CN102011586A - Integrated coal mining facility and coal mining machine thereof - Google Patents
Integrated coal mining facility and coal mining machine thereof Download PDFInfo
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- CN102011586A CN102011586A CN 201010606229 CN201010606229A CN102011586A CN 102011586 A CN102011586 A CN 102011586A CN 201010606229 CN201010606229 CN 201010606229 CN 201010606229 A CN201010606229 A CN 201010606229A CN 102011586 A CN102011586 A CN 102011586A
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- winning machine
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- coal mining
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Abstract
The invention discloses a coal mining machine which comprises at least three driving parts (26) and a traveling box, wherein the driving parts (26) are connected with the traveling box; and the pin gear of each driving part (26) is engaged with the pin rail of a scraper conveyor. The traction force distribution of the coal mining machine is reasonable. On the premise of satisfying the demands of the coal mining machine for large traction force, the working pressure between the pin gear of the coal mining machine and the pin rail of the scraper conveyor is reduced, and the stability of the coal mining machine is enhanced. The invention also discloses an integrated coal mining facility comprising the coal mining machine.
Description
Technical field
The present invention relates to the coal excavation apparatus technical field, particularly a kind of coal-winning machine.In addition, the invention still further relates to a kind of performing comprehensive coal mining equipment that comprises above-mentioned coal-winning machine.
Background technology
China is the main producing coal country in the world, and the colliery sum surpasses other All Countries colliery number sums of the whole world, and at present, comprehensive mechanical coal mining becomes the main method that the coal seam is exploited.
Comprehensive mechanical coal mining is meant the whole manufacturing processes of coal-face, comprises brokenly coal, coalings, transports coal, supporting, the goaf is handled and full mechanizations such as stope drift active workings transportation, driving.The fully-mechanized mining working a complete set of equipment mainly comprises: coal-winning machine, drag conveyor and hydraulic support.Coal-winning machine is the broken coal equipment of comprehensive mechanical coal mining, and it is that mechanical, the electric and hydraulic pressure of collection is the large-scale complicated system of one, also is the nucleus equipment of fully-mechanized mining working simultaneously, mainly realizes breaking coal by walking about on the drag conveyor; Drag conveyor is meant with scraper chain traction, transports the conveying machinery of bulk cargo such as coal in groove; Hydraulic support is the support apparatus of comprehensive mechanical coal mining, is used for supporting stope top board, safeguards the working space of equipment such as coal-winning machine and drag conveyor, and fells and transports equipment in company with work plane and move forward.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation that typically places the coal-winning machine on the drag conveyor in the prior art.
As shown in FIG., coal-winning machine comprises cylinder 11, cutting units 12, tractive unit 13 and electric control box 14, and wherein, tractive unit 13 comprises the support piston shoes 15 that are positioned at the rib side and be positioned at the drive division 16 of old man's side, and supports piston shoes 15 and drive division 16 all is two.The mode of traction of coal-winning machine is to adopt the pin rail of drive division 16 to take turns the chainless haulage mode that is meshed with transporter pin rail, and left and right haulage gear by two Motor Drive, by the traction reduction gearing mechanism, makes coal-winning machine walk along the work plane conveyer respectively.The left and right rocking arm of coal-winning machine is hinged on the fuselage two ends with bearing pin, and it is fixing with it by adjust high cylinder, the pivot angle that changes rocking arm by stretching of adjust high cylinder adapts to different coal thickness, when the operation coal-winning machine when work plane is walked, by the helix drum on the rocking arm, finish coal breakage and coaling operation.
The work under bad environment of coal-winning machine, down-hole get the ature of coal circumstance complication, and walking often damages about having caused, and has influenced the job stability of coal-winning machine; On the other hand, along with the increase of coal-winning machine structure in recent years, needed tractive force also constantly increases, and driven wheel of the prior art and pin rail are all bearing bigger active force, have further reduced the stability of coal-winning machine.
Therefore, how reasonably to distribute the tractive force of coal-winning machine, satisfy the needs of coal-winning machine, improve the stability of coal-winning machine simultaneously, just become the present technical issues that need to address of those skilled in the art large traction.
Summary of the invention
The purpose of this invention is to provide a kind of coal-winning machine, the tractive force of this coal-winning machine distributes rationally, satisfying on the basis of coal-winning machine to the demand of large traction, reducing the operating pressure between the pin rail of the pin rail wheel of coal-winning machine and drag conveyor, improving the stability of coal-winning machine simultaneously.Another object of the present invention provides a kind of performing comprehensive coal mining equipment that comprises above-mentioned coal-winning machine.
