CN212717842U - Novel large-torque tightening machine speed reducer - Google Patents
Novel large-torque tightening machine speed reducer Download PDFInfo
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- CN212717842U CN212717842U CN202021265767.4U CN202021265767U CN212717842U CN 212717842 U CN212717842 U CN 212717842U CN 202021265767 U CN202021265767 U CN 202021265767U CN 212717842 U CN212717842 U CN 212717842U
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Abstract
The utility model discloses a novel big moment tightener reduction gear, including power supply end, speed reduction drive mechanism, limit knob mechanism and outer spacing projection, speed reduction drive mechanism includes output outer ring gear and the inside level four planetary gear set of output outer ring gear, tertiary planetary gear set, secondary planetary gear set and the one-level planetary gear set, level four planetary gear set, tertiary planetary gear set, secondary planetary gear set and one-level planetary gear set are end to end interconnect form, and four transmission connections, wherein the outside of one-level planetary gear set is provided with deep groove ball bearing, the outside of outer spacing projection is provided with input outer ring gear; compare in application standard reduction gear as bolt tightening machine increases square mechanism, the utility model discloses well increase square reduction gear of design can realize the output of big moment low rotational speed under the condition of finite volume, has satisfied the bolt tightening work of main equipment, and in operation simultaneously, because equipment is small, operate also convenience very.
Description
Technical Field
The utility model belongs to the technical field of the bolt tightening of machinery trade, concretely relates to novel big moment tightens quick-witted reduction gear.
Background
In order to meet the tightening operation of large-scale fastening and connecting bolts, such as wind power equipment, nuclear power equipment, large-scale hoisting equipment and the like, large-torque tightening equipment with the torque of thousands of newton meters or even thousands of newton meters is required to carry out the tightening operation. With the miniaturization and weight reduction of the tightening machine, the electric motor has become the most dominant power source of the tightening machine. But ordinary motor will reach the torque output survey volume of last thousand newton meters and can be very huge with high costs, and the rotational speed of screwing up the operation is less than the rated revolution speed of general motor far away, for this reason, the utility model provides a novel big moment screws up quick-witted reduction gear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel big moment tightens quick-witted reduction gear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel large-torque tightening machine speed reducer comprises a power supply end, a speed reducing transmission mechanism, a torque limiting mechanism and an outer limiting convex column, the speed reduction transmission mechanism comprises an output end external gear ring, a four-stage planetary gear set, a three-stage planetary gear set, a two-stage planetary gear set and a one-stage planetary gear set which are arranged in the output end external gear ring, the four-stage planetary gear set, the three-stage planetary gear set, the two-stage planetary gear set and the one-stage planetary gear set are in a head-tail connection state and are in transmission connection, wherein the outer part of the first-stage planetary gear set is provided with a deep groove ball bearing, the outer part of the outer limit convex column is provided with an input end outer gear ring, the outside cover of the outer ring gear of input is equipped with lock nut, lock nut is connected with the inner wall transmission of the outer ring gear of output, level four planetary gear set's tip runs through to the one end outside of the outer ring gear of output.
Preferably, the tip of one-level planetary gear set and the other pot head that is in the outer ring gear of output are equipped with the input flange, limit to turn round the mechanism and install on the terminal surface of input flange, limit to turn round the mechanism include with the outer ring gear of planet wheel of input flange terminal surface laminating, and it has the connecting bolt who is used for fixing to run through between the two, still be provided with the limit between the terminal surface of input flange and the outer ring gear of planet wheel and turn round the preforming, the terminal surface both sides embedding of the outer ring gear of planet wheel is inboard to the terminal surface of input flange, and has still placed clearance adjustment gasket between the two.
Preferably, an outer limiting convex column is fixed on the surface of one end of the output end outer gear ring, and the four-stage planetary gear set is located on the inner side of the outer limiting convex column.
Preferably, the end of the primary planetary gear set penetrates through the torque limiting mechanism and is connected with a power supply end, and the power supply end is electrically connected with an external power supply.
Preferably, the power supply end is further provided with a button, and the surface of the power supply end is further provided with a heat dissipation groove.
