CN106679964A - Simulation test device for cutting of spiral drum of thin-coal-seam coal mining machine - Google Patents
Simulation test device for cutting of spiral drum of thin-coal-seam coal mining machine Download PDFInfo
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- CN106679964A CN106679964A CN201710149839.5A CN201710149839A CN106679964A CN 106679964 A CN106679964 A CN 106679964A CN 201710149839 A CN201710149839 A CN 201710149839A CN 106679964 A CN106679964 A CN 106679964A
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- 238000004088 simulation Methods 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000005065 mining Methods 0.000 title claims abstract description 22
- 239000003245 coal Substances 0.000 title abstract description 29
- 238000005520 cutting process Methods 0.000 title abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 38
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000001931 thermography Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a simulation test device for cutting of spiral drum of a thin-coal-seam coal mining machine. The simulation test device comprises a spiral drum, a spiral drum driving device, a simulated coal wall mechanism and a spiral drum feeding mechanism, wherein the simulated coal wall mechanism is positioned at one side close to the spiral drum, and comprises a simulated coal wall and a coal wall heightening cylinder for heightening the simulated coal wall; the spiral drum feeding mechanism comprises a first spiral drum feeding mechanism for driving the spiral drum to move forwards and backwards in the traction direction and a second spiral drum feeding mechanism for driving the spiral drum to move leftwards and rightwards in the direction of cutting depth change. According to the simulation test device provided by the invention, by matching movement of the spiral drum feeding mechanism and the coal wall heightening cylinder, multiple underground movement conditions of the coal mining machine can be simulated; and by a torque sensor, a dust detector and an infrared thermal imager in the test device, comprehensive understanding for load, cutting-tooth temperature field, dust generation amount and the distortion-destruction process of coal bodies when in spiral drum cutting of the thin-coal-seam coal mining machine can be achieved.
Description
Technical field：
The invention belongs to girdle mechanical mining technical field, more particularly to a kind of low seam mining machinery helix drum section
Cut simulation test device.
Background technology：
As girdle occurrence condition is unstable, work surface narrow space, bad environments, realize mechanical mining to machinery
Equipment performance requires higher.Operating mechanism of the helix drum as coal-winning machine, which task such as carries brokenly coal, coalings, consuming
Most installed powers of coal-winning machine, which is mainly cut to coal seam by the pick being distributed on helical blade and is made coal
Rock mass is peeled off.Cutting capacity is an important indicator for evaluating helix drum service behaviour, and the quality of Cutting Performance is to mining
The aspects such as machine productivity ratio, loading efficiency, specific energy of cutting, work surface Dust Capacity, stable working have important impact.
To improve low seam mining machinery service behaviour, coal machine design production unit needs to carry out cutting test to come to coal-winning machine
Cutting Performance is estimated, and double optimization is carried out to coal-winning machine structure design according to result of the test, but due to working face face ring
The characteristics of border is severe, operating mode is complicated, when carrying out down-hole cutting test, test data easily is difficult to gather by environmental disturbances, multifactor shadow
Ring lower data parameters identification difficulty increase, when work surface is to press, downhole testing personnel and testing equipment all suffer from higher
Risk, therefore, to the cutting test of Shearer Helical Drum great majority by the way of laboratory simulation.And existing simulation
Situations such as assay device has been primarily upon helix drum load and coal cinder rate, and to pick temperature in helix drum cutting course
Field, dust growing amount etc. do not have the research of depth；And generally use helix drum and maintain static, simulation coal cinder is made in traction
Direction and cut depth direction are moved back and forth, and simulation coal cinder can not be heightened, therefore are unfavorable for simulating coal-winning machine in the various of down-hole
Motion conditions, are also unfavorable for simulating the automatization of cutting course, further can not reduce the complete of coal body deformation failure well
Process.
The content of the invention：
For the defect of prior art, the present invention provides a kind of cutting course simulated under various working and can realize adopting
The low seam mining machinery helix drum cut simulation test dress of coal work surface automatization, comprehensively analysis coal deformation destructive process
Put.
