CN107965551B - Planetary reducer of large-torque manual cutting machine - Google Patents

Planetary reducer of large-torque manual cutting machine Download PDF

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Publication number
CN107965551B
CN107965551B CN201610909809.5A CN201610909809A CN107965551B CN 107965551 B CN107965551 B CN 107965551B CN 201610909809 A CN201610909809 A CN 201610909809A CN 107965551 B CN107965551 B CN 107965551B
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gear
seat
planetary
transmission
cover
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CN107965551A (en
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陈洪良
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Di Yue Precision Technology Suzhou Co ltd
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Di Yue Precision Technology Suzhou Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/28Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention relates to a planetary reducer of a large-torque manual cutting machine, which comprises: an internal gear section of thick bamboo, internal tooth cover, internal tooth end cover, ratchet seat, sun gear axle, first planetary gear seat and second planetary gear seat, internal tooth cover is located the one end of an internal gear section of thick bamboo, internal gear section of thick bamboo interior by internal tooth cover one end extremely the internal gear section of thick bamboo other end is equipped with in proper order the internal tooth end cover the ratchet seat first planetary gear seat the second planetary gear seat, the sun gear axle runs through in proper order the internal tooth cover the internal tooth end cover the ratchet seat, the sun gear axle is visited the one end of ratchet seat is inlayed and is located the axle center department of first planetary gear seat. By using the planetary reducer of the large-torque manual cutting machine, the product has a bidirectional braking effect, can lock the planetary reducer in forward rotation and reverse rotation, and is simple in structure and easy to manufacture and install.

Description

Planetary reducer of large-torque manual cutting machine
Technical Field
The invention relates to the technical field of industrial products, in particular to a planetary reducer of a large-torque manual cutting machine.
Background
As is known, a planetary reducer is an industrial product with a wide range of applications, the performance of the planetary reducer can be comparable to that of other military-grade speed reducer products, but the planetary reducer has the price of the industrial-grade product, and the planetary reducer is widely used in east China and north China and is widely applied to wide industrial occasions. But also can be used as a matching component for industries such as hoisting, digging, transportation, building and the like.
In the prior art, an inner ring gear 901 is tightly connected to the gear box housing, a sun gear 902 driven by external power is arranged in the center of the inner ring gear 901, a planetary gear set consisting of at least two gears 903 is arranged between the inner ring gear 901 and the sun gear 902, and the planetary gear set drives the gears 903 by means of a power output shaft 904, the sun gear 902 and the inner ring gear 901. While the gear 903 rotates, the gear 903 revolves along the track of the inner gear ring along the center, in the prior art, the conventional planetary reducer does not have a self-locking function, and on the other hand, if the rotation direction needs to be changed, the rotation direction can only be changed through the rotation direction of the motor, so that the operation is troublesome, and the durability of the product in use is also influenced to a certain extent.
Disclosure of Invention
The application provides a big manual cutting machine planetary reducer of moment of torsion for it is not good to solve planetary reducer structure among the prior art, leads to planetary reducer not to possess self-locking function, and on the other hand planetary reducer needs to change the operation of direction of rotation also comparatively troublesome, also has great influence to the durability of using.
