CN114517805A - Flange formula idler gear axle subassembly - Google Patents

Flange formula idler gear axle subassembly Download PDF

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Publication number
CN114517805A
CN114517805A CN202210210426.4A CN202210210426A CN114517805A CN 114517805 A CN114517805 A CN 114517805A CN 202210210426 A CN202210210426 A CN 202210210426A CN 114517805 A CN114517805 A CN 114517805A
Authority
CN
China
Prior art keywords
gear shaft
shaft body
flange
oil duct
connecting flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210210426.4A
Other languages
Chinese (zh)
Inventor
梁振杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN202210210426.4A priority Critical patent/CN114517805A/en
Publication of CN114517805A publication Critical patent/CN114517805A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0475—Engine and gearing, i.e. joint lubrication or cooling or heating thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a flange type idle gear shaft assembly, belongs to the field of idle gear shaft structures, and solves the problem that the existing idle gear shaft is insufficient in connection stability. The connecting flange is arranged at one end of the gear shaft body, a plurality of fastening bolts are connected to the outer edge of the connecting flange, a thrust surface is arranged on one side, close to the gear shaft body, of the connecting flange, and a detachable cover plate is arranged at the other end of the gear shaft body; the gear shaft in vivo be equipped with along the axial oil duct that its axial was arranged, the one end of axial oil duct runs through to the terminal surface of keeping away from gear shaft body one end on the flange, the other end is enclosed construction, just the gear shaft in vivo still be equipped with a plurality of radial oil ducts of radially arranging along it, the both ends of radial oil duct run through to the surface of gear shaft body, just radial oil duct and axial oil duct intercommunication. The flange type idle gear shaft assembly can reduce the deformation of the working cylindrical surface of the idle gear shaft and improve the bending moment resistance of the idle gear shaft.

