CN201661297U - Bridge type coal mining machine - Google Patents
Bridge type coal mining machine Download PDFInfo
- Publication number
- CN201661297U CN201661297U CN2010202928322U CN201020292832U CN201661297U CN 201661297 U CN201661297 U CN 201661297U CN 2010202928322 U CN2010202928322 U CN 2010202928322U CN 201020292832 U CN201020292832 U CN 201020292832U CN 201661297 U CN201661297 U CN 201661297U
- Authority
- CN
- China
- Prior art keywords
- coal
- bridge
- winning machine
- machine
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a coal mining machine, in particular to a bridge type coal mining machine which can reduce the minimum thickness of a minable coal layer, increase the coal through height between the coal mining machine and a conveying machine, widen the using range of the coal mining machine, and increase the production efficiency. The bridge type coal mining machine comprises a gap bridge (11), a machine body (9) is arranged on the side end face of the conveying machine (10) near the coal wall side, the gap bridge (11) is arranged right above the working surface of the conveying machine (10), under the gap bridge (11) is a coal through space, the coal mining machine walks along the conveying machine (10) in a reciprocating manner, and the coal through height (d) under the gap bridge (11) is within 30 to 32cm. The bridge type coal mining machine is suitable for the working surface of the comprehensive thin coal mining layer, the minimum minable thickness of the coal layer is small, and the coal through height between the coal mining machine and the conveying machine is large.
Description
Technical field
The utility model relates to a kind of coal-winning machine that the colliery mining face under mine uses, and belongs to the coal-cutting machinery technical field.
Background technology
Along with being exploited gradually of underground coal resource, the exploitation difficulty is increasing, improves the production efficiency of girdle, reduces ton coal mining cost, improves the job safety coefficient simultaneously, is the top priority in collieries at different levels.Existing most of low seam mining machinery as shown in Figure 1, the fuselage 1 of coal-winning machine be positioned at face conveyor 2 directly over, pin row 4 engagements by road wheel 3 and transporter 2 make coal-winning machine back and forth walking on pin row 4, then support on the ledge 6 of transporter by supporting 5 near the rib side.The cutting units 7 of coal-winning machine is also most of to be linked together by hinge and fuselage directly over face conveyor, and drive motors on the cutting units and reducer drive helix drum 8 and finish coal breakage and coaling operation.This complete machine arrangement has limited the machine height a of coal-winning machine can not be too little, just limited the minimum thickness b of coal-winning machine minable coal seam, thereby just limited the scope of application of coal-winning machine.Adopt the minimum thickness of inadequate reduction even adopt high-grade conventional mining to replace combining, but the job safety coefficient reduces greatly.Underneath clearance c between the plate is little below the fuselage and in the face conveyor, makes that the speed of the coal of transportation under adopting is low, thereby has reduced production efficiency.
The utility model content
The utility model for the machine height that reduces coal-winning machine that is reduce the minimum thickness of minable coal seam and increase underneath clearance between coal-winning machine and the transporter, widen coal-winning machine the scope of application, enhance productivity, and then provide a kind of bridge-type coal-winning machine.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model is separated described bridge-type coal-winning machine fuselage and gap bridge, fuselage is arranged on the side end face of close rib side of face conveyor, gap bridge be arranged on transporter directly over, space above the middle plate of the following and transporter of passing a bridge was the coal space, the height in this space is a underneath clearance, and underneath clearance is 30 ㎝～32cm.
The beneficial effects of the utility model are: the structural configuration of bridge-type coal-winning machine described in the utility model, realized in the mining height lower limit that reduces coal-winning machine, having increased underneath clearance, and improved the utilization rate and the production efficiency of coal resources greatly.The utility model is that the fuselage with coal-winning machine is arranged in face conveyor rib side, with the face conveyor engagement coal-winning machine is back and forth walked by the gap bridge that is fixedly connected with fuselage and with the walking mechanism that is fixedly connected of passing a bridge on transporter.The second level driving-chain of haulage gear is the planetary reduction gear form on the fuselage, and final stage is slowed down and to be the secondary driving of parallel axes, and the last level of whole driving-chain is positioned on the walking mechanism, crosses an axle transfer torque by being positioned on the gap bridge between this two-stage transmission.Owing to pass a bridge to go up no large-sized mechanical drive train, thereby thereby the local size of gap bridge is dwindled reach the increase underneath clearance purpose of reduction machine height, and then it is wider to reach the coal-winning machine scope of application, the target that production efficiency is higher.Coal-winning machine described in the utility model is applicable to combine adopts thin seam working surface, and the minimum workable thickness in coal seam is little, can reach 0.85 meter, and the underneath clearance between coal-winning machine and the transporter is big, can reach more than 0.3 meter.
