CN104153773B - 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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- CN104153773B CN104153773B CN201410392308.5A CN201410392308A CN104153773B CN 104153773 B CN104153773 B CN 104153773B CN 201410392308 A CN201410392308 A CN 201410392308A CN 104153773 B CN104153773 B CN 104153773B
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Abstract
Present invention discloses a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, including shell, tubular cooling device, the first shaft assembly, clutch, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, roller；It is suspended from coal wall side outside the cutting motor of cantilevered cutting means, rather than is arranged above two ledge of transporter, guaranteed the smooth of coal channel, and final stage uses planetary reduction gear, output revolving speed is slower, and output torque is big；The power of cutting motor is transmitted to the first shaft assembly by flexible shaft, and clutch is mounted on cutting motor head, completes with the cooperation of the first shaft assembly from, closing operation.Cutting means of the present invention, high-power cutting motor are suspended from coal wall side outside, ensure that the smooth of coal channel, and can increase cutting power to greatest extent, and solved coal cutting, the coal loading problem of girdle high-power coal cutter, improve the production efficiency of coalcutter.
Description
Technical field
The invention belongs to coal excavation apparatus technical field, it is related to a kind of coalcutter more particularly to a kind of high-power girdle is adopted
Coal machine cantilevered cutting means.
Background technique
China's coal seam geological condition is complicated, and especially the girdle in China, the whole nation have a very wide distribution, and geological structure is complicated,
Winning apparatus type selecting is difficult, and exploitation rate is slow.As the coal seam of middle thickness or more is by exploitation gradually, thin or thinner seam is
Main mining coal seam as China.Thin or thinner seam effectively exploitation has become the matter of great urgency.
Existing cutting device of coal mining machine is usually placed in above two ledge of transporter.Due to machine height, cutting power
Contradiction with coal channel three is crossed, can not improve the production efficiency of coalcutter.In view of the above-mentioned problems, there is dealer to propose cutting means
Using the typical structure of Dual-motors Driving, for small-power low seam mining machinery, this structure can reduce single motor size, increase
Greater than coal channel, alleviate above-mentioned contradictory problems.But when encounter coal quality is hard, the special circumstances such as more than the dirt band of coal seam when, then need to match
Powerful cutting motor is set, to improve the reliability of coalcutter, such cutting motor is arranged in above two ledge of transporter
Arrangement, nevertheless suffers from the limitation of heavy-duty motor size, so not can solve the above problem.
In view of this, nowadays there is an urgent need to design a kind of novel high-power cantilever type cutting device of coal mining machine for thin coal seam, with
Just it effectively solves the above problems.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam is provided,
Cutting power can be increased to greatest extent and cross coal channel, coal cutting, the coal loading problem of girdle high-power coal cutter is solved, can have
The labor intensity of the reduction thin seam working surface worker of effect, improves the production efficiency of coalcutter.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, the cantilevered cutting means includes shell, tubular
Cooling device, the first shaft assembly, clutch, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th
Shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, roller；
First shaft assembly, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th shaft assembly
Between once connect, between adjacent shaft assembly pass through gear engaged transmission, transmit power；
It is suspended from coal wall side outside the cutting motor of the cantilevered cutting means, rather than is arranged on two ledge of transporter
Side guaranteed the smooth of coal channel, and final stage uses planetary reduction gear, and output revolving speed is slower, and output torque is big；
The power of the cutting motor is transmitted to the first shaft assembly by flexible shaft, and clutch is mounted on cutting motor head
Portion is completed with the cooperation of the first shaft assembly from, closing operation；Flexible shaft is the key element of clutch, secondly end is by gradually opening
Line spline is connected with cutting motor rotor and the first shaft assembly respectively；It is soft when the axis outer drawing under the action of handle and pull rod
Property axis spline and the first shaft assembly internal spline be detached from, terminate power transmitting；
Second shaft assembly is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axle sleeves
And flat key；Gear is supported on axle sleeve by two bearings, is positioned by mandrel, axle sleeve and casing step；Between mandrel and axle sleeve
It is positioned by flat key, prevents from mutually rotating；Third shaft assembly is transferred power to by the shaft assembly；
Third shaft assembly includes cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland；Shaft gear passes through
Self-aligning roller bearing supports on shell, and is coupled with gear wheel by splined shaft, and make axial restraint by bolt and gland；
Second shaft assembly imparts power to gear wheel, and the internal spline of gear wheel is engaged with splined shaft external splines, and power is passed from gear wheel
