A kind of turbine type gas starting equipment of diesel engine
Technical field
The present invention relates to a kind of turbine type gas starting equipment of diesel engine, belong to the auxiliary conveying equipments-design of railless free-wheeled vehicle component and the technical field of manufacturing under the coal mine.
Background technique
In modern large and medium-sized colliery, generally using railless free-wheeled vehicle, as the down-hole auxiliary conveying equipments, railless free-wheeled vehicle mostly adopts diesel engine to do power, because the colliery subsurface environment is abominable, bring certain difficulty for the starting of diesel engine, a kind of safe, efficient, starting arrangement that can adapt to the rugged environment operation of diesel engine needs itself.
The diesel engine start mode is mainly two kinds, and the one, the starting of positive displacement gas, the 2nd, electricity starting; Blade type, piston type and gear type are often adopted in the starting of positive displacement gas, and the blade type blade wear is big, noise is high, the life-span is short; Piston type and gear type friction factor height, starting is slow, efficient is low; The electricity starting, because rugged environment operation under coal mine, there are serious potential safety hazard in easily water inlet, electric leakage.
Summary of the invention
Goal of the invention
Purpose of the present invention is exactly at disadvantages of background technology, under coal mine on the diesel engine of railless free-wheeled vehicle, design a kind of turbine type gas starting equipment, adopt technology such as turbo type driving, planetary reduction gear, unidirectional, noise elimination, the starting that makes diesel engine rapidly, efficient, low noise, exempt to lubricate, with the priming speed that increases substantially diesel engine with adapt to rugged environment operation under the coal mine.
Technological scheme
Main structure of the present invention by: connect housing, one-way element, planetary reducer, turbine drives mechanism, silencing apparatus and form; In the inside of housing 1 is one-way element 2, and one-way element 2 is installed on the live axle 6, and live axle 6 left parts are fixed in the bearing 26 of housing 1, right part connects with planetary reducer 3, and housing 1 is fixedly connected by live axle 6, bolt 11 and planetary reducer 3; Planetary reducer 3 connects with the shaftgear 63 of turbine drives mechanism 4 by sun gear 51, and turbine drives mechanism 4 connects with silencing apparatus 5 by stud 12, and fixing by nut 13; Fixing between planetary reducer 3 and the turbine drives mechanism 4 by clip 14, fixing between the housing of turbine drives mechanism 4 and the out rotor 24 by clip 15; The intake duct 10 of turbine drives mechanism 4 connects the air compressor of railless free-wheeled vehicle; Attachment hole 9 on the housing 1 connects with the diesel engine of railless free-wheeled vehicle; Be provided with seal ring 16 between housing 1 and the planetary reducer 3; Be provided with seal ring 19 between planetary reducer 3 and the turbine drives mechanism 4; Be provided with seal ring 20 between the housing of turbine drives mechanism 4 and the out rotor 24; Be slide block chamber 7 between planetary reducer 3 and the housing 1, be provided with in the slide block chamber 7 sliding sleeve 25 and on seal ring 17, guide ring 18, the pore 36 on slide block chamber 7 UNICOM's housings 1 is provided with seal ring 21 between sliding sleeve 25 and the planetary reducer 3; Be provided with stops 27 between one-way element 2 in the housing 1 and the planetary reducer 3, locate by big spring 30 between housing 1 and the one-way element 2, by chain wheel pivoted housing 37, little spring 38 control air clutch, the starter receiver 39 on the one-way element 2 meshes with flywheel on the diesel engine and connects in the one-way element 2.
The neutral position of described connection housing 1 is a connecting plate 31, connecting plate 31 is provided with three attachment holes 9, be provided with 12 screws 33 in the left part of housing 1, in the centre of housing 1 is one-way element chamber 32, right part at housing 1 is provided with bearing hole 34, is provided with three inlet holes 35,36 in the left side of housing 1.
Described planetary reducer 3, right middle at live axle 6 is equipped with bearing 46, planetary ring gear 42 is housed on bearing 46, planet carrier 22 is housed, connect sun gear 51 in the front portion of planet carrier 22 at the right part of live axle 6, uniform three planetary pinions 44 on sun gear 51, planetary pinion 44 is contained on the planet axis 43, and the centre is a bearing 45, and planet axis 43 is fixed on the planet carrier 22, planetary pinion 44 connects around sun gear 51 engagements, and the 44 outside whiles of planetary pinion connect with planetary ring gear 42 engagements; In the outside of planetary ring gear 42, planetary pinion 44, sun gear 51 is fixed tray 47, and is fixed on the planet axis 43 by screw 48; The left outside of planetary ring gear 42 be equipped with sliding sleeve 25 and on seal ring 17, guide ring 18, be provided with seal ring 21 between sliding sleeve 25 and the planetary ring gear 42; Planetary ring gear 42 middle parts are provided with connecting plate 50, and fixing with housing 1 by the attachment hole on it 52; At bearing 46 left parts oil sealing 49 is housed.
Described turbine drives mechanism 4, on the top of turbine shroud 55 is intake duct 10, in the centre of turbine shroud 55 is turbine shaft 8, left part at turbine shaft 8 is a shaftgear 63, bearing 59,60 is housed between turbine shaft 8 and turbine shroud 55, and the location, at turbine shaft 8 right middles piston ring 56 is housed, seal by seal ring 57,58 between piston ring 56 and the turbine shroud 55; Impeller 28, turbine rotor 29, out rotor 24 in right part is equipped with successively in turbine shroud 55, and be fixed on the turbine shaft 8 by nut 23; Fixing between out rotor 24 and the turbine shroud 55 by clip 15; Intake duct 10 connects with the air compressor of railless free-wheeled vehicle; The left part of turbine shaft 8 is a shaftgear 63, the sun gear 51 corresponding connections of shaftgear 63 and planetary reducer 3; The right part of out rotor 24 is provided with attachment hole 75, and connects silencing apparatus 5 by stud 12; Between bearing 59,60 and turbine shroud 55,, be provided with attachment hole 53 in the both sides of intake duct 10 by seal ring 61,62 sealings.
Described turbine rotor 29 is a disc type helical teeth structure, in the centre of turbine rotor 29 is hole 65, left end is a conical surface 64, and conical surface 64 outsides are provided with three pores 40, is provided with 40 circumferential teeth 66 in cylindrical portion, and it is uniform, be provided with 67,30 end face internal tooths 68 of 42 end face external tooths in the left part, and uniform, circumferential teeth 66, end face external tooth 67, end face internal tooth 68 profile of tooth directions are identical, be counterclockwise, its draft angle is 19.5 °.
Impeller 28 is a disc type helical teeth structure in described, and the centre of interior impeller 28 is hole 71, and cylindrical portion is provided with 29 circumference helical teeth 69, and the left part is provided with 12 lightening holes 70, and the profile of tooth direction of circumference helical teeth 69 is that counterclockwise its draft angle is 19.5 °.
Described out rotor 24 is a disc type end face helical teeth shape, in the centre of out rotor 24 is hole 72, its outside is provided with circular groove 41, be provided with three screws 75 in the right side, be provided with 73,26 end face internal tooths 74 of 22 end face external tooths in the left side, and uniform, end face external tooth 73 is opposite with the profile of tooth bevel direction of end face internal tooth 74, the profile of tooth direction of end face external tooth 73 is that counterclockwise the profile of tooth direction of end face internal tooth 74 is a clockwise direction, and its draft angle is 19.5 °.
Described silencing apparatus 5, be provided with three stud 12 in the position, upper, middle and lower of suppressor case 80, and it is fixing by nut 13, be provided with short cover 85, long cover 84 on the top of housing 80, between long cover 84, short cover 85 is barge board 81, barge board 81 tops connect upward filtration fan housing 82, the bottom connects filter fan housing 83 down, and the top of suppressor case 80 is that loam cake 86, bottom are that lower cover 87, left part are left side lid 90, upward filtration fan housing 82, filter fan housing 83 down and are provided with several bloops.
Described one-way element 2, the outside is an one-way element housing 91, interior left part at one-way element housing 91 is provided with back-up ring 79, chain wheel pivoted housing 37, chain wheel pivoted housing 37 left parts connect starter receiver 39, right part connects spline housing 98, be provided with location little spring 38, plain cushion 96, distance cover 95 in spline housing 98 outsides, on distance cover 95 tops is rubber ring 77, is provided with lining 93, stops 94, back-up ring 78 in spline housing 98 right outsides; Starter receiver 39 is fixed on the bearing 99 and connects diesel engine, and one-way element housing 91 inside are drive shaft hole 76, and chain wheel pivoted housing 37, little spring 38, spline housing 98 are finished the automatic clutch function.
Beneficial effect
The present invention compares with background technique has tangible advance, it is the starting drawback at the diesel engine of railless free-wheeled vehicle under the coal mine, utilize the air compressor on the rubber-tired cart to do source of the gas power, a kind of turbine type gas starting equipment of design and installation on diesel engine, turbine type gas starting equipment is by housing, intake duct, turbine drives mechanism, planetary reducer, one-way element, silencing apparatus is formed overall structure, turbine drives mechanism adopts housing, turbine shaft, turbine rotor, interior impeller, the out rotor structure, the air gas that intake duct is come in changes the impact air-flow direction through interior impeller, utilize air-flow to apply equidirectional moment to turbine rotor, the drive turbine shaft rotates, sun gear and planetary pinion that turbine shaft drives planetary reducer simultaneously rotate, sun gear passes through planetary gear speed-reduction, under 11.4: 1 speed ratio, drive drive shaft turns by planetary reducer, transmit the starting of drive diesel engine by the one-way element clutch, the aperture dispersion type noise deadener can effectively be eliminated turbo type gas starting noise, chain wheel pivoted housing automatic clutch is adopted in the turbo type gas starting, safety, stable, reliably, starting torque is big, starting rapidly, efficiently, low noise, exempt to lubricate, priming speed can improve 100% than prior art, 5-6 can start second, be the gas starting of the rubber-tired cart diesel engine of rugged environment operation under the very good adaptation coal mine, this device also can be used for the starting of other diesel engine.
Description of drawings
Fig. 1 is the overall structure plan view
Fig. 2 is for connecting the housing plan view
Fig. 3 is the A-A sectional drawing of Fig. 2
Fig. 4 is for connecting the case side view
Fig. 5 is the planetary reducer structural drawing
Fig. 6 is a turbine drives mechanism plan view
Fig. 7 is the B-B sectional drawing of Fig. 6
Fig. 8 is the turbine rotor plan view
Fig. 9 is the turbine rotor side view
Figure 10 is interior impeller plan view
Figure 11 is interior impeller side view
Figure 12 is the out rotor plan view
Figure 13 is the out rotor side view
Figure 14 is the silencing apparatus plan view
Figure 15 is the C-C sectional drawing of Figure 14
Figure 16 is the one-way element structural drawing
Shown in the figure, list of numerals is as follows:
1, housing, 2, one-way element, 3, planetary reducer, 4, turbine drives mechanism, 5, silencing apparatus, 6, live axle, 7, slide block chamber, 8, turbine shaft, 9, attachment hole, 10, intake duct, 11, bolt, 12, stud, 13, nut, 14, clip, 15, clip, 16, seal ring, 17, seal ring, 18, guide ring, 19, seal ring, 20, seal ring, 21 seal rings, 22, planet carrier, 23, nut, 24, out rotor, 25, sliding sleeve, 26, bearing, 27, stops, 28, interior impeller, 29, turbine rotor, 30, big spring, 31, connecting plate, 32, the one-way element chamber, 33, screw, 34, axis hole, 35, inlet hole, 36, inlet hole, 37, the chain wheel pivoted housing, 38, little spring, 39, starter receiver, 40, pore, 41, circular groove, 42, planetary ring gear, 43, planet axis, 44, planetary pinion, 45, bearing, 46, bearing, 47, fixed tray, 48, screw, 49, oil sealing, 50, connecting plate, 51, sun gear, 52, attachment hole, 53, attachment hole, 55, turbine shroud, 56, piston ring, 57, seal ring, 58, seal ring, 59, bearing, 60, bearing, 61, seal ring, 62, seal ring, 63, shaftgear, 64, conical surface, 65, the hole, 66, circumferential teeth, 67, the end face external tooth, 68, the end face internal tooth, 69, the circumference helical teeth, 70, lightening hole, 71, the hole, 72, the hole, 73, the end face external tooth, 74, the end face internal tooth, 75, screw, 76, drive shaft hole, 77, rubber ring, 78, back-up ring, 79, back-up ring, 80, suppressor case, 81, barge board, 82, the upward filtration fan housing, 83, under filter fan housing, 84, long cover, 85, short cover, 86, loam cake, 87, lower cover, 90, left side lid, 91, the one-way element housing, 93, lining, 94, stops, 95, the distance cover, 96, plain cushion, 98, spline housing, 99, sliding bearing.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Figure 1, be overall structure figure, mainly by turbine drives mechanism 4, silencing apparatus 5, planetary reducer 3, one-way element 2, connecting housing 1 forms, the air gas that air compressor produces, its pressure values is that 700KPa is divided into two strands of air-flows, one enters slide block chamber 7 by pore 36, one enters turbine drives mechanism 4 by air flue 10, through interior impeller 28, turbine rotor 29, helical teeth shunting on the out rotor 24, turbine rotor 29 is rotated on turbine shaft 8, and the sun gear 51 that drives planetary reducer 3 rotates, sun gear 51 drives planetary pinion 44 and rotates and deceleration, the deceleration speed ratio is 11.4: 1, and the back transmission of power of slowing down is given live axle 6, and live axle 6 connects sliding sleeve 25, one-way element 2, by chain wheel pivoted housing 37 automatic clutchs, promotion starter receiver 39 stretches out and rotates, and starter receiver 39 connects with the flywheel of diesel engine, thereby makes the diesel engine starting; The out rotor 24 of turbine drives mechanism 4 connects silencing apparatus 5, and gas starting noise is eliminated.
The turbine rotor 29 of turbine drives mechanism 4, interior impeller 28, the connecting relation of out rotor 24, airflow direction, principle of rotation are:
Air-flow is evenly shunted through the circumference helical teeth 69 of interior impeller 28, obtain the several strands of impact air-flows angled with the axis plane, air-flow enters the circumference helical teeth 66 of turbine rotor 29, turbine rotor forms moment, air-flow changes direction through the end face external tooth 73 of out rotor 24, enter the end face external tooth 67 of turbine rotor 29, apply moment to turbine rotor; Air-flow changes direction through the end face internal tooth 74 of out rotor 24, enters the end face internal tooth 68 of turbine rotor 29, applies equidirectional moment through turbine rotor 29, drives turbine rotor and rotates.
The pressure values of the air gas that intake duct 10 enters is 700kpa.
Each mounting point, connecting relation want correct, and debug.
Shown in Fig. 2,3,4,, intensity good, make of Alloy Constructional Steel for connecting housing 2 structural drawing.
Shown in Figure 5, be planetary reducer 3 structural drawing, planet carrier 22, planetary ring gear 42, sun gear 51, planetary pinion 44, planet axis 43, bearing 45,46 will be installed firmly, correct position, rotate flexibly, its transmission speed ratio is 11.4: 1, and drives live axle 6 rotations, and its gear set specifications is modulus 0.8.
Shown in Fig. 6,7, be turbine drives mechanism 4 structural drawing, turbine shroud 55 wants intensity good, turbine rotor 29, interior impeller 28, the out rotor 24 installed in it are wanted correct position, its helical teeth groove separately is in the right direction, cooperates suitably, to guarantee the flow direction and the speed of turbine airflow, thereby guarantee the starting torque of turbine rotor 29, shaftgear 63 on the turbine shaft 8 and the sun gear on the planetary reducer 3 51 are in conjunction with connecting.
Shown in Fig. 8,9, be turbine rotor 29 structural drawing, turbine rotor 29 is a disc, is covered with air bath type circumferential teeth 66 on the circumference, and the side end face is covered with the oblique air bath type end face external tooth 67 of two rows, end face internal tooth 68, and its draft angle is 19.5 °, to guarantee that air-flow is unimpeded.
Shown in Figure 10,11, be interior impeller 28 structural drawing, interior impeller 28 is a disc, and a side has lightening hole 70, uniform 29 circumference helical teeth 69 on the circumference, and its direction is that draft angle is 19.5 ° clockwise.
Shown in Figure 12,13, be out rotor 24 structural drawing, out rotor 24 is a disc, and a side end face is provided with end face external tooth 73, end face internal tooth 74, and end face internal tooth 74 is identical with end face external tooth 73 oblique angle directions, and draft angle is 19.5 °.
Shown in Figure 14,15, be silencing apparatus 5 structural drawing, in suppressor case 80, be provided with upward filtration fan housing 82, filter fan housing 83 down, which is provided with several noise reduction apertures, to eliminate pneumatic noise.
Shown in Figure 16, be one-way element 2 structural drawing, one-way element housing 91 is contained in and connects in the housing 1, and the centre is a drive shaft hole 76, and the spline housing 98 in it connects for helical spline with chain wheel pivoted housing 37, and by little spring 38, distance cover 95, plain cushion 96 location, chain wheel pivoted housing 37 connects starter receiver 39, under pneumatic action, and chain wheel pivoted housing 37 automatic clutchs, and driving starter receiver 39 rotations, starter receiver 39 connects also drive diesel engine rotation.