hole, 5, body, 51, body slideway, 6, piston, 7, plunger.
Embodiment
Below by bent axle be two mechanical structures turning two supporting structures as embodiment and by reference to the accompanying drawings to invention further instruction:
As shown in drawings, a kind of power transmission shaft and gear arrangement are synchronized with the movement mechanical mechanism, it comprises two gearwheel combined support bodies 1, bent axle 2, transmission shaft 3, straight line motion assemblying body 4, body 5, described gearwheel combined support body 1 comprises gearwheel 11, back shaft 13 and at least one group of bearing 14, described gearwheel 11 one side is provided with eccentric opening 12, its another side is fixedly connected with back shaft 13, described gearwheel 11 meshes together with the gear 31 on described transmission shaft 3, the two ends of described bent axle 2 are provided with crank 22, described crank 22 is arranged in the eccentric opening 12 of gearwheel combined support body 1 rotationally, friction pair is provided with in described eccentric opening 12, the axis of described gearwheel combined support body 1, the axis of bent axle 2 and the axis of described transmission shaft 3 are parallel to each other.Its crankshaft journal 21 of described bent axle 2 is connected with straight line motion assemblying body 4 rotationally.Gearwheel combined support body 1 described in the present embodiment is two, two gearwheel combined support bodies 1 are synchronous driving body, be combined with crank 2 and transmission shaft 3 and realize the stressed symmetry of two overhung cranks 22, avoid bent axle 2 axis in mechanical motion, to occur parallel distortion with each axis on gearwheel combined support body 1.
Described straight line motion assemblying body comprises crosshead 41, bearing shell, arc-shaped slide rail 42, drive link 43, fastening piece 44 etc., described crosshead intermediate position is provided with bearing shell hole 45, its crankshaft journal 21 of described bent axle 2 is arranged in bearing shell hole 45 rotationally, be provided with bearing shell therebetween, described arc-shaped slide rail 42 is fixedly installed on the both sides of described crosshead 41 by fastening piece 44, arc-shaped slide rail 42 is combined with body slideway, crosshead two ends are also connected with drive link 43, and drive link 43 is combined with piston 6 or plunger 7.
Described gearwheel combined support body, bent axle, straight line motion assemblying body etc. ride in body, and body and cylinder body or cylinder head, pump head are combined.
Embodiment 1 is a kind of X-type mechanical structure, described gearwheel combined support body 1, bent axle 2, straight line motion assemblying body 4 etc. ride in body 5, two crankshaft journals 21 of bent axle 2 are furnished with straight line motion assemblying body 4 respectively, two described its axis of straight line motion assemblying body 4 are mutually vertical, crosshead 41 two ends of straight line motion assemblying body 4 are connected with drive link 43, and drive link 43 is combined with piston 6.Transmission shaft 3 drives the rotary motion of gearwheel combined support body 1, and bent axle 2 drives straight line motion assemblying body 4 two-way function acting in body slideway under the effect of gearwheel combined support body 1, thus drives piston 6 to do work.
Embodiment 2 is the embodiment of V-type mechanical structure in the application of plunger pump, described gearwheel combined support body 1, bent axle 2, straight line motion assemblying body 4 etc. ride in body, the crankshaft journal 21 of bent axle 2 is furnished with straight line motion assemblying body 4, crosshead 41 two ends of straight line motion assemblying body 4 are connected with drive link 43, drive link 43 with and plunger 7 be combined.Transmission shaft 3 drives the rotary motion of gearwheel combined support body 1, and 2 bent axles drive straight line motion assemblying body 4 to do work in body slideway 51 under the effect of gearwheel combined support body 1, thus drives plunger 7 to do work.
The form and position tolerance of synchromesh gear parts has particular/special requirement, need match processing and fabricating, applies tooth.Its technical requirements is as follows with pairing processing technology:
1), synchronous gearwheel support: the gearwheel assemblying body on an axis, the eccentric opening on it, back shaft axis want consistent with the machining tolerance of profile of tooth, teeth directional, and use tooth.For ensureing the uniformity of synchromesh gear, therefore use disjunctor processing technology, that is: 1. distinguish drill centers; 2. with the large cylindrical of center hole location roughing, little cylindrical and both ends of the surface; 3. fine finishing large end face, eccentric opening and positioning process hole; 4. two gears are connected with eccentric opening and positioning process hole respectively with technique mandrel and fastening; 5. precision machined bearing platform, cylindrical and tooth processed is positioned at again with center hole; 6. do pairing to indicate, split again after full operation completes.
2) the driving gear profile of tooth, on transmission shaft, the machining tolerance of teeth directional and each axis also want consistent, and match and gearwheel uses tooth.Its processing technology: 1. finish facing, cylindrical, endoporus; 2. keyway is drawn; 3. two driving gear essence reprocessing cylindricals and tooth processed is fixed with technique mandrel and key bar; 4. do pairing to indicate, by packed for standby use after full operation completes.

