CN103133672A - Exposed gear automatic lubricating device - Google Patents
Exposed gear automatic lubricating device Download PDFInfo
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- CN103133672A CN103133672A CN2013100210787A CN201310021078A CN103133672A CN 103133672 A CN103133672 A CN 103133672A CN 2013100210787 A CN2013100210787 A CN 2013100210787A CN 201310021078 A CN201310021078 A CN 201310021078A CN 103133672 A CN103133672 A CN 103133672A
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- oil
- rotating shaft
- gear
- hole section
- mating hole
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Abstract
The invention discloses an exposed gear automatic lubricating device which comprises an airtight casing and a rotary shaft rotatably assembled in the casing. One end of the rotary shaft extends out of the casing, the extending portion is fixedly provided with a friction wheel in rotary fictional match with the end face of a gear. The peripheral face of the rotary shaft is provided with a helical structure which is axially screwed along the axial direction of the rotary shaft and used for conveying lubricating oil, the casing is provided with an adaptive hole section which is matched with the helical structure and used for achieving lubricating oil conveying along the axial direction of the rotary shaft when the rotary shaft rotates, and the casing is further provided with an oil storing cavity connected with the oil inlet end of the adaptive hole section and provided with an oil injecting hole, and an oil discharging cavity connected with the oil outlet end of the adaptive hole section and provided with an oil discharging hole. The exposed gear automatic lubricating device achieves lubricating oil supply by means of rotation of the gear, achieves automatic lubricating without other power, and is simple in structure and low in cost.
Description
Technical field
The present invention relates to a kind of gear transmission lubricating fitting, relate in particular to a kind of exposed gear automatic lubricator.
Background technique
Open type gear driving refers to that gear is in non-confined space transmission, because gear transmission does not arrange dust-proof cover or casing, gear is exposed to the outside fully, make the working environment of gear relatively relatively poor, therefore this just causes external impurities very easily to invade on the flank of tooth,, lubricated work to gear just seems especially important, if insufficient lubrication, the gear teeth very easily wear and tear, and have a strong impact on the working life of gear.Lubricating of exposed gear mainly adopted dual mode at present, and a kind of is the manual application of lubricant, and namely when gear transmission, lubricated by the method realization of artificial interpolation lubricant oil, this mode is not easy to realize the long-time continuous lubrication of gear, and manual work intensity is large; Another kind is that oil pump is lubricated, and external connection power drives oil pump, and lubricant oil is ejected on the flank of tooth, though this mode can realize the long-time continuous lubrication of gear, but oil pump needs again to connect the devices such as motor, appliance controling element, and cost is high, and needs the manual control operation.
Summary of the invention
The purpose of this invention is to provide and a kind ofly disobey the outer power that connects and just can provide the exposed gear automatic lubricator of lubricant oil to gear.
The present invention adopts following technological scheme: a kind of exposed gear automatic lubricator, comprise that airtight housing and rotation are assemblied in the rotating shaft in this housing, an end of rotating shaft stretches out housing and extension is installed with the friction wheel that coordinates for the end face pivoting friction of gear; The outer circumferential face of described rotating shaft be provided with along the axial precession of rotating shaft, for delivery of the helix structure of lubricant oil, having in described housing coincide with helix structure coordinates, being used for realizing lubricant oil along the mating hole section of the axial conveying of rotating shaft when rotating shaft is rotated, and also have, shoe cream room that have oil hole that be connected with the oil inlet end of described mating hole section and, oil-discharging cavity that have oil drainage hole that be connected with the oil outlet end of mating hole section in housing.
The quantity of described mating hole section is two that arrange along the rotating shaft axially spaced-apart, and described shoe cream room is between two mating hole sections, and the quantity of described oil-discharging cavity is two of oil outlet end that are separately positioned on two mating hole sections.
Described helix structure is the spiral chute that is opened on the rotating shaft outer circumferential face.
Offer the annular groove that is communicated with described spiral fluted one end on the outer circumferential face of described rotating shaft, described oil-discharging cavity is coordinated with annular groove by the inner peripheral surface of described mating hole section and forms.