Description of drawings
Fig. 1 is the structural representation of conventional coal-winning machine; Fig. 2 is a structural representation of the present utility model; Fig. 3 is a plan structure schematic diagram of the present utility model.
The specific embodiment
The specific embodiment one: shown in Fig. 2～3, the described bridge-type coal-winning machine of present embodiment comprises fuselage 9 and passes a bridge 11, fuselage 9 is arranged on the side end face of close rib side of face conveyor 10, pass a bridge 11 be arranged on transporter 10 directly over, space above the middle plate of the following and transporter 10 of gap bridge 11 was the coal space, the height in this space is underneath clearance d, and underneath clearance d is 30 ㎝～32cm.Coal-winning machine is back and forth walked along transporter 10.The height of the described bridge-type coal-winning machine of present embodiment minable coal seam is minimum to reach 0.85 meter, and the underneath clearance between coal-winning machine and the transporter can reach more than 0.3 meter.
As shown in Figure 2, the fuselage 9 of coal-winning machine is arranged in the rib side of face conveyor 10, at the former fuselage 1(of conventional coal-winning machine referring to Fig. 1) on the position one of design pass a bridge 11, be the coal space below the gap bridge.Such layout makes motor on the fuselage 9 and gear drive not directly over transporter 10, and passing a bridge 11 li does not have big machine driving and motor, and the underneath clearance d that pass a bridge below 11 increase greatly.Simultaneously, the fuselage layout that can dip, the 11 close top shapes by working surface hydraulic support 12 of adopting the sky side of passing a bridge are got shape, increased the space e above the coal-winning machine and between below the hydraulic support, promptly reduce coal-winning machine and the transporter machine height f after supporting, that is reduced the minimum altitude g of coal-winning machine minable coal seam.
The specific embodiment two: as shown in Figure 3, the described coal-winning machine of present embodiment also comprises haulage gear and walking mechanism 21, described haulage gear is by the planetary reduction gear transmission 18 of third level driving-chain, cross axle 22, slow down and constitute with driving of parallel axes assembly 19 and first order deceleration transmission assembly 20 in the second level, described walking mechanism 21 is installed on the transporter 10, first order deceleration transmission assembly 20 is positioned on the walking mechanism 21, slow down and are connected with driving of parallel axes assembly 19 in third level driving-chain 18 and the second level, double reduction usefulness driving of parallel axes assembly 19 passed through spools 22 and is connected with first order deceleration transmission assembly 20.Other composition and annexation are identical with the specific embodiment one.
The driving-chain design of haulage gear is arranged in planetary reduction gear 18 in the third level deceleration, and the final stage deceleration transmission of haulage gear is the transmission of parallel axes straight-tooth, and has one-level to be positioned on the walking mechanism.Transmission of power between haulage gear and the walking mechanism realizes by the axle 22 of crossing that is positioned on the gap bridge 11.
The specific embodiment three: as shown in Figure 3, the described coal-winning machine of present embodiment also comprises positioning spigot 13, long studs 14, nut 15 and hydraulic nut 16; Shearing force is born in fuselage 9 and the translation and the rotation of passing a bridge and limiting in the mating faces by positioning spigot 13 between 11; Long studs 14 and hydraulic nut 16, nut 15, high-strength bolt 17 limits the vertical translation on both mating faces, bears tensile force.Other composition and annexation are identical with the specific embodiment one or two.
Among Fig. 3, coal-winning machine fuselage 9 is disposed in the rib side of transporter, by the positioning spigot 13 restriction fuselages 9 and 11 translation and the rotations of passing a bridge along both mating faces, with fuselage 9 with pass a bridge and 11 be linked together securely, limit both by stay bolt 14, nut 15, hydraulic nut 16, high-strength bolt 17 along translation perpendicular to the mating face direction.Face conveyor is under gap bridge 11, the third level driving-chain 18 of haulage gear is the planetary reduction gear form on the fuselage, then the one-level deceleration is the driving of parallel axes 19, afterbody deceleration transmission 20 is positioned on the walking mechanism 21, crosses axle 22 transfer torques by being positioned to pass a bridge on 11 between this two-stage transmission.Owing to changed traditional transmission planetary reduction gear is arranged in the way of driving-chain least significant end, makes the no large-sized mechanical drive train on 11 of passing a bridge, thereby thereby 11 the local size of passing a bridge is dwindled reach the increase underneath clearance, the purpose of reduction machine height.
Claims (3)
1. bridge-type coal-winning machine, it is characterized in that: described coal-winning machine comprises fuselage (9) and pass a bridge (11), fuselage (9) is arranged on the side end face of close rib side of face conveyor (10), pass a bridge (11) be arranged on transporter (10) directly over, space above the middle plate of the following and transporter (10) of gap bridge (11) was the coal space, the height in this space is underneath clearance (d), and underneath clearance (d) is 30 ㎝～32cm.
2. bridge-type coal-winning machine according to claim 1, it is characterized in that: described coal-winning machine also comprises haulage gear and walking mechanism (21), described haulage gear is by the planetary reduction gear transmission (18) of third level driving-chain, cross axle (22), slow down and constitute with driving of parallel axes assembly (19) and first order deceleration transmission assembly (20) in the second level, described walking mechanism (21) is installed on the transporter (10), first order deceleration transmission assembly (20) is positioned on the walking mechanism (21), third level driving-chain (18) slows down with the second level and is connected with driving of parallel axes assembly (19), and double reduction passed through axle (22) with driving of parallel axes assembly (19) and is connected with first order deceleration transmission assembly (20).
3. bridge-type coal-winning machine according to claim 1 and 2, it is characterized in that: described coal-winning machine also comprises positioning spigot (13), long studs (14), nut (15) and hydraulic nut (16), by translation and rotation in positioning spigot (13) the restriction mating face, bear shearing force between fuselage (9) and the gap bridge (11); Long studs (14) and hydraulic nut (16), nut (15), high-strength bolt (17) limits the vertical translation on both mating faces, bears tensile force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202928322U CN201661297U (en) | 2010-08-16 | 2010-08-16 | Bridge type coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202928322U CN201661297U (en) | 2010-08-16 | 2010-08-16 | Bridge type coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661297U true CN201661297U (en) | 2010-12-01 |
Family
ID=43231712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202928322U Expired - Fee Related CN201661297U (en) | 2010-08-16 | 2010-08-16 | Bridge type coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889080A (en) * | 2012-10-29 | 2013-01-23 | 中国矿业大学 | Dragging part of torque shunting thin coal layer mining machine |
| CN108612528A (en) * | 2018-04-13 | 2018-10-02 | 山东里能鲁西矿业有限公司 | One kind cutting vulcanization body tuberculosis heavy low seam mining machine |
-
2010
- 2010-08-16 CN CN2010202928322U patent/CN201661297U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889080A (en) * | 2012-10-29 | 2013-01-23 | 中国矿业大学 | Dragging part of torque shunting thin coal layer mining machine |
| CN102889080B (en) * | 2012-10-29 | 2015-05-20 | 中国矿业大学 | Dragging part of torque shunting thin coal layer mining machine |
| CN108612528A (en) * | 2018-04-13 | 2018-10-02 | 山东里能鲁西矿业有限公司 | One kind cutting vulcanization body tuberculosis heavy low seam mining machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201661297U (en) | Bridge type coal mining machine | |
| CN201980680U (en) | Lifting device for oil well pipe | |
| CN202370514U (en) | Chainless traction walking mechanism for coal mining machine | |
| CN200995925Y (en) | Structure-improved elevator tractor | |
| CN201679926U (en) | Composite structure of force increasing lever gear | |
| CN201843612U (en) | Heavy-duty horizontal-shaft-type cutting cylinder for hard rock boring machine | |
| CN201376846Y (en) | Pneumatic ring chain hoist | |
| CN101905799A (en) | Scraping plate of conveyer | |
| CN201694608U (en) | E-shaped bolt of scraper conveyor | |
| CN204588414U (en) | A kind of counterweight housing of elevator | |
| CN205778852U (en) | High working face shearer hauled-part with cutting mechanism | |
| CN102889080B (en) | Dragging part of torque shunting thin coal layer mining machine | |
| CN104971796A (en) | Hammer crusher directly driven through permanent magnet synchronous variable-frequency motor | |
| CN202220603U (en) | Power split type dead axle transmission gear train for traction box of coal m ining machine | |
| CN200946511Y (en) | Thin coal layer coal cutter with specially-arranged motor | |
| CN201835866U (en) | Scraper conveyor for thin seams | |
| CN203925492U (en) | Thin and medium-thickness seam high bearing capacity walking wheel of coal cutter | |
| CN200999612Y (en) | Split combination type kerving machine | |
| CN105351474A (en) | Composite overflow valve external type hydraulic torque converter | |
| CN107035368A (en) | Suddenly incline pseudo- tiltedly shearer hauled-part of bowing | |
| CN202983877U (en) | Large high-efficiency primary magnetic separator | |
| CN202325506U (en) | pin rail for coarse-pitch scraper conveyor | |
| CN202687342U (en) | Machine head transmission device of conveyor with large dip angle | |
| CN206249901U (en) | A kind of multi-functional slide unit of triple speed movement | |
| CN202464650U (en) | Four-chain balancing device of mine chain bucket elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20160816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |