CN202366961U - Dry oil lubricating device for slide block type universal connecting shaft - Google Patents
Dry oil lubricating device for slide block type universal connecting shaft Download PDFInfo
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- CN202366961U CN202366961U CN2011205189632U CN201120518963U CN202366961U CN 202366961 U CN202366961 U CN 202366961U CN 2011205189632 U CN2011205189632 U CN 2011205189632U CN 201120518963 U CN201120518963 U CN 201120518963U CN 202366961 U CN202366961 U CN 202366961U
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Abstract
The utility model relates to the field of transmission, and provides a dry oil lubricating device for a slide block type universal connecting shaft. A connecting shaft mounting hole is formed in a gearwheel; the gearwheel includes two kinds of gear teeth arranged at intervals in a grouped manner; one kind of gear teeth are normal gear teeth and the other kin of gear teeth are grooved gear teeth; two axial ends of the gap between two adjacent gear teeth of the gearwheel are closed by a check ring; the gap between the two adjacent normal gear teeth is closed to form an oil tank; a group of oil holes of which one ends are communicated with the oil tank and the other ends are communicated with an oil supply pipeline are formed in the gearwheel; a one-way valve started through pressure is arranged between the oil holes and the oil supply pipeline; and small oil supply teeth pass through a first mounting shaft and is fixedly mounted through a first aligning mechanism and is meshed with the gearwheel. The controllability of oil supply pressure is achieved through the first aligning mechanism, through the match with the one-way valve, automatic, intermittent, quantitative and forced oil reception of lubricating points of the slide block is achieved, meanwhile, the oil supply pressure and the lubricating effect are ensured; and through the adjustment of the first aligning mechanism, the influence caused by abrasion is made up, and the stable performance is ensured.
Description
Technical field
The utility model relates to transmission field, especially a kind of dry oil lubrication device of slider typed universal joint spindle.
Background technology
Slider typed universal joint spindle has advantages such as the moment of torsion of transmission is big, the inclination angle is big, therefore is widely used in the milling train main drive that roll torques such as large-scale wide and heavy plate mill, tube mill are big, vibrations are violent.The copper shoe of slider typed universal joint spindle is installed between square shaft, tiger jaw, the homalocephalus, and the exterior arc surface of copper shoe contacts with the inner arc surface of tiger jaw, and the flat horizontal surface of copper shoe contacts with the flat horizontal surface of homalocephalus, the side homalocephalus contact of square shaft.When universal-joint spindle was worked, each contact-making surface relative motion was sliding friction.Simultaneously, because each contact surface specific pressure is high, be difficult for forming lubricating oil film; And it is lubricated to belong to open type, the sealing difficulty, and foreign material are invaded easily, so contact surface abrasion is serious.With the aggravation of wearing and tearing, it is big that fit clearance becomes, and when work, causes violent vibrations, and further shorten the service life of slider typed universal joint spindle.Therefore, whether each contact-making surface of slider typed universal joint spindle is lubricated well is its result of use of decision and the key factor in service life.
At present, the slide block of slider typed universal joint spindle is lubricated to have hand oiling, thin oil spray, slip ring fuel feeding, the palm to hold modes such as lubricating arrangement, and wherein: the manual application of lubricant need be shut down and weak effect; Thin oil spray consumption oil is many; The oil pressure of slip ring fuel feeding requires to be difficult to be in harmonious proportion unstable properties with seal request; Palm end lubricating arrangement is the self-lubricate of slant plate type axial plunger pump, but complex structure, volume is big, part is many, and cost is high.
In order to solve the lubricated problem of existing slide block, application number is the lubricating arrangement that 201110000161.7 application for a patent for invention discloses a kind of slider typed universal joint spindle slide block.This device comprises gear wheel, seal closure, pinion; Gear wheel is connecing on the axle through shim, and seal closure is equipped with in the gear wheel outside, between seal closure and the gear wheel sealing ring is housed, and airtight between seal closure and the gear wheel gear teeth both ends of the surface have an end cap; Be provided with a cavity in the seal closure, pinion is installed in it, pinion and gear wheel are wide, and are meshed with gear wheel, and airtight between its gear teeth both ends of the surface and the seal closure have an end cap; Seal closure is provided with fuel feed hole; The gear teeth of gear wheel are divided into two kinds: a kind of gear teeth are along the fluting gear teeth that circumferentially have groove, and these gear teeth are continuously several; The another kind of gear teeth are the complete gear teeth, and the complete gear teeth are continuous two, and between the tooth root of two complete gear teeth, are processed with radial hole, and radial hole communicates with axial hole on the gear, and axial hole communicates with the oil site of slide block through the oil circuit pipe fitting; Several fluting gear teeth and two complete space of teeth cycle arrangement of taking turns.During use; Connect fuel feed hole and drier oil supply station on the seal closure with high-pressure oil pipe; When connecing axle when beginning to rotate, drier oil gets into lubricating arrangement and is full of whole seal closure from the supply station through fuel feed hole, when the two complete gear teeth on the gear wheel and pinion; Can drier oil be forced to extrude and through radial hole, axial hole, oil circuit pipe fitting arrival oil site, realize lubricating; And when the fluting gear teeth on the gear wheel got into engagement, drier oil was through the groove release on the gear teeth, fuel cut-off.Therefore, with the rotation that connects axle, can realize each oil site of slide block automatically, intermittently, quantitatively, force to receive oil.
