CN202158144U

CN202158144U - Multistage pinwheel output pin swing planetary transmission speed reducer

Info

Publication number: CN202158144U
Application number: CN2011202591722U
Authority: CN
Inventors: 鲍君华; 何卫东; 卢琦; 何倩茜
Original assignee: Dalian Jiaotong University
Current assignee: Dalian Jiaotong University
Priority date: 2011-07-20
Filing date: 2011-07-20
Publication date: 2012-03-07
Anticipated expiration: 2021-07-20

Abstract

The multi-stage pin wheel output needle pendulum planetary transmission reducer is a multi-stage planetary reducer constructed from the first stage transmission and the second stage transmission or more stages of transmission based on the basic pin wheel output needle pendulum planetary transmission type. , the output shaft of the upper stage is directly connected with the input shaft of the next stage, and its shaft parts are supported by interstage connecting flanges, and the connecting flanges also serve the purpose of connecting the two-stage transmission box; The shaft, output shaft, pin wheel, and column pin structure all realize effective and stable support. The beneficial effects of the utility model are: the carrying capacity of the whole machine is at least doubled, and the range of transmission ratio and operating speed is increased at the same time, the balance of force and moment in the transmission process is realized, the rigidity of the system is increased, and the The transmission accuracy and anti-vibration ability have a longer working life and the cost performance is improved.

Description

Multistage pinwheel output needle pendulum Gear Planet Transmission retarder

Technical field

The utility model patent belongs to the mechanical transmissioning technology field, relates in particular to the pinwheel output needle pendulum Gear Planet Transmission retarder of multistage transmission.

Background technique

Tradition cycloidal-pin wheel gearing speed-reducer all has a common weakness: pinwheel is fixed, and cycloid wheel cast-over crop rotation planetary motion must have an independent output mechanism thus; And rotary arm bearing is in planet wheel (cycloid wheel); Size receives the restriction of planet wheel, because the restriction output mechanism of structure can only adopt cantilever structure, has limited the quantity as the cycloid wheel of planet wheel simultaneously; Usually can only adopt two cycloid wheel; Can't realize the equilibrium problem of moment in the transmission process, the raising of the intensity of simultaneity factor rigidity and each parts all is restricted, thereby has restricted the further raising of complete machine bearing capacity.For solving this technical problem, application number is that 200820218490.2 patent discloses pinwheel output needle pendulum Gear Planet Transmission retarder, and the deficiency of this pinwheel output needle pendulum Gear Planet Transmission retarder is to belong to single reduction gear, and application area is restricted.

Summary of the invention

The purpose of the utility model is in order to overcome above-mentioned deficiency, the multistage pinwheel output needle pendulum Gear Planet Transmission retarder that a kind of bearing capacity is high, transmission efficiency is high, cost performance is high to be provided.