It is delivered on shaft gear；
4th shaft assembly be shaft gear, both ends by bearing support on shell, by mined out side one end by spline with
Gear wheel engagement, gear wheel are meshed with the shaft gear of third shaft assembly, transmit power；
5th shaft assembly is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axle sleeves
And flat key；Gear is supported on axle sleeve by two bearings, is positioned by mandrel, axle sleeve and casing step；Between mandrel and axle sleeve
It is positioned by flat key, prevents from mutually rotating；The 6th shaft assembly is transferred power to by the shaft assembly；
The effect of 6th shaft assembly is that the power of spur gear is passed to planetary reduction gear by spline；6th shaft gear is by two
Cylinder roller bearing is supported on bearing holder (housing, cover) and big end covers；
Planetary reduction gear is mainly filled by sun gear, planetary gear, ring gear, planet carrier, bearing support and flat floating seal
It sets, square coupling sleeve composition；The splined end of sun gear and the internal spline of the 6th shaft gear are connected, input torque；Work as sun gear
It when rotation, drives planetary gear along the rotation of this body axis, while driving planet carrier rotatable around its axis again；Planet carrier by spline and
Square coupling sleeve connection, is transmitted to roller for output torque；Planetary reduction gear is fixed by seam allowance, bolt, pin and shell；Row
Carrier shaft uses end face float grease seal, the elastic force that it is generated by O-ring compressive deformation, to compress two floating seals
Ring realizes the dynamic sealing of low-speed rotary shaft；Square coupling sleeve is coupled with planet carrier by spline, and is made by bolt and gland
Axial restraint；
Setting auxiliary coaling gear assists coaling gear that can rotate freely positioned at the rear of roller on the shell, will before
The coal at roller rear pushes front roll to, carries out repeating to coaling, improves loading effect；
The shell is equipped with internal spraying system, external spraying system；Internal spraying system includes inner atomizing inlet mouth, internal spraying
Water channel, internal spraying water supply device, inner spraying nozzle；External spraying system includes external spraying water inlet, cooling device, external spraying spray
Mouth；
Internal spraying water is entered by inner atomizing inlet mouth, the water covered by water channel above shell and the 6th shaft assembly big end
Road is finally sprayed by the nozzle of roller into inner sprayer unit, plays the role of spray for dust suppression；External spraying water by external spraying into
The mouth of a river enters, and by tubular cooling device, into shell upper and lower water channel, finally sprays, rises from the external spraying nozzle on shell
To the effect of cooling.
A kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, the cantilevered cutting means includes shell, tubular
Cooling device, the first shaft assembly, clutch, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th shaft assembly, the 6th
Shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, roller；
It is suspended from coal wall side outside the cutting motor of the cantilevered cutting means, rather than is arranged on two ledge of transporter
Side guaranteed the smooth of coal channel, and final stage uses planetary reduction gear, and output revolving speed is slower, and output torque is big；
The power of the cutting motor is transmitted to the first shaft assembly by flexible shaft, and clutch is mounted on cutting motor head
Portion is completed with the cooperation of the first shaft assembly from, closing operation；Flexible shaft is the key element of clutch, secondly end is by gradually opening
Line spline is connected with cutting motor rotor and the first shaft assembly respectively；It is soft when the axis outer drawing under the action of handle and pull rod
Property axis spline and the first shaft assembly internal spline be detached from, terminate power transmitting.
As a preferred solution of the present invention, the second shaft assembly is idler sheave assemblies, only plays transmission effect, including two circles
Column roller bearing, mandrel, gear, axle sleeve and flat key；Gear is supported on axle sleeve by two bearings, passes through mandrel, axle sleeve and shell
The positioning of object table rank；It is positioned between mandrel and axle sleeve by flat key, prevents from mutually rotating；Is transferred power to by the shaft assembly
Three shaft assemblies；
Third shaft assembly includes cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland；Shaft gear passes through
Self-aligning roller bearing supports on shell, and is coupled with gear wheel by splined shaft, and make axial restraint by bolt and gland；
Second shaft assembly imparts power to gear wheel, and the internal spline of gear wheel is engaged with splined shaft external splines, and power is passed from gear wheel
It is delivered on shaft gear；
4th shaft assembly be shaft gear, both ends by bearing support on shell, by mined out side one end by spline with
Gear wheel engagement, gear wheel are meshed with the shaft gear of third shaft assembly, transmit power；
5th shaft assembly is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axle sleeves
And flat key；Gear is supported on axle sleeve by two bearings, is positioned by mandrel, axle sleeve and casing step；Between mandrel and axle sleeve
It is positioned by flat key, prevents from mutually rotating；The 6th shaft assembly is transferred power to by the shaft assembly；
The effect of 6th shaft assembly is that the power of spur gear is passed to planetary reduction gear by spline；6th shaft gear is by two
Cylinder roller bearing is supported on bearing holder (housing, cover) and big end covers.
As a preferred solution of the present invention, planetary reduction gear mainly by sun gear, planetary gear, ring gear, planet carrier,
Bearing support 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 rotation, driving row
Star-wheel drives planet carrier rotatable around its axis along the rotation of this body axis, while again；Planet carrier passes through spline and square coupling sleeve
Connection, is transmitted to roller for output torque；Planetary reduction gear is fixed by seam allowance, bolt, pin and shell；Planet carrier shaft uses
End face float grease seal, the elastic force that it is generated by O-ring compressive deformation realize low speed rotation to compress two floating seal rings
The dynamic sealing of shaft；Square coupling sleeve is coupled with planet carrier by spline, and makees axial restraint by bolt and gland；
As a preferred solution of the present invention, setting auxiliary coaling gear on the shell, it is auxiliary positioned at the rear of roller
It helps coaling gear that can rotate freely, pushes the coal at front roll rear to front roll, carry out repeating to coaling, improve loading effect
Fruit.
As a preferred solution of the present invention, the shell is equipped with internal spraying system, external spraying system；Internal spraying system
System includes inner atomizing inlet mouth, internal spraying water channel, internal spraying water supply device, inner spraying nozzle；External spraying system includes external spraying
Water inlet, cooling device, external spraying nozzle；
Internal spraying water is entered by inner atomizing inlet mouth, the water covered by water channel above shell and the 6th shaft assembly big end
Road is finally sprayed by the nozzle of roller into inner sprayer unit, plays the role of spray for dust suppression；External spraying water by external spraying into
The mouth of a river enters, and by tubular cooling device, into shell upper and lower water channel, finally sprays, rises from the external spraying nozzle on shell
To the effect of cooling.
The beneficial effects of the present invention are: high-power cantilever type cutting device of coal mining machine for thin coal seam proposed by the present invention,
It is suspended from coal wall side outside high-power cutting motor, rather than is arranged in above two ledges of transporter, ensure that the suitable of coal channel
Freely, cutting power can be increased to greatest extent, final stage uses planetary reduction gear, and output revolving speed is slower, and output torque is big, and cantilever
It is provided with auxiliary coaling gear on formula cutting means, solves coal cutting, the coal loading problem of girdle high-power coal cutter, raising is adopted
The production efficiency of coal machine.The present invention is suitable for thin or thinner seam high-power coal cutter.
Detailed description of the invention
Fig. 1 is the main view of this high-power cantilever type cutting device of coal mining machine for thin coal seam.
Fig. 2 is the sectional view along A-A of Fig. 1.
Fig. 3 is the top view of this high-power cantilever type cutting device of coal mining machine for thin coal seam.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
It please refers to Fig.1 to Fig.3, present invention discloses a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, comprising:
Shell 1, inner atomizing inlet mouth 2, external spraying water inlet 3, tubular cooling device 4, the first shaft assembly 5, clutch 6, the second axis
Component 7, third shaft assembly 8, the 4th shaft assembly 9, the 5th shaft assembly 10, the 6th shaft assembly 11, planetary reduction gear 12, internal spraying supply
Water installations 13, cutting motor 14, auxiliary coaling gear 15, external spraying nozzle 16, roller 17, transporter 18.The first axle group
Part 5, third shaft assembly 8, the 4th shaft assembly 9, the 5th shaft assembly 10, once connects between the 6th shaft assembly 11 second shaft assembly 7
It connects, by gear engaged transmission between adjacent shaft assembly, transmits power.
Fig. 2, Fig. 3 are please referred to, coal wall side is suspended from outside high-power cutting motor 14, rather than is arranged in 18 liang of ledges of transporter
Top ensure that the smooth of coal channel, and final stage uses planetary reduction gear 12, and output revolving speed is slower, and output torque is big.Cutting
The power of motor 14 is transmitted to the first shaft assembly 5 by flexible shaft, and clutch pack 6 is mounted on 14 head of cutting motor, with
The cooperation of one shaft assembly 5 is completed from, closing operation.Flexible shaft is the key element of clutch 6, secondly end passes through involute spline
It is connected respectively with rotor and the first shaft assembly 5.When the axis outer drawing under the action of handle and pull rod, the spline of flexible shaft
It is detached from the internal spline of the first shaft assembly 5, terminates power transmitting.