But the lubricating arrangement of above-mentioned slider typed universal joint spindle slide block, in running, gear wheel, pinion are in engagement always, and pinion is fixed on the seal closure through axle.With the wearing and tearing of solid shafting, pinion and gear wheel, the fit clearance of gear matched increases, and influences the gear meshing precision, and then influences the fuel feeding effect; If the gap is too big, in addition can occur can't fuel feeding situation.Secondly, the accuracy guarantee that the gear meshing precision relies on processing fully and installs, but processing and rigging error then be difficult to avoid, so unstable properties.Its three, after solid shafting, pinion and gear wheel wearing and tearing, all need integral replacing, so maintenance cost is high.
The utility model content
The utility model technical problem to be solved provide a kind of can realize each oil site of slide block automatically, intermittently, quantitatively, force to receive oil, the dry oil lubrication device of the slider typed universal joint spindle that performance is good and stable.
The utility model solves the technical scheme that its technical problem adopted: the dry oil lubrication device of slider typed universal joint spindle comprises oil feed line, gear wheel, the little tooth of fuel feeding, two back-up rings, fixed structure; The gear teeth of the little tooth of said fuel feeding are the normal gear teeth; The gear teeth of said gear wheel are divided into two kinds, and wherein a kind of gear teeth are that the normal gear teeth, another kind are the fluting gear teeth, and the fluting gear teeth of said gear wheel are provided with the pressure relief groove of the inter-lobe clearance that is communicated with these circumferential both sides of fluting gear teeth; The said normal gear teeth so that few two be one group, the said fluting gear teeth are one group with at least one, each is organized the normal gear teeth and circumferentially is provided with at interval along gear wheel with the fluting gear teeth; Said back-up ring is installed on the gear wheel and lays respectively at the axial both sides of gear wheel; Axial two ends by each inter-lobe clearance of back-up ring sealing gear wheel; And forms oil groove by the sealing of the inter-lobe clearance of adjacent normal rounds between cog, be provided with and be installed on the fixed structure and the oil-filling mechanism of injection lubricating grease in oil groove; Said gear wheel is provided with one group of oilhole, and an end of each oilhole is communicated with corresponding oil groove bottom respectively, the other end is communicated with corresponding oil feed line respectively; The little tooth of said fuel feeding be meshed with gear wheel and both axial widths of wheel toothed portion consistent, the little tooth of said fuel feeding is installed on the fixed structure through first installation shaft, said gear wheel is provided with connect a spool installing hole coaxial with it; Be provided with the check valve of opened by pressure between said oilhole and the oil feed line; Be provided with first core-regulating mechanism of the spacing of regulating little tooth axis of fuel feeding and gear wheel axis, first installation shaft of the little tooth of said installation fuel feeding is installed on the fixed structure through first core-regulating mechanism.
Further, the external diameter of said back-up ring is greater than the outside circle of gear wheel.
Further, the position of the corresponding back-up ring in axial both sides of the little tooth of said fuel feeding is respectively arranged with the first spacing cylinder.
Further, be provided with first block bearing between the little tooth of said fuel feeding and first installation shaft or between the fixed structure and first installation shaft.
Further; The little tooth of said fuel feeding adopts fabricated structure; Comprise first gear ring, first pressure ring, be provided with first supporting base of first locating flange; Said first gear ring and first pressure ring are enclosed within on first supporting base successively, and said first gear ring is between first locating flange and first pressure ring, and said first pressure ring is fixedly connected with first supporting base; Constitute the first spacing cylinder of respective side respectively by first locating flange and first pressure ring.
Further; Said first gear ring is provided with that one group of axial unthreaded hole, first locating flange are provided with one group of axial screwed hole, first pressure ring is provided with one group of axial counter sink, is communicated with by counter sink, unthreaded hole and the screwed hole of correspondence to constitute bolt mounting holes; Said first gear ring, first locating flange and the first pressure ring three are connected through the bolt that is installed in the bolt mounting holes.