The present invention is adopted the following technical scheme that：A kind of low seam mining machinery helix drum cut simulation test device is provided,
Including helix drum, helix drum driving means, simulation rib mechanism and helix drum feed mechanism；The helix drum drives
Device is placed on the helix drum feed mechanism, and including motor, cylinder drive shaft, the outfan of the motor is disposed with
Decelerator, torque sensor, shaft coupling, the shaft coupling are connected with the cylinder drive shaft, the cylinder drive shaft with it is described
The cylinder hub connection of helix drum, the helix drum are located on same axis with the centrage of the helix drum driving means；
The simulation rib mechanism is in disposing on the ground, including being fixed on ground near the side of the helix drum
Base, the multiple ribs on the base heighten oil cylinder, the rib is heightened oil cylinder and supports jointly a rib to fix
Plate, simulation rib be fixed in the rib fixed plate, the helix drum for simulate rib carry out cut；
It is described for driving that the helix drum feed mechanism is supported in ground, including one first helix drum feed mechanism
Helix drum is moved forward and backward in lead, and one second helix drum feed mechanism is used to drive the helix drum in cut depth
Degree change direction side-to-side movement；
The second helix drum feed mechanism is provided with one first dust detector and one second dust detector, described
First dust detector, second dust detector is upwardly away from the helix drum, an equipment in cut change in depth side
Support is located at the rear side of the helix drum in lead, which is provided with one the 3rd dust detector and an infrared thermal imaging
Instrument, the rib fixed plate are located at the front side of the helix drum, which is provided with one the 4th dust detector.
The first helix drum feed mechanism includes that one first sliding platform and multiple slidings for fixing on the ground are flat
Platform is supported, and each sliding platform supports upper surface to be equipped with the longitudinal rail for extending along the longitudinal direction, first sliding
Platform lower surface is provided with longitudinal fluting and is coordinated with the longitudinal rail, at least one first sliding platform oil cylinder and first sliding
Platform connection is moved forward and backward which；The second helix drum feed mechanism includes one second sliding platform, described first
Sliding platform upper surface is provided with the cross slide way for extending in left-right direction, and the lower surface of second sliding platform is provided with laterally recessed
Groove is coordinated with the cross slide way, and one second sliding platform oil cylinder is connected with second sliding platform makes which carry out left and right shifting
It is dynamic.
The helix drum driving means are fixed on the second sliding platform upper surface.
First dust detector and second dust detector are installed in the second sliding platform upper surface.
As shown from the above technical solution, the present invention compared with prior art, has the advantage that：
(1) the simulation rib mechanism includes the rib fixed plate of fixed-analog rib, and the rib fixed plate is by more
Individual rib heightens oil cylinder support, and helix drum carries out cut to simulating rib；The helix drum feed mechanism includes one first
Helix drum feed mechanism is used to drive the helix drum to move forward and backward in lead, one second helix drum feed mechanism
For driving the helix drum in the direction side-to-side movement of cut change in depth；Oil cylinder and helix drum are heightened by the rib
In feed mechanism, the routing motion of sliding platform oil cylinder can realize that beveling in helix drum cutting course and rib were heightened
Journey, can simulate multi-motion situation of the coal-winning machine in down-hole, be also beneficial to the realization of coal-face automatization；
(2) the second sliding platform in the second helix drum feed mechanism passes through matching somebody with somebody for transverse concave groove and cross slide way
On the first sliding platform that conjunction horizontally slips in the first helix drum feed mechanism, first sliding platform is by vertical
, on sliding platform is supported, simple structure is easy to operate for cooperation slide anteroposterior to groove and longitudinal rail；Further, institute
State helix drum driving means to be placed on second sliding platform, this kind of helix drum driving means, described first
The structure that sliding platform and second sliding platform are layering saves the occupation of land space of the analog, saves into
This；
(3) the low seam mining machinery helix drum cut simulation test device using torque sensor, dust detector,
Infrared thermography is realizing load during low seam mining machinery helix drum cut, pick temperature field, dust growing amount, coal body
The overall understanding of process of deformation and failure.
