CN2675863Y

CN2675863Y - Raw coal slot-cutting machine

Info

Publication number: CN2675863Y
Application number: CN 200420016481
Authority: CN
Inventors: 田世柏; 王成跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-29
Filing date: 2004-07-29
Publication date: 2005-02-02
Anticipated expiration: 2014-07-29

Abstract

The utility model relates to a cutting coal seam machine while cutting coal for producing block coal, comprising a power engine assembly, a walking mechanism, an explosion-proof equipment and a hydraulic driving system. The characters are that the main frame of the raw coal slot-cutting machine is installed on the bicycle frame of a power vehicle, and a lateral movable frame is hung on the hanging frame of the main frame. A back and forth construction frame is installed on a sliding rail through a pulley. One end of a two-knife rest for rising and falling cylinder is installed on the beam of the lateral movable frame, and the other end is installed on the rocker arm connected with a hollow shaft. Under the action of the knife rest for rising and falling cylinder, a cantilever knife rest drives the cutter positioned on a cutter chain to cut grooves. Compared with the present art, the utility model has the following advantages and effects: Good resistance to implosion conforms the requirement of safe in production. The utility model has small volume, light weight, simple operation and flexible movement. Neat and standard working face and small destruction can reduce the cost of mining coal. The high yield rate of coal block, good quality and no friability can improve economic benefit, especially be good for smoke-free coal.

Description

The raw coal slot-cutting machine

Technical field

The utility model belongs to the coal-cutting machinery technical field, the facility in cutting coal seam when specifically being a kind of coal mining that is used to produce lump coal.

Background technology

In the prior art, the production of lump coal reinstalls the explosive exploitation or the fried coal that directly punches after mostly adopting cutting coal machine, artificial grooving, and this several method is the wasting manpower and material resources not only, and the lump coal quantity of producing is few, quality is poor, can not make full use of resource.Just become medium and small colliery problem anxious to be solved so effectively solve the production of lump coal.

Summary of the invention

The utility model solved existing lump coal produce in the technical problem of coal seam grooving difficulty, a kind of three cover frame construction combinations, hydraulic drive, the neat standard of fluting work plane, raw coal slot-cutting machine that the lump coal output capacity is high are provided.

The utility model is realized by following technical proposal, a kind of raw coal slot-cutting machine, include engine general name and walking mechanism, explosion-protection equipment and Hydraulic Power Transmission System, the main frame that it is characterized in that the raw coal slot-cutting machine is contained on the vehicle frame of power car, laterally movable machine frame is suspended on the hanger bracket of main frame, the advance and retreat frame is contained on the slide rail by pulley, on the movable machine frame, the twice slide rail respectively is housed on the underframe, one end of two knife rest hoist cylinders is contained on the crossbeam of horizontal movable machine frame, on the rocking arm that the other end is contained in hollow shaft links to each other, the cylinder barrel rear end of advance and retreat oil cylinder links to each other with the front and back base of frame of horizontal movable machine frame respectively, the piston rod front end of advance and retreat oil cylinder links to each other with the framework of advance and retreat frame respectively, the cutter power transmission shaft is contained on the advance and retreat frame by bearing support, the two axial ends of cutter power transmission shaft is equipped with cutter sprocket wheel and cantilevered knife rest, laterally on the side arm of movable machine frame transverse moving mechanism is housed, the high-pressure water pipe that links to each other with water pump is contained in the top of cutter, can be on the cutting coal seam with high pressure water jets, to eliminate the spark that is produced in the cutting, reach explosion-proof purpose.

Raw coal slot-cutting machine described in the utility model is characterized in that the front end of described cantilevered knife rest is equipped with the sprocket wheel that is meshed with the cutter chain, and the cutter chain is bearing on the knife rest, makes the cutting blade can normal operation.

Transverse moving mechanism described in the utility model is made up of horizontal mobile worm screw, worm screw handwheel, worm gear and transmission nut, the transmission nut that links to each other with horizontal movable machine frame is contained on the screw rod, screw rod and worm gear are contained in the same rotating shaft, rotating shaft is contained on the main frame, laterally but the movable machine frame move left and right is cut the width in coal seam with adjustment.

Several cutteves of the present utility model are contained on the chain link of cutter chain, rotate with chain.

Cutter power transmission shaft described in the utility model links to each other with final drive shaft with gearbox through cutting gearbox, power transmission shaft, and final drive shaft links to each other with the output shaft of engine through the main-gear box chain wheel driving mechanism.

Gearbox of the present utility model, cutting gearbox are contained on the advance and retreat frame, can move forward and backward with the advance and retreat frame, to guarantee the normal operation of cantilevered knife rest.

The utility model compared with prior art has the following advantages and effect: 1, this machine is to carry out improvedly on the basis of existing small-sized explosion-proof engine (explosion-proof tricycle, carriage or small-sized electric car), meets requirement of safe production; 2, this body is long-pending little, in light weight, simple to operate, moves flexibly, only needs 1-2 people just can operate the outer form height 1.4m of this machine, wide 1.4m, long 3.4m; 3, about this machine cutting knife can be installed, depth of cut is at 1.5-2.0m, and height is at 2-3m, and width is at 0.06m, and a cutting machine only needed to finish in 15 minutes; 4, the neat standard of this machine work plane, destructive little, explosive consumption can reduce 70-80%, and pin can reduce about 30%, can effectively avoid rolling over the generation of accidents such as wall, roof fall, has effectively got rid of potential safety hazard; 5, this machine-made egg-shaped or honey-comb coal briquets piece output height is of good quality, non-friable, has improved economic benefit, especially to the anthracite better effects if.

Description of drawings

Fig. 1 is the main TV structure figure of raw coal slot-cutting machine

Fig. 2 is that the C of Fig. 1 is to view

Fig. 3 is the A-A sectional view of Fig. 2

Fig. 4 is the vertical view of slot-cutting machine part among Fig. 1

Fig. 5 is the A-A sectional view of Fig. 1

Among the figure: 1-sprocket wheel 2-chain 3-power transmission shaft sprocket wheel 4-main-gear box 5-final drive shaft 6-gearbox 7-power transmission shaft 8-cutting gearbox 9-cutter power transmission shaft 10-cutter sprocket wheel 11-cutter chain 12-knife rest 13-hydraulic system console 14-knife rest hoist cylinder 15-advance and retreat oil cylinder 16-advance and retreat oil cylinder 17-blast pipe and the horizontal movable machine frame 25-advance and retreat of silencer 18-water tank 19-oil pump 20-water pump 21-cutter 22-high-pressure water pipe 23-main frame 24-frame 26-transverse shifting worm screw 27-worm screw handwheel 28-worm gear 29-transmission nut 30-screw rod 31-link 32-hanger bracket 33-slide rail 34-pulley 35-bearing block 36-rotating shaft 37-engine vehicle frame 38-rocking arm

The specific embodiment

In conjunction with the accompanying drawings embodiment is further described, present embodiment is to be used for illustrating of the present utility model, rather than the utility model is carried out any restriction.

Present embodiment is to convert on the basis of explosion-proof tricycle, and the gas that the stack of anti-explosion diesel engine and sound absorber 17 discharged enters after water tank 18 coolings in the atmosphere eliminating Mars again, thereby reaches explosion-proof purpose.

The outer form height 1.4m of raw coal slot-cutting machine, wide 1.4m, long 3.4m, mainly form by main frame 23, horizontal movable machine frame 24 and advance and retreat frame 25 3 big frame textural associations, main frame 23 is contained on the power car vehicle frame 37, and laterally movable machine frame 24 is suspended on by link 31 on the hanger bracket 32 of main frame 23, and operation worm screw handwheel 27 makes horizontal mobile worm screw drive worm gear 28, screw rod 30 and transmission nut 29, make horizontal movable machine frame 24 move left and right, adjust the cutting distance; Advance and retreat frame 25 is contained on the slide rail 33 by pulley, twice slide rail 33 is fixed on the underframe of horizontal movable machine frame 24, advance and retreat frame 25 is contained on the slide rail 33 by pulley, on the upper and lower framework of movable machine frame 24 twice slide rail 33 is housed respectively, movable machine frame 24 moves forward and backward according to the cutting needs under the effect of advance and

retreat oil cylinder

15,16.

One end of two knife rest hoist cylinders 14 described in the utility model is contained on the crossbeam of horizontal movable machine frame 24, the other end is contained on the rocking arm 38 that links to each other with hollow shaft, knife rest hoist cylinder 14 is the liftings that are used for cutting knife, when spurring the combined operation valve of hydraulic system console 13, the oil that oil pump 19 is extracted out from fuel tank enters knife rest hoist cylinder 14 through pipeline, piston pulling rocking arm 38 in the oil cylinder rotates hollow shaft at this moment, hollow shaft and rocking arm 38, knife rest 12 are rigidly connected for one, thereby use knife rest to lift, carry out the cutting in coal seam.

Cutter power transmission shaft 9 of the present utility model is contained on the advance and retreat frame 25 by bearing support 35, the two axial ends of cutter power transmission shaft 9 is equipped with cutter sprocket wheel 10 and cantilevered knife rest 12, cantilevered knife rest 12 convenient disassemblies, when the groove of the cutting left side, be contained in the left end of cutter power transmission shaft 9, when the groove of cutting the right, then can be contained in the right-hand member of cutter power transmission shaft 9, can finish the grooving of raw coal once overlapping cantilevered knife rest 12, save power.

The cylinder barrel rear end of advance and

retreat oil cylinder

15,16 of the present utility model links to each other with the front and back base of frame of horizontal movable machine frame 24 respectively, and the piston rod front end of advance and

retreat oil cylinder

15,16 links to each other with the framework of advance and retreat frame 25 respectively; Advance and retreat oil cylinder the 15, the 16th makes fluid pump in the oil cylinder through oil pipe from fuel tank through oil pump 19 by operation hydraulic system console 13, and oil cylinder pulling advance and retreat frame 25 moves forward and backward knife rest, adjusts depth of cut.

The utility model can prevent from owing to producing the gas explosion that spark causes, high-pressure water pipe 22 to be housed above cutter 21 when the cutting coal seam, in raw coal slot-cutting machine cutting process, water in high-pressure water pipe 22 water tanks is sprayed on the cutting coal seam,, reaches explosion-proof purpose with arc control.

The front end of cantilevered knife rest 12 described in the utility model is equipped with the sprocket wheel 10 that is meshed with cutter chain 11, and cutter chain 11 is bearing on the knife rest 12, makes the cutting blade can normal operation.

Several cutteves 21 are housed on the cutter chain 11 of the present utility model, on the chain link that cutter is contained in, can rotate with chain.

Gearbox 6 of the present utility model, cutting gearbox 8 are contained on the advance and retreat frame 25, when cutting the coal seam operation, the power of gearbox 6 drives sprocket wheel 1 by diesel engine output and passes to main-gear box 4 by chain 2 drive power transmission shaft sprocket wheels 3, import in the gearbox 6 by final drive shaft 5 again, and after power transmission shaft 7 import into the cutting gearbox 8 in, cutting gearbox 8 imports cutter sprocket wheel 10 into by cutter power transmission shaft 9 again, rotates grooving and the cutting operation finished the coal seam; After grooving is finished, dose a spot of explosive in groove, the coal seam is blown, because of explosive consumption is few, institute's fried coal seam percentage of damage is low, so improved the output capacity of lump coal.

Claims

1, a kind of raw coal slot-cutting machine, include engine general name and walking mechanism, explosion-protection equipment and Hydraulic Power Transmission System, the main frame (23) that it is characterized in that the raw coal slot-cutting machine is contained on the engine vehicle frame (37), laterally movable machine frame (24) is suspended on the hanger bracket (32) of main frame (23), advance and retreat frames (25) are contained on the slide rail (33) by pulley, on the horizontal movable machine frame (24), twice slide rail (33) respectively is housed on the underframe, one end of two knife rest hoist cylinders (14) is contained on the crossbeam of horizontal movable machine frame (24), the other end is contained on the rocking arm (38) that links to each other with hollow shaft, advance and retreat oil cylinder (15), (16) cylinder barrel rear end links to each other with the front and back base of frame of horizontal movable machine frame (24) respectively, advance and retreat oil cylinder (15), (16) piston rod front end links to each other with the framework of advance and retreat frames (25) respectively, cutter power transmission shaft (9) is contained on the advance and retreat frames (25) by bearing support (35), the two axial ends of cutter power transmission shaft (9) is equipped with cutter sprocket wheel (10) and cantilevered knife rest (12), laterally on the side arm of movable machine frame (24) transverse moving mechanism (26) is housed, (27), (28) and (29), the high-pressure water pipe (22) that links to each other with water pump (20) is contained in the top of cutter (21).

2, raw coal slot-cutting machine according to claim 1 is characterized in that the front end of cantilevered knife rest (12) is equipped with the sprocket wheel (1) that is meshed with the cutter chain.

3, raw coal slot-cutting machine according to claim 1, it is characterized in that transverse moving mechanism is made up of horizontal mobile worm screw (26), worm screw handwheel (27), worm gear (28) and transmission nut (29), the transmission nut (29) that links to each other with horizontal movable machine frame (24) is contained on the screw rod (30), screw rod (30) is contained in the same rotating shaft (36) with worm gear (28), and rotating shaft (36) is contained on the main frame (23).

4, raw coal slot-cutting machine according to claim 1 and 2 is characterized in that several cutteves (21) are contained on the chain link of cutter chain (11).

5, raw coal slot-cutting machine according to claim 1 and 2, it is characterized in that described cutter power transmission shaft (9) links to each other with final drive shaft (5) with gearbox (6) through cutting gearbox (8), power transmission shaft (7), final drive shaft (5) links to each other with the output shaft of engine through main-gear box (4) chain wheel driving mechanism.

6, raw coal slot-cutting machine according to claim 1 or 5 is characterized in that gearbox (6), cutting gearbox (8) are contained on the advance and retreat frames (25).