Further, said oil-filling mechanism comprises the pump nozzle of joining oily little tooth, in the inter-lobe clearance of joining oily little tooth, injecting lubricating grease, is provided with the feeding bank of the inter-lobe clearance that is communicated with its circumferential both sides on said each gear teeth of joining oily little tooth; Saidly join oily little tooth and be installed on the fixed structure, saidly join that oily little tooth is meshed with gear wheel and the axial width of both wheel toothed portions is consistent through second installation shaft.
Further, second installation shaft of the little tooth of said peace assembly lube is installed on the fixed structure through second core-regulating mechanism; Said position of joining the corresponding back-up ring in axial both sides of oily little tooth is respectively arranged with the second spacing cylinder; Said joining between the oily little tooth and second installation shaft or between the fixed structure and second installation shaft is provided with second block bearing; Saidly join oily little tooth and adopt fabricated structure; Comprise second gear ring, second pressure ring, be provided with second supporting base of second locating flange; Said second gear ring and second pressure ring are enclosed within on second supporting base successively; Said second gear ring is between second locating flange and second pressure ring, and said second pressure ring is fixedly connected with second supporting base; Constitute the second spacing cylinder of respective side respectively by second locating flange and second pressure ring.
Further, said first core-regulating mechanism, second core-regulating mechanism all adopt eccentric bushing.
Further, said fixed structure comprises housing and mounting bracket, is surrounded by housing to constitute installation cavity, said gear wheel, joins oily little tooth and the little tooth of fuel feeding is installed in the installation cavity; Said gear wheel and housing are rotatably assorted, along Large Gear Shaft During to two side bodies on be respectively arranged with internal diameter greater than connecing a through hole of installing hole internal diameter, and by the through hole of both sides with connect an installing hole and connect and compose stepped hole; The axial both sides of said gear wheel are respectively arranged with positioning cylinder; Be provided with the drag ring that is fixed on the housing and lays respectively at the both sides lead to the hole site, coaxial and section is the L type to said drag ring with through hole, and the said housing both sides of the L type through drag ring respectively slides and is sealed and matched with back-up ring and positioning cylinder; Be provided with sealing ring between said drag ring and the positioning cylinder; Saidly join oily little tooth and the little tooth of fuel feeding is installed on the housing respectively; Said housing and join matched in clearance between the oily little tooth and radial clearance between the two adapts with the adjustable range of second core-regulating mechanism, matched in clearance and radial clearance between the two adapt with the adjustable range of first core-regulating mechanism between the little tooth of said housing and fuel feeding; Said pump nozzle is installed on the housing and is connected with the housing and the radial clearance of joining between the oily little tooth.
The beneficial effect of the utility model is: through the adjusting of first core-regulating mechanism; The axis spacing of adjustment little tooth of fuel feeding and gear wheel; Through the control of the accuracy of mesh is realized the controlled of charge oil pressure, cooperate the check valve of opened by pressure, realize each oil site of slide block automatically, intermittently, quantitatively, force to receive oil in; Guarantee that the lubricating grease that arrives each oil site all possesses certain pressure, therefore guaranteed lubricated effect; Through monitoring to the check valve duty, cooperate the adjustment of first core-regulating mechanism, remedy the influence of wearing and tearing, guaranteed the stable performance of rotation dry oil lubrication device.Because the accuracy of mesh is adjustable, therefore can effectively increase the wear extent accepted of gear wheel, the little tooth of fuel feeding, also promptly prolong both service life, reduce maintenance cost.Simultaneously, when mounted, can debug easily through the cooperation of first core-regulating mechanism and check valve, therefore installation, the debugging when changing are conveniently.
During use, gear wheel is fixedly mounted on to connect on the axle and with connecing axle and rotates.When the normal gear teeth on the gear wheel and fuel feeding gears engaged; The back lash from large to small, also be oil groove from large to small, the lubricating grease in the oil groove is forced clamp-ons oilhole; After the opening pressure of oil groove internal pressure greater than check valve, lubricating grease arrives oil site through oilhole, oil feed line; Change from small to big in the back lash afterwards, also is that oil groove changes from small to big, and avoids the pumpback of negative pressure to lubricating grease through check valve.
Description of drawings
Fig. 1 is the three-dimensional scheme of installation of the dry oil lubrication device of the utility model slider typed universal joint spindle;
Fig. 2 is that the master of the dry oil lubrication device of the utility model slider typed universal joint spindle looks sketch map;
Fig. 3 is the radially cross-sectional schematic of the dry oil lubrication device of the utility model slider typed universal joint spindle;
Fig. 4 is the axial cross-sectional schematic of the dry oil lubrication device of the utility model slider typed universal joint spindle;
Fig. 5 is gear wheel and the mesh schematic representation of the little tooth of fuel feeding of the dry oil lubrication device of the utility model slider typed universal joint spindle;
Fig. 6 is the gear wheel and the mesh schematic representation of joining oily little tooth of the dry oil lubrication device of the utility model slider typed universal joint spindle.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
The dry oil lubrication device of the slider typed universal joint spindle of the utility model comprises the little tooth of oil feed line 310, gear wheel 210, fuel feeding 220, two back-up rings 213, fixed structure 100.