(4) helix drum can realize quick-replaceable between the cylinder drive shaft of the helix drum driving means,
To complete the test to different coal-winning machine model helix drum Cutting Performances；Simulation rib size is less, easy for installation, it is only necessary to
Less cost just can quick Fabrication go out simulation rib corresponding to different coal condition, especially simulate coal rich in dirt band coal seam
Wall.
Description of the drawings：
Fig. 1 is the axonometric chart of low seam mining machinery helix drum cut simulation test device provided in an embodiment of the present invention；
Fig. 2 is simulation rib mechanism in low seam mining machinery helix drum cut simulation test device as shown in Figure 1
Axonometric chart；
Fig. 3 is helix drum feeding machine in low seam mining machinery helix drum cut simulation test device as shown in Figure 1
The axonometric chart of structure；
In the present embodiment：1- helix drums, 2- motors, 3- decelerators, 4- torque sensors, 5- shaft couplings, 6- cylinders drive
Moving axis, 7- bases, 8- ribs heighten oil cylinder, and 9- rib fixed plates, 91- fix base plate, 92- side plates, 93- fixation clips, 10- moulds
Intend rib, 11- sliding platforms are supported, 121- longitudinal rails, 122- cross slide ways, the first sliding platforms of 13-, the first slidings of 14-
Platform oil cylinder, the second sliding platforms of 15-, 16- the second sliding platform oil cylinders, the first dust detectors of 171-, the second dust of 172-
Detector, the 3rd dust detectors of 173-, the 4th dust detectors of 174-, 18- infrared thermographies, 19- equipment supporters.
Specific embodiment：
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is for illustrating the present invention, but is not limited to the scope of the present invention.
As shown in figure 1, a kind of low seam mining machinery helix drum cut simulation test device disclosed by the invention, including spiral shell
Rotating drum 1, helix drum driving means, simulation rib mechanism and helix drum feed mechanism.The helix drum driving means
It is placed on the helix drum feed mechanism, including motor 2, cylinder drive shaft 6, the outfan of the motor 2 is disposed with
Decelerator 3, torque sensor 4, shaft coupling 5, the shaft coupling 5 are connected with the cylinder drive shaft 6, the cylinder drive shaft 6
It is connected with the cylinder hub of the helix drum 1, the helix drum 1 is located at same with the centrage of the helix drum driving means
On axis.The required drive when motor 2 provides 1 cut of helix drum, rotating speed is carried out reduction of speed by the decelerator 3, by institute
The measurement that torque sensor 4 is capable of achieving torque transmission shaft in cutting course is stated, motor power is delivered to described by said structure
The cut to simulating rib is realized on helix drum 1.
As depicted in figs. 1 and 2, the simulation rib mechanism is disposed on the ground in the side of the close helix drum 1,
Oil cylinder 8 is heightened including the base 7 being fixed on ground, the multiple ribs on the base 7, the rib heightens oil cylinder
8 one rib fixed plates 9 of common support, simulation rib 10 are fixed in the rib fixed plate 9.Simulation rib 10 based on coal,
It is aided with the raw materials such as cement, water, water reducer, the coal selected, cement is mixed by water, and adds appropriate water reducer, is configured to
Simulation rib needed for test, the rib fixed plate 9 include the fixed base plate 91 that a surface is zigzag fashion, and perpendicular to institute
Multiple side plates 92 of fixed base plate are stated, the simulation rib 10 is poured in the region that fixed base plate 91 and multiple side plates 92 are formed
Form, be fixed with 93 pairs of simulation ribs 10 of a fixation clip after pouring molding.
