CN203097891U - Rocker type transverse drum shearer - Google Patents
Rocker type transverse drum shearer Download PDFInfo
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- CN203097891U CN203097891U CN 201220703294 CN201220703294U CN203097891U CN 203097891 U CN203097891 U CN 203097891U CN 201220703294 CN201220703294 CN 201220703294 CN 201220703294 U CN201220703294 U CN 201220703294U CN 203097891 U CN203097891 U CN 203097891U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 83
- 238000005065 mining Methods 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
一种摇臂式横向滚筒采煤机，包括由数个机箱隔腔组成机体和机箱隔腔内的动力传动链、摇臂、滚筒及卷筒，机体下部设滑板，动力传动链包括连接于电机主轴上的主传动轮与一对副传动轮啮合带动纵向前、后传动轴输出动力，从而带动末级传动齿轮轴及减速传动箱齿轮轴上的滚筒和链轮传动装置及截齿同步运行，实现横向全断面无死角全方位采煤的技术方案；它克服了现有采煤装置只能开采小倾角巷道结构顶面和侧面煤层，而且两滚筒之间的煤层无法同步采掘的缺陷，解决了巷道倾角在25°以上结构底面煤层和滚筒之间的煤层弃之不采的难题；适合煤矿巷道倾角结构底面煤层的采掘；特别适合中小型煤矿巷道倾角在25°以上结构底面煤层、薄煤层全断面无死角煤层采掘。
A rocker arm type transverse drum shearer, including a body composed of several cabinet compartments and a power transmission chain in the cabinet compartment, a rocker arm, a drum and a reel, a slide plate is arranged at the lower part of the body, and the power transmission chain includes a motor connected to the The main transmission wheel on the main shaft meshes with a pair of auxiliary transmission wheels to drive the longitudinal front and rear transmission shafts to output power, thereby driving the rollers, sprocket transmissions and picks on the final transmission gear shaft and the gear shaft of the reduction transmission box to run synchronously. It is a technical scheme to realize all-round coal mining with full cross-section and no dead angle; it overcomes the defect that the existing coal mining device can only mine the top and side coal seams of small-inclination roadway structures, and the coal seam between the two drums cannot be excavated synchronously. The difficulty of discarding the coal seam between the bottom coal seam and the drum with the inclination angle of the roadway above 25°; it is suitable for the mining of the bottom coal seam of the coal mine roadway inclination angle structure; it is especially suitable for small and medium-sized coal mines with a structure bottom coal seam and thin coal seam with an inclination angle of more than 25° There is no dead angle coal seam mining in the section.
Description
Technical field
The utility model relates to a kind of rocker arm transverse rollers coal-winning machine.
Background technology
Existing middle and small scale coal mine quantity accounts for more than 90% of national colliery sum, but the scale of all exploiting is less, and the exploitation tunnel is narrow, technical equipment falls behind, the colliery that has even also still adopt pneumatic pick to carry out the man-made recovery, and its coal mining efficient is lower, working environment is more abominable, and personal security more is difficult to guarantee; Then feeling simply helpless especially in coal seam, bottom surface for exploitation high inclination-angle tunnel structure, has caused the serious waste of a large amount of coal resources, become to implement a great problem in resource-conserving and the coal resources exploitation protection strategy; And use mechanical coal mining, its coal excavation apparatus only to be fit to exploitation coal seam, small inclination tunnel structure bottom surface in the middle and small scale coal mine fully, the inclination angle, tunnel is generally 18-25 ° of scope; And can stay the dead angle that to exploit between two cylinders of coal excavation apparatus; And for the bigger bottom surface coal bed texture in inclination angle, tunnel, this coal bed texture proportion in southern middle and small scale coal mine is bigger, and the inclination angle, tunnel of exploitation is generally more than 25 °, the inclination angle maximum in addition reach 30 °; , still do not have effective coal-cutting machinery equipment at present and can promote the use of at the tunnel coal bed texture more than 25 ° for the inclination angle; In addition, though small-sized cutting coal machine energy appropriate angle is the coal bed texture more than 25 °, it only can exploit the coal seam of side, tunnel; Exploitation for bigger coal seam, bottom surface, inclination angle, tunnel does not still have effective implementing measure; so can only adopt the man-made recovery; have a strong impact on production efficiency, have serious potential safety hazard, seriously hindered implementing, implementing of resource-conserving and coal resources exploitation protection strategy.
