CN102410287A - Large-inclination-angle coal mining machine and oil absorbing device thereof - Google Patents
Large-inclination-angle coal mining machine and oil absorbing device thereof Download PDFInfo
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- CN102410287A CN102410287A CN2011104128123A CN201110412812A CN102410287A CN 102410287 A CN102410287 A CN 102410287A CN 2011104128123 A CN2011104128123 A CN 2011104128123A CN 201110412812 A CN201110412812 A CN 201110412812A CN 102410287 A CN102410287 A CN 102410287A
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- coal winning
- inclined angle
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Abstract
The invention discloses a large-inclination-angle coal mining machine and an oil absorbing device thereof. The oil absorbing device comprises an oil absorbing pipe, an oil absorbing valve and a gravity mechanism, wherein the oil absorbing valve is arranged on one end of the oil absorbing pipe and is connected with the oil absorbing end of a filter through the oil absorbing pipe; the gravity mechanism is arranged on the oil absorbing valve; and the gravity mechanism enables the oil absorbing valve to be on the lowest end of an oil level because of the action of gravity so as to adapt to the change of the oil level of a hydraulic tank of the coal mining machine due to a large-inclination-angle coal layer of a working surface. According to the large-inclination-angle coal mining machine and the oil absorbing device thereof provided by the invention, the oil absorbing problem of a height regulating pump of the coal mining machine when the large-inclination-angle coal layer is mined is solved. According to the oil absorbing device, the oil absorbing pipe is connected to the oil absorbing end of the filter, the oil absorbing valve is connected to the other end of the oil absorbing pipe, a gravity ball is connected to the oil absorbing valve, and the gravity ball enables the oil absorbing valve to be always on the lowest end of the oil level of the tank, therefore normal oil absorption of the pump is ensured; and therefore, reliability of the coal mining machine is greatly enhanced, and high-efficiency mining of the coal mining machine is ensured.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of large inclined angle coal winning machine, relate in particular to a kind of Oil sucking device of large inclined angle coal winning machine.
Background technique
Along with in a large amount of exploitations in thick above coal seam reduce, thin and thinner seam has become the main mining coal seam of China.Needs (particularly low seam mining machinery) along with the coal winning machine high reliability request: coal winning machine power is increasing, and function is more and more, and increasingly high to the adaptability requirement in coal seam, corresponding structure is more and more compacter.Because can utilize that the space is less relatively, nervous (short, the thin thickness of the fuselage of low seam mining machinery particularly of structure; Hydraulic fluid tank is also corresponding thin; Mostly hydraulic fluid tank on the coal winning machine is irregularly shaped), the oil suction filters locations of installing in the hydraulic fluid tank can not be carried out desirable layout.
The girdle of China and thinner seam distribute wide, and coal seam conditions is complicated, especially coalfields, southwestern section such as China Sichuan, Guizhou, Yunnan: not only have the coal seam conditions of exploitation working surface large inclined angle, and across pitch exists also than the wide-angle situation of adopting of facing upward, bow.This has increased the exploitation of cost and difficulty, the especially girdle of exploitation greatly.In the actual using process, the low seam mining machinery hydraulic fluid tank oil suction of large inclination working surface exploitation has become outstanding problem.Normal oil suction when the Oil sucking device of low seam mining machinery hydraulic fluid tank can not satisfy left working surface and right working surface large inclined angle simultaneously.
See also Fig. 1-1, Fig. 1-2, Fig. 2-1, Fig. 2-2; In the thin seam mining of large inclined angle uses; Ubiquitous coal winning machine heightens that the suction of pump empty damages, height-regulating hydraulic system undesired (in the coal winning machine using process of reality; The Operation and Maintenance personnel must note the minimum oil level of hydraulic fluid tank fluid constantly, and the hydraulic pressure oil level was if had great fluctuation process or existed the part external leakage loss fault of hydraulic system just possibly occur), extremely difficult under the large inclined angle girdle condition in addition to the maintenance of equipment; Have a strong impact on exploitation rate, greatly reduced manufacturing efficiency; Maintenance time is long, and local thin seam working surface possibly cause the big deflection of top board, has serious exploitation potential safety hazard.
At present, a kind of Oil sucking device also do not occur and can be good at solving oil suction problem irregular on the large inclined angle low seam mining machinery, small volume hydraulic pressure casing (Oil sucking device can not obtain desirable spatial arrangement mode simultaneously) simultaneous adaptation left and right sides working surface.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of large inclined angle coal winning machine to use Oil sucking device, can improve the reliability of coal winning machine, guarantee the exploitation of coal winning machine high efficiency.
