CN204200221U - High-power cantilever type cutting device of coal mining machine for thin coal seam - Google Patents
High-power cantilever type cutting device of coal mining machine for thin coal seam Download PDFInfo
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- CN204200221U CN204200221U CN201420450580.XU CN201420450580U CN204200221U CN 204200221 U CN204200221 U CN 204200221U CN 201420450580 U CN201420450580 U CN 201420450580U CN 204200221 U CN204200221 U CN 204200221U
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Abstract
The utility model discloses a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, comprises housing, tubular cooling unit, the first shaft assembly, clutch, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, cylinder; Be suspended from rib side outside the cutting motor of cantilevered cutting means, instead of be arranged on above transporter two ledge, ensured the smooth and easy of coal channel, and final stage adopts planetary reduction gear, output speed is comparatively slow, and output torque is large; The power of cutting motor is delivered to the first shaft assembly by flexible shaft, and clutch is arranged on cutting motor head, coordinates namely complete from, closing operation with the first shaft assembly.Be suspended from rib side outside the high-power cutting motor of the utility model cutting means, ensure that the smooth and easy of coal channel, cutting power can be increased to greatest extent, solve the coal cutting of girdle high-power coal cutter, coal loading problem, improve the production efficiency of coal-winning machine.
Description
Technical field
The utility model belongs to coal excavation apparatus technical field, relates to a kind of coal-winning machine, particularly relates to a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam.
Background technology
China's coal seam geological condition is complicated, the particularly girdle of China, and the whole nation has a very wide distribution, complicated geological, and mining equipment type selecting difficulty, exploitation rate is slow.Along with in thick and above coal seam by exploitation progressively, thin or thinner seam has become the main mining coal seam of China.Effective exploitation that is thin or thinner seam becomes the matter of great urgency.
Existing cutting device of coal mining machine, is usually placed in above transporter two ledge.Due to machine height, cutting power and the contradiction crossing coal channel three, the production efficiency of coal-winning machine cannot be improved.For the problems referred to above, have dealer to propose the typical structure of cutting means employing Dual-motors Driving, for small-power low seam mining machinery, this structure can reduce single motor size, increases coal channel, alleviates above-mentioned contradictory problems.But when running into the special circumstances such as ature of coal is hard, coal seam dirt band is many, then need to configure powerful cutting motor, to improve the reliability of coal-winning machine, this kind of cutting motor is arranged on the arrangement above transporter two ledge, still the restriction of heavy-duty motor size is subject to, so can not well solve the problem.
In view of this, nowadays in the urgent need to designing a kind of novel high-power cantilever type cutting device of coal mining machine for thin coal seam, effectively to solve the problem.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, cutting power can be increased to greatest extent and cross coal channel, solve the coal cutting of girdle high-power coal cutter, coal loading problem, the labour intensity of thin seam working surface workman can be effectively reduced, improve the production efficiency of coal-winning machine.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, described cantilevered cutting means comprises housing, tubular cooling unit, the first shaft assembly, clutch, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, cylinder;
Once connect between described first shaft assembly, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, by meshed transmission gear between adjacent shaft assembly, transmit power;
Be suspended from rib side outside the cutting motor of described cantilevered cutting means, instead of be arranged on above transporter two ledge, ensured the smooth and easy of coal channel, and final stage adopts planetary reduction gear, output speed is comparatively slow, and output torque is large;
The power of described cutting motor is delivered to the first shaft assembly by flexible shaft, and clutch is arranged on cutting motor head, coordinates namely complete from, closing operation with the first shaft assembly; Flexible shaft is the key element of clutch, and its two end is connected with cutting motor rotor and the first shaft assembly respectively by involute spline; When this axle the effect of handle and pull bar is lower outside draw time, the spline of flexible shaft and the internal spline of the first shaft assembly depart from, and stop power transmission;
Second shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 3rd shaft assembly;