Second shaft assembly 7 is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axis
Set and flat key；Gear is supported on axle sleeve by two bearings, is positioned by mandrel, axle sleeve and casing step；Mandrel and axle sleeve it
Between by flat key position, prevent from mutually rotating；Third shaft assembly 8 is transferred power to by the shaft assembly.
Third shaft assembly 8 is made of cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland etc..Shaft gear
By in bearing support to shell 1, and coupled with gear wheel by spline, and axial restraint is made by bolt and gland.Second
Shaft assembly 7 imparts power to gear wheel, and the internal spline of gear wheel is engaged with splined shaft external splines, and power is transmitted to from gear wheel
On shaft gear.
4th shaft assembly 9 be shaft gear, both ends by bearing support on shell, by mined out side one end by spline with
Gear wheel engagement, gear wheel are meshed with the shaft gear of third shaft assembly 8, transmit power.
5th shaft assembly 10 is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axis
Set and flat key；Gear is supported on axle sleeve by two bearings, is positioned by mandrel, axle sleeve and casing step；Mandrel and axle sleeve it
Between by flat key position, prevent from mutually rotating；The 6th shaft assembly 11 is transferred power to by the shaft assembly.
The effect of 6th shaft assembly 11 is that the power of spur gear is passed to planetary reduction gear 12 by spline.6th shaft gear 11
Bearing holder (housing, cover) is supported on by two cylinder roller bearings and big end covers.
Planetary reduction gear 12 is mainly by sun gear, planetary gear, ring gear, planet carrier, bearing support and flat floating seal
The compositions such as device, square coupling sleeve.The splined end of sun gear and the internal spline of six shaft gears are connected, input torque.Work as the sun
It when wheel rotation, drives planetary gear along the rotation of this body axis, while driving planet carrier rotatable around its axis again.Planet carrier passes through spline
Couple with square coupling sleeve, output torque is transmitted to roller 17.Planetary reduction gear 12 passes through seam allowance, bolt, pin and shell 1
It is fixed.Planet carrier shaft uses end face float grease seal, and the elastic force that it is generated by O-ring compressive deformation is floating to compress two
Rotary packing ring realizes the dynamic sealing of low-speed rotary shaft.Square coupling sleeve is coupled with planet carrier by spline, and by bolt and
Gland makees axial restraint.
Fig. 1, Fig. 2 are please referred to, auxiliary coaling gear 15 is provided on cutting means shell 1 can positioned at the rear of roller 17
To rotate freely, push the coal at front roll rear to front roll along the direction of the arrow, carries out repeating to coaling, can effectively improve rolling
Cylinder effect of loading coal.
Fig. 2, Fig. 3 are please referred to, inside and outside spraying system is provided on cutting means shell 1, internal spraying water is by inner atomizing inlet
Mouth 2 enters, by the water channel that water channel A above shell and 11 big end of the 6th shaft assembly are covered, into inner sprayer unit 13, finally
It is sprayed by the nozzle on roller 17, plays the role of spray for dust suppression.External spraying water is entered by external spraying water inlet 3, by tubular cold
But device 4 finally spray from the external spraying nozzle 16 on shell into shell upper and lower water channel B, play the role of cooling.