As shown in figures 1 and 3, the helix drum feed mechanism is supported in ground, including the feeding of one first helix drum
Mechanism is used to drive the helix drum 1 to move forward and backward in lead, and one second helix drum feed mechanism is used to drive institute
Helix drum 1 is stated in the direction side-to-side movement of cut change in depth.Further, the first helix drum feed mechanism includes one
First sliding platform 13 and multiple sliding platforms being bolted on ground support 11, and each sliding platform is supported
11 upper surfaces are equipped with the longitudinal rail 121 for extending along the longitudinal direction, and it is recessed that 13 lower surface of the first sliding platform is provided with longitudinal direction
Groove is coordinated with the longitudinal rail 121, and two the first sliding platform oil cylinders 14 are connected with first sliding platform 13 enters which
Row is movable, realizes the traction cut operation of helix drum 1；The second helix drum feed mechanism includes one second sliding
Platform 15,13 upper surface of the first sliding platform are provided with the cross slide way 122 for extending in left-right direction, and second sliding is put down
The lower surface of platform 15 is provided with transverse concave groove and is coordinated with the cross slide way 122, one second sliding platform oil cylinder 16 and described second
The connection of sliding platform 15 is moved left and right which, and then realizes the control to 1 cut depth of helix drum.
The helix drum driving means are arranged on 15 upper surface of the second sliding platform, and flat in second sliding
The upper surface of platform 15, is provided with one first dust detector 171 and one second dust detector 172, the first dust detection
171 second dust detector 172 of instrument is upwardly away from the helix drum 1, first powder in cut change in depth side
Dirt detector 171 and second dust detector 172 are used to be measured to the dust concentration at work surface different distance.
One equipment supporter 19, as shown in figure 1, the rear side of the helix drum 1 is located in lead, is provided with
One the 3rd dust detector 173 and infrared thermography 18, and in the front side of the helix drum 1, fix positioned at the rib
One the 4th dust detector 174 is installed on plate 9.Wherein described 3rd dust detector 173 can be carried out on height and distance
Adjust to determine dust concentration, the 4th dust detector 174 arrives the distance of the helix drum 1 as helix drum 1 exists
The motion of lead and change, therefore the dust concentration away from 1 front various location of helix drum can be determined.It is described red
The invisible infrared energy that pick and coal body send is changed into visible thermal image by outer thermal imaging system 18, and then to cutting course
Middle pick temperature change and coal body destructive process are analyzed.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that：Which still may be used
To modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are equal to
Replace；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the model limited by the claims in the present invention
Enclose.
Claims (4)
1. a kind of low seam mining machinery helix drum cut simulation test device, it is characterised in that include：Helix drum, spiral
Drum drive, simulation rib mechanism and helix drum feed mechanism；The helix drum driving means are placed in the spiral
On cylinder feed mechanism, including motor, cylinder drive shaft, the outfan of the motor is disposed with decelerator, torque sensing
Device, shaft coupling, the shaft coupling are connected with the cylinder drive shaft, and the cylinder drive shaft is connected with the cylinder hub of the helix drum
Connect, the helix drum is located on same axis with the centrage of the helix drum driving means；
The simulation rib mechanism is disposed on the ground, including the bottom being fixed on ground in the side of the close helix drum
Seat, the multiple ribs on the base heighten oil cylinder, and the rib is heightened oil cylinder and supports jointly a rib fixed plate, mould
Intend rib be fixed in the rib fixed plate, the helix drum for simulate rib carry out cut；
The helix drum feed mechanism is supported in ground, including one first helix drum feed mechanism is used to drive the spiral
Cylinder is moved forward and backward in lead, and one second helix drum feed mechanism is used to drive the helix drum to become in cut depth
Change direction side-to-side movement；
The second helix drum feed mechanism is provided with one first dust detector and one second dust detector, and described first
Dust detector second dust detector is upwardly away from the helix drum, an equipment supporter in cut change in depth side
The rear side of the helix drum is located in lead, one the 3rd dust detector and an infrared thermography is which is provided with,
The rib fixed plate is located at the front side of the helix drum, which is provided with one the 4th dust detector.
2. low seam mining machinery helix drum cut simulation test device according to claim 1, it is characterised in that：It is described
First helix drum feed mechanism includes that one first sliding platform and multiple sliding platforms for fixing on the ground are supported, Mei Yisuo
Stating sliding platform supports upper surface to be equipped with the longitudinal rail for extending along the longitudinal direction, and the first sliding platform lower surface is provided with
Longitudinal fluting is coordinated with the longitudinal rail, and at least one first sliding platform oil cylinder is connected with first sliding platform enters which
Row is movable；The second helix drum feed mechanism includes one second sliding platform, the first sliding platform upper surface
The cross slide way for extending in left-right direction is provided with, the lower surface of second sliding platform is provided with transverse concave groove and is laterally led with described
Rail coordinates, and one second sliding platform oil cylinder is connected with second sliding platform is moved left and right which.
3. low seam mining machinery helix drum cut simulation test device according to claim 2, it is characterised in that：It is described
Helix drum driving means are fixed on the second sliding platform upper surface.
4. low seam mining machinery helix drum cut simulation test device according to claim 2, it is characterised in that：It is described
First dust detector and second dust detector are installed in the second sliding platform upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149839.5A CN106679964A (en) | 2017-03-14 | 2017-03-14 | Simulation test device for cutting of spiral drum of thin-coal-seam coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710149839.5A CN106679964A (en) | 2017-03-14 | 2017-03-14 | Simulation test device for cutting of spiral drum of thin-coal-seam coal mining machine |
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| CN201710149839.5A Pending CN106679964A (en) | 2017-03-14 | 2017-03-14 | Simulation test device for cutting of spiral drum of thin-coal-seam coal mining machine |
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| CN107957330A (en) * | 2018-01-10 | 2018-04-24 | 辽宁工程技术大学 | A kind of cutting head of roadheader cutting test platform |
| CN108766178A (en) * | 2018-05-30 | 2018-11-06 | 西安科技大学 | A kind of large-inclination-angle coal bed holder and Surrounding Rock System four-dimension physical simulation experiment platform |
| CN108952706A (en) * | 2018-09-21 | 2018-12-07 | 辽宁工程技术大学 | A kind of horizontal shaft type tunneling machine cutting simulated experiment platform |
| CN110702480A (en) * | 2019-10-14 | 2020-01-17 | 山东科技大学 | Experimental system for simulating impact presplitting and cutting |
| CN111220374A (en) * | 2020-03-25 | 2020-06-02 | 辽宁工程技术大学 | Dust detection and dynamic adjustment testing device for cutting of heading machine |
| CN111999199A (en) * | 2020-07-31 | 2020-11-27 | 山东科技大学 | Comprehensive experiment system for pre-fracturing and cutting performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107957330A (en) * | 2018-01-10 | 2018-04-24 | 辽宁工程技术大学 | A kind of cutting head of roadheader cutting test platform |
| CN108766178A (en) * | 2018-05-30 | 2018-11-06 | 西安科技大学 | A kind of large-inclination-angle coal bed holder and Surrounding Rock System four-dimension physical simulation experiment platform |
| CN108766178B (en) * | 2018-05-30 | 2023-05-16 | 西安科技大学 | Four-dimensional physical simulation experiment platform for large-dip-angle coal seam support and surrounding rock system |
| CN108952706A (en) * | 2018-09-21 | 2018-12-07 | 辽宁工程技术大学 | A kind of horizontal shaft type tunneling machine cutting simulated experiment platform |
| CN110702480A (en) * | 2019-10-14 | 2020-01-17 | 山东科技大学 | Experimental system for simulating impact presplitting and cutting |
| CN111220374A (en) * | 2020-03-25 | 2020-06-02 | 辽宁工程技术大学 | Dust detection and dynamic adjustment testing device for cutting of heading machine |
| CN111999199A (en) * | 2020-07-31 | 2020-11-27 | 山东科技大学 | Comprehensive experiment system for pre-fracturing and cutting performance |
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Application publication date: 20170517 |