In order to achieve the purpose, the invention adopts the technical scheme that:
a planetary reducer of a high-torque manual cutting machine comprises: the inner gear cover is sleeved at one end of the inner gear cylinder, the inner gear cover sleeve is arranged in the inner gear cylinder from one end of the inner gear cover sleeve to the other end of the inner gear cylinder, the inner gear end cover, the ratchet wheel seat, the first planetary gear seat and the second planetary gear seat are sequentially arranged in the inner gear cylinder, the sun gear shaft sequentially penetrates through the inner gear cover sleeve, the inner gear end cover and the ratchet wheel seat, and one end, extending out of the ratchet wheel seat, of the sun gear shaft is embedded at the axis center of the first planetary gear seat;
the sun wheel shaft is sequentially divided into a sliding section, a locking section and a transmission section from one end to the other end, the sliding section is arranged in the inner tooth cover sleeve and the inner tooth end cover, the locking section is arranged in the ratchet wheel seat, and the transmission section is arranged in the first planetary gear seat;
the ratchet seat includes: the ratchet wheel positioning disc is arranged on one side, away from the first planetary gear seat, of the annular positioning fluted disc, a through groove is formed in the upper portion of one side, away from the annular positioning fluted disc, of the ratchet wheel positioning disc, sliding blocks are arranged at two ends of the through groove, one ends, opposite to the two sliding blocks, of the two sliding blocks are respectively provided with a one-way gear, one ends, away from each other, of the two sliding blocks are respectively provided with a spring guide hole, and the two one-way gears are respectively meshed with the locking section of the sun gear shaft;
the inner tooth end cover is sleeved outside the ratchet wheel positioning disc, a positioning hole is formed in the side wall of the inner tooth end cover corresponding to the position of the two spring guide holes, a pre-tightening cover is arranged in the positioning hole, a spring is fixedly arranged at one end, facing the spring guide holes, of the pre-tightening cover, and the spring abuts against the spring guide holes to move towards the center of the ratchet wheel positioning disc;
two be equipped with a transmission piece between the slider, the transmission piece deviates from one side of first planetary gear seat is equipped with the transmission shaft, the transmission shaft is kept away from the one end of transmission piece runs through the internal tooth end cover, the transmission piece is visited the one end of internal tooth end cover is perpendicularly upwards equipped with a handle, the lateral wall of internal tooth cover sleeve be equipped with corresponding to the bar mouth of handle, the handle passes from bottom to top the bar mouth, the longitudinal direction of bar mouth is followed the handle winds the swing direction setting of transmission shaft.
The planetary reducer of the high-torque manual cutting machine is characterized in that the first planetary gear seat comprises: the first planet disk seat, the first transmission gear and the first micro gear, the transmission section of the sun gear shaft is embedded at the axle center of the first planet disk seat, the first planetary disk seat is internally provided with the transmission section of the sun gear shaft, the side wall of the first planetary disk seat is internally provided with more than three first strip-shaped through holes which are equidistantly distributed along the circumferential direction of the first planetary disk seat, each first strip-shaped through hole is internally provided with the first micro gear, the diameter of the first micro gear is larger than the thickness of the side wall of the first planetary disk seat, one side of the first micro gear, which extends out of the outer side wall of the first planetary disk seat, is matched and meshed with the inner tooth surface of the inner gear cylinder, one side of the first micro gear, which extends out of the inner side wall of the first planetary plate seat, is in matched meshing with the transmission section of the sun gear shaft.
The planetary reducer of the large-torque manual cutting machine described above, wherein the second planetary gear carrier includes: second planet disk seat, second transmission shaft and second micro gear, be equipped with in the second planet disk seat first transmission teeth of a cogwheel, be equipped with the second bar through hole more than three in the lateral wall of second planet disk seat, three more the second bar through hole is followed the circumference direction equidistance of second planet disk seat distributes, each all be equipped with in the second bar through hole the second micro gear, the diameter of second micro gear is greater than the thickness of second planet disk seat lateral wall, the second micro gear is visited one side of second planet disk seat lateral wall with the internal tooth face matching meshing of an internal gear section of thick bamboo, the second micro gear is visited one side of first planet disk seat inside wall with first transmission wheel tooth matching meshing.
Foretell manual cutting machine planetary reducer of big moment of torsion, wherein, internal tooth lid cover deviate from in one side of ratchet seat is equipped with the cover guide cylinder, cover guide cylinder cover is located the sun gear axle the slip section, the cover guide cylinder with be equipped with oil free bearing between the slip section.
The planetary reducer of the large-torque manual cutting machine is characterized in that the inner gear cylinder is far away from one end of the inner gear cover sleeve, a fixed flange is arranged on the outer side of the end of the inner gear cover sleeve, and more than four fixed holes are arranged in the fixed flange and are arranged at equal intervals.
The planetary reducer of the large-torque manual cutting machine is characterized in that the inner gear barrel is far away from one end of the inner gear end cover, and the dustproof cover ball bearing is arranged at the outer side of the second transmission shaft in a sleeved mode.
