CN106402362A - Real-time gap-eliminating type weak-rigidity push rod oscillating gear transmission device - Google Patents

Abstract

The invention discloses a real-time gap-eliminating type weak-rigidity push rod oscillating gear transmission device. The device mainly comprises a weak-rigidity push rod oscillating gear, a bearing B, an input shaft end cover, a rack end cover, an input shaft, a key B, a five-section spliced type wave shocking device, a bearing B, a shaft sleeve, an oscillating gear bracket, a bearing A, a rack, a center wheel, an oscillating gear bracket end cover, a bolt, a key A, an output shaft and a bearing. The weak-rigidity push rod oscillating gear comprises an upper push rod, an annular clamping ring, a spring, a lower push rod, a cylindrical boss A, a cylindrical boss B, a bearing A, a bearing B, a hinge pin A and a hinge pin B. By means of the real-time gap-eliminating type weak-rigidity push rod oscillating gear transmission device, the effects that wear is slowed down, gaps are eliminated in real time, and impact is slowed down can be achieved, and the service life of a reducer is prolonged.

Description

One kind disappears gap type weak solid lifter active-tooth transmission in real time

Technical field

The present invention relates to a kind of active-tooth transmission, particularly to push-rod oscillating tooth decelerator disappear gap method design with grind Study carefully.

Background technology

Oscillating Tooth Gear Reducer has high transmission accuracy, gearratio is big, gearratio is stable, moment of torsion is big, noise is little, small volume etc. is excellent Point, due to its superior transmission performance, movable teeth reducer is widely used in light industry.But in active-tooth transmission, push rod Oscillating tooth is coordinated for gap with the cooperation of centre wheel and shock wave device, and itself just has gap, and in the backhaul stage, meeting and shock wave device have short Temporary separation, under the impetus of shock wave device, when push-rod oscillating tooth is engaged with centre wheel, shock wave device again, will produce impact； In addition, in transmission process, the abrasion of oscillating tooth Meshing Pair, subtracts so that impact phenomenon becomes apparent from than more serious in transmission process Fast device also can produce larger return difference so that transmission performance reduces, and reduces the service life of decelerator.

Content of the invention

It is an object of the invention to provide a kind of slow down abrasion, the gap that disappears in real time and the effect slowing down impact, improve decelerator Service life the gap type that disappears in real time weak solid lifter active-tooth transmission.

The invention mainly comprises weak solid lifter oscillating tooth, bearing B, input shaft end cap, frame end cap, input shaft, key B, five The spliced shock wave device of section, bearing B, axle sleeve, oscillating tooth carrier, bearing A, frame, centre wheel, oscillating tooth carrier end cap, bolt, key A, output shaft And bearing.

Wherein, weak solid lifter oscillating tooth includes upper push-rod, circumferential clasp, spring, lower push-rod, cylinder boss A, cylinder boss B, bearing A, bearing B, bearing pin A and bearing pin B.Upper push-rod is the channel steel type of lateral opening, and the Meshing Pair end of upper push-rod is provided with one group The mutually corresponding through hole in position, the contact jaw of upper push-rod is provided with an axially extending bore, and the inside of axially extending bore is provided with circumferential clasp. The diameter of the axially extending bore of upper push-rod contact jaw is identical with the internal diameter of spring.Lower push-rod is the channel steel type of lateral opening, lower push-rod Meshing Pair end be provided with the mutually corresponding through hole in one group of position, it is convex that the contact jaw of lower push-rod is provided with the different cylinder of two-layer diameter Platform, respectively cylinder boss A and cylinder boss B, the diameter of cylinder boss A is identical with the external diameter of spring, the diameter of cylinder boss B Identical with the diameter of the circumferential clasp of upper push-rod.Cylinder boss B is plugged in the circumferential clasp of upper push-rod, and spring is socketed in cylinder On boss B, one end of spring is adjacent with the circumferential clasp of upper push-rod.It is equipped with one in the Meshing Pair end of upper push-rod and lower push-rod Individual bearing, respectively bearing A and bearing B, bearing pin A is plugged in the through hole in the middle part of the end of engagement through hole of upper push-rod and bearing A, pin Axle B is plugged in the through hole in the middle part of the end of engagement through hole of lower push-rod and bearing B.Input shaft end cap passes through bolt phase with frame end cap Even, bearing B is connected with frame end cap.The side of input shaft is connected with bearing, and the other end of input shaft passes through key B and five sections of splicings Formula shock wave device connects.It is provided with axle sleeve between five sections of spliced shock wave devices and bearing B.The side of oscillating tooth carrier is connected with bearing A, axle Hold A to be connected with frame.Weak solid lifter oscillating tooth is located in the guide groove of oscillating tooth carrier, weak solid lifter oscillating tooth and centre wheel, five sections Spliced shock wave device forms Meshing Pair.Oscillating tooth carrier is bolted with oscillating tooth carrier end cap.Oscillating tooth carrier passes through key A and output shaft Side is connected, and the opposite side of output shaft is connected with bearing, and bearing is connected with frame, and frame is connected by bolt with centre wheel.