The utility model solves the technological scheme that its technical problem adopted: multistage pinwheel output needle pendulum Gear Planet Transmission retarder; The drive mechanism that comprises basic pinwheel output needle pendulum Gear Planet Transmission pattern; The drive mechanism of basic pinwheel output needle pendulum Gear Planet Transmission pattern mainly comprises input shaft, input shaft spring bearing, pin supporting disk, casing, eccentric bushing, cycloid wheel, rotary arm bearing, roller, pin, pin supporting disk, gear pin cover, pinwheel, pinwheel output disc and pinwheel spring bearing; Casing comprises input end case lid, output terminal case lid, upper box and the lower box that connects with attachment bolt; Two one group of cycloid wheel; Totally four, the corresponding rotary arm bearing of each sheet cycloid wheel, cycloid wheel is accomplished pin pendulum Gear Planet Transmission with gear pin cover group engagement driving in the process of space translation; Pinwheel one end and output disc are fixedly connected; The pin left end is fixedly connected on the pin supporting disk; Right-hand member is fixedly connected on the input end case lid; It is characterized in that said multistage pinwheel output needle pendulum Gear Planet Transmission retarder comprises first order drive mechanism and the later drive mechanism of the in-line second level drive mechanism or the second level; Said first order drive mechanism is the drive mechanism of basic pinwheel output needle pendulum Gear Planet Transmission pattern; The input end case lid of said second level drive mechanism casing is a connecting flange; The connecting flange center portion has bearing hole; Connecting flange one end is fixedly connected on second level drive mechanism upper box and lower box; The other end is fixedly connected on the upper box and lower box of first order drive mechanism, connecting flange be the input end case lid of second level drive mechanism casing be again the output terminal case lid of the first rank drive mechanism; Said second level drive mechanism also comprises the right supporting disk of second level pinwheel; Said second level drive mechanism pin supporting disk comprises second level pin left side supporting disk and pin right side, second level supporting disk; Have output shaft on the drive mechanism output disc of the said second level; Said second level drive mechanism input shaft and first order drive mechanism output disc are fixedly connected; Said second level drive mechanism pin is fixed on the supporting disk of the pin left and right sides, the second level; Pin right side, second level supporting disk is fixed on the connecting flange; Pin left side, second level supporting disk is supported in the drive mechanism output disc inner bearing hole, the second level through the supporting disk spring bearing; Said second level drive mechanism pinwheel one end is fixed on the right supporting disk of second level pinwheel; The other end is fixed on the drive mechanism output disc of the second level, and pinwheel right supporting disk in the second level is supported on connecting flange bearing hole outer surface through the right supporting disk spring bearing of second level pinwheel, and said second level drive mechanism output disc is supported in the bearing hole of second level drive mechanism output axle head case lid through second level drive mechanism output shaft spring bearing; Said second level drive mechanism input shaft right-hand member is supported in the bearing hole of connecting flange through second level input shaft spring bearing, and left end is supported in the supporting disk bearing hole of pin left side, the second level through second level input shaft spring bearing; Second level output shaft connects with input shaft with the next stage drive mechanism, and the rest may be inferred, and the output shaft of upper level drive mechanism connects with the input shaft of next stage drive mechanism, the gear stage that formation needs.

The said multistage pinwheel output needle pendulum Gear Planet Transmission retarder of the utility model; It is characterized in that said first order drive mechanism pinwheel one end is supported on the casing of first order drive mechanism through the first order pinwheel spring bearing of first order drive mechanism; The other end is supported on the connecting flange through the output disc of the first order drive mechanism that is fixedly connected with it, second level drive mechanism input shaft right-hand member spring bearing be second level drive mechanism input shaft right-hand member spring bearing be again the output disc spring bearing of first order drive mechanism.

The utility model is purpose to use in-line multistage driving type to obtain bigger velocity ratio; Adopt reasonable structural design to improve the support stiffness of driving parts; Improve supporting structure; The supporting structure of members such as comprising input shafts at different levels, output shaft, pinwheel, pin is all strengthened, overcome the deficiency of conventional needle pendulum Gear Planet Transmission.

The beneficial effect of the utility model is: the bearing capacity of similar retarder complete machine is increased at least be twice; The power of complete machine in transmission process and the balance of moment have been realized simultaneously; Give full play to transmission advantages such as the multiple tooth conjugation engagement of pin pendulum Gear Planet Transmission and the hard flank of tooth, obtained bigger bearing capacity and long service live more; Increase the rigidity of system, improved transmission accuracy, reduced the complete machine natural frequency of vibration, improved the antivibration ability; Also increase machine weight as few as possible, the cost performance of retarder is improved.

Description of drawings

The utility model has accompanying drawing two width of cloth, wherein

Fig. 1 is the utility model pinwheel output needle pendulum Gear Planet Transmission reducer structure schematic representation.

Fig. 2 is the utility model pinwheel output needle pendulum Gear Planet Transmission retarder first order drive mechanism schematic representation.

Among the figure: 1, second level input shaft left side spring bearing, 2, second level output disc, 3, second level pin left side supporting disk, 4, the output shaft spring bearing, 5, second level pin supporting disk spring bearing; 6, output axle head case lid, 7, Cock screw, 8, attachment bolt, 9, second level upper box lid, 10, second level pinwheel; 11, second level gear pin cover group, 12, second level roller, 13, second level cycloid wheel, 14, second level rotary arm bearing, 15, second level pin; 16, the right supporting disk of second level pinwheel, 17, bolt, 18, right pin supporting disk, 19, connecting flange, 20, the right supporting disk spring bearing of second level pinwheel; 21, the right spring bearing of second level input shaft, 22, bolt, 23, the pinwheel attachment bolt, 24, first order pinwheel output disc, 25 first order upper box lids; 26, first order pinwheel, 27, first order pinwheel spring bearing, 28, bolt, 29, first order gear pin cover group, 30, Cock screw; 31, first order input end case lid, 32, first order pin, 33, first order roller, 34, first order cycloid wheel, 35, first order rotary arm bearing; 36, first order input shaft spring bearing, 37, first order eccentric bushing, 38, first order input shaft, 39, first order input shaft spring bearing; 40, first order pin supporting disk, 41, first order pin supporting disk spring bearing, 42, first order lower box, 43, bolt; 44, second level eccentric bushing, 45, bolt, 46, second level input shaft, 47, second level lower box.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.The mode of execution that accompanying drawing provides is a two-stage pinwheel output needle pendulum Gear Planet Transmission retarder.

Two-stage pinwheel output needle pendulum Gear Planet Transmission retarder; First order pinwheel output needle pendulum Gear Planet Transmission structure mainly comprises input shaft 38, input shaft spring bearing 36,39, pin supporting disk 40,

casing

31,25,42, eccentric bushing 37, cycloid wheel 34, rotary arm bearing 35, roller 33, pin 32, pin supporting disk 40, gear pin cover 29, pinwheel 26, pinwheel output disc 24 and pinwheel spring bearing 27; Casing comprises input end case lid 31, upper box 25 and the lower box 42 that connects with

attachment bolt

43,28; 34 two one group of cycloid wheel; Totally four; The corresponding rotary arm bearing of each sheet cycloid wheel, cycloid wheel 34 are organized 29 engagement driving with the gear pin cover and are accomplished pin pendulum Gear Planet Transmission in the process of space translation; Pinwheel 26 1 ends and output disc 24 are fixedly connected; Pin 32 left ends are fixedly connected on pin supporting disk 40; Right-hand member is fixedly connected on input end case lid 31; The input end case lid of second level drive mechanism casing is a connecting flange 19; Connecting flange 19 center portions have bearing hole; Connecting flange 19 1 ends are fixedly connected on second level drive mechanism upper box 9 and lower box 47, and the other end is fixedly connected on the upper box 25 of first order drive mechanism and lower box 42, connecting flange 19 be the input end case lid of second level drive mechanism casing be again the output terminal case lid of the first rank drive mechanism; Second level drive mechanism also comprises the right supporting disk 16 of second level pinwheel; Second level drive mechanism pin supporting disk comprises pin left side, second level supporting disk 3 and pin right side, second level supporting disk 18; Have output shaft on the second level drive mechanism output disc 2; Second level drive mechanism input shaft 46 is fixedly connected with first order drive mechanism output disc 24; Second level drive mechanism pin 15 is fixed on the pin left and right sides, the second level supporting disk 3,18; Pin right side, second level supporting disk 18 is fixed on the connecting flange 19; Pin left side, second level supporting disk 3 is supported in the second level drive mechanism output disc 2 inner bearing holes through supporting disk spring bearing 5; Second level drive mechanism pinwheel 10 1 ends are fixed on the right supporting disk 16 of second level pinwheel; The other end is fixed on the second level drive mechanism output disc 2, and pinwheel right supporting disk 16 in the second level is supported on connecting flange 19 bearing hole outer surfaces through the right supporting disk spring bearing 20 of second level pinwheel, and second level drive mechanism output disc 2 is supported in the bearing hole of second level drive mechanism output axle head case lid 6 through second level drive mechanism output shaft spring bearing 4; Second level drive mechanism input shaft 46 right-hand members are supported in the bearing hole of connecting flange 19 through second level input shaft spring bearing 21, and left end is supported in supporting disk 3 bearing holes of pin left side, the second level through second level input shaft spring bearing 1.First order drive mechanism pinwheel 26 1 ends are supported on the

casing

25,42 of first order drive mechanism through the first order pinwheel spring bearing of first order drive mechanism; The other end is supported on the connecting flange 19 through the output disc of the first order drive mechanism that is fixedly connected with it, second level drive mechanism input shaft right-hand member spring bearing 21 be the right spring bearing 21 of second level drive mechanism input shaft be again the output disc spring bearing of first order drive mechanism.