For solving the problems of the technologies described above, the invention provides a kind of coal-winning machine, comprise drive division and walking case, described drive division is connected in described walking case, and the pin rail wheel of described drive division is meshed with the pin rail of drag conveyor, and the number of described drive division is at least three.
Preferably, the number of described drive division is three, and all is arranged at a side relative with the cylinder of described coal-winning machine, and the three evenly is provided with along described coal-winning machine fuselage.
Preferably, the number of described drive division is three, and a side relative with described coal mining machine roller is provided with two, and opposite side is provided with one, and the three evenly is provided with along described coal-winning machine fuselage.
Preferably, the number of described drive division is four, and all is arranged at a side relative with the cylinder of described coal-winning machine.
Preferably, the number of described drive division is four, and is symmetricly set in the both sides of described coal-winning machine.
Preferably, also comprise speed detector and control device, described speed detector detects the movement velocity of each described pin rail wheel, and the rate signal that obtains is transferred to described control device; Described control device receives described rate signal, and described rate signal and predetermined movement velocity compared, when described rate signal is higher than or be lower than described predetermined movement velocity, described control device sends instruction to the drive motors of each described pin rail wheel, and described drive motors is adjusted driving condition according to described instruction.
Preferably, described speed detector is a velocity sensor.
Preferably, the number of described velocity sensor is identical with the number of described drive division.
For solving the problems of the technologies described above, the present invention also provides a kind of performing comprehensive coal mining equipment, comprises coal-winning machine and the drag conveyor that is mated, and described coal-winning machine is above-mentioned each described coal-winning machine.
Coal-winning machine provided by the present invention comprises drive division and walking case, and drive division is connected in the walking case, and the pin rail wheel of drive division is meshed with the pin rail of the drag conveyor that is positioned over the coal-winning machine below, and wherein the number of drive division is at least three.Like this, in the course of work, the driven by motor of each drive division is sold the rotation of rail wheel accordingly, because the pin rail of pin rail wheel and drag conveyor is meshing with each other, thereby rotatablely moving of pin rail wheel can be converted into the rectilinear motion of coal-winning machine, realize the left and right traction of coal-winning machine; Because the number of drive division be at least three, so each drive division only need provide less tractive force just can satisfy traction requirements, the side-to-side movement of realization coal-winning machine.As can be seen, coal-winning machine provided by the present invention is by at least three drive division haulage shearers, realized the reasonable distribution of shearer haulage power, reduce the operating pressure of coal-winning machine pin rail wheel and drag conveyor pin rail, the needs of coal-winning machine have been satisfied to large traction, simultaneously, increasing of drive point (being drive division) number can be under the constant situation of the gross tractive effort of required output, reduce the active force of the required output of each drive point, reduced the active force between pin rail wheel and the pin rail, thereby improved the equipment reliability of operation, and increasing of drive division number, also can improve the equipment reliability of operation, make coal-winning machine more can adapt to abominable industrial and mineral condition, increase the stability of coal-winning machine.
In a kind of preferred implementation, coal-winning machine provided by the present invention also comprises speed detector and control device, and wherein, speed detector detects the movement velocity of respectively selling the rail wheel, and the rate signal that obtains is transferred to control device; Control device inbound pacing signal, and rate signal and predetermined movement velocity compared, when rate signal was higher than or be lower than predetermined movement velocity, control device sent instruction to the drive motors of each pin rail wheel, and drive motors is adjusted driving condition according to instruction.Like this, in the course of work, speed detector can detect the movement velocity of respectively selling the rail wheel constantly, control device can respectively be sold the movement velocity of rail wheel on the pin rail according to detection signal control, the pin rail wheel that has guaranteed the drive division of coal-winning machine moves on the pin rail with identical speed, has avoided coal-winning machine to bear extra active force.
The beneficial effect of performing comprehensive coal mining equipment provided by the present invention and the beneficial effect of coal-winning machine are similar, do not repeat them here.
Description of drawings
Fig. 1 is a kind of structural representation that typically places the coal-winning machine on the drag conveyor in the prior art;
The structural representation that places the coal-winning machine on the drag conveyor that Fig. 2 is provided for a kind of specific embodiment of the present invention;
Fig. 3 is second kind of structural representation that places the coal-winning machine on the drag conveyor that the specific embodiment provided of the present invention;
The structural representation that places the coal-winning machine on the drag conveyor that Fig. 4 is provided for the third specific embodiment of the present invention;
Fig. 5 is the schematic top plan view of coal-winning machine shown in Figure 4;
Fig. 6 is the 4th kind of structural representation that places the coal-winning machine on the drag conveyor that the specific embodiment provided of the present invention;
Fig. 7 is the schematic top plan view of coal-winning machine shown in Figure 6.