The wheel side face of described friction wheel is arc shaped surface.
Be provided with in described oil drainage hole along oil drainage hole the fuel-flow control screw that be used for to regulate the oil drain quantity size of screw thread precession radially.
adopt the exposed gear automatic lubricator of said structure, because the outer circumferential face of rotating shaft is provided with along its axial precession helix structure, simultaneously housing has to coincide with helix structure and coordinates, and when rotating, rotating shaft is used for realizing that lubricant oil is along the axial mating hole section of carrying of rotating shaft, the rotation direction setting with helix structure of turning to according to rotating shaft, helix structure just can be delivered to oil outlet end by the oil inlet end of mating hole section with lubricant oil, add upper shell and have the shoe cream room that is connected with the oil inlet end of mating hole section and the oil-discharging cavity that is connected with the oil outlet end of mating hole section, inject lubricant oil by oil hole in shoe cream room, helix structure just can push to the lubricant oil in shoe cream room in oil-discharging cavity, under the lasting rotary action of rotating shaft, produce gradually oil pressure in oil-discharging cavity, lubricant oil just can be discharged by oil drainage hole, with this application of installation on exposed gear, make the outer circumferential face of friction wheel and the end contact of exposed gear, rely on rotation friction, the gear rotation can drive friction wheel and rotating shaft is rotated together, and will directly be delivered to by the lubricant oil that oil drainage hole is discharged on the flank of tooth of gear, just can realize the lubrication of exposed gear, and in a single day gear stops operating, the conveying of lubricant oil stops, and lubrication also just stops thereupon.Whole device realizes that by the rotation of gear lubricant oil supplies with, and need not to realize self oiling by other power, and is simple in structure, cost is low.
Further, the quantity of mating hole section is two that arrange along the rotating shaft axially spaced-apart, shoe cream room is between two mating hole sections, oil-discharging cavity also has two simultaneously, make like this lubricant oil to realize the conveying of lubricant oil by two mating hole Duan Junke according to the difference that turns to of rotating shaft, the restriction that can not turned to by rotating shaft in use, improve the adaptability of lubricating fitting and the flexibility of installation, also can satisfy the needs of the equal Castor Oil of gear clockwise and anticlockwise simultaneously.
Description of drawings
Fig. 1 is a kind of embodiment's of the present invention structural representation;
Fig. 2 is working state figure of the present invention.
Embodiment
The embodiment of exposed gear automatic lubricator of the present invention: as shown in Figure 1 and Figure 2, comprise airtight housing 4, the inner chamber of housing 4 consists of along the left and right directions circular hole portion that extends and the rectangular opening section that is serially connected in place, two circular hole portion neutral positions by two, such two circular hole portions are divided into two mating hole sections by the rectangular opening section, form simultaneously a rectangular enclosure between two mating hole sections, this rectangular enclosure is shoe cream room 5, offer the oil hole 6 that is communicated with shoe cream room 5 on housing 4, can be to the interior injection lubricant oil of shoe cream room 5 by oil hole 6.In circular hole portion, concentric gap is fitted with rotating shaft 2, rotating shaft 2 is multidiameter shaft, its enlarged diameter section top is contained between the housing end plug at two of housings port position place, reduced diameter section passes the left side housing end plug and stretches out housing 4, enlarged diameter section and the circular hole portion of rotating shaft 2 are adaptive, the left end of rotating shaft 2 stretches out housing 4 and the coaxial friction wheel 1 that is installed with of extension, friction wheel 1 drives rotating shaft 2 when rotating and rotates together, and two housing end plug countershafts 2 carry out axial limiting.In order to guarantee the sealing between rotating shaft 2 and left side housing end plug, be embedded with the seal ring 10 that coordinates with rotating shaft 2 rotary seals in the inboard of left side housing end plug.the two end part position place corresponding at rotating shaft 2 enlarged diameter sections offers respectively annular groove, offer the spiral chute 7 of dextrorotation on outer circumferential face corresponding to the rotating shaft part between two annular grooves, the two ends of spiral chute 7 are communicated with two annular grooves respectively, each annular groove coordinates formation oil-discharging cavity 3 with the inner peripheral surface of each self-corresponding mating hole section, when rotating shaft 2 clockwise rotates, just the lubricant oil in shoe cream room 5 can be pushed in one of them oil-discharging cavity, when rotating shaft rotates counterclockwise, just the lubricant oil in shoe cream room 5 can be pushed in another oil-discharging cavity, also offer the oil drainage hole 8 that is communicated with two oil-discharging cavities 3 respectively on housing 4, in the time of like this in lubricant oil enters one of them oil-discharging cavity, just can be flowed out by oil drainage hole 8 corresponding to this oil-discharging cavity.