In addition, the present invention also provides a kind of large inclined angle coal winning machine, can improve the reliability of coal winning machine, guarantees the exploitation of coal winning machine high efficiency.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of large inclined angle coal winning machine is used Oil sucking device, and said Oil sucking device comprises fuel sucking pipe, oil sucting valve, gravity mechanism;
Said oil sucting valve is arranged on an end of fuel sucking pipe, is connected with the oil absorbing end of filter through fuel sucking pipe;
Gravity mechanism is set on the said oil sucting valve, and gravity mechanism is because the effect of gravity makes oil sucting valve be in the least significant end of oil level all the time, to adapt to the variation of the large-inclination-angle coal bed coal winning machine hydraulic fluid tank oil level that causes of working surface.
As a kind of preferred version of the present invention, said Oil sucking device also comprises gland, and gland is fixed through screw and oil sucting valve; Said gravity mechanism is set between gland and the oil sucting valve.
As a kind of preferred version of the present invention, the said gravity mechanism power ball of attaching most importance to, but any circumference rotates.
As a kind of preferred version of the present invention, said fuel sucking pipe is rotatable flexible fuel sucking pipe.
As a kind of preferred version of the present invention, said fuel sucking pipe comprises elbow connection, and said filter comprises long filter core, long barrel shell, the terminal elbow connection that connects fuel sucking pipe of long barrel shell, and elbow connection can be around the inlet port rotational of filter.
A kind of large inclined angle coal winning machine, said large inclined angle coal winning machine comprises Oil sucking device, hydraulic fluid tank, filter; Said Oil sucking device is arranged in the hydraulic fluid tank, comprises fuel sucking pipe, oil sucting valve, gravity mechanism;
Said oil sucting valve is arranged on an end of fuel sucking pipe, is connected with the oil absorbing end of filter through fuel sucking pipe;
Gravity mechanism is set on the said oil sucting valve, and gravity mechanism is because the effect of gravity makes oil sucting valve be in the least significant end of oil level all the time, to adapt to the variation of the large-inclination-angle coal bed coal winning machine hydraulic fluid tank oil level that causes of working surface.
As a kind of preferred version of the present invention, said Oil sucking device also comprises gland, and gland is fixed through screw and oil sucting valve; Said gravity mechanism is set between gland and the oil sucting valve.
As a kind of preferred version of the present invention, the said gravity mechanism power ball of attaching most importance to, but any circumference rotates.
As a kind of preferred version of the present invention, said fuel sucking pipe is rotatable flexible fuel sucking pipe.
As a kind of preferred version of the present invention, said fuel sucking pipe comprises elbow connection, and said filter comprises long filter core, long barrel shell, the terminal elbow connection that connects fuel sucking pipe of long barrel shell, and elbow connection can be around the inlet port rotational of filter.
Beneficial effect of the present invention is: large inclined angle coal winning machine and Oil sucking device thereof that the present invention proposes, coal winning machine is heightened the oil suction problem of pump when solving mining steeply dipping coal seam.This Oil sucking device is connected with fuel sucking pipe at the filter oil absorbing end, and the fuel sucking pipe the other end is connected with oil sucting valve, and the oil sucting valve place is connected with the gravity ball, and the gravity ball orders about the least significant end that oil sucting valve is positioned at fuel level in tank all the time, guarantees the normal oil suction of pump; Thereby improved the reliability of coal winning machine greatly, guaranteed the exploitation of coal winning machine high efficiency.
Description of drawings
Fig. 1-1 is the position view of filter when having the low seam mining machinery level now.
Fig. 1-2 is that the A-A of Fig. 1-1 is to sectional view.
Fig. 2-1 is the structural representation when having low seam mining machinery large inclined angle state now.
Fig. 2-2 is a structure of filter schematic representation when having low seam mining machinery large inclined angle state now.
Fig. 3-1 is the structural representation of large inclined angle coal winning machine of the present invention with Oil sucking device.
Fig. 3-2 is an oil sucting valve and the schematic representation that is connected of gravity mechanism.
Fig. 4-1 adapts to the structural representation of various angles with Oil sucking device for large inclined angle coal winning machine of the present invention.
Fig. 4-2 adapts to the structural representation of various angles with Oil sucking device for large inclined angle coal winning machine of the present invention.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 3-1, Fig. 3-2, the present invention discloses a kind of large inclined angle coal winning machine, and said large inclined angle coal winning machine comprises Oil sucking device, hydraulic fluid tank, filter 1; Said Oil sucking device is arranged in the hydraulic fluid tank, comprises fuel sucking pipe 2, oil sucting valve 3, gravity mechanism 4.Said oil sucting valve 3 is connected with the straight joint 22 of fuel sucking pipe 2, and the elbow connection 21 of fuel sucking pipe 2 is connected with the oil absorbing end of filter 1.Said fuel sucking pipe 3 is for rotatable flexible; Said gravity mechanism 4 is a gravity ball 4, but any circumference rotates.
