CN103486237A - Forced lubricating device of rocker gear box of coal mining machine - Google Patents
Forced lubricating device of rocker gear box of coal mining machine Download PDFInfo
- Publication number
- CN103486237A CN103486237A CN201310474631.2A CN201310474631A CN103486237A CN 103486237 A CN103486237 A CN 103486237A CN 201310474631 A CN201310474631 A CN 201310474631A CN 103486237 A CN103486237 A CN 103486237A
- Authority
- CN
- China
- Prior art keywords
- pump motor
- rocking arm
- oil
- rocker
- coal mining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 238000005065 mining Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 35
- 239000012208 gear oil Substances 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000010729 system oil Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a forced lubricating system device of bearings and gears in a rocker gear box of a coal mining machine, and relates to the technical field of coal mining machines. The device comprises an oil tank, a rocker and a pump motor, wherein the oil tank is respectively connected with the input end and the output end of a motor body in the pump motor through a hightening oil return pipeline and an output pipeline, a pump body in the pump motor is sequentially connected with a filter, a reversing valve and a cooler through a pipeline to form a closed loop, and the filter, and the reversing valve and the cooler are arranged in an inner cavity of the rocker. According to the forced lubricating device, return oil of a hydraulic hightening system serves as a power source, the pump motor serves as a work mechanism as a whole, by means of the electromagnetic reversing valve with a tilt angle sensor, the situation that the pump body pumps gear oil from a rocker low position to an oil-shortage portion at a rocker high position is guaranteed, added oil of the bearings and the gears circulates back and forth to force lubricating and cooling, when the rocker is ascended or descended for a long time, and the gears and bearings in the gear box can be fully lubricated and can work normally underground for a long time.
Description
Technical field
The present invention relates to the coal winning machine field of mechanical technique, relate in particular to a kind of enforced lubricating system and device that solves interior each bearing of rocker arm of coal mining machine gear-box and gear.
Background technique
Coal winning machine is when work, if rocking arm upwards lifts for a long time, lubricant oil in gear will all arrive the rocking arm bottom, and splash lubrication is only when each shaftgear can touch oil level, just work, therefore top what gear transmission, Planetary Gear Transmission and the bearing of gear can not be guaranteed to be lubricated fully, affected its working life.
At present in order to address the above problem the pump motor body series connection form that adopts, hydraulic oil is successively by the motor in the pump motor disjunctor of left and right, the motor driving pump work, but the oil circuit design is unreasonable, if one, two pump motor of series connection damages or stall, not only affects another pump motor and run well, also can directly hinder and heighten main return line, make oil return can only pass through height-adjusting system high-pressure overflow valve oil sump tank, hydraulic oil temperature is sharply raise, and other hydraulic element are caused to very large threat; Also directly affect the lubrication effect of two rocking arms, cause the faults such as damage of the bearing, rocking arm planet head floating seal, each shafting oil envelope overheating failure, leakage of oil, serious may the cause locking of rocking arm internal bearings, gear are broken, and impact is produced and progress, to mine, causes heavy economic losses.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of rocker arm of coal mining machine gear-box enforced lubricating device, to realize the sufficient lubrication of each bearing and gear in gear-box, improve the coal winning machine productivity effect.
For achieving the above object, the present invention takes following technological scheme:
A kind of rocker arm of coal mining machine gear-box enforced lubricating device, comprise hydraulic pressure is transferred the high system, rocking arm and pump motor, the return line of heightening of hydraulic pressure is transferred the high system is connected with the input end of motor body in the pump motor, and in the pump motor, the output terminal of motor body is connected with the fuel tank filler opening of hydraulic pressure is transferred the high system by output pipe; Heighten return line and output pipe is parallel with relief valve.
Further, heighten return line and output pipe and be parallel with that to adjust pressure be the 5MPa relief valve.If left and right rocking arm lubrication system breaks down simultaneously, 5MPa relief valve work, remain that return line is unimpeded, avoid heightening oil return through the oil return of height-adjusting system high-pressure overflow valve, in order to avoid cause oil temperature sharply to raise, improved the reliability of rocking arm lubrication system, also reduced in addition the rocking arm spoilage, also perfect height-adjusting system oil circuit arranges, and has isolated the possible breakdown point, has effectively avoided the hydraulic fault extension.
Further, the pump housing input end of pump motor is connected with the electromagnetic switch valve pipeline by filter, and the pump housing output terminal of described pump motor is connected with cooler input end pipeline; The bottom of described rocking arm inner chamber high speed axle is provided with low points No. one, and in described rocking arm inner chamber, the bottom of planet head is provided with low points No. two; Described solenoid directional control valve pipe comprises two inlet ports and an oil outlet, and a described low points is connected with two inlet port pipelines of solenoid directional control valve pipe respectively with No. two low points; Described rocking arm is provided with cooling vent, and described cooling vent is provided with cooling tube, and described cooling tube extends to rocking arm inner chamber two ends; Described cooler output terminal is connected with the cooling vent pipeline.Cooling tube is provided with some sprinklings mouthful, and in rocking arm, has three all to be provided with corresponding sprinkling mouth near cutting axles, four idler shafts, planet head.
Further, the sprinkling mouth number that cooling tube is established, the user can select to spray a mouthful number according to concrete lubricated sprinkling situation, when needs spray evenly, during sufficient lubrication, can be how, offer and spray mouthful uniformly; When the needs emphasis sprays some gear, can offer several sprinklings mouthful in corresponding position more.
Further, solenoid directional control valve, be provided with dip sensor and solenoid valve controller, dip sensor is for monitoring the rocking arm angle of inclination and feeding back signal to solenoid valve controller, and described solenoid valve controller is controlled the solenoid directional control valve oil suction according to the dip sensor feedback signal.
When the rocker arm of coal mining machine cylinder during in upper act (sinking) state, gear oil concentrates on rocking arm high speed shaft (planet head) and locates, the hydraulic pressure is transferred the high system oil return drives the pump revolution, solenoid valve controller is controlled solenoid directional control valve from a low points (No. two low points) oil suction according to the dip sensor feedback signal simultaneously, the gear oil filter of drawing filters, and constantly oil is beaten to planet head (high speed shaft) afterwards by cooler is cooling, thereby realize the lubrication effect of rocking arm.
Further, described rocking arm is single rocking arm or many rocking arms, and the lubricating fitting of the many rocking arms of the present invention is separate.Such as the Double swing arm of double-ended shearer, comprise left rocking arm and right rocking arm, the return line of heightening of hydraulic pressure is transferred the high system is connected with the input end of motor body in left pump motor, right pump motor respectively; The motor body output terminal of described left pump motor, right pump motor is connected with the fuel tank filler opening by output pipe.Left pump motor body, left filter, left solenoid directional control valve, left cooler, form separately loop and left rocking arm realized lubricated; Right pump motor body, right filter, right solenoid directional control valve, right cooler, form separately loop and right rocking arm realized lubricated.
Further, heighten return line and output pipe and be parallel with that to adjust pressure be the 5MPa relief valve.
Beneficial effect: (1) the present invention adopt rocker gear case enforced lubricating device be separate, thoroughly separate, take Double swing arm as example, if left (right side) road rocking arm lubrication system breaks down, can not affect the normal lubricated of the right side (left side) rocking arm; If left and right rocking arm lubrication system breaks down simultaneously, 5MPa relief valve work, remain that return line is unimpeded, avoid heightening oil return through the oil return of height-adjusting system high-pressure overflow valve, in order to avoid cause oil temperature sharply to raise, improved the reliability of rocking arm lubrication system, also reduced in addition the rocking arm spoilage, also perfect height-adjusting system oil circuit arranges, and has isolated the possible breakdown point, has effectively avoided the hydraulic fault extension.(2) the present invention utilizes the oil return of hydraulic pressure is transferred the high system as power source, pump motor disjunctor is as operation mechanism, guarantee that by the solenoid directional control valve with dip sensor pump extracts gear oil to high-order oil starvation bearing and gear out from the rocking arm low level all the time and buy oil that to loop back and forth enforced lubricating cooling, solved the narrow limitation of conventional rocker gear-box employing splash lubrication, guaranteed that when rocking arm lifts for a long time or falls gears at different levels and the bearing in the gear-box can be lubricated fully, made it to work for a long time in down-hole.