Like Fig. 3, shown in Figure 5, the gear teeth of the little tooth 220 of said fuel feeding are the normal gear teeth, and in instance as shown in the figure, the number of teeth of the little tooth 210 of fuel feeding is set to 15.
Like Fig. 3, shown in Figure 5; The gear teeth of said gear wheel 210 are divided into two kinds; Wherein a kind of gear teeth are that the normal gear teeth, another kind are the fluting gear teeth 211, and the fluting gear teeth 211 of said gear wheel 210 are provided with the pressure relief groove 212 of the inter-lobe clearance that is communicated with these fluting gear teeth 211 circumferential both sides; The said normal gear teeth so that few two be one group, the said fluting gear teeth 211 are one group with at least one, each is organized the normal gear teeth and circumferentially is provided with at interval along gear wheel 210 with the fluting gear teeth 211.The group number of the said gear wheel 210 normal gear teeth is relevant with the quantity of oil site, and the quantity of every group of normal gear teeth is then relevant with the fuel delivery requirement of each oil site, also promptly can be through oil site fuel feeding of normal rounds teeth directional of a plurality of continuous adjacent.Fuel cut-off when the fluting gear teeth 211 of said gear wheel 210 mesh, thus its effect is each group normal rounds between cog to be separated realize the gap fuel feeding; When engagement, through groove release 212 lubricating grease is entered in the adjacent inter-lobe clearance, thereby guarantee normal gears engaged, its group number is relevant with the group number of the normal gear teeth, and every group quantity is relevant with the number of teeth of the number of teeth of gear wheel 210, every group of normal gear teeth.In instance as shown in the figure, oil site is ten, and the number of teeth of gear wheel 210 is changed to 90, contains the group number of ten groups of normal gear teeth, and every group of normal gear teeth contain two adjacent normal gear teeth.
As shown in Figure 4; Said back-up ring 213 is installed on the gear wheel 210 and lays respectively at the axial both sides of gear wheel 210; Axial two ends by back-up ring 213 sealing gear wheels 210 each inter-lobe clearance; And forms oil groove 330 by the sealing of the inter-lobe clearance of adjacent normal rounds between cog, be provided with and be installed on the fixed structure and the oil-filling mechanism of injection lubricating grease in oil groove 330; Said gear wheel 210 is provided with one group of oilhole 320, and an end of each oilhole 320 is communicated with corresponding oil groove 330 bottoms respectively, the other end is communicated with corresponding oil feed line 310 respectively.In instance as shown in the figure, processing for ease, oilhole 320 is the L type through holes that are made up of radial hole 321, axial hole 322.
Like Fig. 3, shown in Figure 4; The little tooth 220 of said fuel feeding be meshed with gear wheel 210 and both axial widths of wheel toothed portion consistent; The little tooth 220 of said fuel feeding is installed on the fixed structure 100 through first installation shaft 221, and said gear wheel 210 is provided with connect a spool installing hole coaxial with it.Be provided with the check valve 350 of opened by pressure between said oilhole 320 and the oil feed line 310; Be provided with first core-regulating mechanism of the spacing of regulating little tooth 220 axis of fuel feeding and gear wheel 210 axis, first installation shaft 221 of the little tooth 220 of said installation fuel feeding is installed on the fixed structure 100 through first core-regulating mechanism.
Adjusting through first core-regulating mechanism; The spacing of adjustment little tooth 220 axis of fuel feeding and gear wheel 210 axis; Through the control of the accuracy of mesh is realized the controlled of charge oil pressure, cooperate the check valve 350 of opened by pressure, realize each oil site of slide block automatically, intermittently, quantitatively, force to receive oil in; Guarantee that the lubricating grease that arrives each oil site all possesses certain pressure, therefore guaranteed lubricated effect; Through monitoring to check valve 350 duties, cooperate the adjustment of first core-regulating mechanism, remedy the influence of wearing and tearing, guaranteed the stable performance of rotation dry oil lubrication device.Because the accuracy of mesh is adjustable, therefore can effectively increase the wear extent accepted of gear wheel 210, the little tooth 220 of fuel feeding, also promptly prolong both service life, reduce maintenance cost.Simultaneously, when mounted, can debug easily through the cooperation of first core-regulating mechanism and check valve 350, therefore installation, the debugging when changing are conveniently.