To sum up, the researcher just is being based on the concrete enforcement of resource-conserving strategy, and the exploitation in coal seam, high inclination-angle tunnel structure bottom surface has been dropped into certain financial resources and material resources.According to different geological conditionss, the target that vertical flitting of high inclination-angle and rocker arm transverse rollers coal-winning machine are researched and developed has simultaneously been proposed, wherein; rocker arm transverse rollers coal-winning machine is suitable for the high-efficiency mining that girdle does not have the dead angle; still, the exploitation in coal seam will be the difficult point and the key of the design of rocker arm transverse rollers coal-winning machine under the realization rocking arm.
Summary of the invention
At above-mentioned situation, the purpose of this utility model is to provide a kind of rocker arm transverse rollers coal-winning machine, and it both can realize the full section exploitation of girdle, be fit to of the exploitation of inclination angle, tunnel again greater than high inclination-angle bottom surface He the coal seam, no dead angle of 25 ° of structures, and the exploitation capital input in coal seam is few, and the quarrying apparatus compact conformation is made easily, operation control is safe and reliable, high efficiency, the coal resources exploitation does not have waste, non-environmental-pollution, economical and practical, be convenient to penetration and promotion in middle and small scale coal mine.
To achieve these goals; rocker arm transverse rollers coal-winning machine; it comprises by several cabinet separate spaces and forms body and be arranged at power chain in the cabinet separate space; and rocking arm; cylinder and reel; underpart is provided with slide plate; described power chain comprises an electric machine main shaft; before the main driving wheel on this electric machine main shaft drives vertically with the engagement of a pair of auxiliary driving wheel; inter-axle shaft outputting power; described front propeller shaft end is provided with a bevel gear; the spur gear that this bevel gear drives on a bevel gear shaft and the axle thereof rotates; this spur gear drives three grades of travelling gears and driving gearshaft at different levels rotates; thus drive gear shaft rotation in final stage driving gearshaft and the speed reducing transmission case thereof; and the rotation of gear shaft makes cylinder and the sprocket transmission device on this rotate; the end of described inter-axle shaft is provided with a worm screw, and this worm screw drives the reel rotation on worm-wheel shaft and the axle thereof.
For implementation structure, effect optimization, its further step is:
Described sprocket transmission device comprises the major and minor sprocket wheel that is arranged at the speed reducing transmission case both sides, around the chain of major and minor chain gear transmission be fixed on the drive link between the chain and be laid in pick on the drive link.
Described cylinder is horizontal horizontal drum, and it is laid on the two outboard gears axles of speed reducing transmission case.
Lay pick on the periphery of described cylinder and press axial cross-distribution.
Both sides, described rocking arm middle part are provided with the adjustable type bearing connecting rod and are connected with sliding sleeve on the body and regulate and fix.
Described rocking arm and being connected of body are to be fixed in body after connecting axle is passed from the empty sleeve of speed reducing transmission case.
Described speed reducing transmission case is four three grades of speed reducing transmission cases.
Four jiaos of described body are provided with the abrasion-proof safety wheel.
Described After-Body is provided with draw hook.
Described body top is provided with maintenance and inspects window.
A kind of rocker arm transverse rollers of the utility model coal-winning machine, employing comprises by several cabinet separate spaces forms power chain in body and the cabinet separate space; rocking arm; cylinder and reel; underpart is established slide plate; before power chain comprises that the main driving wheel that is connected on the electric machine main shaft and the engagement of a pair of auxiliary driving wheel drive vertically; the inter-axle shaft outputting power; thus drive cylinder and sprocket transmission device and pick synchronous operation on final stage driving gearshaft and the speed reducing transmission case gear shaft; and the reel that inter-axle shaft then drives on worm-wheel shaft and the axle thereof cooperates operation, realizes that laterally full section does not have the technical scheme of the comprehensive coal mining in dead angle; It has overcome existing coal mining device can only exploit small inclination tunnel structure end face and coal seam, side, and two defectives of coal seam digging synchronously between the cylinder, solved the difficult problem of not adopting that the inclination angle, tunnel is abandoned in the coal seam between coal seam, structure bottom surface and the cylinder more than 25 °; Realize that the full section of tunnel structure bottom surface girdle does not have the digging of coal seam, dead angle.