Description

Flange type idle gear shaft assembly
Technical Field
The present invention relates to an idler gear shaft assembly, and more particularly, it relates to a flange-type idler gear shaft assembly.
Background
The existing idle gear shaft assembly of the diesel engine is generally characterized in that a positioning part of an idle gear shaft is arranged on a solid surface of a cast wall of an end surface of a cylinder block, lubricating oil with pressure required by a kinematic pair is introduced by additionally arranging a drilling oil hole, a thrust surface is additionally arranged on the idle gear shaft according to the direction of axial force generated when the idle gear works, and a group of screw passing holes are formed in the idle gear shaft and are fastened on the cylinder block by screws. The idle gear has various forms, and a part of duplex idle gears also adopt an assembled structure.
Although the structure and the assembly process are simple, sometimes the structure and the diameter size of the idle gear shaft are limited, the positioning size (diameter value) of the set of the nail passing holes and the number of the nail passing holes formed in the idle gear shaft cannot be large enough or enough, when the structure is adopted, only bolts with larger diameters can be selected and tightening torque can be increased, so that the result is that the working cylindrical surface of the idle gear shaft generates overlarge deformation (becomes a drum shape) in a tight state, the matching property with the idle gear bushing is damaged (the gap change is uncontrollable), and because only the end surface of the idle gear shaft is in contact with the cylinder block (the cylinder block is in an as-cast state, the hardness cannot be further improved), the bolt torque is loosened under the condition of overlarge lateral bending moment, and the faults of locking the bushing and breaking the fastening bolt are caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and aims to provide a flange type idle gear shaft assembly which can reduce the deformation of a working cylindrical surface of an idle gear shaft and improve the bending moment resistance of the idle gear shaft.
The technical scheme of the invention is as follows: a flange type idle gear shaft assembly comprises a gear shaft body, wherein one end of the gear shaft body is provided with a connecting flange, the outer edge of the connecting flange is connected with a plurality of fastening bolts, one side, close to the gear shaft body, of the connecting flange is provided with a thrust surface, and the other end of the gear shaft body is provided with a detachable cover plate; the internal axial oil duct that arranges along its axial that is equipped with of gear shaft, the one end of axial oil duct runs through to the terminal surface of keeping away from gear shaft body one end on the flange, the other end is the enclosed construction, just the internal radial oil duct that still is equipped with a plurality of edges its radial arrangement of gear shaft, the surface to the gear shaft body is run through at the both ends of radial oil duct, just radial oil duct and axial oil duct intercommunication.
As a further improvement, an annular groove is formed in the end face of the connecting flange on the periphery of the axial oil duct, and a sealing ring is embedded in the annular groove.
Furthermore, a positioning cylinder is arranged in the center of the end face of one end, far away from the gear shaft body, of the connecting flange.
Furthermore, the outer wall of the connecting flange is further provided with a threaded hole communicated with the axial oil duct, an oil passing bolt is connected to the threaded hole in an internal thread mode, and an oil pipe is connected to the oil passing bolt.
Furthermore, a plurality of countersunk holes are formed in the outer edge of the connecting flange, and the fastening bolts are inserted in the countersunk holes.
Furthermore, the cover plate is installed on the end face of the other end of the gear shaft body through a plurality of locking bolts.
Furthermore, the connecting flange, the thrust surface and the gear shaft body are of an integrated structure.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
1. the flange type idle gear shaft assembly of the invention is characterized in that a connecting flange is arranged on a gear shaft body, when the gear shaft is installed, the connecting flange is connected with the assembling and combining surface end of a cylinder body, and is locked by a fastening screw, so as to realize the fixed installation of an idle gear shaft, then the idle gear is sleeved on the gear shaft body, and is limited by a thrust surface and a cover plate, when the idle gear works, the lubricating oil channel constructed by an axial oil channel and a radial oil channel can be used for realizing the lubrication and the cooling of a gear shaft body kinematic pair, the idle gear shaft assembly is used on a diesel engine limited by the structure and the diameter size of the idle gear shaft, a bolt group with small nominal diameter can be selected, the tightening torque is reduced, the deformation of the working cylindrical surface of the idle gear shaft is reduced, the contact area of the end surface of the idle gear shaft and the cylinder body (as cast state) is increased, and the bending moment resistance of the idle gear shaft is improved, the structure is more reliable and stable.
2. According to the flange type idle gear shaft assembly, the oil passing bolt is arranged on the outer wall of the connecting flange and communicated with the axial oil duct, when the oil supply duct meeting the pressure does not exist on the installation part of the cylinder body, pressure oil can be introduced from the corresponding high-pressure oil area through the oil passing bolt and the oil pipe to lubricate and cool the gear shaft body kinematic pair, the lubricating and cooling performances of the idle gear shaft are guaranteed, and the flange type idle gear shaft assembly is suitable for different diesel engines and is wide in application range.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional view A-A of FIG. 1;
fig. 4 is a schematic sectional structure view of the gear shaft body according to the present invention.
Wherein: 1-gear shaft body, 2-connecting flange, 3-fastening bolt, 4-thrust surface, 5-cover plate, 6-axial oil duct, 7-radial oil duct, 8-sealing ring, 9-positioning cylinder, 10-oil passing bolt, 11-oil pipe, 12-counter bore and 13-locking bolt.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-4, the flange type idler gear shaft assembly of the present invention comprises a gear shaft body 1, wherein a connecting flange 2 is disposed at one end of the gear shaft body 1, a plurality of fastening bolts 3 are connected to an outer edge of the connecting flange 2, a thrust surface 4 is disposed on one side of the connecting flange 2 close to the gear shaft body 1, and a detachable cover plate 5 is disposed at the other end of the gear shaft body 1; be equipped with in gear shaft body 1 along the axial oil duct 6 that its axial was arranged, the terminal surface of keeping away from gear shaft body 1 one end on flange 2 is run through to this axial oil duct 6's one end, the other end is the enclosed construction, and still be equipped with a plurality of radial oil ducts 7 of arranging along its radial in the gear shaft body 1, the surface to gear shaft body 1 is run through at the both ends of radial oil duct 7, and radial oil duct 7 and axial oil duct 6 intercommunication, lubricating oil enters into axial oil duct 6 from one side of flange 2, the surface to gear shaft body 1 is gived off to radial oil duct 7 of rethread.
According to the flange type idle gear shaft assembly, the connecting flange 2 is arranged on the gear shaft body 1, when a gear shaft is installed, the connecting flange 2 is connected with the assembling and combining surface end of a cylinder body, and is locked by a fastening screw, so that the idle gear shaft is fixedly installed, then the idle gear is sleeved on the gear shaft body 1, and the thrust surface 4 and the cover plate 5 are used for limiting the idle gear shaft; when the idle gear works, a lubricating oil channel constructed by the axial oil channel 6 and the radial oil channel 7 can be used for lubricating and cooling a gear shaft body kinematic pair, the idle gear shaft assembly is used for a diesel engine limited by the structure and the diameter size of the idle gear shaft, a bolt group with a small nominal diameter can be selected and used, tightening torque is reduced, deformation of a working cylindrical surface of the idle gear shaft is reduced, the contact area between the end surface of the idle gear shaft and a cylinder body (as-cast state) is increased, the bending moment resistance of the idle gear shaft is improved, and the structure is more reliable and stable.
Preferably, an annular groove is formed in the end face of the connecting flange 2 on the periphery of the axial oil duct 6, a sealing ring 8 is embedded in the annular groove, and the sealing ring 8 is an O-shaped sealing ring and used for constructing a sealed lubricating oil duct and improving the sealing performance of lubricating oil.
Preferably, a positioning cylinder 9 is arranged at the center of the end face of one end of the connecting flange 2 far away from the gear shaft body 1, and the positioning cylinder 9 is matched with a positioning hole on the cylinder body and used for rapidly positioning the gear shaft body 1.
Preferably, the outer wall of the connecting flange 2 is further provided with a threaded hole communicated with the axial oil duct 6, the threaded hole is connected with an oil passing bolt 10 in a threaded manner, the oil passing bolt 10 is connected with an oil pipe 11, the oil pipe is communicated with the oil passing bolt 10, and a gasket is arranged between the oil passing bolt 10 and the oil pipe.
The flange formula idler gear axle subassembly of this embodiment, set up oil bolt 10 and 6 intercommunications of axial oil duct through the outer wall at flange 2, when not having the fuel feeding oil duct that accords with pressure on the cylinder block installation position, can be through oil bolt 10, pressure oil is introduced from corresponding high pressure oil district position to oil pipe 11, to the lubrication and the cooling of 1 kinematic pair of gear shaft body, guarantee the moist and cooling performance of idler gear axle shaft, be applicable to on the different diesel engines, application scope is wider.
Preferably, a plurality of counter bores 12 are formed in the outer edge of the connecting flange 2, wherein the fastening bolts 3 are inserted into the counter bores 12 and used for avoiding space for the fastening bolts 3 and placing the fastening bolts 3 to interfere with the idle gear.
Preferably, the cover plate 5 is installed on the end face of the other end of the gear shaft body 1 through a plurality of locking bolts 13, threaded holes corresponding to the locking bolts 13 are formed in the gear shaft body 1, and the cover plate 5 is installed through the bolts 13, so that the idle gear can be conveniently disassembled and assembled.
Preferably, flange 2, thrust face 4 and gear shaft body 1 formula structure as an organic whole, and location cylinder 9 and gear shaft body 1 also formula as an organic whole's structure effectively improves the structural strength of idle gear shaft.
The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (7)

