CN201771494U - Large-slope continuous miner - Google Patents
Large-slope continuous miner Download PDFInfo
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- CN201771494U CN201771494U CN2010202838877U CN201020283887U CN201771494U CN 201771494 U CN201771494 U CN 201771494U CN 2010202838877 U CN2010202838877 U CN 2010202838877U CN 201020283887 U CN201020283887 U CN 201020283887U CN 201771494 U CN201771494 U CN 201771494U
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- continuous miner
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- coal
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Abstract
The utility model relates to the field of coal mining device, in particular to a large-slope continuous miner for a coal mine, which is a comprehensive tunneling and coal mining device integrating multiple functions of cutting, travelling, shipping and spray dust suppression and mainly used for rapid tunneling of a coal mining preparatory roadway, room and pillar mining, marginal coal recycling and triple pressed coal mining. A travelling portion adopts a high-power hydraulic motor; a rear supporting portion includes rear supporting structures of an inner rear supporting portion and an outer rear supporting portion; the inner rear supporting portion is positioned on the inner side of the outer rear supporting portion; and a top supporting portion as a top supporting structure is additionally arranged on a body portion. The large-slope continuous miner can solve the problem that an existing common continuous miner is unsuitable for rapid tunneling of a large-inclination coal bed, room and pillar mining and marginal coal recycling. The continuous miner can be used in a large-inclination coal mine, and greatly improves the working efficiency of the working condition and the recovery rate of a work surface.
Description
Affiliated technical field
The utility model relates to the coal excavation apparatus field, be specially the heavy grade continuous miner of using in a kind of colliery, it is a kind of cutting, walking, shipment, spraying firing dust multi-functional of integrating, and comprehensive driving, coal excavation apparatus that corner coal, three presses down coal mining are mined, reclaimed to the speedy drivage and the house column type that are mainly used in the coal mining preparatory working.
Background technology
China is that world's coal resources are contained one of the abundantest country, along with constantly carrying out of Coal Production, the coal reserves that adapts to broadwall is in continuous minimizing, coal seams such as remaining a large amount of shortwalls, corner, and the continuous miner corollary equipment is to solve the short-walling in colliery and the good technological approaches that the corner coal reclaims problem, has a wide range of applications in China.And that the development of relevant continuous miner is carried out at home is later, the application of China's continuous miner is extensive not enough, now the common continuous miner of Ying Yonging mainly is applicable to medium-thickness seam, and the climb and fall maximum can reach ± 16 degree, and greater than the coal seam of this gradient, the mode that can only adopt big gun to adopt, this mode has increased the danger in colliery, the efficient of mining simultaneously also reduces greatly, and China forbids at building, bridge, the mode that underground coal seam such as cities and towns adopts big gun to adopt, so in this case, can only shorten the exploitation length in colliery, make a lot of collieries therefore shorten productive life, entered declining period and date of retirement in advance, these coal resources to China are undoubtedly a kind of huge waste.
The utility model content
The purpose of this utility model is to provide a kind of large-inclination-angle coal bed heavy grade continuous miner that is used for, can in bigger coal seam, inclination angle (25 °～20 °), use, the mode that alternative large-inclination-angle coal bed big gun is adopted, both increased the safety of this type of operating mode, improve coal mining efficient and coal recovery rate again, solved the problem that existing common continuous miner is not suitable for large-inclination-angle coal bed speedy drivage, house column type coal mining, reclaims the corner coal.
The technical scheme of heavy grade continuous miner of the present utility model is:
A kind of heavy grade continuous miner has cutting units, shovel board portion, body, transporter, running part and back support, and running part adopts the large-power hydraulic motor, and the discharge capacity of hydraulic motor is 160ml/r, and driving force reaches 320KN; Back support is interior rear flank support and outer rear flank support two cover back supporting constructions, and interior rear flank support is positioned at the inboard of outer rear flank support; On body, set up the top support as the top braced structures.
Described heavy grade continuous miner, interior rear flank support and outer rear flank support are oil cylinder and supporting leg connects and composes, interior rear flank support and outer rear flank support all are symmetrical arranged along the continuous miner center line, one cover back supporting oil cylinder stretches out when propping up ground backward, another set of back support cylinder retraction lifts the back support, and two cover back supports alternately support.
Described heavy grade continuous miner, the 0 °＜α of angle of the supporting leg thrust direction of outer rear flank support and continuous miner center line＜90 °.