The planetary reducer of the large-torque manual cutting machine is characterized in that a strip-shaped tooth opening is formed in the transmission block in the longitudinal direction, a first insection is arranged on the outer side of one end in the transmission block and is matched with the strip-shaped tooth opening, a second insection is arranged in the upper edge of the strip-shaped tooth opening, and the first insection is matched with the second insection.
In the planetary reducer of the high-torque manual cutting machine, the top beads are arranged between the transmission section of the sun gear shaft and the first planetary disk seat and between the first transmission gear teeth and the second planetary disk seat.
According to the planetary reducer of the large-torque manual cutting machine in the embodiment, the scheme has the following effects:
1. the product has a bidirectional braking effect and can lock the planetary reducer in forward rotation and reverse rotation.
2. The structure is simple, and the manufacture and the installation are easy.
Drawings
FIG. 1 is a schematic structural diagram of a planetary reducer in the prior art;
FIG. 2 is a schematic cross-sectional view of a planetary reducer of a large-torque manual cutting machine;
FIG. 3 is an exploded view of a planetary reducer of a high torque manual cutter;
fig. 4 is a mechanism schematic diagram of a transmission shaft and a transmission block of a planetary reducer of a large-torque manual cutting machine.
Reference is made to the following in corresponding reference numbers in the drawings of the specification:
the inner gear cylinder 1, the inner tooth cover sleeve 2, the cover guide cylinder 201, the oilless bearing 202, the fixed flange 203, the fixed hole 204, the inner tooth end cover 3, the positioning hole 301, the pre-tightening cover 302, the spring 303, the ratchet seat 4, the ratchet positioning plate 410, the annular positioning toothed plate 420, the through groove 421, the slider 422, the one-way gear 423, the spring guide hole 424, the transmission block 425, the strip-shaped tooth mouth 4251, the first tooth pattern 4252, the second tooth pattern 4253, the transmission shaft 426, the handle 427, the strip-shaped mouth 428, the sun gear shaft 5, the sliding section 501, the locking section 502, the transmission section 503, the first planetary gear seat 6, the first planetary gear seat 610, the first strip-shaped through hole 611, the first micro gear 612, the first transmission gear tooth 630, the second planetary gear seat 7, the second planetary gear seat 710, the second strip-shaped through hole 711, the second micro gear 712, the second transmission shaft 730, the dust cap ball bearing 8, the inner toothed ring 901, the sun, Gear 903, output shaft 904, top ball 10.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in fig. 2 to 4, the planetary reducer of the large-torque manual cutting machine according to the present invention comprises: an inner gear barrel 1, an inner gear cover sleeve 2, an inner gear end cover 3, a ratchet seat 4, a sun gear shaft 5, a first planetary gear seat 6 and a second planetary gear seat 7, wherein the inner gear cover sleeve 2 is sleeved at one end of the inner gear barrel 1, the inner gear end cover 3 is sequentially arranged in the inner gear barrel 1 from one end of the inner gear cover sleeve 3 to the other end of the inner gear barrel 1, the ratchet wheel seat 4, the first planetary gear seat 6 and the second planetary gear seat 7, wherein the sun gear shaft 5 sequentially penetrates through the inner gear cover sleeve 2, the inner gear end cover 3 and the ratchet wheel seat 4, one end, extending out of the ratchet wheel seat 4, of the sun gear shaft 5 is embedded in the axis of the first planetary gear seat 6, further, the sun gear shaft 5 is a driving shaft, the sun gear shaft 5 penetrates through the ratchet wheel seat 4 to drive the first planetary gear seat 6, the first planetary gear seat 6 drives the second planetary gear seat 7, and the number of transmission teeth of the first planetary gear seat 6 is different from that of the second planetary gear seat 7; the ratchet seat 4 is further aligned with the sun gear shaft 5 arranged in the center, and the ratchet seat 4 controls the forward rotation and the reverse rotation of the sun gear shaft 5 and adjusts the neutral position in the product.
The sun gear shaft 5 is sequentially divided into a sliding section 501, a locking section 502 and a transmission section 503 from one end to the other end, the sliding section 501 is arranged in the inner tooth cover sleeve 2 and the inner tooth end cover 3, the locking section 502 is arranged in the ratchet wheel seat 4, the transmission section 503 is arranged in the first planetary gear seat 6, the further sliding section 501 is arranged in the inner tooth cover sleeve 2 and the inner tooth end cover 3 to slide, the locking section 502 is arranged in the ratchet wheel seat 4 to be braked, and the transmission section 503 is arranged in the first planetary gear seat 6 to transmit the first planetary gear seat 6.
