CN211333895U - Small-spacing large-torque screwing device - Google Patents
Small-spacing large-torque screwing device Download PDFInfo
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- CN211333895U CN211333895U CN201922370225.7U CN201922370225U CN211333895U CN 211333895 U CN211333895 U CN 211333895U CN 201922370225 U CN201922370225 U CN 201922370225U CN 211333895 U CN211333895 U CN 211333895U
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Abstract
The utility model provides a small-spacing large-torque screwing device, which comprises a shell; an upper cavity and a lower cavity are arranged in the shell, the left end and the right end of each cavity are respectively connected with a servo motor and a rotary connector, the servo motor is connected with the controller, and the outer end of the rotary connector is in a bell mouth shape; a plurality of planetary gears which rotate coaxially are continuously arranged in each cavity, a sun gear shaft of the first-stage planetary gear is coaxially and rotatably connected with a driving shaft of the servo motor, a gear ring of the previous stage is connected with a sun gear shaft of the next stage, and the last-stage planetary gear is connected with the rotary connector. The utility model discloses set up two-layer equipment of twisting soon in a whole shell, solved and twisted the interval and lead to soon twisting the great problem of the degree of difficulty for a short time to all be equipped with multistage planetary gear in every layer, satisfy the synchronous operation requirement of twisting soon of the big moment of torsion of booth apart from, thereby realize that the reinforcing bar slowly puts in step and open.
Description
Technical Field
The utility model belongs to machinery revolves and twists the field, especially relates to a device is twisted soon to big moment of torsion of booth apart from.
Background
At present, with the technological progress and material saving, the mechanized design structure is more and more compact, the space left for mechanical screwing is smaller and smaller, the required torque becomes larger and larger, and the difficulty of mechanical screwing is increased.
After the prestressed concrete track slab of the CRTSIII type ballastless track of the high-speed railway is optimally designed, a longitudinal two-layer prestressed reinforcement structure is adopted, and the distance between the two layers of reinforcement structures is small, so that the prior art is difficult to realize synchronous slow tension release in the tension releasing and screwing process, and the stress impact on the track slab can be often caused.
Disclosure of Invention
In view of this, the utility model aims at providing a device is twisted soon to booth apart from big moment of torsion sets up two-layer equipment of twisting soon in a whole shell, has solved to twist soon that the interval leads to twisting the great problem of the degree of difficulty soon for a short time to all be equipped with multistage planetary gear in every layer, satisfy booth apart from big moment of torsion and twist soon the operation requirement in step, thereby realize that the reinforcing bar slowly puts in step and open.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a small-spacing large-torque screwing device comprises a shell; an upper cavity and a lower cavity are arranged in the shell, the left end and the right end of each cavity are respectively connected with a servo motor and a rotary connector, the servo motor is connected with the controller, and the outer end of the rotary connector is in a bell mouth shape; a plurality of planetary gears which coaxially rotate are continuously arranged in each cavity, each planetary gear comprises a gear ring and a sun gear shaft, the sun gear which coaxially rotates with the sun gear shaft is arranged at the center of the gear ring, a plurality of gears which rotate along the gear shafts are meshed around the sun gear, and the outer side of each gear is meshed with the inner side of the gear ring; the sun gear shaft of the first-stage planetary gear is coaxially and rotatably connected with the driving shaft of the servo motor, the gear ring of the previous stage is connected with the sun gear shaft of the next stage, and the last-stage planetary gear is connected with the rotary connector.
The outer end of the rotary connector is in a horn mouth shape, the rotary connector is convenient to be butted with a steel bar, the shape of the inner part of the rotary connector is matched with the shape of the outer end of the steel bar, the rotary connector is convenient to be butted accurately, and tensioning is achieved.
Further, the distance between the rotating shafts in the two cavities is 60mm-100 mm.
Furthermore, three planetary gears are arranged in each cavity.
Furthermore, the rotary connector is coaxially and rotatably connected with the gear ring of the last-stage planetary gear and the sun gear shaft.
Furthermore, three gears are arranged in each planetary gear.
Further, the two cavities are not communicated with each other.
Compared with the prior art, a little apart from big moment of torsion revolve and twist device have following advantage:
a booth revolves soon device apart from big moment of torsion, set up two-layer equipment of revolving soon in a whole shell, solved to revolve to twist the interval and lead to revolving soon the great problem of the degree of difficulty for a short time to every intraformational all is equipped with multistage planetary gear, satisfies the booth and revolves soon the operation requirement apart from big moment of torsion in step, thereby realizes that the reinforcing bar slowly puts in step, the device occupation space is little, material saving, the transmission is steady, compact structure, long service life, and rotation rate is controllable, easy operation has improved work efficiency.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
fig. 1 is a schematic structural view of a small-pitch large-torque screwing device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a planetary gear in a small-pitch large-torque screwing device according to an embodiment of the present invention.