The specific embodiment
Core of the present invention provides a kind of coal-winning machine, the tractive force of this coal-winning machine distributes rationally, satisfying on the basis of coal-winning machine to the demand of large traction, reducing the operating pressure between the pin rail of the pin rail wheel of coal-winning machine and drag conveyor, improving the stability of coal-winning machine simultaneously.Another core of the present invention provides a kind of performing comprehensive coal mining equipment that comprises above-mentioned coal-winning machine.
In order to make those skilled in the art understand the solution of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, the structural representation that places the coal-winning machine on the drag conveyor that Fig. 2 is provided for a kind of specific embodiment of the present invention.
In a kind of specific embodiment, coal-winning machine provided by the present invention, comprise cylinder 21 (comprising roll left tube and right cylinder), cutting units 22 (comprising left cutting units and right cutting units), tractive unit 23, electric control box 24, support piston shoes 25 and drive division 26, above-mentioned each device all is installed on fuselage, wherein support piston shoes 25 and drive division 26 all is connected in tractive unit, support the ramp plate that piston shoes 25 are supported in drag conveyor 27, the pin rail wheel of drive division 26 is meshed with the pin rail of drag conveyor 27, and the number of drive division 26 is at least three.
Particularly, the number of drive division 26 as herein described is meant three or more drive divisions 26 can be set in same coal-winning machine at least three, improving whole tractive force, and reasonably arrange drive division 26, improve the reasonability that tractive force distributes according to the concrete structure of coal-winning machine.
Certainly, as shown in Figure 2, the number of drive division 26 can be three, because the drive division 26 of coal-winning machine of the prior art all is arranged at and is oppositely arranged with cylinder 21 so mostly only in a side of drag conveyor 27 the pin rail is set, therefore, in order to reduce the structural change amount, above-mentioned three drive divisions 26 can all be arranged at a side relative with the cylinder 21 of coal-winning machine, simultaneously, in order to be provided with conveniently, the three evenly can be provided with along fuselage.
Please refer to Fig. 3, Fig. 3 is second kind of structural representation that places the coal-winning machine on the drag conveyor that the specific embodiment provided of the present invention.
In the another kind of specific embodiment, as shown in Figure 3, three drive divisions 26 also can be separately positioned on the both sides of coal-winning machine, such as: a side relative with coal mining machine roller 21 is provided with two, and opposite side is provided with one; Perhaps relative with coal mining machine roller 21 side is provided with one, opposite side is provided with two, like this, just need the pin rail all be set in the both sides of drag conveyor 27, simultaneously in order to prevent to support piston shoes 25 and drive division 26 generations interference mutually, the width of drag conveyor 27 is widened a little, and when support piston shoes 25 and drive division 26 are set, guaranteed that the two is not in same vertical plane.
Certainly, traction about the both sides that drive division 26 is arranged at coal-winning machine respectively can be carried out coal-winning machine from the two ends of coal-winning machine further improves the stability that drives.
Please refer to Fig. 4 and Fig. 5, the structural representation that places the coal-winning machine on the drag conveyor that Fig. 4 is provided for the third specific embodiment of the present invention; Fig. 5 is the schematic top plan view of coal-winning machine shown in Figure 4.
Especially, the number of the drive division 26 of coal-winning machine also can be four, similarly, in order to reduce the structural change amount of coal-winning machine and drag conveyor 27, above-mentioned four drive divisions 26 all can be arranged at a side relative with the cylinder 21 of coal-winning machine.
Please refer to Fig. 6 and Fig. 7, Fig. 6 is the 4th kind of structural representation that places the coal-winning machine on the drag conveyor that the specific embodiment provided of the present invention; Fig. 7 is the schematic top plan view of coal-winning machine shown in Figure 6.
In the another kind of specific embodiment, as shown in FIG., four drive divisions 26 also can be symmetricly set in the both sides of coal-winning machine, so that traction about from the two ends of coal-winning machine coal-winning machine being carried out further improves the stability that drives.
Certainly, be provided with for convenience, and under the also more situation of the number of drive division 26, can cancel and support piston shoes 25, direct effect by drive division 26 its supports simultaneously and driving, thus can arrange each drive division 26 position on bracing frame easily.