The ratchet seat 4 includes: ratchet positioning disk 410, annular positioning fluted disc 420, ratchet positioning disk 410 locates annular positioning fluted disc 420 and deviates from one side of first planetary gear seat 6, ratchet positioning disk 410 deviates from annular positioning fluted disc 420 side upper portion and is equipped with logical groove 421, the both ends that lead to groove 421 are equipped with slider 422, the one end that two sliders 422 are in opposite directions all is equipped with one-way gear 423, the one end that two sliders 422 deviate from each other all is equipped with a spring guiding hole 424, two one-way gear 423 all meshes with the locking section 502 of sun gear axle 5, further, annular positioning fluted disc 420 and the inboard phase-match of internal gear section of thick bamboo 1 and make ratchet seat 4 whole location through the meshing of annular positioning fluted disc 420 and internal gear section of thick bamboo 1, carry out locking brake to sun gear axle 5 by ratchet seat 4. Further, both of the one-way gears 423 in the slider 422 are matched with the sun gear shaft 5, and are in neutral when the grip 427 is in the neutral position, and both of the one-way gears 423 are not in contact with the sun gear shaft 5 in the neutral position.
The inner tooth end cover 3 is sleeved outside the ratchet wheel positioning disc 410, the side wall of the inner tooth end cover 3 is provided with positioning holes 301 corresponding to the positions of the two spring guide holes 424, a pre-tightening cover 302 is arranged in the positioning holes 301, one end, facing the spring guide holes 424, of the pre-tightening cover 302 is fixedly provided with a spring 303, and the spring 303 props against the spring guide holes 424 to move towards the center of the ratchet wheel positioning disc 410; a transmission block 425 is arranged between the two sliding blocks 422, a transmission shaft 426 is arranged on one side of the transmission block 425, which is far away from the first planetary gear seat 6, one end of the transmission shaft 426, which is far away from the transmission block 425, penetrates through the inner-tooth end cover 3, a handle 427 is vertically and upwards arranged at one end of the transmission block 425, which extends out of the inner-tooth end cover 3, a strip-shaped opening 428 corresponding to the handle 427 is arranged on the side wall of the inner-tooth cover 2, the handle 427 penetrates through the strip-shaped opening 428 from bottom to top, the longitudinal direction of the strip-shaped opening 428 is arranged along the swinging direction of the handle 427 around the transmission shaft 426, and further, the transmission block 425.
By pulling the handle 427 in the strip-shaped opening 428, the transmission shaft 426 linked with the handle 427 drives the transmission block 425 to displace, when the handle 427 swings left, the transmission block 425 props against the left slider 422 to displace leftwards, at the moment, the right slider 422 loses the supporting force of the transmission block 425 and displaces leftwards under the thrust of the spring 303, the one-way gear 423 in the right slider 422 is meshed with the locking section 502 of the sun gear shaft 5, and the one-way gear 423 in the right slider 422 brakes the anticlockwise rotation of the sun gear shaft 5; i.e., the handle 427 can only rotate clockwise to the left of the sun gear shaft 5 and not counterclockwise.
By pulling the handle 427 in the strip-shaped opening 428, the transmission shaft 426 linked with the handle 427 drives the transmission block 425 to displace, when the handle 427 swings right, the transmission block 425 props against the right slider 422 to displace rightwards, at the moment, the left slider 422 loses the supporting force of the transmission block 425 and displaces rightwards under the thrust of the spring 303, the one-way gear 423 in the left slider 422 is meshed with the locking section 502 of the sun gear shaft 5, and the one-way gear 423 in the left slider 422 brakes the clockwise rotation of the sun gear shaft 5; i.e., the handle 427 can only rotate counterclockwise to the left sun gear shaft 5 and not clockwise.