3rd shaft assembly comprises cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland; Shaft gear is supported on housing by self-aligning roller bearing, and is connected by splined shaft with gear wheel, and makes axial restraint by bolt and gland; Second shaft assembly is by power transmission to gear wheel, and the internal spline of gear wheel engages with splined shaft external splines, and power is delivered to shaft gear from gear wheel;
4th shaft assembly is shaft gear, and two ends, are engaged with gear wheel by spline by the one end of adopting sky side by bearings on housing, and gear wheel is meshed with the shaft gear of the 3rd shaft assembly, transmits power;
5th shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 6th shaft assembly;
6th shaft assembly effect imports the power of spur gear into planetary reduction gear by spline; 6th shaft gear is bearing on bearing holder (housing, cover) and large end cap by two cylinder roller bearings;
Planetary reduction gear is primarily of sun gear, planetary gear, ring gear, planet carrier, block bearing and plane floating seal, square coupling sleeve composition; The splined end of sun gear and the internal spline of the 6th shaft gear are connected, input torque; When sun gear rotates, drive planetary gear along axis rotation own, drive again planet carrier to rotate around its axis simultaneously; Planet carrier is connected by spline and square coupling sleeve, and Driving Torque is passed to cylinder; Planetary reduction gear is fixed by seam, bolt, pin and housing; Planet carrier shaft adopts end face float grease seal, the elastic force that it is produced by O shape circle compressive deformation, compresses two fluctuate hermetical rings, realizes the movable sealing of low-speed rotary shaft; Square coupling sleeve and planet carrier by splined, and make axial restraint by bolt and gland;
Described housing arranges auxiliary coaling gear, is positioned at the rear of cylinder, auxiliary coaling gear can rotate freely, and pushes the coal at front roll rear to front roll, carries out repeating to coaling, and improves loading effect;
Described housing is provided with internal spraying system, external spraying system; Internal spraying system comprises inner atomizing inlet mouth, internal spraying water channel, internal spraying water supply installation, inner spraying nozzle; External spraying system comprises external spraying water inlet, cooling unit, external spraying nozzle;
Internal spraying water is entered by inner atomizing inlet mouth, and the water channel above housing on water channel and the large end cap of the 6th shaft assembly, enters in inner sprayer unit, finally sprayed by the nozzle of cylinder, play spray for dust suppression effect; External spraying water is entered by external spraying water inlet, through tubular cooling unit, enters housing upper and lower water channel, finally from the external spraying nozzle ejection housing, plays the effect of cooling.
A kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, described cantilevered cutting means comprises housing, tubular cooling unit, the first shaft assembly, clutch, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, cylinder;
Be suspended from rib side outside the cutting motor of described cantilevered cutting means, instead of be arranged on above transporter two ledge, ensured the smooth and easy of coal channel, and final stage adopts planetary reduction gear, output speed is comparatively slow, and output torque is large;
The power of described cutting motor is delivered to the first shaft assembly by flexible shaft, and clutch is arranged on cutting motor head, coordinates namely complete from, closing operation with the first shaft assembly; Flexible shaft is the key element of clutch, and its two end is connected with cutting motor rotor and the first shaft assembly respectively by involute spline; When this axle the effect of handle and pull bar is lower outside draw time, the spline of flexible shaft and the internal spline of the first shaft assembly depart from, and stop power transmission.
As a kind of preferred version of the present utility model, the second shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 3rd shaft assembly;
3rd shaft assembly comprises cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland; Shaft gear is supported on housing by self-aligning roller bearing, and is connected by splined shaft with gear wheel, and makes axial restraint by bolt and gland; Second shaft assembly is by power transmission to gear wheel, and the internal spline of gear wheel engages with splined shaft external splines, and power is delivered to shaft gear from gear wheel;
4th shaft assembly is shaft gear, and two ends, are engaged with gear wheel by spline by the one end of adopting sky side by bearings on housing, and gear wheel is meshed with the shaft gear of the 3rd shaft assembly, transmits power;
5th shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 6th shaft assembly;
6th shaft assembly effect imports the power of spur gear into planetary reduction gear by spline; 6th shaft gear is bearing on bearing holder (housing, cover) and large end cap by two cylinder roller bearings.
As a kind of preferred version of the present utility model, planetary reduction gear is primarily of sun gear, planetary gear, ring gear, planet carrier, block bearing and plane floating seal, square coupling sleeve composition;
The splined end of sun gear and the internal spline of the 6th shaft gear are connected, input torque; When sun gear rotates, drive planetary gear along axis rotation own, drive again planet carrier to rotate around its axis simultaneously; Planet carrier is connected by spline and square coupling sleeve, and Driving Torque is passed to cylinder; Planetary reduction gear is fixed by seam, bolt, pin and housing; Planet carrier shaft adopts end face float grease seal, the elastic force that it is produced by O shape circle compressive deformation, compresses two fluctuate hermetical rings, realizes the movable sealing of low-speed rotary shaft; Square coupling sleeve and planet carrier by splined, and make axial restraint by bolt and gland;
As a kind of preferred version of the present utility model, described housing arranges auxiliary coaling gear, be positioned at the rear of cylinder, auxiliary coaling gear can rotate freely, and pushes the coal at front roll rear to front roll, carries out repeating to coaling, and improves loading effect.
As a kind of preferred version of the present utility model, described housing is provided with internal spraying system, external spraying system; Internal spraying system comprises inner atomizing inlet mouth, internal spraying water channel, internal spraying water supply installation, inner spraying nozzle; External spraying system comprises external spraying water inlet, cooling unit, external spraying nozzle;
Internal spraying water is entered by inner atomizing inlet mouth, and the water channel above housing on water channel and the large end cap of the 6th shaft assembly, enters in inner sprayer unit, finally sprayed by the nozzle of cylinder, play spray for dust suppression effect; External spraying water is entered by external spraying water inlet, through tubular cooling unit, enters housing upper and lower water channel, finally from the external spraying nozzle ejection housing, plays the effect of cooling.
The beneficial effects of the utility model are: the high-power cantilever type cutting device of coal mining machine for thin coal seam that the utility model proposes, rib side is suspended from outside its high-power cutting motor, instead of above two ledges being arranged on transporter, ensure that the smooth and easy of coal channel, cutting power can be increased to greatest extent, final stage adopts planetary reduction gear, output speed is slower, output torque is large, and cantilevered cutting means is provided with auxiliary coaling gear, solve the coal cutting of girdle high-power coal cutter, coal loading problem, improve the production efficiency of coal-winning machine.The utility model is applicable to high-power coal cutter that is thin or thinner seam.
Accompanying drawing explanation
Fig. 1 is the front view of this high-power cantilever type cutting device of coal mining machine for thin coal seam.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the top view of this high-power cantilever type cutting device of coal mining machine for thin coal seam.
Detailed description of the invention
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1 to Fig. 3, the utility model discloses a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, comprising: housing 1, inner atomizing inlet mouth 2, external spraying water inlet 3, tubular cooling unit 4, first shaft assembly 5, clutch 6, second shaft assembly 7, the 3rd shaft assembly 8, the 4th shaft assembly 9, the 5th shaft assembly 10, the 6th shaft assembly 11, planetary reduction gear 12, internal spraying water supply installation 13, cutting motor 14, auxiliary coaling gear 15, external spraying nozzle 16, cylinder 17, transporter 18.Once connect between described first shaft assembly 5, second shaft assembly 7, the 3rd shaft assembly 8, the 4th shaft assembly 9, the 5th shaft assembly 10, the 6th shaft assembly 11, by meshed transmission gear between adjacent shaft assembly, transmit power.
Refer to Fig. 2, Fig. 3, be suspended from rib side outside high-power cutting motor 14, instead of be arranged on above transporter 18 liang of ledges, ensure that the smooth and easy of coal channel, and final stage adopts planetary reduction gear 12, output speed is comparatively slow, and output torque is large.The power of cutting motor 14 is delivered to the first shaft assembly 5 by flexible shaft, and clutch pack 6 is arranged on cutting motor 14 head, coordinates namely complete from, closing operation with the first shaft assembly 5.Flexible shaft is the key element of clutch 6, and its two end is connected with rotor and the first shaft assembly 5 respectively by involute spline.When this axle the effect of handle and pull bar is lower outside draw time, the spline of flexible shaft and the internal spline of the first shaft assembly 5 depart from, and stop power transmission.
Second shaft assembly 7 is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 3rd shaft assembly 8.