Said filter 1 comprises long filter core 11, long barrel shell 12, the long barrel shell 12 terminal elbow connections 21 that connect fuel sucking pipes, and elbow connection 21 can rotate around the inlet port axis 13 of filter 1.
On the said oil sucting valve 3 gravity mechanism 4 is set.One side of gravity mechanism 4 is provided with gland 5, and gland 5 is fixing with oil sucting valve 3 through screw 6; Said gravity mechanism 4 is set between gland 5 and the oil sucting valve 3.Gravity mechanism 4 is because the effect of gravity makes oil sucting valve 3 be in the least significant end of oil level all the time, to adapt to the variation of the large-inclination-angle coal bed coal winning machine hydraulic fluid tank oil level that causes of working surface.
Shown in Fig. 4-1, Fig. 4-2, when large inclined angle appearred in working face of coal seam, coal winning machine fuselage and horizontal line were corresponding wide-angle tilt; The large inclined angle coal winning machine that is installed in the hydraulic fluid tank rolls to the hydraulic fluid tank lowermost end along the hydraulic fluid tank bottom surface owing to action of gravity with the gravity ball 4 of Oil sucking device; Gravity ball 4 drags oil sucting valve 3, gland 5, also moves to the hydraulic fluid tank lowermost end simultaneously simultaneously; Because fuel sucking pipe 2 is rotatable flexible, oil sucting valve 3, gravity ball 4, gland 5, screw 6 are able to arrive the hydraulic fluid tank lowermost end; Make this Oil sucking device be in the lowermost end of oil level, guaranteed normal oil suction.
One-way valve 31 is installed on the oil sucting valve 3: during the pump oil suction, because action of negative pressure, one-way valve is opened oil suction automatically; When pump quit work, one-way valve was in closed condition, prevented that the oil pipe inner fluid is back to hydraulic fluid tank because of action of gravity, avoided inlet line, filter not to have oil and caused the suction of pump empty.
In sum, large inclined angle coal winning machine and Oil sucking device thereof that the present invention proposes, coal winning machine is heightened the oil suction problem of pump when solving mining steeply dipping coal seam.This Oil sucking device is connected with fuel sucking pipe at the filter oil absorbing end, and the fuel sucking pipe the other end is connected with oil sucting valve, and the oil sucting valve place is connected with the gravity ball, and the gravity ball orders about the least significant end that oil sucting valve is positioned at fuel level in tank all the time, guarantees the normal oil suction of pump; Thereby improved the reliability of coal winning machine greatly, guaranteed the exploitation of coal winning machine high efficiency.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the embodiment's who is disclosed distortion and change are possible, and embodiment's replacement is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment who is disclosed.
Claims (10)
1. a large inclined angle coal winning machine is used Oil sucking device, it is characterized in that, said Oil sucking device comprises fuel sucking pipe, oil sucting valve, gravity mechanism;
Said oil sucting valve is arranged on an end of fuel sucking pipe, is connected with the oil absorbing end of filter through fuel sucking pipe;
Gravity mechanism is set on the said oil sucting valve, and gravity mechanism is because the effect of gravity makes oil sucting valve be in the least significant end of oil level all the time, to adapt to the variation of the large-inclination-angle coal bed coal winning machine hydraulic fluid tank oil level that causes of working surface.
2. large inclined angle coal winning machine according to claim 1 is used Oil sucking device, it is characterized in that:
Said Oil sucking device also comprises gland, and gland is fixed through screw and oil sucting valve; Said gravity mechanism is set between gland and the oil sucting valve.
3. large inclined angle coal winning machine according to claim 2 is used Oil sucking device, it is characterized in that:
The said gravity mechanism power ball of attaching most importance to, but any circumference rotates.
4. large inclined angle coal winning machine according to claim 1 is used Oil sucking device, it is characterized in that:
Said fuel sucking pipe is rotatable flexible fuel sucking pipe.
5. large inclined angle coal winning machine according to claim 1 is used Oil sucking device, it is characterized in that:
Said fuel sucking pipe comprises elbow connection, and said filter comprises long filter core, long barrel shell, the terminal elbow connection that connects fuel sucking pipe of long barrel shell, and elbow connection can be around the inlet port rotational of filter.
6. a large inclined angle coal winning machine is characterized in that, said large inclined angle coal winning machine comprises Oil sucking device, hydraulic fluid tank, filter; Said Oil sucking device is arranged in the hydraulic fluid tank, comprises fuel sucking pipe, oil sucting valve, gravity mechanism;
Said oil sucting valve is arranged on an end of fuel sucking pipe, is connected with the oil absorbing end of filter through fuel sucking pipe;
Gravity mechanism is set on the said oil sucting valve, and gravity mechanism is because the effect of gravity makes oil sucting valve be in the least significant end of oil level all the time, to adapt to the variation of the large-inclination-angle coal bed coal winning machine hydraulic fluid tank oil level that causes of working surface.