Description of reference numerals:
1-a servo motor; 2-a housing; 3-a planetary gear; 31-a ring gear; 32-sun gear shaft; 33-sun gear; 34-a gear; 35-a gear shaft; 4-rotating connector.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-2, a small pitch large torque screwing device includes a housing 2; an upper cavity and a lower cavity are arranged in the shell 2, the left end and the right end of each cavity are respectively connected with the servo motor 1 and the rotary connector 4, the servo motor 1 is connected with the controller, and the outer end of the rotary connector 4 is in a horn mouth shape; a plurality of planetary gears 3 which coaxially rotate are continuously arranged in each cavity, each planetary gear 3 comprises a gear ring 31 and a sun gear shaft 32, a sun gear 33 which coaxially rotates with the sun gear shaft 32 is arranged at the center of the gear ring 31, a plurality of gears 34 which rotate along a gear shaft 35 are meshed around the sun gear 33, and the outer side of each gear 34 is meshed with the inner side of the gear ring 31; the sun gear shaft 32 of the first stage planetary gear 3 is coaxially and rotatably connected with the driving shaft of the servo motor 1, the gear ring 31 of the previous stage is connected with the sun gear shaft 32 of the next stage, and the last stage planetary gear 3 is connected with the rotary connector 4.
The outer end of the rotary connector 4 is in a horn mouth shape, the butt joint with the steel bars is convenient, the shape of the inner part of the rotary connector 4 is matched with the shape of the outer end of the steel bars, the butt joint is convenient to achieve accurately, and tensioning is achieved.
As shown in fig. 1-2, the distance between the axes of rotation in the two cavities is 60mm-100 mm.
As shown in fig. 1-2, three planet gears 3 are provided in each cavity.
As shown in fig. 1-2, the rotary connector 4 is coaxially and rotatably connected to the ring gear 31 and the sun gear shaft 32 of the final stage planetary gear 3.
As shown in fig. 1-2, three gears 34 are provided in each planetary gear 3.
As shown in fig. 1-2, the two cavities do not communicate with each other.
The utility model relates to a device is twisted soon to little apart from big moment of torsion that revolves in practical application, butt joint upper and lower two rotary connector 4 and stretch-draw pole back and start two servo motor 1, change speed through the continuous planetary gear 3 of multiunit, preceding stage's ring gear 31 and next stage's sun gear axle 32 processing are as an organic whole, can obtain required drive ratio through multistage combination, the sun gear axle 32 of first stage is provided with power by servo motor 1, transmit power to ring gear 31 through sun gear 33 and gear 34, transmit power to next stage, until last stage's sun gear axle 32 drives rotary connector 4 and rotates, realized servo motor 1 to rotary connector 4 big moment of torsion power transmission, through the form of upper and lower two-layer equipment sharing shell 2, make two sets of twisting center interval control in less within range soon, thereby realized the output of little apart from big moment of torsion power, the invention achieves the purpose of synchronously and slowly releasing and expanding the reinforcing steel bars, and has the characteristics of small volume, small mass, compact structure, large bearing capacity, high transmission efficiency, large transmission ratio and stable operation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a device is twisted to big moment of torsion of booth apart from, its characterized in that: comprises a housing (2); an upper cavity and a lower cavity are arranged in the shell (2), the left end and the right end of each cavity are respectively connected with a servo motor (1) and a rotary connector (4), the servo motor (1) is connected with a controller, and the outer end of the rotary connector (4) is in a horn mouth shape; a plurality of coaxially rotating planetary gears (3) are continuously arranged in each cavity, each planetary gear (3) comprises a gear ring (31) and a sun gear shaft (32), a sun gear (33) which coaxially rotates with the sun gear shaft (32) is arranged at the center of the gear ring (31), a plurality of gears (34) which rotate along a gear shaft (35) are meshed around the sun gear (33), and the outer side of each gear (34) is meshed with the inner side of the gear ring (31); a sun gear shaft (32) of the first-stage planetary gear (3) is coaxially and rotatably connected with a driving shaft of the servo motor (1), the gear ring (31) of the previous stage is connected with the sun gear shaft (32) of the next stage, and the planetary gear (3) of the last stage is connected with the rotary connector (4).
2. A small pitch large torque turning device as claimed in claim 1, wherein: the distance between the rotating shafts in the two cavities is 60mm-100 mm.
3. A small pitch large torque turning device as claimed in claim 1, wherein: three planet gears (3) are arranged in each cavity.
4. A small pitch large torque turning device as claimed in claim 1, wherein: the rotary connector (4) is coaxially and rotatably connected with the gear ring (31) and the sun gear shaft (32) of the planetary gear (3) of the last stage.
5. A small pitch large torque turning device as claimed in claim 1, wherein: three gears (34) are arranged in each planetary gear (3).
6. A small pitch large torque turning device as claimed in claim 1, wherein: the two cavities are not communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370225.7U CN211333895U (en) | 2019-12-25 | 2019-12-25 | Small-spacing large-torque screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370225.7U CN211333895U (en) | 2019-12-25 | 2019-12-25 | Small-spacing large-torque screwing device |
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| Publication Number | Publication Date |
|---|---|
| CN211333895U true CN211333895U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922370225.7U Active CN211333895U (en) | 2019-12-25 | 2019-12-25 | Small-spacing large-torque screwing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978262A (en) * | 2019-12-25 | 2020-04-10 | 河间市银龙轨道有限公司 | Small-spacing large-torque screwing device |
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2019
- 2019-12-25 CN CN201922370225.7U patent/CN211333895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978262A (en) * | 2019-12-25 | 2020-04-10 | 河间市银龙轨道有限公司 | Small-spacing large-torque screwing device |
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