Like this, in the course of work, the driven by motor of each drive division 26 is sold the rotation of rail wheel accordingly, because the pin rail of pin rail wheel and drag conveyor 27 is meshing with each other, thereby rotatablely moving of pin rail wheel can be converted into the rectilinear motion of coal-winning machine, realize the left and right traction of coal-winning machine; Because the number of drive division 26 be at least three, so 26 needs of each drive division provide less tractive force just can satisfy traction requirements, the side-to-side movement of realization coal-winning machine.
As can be seen, coal-winning machine provided by the present invention is by at least three drive division 26 haulage shearers, realized the reasonable distribution of shearer haulage power, reduce the pressure between coal-winning machine pin rail wheel and the drag conveyor pin rail, the needs of coal-winning machine have been satisfied to large traction, simultaneously, increasing of drive point (being drive division 26) number can be under the constant situation of the gross tractive effort of required output, reduce the active force of the required output of each drive point, reduced the active force between pin rail wheel and the pin rail, thereby improved the equipment reliability of operation, and, only be increasing of drive division number, also can improve the equipment reliability of operation, make coal-winning machine more can adapt to abominable industrial and mineral condition, increased the stability of coal-winning machine.
Yet, though increasing of drive division 26 numbers can improve whole driving force, and the reasonability of the distribution of raising driving force, but, if the movement velocity difference of the pin rail of each drive division 26 wheel on the pin rail, then can increase the active force that coal-winning machine bears, reduce the application life of coal-winning machine, also can influence the operate as normal of coal-winning machine when serious, for avoiding the generation of above-mentioned situation, in a kind of specific embodiment, coal-winning machine provided by the present invention also is provided with speed detector and control device, wherein, speed detector detects the movement velocity of respectively selling the rail wheel, and the rate signal that obtains is transferred to control device; Control device inbound pacing signal, and rate signal and predetermined movement velocity compared, when rate signal was higher than or be lower than predetermined movement velocity, control device sent instruction to the drive motors of each pin rail wheel, and drive motors is adjusted driving condition according to instruction.
Like this, in the course of work, speed detector can detect the movement velocity of respectively selling the rail wheel constantly, control device can respectively be sold the movement velocity of rail wheel on the pin rail according to detection signal control, the pin rail wheel that has guaranteed the drive division of coal-winning machine moves on the pin rail with identical speed, has avoided coal-winning machine to bear extra active force.
Particularly, above-mentioned speed detector can be velocity sensor, velocity sensor can detect the velocity of rotation of respectively selling the rail wheel, velocity of rotation is passed to control device, control device is converted into the point-to-point speed of pin rail wheel on the pin rail according to velocity of rotation, compare control then, also can directly carry out the comparison of velocity of rotation, move on the pin rail with identical point-to-point speed and all be fine as long as can guarantee respectively to sell rail wheel.
Certainly, for the convenience that detects, and the accuracy of assurance detection, the number of velocity sensor is identical with the number of drive division.
In addition, for solving the problems of the technologies described above, the present invention also provides a kind of performing comprehensive coal mining equipment, comprise coal-winning machine and the drag conveyor 27 that is mated, wherein coal-winning machine is above-described coal-winning machine, the structure of other structures of performing comprehensive coal mining equipment and the performing comprehensive coal mining equipment of prior art is basic identical, does not repeat them here.
More than performing comprehensive coal mining equipment provided by the present invention and coal-winning machine thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. coal-winning machine, comprise drive division (26) and walking case, described drive division (26) is connected in described walking case, and the pin rail wheel of described drive division (26) is meshed with the pin rail of drag conveyor, it is characterized in that the number of described drive division (26) is at least three.
2. coal-winning machine according to claim 1 is characterized in that, the number of described drive division (26) is three, and all is arranged at a side relative with the cylinder (21) of described coal-winning machine, and the three evenly is provided with along described coal-winning machine fuselage.
3. coal-winning machine according to claim 1 is characterized in that, the number of described drive division (26) is three, and a side relative with described coal mining machine roller (21) is provided with two, and opposite side is provided with one, and the three evenly is provided with along described coal-winning machine fuselage.
4. coal-winning machine according to claim 1 is characterized in that, the number of described drive division (26) is four, and all is arranged at a side relative with the cylinder (21) of described coal-winning machine.
5. coal-winning machine according to claim 1 is characterized in that, the number of described drive division (26) is four, and is symmetricly set in the both sides of described coal-winning machine.
