CN101059162B - Speed reducer of continuous coal cutter - Google Patents
Speed reducer of continuous coal cutter Download PDFInfo
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- CN101059162B CN101059162B CN200710061538A CN200710061538A CN101059162B CN 101059162 B CN101059162 B CN 101059162B CN 200710061538 A CN200710061538 A CN 200710061538A CN 200710061538 A CN200710061538 A CN 200710061538A CN 101059162 B CN101059162 B CN 101059162B
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Abstract
The invention relates to a reducer of continuous coal getting machine cutting device, the main structure consists of upper shell, lower shell, left and right gear boxes, left and right planetary gear boxes, left and right splined shaft, left and right driving wheel hub, middle drive disc and cutting axle. It aims at the features of continuous coal getting machine cutting device working in coal mine rough environment, uses the designed structure combined by upper and lower shell, upper and lower and left and right gear boxes, splined shafts, the power is transmitted to bevel gear for varying speed through left and right splined shafts after left and right gear boxes varies speed, then the power is varied speed by left and right planetary gear boxes, then the power varied speed in three levels and three ways is transmitted to the cutting axle and cutting barrel for the cutting operation, so the combined design of double gear varying speed, double planetary gear varying speed, double bevel gear vertical reversal varying speed is formed, the varying speed mode combined the three levels and three ways improves the varying speed performance and the effect of cutting device significantly, enhances stability, reliability and security, the device has rational design, compact structure and whole seal explosion-proof, it is the ideal varying speed reducer of continuous coal getting machine cutting device and the device also can be used in other similar equippments.
Description
Technical field
The present invention relates to a kind of retarder of continuous miner cutting means, belong to the design of extractive equipment component under the coal mine and the technical field of manufacturing.
Background technique
The cutting means of continuous miner is most important core work parts, generally adopts transverse axis roller type cutting mechanism, and by two dual vertical drive of high-power AC motor, because it has the transverse axis drum-type structure, the cutting drum width is big, and cut coal body area is wide, can reach 3m
2, the coal breakage ability is strong, and the manufacturing efficiency height has lot of advantages than longitudinal axis cut.
Cutting mechanism is the heart of continuous miner, the quality of its Cutting Performance will directly influence the throughput of continuous miner, digging speed and efficient, since be by about two AC motor drive simultaneously retarder and on cutting drum, this slows down just for the speed change of cutting means and has proposed very high requirement, the key problem in technology that has also just become speed change to slow down, must carry out the operation needs that multistage break-in deceleration could be satisfied cutting drum to the motor transmitting speed, because continuous miner mainly is to introduce external type, still be a scientific research blank at home, its Dual-motors Driving cutting means carries out multistage, the multimode speed change is slowed down has become a new scientific research task.
Summary of the invention
Goal of the invention
Goal of the invention of the present invention is exactly at disadvantages of background technology, work characteristics according to the continuous miner cutting means, be double cross stream motor driving, horizontal shaft type roller frame, and the coal field geology condition of China, the project organization that adopts twin shaft gear graduation, dual planetary gear speed change, the vertical break-in speed change of bipyramid gear to combine makes the operating rate of transverse axis roller type cutting mechanism more stable, safety, reliably, significantly to improve the manufacturing efficiency of cut.
Technological scheme
Main structure of the present invention by: upper shell, lower shell body, left gear case, right gear case, left lateral star gear-box, right lateral star gear-box, left and right sides splined shaft, cut axle, left driving wheel hub, right drive hub, middle drive plate are formed; Left part at upper shell 1 is that left gear case 2, right part are right gear case 3; Left gear case 2 connects lower-left housing 15 and inner left lateral star gear-box 81 by left splined shaft 7, and right gear case 3 connects bottom right housing 16 and inner right lateral star gear-box 82 by right splined shaft 8; Left and right sides epicyclic gearbox connects cut axle 77 about 81,82 minutes, drive plate 6, left part connected left driving wheel hub 4 in the middle of cut axle 77 middle parts connected, right part connects right drive hub 5; The lower-left housing 15 outside cut rings 9 that connect, and fixing by bolt 23, the bottom right housing 16 outside cut rings 10 that connect, and fixing by bolt 24; Left driving wheel hub 4 connects cutting drum by left button 11, and right drive hub 5 connects cutting drum by right button 12; Middle drive plate 6 connects cutting drum by middle key 13; Motor power input shaft bore 56 on the left gear case 2 connects left drive motor, and the motor power input shaft bore 72 on the right gear case 3 connects right drive motor; Cut axle 77 combines as a whole left and right sides lower shell body 15,16, middle drive plate 6 by bolt 78,79, middle cover 80.
Described left gear case 2 is hermetically sealed gear housing, the outside, a left side of left gear case 2 is that case lid 38, inside, a left side are shaftgear 41, inside is motor power input shaft bore 56, and it is fixing by clutch shaft bearing 43, second bearing 44, top is fixed by bearing cap 49, gland 91, bolt 51, and the bottom is fixing by bearing cap 50, bolt 52; Shaftgear 41 right parts connect gearwheel 42, and gearwheel 42 is installed on the left splined shaft 7, and are fixed by the 3rd bearing 45, the 4th bearing 46, and top is fixed by bearing support 55, stifle 54, bolt 19; Left gear case 2 left parts are provided with oil level hole 21; Between bearing cap 49 and the shaftgear 41 seal ring 47 is arranged, between gearwheel 42 and the left splined shaft 7 seal ring 48 is arranged.
Described right gear case 3 is hermetically sealed gear housing, the right outside of right gear case 3 is case lid 39, the right inner shaftgear 57 that is, inside is motor power input shaft bore 72, and it is fixing by bearing 59,60, top is fixed by bearing cap 62, gland 92, bolt 69, and the bottom is fixing by bearing cap 61, bolt 70; Shaftgear 57 left parts connect gearwheel 58, and gearwheel 58 is installed on the right splined shaft 8, and are fixed by the 5th bearing 65, the 6th bearing 66, and top is fixed by bearing support 63, stifle 64, bolt 20; Right gear case 3 right parts are provided with oil level hole 22; Between bearing cap 62 and the shaftgear 57 seal ring 67 is arranged, between gearwheel 58 and the right splined shaft 8 seal ring 68 is arranged.
Described left lateral star gear-box 81 is hermetically sealed gear-box, splined shaft 7 coupling cone gears 83, and it is fixing by the 7th bearing 89, the 8th bearing 90, the bevel gear 83 vertical bevel gear wheels 84 that connect, bevel gear wheel 84 is installed on the axle sleeve 114, and fixing by bolt 110, axle sleeve 114 is by the 9th bearing the 93, the 15 bearing the 99, the 16 bearing 100, bolt 109 left wheel hub 118 that is fixedly connected; Sun gear 86 is housed on the cut axle 77, sun gear 86 right parts connect bevel gear wheel 84, sun gear 86 connects 4 planet wheels 87, planet axis 88, fixing between planet wheel 87 and the planet axis 88 by the tenth bearing the 94, the 11 bearing 95, planet wheel 87 connects ring gear 85, and ring gear 85 is fixed on the lower-left housing 15 by bolt 101, locating stud 107; Housing 15 left parts in lower-left are fixedly connected with left driving wheel hub 4 by the 12 bearing the 96, the 13 bearing the 97, the 14 bearing 98, and are fixedly connected by drive plate 116, gland 117, bolt 106,104,103,119; Screw 102, left button 11 connect cutting drum; Floating envelope 112 is arranged between left wheel hub 118 and the lower-left housing 15, floating envelope 113 is arranged between lower-left housing 15 and the left driving wheel hub 4, between left splined shaft 7 and the lower-left housing 15 seal ring 111 is arranged, between gland 117 and the drive plate 116 seal ring 115 is arranged.
Described right lateral star gear-box 82 is hermetically sealed gear-box, splined shaft 8 coupling cone gears 121, and it is fixing by the 17 bearing the 124, the 18 bearing 125, bevel gear 121 connects bevel gear wheel 122, bevel gear wheel 122 is installed on the axle sleeve 151, and fixing by bolt 152, axle sleeve 151 is installed on the cut axle 77, by the 19 bearing the 126, the 20 bearing the 127, the 24 bearing 142, the bolt 152 right wheel hub 123 that is fixedly connected; Sun gear 128 is housed on the cut axle 77, sun gear 128 left parts connect bevel gear wheel 122, sun gear 128 connects 4 planetary pinions 129, planet axis 130, between planet wheel 129 and the planet axis 130 by bearing 143,144 is fixing, planet wheel 129 connects ring gear 131, ring gear 131 is by locating stud 140, bolt 145 is fixed on the bottom right housing 16, housing 16 right parts in bottom right are by the 21 bearing 132, the 22 bearing 133, the 23 bearing 134 is fixedly connected with right drive hub 5, and by drive plate 135, gland 136, bolt 146,137,138,139 are fixedly connected; Screw 154, right button 12 connect cutting drum; Floating envelope 147 is arranged between right wheel hub 123 and the bottom right housing 16, floating envelope 148 is arranged between bottom right housing 16 and the right drive hub 5, between right splined shaft 8 and the bottom right housing 16 seal ring 150 is arranged, between gland 136 and the drive plate 135 seal ring 149 is arranged.
Described cut axle 77 is a splined shaft, cut axle 77 is provided with first spline 155, second spline 156, the 3rd spline 157, the 4th spline 158, the 5th spline 159 from left to right successively at interval, cut axle 77 left parts are provided with screw 160, pin-and-hole 162, center hole 164, cut axle 77 right parts are provided with screw 161, pin-and-hole 163, center hole 165, the sectional shape that the spline of spline 155,156,157,158,159 cuts shape 166 is identical, and its pressure angle is 30 °.
Described left gear case 2, the transmission speed ratio of right gear case 3 is identical, shaftgear 41: gearwheel 42=3.056: 1, shaftgear 57: gearwheel 58=3.056: 1.
The transmission speed ratio of described bevel gear 83, bevel gear wheel 84 is identical with the transmission speed ratio of bevel gear 121, bevel gear wheel 122, bevel gear 83: bevel gear wheel 84=3.095: 1, and bevel gear 121: bevel gear wheel 122=3.095: 1.
Described left and right sides epicyclic gearbox 81,82, structure is identical, and the planetary pinion combination transmission speed ratio that the sun gear 86 of left lateral star gear-box 81, planet wheel 87, planet axis 88, ring gear 85 are formed is 3.059: 1; The transmission speed ratio of the planetary pinion combination that the sun gear 128 of right lateral star gear-box 82, planet wheel 129, planet axis 130, ring gear 131 are formed is 3.059: 1; Planet wheel 87,129 is the even number setting, and its quantity is 4.
Beneficial effect
The present invention compares with background technique has tangible advance, it is the characteristics at the rugged environment operation under coal mine of continuous miner cutting means, adopted hermetically sealed design, adopt upper shell, lower shell body, about gear-box up and down, splined shaft connects the project organization that combines, after the left and right tooth roller box speed change, pass to the vertical break-in speed change of left and right conical gear on the cut axle through left and right sides splined shaft, again through left and right sides planetary gear speed-changing combination speed change, then three grades, the transmission of power of three kinds of speed changes is carried out the cut operation to cutting drum, formed the twin shaft gear graduation, the dual planetary gear speed change, the design that the vertical break-in speed change of bipyramid gear combines, this three grades, three kinds of gear shift modes have improved the speed change decelerability and the effect of cutting means greatly, strengthened its stability, reliability, Security, this device is reasonable in design, compact structure, hermetically sealed explosion-proof, realized the operation of three grades of run-in synchronism speed changes, be the retarder of desirable continuous miner cutting means, this retarder also can be used for other similar device.
Description of drawings
Fig. 1 is the overall structure plan view
Fig. 2 is the overall structure plan view
Fig. 3 is the overall structure side view
Fig. 4 is the A-A sectional view of Fig. 3
Fig. 5 is a cut axle plan view
Fig. 6 is the cut axis side view
Shown in the figure, the reference character code name is as follows:
1, upper shell, 2, the left gear case, 3, the right gear case, 4, the left driving wheel hub, 5, right drive hub, 6, middle drive plate, 7, left side splined shaft, 8, right splined shaft, 9, the cut ring, 10, the cut ring, 11, left button, 12, right button, 13, middle key, 14, mounting hole, 15, the lower-left housing, 16, the bottom right housing, 17, cover plate, 18, cover plate, 19, bolt, 20, bolt, 21, the oil level hole, 22, the oil level hole, 23, bolt, 24, bolt, 25, screw, 26, screw, 27, bolt, 28, pin, 29, adjust key, 30, adjust key, 31, adjust key, 32, adjust key, 33, cushion block, 34, fixture block, 35, fixture block, 36, little fixture block, 37, big fixture block, 38, case lid, 39, case lid, 40, screw, 41, shaftgear, 42, gearwheel, 43, clutch shaft bearing, 44, second bearing, 45, the 3rd bearing, 46, the 4th bearing, 47, seal ring, 48, seal ring, 49, bearing cap, 50, bearing cap, 51, bolt, 52, bolt, 53, bolt, 54, stifle, 55, bearing support, 56, the motor power input shaft bore, 57, shaftgear, 58, gearwheel, 59, bearing, 60, bearing, 61, bearing cap, 62, bearing cap, 63, bearing support, 64, stifle, 65, the 5th bearing, 66, the 6th bearing, 67, seal ring, 68, seal ring, 69, bolt, 70, bolt, 71, bolt, 72, the motor power input shaft bore, 77, the cut axle, 78, bolt, 79, bolt, 80, middle cover, 81, left lateral star gear-box, 82, right lateral star gear-box, 83, bevel gear, 84, bevel gear wheel, 85, ring gear, 86, sun gear, 87, planet wheel, 88, planet axis, 89, the 7th bearing, 90, the 8th bearing, 91, gland, 92, gland, 93, the 9th bearing, 94, the tenth bearing, 95, the 11 bearing, 96, the 12 bearing, 97, the 13 bearing, 98, the 14 bearing, 99, the 15 bearing, 100, the 16 bearing, 101, bolt, 102, screw, 103, bolt, 104, bolt, 105, screw, 106, bolt, 107, locating stud, 108, bolt, 109, bolt, 110, bolt, 111, seal ring, 112, floating envelope, 113, floating envelope, 114, axle sleeve, 115, seal ring, 116, drive plate, 117, gland, 118, left wheel hub, 119, bolt, 120,, 121, bevel gear, 122, bevel gear wheel, 123, right wheel hub, 124, the 17 bearing, 125, the 18 bearing, 126, the 19 bearing, 127, the 20 bearing, 128, sun gear, 129, planet wheel, 130, planet axis, 131, ring gear, 132, the 21 bearing, 133, the 22 bearing, 134, the 23 bearing, 135, drive plate, 136, gland, 137, bolt, 138, bolt, 139, bolt, 140, locating stud, 141, bolt, 142, the 24 bearing, 143, the 25 bearing, 144, the 26 bearing, 145, bolt, 146, spiral pin, 147, floating envelope, 148, floating envelope, 149, seal ring, 150, seal ring, 151, axle sleeve, 152, bolt, 153, screw, 154, screw, 155, first spline, 156, second spline, 157, the 3rd spline, 158, the 4th spline, 159, the 5th spline, 160, screw, 161, screw, 162, pin-and-hole, 163, pin-and-hole, 164, center hole, 165, center hole, 166, spline cuts shape.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1,2,3, be overall structure figure, form a complete variable speed reducer structure by upper shell 1, left and right sides lower shell body 15,16, left and right sides splined shaft 7,8; Upper shell is provided with left gear case 2, right gear case 3 about 1 minute, connected with the AC motor of continuous miner cutting means by motor power input shaft bore 56,72 respectively; Left and right tooth roller box 2,3 connects left and right splined shaft 7,8 respectively, left and right sides splined shaft 7,8 connects left and right sides epicyclic gearbox 81,82 respectively, epicyclic gearbox 81,82 inside in the left and right sides are contained on the cut axle 77, left driving wheel hub 4, right drive hub 5, middle drive plate 6 connect installs cutting drum, form dual motor driving left and right tooth roller box 2,3, left and right sides splined shaft 7,8, left and right sides epicyclic gearbox 81,82, the cut operation is finished in run-in synchronism synchronously.
Left and right tooth roller box 2,3, left and right sides epicyclic gearbox 81,82 are explosion-proof design, and machine oil is all put by floating envelope, seal ring sealing in each connection place in the casing, must not leakage of oil, and, keep train lubricated good, clean by 21,22 controls of oil level hole.
Cut ring the 9, the 10th, cutting drum play bump, the effect of loose coal seam in digging cut process, that intensity is good, hardness is high.