In the present embodiment, the flow direction of lubricant oil is mobile along the axial screw of mating hole section, namely entered in oil-discharging cavity through the mating hole section by shoe cream room, the end that an end that is connected with shoe cream room of mating hole section is oil inlet end, be connected with oil-discharging cavity is oil outlet end, the uninterrupted of discharging in order to regulate lubricant oil simultaneously is respectively equipped with the edge flow adjustment screw 9 of radially screw thread precession separately in each oil drainage hole 8.
When above-described embodiment is specifically used, as shown in Figure 2, the end contact of the outer circumferential face of friction wheel 1 and exposed gear 11, when gear 11 rotates, rely on the effect of frictional force, gear 11 drives friction wheel 1 and wheel shaft 2 rotates together, if gear 11 forwards, lubricant oil in shoe cream room 5 is transported in one of them oil-discharging cavity by the spiral chute 7 in rotating shaft 2, continuous rotation due to rotating shaft 2, make and have certain oil pressure in this oil-discharging cavity, the lubricant oil just oil pipe that connects of the oil drainage hole by correspondence 8 is transported on the flank of tooth of gear 11, produces lubrication; If gear 11 counter-rotatings, lubricant oil just is transported in another oil-discharging cavity by spiral chute, and lubricant oil is transported on the flank of tooth of gear by the oil pipe that oil drainage hole corresponding to this oil-discharging cavity connects, and can produce lubrication equally; If gear stops operating, two interior oil pressure that all no longer produce of oil-discharging cavity 3, this installs also with fuel cut-off.
in above-described embodiment, the flow direction of lubricant oil is relevant with the spiral fluted rotation direction with turning to of rotating shaft, turning to of rotating shaft is relevant with turning to of exposed gear, consider that gear has clockwise and anticlockwise, when gear rotates, spiral chute can only be carried lubricant oil towards a direction, and by two mating hole sections are set, lubricant oil in the time of can adapting to the gear difference and turn to is carried, certainly in other embodiments, a mating hole section also can be set, simultaneously in order to satisfy the clockwise and anticlockwise of exposed gear, a gear can correspondence arrange two lubricating fittings, and the spiral chute rotation direction of two lubricating fittings can be opposite.
Claims (6)
1. exposed gear automatic lubricator is characterized in that: comprise that airtight housing and rotation are assemblied in the rotating shaft in this housing, an end of rotating shaft stretches out housing and extension is installed with the friction wheel that coordinates for the end face pivoting friction of gear; The outer circumferential face of described rotating shaft be provided with along the axial precession of rotating shaft, for delivery of the helix structure of lubricant oil, having in described housing coincide with helix structure coordinates, being used for realizing lubricant oil along the mating hole section of the axial conveying of rotating shaft when rotating shaft is rotated, and also have, shoe cream room that have oil hole that be connected with the oil inlet end of described mating hole section and, oil-discharging cavity that have oil drainage hole that be connected with the oil outlet end of mating hole section in housing.
2. exposed gear automatic lubricator according to claim 1, it is characterized in that: the quantity of described mating hole section is two along rotating shaft axially spaced-apart layout, described shoe cream room is between two mating hole sections, and the quantity of described oil-discharging cavity is two of oil outlet end that are separately positioned on two mating hole sections.
3. exposed gear automatic lubricator according to claim 1, it is characterized in that: described helix structure is the spiral chute that is opened on the rotating shaft outer circumferential face.
4. exposed gear automatic lubricator according to claim 3, it is characterized in that: offer the annular groove that is communicated with described spiral fluted one end on the outer circumferential face of described rotating shaft, described oil-discharging cavity is coordinated with annular groove by the inner peripheral surface of described mating hole section and forms.
5. exposed gear automatic lubricator according to claim 1, it is characterized in that: the wheel side face of described friction wheel is arc shaped surface.
6. according to claim 1-5 described exposed gear automatic lubricators of any one is characterized in that: be provided with in described oil drainage hole along the oil drainage hole fuel-flow control screw that is used for regulating the oil drain quantity size of screw thread precession radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021078.7A CN103133672B (en) | 2013-01-21 | 2013-01-21 | A kind of exposed gear automatic lubricator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021078.7A CN103133672B (en) | 2013-01-21 | 2013-01-21 | A kind of exposed gear automatic lubricator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133672A true CN103133672A (en) | 2013-06-05 |
| CN103133672B CN103133672B (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310021078.7A Expired - Fee Related CN103133672B (en) | 2013-01-21 | 2013-01-21 | A kind of exposed gear automatic lubricator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103133672B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743347A (en) * | 2016-12-29 | 2017-05-31 | 济南兰洁生物技术有限公司 | A kind of self-service lubricating machine of gear drive |
| CN115370728A (en) * | 2022-08-30 | 2022-11-22 | 大庆市益修钻采设备维修有限公司 | Novel dredging type sealing device for reduction gearbox of oil pumping unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090925Y (en) * | 2007-07-04 | 2008-07-23 | 范华中 | Exposed gear lubricating machine |
| CN201944094U (en) * | 2010-12-03 | 2011-08-24 | 衡阳风顺车桥有限公司 | Planetary gear shaft of differential mechanism |
| CN202118480U (en) * | 2011-06-17 | 2012-01-18 | 天津泵业机械集团有限公司 | Lubrication pump for wind power generation gear case |
| DE102011012642A1 (en) * | 2011-02-28 | 2012-08-30 | Sew-Eurodrive Gmbh & Co. Kg | Pot-shaped compensating element i.e. elastically deformable compensating element for use in drive, has screw-like inner gear region formed in recess i.e. blind hole, where element is integrally formed using plastic injection molding process |
| CN202545774U (en) * | 2012-03-31 | 2012-11-21 | 江苏东成电动工具有限公司 | Lubricating device extruding grease by screw rod |
| CN202674266U (en) * | 2012-05-07 | 2013-01-16 | 新兴能源装备股份有限公司 | Exposed gear lubricating device |
-
2013
- 2013-01-21 CN CN201310021078.7A patent/CN103133672B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201090925Y (en) * | 2007-07-04 | 2008-07-23 | 范华中 | Exposed gear lubricating machine |
| CN201944094U (en) * | 2010-12-03 | 2011-08-24 | 衡阳风顺车桥有限公司 | Planetary gear shaft of differential mechanism |
| DE102011012642A1 (en) * | 2011-02-28 | 2012-08-30 | Sew-Eurodrive Gmbh & Co. Kg | Pot-shaped compensating element i.e. elastically deformable compensating element for use in drive, has screw-like inner gear region formed in recess i.e. blind hole, where element is integrally formed using plastic injection molding process |
| CN202118480U (en) * | 2011-06-17 | 2012-01-18 | 天津泵业机械集团有限公司 | Lubrication pump for wind power generation gear case |
| CN202545774U (en) * | 2012-03-31 | 2012-11-21 | 江苏东成电动工具有限公司 | Lubricating device extruding grease by screw rod |
| CN202674266U (en) * | 2012-05-07 | 2013-01-16 | 新兴能源装备股份有限公司 | Exposed gear lubricating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106743347A (en) * | 2016-12-29 | 2017-05-31 | 济南兰洁生物技术有限公司 | A kind of self-service lubricating machine of gear drive |
| CN115370728A (en) * | 2022-08-30 | 2022-11-22 | 大庆市益修钻采设备维修有限公司 | Novel dredging type sealing device for reduction gearbox of oil pumping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103133672B (en) | 2015-12-09 |
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Granted publication date: 20151209 Termination date: 20200121 |