The accompanying drawing explanation
Fig. 1 is fundamental diagram of the present invention.
Fig. 2 is lubricating loop structural drawing in rocking arm of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, using two Rocker coal mining machines as preferred embodiment, and a kind of rocker arm of coal mining machine gear-box enforced lubricating device provided by the invention comprises: the left rocking arm of rocking arm 1(and right rocking arm), the left solenoid directional control valve of solenoid directional control valve 2(and right solenoid directional control valve), the left cooler of cooler 3(and right cooler), the left pump motor of pump motor 4(and right pump motor), the left filter of filter 5(and right filter), relief valve 11, fuel tank 12, heighten return line 13 and output pipe 14.Right solenoid directional control valve 2 and left solenoid directional control valve 7 are two position three way directional control valve, comprise two inlet ports and an oil outlet, and are provided with dip sensor and solenoid valve controller, and solenoid valve controller is controlled the solenoid directional control valve oil suction according to the dip sensor feedback signal
The return line 13 of heightening of hydraulic pressure is transferred the high system is connected with the input end of the motor body of right pump motor and left pump motor respectively, and fuel tank 12 is connected with the output terminal of the motor body of right pump motor and left pump motor respectively by output pipe 14.Heighten return line 13 and output pipe 14 and be parallel with that to adjust pressure be 5MPa relief valve 11.Right pump motor middle pump body input end is connected with right electromagnetic switch valve pipeline by right filter, and the pump housing output terminal of right pump motor is connected with right cooler input end pipeline.Left pump motor middle pump body input end is connected with left electromagnetic switch valve pipeline by left filter, and the pump housing output terminal of left pump motor is connected with left cooler input end pipeline.Heighten return line and output pipe and be parallel with that to adjust pressure be 5MPa relief valve 11.
Right rocking arm and left rocking arm lubricating loop are identical, separate, take right rocking arm as example, as shown in Figure 2, the bottom of right rocking arm inner chamber high speed axle 9 and the bottom of planet head 20 are respectively equipped with 10,21, two low points 10,21 of low points and are connected with two inlet port pipelines of right solenoid directional control valve respectively.Right rocking arm is provided with a cooling vent 19, cooling vent 19 is connected with the cooling tube 6 that is arranged on right rocking arm inner chamber, cooling tube 6 is selected steel pipe, it is welded in the rocking arm housing, steel pipe in rocking arm three cut near axles (cut an axle 9, cut two axles 7 and cut three axles 15), four idler shafts (a lazy axle 8, lazy two axles 18, lazy three axles 17 and lazy four axles 16), planet head 20 position and all have and spray mouth, wherein cut an axle 9 for high speed shaft, tooth oil sprays facing to the gear on corresponding axis the lubricated effect of playing by the hole of opening during by steel pipe.
Right cooler output terminal is connected with cooling vent 19 pipelines.When the rocker arm of coal mining machine cylinder during in upper act state, gear oil concentrates on right rocking arm high speed shaft 9 places, the hydraulic pressure is transferred the high system oil return drives right pump revolution, solenoid valve controller is controlled right solenoid directional control valve from 10 oil suctions of high speed shaft low points according to the dip sensor feedback signal simultaneously, through right filter, constantly oil is beaten to the planet head afterwards by right cooler is cooling, thereby realized the lubrication effect of right rocking arm.
When the rocker arm of coal mining machine cylinder during in the sinking state, gear oil concentrates on left rocking arm planet head 20 places, the hydraulic pressure is transferred the high system oil return drives left pump revolution, solenoid valve controller is controlled left solenoid directional control valve from 21 oil suctions of planet head low points according to the dip sensor feedback signal simultaneously, through left filter, constantly oil is beaten to high speed shaft 9 afterwards by left cooler is cooling, thereby realized the lubrication effect of left rocking arm.
If left rocking arm or right rocking arm lubricating loop break down, can not affect the normal lubricated of right rocking arm or left rocking arm; If left rocking arm, right rocking arm lubricating loop break down simultaneously, relief valve 11 work of 5MPa, remain that return line is unimpeded, avoids heightening oil return through the oil return of height-adjusting system high-pressure overflow valve, in order to avoid cause oil temperature sharply to raise, improved the reliability of rocking arm lubrication system.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a rocker arm of coal mining machine gear-box enforced lubricating device, comprise hydraulic pressure is transferred the high system, rocking arm (1) and pump motor (4), it is characterized in that: the return line (13) of heightening of described hydraulic pressure is transferred the high system is connected with the input end of motor body in pump motor (4), and in described pump motor (4), the output terminal of motor body is connected with fuel tank (12) filler opening of hydraulic pressure is transferred the high system by output pipe (14); Describedly heighten return line (13) and output pipe (14) is parallel with relief valve (11).
2. a kind of rocker arm of coal mining machine gear-box enforced lubricating device according to claim 1, it is characterized in that: the pump housing input end of described pump motor (4) is connected with solenoid directional control valve (2) pipeline by filter (5), and the pump housing output terminal of described pump motor (4) is connected with cooler (3) input end pipeline; The bottom of described rocking arm (1) inner chamber high speed axle (9) is provided with a low points (10), and in described rocking arm inner chamber, the bottom of planet head (20) is provided with No. two low points (21); Described solenoid directional control valve pipe (2) comprises two inlet ports and an oil outlet, and a described low points (10) is connected with (2) two inlet port pipelines of solenoid directional control valve pipe respectively with No. two low points (21); Described rocking arm (1) is provided with cooling vent (19), and described cooling vent (19) is provided with cooling tube (6), and described cooling tube (6) extends to rocking arm (1) inner chamber two ends; Described cooling tube (6) is provided with some sprinklings mouthful, and a described sprinkling mouthful respective rocker arm is cut axle (9) (7) (15), idler shaft (8) (18) (17) (16), planet head (20); Described cooler (3) output terminal is connected with cooling vent (6) pipeline.
3. a kind of rocker arm of coal mining machine gear-box enforced lubricating device according to claim 1, it is characterized in that: the adjustment pressure of described relief valve (11) is 5MPa.
4. a kind of rocker arm of coal mining machine gear-box enforced lubricating device according to claim 1, it is characterized in that: described rocking arm (1) comprises left rocking arm and right rocking arm, described pump motor (4) comprises left pump motor and right pump motor, and the return line (13) of heightening of described hydraulic pressure is transferred the high system is connected with the input end of motor body in left pump motor, right pump motor respectively; The motor body output terminal of described left pump motor, right pump motor is connected with fuel tank (12) filler opening by output pipe (14).
5. a kind of rocker arm of coal mining machine gear-box enforced lubricating device according to claim 2, it is characterized in that: described solenoid directional control valve (2) is provided with dip sensor and solenoid valve controller, and described solenoid valve controller is controlled the solenoid directional control valve oil suction according to the dip sensor feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474631.2A CN103486237B (en) | 2013-10-11 | 2013-10-11 | A kind of rocker arm of coal mining machine gear-box enforced lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474631.2A CN103486237B (en) | 2013-10-11 | 2013-10-11 | A kind of rocker arm of coal mining machine gear-box enforced lubricating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486237A true CN103486237A (en) | 2014-01-01 |
| CN103486237B CN103486237B (en) | 2016-03-02 |
Family
