CN103147752A - Water distribution device of cutting motor suspension arm section - Google Patents
Water distribution device of cutting motor suspension arm section Download PDFInfo
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- CN103147752A CN103147752A CN2013101041080A CN201310104108A CN103147752A CN 103147752 A CN103147752 A CN 103147752A CN 2013101041080 A CN2013101041080 A CN 2013101041080A CN 201310104108 A CN201310104108 A CN 201310104108A CN 103147752 A CN103147752 A CN 103147752A
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- water distribution
- main shaft
- distribution dish
- suspension arm
- cantilever
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Abstract
The invention provides a water distribution device of a cutting motor suspension arm section, which belongs to the technical field of water distribution systems of heading machines, has a long service life and enables pressure water to be smoothly discharged without influencing normal underground production. According to the technical scheme, the water distribution device of the cutting motor suspension arm section comprises a suspension arm cylinder, a main shaft, a water distribution disc, a cutting head and a speed reducer, wherein the main shaft is installed in the suspension arm cylinder, a radial hole is formed along the axis of the main shaft, one end of the suspension arm cylinder is connected with the speed reducer, the other end of the suspension arm cylinder is connected with the cutting head, a nozzle is arranged on the cutting head and communicated with the radial hole, the water distribution disc is installed in a hollow cavity between the speed reducer and the suspension arm cylinder and assembled on the main shaft, a rotary seal is installed between the water distribution disc and the main shaft, and a water outlet is formed in the lower part of the suspension arm cylinder. The water distribution device is mainly suitable for being installed in an internal spraying system of a heading machine.
Description
Technical field
The water dispensing apparatus of cutting motor cantilever segment of the present invention belongs to development machine water distribution system technical field.
Background technology
The internal spraying water dispensing apparatus of development machine is press water to be introduced the device of revolving part by fixture, its main failure cause is mounted in the rotatory sealing excessive wear on it, cause press water to leak, the system pressure loss is excessive, can't provide nozzle ejection required pressure.Simultaneously, if press water enters cutting reducer and cantilever segment, will cause reducer and cantilever segment to work, directly have influence on production.
Water distribution dish in development machine is arranged on the main shaft of cantilever segment, the bias the when play of processing, alignment error and the bearing of the part that matches with main shaft can cause the main shaft rotation; Main shaft directly is connected with cutterhead in addition, and the vibration of development machine cutting coal petrography will be directly delivered on main shaft, causes additional eccentric.These two kinds of bias are all that cutting mechanism is intrinsic, and the eccentric additional cycles stress of rotatory sealing of giving can make sealing wear, has reduced application life.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is to provide a kind of water dispensing apparatus of cutting motor cantilever segment, and long service life can guarantee that press water gets rid of smoothly, does not affect the down-hole and normally produces.
in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the water dispensing apparatus of cutting motor cantilever segment, comprise the cantilever cylinder, main shaft, the water distribution dish, cutterhead and reducer, the axis that main shaft is arranged on cantilever cylinder inside and main shaft is provided with radial hole, one end of described cantilever cylinder is connected with reducer, the other end of cantilever cylinder is connected with cutterhead, described cutterhead is provided with nozzle, described nozzle is communicated with radial hole, in cavity between described reducer and cantilever cylinder, the water distribution dish is installed, the water distribution dish be sleeved on main shaft and water distribution dish and main shaft between rotatory sealing is installed, the bottom of described cantilever cylinder is provided with outfall,
The structure of described water distribution dish is: the disk body of ring-type is provided with two sizing blocks and a joint contiguous block and two sizing blocks and is positioned on same axis, be equipped with a pin-and-hole on described each sizing block and be connected with the cantilever cylinder by straight pin, described joint contiguous block is provided with nipple orifice and is connected with the waterpipe joint of cantilever cylinder outside, and nipple orifice is communicated with the radial hole of main shaft.
The fit system of described straight pin and cantilever cylinder is interference fit, and the fit system of straight pin and water distribution dish is matched in clearance.
The making material of described water distribution dish is 1Cr13, and the amount of floating of the relative main shaft of water distribution dish is 0.2～0.7mm.
Between described water distribution dish and main shaft, anti-wear sleeve is installed, described rotatory sealing is arranged between water distribution dish and anti-wear sleeve.
The present invention compares with prior art has following beneficial effect.
1, the present invention is provided with outfall in cantilever cylinder bottom, is convenient to the press water of revealing is discharged smoothly, does not affect the normal operation of reducer and cantilever segment.
2, structure, the material of the water distribution dish in the present invention reduce its weight, with and with the design of the amount of floating of main shaft, reduced the wearing and tearing of rotatory sealing, extended application life, reduced cost of production.
3, the straight pin in the present invention with the cantilever cylinder be interference fit, with the water distribution dish be matched in clearance, can prevent that on the one hand the water distribution dish from rotating, main shaft has certain amount of floating on the other hand, can automatically regulate the nonconcentricity of sealing surface.
4, the present invention is equipped with anti-wear sleeve between main shaft and water distribution dish, has reduced the wear rate of main shaft, has extended the application life of main shaft, has reduced cost.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of water distribution dish in the present invention.
Fig. 3 is the structural representation of anti-wear sleeve in the present invention.
In figure: 1 is the cantilever cylinder, and 2 is main shaft, and 3 are the water distribution dish, and 4 is cutterhead, and 5 is reducer, and 6 is nozzle, 7 is radial hole, and 8 is disk body, and 9 is sizing block, and 10 is the joint contiguous block, and 11 is pin-and-hole, 12 is nipple orifice, and 13 is the waterpipe joint, and 14 is straight pin, and 15 is outfall, and 16 is anti-wear sleeve.
The specific embodiment
as Fig. 1, Fig. 2, shown in Figure 3, the water dispensing apparatus of cutting motor cantilever segment of the present invention, comprise cantilever cylinder 1, main shaft 2, water distribution dish 3, cutterhead 4 and reducer 5, the axis that main shaft 2 is arranged on cantilever cylinder 1 inside and main shaft 2 is provided with radial hole 7, one end of described cantilever cylinder 1 is connected with reducer 5, the other end of cantilever cylinder 1 is connected with cutterhead 4, described cutterhead 4 is provided with nozzle 6, described nozzle 6 is communicated with radial hole 7, in cavity between described reducer 5 and cantilever cylinder 1, water distribution dish 3 is installed, water distribution dish 3 be sleeved on main shaft 2 and water distribution dish 3 and main shaft 2 between rotatory sealing is installed, the bottom of described cantilever cylinder 1 is provided with outfall 15,
The structure of described water distribution dish 3 is: the disk body 8 of ring-type is provided with two sizing blocks 9 and a joint contiguous block 10 and two sizing blocks 9 and is positioned on same axis, be equipped with a pin-and-hole 11 on described each sizing block 9 and be connected with cantilever cylinder 1 by straight pin 14, described joint contiguous block 10 is provided with nipple orifice 12 and is connected with the waterpipe joint 13 of cantilever cylinder 1 outside, and nipple orifice 12 is communicated with the radial hole 7 of main shaft 2.
Described straight pin 14 is interference fit with the fit system of cantilever cylinder 1, and straight pin 14 is matched in clearance with the fit system of water distribution dish 3.
The making material of described water distribution dish 3 is 1Cr13, and the amount of floating of water distribution dish 3 relative main shafts 2 is 0.2～0.7mm.
Between described water distribution dish 3 and main shaft 2, anti-wear sleeve 16 is installed, described rotatory sealing is arranged between water distribution dish 2 and anti-wear sleeve 16.
Polishing described anti-wear sleeve 16 needs whole chromium plating when making after, the hardness of raising sealing surface.
The above has done detailed description to embodiments of the invention by reference to the accompanying drawings, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also make various variations under the prerequisite that does not break away from aim of the present invention.
Claims (4)
1. the water dispensing apparatus of cutting motor cantilever segment, comprise cantilever cylinder (1), main shaft (2), water distribution dish (3), cutterhead (4) and reducer (5), it is characterized in that: the axis that main shaft (2) is arranged on cantilever cylinder (1) inside and main shaft (2) is provided with radial hole (7), one end of described cantilever cylinder (1) is connected with reducer (5), the other end of cantilever cylinder (1) is connected with cutterhead (4), described cutterhead (4) is provided with nozzle (6), described nozzle (6) is communicated with radial hole (7), in cavity between described reducer (5) and cantilever cylinder (1), water distribution dish (3) is installed, water distribution dish (3) is sleeved on main shaft (2) and upward and between water distribution dish (3) and main shaft (2) rotatory sealing is installed, the bottom of described cantilever cylinder (1) is provided with outfall (15),
The structure of described water distribution dish (3) is: the disk body of ring-type (8) is provided with two sizing blocks (9) and a joint contiguous block (10) and two sizing blocks (9) and is positioned on same axis, be equipped with a pin-and-hole (11) on described each sizing block (9) and be connected with cantilever cylinder (1) by straight pin (14), described joint contiguous block (10) is provided with nipple orifice (12) and is connected with the outside waterpipe joint (13) of cantilever cylinder (1), and nipple orifice (12) is communicated with the radial hole (7) of main shaft (2).