Each casing, case lid will be installed firmly, note the vibration proof bump.
Left and right sidesing driving wheel hub 4,5 external structure unanimities, outer end are provided with installs screw 26,40, bolt 27, adjustment key 29,30,31,32, lesser calorie piece 36, big fixture block 37, and both sides are provided with cushion block 33, and fixture block 34,35 is beneficial to adjust and installs.
Shown in Figure 4, be variable speed reducer structure drive connection figure, whole formation twin shaft gear graduation, dual planetary gear speed change, the design of the vertical break-in speed change of bipyramid gear structure combining, the shaftgear 41 of left gear case 2 drives and connects gearwheel 42, gearwheel 42 connects drive bevel gear 83 by splined shaft 7, bevel gear 83 drives bevel gear wheel 84, bevel gear wheel 84 drives sun gear 86 simultaneously, sun gear 86 connects 4 planet wheels 87, the planet axis 88 that even number is provided with, planet wheel 87 connects drive ring gear 85, and ring gear 85 is fixed on the tank wall of left lateral star gear-box 81.
The shaftgear 57 of right gear case 3 connects gearwheel 58, gearwheel 58 drives bevel gear 121 by splined shaft 8, bevel gear 121 connects drive bevel gear wheel 122, bevel gear wheel 122 drives sun gear 128 simultaneously, sun gear 128 connects 4 planet wheels 129, the planet axis 130 that even number is provided with, planet wheel 129 connects ring gear 131, and ring gear 131 is fixed on the tank wall of right lateral star gear-box 82.
Each gear-box is hermetically sealed explosion-proof design, strict control sealing, each gear is installed and is located by bearing, rotate flexibly, the accuracy of mesh height of the planet wheel of planetary pinion combination, planet axis, ring gear, sun gear, part are wanted accurately, and it is strict that Installation and Debugging are wanted, and make of the good Alloy Constructional Steel of intensity, and through the processing of hardening, the form of gear tooth is advisable to grind.
Shown in Fig. 5,6, be cut axle 77 structural drawing, cut axle 77 is the parts that carry most, must impact resistance, want toughness strong, intensity is good, the hardness height, to make of the high strength alloy structural steel, and through the high temperature processing of hardening, in order to guarantee its machining accuracy, center hole 164,165 can be selected the Type B center hole for use, its spline cuts shape 166 and will accurately make, and is convenient to cooperate connect.
Claims (9)
1. the retarder of a continuous miner cutting means, it is characterized in that: structure is made up of upper shell, lower shell body, left gear case, right gear case, left lateral star gear-box, right lateral star gear-box, left and right sides splined shaft, cut axle, left driving wheel hub, right drive hub, middle drive plate; Left part at upper shell (1) is that left gear case (2), right part are right gear case (3); Left gear case (2) connects lower-left housing (15) and inner left lateral star gear-box (81) by left splined shaft (7), and right gear case (3) connects bottom right housing (16) and inner right lateral star gear-box (82) by right splined shaft (8); Connect cut axle (77) about left and right sides epicyclic gearbox (81,82) divides, drive plate (6), left part connected left driving wheel hub (4) in the middle of cut axle (77) middle part connected, right part connects right drive hub (5); The outside cut ring (9) that connects of lower-left housing (15), and fixing by bolt (23), the outside cut ring (10) that connects of bottom right housing (16), and fixing by bolt (24); Left driving wheel hub (4) connects cutting drum by left button (11), and right drive hub (5) connects cutting drum by right button (12); Middle drive plate (6) connects cutting drum by middle key (13); Motor power input shaft bore (56) on the left gear case (2) connects left drive motor, and the motor power input shaft bore (72) on the right gear case (3) connects right drive motor; Cut axle (77) combines as a whole left and right sides lower shell body (15,16), middle drive plate (6) by bolt (78,79), middle cover (80).
2. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described left gear case (2) is hermetically sealed gear housing, the outside, a left side of left gear case (2) is that case lid (38), inside, a left side are shaftgear (41), inside is motor power input shaft bore (56), and it is fixing by clutch shaft bearing (43), second bearing (44), top is fixed by bearing cap (49), gland (91), bolt (51), and the bottom is fixing by bearing cap (50), bolt (52); Shaftgear (41) right part connects gearwheel (42), and gearwheel (42) is installed on the left splined shaft (7), and is fixed by the 3rd bearing (45), the 4th bearing (46), and top is fixed by bearing support (55), stifle (54), bolt (19); Left gear case (2) left part is provided with oil level hole (21); Between bearing cap (49) and the shaftgear (41) seal ring (47) is arranged, between gearwheel (42) and the left splined shaft (7) seal ring (48) is arranged.
3. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described right gear case (3) is hermetically sealed gear housing, the right outside of right gear case (3) is case lid (39), the right inner shaftgear (57) that is, inside is motor power input shaft bore (72), and it is fixing by bearing (59,60), top is fixed by bearing cap (62), gland (92), bolt (69), and the bottom is fixing by bearing cap (61), bolt (70); Shaftgear (57) left part connects gearwheel (58), and gearwheel (58) is installed on the right splined shaft (8), and is fixed by the 5th bearing (65), the 6th bearing (66), and top is fixed by bearing support (63), stifle (64), bolt (20); Right gear case (3) right part is provided with oil level hole (22); Between bearing cap (62) and the shaftgear (57) seal ring (67) is arranged, between gearwheel (58) and the right splined shaft (8) seal ring (68) is arranged.
4. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described left lateral star gear-box (81) is hermetically sealed gear-box, splined shaft (7) coupling cone gear (83), and it is fixing by the 7th bearing (89), the 8th bearing (90), bevel gear (83) vertically connects bevel gear wheel (84), bevel gear wheel (84) is installed on the axle sleeve (114), and fixing by bolt (110), axle sleeve (114) is by the 9th bearing (93), the 15 bearing (99), the 16 bearing (100), bolt (109) left wheel hub (118) that is fixedly connected; Sun gear (86) is housed on the cut axle (77), sun gear (86) right part connects bevel gear wheel (84), sun gear (86) connects 4 planet wheels (87), planet axis (88), fixing between planet wheel (87 and) planet axis (88) by the tenth bearing (94), the 11 bearing (95), planet wheel (87) connects ring gear (85), and ring gear (85) is fixed on the lower-left housing (15) by bolt (101), locating stud (107); Lower-left housing (15) left part is fixedly connected with left driving wheel hub (4), and is fixedly connected by drive plate (116), gland (117), bolt (106,104,103,119) by the 12 bearing (96), the 13 bearing (97), the 14 bearing (98); Screw (102), left button (11) connect cutting drum; Floating envelope (112) is arranged between left wheel hub (118) and the lower-left housing (15), floating envelope (113) is arranged between lower-left housing (15) and the left driving wheel hub (4), between left side splined shaft (7) and the lower-left housing (15) seal ring (111) is arranged, between gland (117) and the drive plate (116) seal ring (115) is arranged.
5. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described right lateral star gear-box (82) is hermetically sealed gear-box, splined shaft (8) coupling cone gear (121), and by the 17 bearing (124), the 18 bearing (125) is fixing, bevel gear (121) connects bevel gear wheel (122), bevel gear wheel (122) is installed on the axle sleeve (151), and it is fixing by bolt (152), axle sleeve (151) is installed on the cut axle (77), by the 19 bearing (126), the 20 bearing (127), the 24 bearing (142), bolt (152) the right wheel hub (123) that is fixedly connected; Sun gear (128) is housed on the cut axle (77), sun gear (128) left part connects bevel gear wheel (122), sun gear (128) connects 4 planetary pinions (129), planet axis (130), between planet wheel (129) and the planet axis (130) by bearing (143,144) fixing, planet wheel (129) connects ring gear (131), ring gear (131) is by locating stud (140), bolt (145) is fixed on the bottom right housing (16), bottom right housing (16) right part is by the 21 bearing (132), the 22 bearing (133), the 23 bearing (134) is fixedly connected with right drive hub (5), and by drive plate (135), gland (136), bolt (146,137,138,139) be fixedly connected; Screw (154), right button (12) connect cutting drum; Between right wheel hub (123) and the bottom right housing (16) floating envelope (147) is arranged, floating envelope (148) is arranged between bottom right housing (16) and the right drive hub (5), between right splined shaft (8) and the bottom right housing (16) seal ring (150) is arranged, between gland (136) and the drive plate (135) seal ring (149) is arranged.
6. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described cut axle (77) is a splined shaft, cut axle (77) is provided with first spline (155) from left to right successively at interval, second spline (156), the 3rd spline (157), the 4th spline (158), the 5th spline (159), cut axle (77) left part is provided with screw (160), pin-and-hole (162), center hole (164), cut axle (77) right part is provided with screw (161), pin-and-hole (163), center hole (165), first spline (155), second spline (156), the 3rd spline (157), the 4th spline (158), the sectional shape that the spline of the 5th spline (159) cuts shape (166) is identical, and its pressure angle is 30 °.
7. the retarder of a kind of continuous miner cutting means according to claim 2, it is characterized in that: described left gear case (2), the transmission speed ratio of right gear case (3) is identical, shaftgear (41): gearwheel (42)=3.056: 1, bearing tooth (57): gearwheel (58)=3.056: 1.
8. the retarder of a kind of continuous miner cutting means according to claim 4, it is characterized in that: the transmission speed ratio of described bevel gear (83), bevel gear wheel (84) is identical with the transmission speed ratio of bevel gear (121), bevel gear wheel (122), bevel gear (83): bevel gear wheel (84)=3.095: 1, bevel gear (121): bevel gear wheel (122)=3.095: 1.
9. the retarder of a kind of continuous miner cutting means according to claim 1, it is characterized in that: described left and right sides epicyclic gearbox (81,82), structure is identical, and the planetary pinion combination transmission speed ratio that the sun gear (86) of left lateral star gear-box (81), planet wheel (87), planet axis (88), ring gear (85) are formed is 3.059: 1; The transmission speed ratio of the planetary pinion combination that the sun gear (128) of right lateral star gear-box (82), planet wheel (129), planet axis (130), ring gear (131) are formed is 3.059: 1; Planet wheel (87), (129) are the even number setting, and its quantity is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710061538A CN101059162B (en) | 2007-02-14 | 2007-02-14 | Speed reducer of continuous coal cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710061538A CN101059162B (en) | 2007-02-14 | 2007-02-14 | Speed reducer of continuous coal cutter |
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| CN101059162A CN101059162A (en) | 2007-10-24 |
| CN101059162B true CN101059162B (en) | 2010-05-19 |
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| CN200710061538A Active CN101059162B (en) | 2007-02-14 | 2007-02-14 | Speed reducer of continuous coal cutter |
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| CN101881163B (en) * | 2010-07-07 | 2012-06-27 | 三一重型装备有限公司 | Continuous miner and running part thereof |
| CN102116151B (en) * | 2011-02-24 | 2012-10-03 | 三一重型装备有限公司 | Continuous miner and cutting speed reducer thereof |
| CN102927208B (en) * | 2012-11-20 | 2016-03-23 | 中传重型装备有限公司 | A kind of continuous miner cutting reducer |
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| CN109505597B (en) * | 2019-01-04 | 2024-02-13 | 天地科技股份有限公司上海分公司 | Mining machine cutting mechanism with multiple power interfaces |
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| CN114810065B (en) * | 2022-05-07 | 2022-11-29 | 四川华蓥山广能集团嘉华机械有限责任公司 | Permanent magnet direct-drive coal mining machine rocker arm suitable for steep dip angle coal seam and use method thereof |
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| US4582363A (en) * | 1984-01-03 | 1986-04-15 | National Mine Service Company | Drive assembly for mining machine cutter drum |
| US5964507A (en) * | 1997-10-20 | 1999-10-12 | Mining Technologies, Inc. | Transmission gearcase for multiple cutting heads |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN201013843Y (en) * | 2007-02-14 | 2008-01-30 | 煤炭科学研究总院太原分院 | Decelerator of continuous miner cutting means |
-
2007
- 2007-02-14 CN CN200710061538A patent/CN101059162B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582363A (en) * | 1984-01-03 | 1986-04-15 | National Mine Service Company | Drive assembly for mining machine cutter drum |
| US5964507A (en) * | 1997-10-20 | 1999-10-12 | Mining Technologies, Inc. | Transmission gearcase for multiple cutting heads |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN201013843Y (en) * | 2007-02-14 | 2008-01-30 | 煤炭科学研究总院太原分院 | Decelerator of continuous miner cutting means |
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|---|---|
| CN101059162A (en) | 2007-10-24 |
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