The theoretic profile of five sections of spliced shock wave devices of the present invention is made up of five sections of spliced equation curves, five sections The rise part of spliced shock wave device is divided into boost phase, constant velocity stage and decelerating phase three part, the tooth profile equation of backhaul with The tooth profile equation of rise is symmetrical.The displacement equation formula of five sections of spliced shock wave device a cycles is：

To the rectangular equation of the theoretic profile curve of five sections of spliced shock wave devices it is as available from the above equation：

In formula, x, y are the horizontal stroke of five sections of spliced shock wave devices, ordinate, s₁For the displacement of five sections of spliced shock wave devices, θ is Corner, h is the stroke of five sections of spliced shock wave devices, and ω is coefficient of angularity, and φ is the angle corresponding to rise, i.e. cycle T=2 φ, φ₁For the termination point of first paragraph, and 2 π=ω φ₁, φ=b φ₁, b is an integer more than 2, and R is five sections of splicings The base radius of formula shock wave device.

The pitch curve equation of centre wheel of the present invention is to be changed by the pitch curve equation of five sections of spliced shock wave devices Become base radius and obtain after the cycle.The equation formula of centre wheel (7) a cycle is：

In formula, the horizontal stroke of wheel, ordinate centered on X, Y, l is that the weak upper push-rod of solid lifter oscillating tooth is connect with the end face of lower push-rod The centre-to-centre spacing of bearings at both ends when tactile, R is the base radius of five sections of spliced shock wave devices, and θ is corner, s₁' centered on wheel displacement, Its expression formula and s₁Expression formula and parameters relationship completely the same, wherein φ₁=(i-1) φ₁′.

The stage casing of five sections of spliced shock wave device rises of patent of the present invention is uniform motion, no acceleration so that weak rigidity Internal force suffered by push-rod oscillating tooth reduces, so that the frictional force of weak solid lifter oscillating tooth and centre wheel and five sections of spliced shock wave devices Reduce, and, weak solid lifter oscillating tooth two ends use bearing A, change sliding friction is rolling friction, significantly slows down push-rod oscillating tooth and nibbles Close secondary abrasion.

The present invention use when, equipped with spring so that push-rod oscillating tooth has weak rigidity inside push-rod oscillating tooth, spring when initial It is in compressive state, in the backhaul stage, spring section recovers so that push-rod oscillating tooth remains and the connecing of centre wheel and shock wave device Touch, when spring is compressed again, under the cushioning effect of elastic force, active force when upper push-rod is contacted with lower push-rod reduces, and plays Reduce the effect of impact.So that push-rod oscillating tooth under the collective effect of five sections of spliced shock wave devices and weak solid lifter oscillating tooth Abrasion is reduced, and improves the transmission performance of push-rod oscillating tooth decelerator, extends the service life of decelerator.

The present invention compared with prior art has the advantage that：Abrasion, the gap that disappears in real time and the effect slowing down impact can be slowed down, Improve the service life of decelerator.

Brief description

Fig. 1 is that the present invention disappears the profile of gap type weak solid lifter movable teeth reducer in real time.

Fig. 2 is weak solid lifter oscillating tooth structure chart.

Fig. 3 primary structure schematic diagram.

The spliced shock wave device schematic diagram of five sections of Fig. 4.

Fig. 5 is upper push-rod schematic diagram.

Fig. 6 is lower push-rod schematic diagram.

Fig. 7 is centre wheel schematic diagram.

Fig. 8 is the stroke schematic diagram of shock wave device a cycle.

Fig. 9 is the class speed schematic diagram of shock wave device a cycle.

Figure 10 is the class acceleration schematic diagram of shock wave device a cycle.

Figure 11 is class degree of the quivering schematic diagram of shock wave device a cycle.

In above-mentioned accompanying drawing：1. output shaft, 2. bearing, 3. key A, 4. bearing A, 5. frame, 6. oscillating tooth carrier, 7. centre wheel, 8. frame end cap, 9. bearing A, 10. upper push-rod, 11. springs, 12. lower push-rods, 13. bearing pin B, 14. 5 sections of spliced shock wave devices, 15. input shaft end caps, 16. key B, 17. axle sleeves, 18. input shafts, 19. bearing B, 20. bolts, 21. oscillating tooth carrier end caps, 22. bearings B, 23. bearing pin A.

Specific embodiment

In the simplified schematic diagram of the present invention shown in Fig. 1 to Fig. 7, weak solid lifter oscillating tooth include upper push-rod, circumferential clasp, Spring, lower push-rod, cylinder boss A, cylinder boss B, bearing A, bearing B, bearing pin A and bearing pin B.Upper push-rod 10 is lateral opening Channel steel type, the Meshing Pair end of upper push-rod is provided with the mutually corresponding through hole in one group of position, and the contact jaw of upper push-rod is provided with an axial direction Through hole, the inside of axially extending bore is provided with circumferential clasp.The internal diameter phase of the diameter of the axially extending bore of upper push-rod contact jaw and spring 11 With.Lower push-rod 12 is the channel steel type of lateral opening, and the Meshing Pair end of lower push-rod is provided with the mutually corresponding through hole in one group of position, under push away The contact jaw of bar is provided with the different cylinder boss of two-layer diameter, respectively cylinder boss A and cylinder boss B, and cylinder boss A's is straight Footpath is identical with the external diameter of spring, and the diameter of cylinder boss B is identical with the diameter of the circumferential clasp of upper push-rod.Cylinder boss B grafting In the circumferential clasp of upper push-rod, spring is socketed on cylinder boss B, and one end of spring is adjacent with the circumferential clasp of upper push-rod. It is equipped with a bearing, respectively bearing A9 and bearing B22, bearing pin A23 grafting in the Meshing Pair end of upper push-rod and lower push-rod In the through hole in the middle part of the end of engagement through hole and bearing A of upper push-rod, bearing pin B13 is plugged on end of engagement through hole and the bearing of lower push-rod In through hole in the middle part of B19.Input shaft end cap 15 is connected by bolt with frame end cap 8, and bearing B is connected with frame end cap 8.Input The side of axle is connected with bearing, and the other end of input shaft 18 is connected with five sections of spliced shock wave devices 14 by key B16.Spell at five sections Connect and between formula shock wave device and bearing 19, be provided with axle sleeve 17.The side of oscillating tooth carrier 6 is connected with bearing A4, and bearing A is connected with frame 5 Connect.Weak solid lifter oscillating tooth is located in the guide groove of oscillating tooth carrier 6, weak solid lifter oscillating tooth and 7, five sections of spliced shock wave devices of centre wheel Composition Meshing Pair.Oscillating tooth carrier is connected by bolt 20 with oscillating tooth carrier end cap 21.Oscillating tooth carrier passes through the side phase of key A3 and output shaft 1 Even, the opposite side of output shaft is connected with bearing 2, and bearing is connected with frame, and frame is connected by bolt with centre wheel 7.

Five sections of spliced shock wave devices of the present invention are that three teeth are poor, its cycle,Stroke h=4mm, constant b=5, that is, The corner of boost phase,Coefficient of angularity ω=30, numerical value is brought in formula and can be obtained, five sections of spliced shock wave devices Displacement equation is：

The base radius R=50mm of five sections of spliced shock wave devices, by s₁Expression formula bring in transverse and longitudinal coordinate expression formula i.e. The pitch curve coordinate of five sections of spliced shock wave device a cycles can be tried to achieve, the radius r=5mm of bearing A, further according to interior equidistant song Line principle just can get the cam profile of five sections of spliced shock wave devices.

For 5, that is, center tooth number is 12 to the co-rotating transmission of this decelerator ratio, centre wheel cycleRigidity The l=40mm during end contact of the upper push-rod of push-rod oscillating tooth and lower push-rod, thus can obtain the pitch curve coordinate of centre wheel, then root The cam profile of centre wheel can be obtained according to outer equidistant principle.

Obtained by Fig. 8,9,10,11, the class speed of five sections of spliced shock wave devices, class acceleration, class degree of quivering are continuous change Change, i.e. cam principle no rigid shock, also no soft impulse.Rise stage casing weak solid lifter oscillating tooth is uniform motion, no accelerates Degree, suffered internal force is less.

This decelerator ensures the biography of decelerator under the collective effect of weak solid lifter oscillating tooth and five sections of spliced shock wave devices Dynamic performance, the service life of prolonged deceleration device.

Claims (3)

1. one kind disappears gap type weak solid lifter active-tooth transmission in real time, mainly includes weak solid lifter oscillating tooth, bearing B, input Hubcap, frame end cap, input shaft, key B, five sections of spliced shock wave devices, bearing B, axle sleeve, oscillating tooth carrier, bearing A, frame, centers Wheel, oscillating tooth carrier end cap, bolt, key A, output shaft and bearing it is characterised in that：Weak solid lifter oscillating tooth includes upper push-rod, annular Snap ring, spring, lower push-rod, cylinder boss A, cylinder boss B, bearing A, bearing B, bearing pin A and bearing pin B, upper push-rod is opened for side Mouthful channel steel type, the Meshing Pair end of upper push-rod is provided with the mutually corresponding through hole in one group of position, and the contact jaw of upper push-rod is provided with one Axially extending bore, the inside of axially extending bore is provided with circumferential clasp, the diameter of the axially extending bore of upper push-rod contact jaw and the internal diameter of spring Identical, lower push-rod is the channel steel type of lateral opening, and the Meshing Pair end of lower push-rod is provided with the mutually corresponding through hole in one group of position, under push away The contact jaw of bar is provided with the different cylinder boss of two-layer diameter, respectively cylinder boss A and cylinder boss B, and cylinder boss A's is straight Footpath is identical with the external diameter of spring, and the diameter of cylinder boss B is identical with the diameter of the circumferential clasp of upper push-rod, cylinder boss B grafting In the circumferential clasp of upper push-rod, spring is socketed on cylinder boss B, and one end of spring is adjacent with the circumferential clasp of upper push-rod, It is equipped with a bearing, respectively bearing A and bearing B in the Meshing Pair end of upper push-rod and lower push-rod, bearing pin A is plugged on and pushes away In through hole in the middle part of the end of engagement through hole of bar and bearing A, bearing pin B is plugged in the middle part of end of engagement through hole and the bearing B of lower push-rod In through hole, input shaft end cap is connected by bolt with frame end cap, and bearing B is connected with frame end cap, the side of input shaft and axle Hold connected, the other end of input shaft is connected with five sections of spliced shock wave devices by key B, in five sections of spliced shock wave devices and bearing B Between be provided with axle sleeve, the side of oscillating tooth carrier is connected with bearing A, and bearing A is connected with frame, and weak solid lifter oscillating tooth is located at oscillating tooth In the guide groove of frame, weak solid lifter oscillating tooth forms Meshing Pair, oscillating tooth carrier and oscillating tooth frame end with centre wheel, five sections of spliced shock wave devices Lid is bolted, and oscillating tooth carrier is connected with the side of output shaft by key A, and the opposite side of output shaft is connected with bearing, bearing It is connected with frame, frame is connected by bolt with centre wheel.

2. one kind according to claim 1 disappear in real time gap type weak solid lifter active-tooth transmission it is characterised in that：Five sections The theoretic profile of spliced shock wave device is made up of five sections of spliced equation curves, and the rise part of five sections of spliced shock wave devices is divided For boost phase, constant velocity stage and decelerating phase three part, the tooth profile equation of backhaul is symmetrical with the tooth profile equation of rise, five sections of spellings The displacement equation formula connecing formula shock wave device a cycle is：

$s_1=\left\{\begin{array}{c}\frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}\cos \left(\mathrm{\ω}\mathrm{\θ}\right)+\frac{h}{2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}{\mathrm{\θ}}^2-\frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)},\mathrm{\θ}\∈(0,{\mathrm{\φ}}_1)\\ \frac{h}{\mathrm{\φ}-{\mathrm{\φ}}_1}\mathrm{\θ}-\frac{{\mathrm{h\φ}}_1}{2(\mathrm{\φ}-{\mathrm{\φ}}_1)},\mathrm{\θ}\∈({\mathrm{\φ}}_1,\mathrm{\φ}-{\mathrm{\φ}}_1)\\ -\frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}\cos \left(\mathrm{\ω}\mathrm{\θ}\right)-\frac{h}{2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}{\mathrm{\θ}}^2+\frac{h\mathrm{\φ}}{{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}\mathrm{\θ}+\frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}+\frac{h(2{\mathrm{\φ\φ}}_1-2{\mathrm{\φ}}_1^2-{\mathrm{\φ}}^2)}{2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)},\mathrm{\θ}\∈(\mathrm{\φ}-{\mathrm{\φ}}_1,\mathrm{\φ}+{\mathrm{\φ}}_1)\\ -\frac{h}{\mathrm{\φ}-{\mathrm{\φ}}_1}\mathrm{\θ}+\frac{h(4\mathrm{\φ}-{\mathrm{\φ}}_1)}{2(\mathrm{\φ}-{\mathrm{\φ}}_1)},(\mathrm{\φ}+{\mathrm{\φ}}_1,2\mathrm{\φ}-{\mathrm{\φ}}_1)\\ \frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}\cos \left(\mathrm{\ω}\mathrm{\θ}\right)+\frac{h}{2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)}{(2\mathrm{\φ}-\mathrm{\θ})}^2-\frac{h}{{\mathrm{\ω}}^2{\mathrm{\φ}}_1(\mathrm{\φ}-{\mathrm{\φ}}_1)},(2\mathrm{\φ}-{\mathrm{\φ}}_1,2\mathrm{\φ})\end{array}\right.$

To the rectangular equation of the theoretic profile curve of five sections of spliced shock wave devices it is as available from the above equation：

$\left\{\begin{array}{c}x=(s_1+R)cos\left(\mathrm{\θ}\right)\\ y=(s_1+R)sin\left(\mathrm{\θ}\right)\end{array}\right.$

In formula, x, y are the horizontal stroke of five sections of spliced shock wave devices, ordinate, s₁For the displacement of five sections of spliced shock wave devices, θ is corner, h For the stroke of five sections of spliced shock wave devices (14), ω is coefficient of angularity, and φ is the angle corresponding to rise, i.e. cycle T=2 φ, φ₁For the termination point of first paragraph, and 2 π=ω φ₁, φ=b φ₁, b is an integer more than 2, and R is spliced for five sections The base radius of shock wave device.

3. one kind according to claim 2 disappear in real time gap type weak solid lifter active-tooth transmission it is characterised in that：Center The pitch curve equation of wheel is to be changed base radius and obtained after the cycle by the pitch curve equation of five sections of spliced shock wave devices, in The equation formula of heart wheel a cycle is：

$\left\{\begin{array}{c}X=(s_1^{\′}+R+l)cos\left(\mathrm{\θ}\right)\\ Y=(s_1^{\′}+R+l)sin\left(\mathrm{\θ}\right)\end{array}\right.$

In formula, the horizontal stroke of wheel, ordinate centered on X, Y, when l is the end contact of upper push-rod and the lower push-rod of weak solid lifter oscillating tooth The centre-to-centre spacing of bearings at both ends, R is the base radius of five sections of spliced shock wave devices, and θ is corner, s '₁Centered on wheel displacement, its table Reach formula and s₁Expression formula and parameters relationship completely the same, wherein φ₁=(i-1) φ '₁.