During use, like Fig. 1, shown in Figure 2, gear wheel 210 is fixedly mounted on to connect on the axle 400 and with connecing axle 400 and rotates, and is concrete, as shown in Figure 3, and gear wheel 210 is provided with backing plate 410 through two radial symmetric and is fixedly mounted on and connects on the axle 400.As shown in Figure 5; When 220 engagements of the normal gear teeth on the gear wheel 210 and fuel feeding gear, the back lash from large to small, also be oil groove 330 from large to small; Carrying out with engagement; Lubricating grease in the oil groove 330 is forced to be clamp-oned in the oilhole 320, and after the opening pressure of oil groove 330 internal pressures greater than check valve 350, lubricating grease arrives oil site through oilhole 320, oil feed line 310; Afterwards, change from small to big in the back lash, also is that oil groove 330 changes from small to big, and can form negative pressure, through the setting of check valve 350, can effectively avoid the pumpback of negative pressure to lubricating grease.
Further, as shown in Figure 4, therefore the external diameter of said back-up ring 213 can improve good guiding for the little tooth 220 of fuel feeding through back-up ring 213 greater than the outside circle of gear wheel 210, avoids the collision of back-up ring 213 and the little tooth 220 of fuel feeding; And when engagement, better sealing property is provided, can further improve charge oil pressure.
Further, as shown in Figure 4, the position of the corresponding back-up ring 213 in axial both sides of the little tooth 220 of said fuel feeding is respectively arranged with the first spacing cylinder 222.With reducing of little tooth 220 axis of fuel feeding and gear wheel 210 axis spacings, when the first spacing cylinder 222 of back-up ring 213 and respective side contacts, be the minimum spacing of little tooth 220 axis of fuel feeding and gear wheel 210 axis.Therefore, when debugging, at first axis spacing is adjusted into minimum, increases axis spacing then gradually and just meet the demands, at last axis spacing is adjusted back certain amount, accomplish debugging until charge oil pressure.With the increase of wearing and tearing,, then change maintenance if axis spacing hour, still can not meet the requirements of charge oil pressure.Adapt greater than the outside circle of gear wheel 210 with the external diameter of above-mentioned back-up ring 213, the external diameter of said first positioning cylinder 222 is less than the root circle of the little tooth 220 of fuel feeding.
Because little tooth 220 velocities of rotation of fuel feeding are big; Therefore self rotate the wearing and tearing that cause in order to reduce the little tooth 220 of supply; Further, be provided with first block bearing 227 between the little tooth 220 of said fuel feeding and first installation shaft 221 or between the fixed structure 100 and first installation shaft 221.Through the setting of first block bearing 227, can effectively reduce wearing and tearing, guarantee the accuracy of mesh and charge oil pressure, and then guaranteed performance is stable; The installation of first core-regulating mechanism is as shown in Figure 4 for ease, and first block bearing 227 is preferably disposed between the little tooth 220 of fuel feeding and first installation shaft 221.
Because the little tooth 220 of fuel feeding is not a driving cog; Therefore requirement of strength is low; In order further to reduce maintenance cost, as shown in Figure 4, the little tooth 220 of said fuel feeding adopts fabricated structure; Comprise first gear ring 223, first pressure ring 224, be provided with first supporting base 226 of first locating flange 225; Said first gear ring 223 and first pressure ring 224 all are enclosed within on first supporting base 226, and said first gear ring 223 is between first locating flange 225 and first pressure ring 224, and said first pressure ring 224 is fixedly connected with first supporting base 226; Constitute the first spacing cylinder 222 of respective side respectively by first locating flange 225 and first pressure ring 224.Through fabricated structure, after wearing and tearing, can only change first gear ring 223, therefore reduced maintenance cost.In addition; Through the coupling of gear wheel 210, first gear ring, 223 materials, make the anti-wear performance of gear wheel 210 be superior to first gear ring 223, therefore in use; Always first gear ring 223 is worn; Therefore avoided replacing, made things convenient for attended operation, and further reduced the cost of safeguarding gear wheel 210.In instance as shown in the figure, gear wheel 210 is a steel gear, and first gear ring 223 adopts engineering plastics to process.
Above-mentioned oil-filling mechanism can one covering gear wheel 210 take turns toothed portion oil tray, or directly adopt the pump nozzle that in the inter-lobe clearance of gear wheel 210, injects lubricating grease.Like Fig. 3, shown in Figure 4; Said oil-filling mechanism comprises the pump nozzle 340 of joining oily little tooth 230, in the inter-lobe clearance of joining oily little tooth 230, injecting lubricating grease, is provided with the feeding bank 238 of the inter-lobe clearance that is communicated with its circumferential both sides on said each gear teeth of joining oily little tooth 230; The said oily little tooth 230 of joining is installed on the fixed structure 100 through second installation shaft 231, saidly joins that oily little tooth 230 is meshed with gear wheel 210 and the axial width of both wheel toothed portions is consistent.As shown in Figure 6; Through joining the engagement of the oily little tooth 230 and the gear wheel 210 normal gear teeth; Can will join the oily little tooth 230 inter-lobe clearance interior lubricating grease adjacent with the position of engagement forces to clamp-on in the inter-lobe clearance of the gear wheel 210 normal gear teeth; Thereby guaranteed lubricating grease to being full of of the inter-lobe clearance of the gear wheel 210 normal gear teeth, and then guaranteed the oil mass of fuel feeding and the uniformity of oil mass.
As shown in Figure 4, identical with the little tooth of fuel feeding 220, second installation shaft 231 of the little tooth 230 of said peace assembly lube is installed on the fixed structure through second core-regulating mechanism; Said position of joining the corresponding back-up ring 213 in axial both sides of oily little tooth 230 is respectively arranged with the second spacing cylinder 232; Said joining between the oily little tooth 230 and second installation shaft 231 is provided with second block bearing 236; The said oily little tooth 230 of joining adopts fabricated structures; Comprise second gear ring 233, second pressure ring 234, be provided with second supporting base 237 of second locating flange 235; Said second gear ring 233 and second pressure ring 234 all are enclosed within on second supporting base 237; Said second gear ring 233 is between second locating flange 235 and second pressure ring 234, and said second pressure ring 234 is fixedly connected with second supporting base 237; Constitute the second spacing cylinder 232 of respective side respectively by second locating flange 235 and second pressure ring 234.Second block bearing 236 also can be arranged between the fixed structure 100 and second installation shaft 231.
The mechanism that the mechanism that the first above-mentioned core-regulating mechanism, second core-regulating mechanism can adopt crank mechanism, be made up of axle sleeve and radial location bolt, the locking nut that is cooperated by chute and coaxial threaded constitute etc.In instance as shown in the figure, first core-regulating mechanism, second core-regulating mechanism all adopt eccentric bushing 240.In order to be limited in the adjustment process, the little tooth of fuel feeding 220, join oily little tooth 230 axis along the circumferential displacement of gear wheel 210, eccentric bushing 240 adopts the Portuguese bowline structure that is made up of interior cover 241, overcoat 242.
Like Fig. 1, Fig. 2, shown in Figure 4, said fixed structure 100 comprises housing 110 and mounting bracket 120, is surrounded by housing 110 to constitute installation cavity, said gear wheel 210, joins oily little tooth 230 and the little tooth 220 of fuel feeding is installed in the installation cavity; Said gear wheel 210 is rotatably assorted with housing 110, along being respectively arranged with internal diameter on the two axial side bodies 110 of gear wheel 210 greater than connecing a through hole of installing hole internal diameter, and by the through hole of both sides with connect an installing hole and connect and compose stepped hole; The said oily little tooth 230 of joining is installed in respectively on the housing 110 with the little tooth 220 of fuel feeding; Said housing 110 and join matched in clearance between the oily little tooth 230 and radial clearance between the two adapts with the adjustable range of second core-regulating mechanism, matched in clearance and radial clearance between the two adapt with the adjustable range of first core-regulating mechanism between the little tooth 220 of said housing 110 and fuel feeding; Said pump nozzle 340 is installed on the housing 110 and is connected with the housing 110 and the radial clearance of joining between the oily little tooth 230.Therefore, through housing 110, the effective structural strength of agents enhance overall is sealed the little tooth of fuel feeding 220, the wheel toothed portion of joining oily little tooth 230, gear wheel 210 simultaneously, can effectively avoid falling into of foreign matter, the normal operation of assurance device; Can increase the charge oil pressure of pump nozzle 340 through the sealing of housing 110, make lubricating grease be full of installation cavity, and then guaranteed the supply of lubricating grease.
Simultaneously, the axial both sides of said gear wheel 210 are respectively arranged with positioning cylinder 214; Be provided with the drag ring 111 that is fixed on the housing 110 and lays respectively at the both sides lead to the hole site; Coaxial and section is the L type to said drag ring 111 with through hole, and said housing 110 both sides of the L type through drag ring 111 respectively slides and is sealed and matched with back-up ring 213 and positioning cylinder 214; Be provided with sealing ring 215 between said drag ring 111 and the positioning cylinder 213.Can improve good radial location and support to housing 110 through positioning cylinder 214, thereby further guarantee the little tooth of fuel feeding 220, join the accuracy of mesh between oily little tooth 230, the gear wheel 210; And the rotation that mounting bracket 120 only need limit housing 110 gets final product, and therefore installs more convenient.And the setting through drag ring 111; Through the coupling of positioning cylinder 214, back-up ring 213, drag ring 111 materials, make the anti-wear performance of positioning cylinder 214 and back-up ring 213 be superior to drag ring 111, therefore in use; Always drag ring 111 is worn; Therefore avoided replacing, made things convenient for attended operation, and further reduced the cost of safeguarding gear wheel 210 and back-up ring 213 thereof.In instance as shown in the figure, said gear wheel 210 and back-up ring 213 thereof are steel, and 111 of said drag rings are made of copper.
