CN103133672B - A kind of exposed gear automatic lubricator - Google Patents
A kind of exposed gear automatic lubricator Download PDFInfo
- Publication number
- CN103133672B CN103133672B CN201310021078.7A CN201310021078A CN103133672B CN 103133672 B CN103133672 B CN 103133672B CN 201310021078 A CN201310021078 A CN 201310021078A CN 103133672 B CN103133672 B CN 103133672B
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- oil
- rotating shaft
- housing
- mating hole
- hole section
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Abstract
The invention discloses a kind of exposed gear automatic lubricator, comprise airtight housing and rotation and be assemblied in rotating shaft in this housing, one end of rotating shaft stretches out housing and extension is installed with friction wheel for coordinating with 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 carrying the helix structure of lubricant oil, having in described housing coincide with helix structure coordinates, with when axis of rotation for realizing the mating hole section of lubricant oil along the axial conveying of rotating shaft, and also have in housing that be connected with the oil inlet end of described mating hole section, that there is oil hole shoe cream room and be connected with the oil outlet end of mating hole section, the oil-discharging cavity with oil drainage hole.Whole device realizes lubricant oil supply by the rotation of gear, and without the need to realizing self oiling by other power, structure is simple, cost is low.
Description
Technical field
The present invention relates to a kind of gear transmission lubricating fitting, particularly relate 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 outside completely, make the working environment of gear relatively poor, this just causes external impurities very easily to invade on the flank of tooth, therefore, the lubrication work of gear is just seemed especially important, if insufficient lubrication, the gear teeth very easily wear and tear, and have a strong impact on the working life of gear.The lubrication of current exposed gear is mainly adopted in two ways, and one is the manual application of lubricant, and namely when gear transmission, realize lubrication by the method for manually adding lubricant oil, this mode is not easy the long-time continuous lubrication realizing gear, and manual work intensity is large; Another kind is oil pump lubrication, and external connection power drives oil pump, is ejected into by lubricant oil 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 device such as motor, appliance controling element, and cost is high, and needs manual control to operate.
Summary of the invention
The object of this invention is to provide a kind of exposed gear automatic lubricator not relying on external connection power just can provide lubricant oil to gear.
The present invention adopts following technological scheme: a kind of exposed gear automatic lubricator, comprise airtight housing and rotation and be assemblied in rotating shaft in this housing, one end of rotating shaft stretches out housing and extension is installed with friction wheel for coordinating with 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 carrying the helix structure of lubricant oil, having in described housing coincide with helix structure coordinates, with when axis of rotation for realizing the mating hole section of lubricant oil along the axial conveying of rotating shaft, and also have in housing that be connected with the oil inlet end of described mating hole section, that there is oil hole shoe cream room and be connected with the oil outlet end of mating hole section, the oil-discharging cavity with oil drainage hole.
The quantity of described mating hole section is two that arrange along 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 the oil outlet end being separately positioned on two mating hole sections.
Described helix structure is be opened in the spiral chute on rotating shaft outer circumferential face.
The outer circumferential face of described rotating shaft offers the annular groove be communicated with described spiral fluted one end, described oil-discharging cavity to be coordinated with annular groove by the inner peripheral surface of described mating hole section and is formed.
The wheel side face of described friction wheel is arc shaped surface.
The fuel-flow control screw for regulating oil drain quantity size along the radial screw thread precession of oil drainage hole is provided with in described oil drainage hole.
Adopt the exposed gear automatic lubricator of said structure, outer circumferential face due to rotating shaft is provided with along its axial precession helix structure, housing has coordinate identical with helix structure simultaneously, and when axis of rotation for realizing the mating hole section that lubricant oil is axially carried along rotating shaft, arrange with the rotation direction of helix structure according to turning to of rotating shaft, lubricant oil just can be delivered to oil outlet end by the oil inlet end of mating hole section by helix structure, add upper shell and there is the shoe cream room be connected with the oil inlet end of mating hole section and the oil-discharging cavity be connected with the oil outlet end of mating hole section, in shoe cream room, lubricant oil is injected by oil hole, lubricant oil in shoe cream room just can push in oil-discharging cavity by helix structure, under the lasting rotary action of rotating shaft, oil pressure is produced gradually in oil-discharging cavity, lubricant oil just can be discharged by oil drainage hole, by 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, pinion rotation can drive friction wheel to rotate together with rotating shaft, and the lubricant oil of being discharged by oil drainage hole is directly delivered on the flank of tooth of gear, just can realize the lubrication of exposed gear, and gear is once stop operating, the conveying of lubricant oil stops, and lubrication also just stops thereupon.Whole device realizes lubricant oil supply by the rotation of gear, and without the need to realizing self oiling by other power, structure is simple, cost is low.
Further, the quantity of mating hole section is two that arrange along rotating shaft axially spaced-apart, shoe cream room is between two mating hole sections, oil-discharging cavity also has two simultaneously, make lubricant oil can turn to difference according to rotating shaft like this, realized the conveying of lubricant oil by two mating hole Duan Junke, the restriction that can not turn to by rotating shaft in use, improve the adaptability of lubricating fitting and the flexibility of installation, also can meet the needs of the equal Castor Oil of gear clockwise and anticlockwise simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present invention;
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 is made up of two circular hole portions extended in left-right direction and the rectangular opening section being serially connected in two circular hole portion middle position, such two circular hole portions are divided into two mating hole sections by rectangular opening section, between two mating hole sections, form a rectangular enclosure simultaneously, this rectangular enclosure is shoe cream room 5, housing 4 offers the oil hole 6 be communicated with shoe cream room 5, lubricant oil can be injected in 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, between the housing end plug that its enlarged diameter section top is contained in housing two port position places, reduced diameter section is through left side housing end plug and stretch out housing 4, the enlarged diameter section of rotating shaft 2 and circular hole portion adaptation, the left end of rotating shaft 2 stretches out housing 4 and extension is coaxially installed with friction wheel 1, drive rotating shaft 2 to rotate together when friction wheel 1 rotates, two housing end plug countershafts 2 carry out axial limiting.In order to ensure the sealing between rotating shaft 2 and left side housing end plug, be embedded with the seal ring 10 coordinated with rotating shaft 2 rotary seal in the inner side of left side housing end plug.The two end part position place corresponding at rotating shaft 2 enlarged diameter section offers annular groove respectively, the outer circumferential face that rotating shaft part between two annular grooves is corresponding offers the spiral chute 7 of dextrorotation, the two ends of spiral chute 7 are communicated with two annular grooves respectively, each annular groove coordinates with the inner peripheral surface of each self-corresponding mating hole section and forms oil-discharging cavity 3, when rotating shaft 2 rotates clockwise, 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, housing 4 also offers the oil drainage hole 8 be communicated with two oil-discharging cavities 3 respectively, like this when lubricant oil enters in one of them oil-discharging cavity, just can be flowed out by the oil drainage hole 8 that this oil-discharging cavity is corresponding.
In the present embodiment, the flow direction of lubricant oil flows along the axial screw of mating hole section, namely enter in oil-discharging cavity by shoe cream room through mating hole section, one end that one end be connected with shoe cream room of mating hole section is oil inlet end, be connected with oil-discharging cavity is oil outlet end, uninterrupted simultaneously in order to lubricant oil can be regulated to discharge, is respectively equipped with the flow adjustment screw 9 along respective radial screw thread precession in each oil drainage hole 8.
During above-described embodiment embody rule, as shown in Figure 2, the outer circumferential face of friction wheel 1 and the end contact of exposed gear 11, when gear 11 rotates, rely on the effect of frictional force, gear 11 drives friction wheel 1 to rotate together with wheel shaft 2, if gear 11 rotates forward, 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, due to the continuous rotation of rotating shaft 2, make to there is certain oil pressure in this oil-discharging cavity, the oil pipe that lubricant oil is just connected by corresponding oil drainage hole 8 is transported on the flank of tooth of gear 11, produces lubrication; If gear 11 reverses, lubricant oil is just transported in another oil-discharging cavity by spiral chute, and the oil pipe that lubricant oil is connected by the oil drainage hole that this oil-discharging cavity is corresponding is transported on the flank of tooth of gear, can produce lubrication equally; If gear stops operating, all no longer produce oil pressure in two oil-discharging cavities 3, this device is also by fuel cut-off.
In above-described embodiment, the flow direction of lubricant oil is relevant with turning to spiral fluted rotation direction of rotating shaft, turning to of rotating shaft, relevant with turning to of exposed gear, consider that gear has clockwise and anticlockwise, when pinion rotation, spiral chute can only towards a direction conveying lubricant oil, and by arranging two mating hole sections, lubricant oil conveying when gear difference turns to can be adapted to, certainly in other embodiments, a mating hole section also can be set, simultaneously in order to meet the clockwise and anticlockwise of exposed gear, a gear correspondence can arrange two lubricating fittings, and the spiral chute rotation direction of two lubricating fittings can be contrary.
Claims (6)
1. an exposed gear automatic lubricator, it is characterized in that: comprise airtight housing and rotation and be assemblied in rotating shaft in this housing, one end of rotating shaft stretches out housing and extension is installed with friction wheel for coordinating with the end face pivoting friction of gear to be lubricated; The outer circumferential face of described rotating shaft be provided with along the axial precession of rotating shaft, for carrying the helix structure of lubricant oil, having in described housing coincide with helix structure coordinates, with when axis of rotation for realizing the mating hole section of lubricant oil along the axial conveying of rotating shaft, and also have in housing that be connected with the oil inlet end of described mating hole section, that there is oil hole shoe cream room and be connected with the oil outlet end of mating hole section, the oil-discharging cavity with oil drainage hole.
2. exposed gear automatic lubricator according to claim 1, it is characterized in that: the quantity of described mating hole section is two that arrange along rotating shaft axially spaced-apart, described shoe cream room is between two mating hole sections, and the quantity of described oil-discharging cavity is two of the oil outlet end being separately positioned on corresponding mating hole section.
3. exposed gear automatic lubricator according to claim 1, is characterized in that: described helix structure is be opened in the spiral chute on rotating shaft outer circumferential face.
4. exposed gear automatic lubricator according to claim 3, it is characterized in that: the outer circumferential face of described rotating shaft offers the annular groove be communicated with described spiral fluted one end, described oil-discharging cavity to be coordinated with annular groove by the inner peripheral surface of described mating hole section and is formed.
5. exposed gear automatic lubricator according to claim 1, is characterized in that: the wheel side face of described friction wheel is arc shaped surface.
6. the exposed gear automatic lubricator according to claim 1-5 any one, is characterized in that: be provided with the fuel-flow control screw for regulating oil drain quantity size along the radial screw thread precession of oil drainage hole in described oil drainage hole.
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 CN103133672A (en) | 2013-06-05 |
| CN103133672B true CN103133672B (en) | 2015-12-09 |
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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 |
|---|---|
| CN (1) | CN103133672B (en) |
Families Citing this family (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 |
| CN115370728B (en) * | 2022-08-30 | 2023-05-23 | 大庆市益修钻采设备维修有限公司 | Novel pumping unit reduction gearbox dredging type sealing device |
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 |
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| Publication number | Publication date |
|---|---|
| CN103133672A (en) | 2013-06-05 |
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Granted publication date: 20151209 Termination date: 20200121 |