In conclusion high-power cantilever type cutting device of coal mining machine for thin coal seam proposed by the present invention, high-power cutting electricity
It is suspended from coal wall side outside machine, rather than is arranged in above two ledges of transporter, ensure that the smooth of coal channel, it can be to greatest extent
Increase cutting power, final stage use planetary reduction gear, output revolving speed it is slower, output torque is big, and on cantilevered cutting means
It is provided with auxiliary coaling gear, solves coal cutting, the coal loading problem of girdle high-power coal cutter, improves the production effect of coalcutter
Rate.The present invention is suitable for thin or thinner seam high-power coal cutter.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, the realities for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (3)
1. a kind of high-power cantilever type cutting device of coal mining machine for thin coal seam, which is characterized in that the cantilevered cutting means includes
Shell, tubular cooling device, the first shaft assembly, clutch, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th axis
Component, the 6th shaft assembly, planetary reduction gear, cutting motor, auxiliary coaling gear, roller；
It is suspended from coal wall side outside the cutting motor of the cantilevered cutting means, rather than is arranged above two ledge of transporter, and
Final stage uses planetary reduction gear；
Planetary reduction gear includes sun gear, planetary gear, ring gear, planet carrier, bearing support and plane floating seal, pros
Shape coupling sleeve；
The power of the cutting motor is transmitted to the first shaft assembly by flexible shaft, and clutch is mounted on cutting motor head,
It completes with the cooperation of the first shaft assembly from, closing operation；Flexible shaft is the key element of clutch, secondly end passes through involute flower
Key is connected with cutting motor rotor and the first shaft assembly respectively；When the axis outer drawing under the action of handle and pull rod, flexible shaft
Spline and the first shaft assembly internal spline be detached from, terminate power transmitting；
First shaft assembly, the second shaft assembly, third shaft assembly, the 4th shaft assembly, the 5th shaft assembly, between the 6th shaft assembly
It is sequentially connected, by gear engaged transmission between adjacent shaft assembly, transmits power；
Second shaft assembly is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axle sleeve peace
Key；Gear is supported on axle sleeve by two cylinder roller bearings, is positioned by mandrel, axle sleeve and casing step；Mandrel and axle sleeve
Between by flat key position, prevent from mutually rotating；Third shaft assembly is transferred power to by the shaft assembly；
Third shaft assembly includes cylinder, self-aligning roller bearing, gear wheel, splined shaft, shaft gear, gland；Shaft gear passes through aligning
On roller bearing supports to shell, and coupled with gear wheel by splined shaft, and axial restraint is made by bolt and gland；Second
Shaft assembly imparts power to gear wheel, and the internal spline of gear wheel is engaged with splined shaft external splines, and power is transmitted to from gear wheel
On shaft gear；
4th shaft assembly is shaft gear, and through bearing support on shell, one end by mined out side passes through spline and canine tooth at both ends
Wheel engagement, gear wheel are meshed with the shaft gear of third shaft assembly, transmit power；
5th shaft assembly is idler sheave assemblies, only plays transmission effect, including two cylinder roller bearings, mandrel, gear, axle sleeve peace
Key；Gear is supported on axle sleeve by two cylinder roller bearings, is positioned by mandrel, axle sleeve and casing step；Mandrel and axle sleeve
Between by flat key position, prevent from mutually rotating；The 6th shaft assembly is transferred power to by the shaft assembly；
The effect of 6th shaft assembly is that the power of spur gear is passed to planetary reduction gear by spline；6th shaft gear is by two cylinders
Roller bearing is supported on bearing holder (housing, cover) and big end covers.
2. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 1, it is characterised in that:
Setting auxiliary coaling gear assists coaling gear that can rotate freely, by front roll positioned at the rear of roller on the shell
The coal at rear pushes front roll to, carries out repeating to coaling, improves loading effect.
3. high-power cantilever type cutting device of coal mining machine for thin coal seam according to claim 1, it is characterised in that:
The shell is equipped with internal spraying system, external spraying system；Internal spraying system includes inner atomizing inlet mouth, internal spraying water
Road, internal spraying water supply device, inner spraying nozzle；External spraying system includes external spraying water inlet, cooling device, external spraying nozzle；
Internal spraying water is entered by inner atomizing inlet mouth, the internal spraying water covered by water channel above shell and the 6th shaft assembly big end
Road is finally sprayed by inner spraying nozzle into internal spraying water supply device, plays the role of spray for dust suppression；External spraying water is by outer spray
Mist water inlet enters, by tubular cooling device, into shell upper and lower water channel, finally from the external spraying nozzle spray on shell
Out, play the role of cooling.
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| CN201410392308.5A CN104153773B (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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| CN201410392308.5A CN104153773B (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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| CN104153773B true CN104153773B (en) | 2019-05-24 |
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| CN202690897U (en) * | 2012-05-18 | 2013-01-23 | 三一重型装备有限公司 | Planetary reducer of cutting unit and coal mining machine |
| CN102797798A (en) * | 2012-08-18 | 2012-11-28 | 江苏中机矿山设备有限公司 | Planetary mechanism of drum coal shearer |
| CN204200221U (en) * | 2014-08-11 | 2015-03-11 | 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 |
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| CN104153773A (en) | 2014-11-19 |
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