The beneficial effect that the utility model is produced compared to existing technology:
(I) the utility model adopts the technical scheme of speed reducing transmission case and transverse rollers, solved the difficult problem of not adopting that coal seam, bottom surface, high inclination-angle tunnel is abandoned preferably, opened inclination angle, middle and small scale coal mine tunnel and do not had the beginning of exploitation in coal seam, structure bottom surface more than 25 °, avoided coal seam, a large amount of bottom surface resource to exploit the direct economic loss and the wasting of resources that causes coal resources because of throwing aside, input with minimum has obtained maximum value, made pioneering contribution for realization coal resources exploitation protection strategy, it is implemented achievement and can obtain to popularize in an all-round way;
(II) the utility model adopts sprocket transmission device in the rocking arm place, and chain drive and laterally horizontal drum aggregate erection that pick combines are set on drive link, can guarantee that running part also can mine, and guarantees that laterally full section does not have the digging of coal seam, dead angle;
(III) the utility model adopts speed reducing transmission case, can adjust the height of cylinder, can realize the exploitation of Seams with Different Thickness, also is convenient to the transportation of coal-winning machine simultaneously;
(IV) the utility model connects in rocking arm both sides chain strip adoption drive link, pick setting on the drive link, and it is convenient to change;
(V) the utility model is adopted cylinder and is laterally installed, and pick adopts axial cross-distribution on the cylinder of both sides, is convenient to mine and produce coal;
(VI) the utility model adopts the hub-type cylinder, is convenient to installation and removal;
(VII) abrasion-proof safety wheel before and after the utility model four jiaos of both sides being used in body are provided with, effectively protect critical pieces such as body, cylinder and avoided collision, and can regulate the smooth and easy mobile of bend place automatically, thereby application life, operating efficiency and the digging security performance of speed reducing transmission case and transverse rollers coal-winning machine have been improved;
(VIII) the utility model adopts split-type structural, and body is box separate space type, is convenient to the lubricated and sealing and dustproof of laying installation, parts of driving-chain;
(IX) the utility model designs simplification, compactness, volume are little, and operation control is brisk flexibly, high efficiency, and coal seam producing coal rate height, the No Assets waste, non-environmental-pollution is fit to the digging of inclination angle, middle and small scale coal mine tunnel in coal seam, structure bottom surface more than 25 °;
(X) the utility model adopts the adjustable rocker structure of radial type, dwindled the body length overall, structure is compact, simple and easy, light and handy more, can realize the full section of tunnel structure bottom surface girdle, comprehensive exploitation, replace artificial pneumatic pick operation, improve production efficiency greatly, reduced production safety hidden danger, saved resource, very easily penetration and promotion, market potential is huge.
The utility model is fit to the digging in coal seam, obliquity structure bottom surface, middle and small scale coal mine tunnel; Be particularly suitable for inclination angle, middle and small scale coal mine tunnel and do not have the digging in coal seam, dead angle at coal seam, structure bottom surface, the full section of girdle more than 25 °.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model rocker arm transverse rollers coal-winning machine master sectional view.
Fig. 2 is the utility model rocker arm transverse rollers coal-winning machine vertical view.
Fig. 3 is connected the sectional view of (dissecing along F-F) for speed reducing transmission case among Fig. 1 and cylinder adopt shaft type.
Fig. 4 is connected the sectional view of (dissecing along F-F) for speed reducing transmission case among Fig. 1 and cylinder adopt flange.
The schematic diagram of Fig. 5 for dissecing along B-B among Fig. 1.
Fig. 6 is the front view of the utility model rocker arm transverse rollers coal-winning machine.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is used for the operating mode schematic diagram of operation field for the utility model.
Among the figure: 1, the cabinet separate space, 2, body, 3, power chain, 4; rocking arm, 5; cylinder, 6; reel; 7; slide plate, 8; electric machine main shaft, 9; main driving wheel; 10; auxiliary driving wheel, 11; front propeller shaft, 12; inter-axle shaft; 13; bevel gear, 14; bevel gear shaft, 15; spur gear; 16; three grades of travelling gears, 17; driving gearshaft, 18; final stage driving gearshaft; 19; speed reducing transmission case, 20; worm screw, 21; worm-wheel shaft; 22; gear shaft, 23; sprocket transmission device, 24; head sprocket; 25; auxiliary chain wheel, 26; chain, 27; drive link; 28; pick, 29; adjustable type bearing connecting rod, 30; sliding sleeve; 31; connecting axle, 32; empty sleeve, 33; abrasion-proof safety wheel; 34; draw hook, 35; maintenance is inspected window, 36; steel cable.
The specific embodiment
shown in accompanying drawing, rocker-arm transverse rollers coal-winning machine, it comprises by at least three cabinet separate spaces 1 and forms body 2 and be arranged at the interior power chain 3 of cabinet separate space 1, and Rocker arm 4, cylinder 5 and reel 6, in order to increase work efficiency and the full section exploitation of suitable tunnel structure bottom surface girdle, body 2 bottoms arrange slide plate 7, power chain 3 comprises an electric machine main shaft 8, before main driving wheel 9 on this electric machine main shaft 8 drives vertically with a pair of auxiliary driving wheel 10 engagements, inter-axle shaft 11, 12 outputting powers, front propeller shaft 11 ends arrange a bevel gear 13, the spur gear 15 that this bevel gear 13 drives on a bevel gear shaft 14 and axle thereof rotates, this spur gear 15 drives three grades of travelling gears 16 and driving gearshaft at different levels 17 rotates, thereby drive gear shaft 22 rotations in final stage driving gearshaft 18 and speed reducing transmission case 19 thereof, the rotation of gear shaft 22 makes cylinder 5 and the sprocket transmission device 23 on this axle rotate, the end of described inter-axle shaft 12 arranges a worm screw 20, the reel 6 that this worm screw 20 drives on worm-wheel shaft 21 and axle thereof rotates.
With reference to accompanying drawing, mine in order to realize laterally full section, prevent the exploitation dead angle, one cover sprocket transmission device 23 respectively is installed on the speed reducing transmission case both sides gear shaft 22,26 on two chains adopt carrier bar to connect, and pick is installed on the carrier bar, and the linear velocity of carrier bar is close with the linear velocity of cylinder; Sprocket transmission device 23 comprises head sprocket 24, the auxiliary chain wheel 25 that is arranged at speed reducing transmission case 19 both sides, and every side is around the chain 26 of major and minor sprocket wheel 24,25 transmissions and be fixed on the drive link 27 between two chains 26 and be laid in pick 28 on the drive link 27.
In conjunction with the accompanying drawings, mine in order to realize laterally full section, enhance productivity, reduce production costs, overcome cylinder 5 and safeguard, change problem of difficult, cylinder 5 adopts horizontal horizontal connection, cylinder 5 is installed on the two outboard gears axles 22 of speed reducing transmission case 19, adopts the hub-type flange to connect, and has realized cylinder 5 quick, simple and easy installations, safeguard, change more convenient, obtained unexpected technique effect.
With reference to accompanying drawing, to mine in order to realize laterally full section, cylinder 5 is horizontal horizontal drum, is installed on the two outboard gears axles 22 of speed reducing transmission case 19; Lay pick 28 on the periphery of cylinder 5, in order to improve coal mining efficient, pick 28 is by axial cross-distribution.
In conjunction with the accompanying drawings, in order to exploit the coal seam of different-thickness, the engagement height in timely adjustment cylinder 5 and coal seam; both sides, Rocker arm 4 middle part are provided with adjustable type bearing connecting rod 29; adjustable type bearing connecting rod 29 flexibly connects with sliding sleeve 30 on the body 2; adjustable type bearing connecting rod 29 is up and down adjusting and fixing in sliding sleeve 30 in, thus timely adjustment cylinder 5 up and down highly to adapt to the coal seam of different-thickness.
With reference to accompanying drawing, in order to realize the full section of tunnel structure bottom surface girdle, comprehensive exploitation; Rocker arm 4 and body 2 adopts radial types to be connected; realize that the Rocker arm 4 high inclination-angle can be in harmonious proportion the engagement height and the angle in timely adjustment cylinder 5 and coal seam; be fixed on the body 2 after further adopting connecting axle 31 from the empty sleeve 32 of speed reducing transmission case 19, to pass; dwindled body 2 total lengths, structure is compact, simple and easy, light and handy more.
In conjunction with the accompanying drawings, in order to exploit the coal seam of different-thickness, quality, speed reducing transmission case 19 adopts four three grades of step-down ratios, compact conformation, and through-put power is big.
With reference to accompanying drawing, damage body 2 and component for preventing that coal-winning machine from bumping with the exploitation tunnel when the operation, at body 2 four jiaos the abrasion-proof safety wheel 33 of selecting the rubber wheel material for use is set, abrasion-proof safety wheel 33 is free to rotate or roll; Guiding regulating action when abrasion-proof safety wheel 33 also can play body 2 and moves regulates automatically in order to the guiding coal-winning machine that direct of travel and protection body 2 and cylinder 5 are unlikely to damage parts because of the collision with wall.
In conjunction with the accompanying drawings, body 2 rear portions are provided with draw hook 34, make things convenient for the fixing of traction enhancement machine travel steel cable.
With reference to accompanying drawing, in order to alleviate the frictional resistance of coal-winning machine in moving process, improve the speed of service, prolong 2 application lifes of body, slide plate 7 is through journal stirrup and the flexible connection of body 2 bottoms; For dustproof and lubricated the needs, it is box that body 2 is set to separate space, and 3 cabinet separate spaces 1 are respectively preceding separate space, middle separate space, back separate space; Reel 6 is arranged in the separate space of back, drag for ease of system and to unload and to install and conveniently to repair inspection and to safeguard, separate space is according to difference in functionality and in conjunction with the requirement of power chain 3, in the separate space or lubrication oil is housed or has system maintenance and inspect window 35 or mounting flange coupling spindle and bearing support.
Shown in accompanying drawing, the operating principle of the utility model rocker arm transverse rollers coal-winning machine and operating mode operation:
One, the seat in the plane of the utility model rocker arm transverse rollers coal-winning machine is settled and is adjusted: at first at the top of coal seam getting working face, be that certain stake is manually played at the adit place, dig out a breach at the place, main tunnel of coal seam getting working face and do the seat in the plane, to be positioned at steel cable 36 on the coal-winning machine reel 6 of indentation, there pulls out and is fixed in the fixed stake, traction steel rope of cable with the auxiliary traction elevator is fixed on the draw hook 34 at body 2 rear portions simultaneously, make the coal-winning machine integral inclination, allow body 2 and Rocker arm 4 afterbody up, the front portion down, ajust along the coal seam getting working face, at this moment, coal-winning machine is together with slide plate 7 just in time in the above-mentioned breach that has dug of slippage, connect power supply, slowly move up by auxiliary traction elevator haulage shearer, all move on the getting working face of coal seam until body 2, then cylinder 5 just contacts with the vertical plane of coal seam getting working face.