7. large inclined angle coal winning machine according to claim 6 is characterized in that:
Said Oil sucking device also comprises gland, and gland is fixed through screw and oil sucting valve; Said gravity mechanism is set between gland and the oil sucting valve.
8. large inclined angle coal winning machine according to claim 7 is characterized in that:
The said gravity mechanism power ball of attaching most importance to, but any circumference rotates.
9. large inclined angle coal winning machine according to claim 6 is characterized in that:
Said fuel sucking pipe is rotatable flexible fuel sucking pipe.
10. large inclined angle coal winning machine according to claim 6 is characterized in that:
Said fuel sucking pipe comprises elbow connection, and said filter comprises long filter core, long barrel shell, the terminal elbow connection that connects fuel sucking pipe of long barrel shell, and elbow connection can be around the inlet port rotational of filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412812.3A CN102410287B (en) | 2011-12-12 | 2011-12-12 | A kind of high inclination-angle coal-winning machine and Oil sucking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412812.3A CN102410287B (en) | 2011-12-12 | 2011-12-12 | A kind of high inclination-angle coal-winning machine and Oil sucking device thereof |
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| CN102410287A true CN102410287A (en) | 2012-04-11 |
| CN102410287B CN102410287B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110412812.3A Active CN102410287B (en) | 2011-12-12 | 2011-12-12 | A kind of high inclination-angle coal-winning machine and Oil sucking device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777296A (en) * | 2012-08-17 | 2012-11-14 | 广西柳工机械股份有限公司 | High-volume utilization rate fuel tank |
| CN110005528A (en) * | 2019-04-08 | 2019-07-12 | 贵州永红航空机械有限责任公司 | A kind of aircraft engine oil case fuel supply method and flexible fuel feed pump |
| CN111305926A (en) * | 2020-02-19 | 2020-06-19 | 重庆鼎工机电有限公司 | General engine capable of meeting use of large inclination angle |
Citations (5)
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| GB300232A (en) * | 1927-08-09 | 1928-11-09 | Sullivan Machinery Co | Improvements in or relating to coal-cutters and like machines |
| EP0067144A1 (en) * | 1981-06-04 | 1982-12-15 | VOEST-ALPINE Aktiengesellschaft | Cooling device for the tools of a continuous mining machine |
| CN201636136U (en) * | 2010-03-26 | 2010-11-17 | 三一重型装备有限公司 | Hydraulic oil filling system of coal mining machine |
| CN201982093U (en) * | 2011-01-05 | 2011-09-21 | 河北天择重型机械有限公司 | Hydraulic system of coal mining machine |
| CN202381454U (en) * | 2011-12-12 | 2012-08-15 | 天地上海采掘装备科技有限公司 | Coal mining machine with wide inclined angle and oil absorbing device thereof |
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2011
- 2011-12-12 CN CN201110412812.3A patent/CN102410287B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB300232A (en) * | 1927-08-09 | 1928-11-09 | Sullivan Machinery Co | Improvements in or relating to coal-cutters and like machines |
| EP0067144A1 (en) * | 1981-06-04 | 1982-12-15 | VOEST-ALPINE Aktiengesellschaft | Cooling device for the tools of a continuous mining machine |
| CN201636136U (en) * | 2010-03-26 | 2010-11-17 | 三一重型装备有限公司 | Hydraulic oil filling system of coal mining machine |
| CN201982093U (en) * | 2011-01-05 | 2011-09-21 | 河北天择重型机械有限公司 | Hydraulic system of coal mining machine |
| CN202381454U (en) * | 2011-12-12 | 2012-08-15 | 天地上海采掘装备科技有限公司 | Coal mining machine with wide inclined angle and oil absorbing device thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777296A (en) * | 2012-08-17 | 2012-11-14 | 广西柳工机械股份有限公司 | High-volume utilization rate fuel tank |
| CN102777296B (en) * | 2012-08-17 | 2014-07-23 | 广西柳工机械股份有限公司 | High-volume utilization rate fuel tank |
| CN110005528A (en) * | 2019-04-08 | 2019-07-12 | 贵州永红航空机械有限责任公司 | A kind of aircraft engine oil case fuel supply method and flexible fuel feed pump |
| CN110005528B (en) * | 2019-04-08 | 2021-07-09 | 贵州永红航空机械有限责任公司 | Oil supply method for lubricating oil tank of aircraft engine and flexible oil supply pipe |
| CN111305926A (en) * | 2020-02-19 | 2020-06-19 | 重庆鼎工机电有限公司 | General engine capable of meeting use of large inclination angle |
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| Publication number | Publication date |
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| CN102410287B (en) | 2016-05-04 |
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