Described heavy grade continuous miner, top support are that oil cylinder and supporting structure connect and compose, and are supported on the top of coal mine work area by the stretching handle top supporting structure of oil cylinder.
Described heavy grade continuous miner, the skid track plate of running part adopt high tooth to forge the skid track plated construction, and the anti-slop serrations rising height is 25-35mm, and anti-slop serrations partly puts in ground.
The type shape of the end that described heavy grade continuous miner, anti-slop serrations contact with ground becomes V-type, and the both sides of V-type become the obtuse angle with ground.
Described heavy grade continuous miner is provided with the winch draw-gear in the both sides, rear portion of body.
Described heavy grade continuous miner, winch draw-gear are the syndeton of winch traction, and an end of winch draw-gear connects body by pull rope, and the other end of winch draw-gear is provided with winch, and winch is arranged at ground.
The beneficial effects of the utility model are:
1, heavy grade continuous miner of the present utility model can be used on the exploitation that speedy drivage and house column type are mined, recovery corner coal, three presses down coal of large-inclination-angle coal bed coal mining preparatory working, the mode of having avoided this type of operating mode big gun to adopt, greatly reduce the danger of work plane, improved this type of operating mode production efficiency, improved the rate of extraction of work plane, reduced the waste of coal resources.
2, the complete machine weight of now domestic common continuous miner is approximately 60 tons, and one-sided driving force is 150KN, when in the bigger gradient work, because self gravitation can produce downslide.The heavy grade continuous miner that the utility model provides solves the problem that existing common continuous miner is not suitable for large-inclination-angle coal bed speedy drivage, house column type coal mining, reclaims the corner coal, and this machine can use in large-inclination-angle coal bed (25 °～20 °).
3, the utility model heavy grade continuous miner adopts powerful motor to drive walking, increases the driving force of walking; The one-sided driving force maximum that reaches can reach 320KN, has improved the driving force of walking greatly, for providing enough power in the work of the coal seam of heavy grade.
4, the utility model heavy grade continuous miner adopts two cover back braced structuress, rear flank support and outer rear flank support in being respectively, control by hydraulic valve, when supporting oil cylinder stretches out backward and props up ground after one overlaps, another set of back support cylinder retraction lifts the back supporting, supporting is alternately supported after realizing two covers, all the time giving equipment thrust forward, play booster action, two supporting legs of outer rear flank supporting become inside angle with body, the thrust direction that is supporting leg becomes inside angle with equipment, the support transverse component of generation can make body keep laterally steadily, can not produce and break away or torsion phenomenon.
5, the utility model heavy grade continuous miner increases the top braced structures on body, by telescopic oil cylinder, braced structures withstand on working face of coal seam above, increased the stability of equipment, preventing from that deadweight produces under the big situation of the gradient to glide.
6, the creeper tread of the utility model heavy grade continuous miner running part adopts reinforced high tooth to forge the skid track plated construction.The obtuse-angulate V-type of the high tooth in rear end, high toothed portion puts in ground, increases frictional force, and earth-grasping force also increases greatly, and the high tooth of V-type part produces the frictional force of side direction, can stop body to produce the sideslip phenomenon.
7, the utility model heavy grade continuous miner rear body is provided with the syndeton by the winch traction, can slowly carry at the both sides pulling apparatus when descending, prevents that body from gliding, and when upwards moveing backward, also can use the winch haulage gear, upwards pulling equipment.
Description of drawings
Fig. 1 is heavy grade continuous miner master TV structure figure of the present utility model;
Fig. 2 is heavy grade continuous miner plan structure figure of the present utility model;
Fig. 3 is a heavy grade continuous miner of the present utility model schematic diagram when going up a slope;
Traction schematic diagram when Fig. 4 is a heavy grade continuous miner descending of the present utility model;
Fig. 5-1, Fig. 5 the-the 2nd, the heavy grade continuous miner skid track of the present utility model composition that hardens; Wherein, Fig. 5-the 1st, front view; Fig. 5-the 2nd, lateral view.
Among the figure, 1. cutting units; 2. shovel board portion; 3. body; 4. top support; 5. interior rear flank support; 6. outer rear flank support; 7. transporter; 8. running part; 9. skid track plate; 10. winch draw-gear; 11. anti-slop serrations; 12. ground.
The specific embodiment
The common continuous miner of domestic use, mainly form by parts cutting units 1, shovel board portion 2, body 3, transporter 7, running part 8 and back support critical pieces such as (interior rear flank support 5, outer rear flank supports 6), body 3 is arranged on the running part 8, the front portion of body 3 is provided with cutting units 1 and shovel board portion 2, and cutting units 1 is positioned at the top of shovel board portion 2; The rear portion of body 3 is provided with transporter 7 and back support, and transporter 7 is positioned at the top of back support.Shown in Fig. 1-4, the improved content of heavy grade continuous miner of the present utility model mainly comprises:
(1) running part 8, adopt the large-power hydraulic motor, and the discharge capacity of hydraulic motor is 160ml/r (milliliter/commentaries on classics), and the driving force maximum can reach 320KN, is that the twice of common continuous miner is many, has improved the climbing power of equipment greatly; The computational process of driving force is as follows:
Running part motor driving force is calculated:
Driving torque
In the formula: Vg-discharge capacity (ml/r); Δ P-pressure differential (bar); η mh-mechanical-hydraulic efficient;
Substitution numerical value
T=1.59*160*220*0.95/100=531.6Nm (one-sided motor);
The driving torque of walking reducer calculates:
Tmax＝T×ηl×i
In the formula: Tmax-running motor output torque;
η l-reducer transmission efficiency gets 0.92;
I-reductor speed ratio 164;
With each parameter substitution following formula:
Tmax=T * η l * i=531.6 * 0.92 * 164=80208Nm (one-sided)
Driving force is calculated:
F＝Tmax/D0；
D0-driving wheel pitch radius 250mm;
With each parameter substitution following formula:
F=80208/0.25=321120N=321.12KN (one-sided).
(2) supporting construction behind rear flank support 5 and 6 liang of covers of outer rear flank support in the back support of common continuous miner is improved to, interior rear flank support 5 is positioned at the inboard of outer rear flank support 6, and interior rear flank support 5 and outer rear flank support 6 are oil cylinder and supporting leg connects and composes.By hydraulic valve control oil cylinder, when supporting oil cylinder stretches out backward and props up ground after one overlaps, support after another set of back support cylinder bounces back and lifts, realize that two cover back supports alternately support, as people's two legs walking, giving equipment thrust forward, play booster action during upward slope all the time.Simultaneously, two supporting legs of outer rear flank support 6 become inside angle with body, be the thrust direction of supporting leg and the 0 °＜α of angle of continuous miner center line＜90 °, the support transverse component of generation can make body keep laterally steadily, can not produce and break away or torsion phenomenon; In the utility model, interior rear flank support 5 and outer rear flank support 6 all are symmetrical arranged (Fig. 1, Fig. 2) along the continuous miner center line.
(3) the top support 4, set up top support 4 as the top braced structures on body 3, and top support 4 connects and composes for oil cylinder and supporting structure.Go up a slope or during work at continuous miner, be supported on the top of coal mine work area, play the stabilizing equipment effect, can not make equipment produce glide (Fig. 1, Fig. 3) because of the gravity of equipment self by the stretching handle top supporting structure of oil cylinder;
(4) the skid track plate 9 of running part 8 adopts reinforced high tooth to forge the skid track plated construction, the height of the anti-slop serrations 11 of projection (high tooth) increases greatly, anti-slop serrations 11 rising heights are 30mm, be directed downwards, contact with ground, anti-slop serrations 11 puts in ground 12, increase frictional force, earth-grasping force also increases greatly, the obtuse-angulate V-type in anti-slop serrations rear end, promptly the rear end anti-slop serrations becomes V-type with the type shape on ground, the 12 one-tenth obtuse angles in the both sides of V-type and ground, can produce the frictional force of side direction, can stop body to produce sideslip phenomenon (Fig. 5-1 and Fig. 5-2).
(5) the winch draw-gear 10, both sides, rear portion at body 3 are provided with winch draw-gear 10, winch draw-gear 10 is the syndeton of winch traction, one end of winch draw-gear 10 connects body 3 by pull rope, the other end of winch draw-gear 10 is provided with winch, and winch is arranged at ground (Fig. 4).Utilize the traction of winch draw-gear 10 can be when descending pulling apparatus, slowly carry, prevent that body from gliding, when upwards moveing backward, also can use the winch haulage gear, pulling equipment makes progress.