Two, the mining process of the utility model rocker arm transverse rollers coal-winning machine: (1), remove auxiliary stand seat and skid after, re-lay, install other supporting facility, can mine; (2), make power chain 3 operations, drive vertical forward and backward power transmission shaft 11,12 synchronous outputting powers by main driving wheel on the direct drive motors main shaft 8 of fire-proof motor 9 and a pair of auxiliary driving wheel 10 engagements; (3), the spur gear 15 that front propeller shaft 11 terminal bevel gears 13 drive on a bevel gear shaft 14 and the axle thereof rotates, spur gear 15 drives three grades of travelling gears 16 again and driving gearshaft at different levels 17 rotates, thereby drive gear shaft 22 rotations in final stage driving gearshaft 18 and the speed reducing transmission case 19 thereof, the rotation of gear shaft 22 makes cylinder 5 and the sprocket transmission device 23 on this rotate, pick 28 on cylinder 5 and the drive link 27 is made synchronous around the movement thereupon together, finish the digging of coal and the output of coal, coal after the digging promptly falls in the enameled trough that is laid on the digging tunnel along the spiral chute on the cylinder 5, because angle of inclination, digging tunnel is bigger, the speed that coal can be accelerated to slip through enameled trough, directly slip in the main tunnel of below, digging tunnel, be transported to ground through haulage device again; (4), the terminal worm screw 20 of inter-axle shaft 12 drives reel 6 rotations on worm-wheel shaft 21 and the axle thereof, steel cable 36 on the reel 6 constitutes the wire rope traction power chain under the effect of coal seam getting working face upper fixed fulcrum, realize with cylinder 5 rotations synchronous, thereby tighten up steel cable 36, make coal-winning machine slowly move up, climb along the coal seam getting working face; (5); direction and body 2 protection of coal-winning machine in digging is moved; by four abrasion-proof safety wheel, 33 controls that are arranged on 2 four jiaos of bodies; when body in the moving process 2 runs into coal seam getting working face bending; because the two-wheeled outboard shafts of four abrasion-proof safety wheel 33 is apart from the exterior contour size greater than body 2 and cylinder 5 on the body 2; so four abrasion-proof safety wheel 33 all contact with the wall of coal seam getting working face earlier; and along with pure rolling takes place the mobile abrasion-proof safety wheel 33 that makes of coal-winning machine; the guiding coal-winning machine is close to wall and is moved; automatically the control reach is to the position; simultaneously also protected body 2 and cylinder 5 not to be collided, finished until the whole diggings in coal seam herein.
Three, the transition of the utility model rocker arm transverse rollers coal-winning machine: after (1), coal seam digging are finished, when needing transition, auxiliary stand seat and skid are seated in body 2 belows, open the auxiliary traction elevator of top, digging tunnel, coal-winning machine is slowly moved down, all move on auxiliary stand seat and the skid until coal-winning machine, and insert the support connecting hole with bolt and fixed; (2), utilize the wheel function of auxiliary skid, make the coal-winning machine on the auxiliary skid slowly slide into main tunnel down, so far the inclination angle, tunnel is in coal seam, structure bottom surface, the full face mining process end of girdle more than 25 °.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703294 CN203097891U (en) | 2012-12-19 | 2012-12-19 | Rocker type transverse drum shearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703294 CN203097891U (en) | 2012-12-19 | 2012-12-19 | Rocker type transverse drum shearer |
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| Publication Number | Publication Date |
|---|---|
| CN203097891U true CN203097891U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703294 Expired - Lifetime CN203097891U (en) | 2012-12-19 | 2012-12-19 | Rocker type transverse drum shearer |
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| Country | Link |
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| CN (1) | CN203097891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979521A (en) * | 2012-12-19 | 2013-03-20 | 湖南科技大学 | Rocker-type transverse shearer |
| CN103742133A (en) * | 2014-02-10 | 2014-04-23 | 刘春生 | Drum type cutting tooth chain transmission shearer cutting part |
| CN105443125A (en) * | 2015-12-24 | 2016-03-30 | 王洁 | Dragging type coal mining machine |
-
2012
- 2012-12-19 CN CN 201220703294 patent/CN203097891U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979521A (en) * | 2012-12-19 | 2013-03-20 | 湖南科技大学 | Rocker-type transverse shearer |
| CN103742133A (en) * | 2014-02-10 | 2014-04-23 | 刘春生 | Drum type cutting tooth chain transmission shearer cutting part |
| CN103742133B (en) * | 2014-02-10 | 2016-04-27 | 刘春生 | Pick Chain conveyer slicing portion of drum shearer |
| CN105443125A (en) * | 2015-12-24 | 2016-03-30 | 王洁 | Dragging type coal mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150114 |
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| RGAV | Abandon patent right to avoid regrant |