2. the water dispensing apparatus of cutting motor cantilever segment according to claim 1 is characterized in that: described straight pin (14) is interference fit with the fit system of cantilever cylinder (1), and straight pin (14) is matched in clearance with the fit system of water distribution dish (3).
3. the water dispensing apparatus of cutting motor cantilever segment according to claim 1 and 2, it is characterized in that: the making material of described water distribution dish (3) is 1Cr13, water distribution dish (3) amount of floating of main shaft (2) relatively is 0.2～0.7mm.
4. the water dispensing apparatus of cutting motor cantilever segment according to claim 1 and 2, it is characterized in that: between described water distribution dish (3) and main shaft (2), anti-wear sleeve (16) is installed, described rotatory sealing is arranged between water distribution dish (2) and anti-wear sleeve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101041080A CN103147752A (en) | 2013-03-28 | 2013-03-28 | Water distribution device of cutting motor suspension arm section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101041080A CN103147752A (en) | 2013-03-28 | 2013-03-28 | Water distribution device of cutting motor suspension arm section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103147752A true CN103147752A (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101041080A Pending CN103147752A (en) | 2013-03-28 | 2013-03-28 | Water distribution device of cutting motor suspension arm section |
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| Country | Link |
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| CN (1) | CN103147752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691543A (en) * | 2018-07-13 | 2018-10-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of cutting inner sprayer unit of continuous miner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1322749A (en) * | 1970-10-24 | 1973-07-11 | Mavor Coulson Ltd | Mining machines and booms threfor |
| DE3609754A1 (en) * | 1986-03-22 | 1987-09-24 | Gewerk Eisenhuette Westfalia | Spraying arrangement for selective-cut heading machines |
| CN201148874Y (en) * | 2007-12-26 | 2008-11-12 | 三一重型装备有限公司 | Inner spray sealing device of development machine |
| CN201170098Y (en) * | 2008-01-29 | 2008-12-24 | 太原绮慧科技发展有限公司 | Development machine cantalever segment |
| CN201412152Y (en) * | 2009-05-31 | 2010-02-24 | 佳木斯煤矿机械有限公司 | Internal spraying sealing device of boring machine |
| CN102116154A (en) * | 2010-12-17 | 2011-07-06 | 航天晨光股份有限公司 | Built-in spraying water channel in road header |
| CN203145941U (en) * | 2013-03-28 | 2013-08-21 | 山西潞安矿业(集团)有限责任公司 | Water distribution device of cantilever section of cutting motor |
-
2013
- 2013-03-28 CN CN2013101041080A patent/CN103147752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1322749A (en) * | 1970-10-24 | 1973-07-11 | Mavor Coulson Ltd | Mining machines and booms threfor |
| DE3609754A1 (en) * | 1986-03-22 | 1987-09-24 | Gewerk Eisenhuette Westfalia | Spraying arrangement for selective-cut heading machines |
| CN201148874Y (en) * | 2007-12-26 | 2008-11-12 | 三一重型装备有限公司 | Inner spray sealing device of development machine |
| CN201170098Y (en) * | 2008-01-29 | 2008-12-24 | 太原绮慧科技发展有限公司 | Development machine cantalever segment |
| CN201412152Y (en) * | 2009-05-31 | 2010-02-24 | 佳木斯煤矿机械有限公司 | Internal spraying sealing device of boring machine |
| CN102116154A (en) * | 2010-12-17 | 2011-07-06 | 航天晨光股份有限公司 | Built-in spraying water channel in road header |
| CN203145941U (en) * | 2013-03-28 | 2013-08-21 | 山西潞安矿业(集团)有限责任公司 | Water distribution device of cantilever section of cutting motor |
Non-Patent Citations (2)
| Title |
|---|
| 杨勤: "纵轴式掘进机高可靠性内喷雾系统的研制", 《煤炭科学技术》 * |
| 潘桃芳: "用两套夹具在普通机床上保证", 《金属加工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691543A (en) * | 2018-07-13 | 2018-10-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of cutting inner sprayer unit of continuous miner |
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Application publication date: 20130612 |