Here, when the handle 427 is pulled leftwards, the sun gear shaft 5 rotates clockwise, and self-locking is carried out in the anticlockwise direction;
when the handle 427 is pulled rightwards, the sun wheel shaft 5 rotates anticlockwise and is self-locked clockwise;
when the handle 427 is in the middle position, the driving block 425 abuts against the two side sliders 422, and the sun gear shaft 5 can rotate clockwise or counterclockwise.
In the embodiment of the present invention, the first planetary gear seat 6 includes: the first planetary disk seat 610 and the first transmission gear 630, the transmission section 503 of the sun gear shaft 5 is embedded at the axis of the first planetary disk seat 610, the transmission section 503 of the sun gear shaft 5 is arranged in the first planetary disk seat 610, the side wall of the first planetary disk seat 610 is provided with more than three first strip-shaped through holes 611, the more than three first strip-shaped through holes 611 are distributed at equal intervals along the circumferential direction of the first planetary disk seat 610, each first strip-shaped through hole 611 is internally provided with a first micro gear 612, the diameter of the first micro gear 612 is larger than the thickness of the side wall of the first planetary disk seat 610, one side of the first micro gear 612, which extends out of the outer side wall of the first planetary disk seat 610, is matched and meshed with the inner tooth surface of the inner gear barrel 1, one side of the first micro gear 612, which extends out of the inner side wall of the first planetary disk seat 610, is matched and meshed with the transmission section 503 of the sun gear shaft 5, further, the first planetary disk seat 6 mainly transmits the power of the sun, and the deceleration rotation or the acceleration rotation of the present product is realized by the number of outer teeth of the first micro gear 612 and the number of outer teeth of the first driving gear teeth 630.
In a specific embodiment of the present invention, the second planetary gear holder 7 includes: the planetary gear transmission mechanism comprises a second planetary disk seat 710 and a second transmission shaft 730, wherein first transmission wheel teeth 630 are arranged in the second planetary disk seat 710, more than three second strip-shaped through holes 711 are arranged in the side wall of the second planetary disk seat 710, the more than three second strip-shaped through holes 711 are distributed at equal intervals along the circumferential direction of the second planetary disk seat 710, a second micro gear 712 is arranged in each second strip-shaped through hole 711, the diameter of the second micro gear 712 is larger than the thickness of the side wall of the second planetary disk seat 710, one side, extending out of the outer side wall of the second planetary disk seat 710, of the second micro gear 712 is in matched meshing with the inner tooth surface of the inner gear barrel 1, one side, extending out of the inner side wall of the second planetary disk seat 710, of the second micro gear 712 is in matched meshing with the first transmission wheel teeth 630, and the second planetary gear seat 7 mainly transmits the transmission force of the first transmission wheel.
In the specific embodiment of the present invention, a cover guide cylinder 201 is disposed on a side of the internal gear cover 2 away from the ratchet seat 3, the cover guide cylinder 201 is sleeved on a sliding section 501 of the sun gear shaft 5, an oilless bearing 202 is disposed between the cover guide cylinder 201 and the sliding section 501, the cover guide cylinder 201 is further used for guiding the sliding section 501 of the sun gear shaft 5, and the oilless bearing 202 realizes a sliding effect between the cover guide cylinder 201 and the sliding section 501.
In the specific embodiment of the invention, a fixing rib 203 is arranged on the outer side of one end of the internal gear cylinder 1 far away from the internal gear cover 2, more than four fixing holes 204 are arranged in the fixing rib 203, the fixing holes 204 are arranged at equal intervals, and the product is further fixed through the fixing rib 203.
In the specific embodiment of the present invention, one end of the internal gear barrel 1 away from the internal gear end cap 3 is provided with a dust cap ball bearing 8, the dust cap ball bearing 8 is sleeved outside the second transmission shaft 730, and the further dust cap ball bearing 8 can prevent dust in the space inside the internal gear barrel 1 and can support the second transmission shaft 730.
In the embodiment of the present invention, a strip-shaped tooth opening 4251 is provided in the transmission block 425 in the longitudinal direction, a first insection 4252 is provided outside one end of the transmission shaft 426 provided in the transmission block 425, the first insection 4252 is matched with the strip-shaped tooth opening 4251, a second insection 4253 is provided in the upper edge of the strip-shaped tooth opening 4251, the first insection 4252 is matched with the second insection 4253, further rotation of the transmission shaft 426 to the left drives the transmission block 425 to move to the left, and rotation of the transmission shaft 426 to the right drives the transmission block 425 to move to the right.