As shown in Figure 3; Install for ease, safeguard; Said housing adopts the radially split type structure; And respectively along gear wheel 210 radially, the little tooth 220 of fuel feeding radially, join oily little tooth 230 radially subdivision be four parts, comprise the little tooth lid of upper shell 112, lower house 113, fuel feeding 114, join oily little tooth lid 115.Adapt with it, said drag ring 111, sealing ring 215 also are made up of the semi-ring of subdivision radially.Further, the little tooth of fuel feeding 220, to join oily little tooth 23 consistent along gear wheel 210 radial symmetric settings and size, so upper shell 112, lower house 113 size shape are consistent; The little tooth of fuel feeding lid 114, joining oily little tooth, to cover 115 size shape consistent.
Claims (10)
1. the dry oil lubrication device of slider typed universal joint spindle comprises oil feed line (310), gear wheel (210), the little tooth of fuel feeding (220), two back-up rings (213), fixed structure (100);
The gear teeth of the little tooth of said fuel feeding (220) are the normal gear teeth; The gear teeth of said gear wheel (210) are divided into two kinds; Wherein a kind of gear teeth are that the normal gear teeth, another kind are the fluting gear teeth (211), and the fluting gear teeth (211) of said gear wheel (210) are provided with the circumferentially pressure relief groove (212) of the inter-lobe clearance of both sides of these fluting gear teeth (211) of connection; The said normal gear teeth so that few two be one group, the said fluting gear teeth (211) are one group with at least one, each is organized the normal gear teeth and circumferentially is provided with at interval along gear wheel (210) with the fluting gear teeth (211);
Said back-up ring (213) is installed in the axial both sides that gear wheel (210) was gone up and laid respectively to gear wheel (210); Axial two ends by each inter-lobe clearance of back-up ring (213) sealing gear wheel (210); And forms oil groove (330) by the sealing of the inter-lobe clearance of adjacent normal rounds between cog, be provided with and be installed on the fixed structure and the oil-filling mechanism of injection lubricating grease in oil groove (330); Said gear wheel (210) is provided with one group of oilhole (320), and an end of each oilhole (320) is communicated with corresponding oil groove (330) bottom respectively, the other end is communicated with corresponding oil feed line (310) respectively;
The little tooth of said fuel feeding (220) be meshed with gear wheel (210) and both axial widths of wheel toothed portion consistent; The little tooth of said fuel feeding (220) is installed on the fixed structure (100) through first installation shaft (221), and said gear wheel (210) is provided with connect a spool installing hole coaxial with it;
It is characterized in that: the check valve (350) that is provided with opened by pressure between said oilhole (320) and the oil feed line (310); Be provided with first core-regulating mechanism of the spacing of regulating fuel feeding little tooth (220) axis and gear wheel (210) axis, first installation shaft (221) of the little tooth of said installation fuel feeding (220) is installed on the fixed structure (100) through first core-regulating mechanism.
2. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 1, it is characterized in that: the external diameter of said back-up ring (213) is greater than the outside circle of gear wheel (210).
3. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 1 is characterized in that: the position of the corresponding back-up rings in axial both sides (213) of the little tooth of said fuel feeding (220) is respectively arranged with the first spacing cylinder (222).
4. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 3 is characterized in that: be provided with first block bearing (227) between little tooth of said fuel feeding (220) and first installation shaft (221) or between fixed structure (100) and first installation shaft (221).
5. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 3; It is characterized in that: the little tooth of said fuel feeding (220) adopts fabricated structure; Comprise first gear ring (223), first pressure ring (224), be provided with first supporting base (226) of first locating flange (225); Said first gear ring (223) and first pressure ring (224) all are enclosed within on first supporting base (226); Said first gear ring (223) is positioned between first locating flange (225) and first pressure ring (224), and said first pressure ring (224) is fixedly connected with first supporting base (226); Constitute the first spacing cylinder (222) of respective side respectively by first locating flange (225) and first pressure ring (224).
6. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 5; It is characterized in that: said first gear ring (223) is provided with that one group of axial unthreaded hole, first locating flange (225) are provided with one group of axial screwed hole, first pressure ring (224) is provided with one group of axial counter sink, is communicated with by counter sink, unthreaded hole and the screwed hole of correspondence to constitute bolt mounting holes; Said first gear ring (223), first locating flange (225) and first pressure ring (224) three are connected through the bolt that is installed in the bolt mounting holes.
7. like the dry oil lubrication device of claim 1,2,3,4,5 or 6 described slider typed universal joint spindles; It is characterized in that: said oil-filling mechanism comprises the pump nozzle (340) of joining oily little tooth (230), in the inter-lobe clearance of joining oily little tooth (230), injecting lubricating grease, is provided with the feeding bank (238) of the inter-lobe clearance that is communicated with its circumferential both sides on said each gear teeth of joining oily little tooth (230); The said oily little tooth (230) of joining is installed on the fixed structure (100) through second installation shaft (231), saidly joins that oily little tooth (230) is meshed with gear wheel (210) and the axial width of both wheel toothed portions is consistent.
8. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 7, it is characterized in that: second installation shaft (231) of the little tooth of said peace assembly lube (230) is installed on the fixed structure through second core-regulating mechanism;
Said position of joining the corresponding back-up rings in axial both sides (213) of oily little tooth (230) is respectively arranged with the second spacing cylinder (232); Said joining between oily little tooth (230) and second installation shaft (231) or between fixed structure (100) and second installation shaft (231) is provided with second block bearing (237);
The said oily little tooth (230) of joining adopts fabricated structure; Comprise second gear ring (233), second pressure ring (234), be provided with second supporting base (236) of second locating flange (235); Said second gear ring (233) and second pressure ring (234) all are enclosed within on second supporting base (236); Said second gear ring (233) is positioned between second locating flange (235) and second pressure ring (234), and said second pressure ring (234) is fixedly connected with second supporting base (236); Constitute the second spacing cylinder (232) of respective side respectively by second locating flange (235) and second pressure ring (234).
9. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 7, it is characterized in that: said first core-regulating mechanism, second core-regulating mechanism all adopt eccentric bushing (240).
10. the dry oil lubrication device of slider typed universal joint spindle as claimed in claim 7; It is characterized in that: said fixed structure (100) comprises housing (110) and mounting bracket (120); Surround to constitute installation cavity by housing (110), said gear wheel (210), join oily little tooth (230) and the little tooth of fuel feeding (220) is installed in the installation cavity;
Said gear wheel (210) and housing (110) are rotatably assorted, along being respectively arranged with internal diameter on axial two side bodies (110) of gear wheel (210) greater than connecing a through hole of installing hole internal diameter, and by the through hole of both sides with connect an installing hole and connect and compose stepped hole;
The axial both sides of said gear wheel (210) are respectively arranged with positioning cylinder (214); Be provided with and be fixed on the drag ring (111) that the both sides lead to the hole site was gone up and laid respectively to housing (110); Coaxial and section is the L type to said drag ring (111) with through hole, and said housing (110) the same back-up rings in both sides (213) and the positioning cylinder (214) of the L type through drag ring (111) respectively slides and is sealed and matched; Be provided with sealing ring (216) between said drag ring (111) and the positioning cylinder (213);
Saidly join oily little tooth (230) and the little tooth of fuel feeding (220) is installed in respectively on the housing (110); Said housing (110) and join matched in clearance between the oily little tooth (230) and radial clearance between the two adapts with the adjustable range of second core-regulating mechanism, the adjustable range of same first core-regulating mechanism of matched in clearance and radial clearance between the two adapts between said housing (110) and the little tooth of fuel feeding (220);
Said pump nozzle (340) is installed in that housing (110) is gone up and same housing (110) and the radial clearance of joining between the oily little tooth (230) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205189632U CN202366961U (en) | 2011-12-13 | 2011-12-13 | Dry oil lubricating device for slide block type universal connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205189632U CN202366961U (en) | 2011-12-13 | 2011-12-13 | Dry oil lubricating device for slide block type universal connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366961U true CN202366961U (en) | 2012-08-08 |
Family
ID=46590685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205189632U Expired - Lifetime CN202366961U (en) | 2011-12-13 | 2011-12-13 | Dry oil lubricating device for slide block type universal connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202366961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780936A (en) * | 2021-01-12 | 2021-05-11 | 上海梅山钢铁股份有限公司 | Combined self-lubricating pump |
-
2011
- 2011-12-13 CN CN2011205189632U patent/CN202366961U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780936A (en) * | 2021-01-12 | 2021-05-11 | 上海梅山钢铁股份有限公司 | Combined self-lubricating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180327 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Double (Deyang) heavy equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |