CN203051722U - Novel gear lubricating device of walking part of coal cutter - Google Patents
Novel gear lubricating device of walking part of coal cutter Download PDFInfo
- Publication number
- CN203051722U CN203051722U CN 201220722741 CN201220722741U CN203051722U CN 203051722 U CN203051722 U CN 203051722U CN 201220722741 CN201220722741 CN 201220722741 CN 201220722741 U CN201220722741 U CN 201220722741U CN 203051722 U CN203051722 U CN 203051722U
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- China
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- oil
- fuel tank
- lubricating device
- coal cutter
- oil tank
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Abstract
The utility model relates to a lubricating device of a coal cutter, in particular to a novel gear lubricating device of a walking part of the coal cutter. The novel gear lubricating device of the walking part of the coal cutter solves the technical problem that an existing lubricating device of an outer traction open gear drive mechanism of the coal cutter is poor in lubricating effect. The novel gear lubricating device of the walking part of the coal cutter structurally comprises an outer traction box body, wherein an oil tank is arranged on the outer traction box body, the bottom of the oil tank is in a concave surface shape, an oil drip nozzle is arranged at the lowest end of the bottom of the oil tank, a screw plug hole is formed in an upper cover of the oil tank, and an adjustment valve controlling the oil drip nozzle penetrates the screw plug hole. According to the novel gear lubricating device of the walking part of the coal cutter, a bottom plate of the oil tank is changed into an inclined concave bottom from a flat bottom, the residual oil amount is largely reduced, and the use rate of oil is largely improved. The lubricating oil is discharged from the conical oil drip nozzle at the lowest point of the bottom plate of the oil tank, and the possibility that the oil directly spreads towards the peripheral plane along the bottom edge of the oil tank is largely reduced.
Description
Technical field
The utility model relates to a kind of coal winning machine lubricating fitting, is specially a kind of coal winning machine running part new gear lubricating fitting.
Background technique
Coal winning machine draws the exposed gear driving mechanism outward as a coal winning machine traveller part, be in the low-speed heave-load state, particularly the gear bearing capacity is bigger herein on the inclined cut, flank of tooth Cold gluing, flank of tooth plastic deformation very easily take place in this state lower gear, the exposed gear driving mechanism enters coal dust, impurity particle easily in addition, transmission environment very severe causes flank of tooth abrasive wear easily.Beyond the traction gear driving mechanism can be subjected to the proper functioning life-span that good lubrication has directly determined coal winning machine.The exposed gear transmission is lubricated because of the oil sump that does not have to fix, and fluid can only be dropped on the mesh tooth face timely to be lubricated.As schematically shown in Figure 1, traditional fuel tank 3 is flat, and this flat-bottom structure is difficult for interfering with outer traction gear, and is simple in structure.But there is following problem, 1, poor to gear 2 flank of tooth lubrication effects.In using, the down-hole finds that old-fashioned fuel tank is bad to the gear teeth face lubrication effect.Because the fuel tank base plate is flat, 4 fluid that flow out because viscosity is too high, make the part viscous lubrication oil directly come along flat planar diffusion easily from the plug cock hole, and have only small part fluid to assemble and to be dropped on the flank of tooth, do not have the effect that the flank of tooth is lubricated basically.If do not note safeguard refueling, in abominable subsurface environment, the insufficient lubrication that above-mentioned reason causes makes coal winning machine draw open type driving gear tooth surface abrasion, gummed, distortion outward easily, the serious final broken teeth of transverse tooth thickness attenuate that causes.2, along with coal winning machine more and more is used for the large inclined angle inclined cut, the drawback of the old-fashioned fuel tank of this kind also highlights, this cuboid form fuel tank, plug cock is at the base plate middle part, when the coal winning machine that inclines is oblique, will make a large amount of surplus profit contaminated products accumulate in the fuel tank corner areas, cause big gauging but to have to refuel the situation that could lubricate, lubricating efficiency is had a greatly reduced quality.Cause the many problems of poor, the surplus oil of lubricating efficiency.
(3) be not easy to dredge greasy dirt.Pollution caused by coal dust serious environment lower fuel tank in down-hole is sneaked into coal dust easily and is caused oilhole to stop up.Old-fashioned fuel tank is the hole decentraction up and down, has to remove mediation during the cleaning greasy dirt.
(4) fuel tank does not have switch or regulates lubricant oil flow velocity device.Gear does not need to lubricate during shutdown, and fuel tank is preferably closed; When the coal winning machine speed of travel, angle variation, gear rotational speed, stressed difference, lubricants capacity also needs corresponding adjustment.