The utility model continuous miner can use in the colliery of high inclination-angle, has improved the operating efficiency of this type of operating mode and the rate of extraction of work plane greatly.This continuous miner adopts the dynamical system of large-power hydraulic motor as walking.During upward slope, use two cover back braced structuress simultaneously, rear flank support and outer rear flank support in being respectively, oil cylinder by hydraulic valve control supporting leg, can realize two alternately supporting roles of cover back support, remaining thrust forward, reach the picture people thrust effect of two legs on foot, two supporting legs of outer rear flank supporting become inside angle with body, the support transverse component that produces can make body keep laterally steadily, is provided with the top braced structures simultaneously, can make equipment that good stable is arranged, the skid track plated construction of reinforced high tooth, earth-grasping force is stronger.During descending, can adopt winch to solve the problem of heavy grade descending and reversing difficulty, can satisfy the instructions for use in the colliery of heavy grade, can solve large-inclination-angle coal bed tunnelling, residually in a large number adopt, corner coal, three presses down the problem that coal can't be exploited.
Claims (8)
1. a heavy grade continuous miner has cutting units, shovel board portion, body, transporter, running part and back support, and it is characterized in that: running part adopts the large-power hydraulic motor, and the discharge capacity of hydraulic motor is 160ml/r, and driving force reaches 320KN; Back support is interior rear flank support and outer rear flank support two cover back supporting constructions, and interior rear flank support is positioned at the inboard of outer rear flank support; On body, set up the top support as the top braced structures.
2. according to the described heavy grade continuous miner of claim 1, it is characterized in that: interior rear flank support and outer rear flank support are oil cylinder and supporting leg connects and composes, interior rear flank support and outer rear flank support all are symmetrical arranged along the continuous miner center line, one cover back supporting oil cylinder stretches out when propping up ground backward, another set of back support cylinder retraction lifts the back support, and two cover back supports alternately support.
3. according to the described heavy grade continuous miner of claim 2, it is characterized in that: the 0 °＜α of angle of the supporting leg thrust direction of outer rear flank support and continuous miner center line＜90 °.
4. according to the described heavy grade continuous miner of claim 1, it is characterized in that: the top support is that oil cylinder and supporting structure connect and compose, and is supported on the top of coal mine work area by the stretching handle top supporting structure of oil cylinder.
5. according to the described heavy grade continuous miner of claim 1, it is characterized in that: the skid track plate of running part adopts high tooth to forge the skid track plated construction, and the anti-slop serrations rising height is 25-35mm, and anti-slop serrations partly puts in ground.
6. according to the described heavy grade continuous miner of claim 5, it is characterized in that: the type shape of the end that anti-slop serrations contacts with ground becomes V-type, and the both sides of V-type become the obtuse angle with ground.
7. according to the described heavy grade continuous miner of claim 1, it is characterized in that: the both sides, rear portion at body are provided with the winch draw-gear.
8. according to the described heavy grade continuous miner of claim 7, it is characterized in that: the winch draw-gear is the syndeton of winch traction, one end of winch draw-gear connects body by pull rope, and the other end of winch draw-gear is provided with winch, and winch is arranged at ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202838877U CN201771494U (en) | 2010-08-06 | 2010-08-06 | Large-slope continuous miner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202838877U CN201771494U (en) | 2010-08-06 | 2010-08-06 | Large-slope continuous miner |
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| Publication Number | Publication Date |
|---|---|
| CN201771494U true CN201771494U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202838877U Expired - Fee Related CN201771494U (en) | 2010-08-06 | 2010-08-06 | Large-slope continuous miner |
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| Country | Link |
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| CN (1) | CN201771494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345457A (en) * | 2010-08-06 | 2012-02-08 | 三一重型装备有限公司 | Large-gradient continuous coal mining machine |
| CN105134237A (en) * | 2015-08-12 | 2015-12-09 | 兖州煤业股份有限公司 | Tunneling machine |
-
2010
- 2010-08-06 CN CN2010202838877U patent/CN201771494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345457A (en) * | 2010-08-06 | 2012-02-08 | 三一重型装备有限公司 | Large-gradient continuous coal mining machine |
| CN105134237A (en) * | 2015-08-12 | 2015-12-09 | 兖州煤业股份有限公司 | Tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20130806 |