6. according to each described coal-winning machine of claim 1 to 5, it is characterized in that, also comprise speed detector and control device, described speed detector detects the movement velocity of each described pin rail wheel, and the rate signal that obtains is transferred to described control device; Described control device receives described rate signal, and described rate signal and predetermined movement velocity compared, when described rate signal is higher than or be lower than described predetermined movement velocity, described control device sends instruction to the drive motors of each described pin rail wheel, and described drive motors is adjusted driving condition according to described instruction.
7. coal-winning machine according to claim 6 is characterized in that, described speed detector is a velocity sensor.
8. coal-winning machine according to claim 7 is characterized in that, the number of described velocity sensor is identical with the number of described drive division (26).
9. a performing comprehensive coal mining equipment comprises coal-winning machine and the drag conveyor that is mated, and it is characterized in that described coal-winning machine is each described coal-winning machine of claim 1 to 8.
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| CN 201010606229 CN102011586A (en) | 2010-12-27 | 2010-12-27 | Integrated coal mining facility and coal mining machine thereof |
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| CN 201010606229 CN102011586A (en) | 2010-12-27 | 2010-12-27 | Integrated coal mining facility and coal mining machine thereof |
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| CN102011586A true CN102011586A (en) | 2011-04-13 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536232A (en) * | 2012-03-06 | 2012-07-04 | 黑龙江科技学院 | Double-row rack rail type multi-driving traction system for roller type coal mining machine |
| CN103032066A (en) * | 2011-09-30 | 2013-04-10 | 乔伊·姆·特拉华公司 | Slow turning drum for a miner |
| CN103174416A (en) * | 2013-03-14 | 2013-06-26 | 中国矿业大学 | Multi-point driving electric traction coal mining machine |
| CN103711486A (en) * | 2013-12-20 | 2014-04-09 | 三一重型装备有限公司 | Coal mining machine |
| CN103899306A (en) * | 2014-03-13 | 2014-07-02 | 三一重型装备有限公司 | Thin seam combined coal mining unit as well as coal mining machine and scraper conveyer |
| CN104481530A (en) * | 2014-11-11 | 2015-04-01 | 三一重型装备有限公司 | Coal cutter and tractor thereof |
| CN104695953A (en) * | 2015-02-15 | 2015-06-10 | 山东科技大学 | Coal cutter realizing automatic height adjustment of barrel and working method of coal cutter |
| CN107013210A (en) * | 2017-05-18 | 2017-08-04 | 天地科技股份有限公司上海分公司 | Highly automated adjustable coal mining machine supporting device |
| CN109443416A (en) * | 2018-11-09 | 2019-03-08 | 中国铁建重工集团有限公司 | Open type rock ripper and development machine support boots slip detector |
| CN110821490A (en) * | 2018-08-07 | 2020-02-21 | 卡特彼勒环球矿业欧洲有限公司 | Shear system for longwall mining |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9194230B2 (en) | 2011-09-30 | 2015-11-24 | Joy Mm Delaware, Inc. | Slow turning drum for a miner |
| CN103032066A (en) * | 2011-09-30 | 2013-04-10 | 乔伊·姆·特拉华公司 | Slow turning drum for a miner |
| CN103032066B (en) * | 2011-09-30 | 2016-08-10 | 乔伊·姆·特拉华公司 | Slow rotation cylinder for miner |
| CN102536232A (en) * | 2012-03-06 | 2012-07-04 | 黑龙江科技学院 | Double-row rack rail type multi-driving traction system for roller type coal mining machine |
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| CN103899306A (en) * | 2014-03-13 | 2014-07-02 | 三一重型装备有限公司 | Thin seam combined coal mining unit as well as coal mining machine and scraper conveyer |
| CN104481530A (en) * | 2014-11-11 | 2015-04-01 | 三一重型装备有限公司 | Coal cutter and tractor thereof |
| CN104695953A (en) * | 2015-02-15 | 2015-06-10 | 山东科技大学 | Coal cutter realizing automatic height adjustment of barrel and working method of coal cutter |
| CN107013210A (en) * | 2017-05-18 | 2017-08-04 | 天地科技股份有限公司上海分公司 | Highly automated adjustable coal mining machine supporting device |
| CN110821490A (en) * | 2018-08-07 | 2020-02-21 | 卡特彼勒环球矿业欧洲有限公司 | Shear system for longwall mining |
| CN109443416A (en) * | 2018-11-09 | 2019-03-08 | 中国铁建重工集团有限公司 | Open type rock ripper and development machine support boots slip detector |
| CN109443416B (en) * | 2018-11-09 | 2020-06-26 | 中国铁建重工集团股份有限公司 | Open rock tunnel boring machine and tunnel boring machine supporting shoe slipping detection device |
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Application publication date: 20110413 |