Low seam mining machinery side arm formula cutting means
One, technical field
The utility model relates to a kind of coal-winning machine parts, is a kind of side arm formula cutting means that is applicable to low seam mining machinery.
Two, background technology
Problems such as at present, it is poor that the cylinder effect of loading coal all appears in the existing low seam mining machinery, the particularly coal-winning machine in 0.6 meter to 1.5 meters scope of mining height that adopt in the colliery, and efficient is low.Its main cause is that coal-winning machine coal cutting portion is arranged on the scratch board conveyor, coal port between cutting part and the scraper plate machine is very little, the passage of coalingging is not smooth, the helix drum structure is not suitable for, cause in the process of coalingging circulation coal amount excessive, have a strong impact on effect of loading coal, must under the condition of non-support, carry out hand-filling, be difficult to adapt to the requirement of girdle coal mining safety, High-efficient Production by the workman.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can improve the low seam mining machinery effect of loading coal significantly, coal mining activity safety, the low seam mining machinery side arm formula cutting means that efficient is high.
The purpose of this utility model can realize by following technical measures:
Low seam mining machinery side arm formula cutting means, by one, two, three, idler shaft, power output shaft, motor, helix drum and casing are formed, it is characterized in that: motor is installed on casing, the output shaft of motor links to each other with one, there are in parallel two and three on one right side, all dynamic travelling gear on three axles, gears engaged on gear on one and two, gears engaged on gear on two and three, the casing on three right sides has one to the U of recurve font connecting lever, on the casing of the bottom of U font connecting lever, be equipped with and three parallel idler shafts, on the casing on U font connecting lever right side, power output shaft is installed, all dynamic travelling gear on the rear end of three and power output shaft and idler shaft, the gear of three shaft rear ends and the gears engaged on the idler shaft, the gears engaged of the gear on the idler shaft and the rear end of power output shaft, power output shaft are stretched out casing forward, in the front portion of power output shaft helix drum are installed.
The purpose of this utility model can also realize by following technical measures:
The idler shaft of installing on the casing of the bottom of U font connecting lever is one, or for be horizontally disposed with successively from left to right be parallel to each other 2---4, the gear on two adjacent idler shafts is meshing with each other.
The front portion of power output shaft of the present utility model is a square shaft, and the connecting hole that the center at helix drum rear portion has the square shaft with the power output shaft front portion to be complementary, both suits connect also uses bolt.
Helix drum described in the utility model is by end plate, the tube hub, pressing plate, bolt, helical blade, toothholder, pick, nozzle, the internal spraying passage, plinth is formed, end plate and helical blade are welded on the hub, the connecting hole that tube hub center has the square shaft with the power output shaft front portion to be complementary, the tube hub is connected with the power output shaft suit and uses bolt, toothholder is welded on end plate and the helical blade, be fixed with pick on the toothholder, the pick at end plate edge is to the outside and the anterior inclination at end plate edge, in end plate and the helical blade spray channel is arranged, the internal spraying nozzle is housed on end plate and the helical blade, the spray water import of nozzle links to each other with spray channel, the spray water import of the hollow hole in the power output shaft is equipped with plinth, the spray water outlet of the hollow hole in the power output shaft and the intracavity inter-connection of plinth, the intracavity inter-connection of spray channel and plinth.
Pick described in the utility model is a pick shape, or is flat, and it is three helixes of three that the arrangement of helical blade on helix drum is a number.
The transmission mechanism of above-mentioned the utility model cutting means is arranged on the goaf side of cutting units, become side spill arm configuration layout type, it is goaf one side that transmission mechanism is arranged in cutting units, actuating unit is connected with the power output shaft of cut helix drum, reserves one between side arm and the cut helix drum and goes out coal channel.Helix drum is connected with square shaft with power output shaft, be divided into left-handed and the right hand helix cylinder according to the cut direction, during the helix drum rotation, rely on the pick of arranging on end plate and the blade to go deep into coal body and cut coal breakage, the cylinder blade is three stature numbers, difference according to diameter of cylinder is welded on the hub with different lead angles, helical pitch and cornerite, and the coal cinder that drive falls moves vertically and pushes on the conveyer.Pick-like bit helix drum design has the frame mode of three kinds of diameter of cylinder such as ¢ 900mm, ¢ 1000mm, ¢ 1100mm, ¢ 1250mm (distance that refers to pick point and pick point in the cylinder); Flat pick helix drum intended diameter is five kinds of diameter of cylinder frame modes such as ¢ 650mm, ¢ 750mm, ¢ 850mm, ¢ 900mm, ¢ 1000mm, ¢ 1100mm, ¢ 1250mm.
The utility model compared with prior art has following advantage:
1, side arm topology layout and three helix drums, the transmission mechanism that traditional obstruction coal is circulated is arranged in the cutting means goaf side, constitutes side arm topology layout mode, has opened up out the follow-up passage of coalingging of cylinder coal breakage, has expanded the space of coalingging.
2, be equipped with three novel helix drum structure designs, improved the cylinder effect of loading coal significantly.Thereby solved low seam mining machinery because cylinder is coaling not freely, influenced the problem of coal mining efficient and safety in production, alleviated labor strength, improved the coal production rate.
Four, description of drawings:
Fig. 1 is the front view of low seam mining machinery side arm formula cutting means structural representation
Fig. 2 is the vertical view (analysing and observe) of low seam mining machinery side arm formula cutting means structural representation
Fig. 3 is the front view (analysing and observe) of pick-like bit helix drum structure chart
Fig. 4 is the left view of pick-like bit helix drum structure chart
Fig. 5 is the expanded view of three pick-like bit helix drums
Fig. 6 is the front view (analysing and observe) of flat pick helix drum structure chart
Fig. 7 is the expanded view of three flat pick helix drums
Five, the specific embodiment:
Fig. 1-shown in Figure 5: low seam mining machinery side arm formula cutting means, form by one 1, two 2, three 3, idler shaft 4, power output shaft 5, motor 6, helix drum 7 and casing 8.Motor 6 is installed on casing 8, the output shaft of motor 6 links to each other with one 1, there are in parallel two 2 and three 3 on one 1 right side, all dynamic travelling gear on three axles, gears engaged on gear on one 1 and two 2, gears engaged on gear on two 2 and three 3, the casing 8 on three 3 right sides has one to the U of recurve font connecting lever, on the casing 8 of the bottom of U font connecting lever, be equipped with and three 3 parallel idler shafts 4, on the casing 8 on U font connecting lever right side, power output shaft 5 is installed, all dynamic travelling gear on the rear end of three 3 and power output shaft 5 and idler shaft 4, gears engaged on the gear of three 3 rear ends and the idler shaft 4, the gears engaged of the rear end of gear on the idler shaft 4 and power output shaft 5, power output shaft 5 stretches out casing 8 forward, in the front portion of power output shaft 5 helix drum 7 is installed.The idler shaft of installing on the casing 8 of the bottom of U font connecting lever 4 is for to be horizontally disposed with two that are parallel to each other successively from left to right, and the gear on two adjacent idler shafts 4 is meshing with each other.The front portion of power output shaft 5 is a square shaft, and the connecting hole that the center at helix drum 7 rear portions has the square shaft with power output shaft 5 front portions to be complementary, both suits connect also to be fixed with bolt 9.Described helix drum 7 is by end plate 10, tube hub 11, pressing plate 12, bolt 13, helical blade 14, toothholder 15, pick 16, nozzle 17, internal spraying passage 18, plinth 19 is formed, end plate 10 is welded on the hub 11 with helical blade 14, the connecting hole that tube hub 11 centers have the square shaft with power output shaft 5 front portions to be complementary, tube hub 11 is connected with power output shaft 5 suits and is fixing with bolt 9, toothholder 15 is welded on end plate 10 and the helical blade 14, be fixed with pick 16 on the toothholder 15, the pick 16 at end plate 10 edges is to the outside and the anterior inclination at end plate 10 edges, in end plate 10 and the helical blade 14 spray channel 18 is arranged, on end plate 10 and the helical blade 14 internal spraying nozzle 17 is housed, the spray water import of nozzle 17 links to each other with spray channel 18, the spray water import of the hollow hole in the power output shaft 5 is equipped with plinth 19, the spray water outlet of the hollow hole in the power output shaft 5 and the intracavity inter-connection of plinth 19, the intracavity inter-connection of spray channel 18 and plinth 19.Described pick 16 is a pick shape, and it is three helixes of three that the arrangement of helical blade 14 on helix drum 7 is a number.The interface that installs and fixes with external equipment is arranged in the left side of casing 8.
Fig. 6---shown in 7: the pick 16 on the helix drum 7 is a pick shape, and it is three helixes of three that the arrangement of helical blade 14 on helix drum 7 is a number.
The utility model is that the output shaft by the cutting motor of installing on casing 8 side arms 6 links to each other with one 1, give three 3 transmission of power by two 2, by two idler shafts 4 power is passed to power output shaft 5 again for three 3, drive helix drum (dividing two kinds of pick shape and flat picks) 7 rotations, power output shaft 5 is connected for square shaft with helix drum 7 and is fixing with bolt 9.The above kind of drive will hinder the transmission mechanism of coal circulation to be arranged in goaf one side, concavity side arm topology layout mode, and actuating unit links to each other with the main shaft of helix drum, reserves one between side arm and the helix drum and goes out coal channel, has expanded coal dropping port.Helix drum divides pick shape and flat pick to be used for coal breakage and coalingging for two kind 7, its frame mode is: end plate 10 is welded on the hub 11 with helical blade 14, tube hub 11 is connected for square toes with power output shaft 5 and is fixing with bolt 9, toothholder 15 is welded on end plate 10 and the helical blade 14, be fixed with in the toothholder 15 and be used for the pick 16 of coal breakage, helical blade 14 is used for pushing the coal that falls to conveyer, collide in rib for preventing end plate 10, the pick at end plate 10 edges is oblique to the rib inclination, the nozzle 17 that internal spraying is used is housed on the helical blade 14, to reduce dust content, spray water is to be incorporated into plinth 19 by the hollow hole in the power output shaft 5, internal spraying passage 18 through end plate 10 and helical blade 14 is sent to the outwards vaporific press water of injection of nozzle 17, reduces dust content; 14 space curved surfaces of forming by several helixes of nothing of the helical blade of three stature numbers, be welded on the hub with different lead angles, helical pitch, cornerite, the pick 16 of helix drum 7 is arranged, and carries out different pick arrangement according to different atures of coal, satisfies broken and the needs of coalingging.The above kind of drive is the coal that the helix drum rotation falls through the pick cutting, by according to the difference of diameter of cylinder with the helical blade on three helix drums of different lead angles, helical pitch and cornerite, the coal cinder that drive falls moves vertically and pushes on the conveyer, has improved the effect of loading coal of low seam mining machinery cylinder.