ID=49826719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310474631.2A Active CN103486237B (en) | 2013-10-11 | 2013-10-11 | A kind of rocker arm of coal mining machine gear-box enforced lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486237B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806740A (en) * | 2014-11-11 | 2015-07-29 | 三一重型装备有限公司 | Lubricant spray device, rocker arm component and coal mining machine |
| CN106812926A (en) * | 2017-02-14 | 2017-06-09 | 西安法士特汽车传动有限公司 | A kind of speed changer pump hydraulic system |
| CN106958734A (en) * | 2017-05-04 | 2017-07-18 | 天地科技股份有限公司上海分公司 | The two-way mutual lubricating system of rocker arm of coal mining machine and rocker arm of coal mining machine |
| CN108825768A (en) * | 2018-09-03 | 2018-11-16 | 杭叉集团股份有限公司 | A kind of dynamic compaction machinery automatic lubricating system and its control method |
| CN108916626A (en) * | 2017-12-25 | 2018-11-30 | 辽宁三三工业有限公司 | A kind of lubricating system and method |
| CN109237000A (en) * | 2018-08-13 | 2019-01-18 | 西安煤矿机械有限公司 | The multi-cavity lubrication and cooling means and device of a kind of appropriate angle speed reducer |
| CN110230687A (en) * | 2019-06-11 | 2019-09-13 | 大连华锐重工集团股份有限公司 | Modularization grab bucket ship unloader gearbox lubrication cooling system and its control method |
| CN110285211A (en) * | 2019-06-24 | 2019-09-27 | 山东科技大学 | A kind of coalcutter lubricating system and the method using the system lubrication winning machine cutting part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092876A (en) * | 2006-06-21 | 2007-12-26 | 天地上海采掘装备科技有限公司 | Forced lubricator of cut drive portion of coal cutter |
| CN101749528A (en) * | 2008-12-09 | 2010-06-23 | 沈阳矿山机械有限公司 | Built-in forced lubricating system of rocker arm of coal mining machine |
| US20100301660A1 (en) * | 2009-05-29 | 2010-12-02 | Joy Mm Delaware | Cooling a ranging arm gear case on a longwall shearer |
| CN102537293A (en) * | 2011-12-13 | 2012-07-04 | 安徽山河矿业装备股份有限公司 | Lubricating device of rocker arm reduction box of coal mining machine |
| CN202708024U (en) * | 2012-06-20 | 2013-01-30 | 三一重型装备有限公司 | Rocker arm forced lubrication system and coal cutter |
| CN203500442U (en) * | 2013-10-11 | 2014-03-26 | 江苏中机矿山设备有限公司 | Forced lubrication device of rocker arm gearbox of coal cutter |
-
2013
- 2013-10-11 CN CN201310474631.2A patent/CN103486237B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092876A (en) * | 2006-06-21 | 2007-12-26 | 天地上海采掘装备科技有限公司 | Forced lubricator of cut drive portion of coal cutter |
| CN101749528A (en) * | 2008-12-09 | 2010-06-23 | 沈阳矿山机械有限公司 | Built-in forced lubricating system of rocker arm of coal mining machine |
| US20100301660A1 (en) * | 2009-05-29 | 2010-12-02 | Joy Mm Delaware | Cooling a ranging arm gear case on a longwall shearer |
| CN102537293A (en) * | 2011-12-13 | 2012-07-04 | 安徽山河矿业装备股份有限公司 | Lubricating device of rocker arm reduction box of coal mining machine |
| CN202708024U (en) * | 2012-06-20 | 2013-01-30 | 三一重型装备有限公司 | Rocker arm forced lubrication system and coal cutter |
| CN203500442U (en) * | 2013-10-11 | 2014-03-26 | 江苏中机矿山设备有限公司 | Forced lubrication device of rocker arm gearbox of coal cutter |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806740A (en) * | 2014-11-11 | 2015-07-29 | 三一重型装备有限公司 | Lubricant spray device, rocker arm component and coal mining machine |
| CN106812926A (en) * | 2017-02-14 | 2017-06-09 | 西安法士特汽车传动有限公司 | A kind of speed changer pump hydraulic system |
| CN106958734A (en) * | 2017-05-04 | 2017-07-18 | 天地科技股份有限公司上海分公司 | The two-way mutual lubricating system of rocker arm of coal mining machine and rocker arm of coal mining machine |
| CN106958734B (en) * | 2017-05-04 | 2019-03-15 | 天地科技股份有限公司上海分公司 | The two-way mutual lubricating system of rocker arm of coal mining machine and rocker arm of coal mining machine |
| CN108916626A (en) * | 2017-12-25 | 2018-11-30 | 辽宁三三工业有限公司 | A kind of lubricating system and method |
| CN109237000A (en) * | 2018-08-13 | 2019-01-18 | 西安煤矿机械有限公司 | The multi-cavity lubrication and cooling means and device of a kind of appropriate angle speed reducer |
| CN108825768A (en) * | 2018-09-03 | 2018-11-16 | 杭叉集团股份有限公司 | A kind of dynamic compaction machinery automatic lubricating system and its control method |
| CN110230687A (en) * | 2019-06-11 | 2019-09-13 | 大连华锐重工集团股份有限公司 | Modularization grab bucket ship unloader gearbox lubrication cooling system and its control method |
| CN110230687B (en) * | 2019-06-11 | 2020-06-16 | 大连华锐重工集团股份有限公司 | Gear box lubricating and cooling system for modular grab bucket ship unloader and control method thereof |
| CN110285211A (en) * | 2019-06-24 | 2019-09-27 | 山东科技大学 | A kind of coalcutter lubricating system and the method using the system lubrication winning machine cutting part |
| CN110285211B (en) * | 2019-06-24 | 2021-07-20 | 山东科技大学 | Coal mining machine lubricating system and method for lubricating cutting part of coal mining machine by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103486237B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103486237B (en) | A kind of rocker arm of coal mining machine gear-box enforced lubricating device | |
| CN203500442U (en) | Forced lubrication device of rocker arm gearbox of coal cutter | |
| CN202708024U (en) | Rocker arm forced lubrication system and coal cutter | |
| CN204175591U (en) | A kind of four gear type gear pumps for hydraulic system | |
| CN111271442A (en) | Forced lubricating system for rocker arm of high-power coal mining machine | |
| CN102095067A (en) | Mining machine and lubricating device thereof | |
| CN204023642U (en) | Hydraulic crawler excavator oil-liquid hybrid electric system | |
| CN202065454U (en) | External cooling circulation system of rocker arm speed reduction box of coal mining machine | |
| CN103994121B (en) | The unnecessary automatic draining structure of hydraulic oil in hydraulic actuator driving chamber | |
| CN204692222U (en) | The two oil cylinder hydraulic jack-up system of self-raising tower crane | |
| CN107355666A (en) | A kind of birotor lubricating oil pump | |
| CN203926608U (en) | Oil drilling rotating disk gear-box | |
| CN203641181U (en) | Hydraulic power conversion control device | |
| CN201944526U (en) | Mine machinery and lubricating device thereof | |
| CN203756517U (en) | Hydraulic gear pump side plate with unload groove | |
| CN204942620U (en) | A kind of Novel integral multi-way valve | |
| CN104782258A (en) | Forced compression device of low power roller tractor | |
| CN203702157U (en) | Main drive device and shield tunnelling machine | |
| CN207259884U (en) | A kind of concatenation type hydraulic motor applied on railway ballast cleaning car excavator | |
| CN2699032Y (en) | Preferential turning unloading valve for gear control | |
| CN104214323A (en) | Forced lubrication device and mining device | |
| CN201155395Y (en) | Engines oil jetting pump drive axle seat | |
| CN204532460U (en) | Oil pump and motor | |
| CN206015769U (en) | Cylinder body in a kind of quartering hammer | |
| CN204755456U (en) | Hydraulic motor pressure relief device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220329 Address after: 221000 No.1 Huatai Road, No.3 Industrial Park, Xuzhou hi tech Industrial Development Zone, Jiangsu Province Patentee after: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Address before: 221008 Huatai Road, high tech Industrial Development Zone, Xuzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGJI MINE EQUIPMENT Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140101 Assignee: Shanghai Lingang Financial Leasing Co.,Ltd. Assignor: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Contract record no.: X2022980015643 Denomination of invention: A forced lubrication device for shearer rocker gear box Granted publication date: 20160302 License type: Exclusive License Record date: 20220919 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A forced lubrication device for shearer rocker gear box Effective date of registration: 20220920 Granted publication date: 20160302 Pledgee: Shanghai Lingang Financial Leasing Co.,Ltd. Pledgor: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Registration number: Y2022980015823 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shanghai Lingang Financial Leasing Co.,Ltd. Assignor: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Contract record no.: X2022980015643 Date of cancellation: 20221226 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221226 Granted publication date: 20160302 Pledgee: Shanghai Lingang Financial Leasing Co.,Ltd. Pledgor: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Registration number: Y2022980015823 |