CN2913741Y

CN2913741Y - Reversible poly-phase paratactic connecting rod type stepless speed regulator

Info

Publication number: CN2913741Y
Application number: CN 200620075072
Authority: CN
Inventors: 梅文强
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-10
Filing date: 2006-07-10
Publication date: 2007-06-20
Anticipated expiration: 2016-07-10

Abstract

The utility model relates to a connecting bar type non-step speed governor with reverse and in multi-phase parallel structure. The utility model is characterized in that: An output torque mechanism is installed in parallel over the output shaft, a driven pad matched with a driving pad, a driven overlying gear, a driving overlying gear and other transition gears; a gear shaft and reversing mechanism is mounted over the input shaft in parallel; the reversing mechanism includes a third reversing gear. A shift fork lever comprises a transition gear and a second reversing driven gear, and other matched gears are mounted onto the case body. The utility model can fulfill automatic reversing, so as to resolve the difficult problem of impossible reverse on such machines as looms, webbing looms and etc, because of kinetic inertia in faulty shutdown. The utility model also has the advantages of big speed variation range, small loading slippage, constant torque output and etc. Because of overlaid with a reverse mechanism, two bearings can carry torque in forward and reverse output directions, which can prolong service life. The utility mode can fulfill both CW input & CCW output and CCW input & CCW output.

Description

Heterogeneous side-by-side connecting rod formula stepless speed adjusting gear capable of reversing

Technical field

The utility model relates to stepless speed variator.

Background technique

Known impulse stepless gear box has several, as three-phase side-by-side connecting rod formula impulse stepless gear box, four phase side-by-side connecting rod formula impulse stepless gear boxs.A kind of three-phase side-by-side connecting rod formula impulse stepless gear box is disclosed as Chinese patent C N2128983, its main drive gear is made up of three-phase bent axle and three groups of elongated connecting rods, speed governing block bearing, output mechanisms, bent, the gyration center conllinear (being the three-core conllinear) of speed governing block bearing, output shaft.The structure and the three-phase side-by-side connecting rod formula impulse stepless gear box of four phase side-by-side connecting rod formula impulse stepless gear boxs are basic identical.The deficiency of its existence is: the loading slippage is little, rate of fault is higher under operating conditions, the output speed instability, and bearing capacity is low, working life is short, another important deficiency is to be unidirectional output, no matter imports clockwise or counter clockwise direction, and output all is given unidirectional output.

Summary of the invention

The purpose of this utility model is: provide a kind of capable of reversing, power is relatively large, transmission is stable, load the little capable of reversing heterogeneous side-by-side connecting rod formula stepless speed adjusting gear of slippage.

Concrete structural design scheme is such:

Heterogeneous side-by-side connecting rod formula stepless speed adjusting gear capable of reversing, comprise casing, case lid, input shaft 5, hinge axis 16, output shaft 14, speed governing frame and speed governing assembly, described speed governing assembly comprises speed governing connecting rod 17, escapement 4, drive link 13, drive plate 11 and output precision, escapement 4 is located on the input shaft by eccentric wheel 6, the other end of escapement 4 connects speed governing connecting rod 17 and drive link 13, the other end of speed governing connecting rod 17 is connecting speed governing frame 1, the other end of drive link 13 is connecting drive plate 11 by pin 12, drive plate 11 is located on the output shaft 14, and output precision is located between drive plate 11 and the output shaft 14; It is characterized in that:

A, the parallel output torque axis 35 that is provided with in output shaft 14 tops, output torque axis 35 middle parts are provided with the driven disc 8 that cooperates with drive plate 11, be the tooth engagement driving between drive plate 11 and the driven disc 8, output torque axis 35 1 ends are provided with driven stack gear 32, and gear 31 correspondences that initiatively superpose are located on the output shaft 14; Output torque axis 35 the other ends are provided with gear 21; The output shaft 14 of gear 21 belows is plugged in the axial of stem gear 24, and the axle of stem gear 24 is located on the casing by bearing, and extends outside the casing; Be provided with transition gear 22 between gear 21 and the gear 24;

B, the parallel gear shaft 30 that is provided with in input shaft 5 tops, gear shaft 30 1 ends are provided with the 3rd tumbler gear 18, be provided with tooth bar with shifting fork bar 19 rod ends of the 3rd tumbler gear 18 engagements, the other end of shifting fork bar 19 is located on the casing between gear 21, the gear 24 by pivot pin, is respectively equipped with the gear 20 and the gear 23 that cooperate with gear 21, gear 24 on the shifting fork bar 19; The other end of gear shaft 30 is provided with the second commutation driven gear 7, be located on the casing by bearing with input stem gear 27 1 ends of the second commutation driven gear, 7 engagements, and axle head is overhanging, and input stem gear 27 the other ends are connecting input shaft 5.

Useful technique effect of the present utility model is embodied in several aspects:

1, the utility model can be realized automatic reverse, when having solved mechanical disorders such as weaving machine, ribbon loom, drawbench and stopping, because of motional inertia this difficult problem of can not moveing backward.

2, the utility model not only has outside the advantage of former stepless speed variator, and it is big also to have slewing range, and the loading slippage is little, advantages such as permanent moment of torsion output.

3, this device is because the reversing mechanism that superposeed, and exporting positive and negatively has two bearings to bear torque, so improved working life greatly.

4, this device can be realized clockwise input, and output also can realize counterclockwise input counterclockwise, counterclockwise output.

Description of drawings

Fig. 1 is the utility model structural representation,

Fig. 2 is the A-A sectional view of Fig. 1,

Fig. 3 is the B-B sectional view of Fig. 1,

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

Embodiment

Below in conjunction with accompanying drawing, the utility model is further described by embodiment.

Embodiment:

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, heterogeneous side-by-side connecting rod formula stepless speed adjusting gear capable of reversing comprises casing 26, case lid, input shaft 5, hinge axis 16, output shaft 14, speed governing frame and speed governing assembly.The speed governing assembly comprises speed governing connecting rod 17, escapement 4, drive link 13, drive plate 11 and output precision, escapement 4 is located on the input shaft by eccentric wheel 6, the other end of escapement 4 connects speed governing connecting rod 17 and drive link 13 by pin 2, little copper sheathing 3, the other end of speed governing connecting rod 17 is connecting speed governing frame 1 by hinge axis 15, copper sheathing 16, the other end of drive link 13 is connecting drive plate 11 by pin 12, drive plate 11 is installed on the output shaft 14, and output precision is located between drive plate 11 and the output shaft 14.

The speed governing assembly has 4 groups, and 4 escapements 4 are installed on the input shaft 5 of quadrangular shape by eccentric wheel 6 respectively, and the differential seat angle between 4 eccentric wheels 6 is 90 degree, and back-up ring 29 and back-up ring 28 are housed respectively between 4 escapements 4.

The parallel output torque axis 35 that is equipped with in output shaft 14 tops, output torque axis 35 middle parts are equipped with the driven disc 8 that cooperates with drive plate 11, and roller 9, spring 10 are installed in drive plate 11 and the driven disc 8, are the tooth engagement driving between drive plate 11 and the driven disc 8.

Output torque axis 35 1 ends are equipped with driven stack gear 32, and gear 31 correspondences that initiatively superpose are installed on the output shaft 14; Output torque axis 35 the other ends are equipped with gear 21; The output shaft 14 of gear 21 belows be inserted into stem gear 24 axially, the axle of stem gear 24, and extends outside the casing on casing 26 by Bearing Installation; By axle 25 transition gear 22 is installed between gear 21 and the gear 24.

The parallel gear shaft 30 that is provided with in input shaft 5 tops, gear shaft 30 1 ends are equipped with the 3rd tumbler gear 18, shifting fork bar 19 rod ends that mesh with the 3rd tumbler gear 18 are tooth bar, the other end of shifting fork bar 19 is installed on the casing between gear 21, the gear 24 by pivot pin, is separately installed with the gear 20 and the gear 23 that cooperate with gear 21, gear 24 on the shifting fork bar 19; The other end of gear shaft 30 is equipped with the second commutation driven gear 7, be located on the casing by bearing with input stem gear 27 1 ends of the second commutation driven gear, 7 engagements, and axle head is overhanging, and input stem gear 27 the other ends are connecting input shaft 5.

This device working principle is, stem gear 27 is an input end, has two job functions, the one, and decision output sense of rotation, the 2nd, drive input shaft 5 and transmit input services;

Commutation process: power drives 7 rotations of the second commutation driven gear by stem gear 27 inputs, gear shaft 30 and the 18 coaxial rotations of the 3rd tumbler gear simultaneously, determined the working position of shifting fork bar 19, be that shifting fork bar 19 is on top or in the bottom, be that shifting fork bar 19 the other ends output power with the engagement of gear 22 with gear 24 by gear 20 and gear 21, gear 21, or gear 23 is exported by stem gear 24 with the engagement power of gear 24.

Input shaft 5 transmits the input service process: escapement 4, eccentric wheel 6 and input shaft 5 suitable and bent axle working principles, make escapement 4 produce to-and-fro motion, wherein speed governing frame 1, speed governing connecting rod 17 and hinge axis 15, copper sheathing 16 change drive link 13 reciprocating distances, like this by pin 12, drive link 13, drive plate 11, driven disc 8, roller 9, spring 10, star-wheel seat 3, star-wheel lid 34, initiatively superpose gear 31 and driven stack gear 32, realize promptly that by above-mentioned commutation drive path power exports again.

Claims

1, heterogeneous side-by-side connecting rod formula stepless speed adjusting gear capable of reversing, comprise casing, case lid, input shaft (5), hinge axis (16), output shaft (14), speed governing frame and speed governing assembly, described speed governing assembly comprises speed governing connecting rod (17), escapement (4), drive link (13), drive plate (11) and output precision, escapement (4) is located on the input shaft by eccentric wheel (6), the other end of escapement (4) connects speed governing connecting rod (17) and drive link (13), the other end of speed governing connecting rod (17) is connecting speed governing frame (1), the other end of drive link (13) is connecting drive plate (11) by pin (12), drive plate (11) is located on the output shaft (14), and output precision is located between drive plate (11) and the output shaft (14); It is characterized in that:

A, the parallel output torque axis (35) that is provided with in output shaft (14) top, output torque axis (35) middle part is provided with the driven disc (8) that cooperates with drive plate (11), between drive plate (11) and the driven disc (8) is the tooth engagement driving, output torque axis (35) one ends are provided with driven stack gear (32), and gear (31) correspondence that initiatively superposes is located on the output shaft (14); Output torque axis (35) the other end is provided with gear (21); The output shaft (14) of gear (21) below is plugged in the axial of stem gear (24), and the axle of stem gear (24) is located on the casing by bearing, and extends outside the casing; Be provided with transition gear (22) between gear (21) and the gear (24);

B, the parallel gear shaft (30) that is provided with in input shaft (5) top, gear shaft (30) one ends are provided with the 3rd tumbler gear (18), be provided with tooth bar with shifting fork bar (19) rod end of the 3rd tumbler gear (18) engagement, the other end of shifting fork bar (19) is located on the casing between gear (21), the gear (24) by pivot pin, is respectively equipped with the gear (20) and the gear (23) that cooperate with gear (21), gear (24) on the shifting fork bar (19); The other end of gear shaft (30) is provided with the second commutation driven gear (7), be located on the casing by bearing with input stem gear (27) one ends of the second commutation driven gear, 7 engagements, and axle head is overhanging, and input stem gear (27) the other end is connecting input shaft (5).