Shown in accompanying drawing; First order input shaft 38 is bearing in pin supporting disk 40 and the case lid 31 through spring bearing 36,39 (about each) as the input part of power; Form stable supporting structure; And power is flowed to two groups of four first order cycloid wheel 34 through the first order eccentric bushing 37 of 180 ° of two phase phase differences; Every group is 180 ° of cycloid wheel of two phase phase differences; Two groups of cycloid wheel become the mirror image symmetric arrangement, and the first order rotary arm bearing 35 through four same models supports and transmission of power simultaneously, when four cycloid wheel are carried out planetary motion under the drive of input shaft (through eccentric bushing and rotary arm bearing) with pass it on first order roller 33 in the column pin hole contact; First order roller is enclosed within on the pin 32 with number; Be supported on first order pin supporting disk 40 and the input end case lid 31 and form stable supporting structure, and with the process of cycloid crop rotation planetary motion in constitute several parallelogram sturcutres, thereby restriction as the spin velocity of the cycloid wheel self of planet wheel with control cycloid crop rotation space translation; Four cycloid wheel are accomplished pin pendulum Gear Planet Transmission with first order pin gear sleeve 29 (comprising gear pin) engagement driving in the process of doing the space translation; Pin gear sleeve after the deceleration outputs power to as on the first order pinwheel output disc 24 of output shaft (pinwheel and output disc being linked through bolt 23) through gear pin and first order pinwheel 26; First order output disc 24 connects through bolt 22 with second level input shaft 46, gives second level driving mechanism with power and transmission of movement; Less because of first order transmission radial dimension, so first order pinwheel right-hand member can directly support through spring bearing 27, pass on left the right spring bearing 21 of second level input shaft and support, to form the output shaft rigidity that stable freely supported structure improves the first order; Upper box 25 and lower box 42 through many group bolt 43 be linked together after; And support through the first order of 27 pairs of retarders of spring bearing; (its effect is the output case lid and the partial input case lid of the first order to last lower box with connecting flange 19 through bolt 28; And be the inner body provide the structural support) link; On the upper box 9 and lower box 47 of second level drive mechanism, partial upper box 9 connects through several groups of bolts 45 with lower box 47 connecting flange, constitutes the housing structure of second level drive mechanism through some groups of Bolt Connection; In the bearing hole of connecting flange 19, supporting the right spring bearing 21 of second level input shaft, input shaft right spring bearing 21 in the second level is the spring bearing of first order pinwheel output disc simultaneously, has constituted the freely supported structure of first order output element; The pinwheel output disc of the first order links through bolt 22 and second level input shaft 46; Left spring bearing 1 that second level input shaft 46 passes through and the simply supported beam supporting structure of right spring bearing 21 with anti-mounting type formation; The same second level eccentric bushing 44 that connects two groups of symmetric arrangement on the input shaft of the second level, the installation phase place differs four second level cycloid wheel 13 (the Gear Planet Transmission principle is identical with the first order) of 180 ° in twos on the eccentric bushing; After the restriction of the pin 15 (comprising roller 12) that second level cycloid wheel receives to pass on the column pin hole on it in the eccentric shaft rotation process is accomplished planetary motion, output power with pin gear sleeve (comprising gear pin) 11 engagements on the second level pinwheel 10; The bolt 8 that passes on left of second level pinwheel links with second level output disc 2; Second level output disc is supported in the bearing hole of output axle head case lid 6 through spring bearing 4; And adopt anti-form of installing; The right side of second level pinwheel links through the right supporting disk 16 of bolt 17 and second level pinwheel; Pinwheel right supporting disk in the second level is supported on through spring bearing 20 on the bearing hole outer surface of connecting flange 19, bearing also adopt anti-mounting structure in case with bearing 4 balancing axial load, partial like this output shafting components has just obtained stable simply supported beam supporting structure; The supporting structure of second level pin is: the left side of pin 15 is through in the supporting disk 3 of pin left side, the second level; Pin left side, second level supporting disk 3 is supported in the bearing hole in the output shaft of the second level through bearing 5; 1 of the left side spring bearing of second level input shaft is supported in the endoporus of pin left side, second level supporting disk 3, and adopts anti-mounting type to make things convenient for installing/dismounting, and the right side of pin is supported through pin right side, second level supporting disk 18; And with bolt to connecting flange 19; Because connecting flange 19 is parts of casing, so also just limit the motion of pin, forms static plug structures.