Claims (7)

1. a power transmission shaft and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: it comprises at least two gearwheel combined support bodies, bent axle, transmission shaft, straight line motion assemblying body, body, described gearwheel combined support body comprises gearwheel, back shaft and at least one group of bearing, described gearwheel one side is provided with eccentric opening, its another side is fixedly connected with back shaft, together with gears meshing on described gearwheel on described transmission shaft, the two ends of described bent axle are provided with crank, be arranged in the eccentric opening of end gearwheel combined support body described crank, friction pair is provided with in described eccentric opening, its crankshaft journal of described bent axle is connected with straight line motion assemblying body rotationally,
Described straight line motion assemblying body comprises crosshead, bearing shell, arc-shaped slide rail, drive link, fastening piece etc., described crosshead intermediate position is provided with bearing shell hole, its crankshaft journal of described bent axle is arranged in bearing shell hole rotationally, be provided with bearing shell therebetween, described arc-shaped slide rail is fixedly installed on the both sides of described crosshead by fastening piece, arc-shaped slide rail is combined with body slideway, and crosshead two ends are also connected with drive link, and drive link is combined with piston or plunger;
Described gearwheel combined support body, bent axle, straight line motion assemblying body etc. ride in body.
2. a kind of power transmission shaft according to claim 1 and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: described gearwheel combined support body turns two supports, four according to described bent axle two to turn two supports, four and turn three supports or turn branched support more and carry out arranging.
3. a kind of power transmission shaft according to claim 1 and 2 and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: the described four gearwheel combined support bodies turning three supports or turn branched support structure more comprise at least two end gearwheel combined support bodies and at least one Gear combination support broad in the middle, and described its bi-side of Gear combination support broad in the middle are provided with eccentric opening.
4. a kind of power transmission shaft according to claim 1 and 2 and gear arrangement are synchronized with the movement mechanical mechanism, and it is characterized in that: described gearwheel combined support body is Curved shaft support body, meanwhile, described gearwheel combined support body is synchronous driving body.
5. a kind of power transmission shaft according to claim 1 and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: the axis of the described axis of gearwheel combined support body, the axis of bent axle and described transmission shaft is parallel to each other.
6. a kind of power transmission shaft according to claim 1 and gear arrangement are synchronized with the movement mechanical mechanism, it is characterized in that: described straight line motion body stroke depends on the size of crank and crankshaft journal and gearwheel combined support body eccentric opening distance.
7. a pairing processing technology for the gearwheel of gearwheel combined support body and the coupling gear of transmission shaft, it is characterized in that, concrete steps are as follows:
1), synchronous gearwheel support
1. drill centers is distinguished; 2. with the large cylindrical of center hole location roughing, little cylindrical and both ends of the surface; 3. fine finishing large end face, eccentric opening and positioning process hole; 4. two gears are connected with eccentric opening and positioning process hole respectively with technique mandrel and fastening; 5. precision machined bearing platform, cylindrical and tooth processed is positioned at again with center hole; 6. do pairing to indicate, split again after full operation completes;
2) coupling gear, on transmission shaft
1. finish facing, cylindrical, endoporus; 2. keyway is drawn; 3. two driving gear essence reprocessing cylindricals and tooth processed is fixed with technique mandrel and key bar; 4. do pairing to indicate, by packed for standby use after full operation completes.
CN201510512810.XA 2015-08-19 2015-08-19 Power transmission shaft and gear assembly synchronous movement mechanical mechanism Pending CN105387166A (en)

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Application Number Priority Date Filing Date Title
CN201510512810.XA CN105387166A (en) 2015-08-19 2015-08-19 Power transmission shaft and gear assembly synchronous movement mechanical mechanism

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Application Number Priority Date Filing Date Title
CN201510512810.XA CN105387166A (en) 2015-08-19 2015-08-19 Power transmission shaft and gear assembly synchronous movement mechanical mechanism

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Publication Number Publication Date
CN105387166A true CN105387166A (en) 2016-03-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404246A (en) * 2018-09-10 2019-03-01 北京隧盾市政建设有限公司 A kind of Double-liquid mud-injection pump

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350470A1 (en) * 1972-10-11 1974-05-02 Moeller Reiner DOUBLE CRANK DRIVE FOR PISTON MACHINES
CN85200337U (en) * 1985-04-01 1985-09-10 黎正中 Reciprocating piston ic engine with round crank slider
CN2743556Y (en) * 2004-11-01 2005-11-30 杨连生 Full balancing internal combustion engine
CN2779160Y (en) * 2005-03-10 2006-05-10 大港油田集团有限责任公司 Double side gear-reduction unit of reciprocating type water flood pump
CN101858275A (en) * 2010-04-29 2010-10-13 中清能(北京)科技有限公司 Piston used for connection rod-free reciprocating-rotating movement converting device and equipment thereof
CN101893075A (en) * 2009-10-16 2010-11-24 北京中清能发动机技术有限公司 Mechanism capable of converting rotating motion and reciprocating motion and components and equipment thereof
CN102069722A (en) * 2010-12-30 2011-05-25 芜湖瑞科技术有限公司 No-connecting rod power distance-increasing device for electric automobile
CN205036811U (en) * 2015-08-19 2016-02-17 王全忠 Power transmission shaft and fit simultaneous movement mechanical mechanism of gear train

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350470A1 (en) * 1972-10-11 1974-05-02 Moeller Reiner DOUBLE CRANK DRIVE FOR PISTON MACHINES
CN85200337U (en) * 1985-04-01 1985-09-10 黎正中 Reciprocating piston ic engine with round crank slider
CN2743556Y (en) * 2004-11-01 2005-11-30 杨连生 Full balancing internal combustion engine
CN2779160Y (en) * 2005-03-10 2006-05-10 大港油田集团有限责任公司 Double side gear-reduction unit of reciprocating type water flood pump
CN101893075A (en) * 2009-10-16 2010-11-24 北京中清能发动机技术有限公司 Mechanism capable of converting rotating motion and reciprocating motion and components and equipment thereof
CN101858275A (en) * 2010-04-29 2010-10-13 中清能(北京)科技有限公司 Piston used for connection rod-free reciprocating-rotating movement converting device and equipment thereof
CN102069722A (en) * 2010-12-30 2011-05-25 芜湖瑞科技术有限公司 No-connecting rod power distance-increasing device for electric automobile
CN205036811U (en) * 2015-08-19 2016-02-17 王全忠 Power transmission shaft and fit simultaneous movement mechanical mechanism of gear train

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Title
李龙根: "《机械制造技术》", 31 August 2014, 上海交通大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404246A (en) * 2018-09-10 2019-03-01 北京隧盾市政建设有限公司 A kind of Double-liquid mud-injection pump

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Application publication date: 20160309