Summary of the invention
The utility model provides a kind of coal winning machine running part new gear lubricating fitting in order to solve the technical problem that existing coal winning machine draws the lubrication effect difference of exposed gear driving mechanism lubricating fitting existence outward.
The utility model is realized by following technological scheme, a kind of coal winning machine running part new gear lubricating fitting, structure comprises outer traction casing, draw casing outside and be provided with fuel tank, the bottom of fuel tank is concave shape, be provided with the oil dripping mouth bottom in the bottom, be covered with spiro pluging hole at fuel tank, pass the modulating valve that spiro pluging hole is provided with control oil dripping mouth.
Compare with existing apparatus, lubricating fitting described in the utility model with the fuel tank base plate by the flat spill that changes the band gradient at the bottom of, and the bottom is no longer concordant with top cover but be embedded into the square opening inside of top cover, volume of fuel tank has improved more than 2 times.Even under coal winning machine inclination working state, perhaps under the rugged state in the left and right sides, the remaining oil of fuel tank always accumulates under the concave surface, just is equivalent to the surplus oil of edge in the old-fashioned structure has been deducted a part, allowance significantly reduces, and has improved the fluid utilization ratio greatly.
Lubricant oil is fuel-displaced from the taper oil dripping mouth of fuel tank base plate minimum point, has significantly reduced the directly possibility of diffusion along the fuel tank base to peripheral plane of fluid.And the oil dripping mouth that improves mouthful is in the gear teeth face top, and fluid substantially all can drop in gear teeth face central authorities.Improved flank of tooth drop lubrication situation.
Structure and the function of regulating oil dripping speed have been increased.The oil dripping mouth is equipped with cone shape hole at fuel tank oil outlet place, and the supporting with it regulating valve stem that has passes the threaded interior hole of top spiro pluging hole, and valve stem end is shape, and modulating valve is formed in the cooperation that both can fit together perfectly.Can adjust slit between valve rod conical head and oil dripping mouth cone shape hole by regulating valve stem at built-in length in the plug screw, thereby reach the function of controlling out speed oil.
Maintainability strengthens, and this device has changed the Position Design of existing fuel tank spiro pluging hole and bottom oil outlet decentraction, and operator only need to stretch into fuel tank with iron wire from the top soil shifting opening, can clear up hydraulic fluid port straight down, allows cleaning fuel tank dirt stop up and becomes easy.
Description of drawings
Fig. 1 is the structural representation of existing apparatus
Fig. 2 is structural representation of the present utility model
Fig. 3 is the side view of this device
Among the figure: 1-draws casing, 2-gear, 3-fuel tank, 4-plug cock hole, 5-oil dripping mouth, 6-modulating valve, 7-spiro pluging hole outward.
Embodiment
As Fig. 2,3 signals, a kind of coal winning machine running part new gear lubricating fitting, structure comprises outer traction casing 1, draw casing outside and be provided with fuel tank 3, the bottom of fuel tank 3 is concave shape, be provided with oil dripping mouth 5 bottom in the bottom, be covered with spiro pluging hole 7 at fuel tank 3, pass the modulating valve 6 that spiro pluging hole 7 is provided with control oil dripping mouth.Described spiro pluging hole 7 and oil dripping mouth 5 are co-located on the vertical line.
The fuel tank base plate by the flat spill that changes the band gradient at the bottom of, and the bottom is no longer concordant with top cover but be embedded into the square opening inside of top cover, volume has improved more than 2 times.
Improved flank of tooth drop lubrication situation, behind the flat upward punching of the original fuel tank installation plug cock, flat going up do not have outstanding position, because oil viscosity is bigger, gear oil just spreads along wide base plane 4 outflow backs from the plug cock hole, fluid runs into top cover and will flow down along internal chamber wall with outer traction inner chamber junction, and this part oil just drips on the flank of tooth less than outer traction one-level gear, and lubrication effect is bad.
The utility model fuel tank is fuel-displaced from the taper oil dripping mouth of fuel tank base plate.The fuel tank base plate changes all around the four direction that four bent plates are welded into into by flat board and all replaces with the projecting surface of gradient, and the oil dripping mouth exceeds peripheral dull and stereotyped 10mm, its peripheral panel size 80X32, reduce the area of plane of original hydraulic fluid port periphery 100X200, reduce the possibility that the fluid of knowing clearly directly spreads along peripheral plane.
Structure after the improvement has been considered the relative position of the flank of tooth of gear, no matter the front still be the oil dripping mouth position of side oil dripping mouth just in time in the center on gear top, fluid substantially all can drop in gear teeth face central authorities.
Structure and the function of regulating oil dripping speed have been increased.