3rd shaft assembly 8 is made up of cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland etc.Shaft gear on housing 1, and with gear wheel by splined, and makes axial restraint by bolt and gland by bearings.Second shaft assembly 7 is by power transmission to gear wheel, and the internal spline of gear wheel engages with splined shaft external splines, and power is delivered to shaft gear from gear wheel.
4th shaft assembly 9 is shaft gear, and two ends, are engaged with gear wheel by spline by the one end of adopting sky side by bearings on housing, and gear wheel is meshed with the shaft gear of the 3rd shaft assembly 8, transmits power.
5th shaft assembly 10 is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 6th shaft assembly 11.
6th shaft assembly 11 effect imports the power of spur gear into planetary reduction gear 12 by spline.6th shaft gear 11 is bearing on bearing holder (housing, cover) and large end cap by two cylinder roller bearings.
Planetary reduction gear 12 is primarily of compositions such as sun gear, planetary gear, ring gear, planet carrier, block bearing and plane floating seal, square coupling sleeves.The splined end of sun gear and the internal spline of six shaft gears are connected, input torque.When sun gear rotates, drive planetary gear along axis rotation own, drive again planet carrier to rotate around its axis simultaneously.Planet carrier is connected by spline and square coupling sleeve, Driving Torque is passed to cylinder 17.Planetary reduction gear 12 is fixed by seam, bolt, pin and housing 1.Planet carrier shaft adopts end face float grease seal, the elastic force that it is produced by O shape circle compressive deformation, compresses two fluctuate hermetical rings, realizes the movable sealing of low-speed rotary shaft.Square coupling sleeve and planet carrier by splined, and make axial restraint by bolt and gland.
Refer to Fig. 1, Fig. 2, cutting means housing 1 is provided with auxiliary coaling gear 15, is positioned at the rear of cylinder 17, can rotate freely, push the coal at front roll rear to front roll along the direction of arrow, carry out repeating to coaling, can effectively improve loading effect.
Refer to Fig. 2, Fig. 3, cutting means housing 1 is provided with inside and outside spraying system, internal spraying water is entered by inner atomizing inlet mouth 2, water channel above housing on the large end cap of water channel A and the 6th shaft assembly 11, enter in inner sprayer unit 13, finally sprayed by the nozzle on cylinder 17, play spray for dust suppression effect.External spraying water is entered by external spraying water inlet 3, through tubular cooling unit 4, enters housing upper and lower water channel B, finally sprays from the external spraying nozzle 16 housing, play the effect of cooling.
In sum, the high-power cantilever type cutting device of coal mining machine for thin coal seam that the utility model proposes, rib side is suspended from outside its high-power cutting motor, instead of above two ledges being arranged on transporter, ensure that the smooth and easy of coal channel, cutting power can be increased to greatest extent, final stage adopts planetary reduction gear, output speed is slower, output torque is large, and cantilevered cutting means is provided with auxiliary coaling gear, solve the coal cutting of girdle high-power coal cutter, coal loading problem, improve the production efficiency of coal-winning machine.The utility model is applicable to high-power coal cutter that is thin or thinner seam.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present utility model or substantive characteristics, the utility model can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the utility model scope and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (6)
1. a high-power cantilever type cutting device of coal mining machine for thin coal seam, it is characterized in that, described cantilevered cutting means comprises housing, tubular cooling unit, the first shaft assembly, clutch, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, cylinder;
Once connect between described first shaft assembly, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, by meshed transmission gear between adjacent shaft assembly, transmit power;
Be suspended from rib side outside the cutting motor of described cantilevered cutting means, instead of be arranged on above transporter two ledge, and final stage adopts planetary reduction gear, output speed is comparatively slow, and output torque is large;
The power of described cutting motor is delivered to the first shaft assembly by flexible shaft, and clutch is arranged on cutting motor head, coordinates namely complete from, closing operation with the first shaft assembly; Flexible shaft is the key element of clutch, and its two end is connected with cutting motor rotor and the first shaft assembly respectively by involute spline; When this axle the effect of handle and pull bar is lower outside draw time, the spline of flexible shaft and the internal spline of the first shaft assembly depart from, and stop power transmission;
Second shaft assembly is idler sheave assemblies, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two cylinder roller bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 3rd shaft assembly;
3rd shaft assembly comprises cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland; Shaft gear is supported on housing by self-aligning roller bearing, and is connected by splined shaft with gear wheel, and makes axial restraint by bolt and gland; Second shaft assembly is by power transmission to gear wheel, and the internal spline of gear wheel engages with splined shaft external splines, and power is delivered to shaft gear from gear wheel;
4th shaft assembly is shaft gear, and two ends, are engaged with gear wheel by spline by the one end of adopting sky side by bearings on housing, and gear wheel is meshed with the shaft gear of the 3rd shaft assembly, transmits power;
5th shaft assembly is idler sheave assemblies, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two cylinder roller bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 6th shaft assembly;
6th shaft assembly imports the power of spur gear into planetary reduction gear by spline; 6th shaft gear is bearing on bearing holder (housing, cover) and large end cap by two cylinder roller bearings;
Planetary reduction gear is primarily of sun gear, planetary gear, ring gear, planet carrier, block bearing and plane floating seal, square coupling sleeve composition; The splined end of sun gear and the internal spline of the 6th shaft gear are connected, input torque; When sun gear rotates, drive planetary gear along axis rotation own, drive again planet carrier to rotate around its axis simultaneously; Planet carrier is connected by spline and square coupling sleeve, and Driving Torque is passed to cylinder; Planetary reduction gear is fixed by seam, bolt, pin and housing; Planet carrier shaft adopts end face float grease seal, the elastic force that it is produced by O shape circle compressive deformation, compresses two fluctuate hermetical rings, realizes the movable sealing of low-speed rotary shaft; Square coupling sleeve and planet carrier by splined, and make axial restraint by bolt and gland;
Described housing arranges auxiliary coaling gear, is positioned at the rear of cylinder, auxiliary coaling gear can rotate freely, and pushes the coal at front roll rear to front roll, carries out repeating to coaling, and improves loading effect;
Described housing is provided with internal spraying system, external spraying system; Internal spraying system comprises inner atomizing inlet mouth, internal spraying water channel, internal spraying water supply installation, inner spraying nozzle; External spraying system comprises external spraying water inlet, cooling unit, external spraying nozzle;
Internal spraying water is entered by inner atomizing inlet mouth, and the water channel above housing on water channel and the large end cap of the 6th shaft assembly, enters in inner sprayer unit, finally sprayed by the nozzle of cylinder, play spray for dust suppression effect; External spraying water is entered by external spraying water inlet, through tubular cooling unit, enters housing upper and lower water channel, finally from the external spraying nozzle ejection housing, plays the effect of cooling.
2. a high-power cantilever type cutting device of coal mining machine for thin coal seam, it is characterized in that, described cantilevered cutting means comprises housing, tubular cooling unit, the first shaft assembly, clutch, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, cylinder;
Be suspended from rib side outside the cutting motor of described cantilevered cutting means, instead of be arranged on above transporter two ledge, and final stage adopts planetary reduction gear;
The power of described cutting motor is delivered to the first shaft assembly by flexible shaft, and clutch is arranged on cutting motor head, coordinates namely complete from, closing operation with the first shaft assembly; Flexible shaft is the key element of clutch, and its two end is connected with cutting motor rotor and the first shaft assembly respectively by involute spline; When this axle the effect of handle and pull bar is lower outside draw time, the spline of flexible shaft and the internal spline of the first shaft assembly depart from, and stop power transmission.
3. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 2, is characterized in that:
Once connect between described first shaft assembly, the second shaft assembly, the 3rd shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, by meshed transmission gear between adjacent shaft assembly, transmit power;
Second shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two cylinder roller bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 3rd shaft assembly;
3rd shaft assembly comprises cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland; Shaft gear is supported on housing by self-aligning roller bearing, and is connected by splined shaft with gear wheel, and makes axial restraint by bolt and gland; Second shaft assembly is by power transmission to gear wheel, and the internal spline of gear wheel engages with splined shaft external splines, and power is delivered to shaft gear from gear wheel;
4th shaft assembly is shaft gear, and two ends, are engaged with gear wheel by spline by the one end of adopting sky side by bearings on housing, and gear wheel is meshed with the shaft gear of the 3rd shaft assembly, transmits power;
5th shaft assembly is idler sheave assemblies, only plays gearing, comprises two cylinder roller bearings, axle, gear, axle sleeve and flat keys; Gear is bearing on axle sleeve by two cylinder roller bearings, is located by axle, axle sleeve and casing step; Located by flat key between axle and axle sleeve, prevent mutual rotation; By this shaft assembly by power transmission to the 6th shaft assembly;
6th shaft assembly effect imports the power of spur gear into planetary reduction gear by spline; 6th shaft gear is bearing on bearing holder (housing, cover) and large end cap by two cylinder roller bearings.
4. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 2, is characterized in that:
Planetary reduction gear is primarily of sun gear, planetary gear, ring gear, planet carrier, block bearing and plane floating seal, square coupling sleeve composition;
The splined end of sun gear and the internal spline of the 6th shaft gear are connected, input torque; When sun gear rotates, drive planetary gear along axis rotation own, drive again planet carrier to rotate around its axis simultaneously; Planet carrier is connected by spline and square coupling sleeve, and Driving Torque is passed to cylinder; Planetary reduction gear is fixed by seam, bolt, pin and housing; Planet carrier shaft adopts end face float grease seal, the elastic force that it is produced by O shape circle compressive deformation, compresses two fluctuate hermetical rings, realizes the movable sealing of low-speed rotary shaft; Square coupling sleeve and planet carrier by splined, and make axial restraint by bolt and gland.
5. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 2, is characterized in that:
Described housing arranges auxiliary coaling gear, is positioned at the rear of cylinder, auxiliary coaling gear can rotate freely, and pushes the coal at front roll rear to front roll, carries out repeating to coaling, and improves loading effect.
6. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 2, is characterized in that:
Described housing is provided with internal spraying system, external spraying system; Internal spraying system comprises inner atomizing inlet mouth, internal spraying water channel, internal spraying water supply installation, inner spraying nozzle; External spraying system comprises external spraying water inlet, cooling unit, external spraying nozzle;
Internal spraying water is entered by inner atomizing inlet mouth, and the water channel above housing on water channel and the large end cap of the 6th shaft assembly, enters in inner sprayer unit, finally sprayed by the nozzle of cylinder, play spray for dust suppression effect; External spraying water is entered by external spraying water inlet, through tubular cooling unit, enters housing upper and lower water channel, finally from the external spraying nozzle ejection housing, plays the effect of cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450580.XU CN204200221U (en) | 2014-08-11 | 2014-08-11 | High-power cantilever type cutting device of coal mining machine for thin coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450580.XU CN204200221U (en) | 2014-08-11 | 2014-08-11 | High-power cantilever type cutting device of coal mining machine for thin coal seam |
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|---|---|
| CN204200221U true CN204200221U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450580.XU Expired - Fee Related CN204200221U (en) | 2014-08-11 | 2014-08-11 | High-power cantilever type cutting device of coal mining machine for thin coal seam |
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| CN (1) | CN204200221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153773A (en) * | 2014-08-11 | 2014-11-19 | 天地上海采掘装备科技有限公司 | Cantilever type cutting device of high-power thin seam coal winning machine |
| CN107905783A (en) * | 2017-12-05 | 2018-04-13 | 山东科技大学 | A kind of winning machine cutting part with differential separation barrel |
-
2014
- 2014-08-11 CN CN201420450580.XU patent/CN204200221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153773A (en) * | 2014-08-11 | 2014-11-19 | 天地上海采掘装备科技有限公司 | Cantilever type cutting device of high-power thin seam coal winning machine |
| CN104153773B (en) * | 2014-08-11 | 2019-05-24 | 天地上海采掘装备科技有限公司 | High-power cantilever type cutting device of coal mining machine for thin coal seam |
| CN107905783A (en) * | 2017-12-05 | 2018-04-13 | 山东科技大学 | A kind of winning machine cutting part with differential separation barrel |
| CN107905783B (en) * | 2017-12-05 | 2023-08-18 | 山东科技大学 | Coal cutter cutting part with differential separation roller |
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