In the embodiment of the present invention, the top beads 10 are disposed between the transmission section 503 of the sun gear shaft 5 and the first planetary plate 610, and between the first transmission gear teeth 630 and the second planetary plate 710, and further the top beads 10 serve as a support between the transmission section 503 of the sun gear shaft 5 and the first planetary plate 610, and a support between the first transmission gear teeth 630 and the second planetary plate 710, so as to prevent the transmission section 503 of the sun gear shaft 5 from contacting the first planetary plate 610, and prevent the first transmission gear teeth 630 from contacting the second planetary plate 710.
In conclusion, the planetary reducer of the large-torque manual cutting machine has a bidirectional braking effect, can lock the forward rotation and the reverse rotation of the planetary reducer, and is simple in structure and easy to manufacture and install.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.

Claims (8)

1. The utility model provides a big moment of torsion manual cutting machine planetary reducer which characterized in that includes: the inner gear cover is sleeved at one end of the inner gear cylinder, the inner gear cover sleeve is arranged in the inner gear cylinder from one end of the inner gear cover sleeve to the other end of the inner gear cylinder, the inner gear end cover, the ratchet wheel seat, the first planetary gear seat and the second planetary gear seat are sequentially arranged in the inner gear cylinder, the sun gear shaft sequentially penetrates through the inner gear cover sleeve, the inner gear end cover and the ratchet wheel seat, and one end, extending out of the ratchet wheel seat, of the sun gear shaft is embedded at the axis center of the first planetary gear seat;
the sun wheel shaft is sequentially divided into a sliding section, a locking section and a transmission section from one end to the other end, the sliding section is arranged in the inner tooth cover sleeve and the inner tooth end cover, the locking section is arranged in the ratchet wheel seat, and the transmission section is arranged in the first planetary gear seat;
the ratchet seat includes: the ratchet wheel positioning disc is arranged on one side, away from the first planetary gear seat, of the annular positioning fluted disc, a through groove is formed in the upper portion of one side, away from the annular positioning fluted disc, of the ratchet wheel positioning disc, sliding blocks are arranged at two ends of the through groove, one ends, opposite to the two sliding blocks, of the two sliding blocks are respectively provided with a one-way gear, one ends, away from each other, of the two sliding blocks are respectively provided with a spring guide hole, and the two one-way gears are respectively meshed with the locking section of the sun gear shaft;
the inner tooth end cover is sleeved outside the ratchet wheel positioning disc, a positioning hole is formed in the side wall of the inner tooth end cover corresponding to the position of the two spring guide holes, a pre-tightening cover is arranged in the positioning hole, a spring is fixedly arranged at one end, facing the spring guide holes, of the pre-tightening cover, and the spring abuts against the spring guide holes to move towards the center of the ratchet wheel positioning disc;
two be equipped with a transmission piece between the slider, the transmission piece deviates from one side of first planetary gear seat is equipped with the transmission shaft, the transmission shaft is kept away from the one end of transmission piece runs through the internal tooth end cover, the transmission piece is visited the one end of internal tooth end cover is perpendicularly upwards equipped with a handle, the lateral wall of internal tooth cover sleeve be equipped with corresponding to the bar mouth of handle, the handle passes from bottom to top the bar mouth, the longitudinal direction of bar mouth is followed the handle winds the swing direction setting of transmission shaft.
2. The planetary reducer of large-torque manual cutter according to claim 1, wherein the first planetary gear seat includes: the first planet disk seat, the first transmission gear and the first micro gear, the transmission section of the sun gear shaft is embedded at the axle center of the first planet disk seat, the first planetary disk seat is internally provided with the transmission section of the sun gear shaft, the side wall of the first planetary disk seat is internally provided with more than three first strip-shaped through holes which are equidistantly distributed along the circumferential direction of the first planetary disk seat, each first strip-shaped through hole is internally provided with the first micro gear, the diameter of the first micro gear is larger than the thickness of the side wall of the first planetary disk seat, one side of the first micro gear, which extends out of the outer side wall of the first planetary disk seat, is matched and meshed with the inner tooth surface of the inner gear cylinder, one side of the first micro gear, which extends out of the inner side wall of the first planetary plate seat, is in matched meshing with the transmission section of the sun gear shaft.
3. The planetary reducer of large-torque manual cutter according to claim 2, wherein the second planetary carrier includes: second planet disk seat, second transmission shaft and second micro gear, be equipped with in the second planet disk seat first transmission teeth of a cogwheel, be equipped with the second bar through hole more than three in the lateral wall of second planet disk seat, three more the second bar through hole is followed the circumference direction equidistance of second planet disk seat distributes, each all be equipped with in the second bar through hole the second micro gear, the diameter of second micro gear is greater than the thickness of second planet disk seat lateral wall, the second micro gear is visited one side of second planet disk seat lateral wall with the internal tooth face matching meshing of an internal gear section of thick bamboo, the second micro gear is visited one side of first planet disk seat inside wall with first transmission wheel tooth matching meshing.
4. The planetary reducer of the large-torque manual cutting machine according to claim 1, wherein a cover guide cylinder is arranged on a side of the internal tooth cover sleeve, which is away from the ratchet wheel seat, the cover guide cylinder is sleeved on the sliding section of the sun wheel shaft, and an oilless bearing is arranged between the cover guide cylinder and the sliding section.
5. The planetary reducer of the large-torque manual cutting machine according to claim 1, wherein a fixed rib is arranged on the outer side of one end, away from the inner tooth cover, of the inner gear cylinder, more than four fixed holes are arranged in the fixed rib, and the fixed holes are arranged at equal intervals.
6. The planetary reducer of the large-torque manual cutting machine according to claim 3, wherein a dust cap ball bearing is arranged at one end, away from the inner tooth end cover, of the inner gear cylinder, and the dust cap ball bearing is sleeved on the outer side of the second transmission shaft.
7. The planetary reducer of the large-torque manual cutting machine according to claim 1, wherein a strip-shaped tooth opening is formed in the transmission block in the longitudinal direction, a first insection is formed on the outer side of one end, located in the transmission block, of the transmission shaft, the first insection is matched with the strip-shaped tooth opening, a second insection is formed in the upper edge of the strip-shaped tooth opening, and the first insection is matched with the second insection.
8. The planetary reducer of the large-torque manual cutting machine according to claim 3, wherein top beads are arranged between the transmission section of the sun gear shaft and the first planetary disc seat and between the first transmission gear teeth and the second planetary disc seat.
CN201610909809.5A 2016-10-19 2016-10-19 Planetary reducer of large-torque manual cutting machine Active CN107965551B (en)

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CN109139813A (en) * 2018-10-23 2019-01-04 浙江贝托传动科技有限公司 A kind of planet-gear speed reducer and its assembly method

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GB483879A (en) * 1937-03-22 1938-04-27 Manuel Andres Y Gonzalez Improvements in or relating to epicyclic gears, particularly for driving gears such as progressive change speed gears
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CN105661735A (en) * 2015-12-31 2016-06-15 北京小鸟看看科技有限公司 Wearable head band and wearable device with same
CN106015472A (en) * 2016-07-05 2016-10-12 张静远 Hand-operated ratchet wheel self-locking two-way transmission mechanism

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GB483879A (en) * 1937-03-22 1938-04-27 Manuel Andres Y Gonzalez Improvements in or relating to epicyclic gears, particularly for driving gears such as progressive change speed gears
US4157745A (en) * 1978-05-22 1979-06-12 J. I. Case Company Park-lock mechanism for a vehicle transmission
CN101275653A (en) * 2007-03-21 2008-10-01 施耐宝公司 Dual pawl ratchet mechanism and reversing method
CN201040484Y (en) * 2007-04-24 2008-03-26 蔡贵席 Electric variable-speed wheel hub
CN105661735A (en) * 2015-12-31 2016-06-15 北京小鸟看看科技有限公司 Wearable head band and wearable device with same
CN106015472A (en) * 2016-07-05 2016-10-12 张静远 Hand-operated ratchet wheel self-locking two-way transmission mechanism

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