CN200955572Y - Toggle ratchet drive mechanism of crank-axle-free engine - Google Patents

Abstract

The utility model relates to a transmission institution that is composed of elbow rod and a ratchet wheel, wherein the elbow rod is composed of a connecting rod and a slide bushing swing arm and can convert the to and fro motion into whirling movement. The utility model is characterized in that within the main part of a cylinder is flatly provided with four cylinders whose axes are mutually parallel with each other. The main axis and the slide bushing that has the same axes with the main axis are arranged between the four cylinder and the axes is vertical but not intercrossed with the axes of the cylinder. The slide bushing is provided with two large swing arms and two small swing arms. The piston passes through the connecting rod to be connected with the large swing arms. With the piston moving to and fro, the large swing arms is moving from left to right. The pin roll of the small swing arm is provided with positive and negative-going pawls. When the large swing arm is turning towards left, the negative-going pawl puts the ratchet wheel that is integrated with the main axis to drive the main axis to get contra-rotation. When the large swing arm is turning towards right, the positive-going pawl puts the ratchet wheel assembly to make clockwise rotation and drive the main axis contra-rotate by the mediate wheel, the transmission gear and the gear on the main axis. The utility model is fit for the engine and other mechanical transmission system.

Description

The toggle link ratchet mechanism of Crankless engine

Technical field

The utility model relates to a kind of Crankless engine and other mechanical toggle link ratchet mechanism of being used for.Belong to the mechanical transmissioning technology field.

Background technique

Domestic applications number are the patent of invention of PCT/CN2005/001968 for 200510091222.X and international application no, relate to a kind of with tooth bar, gear and ratchet transmission, the Crankless engine of the electro-magnet switch valve that computerizeds control.Its deficiency is: be subjected to the restriction of machining accuracy, there is the gap in the cooperation between the rack and pinion.When rack and pinion is meshed also high speed to-and-fro motion, can produce vibration.

Summary of the invention

The purpose of this utility model is that a kind of toggle link ratchet mechanism that is used for Crankless engine will be provided, in order to substitute the rack pinion ratchet mechanism in the foregoing invention patent.Vibration when it can alleviate engine running effectively is achieved the scheme of above-mentioned Crankless engine.

The technological scheme that its technical problem that solves the utility model adopts is: in engine cylinder, the cylinder that four axis are parallel to each other is set at least.Cylinder is horizontal arrangement, divides two groups up and down.The axis of every group of two cylinders is parallel to each other, and the certain distance that staggers.A main shaft that has sliding sleeve places in the middle of two groups of cylinders, and the axis of its axis and cylinder is perpendicular, but non-intersect.Two big swing arms and two little swing arms are arranged on sliding sleeve.Their symmetric arrangement, and certain degree angle of staggering mutually.In big swing arm, have groove that parallels with cylinder-bore axis and the pin hole that parallels with main-shaft axis.The major part of two connecting rods places the groove of big swing arm, and is connected with big swing arm with bearing pin.The microcephaly of two connecting rods is connected with two pistons respectively.The bearing pin that is positioned at the swing arm of main shaft upper end has center hole.In the both sides of little swing arm, be fixed with the opposite ratchet of both direction by bearing pin.They respectively be fixed on main shaft on ratchet and be meshed with ratchet that main shaft is rotatably assorted.On the bearing pin of fixed pawl, have the aperture perpendicular with its axis.One and the friction tight Spring Steel Wire insertion of this aperture aperture, and be fixed on the bearing pin.Its cantilever end is pressed on the pin that is fixed in ratchet.Its effect is that ratchet is pressed against on the ratchet.The ratchet and the small gear that are rotatably assorted with main shaft fuse, and are called the gear ratchet assembly.This gear is meshed with idle wheel on the bearing support upper cantilever axle that is installed on cylinder block.Idle wheel is meshed with small gear on the transmission shaft that is fixed on spindle parallel again.These three modules are identical.The gear of gear ratchet assembly equates with small gear joint garden on the transmission shaft.Fix a gearwheel at the other end of transmission shaft.It equates with gearwheel pitch circle on being fixed on main shaft, modulus is identical, and directly is meshed.When the piston of main shaft top moved from right to left, piston promoted sliding sleeve by connecting rod and rotates counterclockwise.A pair of ratchet on the sliding sleeve is meshed with the ratchet on being fixed on main shaft, and drives spindle axis counterclockwise rotation.Another is to the ratchet skid of ratchet and gear ratchet assembly.Meanwhile, sliding sleeve moves from left to right by the connecting rod and the piston of the bearing pin promotion main shaft below of another big swing arm.Otherwise when the piston of main shaft top moved from left to right, connecting rod promoted sliding sleeve and clockwise rotates.A pair of ratchet on the sliding sleeve is meshed with the ratchet of gear ratchet assembly, and the small gear that drives on it clockwise rotates.It drives the gearwheel that is fixed on the main shaft and rotates counterclockwise by small gear and gearwheel on idle wheel, the transmission shaft.Meanwhile, the connecting rod and the piston of the big swing arm drive main shaft below of the sliding sleeve the other end move from right to left.Below the cylinder block top cover, be positioned at connecting rod and sliding sleeve both sides two fixed plates are housed.When corresponding piston was in left and right sides stop on fixed plate, the position of pitman pin center hole had aperture on the sliding sleeve, and two cover photoelectric sensors are housed.When the piston in main shaft top left side moves to left stop, the center hole of swing arm bearing pin just with two phototube coaxial lines of one group of photoelectric sensor in left side.The light that sends of emission phototube was received phototube and received this moment, and optical signal is transformed into electrical signal reached concentrated electrical-controller.The signal that concentrated electrical-controller is sent this signal and other sensor after handling by computer generalization, is confirmed that this piston is in compression end of a period state, and is sent oil spout and firing command to the oil sprayer and the spark plug of this cylinder.This cylinder stroke that takes fire.Meanwhile, concentrate electrical-controller to send the opening and closing instruction, make each cylinder carry out corresponding stroke by promptly deciding the valve of program to other each cylinder.When the piston on right side, main shaft top moves to right stop, the center hole of swing arm bearing pin just with two phototube coaxial lines of one group of photoelectric sensor on right side.The light that sends of emission phototube was received phototube and received this moment, and optical signal is transformed into electrical signal reached concentrated electrical-controller.The signal that concentrated electrical-controller is sent this signal and other sensor after handling by computer generalization, is confirmed that the piston that is positioned at left side, main shaft below is in compression end of a period state, and is sent oil spout and firing command to the nozzle and the spark plug of this cylinder.This cylinder stroke that takes fire.Meanwhile, concentrate electrical-controller to send command adapted thereto to other each cylinder, make each cylinder carry out corresponding stroke by promptly deciding program.Four stroke cycle situation that each cylinder carries out and application number are that the patent of invention of 200510091222.X is described identical, do not repeat them here.The used bearing of this each rotary member of toggle link ratchet mechanism is sliding bearing.This is identical with available engine, does not also give unnecessary details at this.

The utility model changes the to-and-fro motion of piston the reciprocal rotation of sliding sleeve into, and then changes the rotation of main shaft by ratchet and gear mechanism into because adopt the toggle link of being made up of connecting rod and the big swing arm of sliding sleeve to make driving mechanism.The connecting rod line of action of force be the maximum deviation of tangent line of the circle of radius with the big swing arm of sliding sleeve, have only about 1 degree.That is to say that the overwhelming majority of piston force is converted into the moment of torsion of main shaft.And not as conventional engines, a part of masterpiece is used for crankshaft center line, makes deflection of crankshaft.Combustion stroke initial stage particularly, axial thrust load is greater than tangential component, most of useful work changed make into the destructive energy of deflection of crankshaft.So mechanical efficiency of the present utility model is more much higher than conventional engines.Because the suffered lateral force of the utility model piston is little, so piston ring and cylinder body wearing and tearing are few, the life-span is long.Because rotary member of the present utility model all adopts sliding bearing, the bearing compression area is big, and has the pressure oil film to support, so rotary member of the present utility model good buffer effect under the reciprocating force effect is difficult for producing vibration, long service life.Because two groups of piston motion directions of the utility model are opposite, its reciprocal inertia force is cancelled out each other, so the utility model does not have reciprocal inertia force.Reciprocal inertia force can cause engine luggine.And the reciprocal inertia force of conventional engines is bigger, and is difficult to balance.Because the structure of the utility model main shaft and sliding sleeve all is symmetrical, they do not produce centrifugal inertia force when rotating.And centrifugal inertia force can cause the wearing and tearing of engine luggine and main journal.So motor of the present utility model is almost not vibration when work.The life-span of main shaft and bearing is more much longer than conventional engines.Because piston of motor of the present utility model is finished a working stroke, main shaft changes about 1/6 week.Four pistons are all finished a working stroke, and main shaft changeed for 2/3 week.Piston of conventional engines is finished a working stroke, and bent axle changeed for 1/2 week.Four pistons are all finished a working stroke, and main shaft changeed for 2 weeks.The piston diameter of supposing these two kinds of motors is all identical with stroke, and when promptly four pistons were all finished a working stroke, their institute's works equated.Motor of the present utility model and the conventional engines rotating ratio when constant power is 1: 3.Engine speed of the present utility model is slow, and the moving element wearing and tearing are slow, helps prolonging the life-span of motor.The reduction speed ratio of speed changer is low, and its structure also can be simplified.Because engine spindle of the present utility model circles, piston acting number of times is 3 times of conventional engines, and its output torque is big and even, piston does not have the dead point again, so the utility model does not need flywheel, does not need the counter weight of conventional engines yet, can alleviate engine weight, reduce cost.

Description of drawings

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof:

Fig. 1 is the cylinder part sectional view according to the toggle link ratchet mechanism of the Crankless engine that the utility model proposes.

Fig. 2 is the M-A-B-C-N sectional view of Fig. 1.

Fig. 3 is the B-J-C sectional view of Fig. 1.

Fig. 4 is the K-K sectional view of Fig. 2.

Embodiment

Describe the details and the working condition of the concrete structure that the utility model proposes in detail below in conjunction with Fig. 1 to Fig. 4, it is not as to qualification of the present utility model.

The utility model is at least by cylinder block 1, cylinder 2, piston 3, connecting rod 4, main shaft 25, sliding sleeve 14, the ratchet 61 that is connected as one with main shaft, the gear ratchet assembly 27 that is rotatably assorted with main shaft, be fixed on the bearing pin 13 in the big swing arm 24 of sliding sleeve, be fixed on the bearing pin 32 in the little swing arm 34 of sliding sleeve, and the ratchet 29 that is mounted thereon, be fixed on the cantilevered axle 17 on the cylinder block upper bearing bracket 46, and the idle wheel 16 that is rotatably assorted with it, be fixed on small gear 21 and gearwheel 22 on the transmission shaft 23, be fixed on the gearwheel 39 on the main shaft, the photoelectric sensor of being made up of emission phototube 40 and reception phototube 44 constitutes.Cylinder block 1 cylinder iron or aluminum alloy cast.At least process the cylinder 2 that four axis are parallel to each other on it, they are opposed in twos, and the certain distance that staggers mutually.Be cast with cooling jacket 18 in the cylinder block.Piston 3 and wrist pin 11 are identical with available engine.Connecting rod 4 usefulness forged steel or duralumin, hard alumin ium alloy are made, and be similar to existing connecting rod, and just major part is smaller.The major part of two connecting rods is fixed in by bearing pin 13 in the groove of big swing arm 24 of sliding sleeve 14.Distance between the distance of two the connecting rod centreline spaces cylinder body axis corresponding with them equates.The major part of connecting rod is the subdivision structure, and connnecting rod big end is installed on the bearing pin 13 by connecting rod cap 7.For easily manufactured, connnecting rod big end also can be made the overall structure similar to the microcephaly, gives in the appropriate location of cylinder body and stays mounting hole.The bearing shell made from karmarsch alloy 8 is housed between connecting rod and bearing pin.In connecting rod shank, have oilhole 60.Copper sheathing 10 is housed between connecting rod small end and wrist pin.Bearing pin 13 usefulness 40Cr steel are made, and the center has aperture 12.The hole transition fit that parallels with spindle centerline in this pin and the big swing arm.Check ring 42 is equipped with at the two ends of stretching out big swing arm at bearing pin.Sliding sleeve 14 usefulness carbon steels or duralumin, hard alumin ium alloy are made.On sliding sleeve, be symmetrical arranged two big swing arms 24 and two little swing arms 34.The installation situation of connecting rod is same as described above in another big swing arm.The position of staggering an angle of 90 degrees with big swing arm on sliding sleeve is symmetrical arranged two little swing arms 34.In little swing arm, be fixed with the bearing pin made from the 40Cr steel 32.This bearing pin axis and spindle parallel.The part of swing arm is exposed at the bearing pin two ends, and the opposite ratchet of both direction 29 is housed respectively.At the bearing pin bared end check ring 33 is housed, in order to the position of locking pawl.At the ratchet front end pin 30 is housed.Open an aperture in the bearing pin bared end check ring outside with the bearing pin Vertical direction.One is fixed in the aperture with friction tight Spring Steel Wire 31 1 ends of this aperture, and the other end is pressed on the pin 30.Its effect is that ratchet is pressed against on the ratchet.Ratchet 29 available metal rubber materials are made, and also available carbon steel is made, soldering layer of metal rubber material on the ratchet flank of tooth.Sliding sleeve 14 is rotatably assorted with main shaft 25.The bearing housing made from karmarsch alloy 15 is housed between sliding sleeve and main shaft.Main shaft 25 usefulness 40Cr steel are made quenching with Subsequent tempering.Have oil pocket 64 at the alignment of shafts, have oil circuit 47 at corresponding each bearing place.On the bearing support 46 of front-end of spindle, be provided with lubricating oil inlet 45.Bearing housing 55 is housed between main shaft and front-end bearing pedestal.Between main shaft and gear ratchet assembly, axle sleeve 26 is housed.Between main shaft and rear bearing block 37 and 65, bearing shell 36 and 67 are housed.Between bearing housing 15 and 26, bearing shell 36 and 67 and gearwheel 39 between thrust block ring 56 is housed.Above-mentioned axle sleeve, bearing shell and thrust block ring are all made with karmarsch alloy.Be processed with oil baffle disc 35 at the main shaft rear portion.Be processed with spline 69 in rear-end of spindle.Its axle journal matches with rubber seal 68 in being contained in flange 66.The place is processed with internal thread and screw pit at rear-end of spindle oil pocket mouth, and with socket head screw 70 and copper washer 71 oil pocket is sealed.Oil baffle disc 48 and sleeve pipe 50 are housed in the main shaft front portion.They and main shaft transition fit.Rubber seal 49 is equipped with at the place at cylinder block front end spindle hole, matches with main spindle quill 50.The place is processed with internal thread at front-end of spindle oil pocket mouth, and with screw 52, gland 51, copper washer 53 and 54 oil pocket is sealed.Be processed with counterclockwise ratchet 61 at the main shaft rear portion.The gearwheel made from the 40Cr steel 39 is housed at the main shaft rear portion.It is fixedlyed connected with main shaft by key 38.The gear ratchet assembly made from the 40Cr steel 27 is housed in the main shaft front portion.Its ratchet direction is clockwise.The idle wheel 16 usefulness 40Cr steel that are meshed with gear ratchet assembly 27 are made.It is rotatably assorted with the axle of carrier pulley 17 that is fixed in cylinder body.The axle of carrier pulley root section is trapezoidal, and the one end has two ears or side handles of a utensil with holes.On bearing support 46, have the horizontal dovetail groove that matches with the axle of carrier pulley root section.The axle of carrier pulley root inserts in this groove, and groove bottom leaves the gap.With screw axle of carrier pulley 17 is fixed on the bearing support 46.Between the fitting surface of the ears or side handles of a utensil of axle of carrier pulley and bearing support, be lined with red copper and adjust pad 77.Its effect is the matching gap of adjustment and idle wheel associated gear.In bearing support 46 and axle of carrier pulley, be provided with lubricating oil path 75 and 76.The bearing housing made from karmarsch alloy 72 is housed between idle wheel and axle of carrier pulley.Limit the axial position of idle wheel with screw 74 and back-up ring 73.Make with idle wheel pinion in mesh 21 usefulness 40Cr steel.It is by key 19 and transmission shaft 23 secure fit.Transmission shaft 23 usefulness 40Cr steel are made.At its other end by gearwheel 22 made from the 40Cr steel of key 19 secure fit.It is meshed with gearwheel 39 on being fixed on main shaft.Be equipped with the bearing housing made from karmarsch alloy 58 and 62 at the transmission shaft two ends.They are separately fixed in the bearing support made from carbon steel 57 and 63. Bearing support 57 and 63 cross sections are rectangular, have two ears or side handles of a utensil with holes.They respectively by screw on bearing support 46 and 65 with cannelure that it matches in.The gap is left in the bottom of groove.Between the fitting surface of the ears or side handles of a utensil of bearing support 57 and 63 and bearing support 46 and 65, be lined with red copper and adjust pad 77.Its purposes is the matching gap of adjusting between the associated gear.Below the cylinder block top cover made from carbon steel board 9, be fixed with two with the fixed plate of making than thick carbon steel plate 6.Two fixed plates place the big swing arm both sides of sliding sleeve respectively.The vertical line position of the left and right sides stop of the center hole 12 of corresponding big swing arm upper pin 13 on two fixed plates, each bores two dark blind holes.With respect to the position of the left and right sides stop of the center hole 12 of big swing arm upper pin 13, each bores two apertures 41 and 43 with center hole 12 coaxial lines on two fixed plates.Their corresponding with it respectively dark blind holes are connected.Two emission phototubes 40 insert respectively in two dark blind holes of swing arm right side fixed plate together with lead.Its emission phototube head just is in the position of aperture 41.Its lead is connected with concentrated electrical-controller by the tenminal block 5 that is fixed in dark blind hole upper end.Two receive phototube 44 and insert respectively in two dark blind holes of swing arm left side fixed plate together with lead.It receives the position that the phototube head just is in aperture 43.Its lead is connected with concentrated electrical-controller by the tenminal block 5 that is fixed in dark blind hole upper end.In the cylinder block bottom oil sump 20 is housed.Fuel filter 59 places oil sump, and is connected with oil pump by pipeline.Its effect is to reclaim the machine oil of using.The cylinder head of motor and valve control machanism and application number are that the patent of invention of 200510091222.X is described identical, repeat no more.

Working condition of the present utility model is as follows: for sake of convenience, four cylinders by from top to bottom, from left to right, are sorted, respectively called after: E, F, G, H counterclockwise.Suppose that Fig. 1 state at this moment is: cylinder E is in compression end of a period state, and cylinder F is in air-breathing end of a period state, and cylinder G is in exhaust end of a period state, and cylinder H is in burning end of a period state.The center hole 12 of the big swing arm bearing pin 13 of sliding sleeve this moment just is in the position of its left stop A.This moment bearing pin center hole 12 just with two fixed plates on aperture 41 and 43 coaxial lines.The light that emission phototube 40 sends is received phototube 43 and receives, and is transformed into electrical signal and reaches concentrated electrical-controller.Confirm after machine is handled as calculated to should be cylinder E combustion stroke and begin this moment.So send instruction to oil spout and ignition system, make the nozzle oil spout of cylinder E, plug ignition.Send instruction by promptly deciding program to the corresponding mechanism of other cylinder simultaneously, make cylinder F valve complete shut-down.Cylinder G exhaust valve closes, IVO Inlet Valve Open.Cylinder H exhaust valve is opened, and intake valve closes.At this moment the cylinder E stroke that takes fire, cylinder F begins compression stroke, and cylinder G begins suction stroke, and cylinder H begins exhaust stroke.The connecting rod that slides over cylinder E this moment promotes to clockwise rotate down, and the piston by connecting rod promotion cylinder H moves right.The piston that the big swing arm of its other end promotes cylinder F by connecting rod is to left movement, and the piston that spurs cylinder G simultaneously is to left movement.Two clockwise ratchets 29 of the little swing arm 34 of sliding sleeve are meshed with the ratchet 28 of the ratchet of gear ratchet assembly 27 at this moment, and the driven gear ratchet assembly clockwise rotates.The gear of gear ratchet assembly 27 is by idle wheel 16, and the small gear 21 and the gearwheel 22 that drive on the transmission shaft 23 clockwise rotate.Gearwheel 22 is meshed with the gearwheel 39 that is fixed in main shaft, drives spindle axis counterclockwise rotation.When the center hole 12 of big swing arm bearing pin went to right stop D, it and another were to pairing aperture 41 of phototube and 43 coaxial lines.The light that emission phototube 40 sends is received phototube 44 and receives, and is transformed into electrical signal and reaches concentrated electrical-controller.Confirm after machine is handled as calculated to should be cylinder F combustion stroke and begin this moment.So concentrate electrical-controller to send command adapted thereto to each cylinder, make the F cylinder stroke that takes fire, promote sliding sleeve and rotate counterclockwise.Promote G cylinder piston right lateral, beginning compression stroke by connecting rod.Promote E cylinder piston left lateral by another swing arm and connecting rod and carry out exhaust stroke, pulling H cylinder piston left lateral begins suction stroke.Meanwhile, another that is fixed in little swing arm is meshed to the ratchet of ratchet with the counterclockwise ratchet that is fixed in main shaft, drives spindle axis counterclockwise rotation.Be fixed in gearwheel 39 on the main shaft by gear on the transmission shaft and idle wheel, the driven gear ratchet assembly clockwise rotates.Because this moment gear ratchet assembly and sliding sleeve switched in opposite, so the ratchet sky slip corresponding of the ratchet on it with it.Resemble top working stroke and continue, can discharge the working procedure of each cylinder: from the state of Fig. 1, cylinder E: burning, exhaust, air-breathing, compression.Cylinder F: compression, burning, exhaust, air-breathing.Cylinder G: air-breathing, compression, burning, exhaust.Cylinder H: exhaust, air-breathing, the compression, the burning.After each cylinder is all finished once above-mentioned four stroke cycle, will continue to repeat above-mentioned circulation.Except that the sliding sleeve rotation, all gear rotates to same direction all the time.Forward and reverse two cover ratchet alternations are all passed to main shaft with power, and main shaft is rotated along same direction all the time.

Claims (3)

1, a kind of toggle link ratchet mechanism of Crankless engine, it is characterized in that: in cylinder block (1), be horizontally disposed with the cylinder (2) that at least four axis are parallel to each other, they divide two groups up and down, relative in twos, and certain distance mutually staggers, a main shaft (25) that has sliding sleeve (14) places between two groups of cylinders, the axis of its axis and cylinder is perpendicular, but it is non-intersect, two big swing arms (24) and two little swing arms (34) are arranged on sliding sleeve, their symmetric arrangement, and stagger mutually, in big swing arm, have the groove that parallels with cylinder-bore axis, with the pin-and-hole that parallels with main-shaft axis, bearing pin (13) matches with this pin-and-hole, the major part of two connecting rods places the groove of big swing arm, and be rotatably assorted with bearing pin (13), at the bearing pin bared end check ring (42) is housed, the microcephaly of connecting rod is connected with piston, in little swing arm (34), be fixed with bearing pin (32), this bearing pin axis and spindle parallel, the part of swing arm is exposed at the bearing pin two ends, the opposite ratchet of both direction (29) is housed respectively, at the bearing pin bared end check ring (33) is housed, at the ratchet front end pin (30) is housed, open an aperture in the bearing pin bared end check ring outside with the bearing pin Vertical direction, one is fixed in the aperture with the friction tight Spring Steel Wire of this aperture (3 a 1) end, the other end is pressed on the pin (30), sliding sleeve (14) is rotatably assorted with main shaft (25), is processed with counterclockwise ratchet (61) at the main shaft rear portion, locates to be fixed with gearwheel (39) at the main shaft rear portion near ratchet (61), it is fixedlyed connected with main shaft by key (38), gear ratchet assembly (27) is housed in the main shaft front portion, is rotatably assorted with main shaft, its ratchet direction is clockwise, the idle wheel (16) that is meshed with gear ratchet assembly (27), be rotatably assorted with the axle of carrier pulley (17) that is fixed on the bearing support (46), the axle of carrier pulley root section is trapezoidal, and the one end has two ears or side handles of a utensil with holes, on bearing support (46), have the horizontal dovetail groove that matches with the axle of carrier pulley root section, the axle of carrier pulley root inserts in this groove, and groove bottom leaves the gap, with screw and pin axle of carrier pulley (17) is fixed on the bearing support (46), between the fitting surface of the ears or side handles of a utensil of axle of carrier pulley and bearing support, be lined with and adjust pad (77), with idle wheel pinion in mesh (21) and transmission shaft (23) secure fit, transmission shaft and spindle parallel, the gear of gear ratchet assembly (27) is identical with small gear (21) modulus with idle wheel (16), the gear of gear ratchet assembly (27) equates with small gear (21) pitch circle, by key (a 19) gearwheel of secure fit (22), it is identical with gearwheel (39) modulus on being fixed on main shaft at the other end of transmission shaft, and pitch circle is equal, directly engagement, be equipped with sliding bearing sleeve (58) and (62) at the transmission shaft two ends, they are separately fixed in bearing support (57) and (63), and bearing support (57) and (63) cross section are rectangular, have two ears or side handles of a utensil with holes, they respectively by screw in the cannelure that go up bearing support (46) and (65) with it matches, the gap is left in the bottom of groove, is lined with adjustment pad (77) between the fitting surface of the ears or side handles of a utensil of bearing support (57) and (63) and bearing support (46) and (65), all the bearing of rotary member adopts sliding bearing, pressure lubrication below cylinder block top cover (9), is fixed with two fixed plates (6), two fixed plates place the big swing arm both sides of sliding sleeve respectively, the vertical line position of the left and right sides stop of the center hole (12) of corresponding big swing arm upper pin (13) on two fixed plates, each bores two dark blind holes, on two fixed plates with respect to the position of the left and right sides stop of the center hole (12) of big swing arm upper pin (13), each bores two aperture (41) and (43) with bearing pin center hole (12) coaxial line, their corresponding with it respectively dark blind holes are connected, and two emission phototubes (40) insert respectively in two dark blind holes of swing arm right side fixed plate together with lead, and its emission phototube head just is in the position of aperture (41), its lead is connected with concentrated electrical-controller, two reception phototubes (44) insert respectively in two dark blind holes of swing arm left side fixed plate together with lead, and it receives the position that the phototube head just is in aperture (43), and its lead is connected with concentrated electrical-controller.

2, toggle link ratchet mechanism according to claim 1, it is characterized in that: ratchet is made with metal rubber material.

3, toggle link ratchet mechanism according to claim 1, it is characterized in that: ratchet is made with carbon steel, soldering layer of metal rubber material on the ratchet flank of tooth.

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