1. A flange type idle gear shaft assembly is characterized by comprising a gear shaft body (1), wherein one end of the gear shaft body (1) is provided with a connecting flange (2), the outer edge of the connecting flange (2) is connected with a plurality of fastening bolts (3), one side, close to the gear shaft body (1), of the connecting flange (2) is provided with a thrust surface (4), and the other end of the gear shaft body (1) is provided with a detachable cover plate (5); gear shaft body (1) in be equipped with axial oil duct (6) of arranging along its axial, the one end of axial oil duct (6) runs through to flange (2) on keep away from the terminal surface of gear shaft body (1) one end, the other end is the enclosed construction, just gear shaft body (1) in still be equipped with a plurality of radial oil ducts (7) of radially arranging along it, the surface to gear shaft body (1) is run through at the both ends of radial oil duct (7), just radial oil duct (7) and axial oil duct (6) intercommunication.
2. The flange type idler gear shaft assembly according to claim 1, wherein an annular groove is formed in the end face of the connecting flange (2) on the periphery of the axial oil duct (6), and a sealing ring (8) is embedded in the annular groove.
3. A flange type idler gear shaft assembly according to claim 1, characterised in that the connecting flange (2) is provided with a positioning cylinder (9) at the centre of one end face thereof remote from the gear shaft body (1).
4. The flange type idle gear shaft assembly according to claim 1, characterized in that the outer wall of the connecting flange (2) is further provided with a threaded hole communicated with the axial oil passage (6), an oil passing bolt (10) is connected to the threaded hole in a threaded manner, and an oil pipe (11) is connected to the oil passing bolt (10).
5. The flange type idler gear shaft assembly according to claim 1, wherein a plurality of countersunk holes (12) are formed in the outer edge of the connecting flange (2), and the fastening bolts (3) are inserted into the countersunk holes (12).
6. A flange type idle gear shaft assembly according to claim 1, characterized in that said cover plate (5) is installed on the other end face of the gear shaft body (1) by means of a plurality of locking bolts (13).
7. A flange idler gear shaft assembly according to any one of claims 1-6 characterised in that the attachment flange (2), thrust face (4) and gear shaft body (1) are of unitary construction.
CN202210210426.4A 2022-03-04 2022-03-04 Flange formula idler gear axle subassembly Pending CN114517805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210210426.4A CN114517805A (en) 2022-03-04 2022-03-04 Flange formula idler gear axle subassembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210210426.4A CN114517805A (en) 2022-03-04 2022-03-04 Flange formula idler gear axle subassembly

Publications (1)

Publication Number Publication Date
CN114517805A true CN114517805A (en) 2022-05-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210210426.4A Pending CN114517805A (en) 2022-03-04 2022-03-04 Flange formula idler gear axle subassembly

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CN (1) CN114517805A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036860A (en) * 2002-07-08 2004-02-05 Mazda Motor Corp Driving device for four-wheel drive vehicle
CN202579962U (en) * 2012-04-24 2012-12-05 安徽华菱汽车有限公司 Engine and idler gear assembly structure of camshaft of engine
CN204300103U (en) * 2014-11-24 2015-04-29 广西玉柴机器股份有限公司 A kind of motor idle gear shaft
CN212959099U (en) * 2020-08-29 2021-04-13 广西玉柴机器股份有限公司 Novel hydraulic pump gear and transmission spline lubricating structure for engine
CN216895316U (en) * 2022-03-04 2022-07-05 广西玉柴机器股份有限公司 Flange formula idler gear axle subassembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036860A (en) * 2002-07-08 2004-02-05 Mazda Motor Corp Driving device for four-wheel drive vehicle
CN202579962U (en) * 2012-04-24 2012-12-05 安徽华菱汽车有限公司 Engine and idler gear assembly structure of camshaft of engine
CN204300103U (en) * 2014-11-24 2015-04-29 广西玉柴机器股份有限公司 A kind of motor idle gear shaft
CN212959099U (en) * 2020-08-29 2021-04-13 广西玉柴机器股份有限公司 Novel hydraulic pump gear and transmission spline lubricating structure for engine
CN216895316U (en) * 2022-03-04 2022-07-05 广西玉柴机器股份有限公司 Flange formula idler gear axle subassembly

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