Claims

1. The multi-stage pinwheel output needle pendulum planetary transmission reducer includes the transmission structure of the basic pinwheel output needle pendulum planetary transmission type. The transmission structure of the basic pinwheel output needle pendulum planetary transmission type mainly includes the input shaft (38), the input shaft Support bearings (36, 39), pin support plate (40), box body (31, 25, 42), eccentric sleeve (37), cycloid wheel (34), rotating arm bearing (35), pin sleeve ( 33), column pin (32), column pin support plate (40), pin tooth pin sleeve (29), pin wheel (26), pin wheel output disc (24) and pin wheel support bearing (27), the box body includes The input end box cover (31), the output end box cover, the upper box body (25) and the lower box body (42) connected with the connecting bolts (43, 28); two sets of cycloid wheels (34), four in total Each piece of cycloidal wheel corresponds to a rotating arm bearing, and the cycloidal wheel (34) meshes with the pin tooth pin set (29) in the process of space translation to complete the needle pendulum planetary transmission; one end of the pin wheel (26) is connected to The output disk (24) is fixedly connected; the left end of the column pin (32) is fixedly connected to the column pin support plate (40), and the right end is fixedly connected to the input end box cover (31), and it is characterized in that the multi-stage pin wheel output The pendulum planetary transmission reducer includes a first-stage transmission structure and a series-type second-stage transmission structure or a transmission structure after the second stage; the first-stage transmission structure is a transmission structure of the basic pin-wheel output needle- pendulum planetary transmission type ; The input end box cover of the second-stage transmission structure box body is a connecting flange (19), the central part of the connecting flange (19) has a bearing hole, and one end of the connecting flange (19) is fixedly connected to the second-stage transmission On the upper box (9) and the lower box (47) of the structure, the other end is fixedly connected to the upper box (25) and the lower box (42) of the first-stage transmission structure, and the connecting flange (19) is both The input end case cover of the two-stage transmission structure casing is the output end case cover of the first-stage transmission structure; the second-stage transmission structure also includes the second-stage pinwheel right support plate (16); the second-stage The transmission structure column pin support plate (3, 18) comprises the left support plate (3) of the second stage column pin and the right support plate (18) of the second stage column pin, and the output plate (2) of the second stage transmission structure There is an output shaft on it, the input shaft (46) of the second-stage transmission structure is fixedly connected with the output disk (24) of the first-stage transmission structure, and the column pin (15) of the second-stage transmission structure is fixed on the second-stage column On the support plates (3, 18) on the left and right sides of the pin, the support plate (18) on the right side of the second-stage column pin is fixed on the connecting flange (19), and the left support plate (3) of the second-stage column pin passes through the support plate The support bearing (5) is supported in the inner bearing hole of the second-stage transmission structure output disk (2), and one end of the second-stage transmission structure pin wheel (10) is fixed on the second-stage pin wheel right support plate (16), The other end is fixed on the output plate (2) of the second-stage transmission structure, and the right support plate (16) of the second-stage pin wheel is supported on the connecting flange (19) through the support bearing (20) of the right support plate of the second-stage pin wheel. On the outer surface of the hole, the output disk (2) of the second-stage transmission structure passes through the second-stage transmission structure The output shaft support bearing (4) is supported in the bearing hole of the output shaft end box cover (6) of the second-stage transmission structure, and the right end of the input shaft (46) of the second-stage transmission structure passes through the second-stage input shaft support bearing (21 ) is supported in the bearing hole of the connecting flange (19), and the left end is supported in the bearing hole of the support plate (3) on the left side of the second-stage column pin through the support bearing (1) of the second-stage input shaft; the second-stage output shaft and The input shaft of the next-level transmission structure is connected, and so on, the output shaft of the upper-level transmission structure is connected with the input shaft of the next-level transmission structure to form the required transmission stage.

2. According to the multi-stage pinwheel output needle pendulum planetary transmission reducer according to claim 1, it is characterized in that one end of the pinwheel (26) of the first-stage transmission structure passes through the first-stage pinwheel support bearing of the first-stage transmission structure Supported on the casing (25), (42) of the first-stage transmission structure, the other end is supported on the connecting flange (19) through the output disc of the first-stage transmission structure fixedly connected with it, and the second-stage transmission structure The right end support bearing of the input shaft (21) is not only the right end support bearing of the input shaft of the second stage transmission structure but also the output disk support bearing of the first stage transmission structure.