Compared with the prior art, the beneficial effects of the utility model are that:
compare in application standard reduction gear as bolt tightening machine increases square mechanism, the utility model discloses well increase square reduction gear of design can realize the output of big moment low rotational speed under the condition of finite volume, has satisfied the bolt tightening work of main equipment, and in operation simultaneously, because equipment is small, operate also convenience very.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the speed reduction transmission mechanism of the present invention;
fig. 3 is a sectional view of the reduction transmission mechanism of the present invention;
FIG. 4 is a schematic view of the rear end of the reduction drive mechanism of the present invention;
FIG. 5 is a schematic view of the front end of the reduction drive mechanism of the present invention;
fig. 6 is the connection schematic diagram of the input flange and the outer gear ring of the planet wheel of the present invention.
In the figure: 1. a four-stage planetary gear set; 2. an outer limiting convex column; 3. an output end outer gear ring; 4. a power supply end; 5. a third-stage planetary gear set; 6. a secondary planetary gear set; 7. a primary planetary gear set; 8. an input flange; 9. a deep groove ball bearing; 10. locking the nut; 11. an input end outer gear ring; 12. a torsion limiting tablet; 13. A connecting bolt; 14. a gap adjusting shim; 15. planet wheel outer gear ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a novel large-torque tightening machine speed reducer comprises a power supply end 4, a speed reduction transmission mechanism, a torque limiting mechanism and an outer limiting convex column 2, wherein the speed reduction transmission mechanism comprises an output end outer gear ring 3 and a four-stage planetary gear set 1, a three-stage planetary gear set 5, a two-stage planetary gear set 6 and a one-stage planetary gear set 7 which are arranged inside the output end outer gear ring 3, the four-stage planetary gear set 1, the three-stage planetary gear set 5, the two-stage planetary gear set 6 and the one-stage planetary gear set 7 are in an end-to-end mutually connected shape and are in transmission connection, a deep groove ball bearing 9 is arranged outside the one-stage planetary gear set 7, an input end outer gear ring 11 is arranged outside the outer limiting convex column 2, a locking nut 10 is sleeved outside the input end outer gear ring 11, the locking nut 10 is in transmission connection with the inner wall of the output end, compared with the standard speed reducer used as the torque increasing mechanism of the bolt tightening machine, the torque increasing speed reducer designed in the utility model can realize large torque and low rotating speed output under the condition of limited volume, thereby satisfying the bolt tightening work of large-scale equipment, and simultaneously in operation, because the equipment has small volume and is very convenient to operate, the input flange 8 is sleeved at the end part of the primary planetary gear set 7 and the other end of the primary planetary gear set, which is positioned at the output end outer gear ring 3, the torque limiting mechanism is arranged on the end surface of the input flange 8, the torque limiting mechanism comprises a planetary gear outer gear ring 15 which is attached to the end surface of the input flange 8, and a connecting bolt 13 for fixing penetrates between the input flange 8 and the planet gear outer gear ring 15, a torsion limiting pressing sheet 12 is further arranged between the end faces of the input flange 8 and the planet gear outer gear ring 15, two sides of the end face of the planet gear outer gear ring 15 are embedded into the inner side of the end face of the input flange 8, and a gap adjusting gasket 14 is further arranged between the input flange 8 and the planet gear outer gear ring 15.
In this embodiment, preferably, an outer limiting convex column 2 is fixed on one end surface of the output end outer gear ring 3, and the four-stage planetary gear set 1 is located on the inner side of the outer limiting convex column 2.
In this embodiment, preferably, the end of the primary planetary gear set 7 penetrates through the torque limiting mechanism and is connected with the power supply end 4, and the power supply end 4 is electrically connected with an external power supply.
In this embodiment, preferably, the power supply end 4 is further provided with a button, and the surface of the power supply end 4 is further provided with a heat dissipation groove.
The utility model discloses a theory of operation and use flow: when the utility model is used, the deep groove ball bearing 9 is installed in the input flange 8, the input shaft is also the sun gear of the first-level planetary gear set 7, the planet carrier of the first-level planetary gear set 7 is also the sun gear of the second-level planetary gear set 6, the planet carrier of the second-level planetary gear set 6 is also the sun gear of the third-level planetary gear set 5, the planet carrier of the third-level planetary gear set 5 is also the sun gear of the fourth-level planetary gear set 1, the planet carrier of the fourth-level planetary gear set 1 is also the output shaft, in use, the power supply end 4 provides power to drive the first-level planetary gear set 7, the first-level planetary gear set 7 drives the second-level planetary gear set 6, the second-level planetary gear set 6 drives the third-level planetary gear set 5, the third-level planetary gear, external bolts can be screwed through the four-stage planetary gear set 1, and in use, the torsion limiting pressing sheet 12 is arranged on one side of the input flange 8, steel balls are placed between the torsion limiting pressing sheet 12 and the planetary gear outer gear ring 15, and the planetary gear outer gear ring 15 is pressed on the input flange 8 through the torsion limiting pressing sheet 12 to realize fixation, so that a torsion limiting mechanism is formed; the gap between the input flange 8 and the outer gear ring 15 of the planet gear is adjusted through a gap hardening and tempering gasket 14, so that the positive pressure is adjusted, the friction force is changed, and the torque limit threshold is adjusted.
Wherein, the planetary gear set material in the utility model is 20CrMoTi, the heat treatment process adopts the first quenching and tempering, and the carburization is carried out (the hardness after the carburization reaches more than HRC 60); the planet carrier adopts a cage structure, and a rolling needle is added between the planet wheel and the planet rotating shaft to form a rolling friction pair; the tooth thickness is increased so as to increase the meshing area to meet the torque output of 2000N.m to 15000 N.m.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel big moment screws up quick-witted reduction gear, includes that power provides end (4), speed reduction drive mechanism, limit and turn round mechanism and outer spacing projection (2), its characterized in that: the speed reduction transmission mechanism comprises an output end external gear ring (3), and a four-stage planetary gear set (1), a three-stage planetary gear set (5), a two-stage planetary gear set (6) and a one-stage planetary gear set (7) which are arranged in the output end external gear ring (3), the four-stage planetary gear set (1), the three-stage planetary gear set (5), the two-stage planetary gear set (6) and the one-stage planetary gear set (7) are mutually connected end to end and are in transmission connection, a deep groove ball bearing (9) is arranged outside the first-stage planetary gear set (7), an input end outer gear ring (11) is arranged outside the outer limiting convex column (2), a locking nut (10) is sleeved outside the input end outer gear ring (11), the locking nut (10) is in transmission connection with the inner wall of the output end outer gear ring (3), the end part of the four-stage planetary gear set (1) penetrates through the outer part of one end of the output end outer gear ring (3).
2. The novel large-torque tightening machine reducer according to claim 1, characterized in that: the utility model discloses a spacing mechanism for the planetary gear set, including one-level planetary gear set (7), limit and turn round mechanism, the tip of one-level planetary gear set (7) and the other pot head that is in output outer ring gear (3) are equipped with input flange (8), limit is turned round the mechanism and is installed on the terminal surface of input flange (8), limit turn round the mechanism include with planet wheel outer ring gear (15) of input flange (8) terminal surface laminating, and run through between the two and be used for fixed connecting bolt (13), it turns round preforming (12) still to be provided with the limit between the terminal surface of input flange (8) and planet wheel outer ring gear (15), the terminal surface both sides embedding of planet wheel outer ring gear (15) is inboard to the terminal surface of input flange (.
3. The novel large-torque tightening machine reducer according to claim 1, characterized in that: an outer limiting convex column (2) is fixed on the surface of one end of the output end outer gear ring (3), and the four-stage planetary gear set (1) is located on the inner side of the outer limiting convex column (2).
4. The novel large-torque tightening machine reducer according to claim 1, characterized in that: the end part of the primary planetary gear set (7) penetrates through the torque limiting mechanism and is connected with the power supply end (4), and the power supply end (4) is electrically connected with an external power supply.
5. The novel large-torque tightening machine reducer according to claim 4, characterized in that: the power supply end (4) is further provided with a button, and the surface of the power supply end (4) is further provided with a heat dissipation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265767.4U CN212717842U (en) | 2020-07-01 | 2020-07-01 | Novel large-torque tightening machine speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021265767.4U CN212717842U (en) | 2020-07-01 | 2020-07-01 | Novel large-torque tightening machine speed reducer |
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| CN212717842U true CN212717842U (en) | 2021-03-16 |
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| CN202021265767.4U Active CN212717842U (en) | 2020-07-01 | 2020-07-01 | Novel large-torque tightening machine speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906165A (en) * | 2021-03-29 | 2021-06-04 | 野象科技(重庆)有限公司 | Automatic part sorting and assembling method, device and equipment and computer readable medium |
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2020
- 2020-07-01 CN CN202021265767.4U patent/CN212717842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906165A (en) * | 2021-03-29 | 2021-06-04 | 野象科技(重庆)有限公司 | Automatic part sorting and assembling method, device and equipment and computer readable medium |
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