Shown in Fig. 2,3, the oil dripping mouth is 60 ° of cone shape holes at fuel tank oil outlet place, with it supporting have a regulating valve stem (threaded, M12) pass the threaded interior hole of top plug screw, the long 110mm of valve rod M12 and end are 60 ° of tapers, and modulating valve is formed in the cooperation that both can fit together perfectly.Can adjust slit between valve rod conical head and oil dripping mouth cone shape hole by regulating valve stem at built-in length in the plug screw, thereby reach the function of controlling out speed oil.
Maintainability strengthens.
New-type fuel tank has been given up the structure of old-fashioned fuel tank spiro pluging hole and bottom oil outlet decentraction shown in Fig. 2 .3, also allow simultaneously cleaning fuel tank dirt stop up and become easy, it (is spiro pluging hole from the top soil shifting opening that the downhole operations personnel only need with iron wire, accompanying drawing 3) stretches into fuel tank, can clear up hydraulic fluid port straight down.
Under the inclination working state, allowance significantly reduces.
When fuel tank tilted, old-fashioned fuel tank can store a large amount of fluid in the fuel tank corner areas, and the fluid plane is far away from the oil outlet below, and therefore this part surplus oil can not flow fuel tank all the time all the time, has caused waste.
New-type concave structure in fuel tank bottom all around four direction all used the bent plate that certain inclination angle is arranged, though therefore coal winning machine tilt forward and back or about be uneven, the remaining oil of fuel tank is always few, just be equivalent to the surplus oil of edge in the old-fashioned structure has been deducted a part, improved the fluid utilization ratio greatly.
Claims (3)
1. coal winning machine running part new gear lubricating fitting, structure comprises outer traction casing (1), draw casing outside and be provided with fuel tank (3), it is characterized in that: the bottom of fuel tank (3) is concave shape, be provided with oil dripping mouth (5) bottom in the bottom, be covered with spiro pluging hole (7) at fuel tank (3), pass the modulating valve (6) that spiro pluging hole (7) is provided with control oil dripping mouth.
2. coal winning machine running part new gear lubricating fitting according to claim 1, it is characterized in that: described spiro pluging hole (7) and oil dripping mouth (5) are co-located on the vertical line.
3. coal winning machine running part new gear lubricating fitting according to claim 1, it is characterized in that: oil dripping mouth (5) is 60 ° of cone shape holes at fuel tank oil outlet place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722741 CN203051722U (en) | 2012-12-25 | 2012-12-25 | Novel gear lubricating device of walking part of coal cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722741 CN203051722U (en) | 2012-12-25 | 2012-12-25 | Novel gear lubricating device of walking part of coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051722U true CN203051722U (en) | 2013-07-10 |
Family
ID=48734676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722741 Expired - Fee Related CN203051722U (en) | 2012-12-25 | 2012-12-25 | Novel gear lubricating device of walking part of coal cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051722U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251299A (en) * | 2013-10-30 | 2014-12-31 | 莱州市盛乐机械有限公司 | Liquid level adjusting oil tank for gearbox |
| CN105508582A (en) * | 2016-01-05 | 2016-04-20 | 天地上海采掘装备科技有限公司 | Oil dripping system for aluminum collector road wheel |
| CN110094625A (en) * | 2019-05-27 | 2019-08-06 | 天地科技股份有限公司上海分公司 | The open type running part oil drip system of combined type multiple spot independent lubricating |
| CN110159705A (en) * | 2019-05-27 | 2019-08-23 | 天地科技股份有限公司上海分公司 | Divide the running part of cavity configuration |
-
2012
- 2012-12-25 CN CN 201220722741 patent/CN203051722U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251299A (en) * | 2013-10-30 | 2014-12-31 | 莱州市盛乐机械有限公司 | Liquid level adjusting oil tank for gearbox |
| CN105508582A (en) * | 2016-01-05 | 2016-04-20 | 天地上海采掘装备科技有限公司 | Oil dripping system for aluminum collector road wheel |
| CN110094625A (en) * | 2019-05-27 | 2019-08-06 | 天地科技股份有限公司上海分公司 | The open type running part oil drip system of combined type multiple spot independent lubricating |
| CN110159705A (en) * | 2019-05-27 | 2019-08-23 | 天地科技股份有限公司上海分公司 | Divide the running part of cavity configuration |
| CN110094625B (en) * | 2019-05-27 | 2024-04-09 | 天地科技股份有限公司上海分公司 | Combined multipoint independent lubrication open type running part oil dripping system |
| CN110159705B (en) * | 2019-05-27 | 2024-04-09 | 天地科技股份有限公司上海分公司 | Walking part of cavity separating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |