CN213332293U - Screw conveyor driving gear box - Google Patents
Screw conveyor driving gear box Download PDFInfo
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- CN213332293U CN213332293U CN202022234319.4U CN202022234319U CN213332293U CN 213332293 U CN213332293 U CN 213332293U CN 202022234319 U CN202022234319 U CN 202022234319U CN 213332293 U CN213332293 U CN 213332293U
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Abstract
A screw conveyor driving gear box belongs to the technical field of screw conveyors. The method is characterized in that: an output shaft of the motor (1) is connected with a gear transmission mechanism through a planetary reducer (2), the gear transmission mechanism is arranged in a gear box body, and the gear transmission mechanism is connected with a screw rod to serve as a power output end; an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, and a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body. The utility model discloses a gear drive mechanism direct mount is on planetary reducer output shaft, simultaneously, is equipped with axial positioner on gear drive mechanism's output terminal surface, is equipped with radial positioner between gear drive mechanism's output axial and the gearbox body inner wall, no longer uses bearing structure, and this makes the gear box inside compacter, and is small, and bearing capacity is strong, is applicable to the operating mode of low-speed heavy load.
Description
Technical Field
A screw conveyor driving gear box belongs to the technical field of screw conveyors.
Background
At present, in a screw conveyor drive gear box, an input gear of a gear box is generally required to be connected with a motor or a power device such as a speed reducer through parts such as a coupler, the positioning and the installation of a transmission gear are generally realized through a bearing, the gear box of the structure has more parts, a complex structure and a large volume, and the bearing capacity is insufficient under the working condition of low-speed heavy load, and the lubricating structure is unreasonable in arrangement, so that the performance is poor.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the screw conveyor driving gear box which reduces gear box parts, ensures good lubricating effect and bearing capacity and flexibly adjusts gear positioning is provided.
The utility model provides a technical scheme that its technical problem adopted is: this screw conveyer drive gear box, its characterized in that: the motor output shaft is connected with the gear transmission mechanism through the planetary reducer, the gear transmission mechanism is installed in the gear box body, and the gear transmission mechanism is connected with a screw rod to serve as a power output end; an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, and a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body.
The utility model discloses a gear drive direct mount is not using traditional coupling joint mode on the planetary reducer output shaft. The number of parts is effectively reduced. Meanwhile, an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, and a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body, so that a bearing structure is not used, and the gear box has better performance under the condition of sufficient lubrication. The gear box is more compact in interior, small in number of parts, small in size, strong in bearing capacity and suitable for the working condition of low speed and heavy load.
The axial positioning device is a plane positioning device and comprises two symmetrical groups of plane nylon rings, and the two groups of plane nylon rings are respectively arranged on the end surfaces of the two sides of the output end of the gear transmission mechanism.
One side of the axial positioning device is provided with an adjusting device, the adjusting device is a screw and nut assembly and comprises a screw, a nut and an adjusting ring, the adjusting ring is superposed on the end surface of the axial positioning device, one end of the screw axially contacts with the adjusting ring, and the other end of the screw is installed on the gearbox body through the nut.
The radial positioning device comprises more than two groups of radial nylon rings which are sleeved between the output end of the gear transmission mechanism and the inner wall of the gear box body side by side along the axial direction.
A lubricating device is arranged on one side of the gear box body, the lubricating device comprises an oil pipe I, an oil pipe II, an oil pipe III, an oil pipe IV, an oil pipe V and an oil pipe VI which are arranged on the gear box body, and the oil pipe II, the oil pipe III, the oil pipe IV and the oil pipe V are arranged on one side of the radial positioning device; the first oil pipe and the sixth oil pipe are arranged on two sides of the output end of the gear transmission mechanism.
The gear transmission mechanism comprises a pinion and a bull gear which are meshed with each other, the pinion is installed on an output shaft of the planetary reducer, an output hollow shaft is sleeved on an inner ring of the bull gear and serves as an output end, and a power output device is connected in the output hollow shaft.
And sealing devices are arranged between the two axial end parts of the large gear and the gear box body.
The gear box body comprises a first box body and a second box body which are symmetrically arranged, and sealing covers are arranged on the two end faces of the first box body and the two end faces of the second box body.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the utility model discloses a gear drive direct mount is not using traditional coupling joint mode on the planetary reducer output shaft. The number of parts is effectively reduced. Meanwhile, an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body, the gear wheel adopts a nylon ring for radial and axial positioning, a bearing structure is not used, and the performance is better under the condition that the nylon ring is sufficiently lubricated. The gear box is more compact in interior, small in number of parts, small in size, strong in bearing capacity and suitable for the working condition of low speed and heavy load.
Drawings
Fig. 1 is a schematic structural view of a screw conveyor driving gear box.
The device comprises a motor 1, a motor 2, a planetary reducer 3, a pinion 4, a positioning end plate 5, an end cover 6, a plane nylon ring 7, an adjusting ring 8, a screw nut assembly 9, a sealing cover 10, an output hollow shaft 11, a radial nylon ring 12, a first lip seal 13, a second lip seal 14, a first box body 15, a large gear 16, a second box body 17, a fixing bolt 18, a positioning pin 19, a first oil pipe 20, a second oil pipe 21, a third oil pipe 22, a fourth oil pipe 23, a fifth oil pipe 24 and a sixth oil pipe.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
Referring to figure 1: a screw conveyor driving gear box comprises a motor 1, a planetary reducer 2, a gear transmission mechanism and a gear box body, wherein an output shaft of the motor 1 is connected with the gear transmission mechanism through the planetary reducer 2, the gear transmission mechanism is installed in the gear box body, and the gear transmission mechanism is connected with a screw to serve as a power output end; an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, and a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body.
The axial positioning device is a plane positioning device and comprises two symmetrical groups of plane nylon rings 6, and the two groups of plane nylon rings 6 are respectively arranged on the end surfaces of two sides of the output end of the gear transmission mechanism. One side of the axial positioning device is provided with an adjusting device which is a screw and nut assembly 8 and comprises a screw, a nut and an adjusting ring 7, the adjusting ring 7 is superposed on the end surface of the axial positioning device, one end of the screw axially contacts the adjusting ring 7, and the other end of the screw is installed on the gearbox body through the nut.
The radial positioning device comprises more than two groups of radial nylon rings 11, and the radial nylon rings 11 are sleeved between the output end of the gear transmission mechanism and the inner wall of the gear box body side by side along the axial direction.
A lubricating device is arranged on one side of the gear box body, the lubricating device comprises a first oil pipe 19, a second oil pipe 20, a third oil pipe 21, a fourth oil pipe 22, a fifth oil pipe 23 and a sixth oil pipe 24 which are arranged on the gear box body, and the second oil pipe 20, the third oil pipe 21, the fourth oil pipe 22 and the fifth oil pipe 23 are arranged on one side of the radial positioning device; the first oil pipe 19 and the sixth oil pipe 24 are arranged on two sides of the output end of the gear transmission mechanism.
The gear transmission mechanism comprises a pinion 3 and a gearwheel 15 which are meshed with each other, the pinion 3 is arranged on an output shaft of the planetary reducer 2, an output hollow shaft 10 is sleeved on the inner ring of the gearwheel 15 and serves as an output end, and a power output device is connected into the output hollow shaft 10. Sealing devices are arranged between the two axial ends of the large gear 15 and the gear box body. The gear box body comprises a first box body 14 and a second box body 16 which are symmetrically arranged, and sealing covers 9 are arranged on the end faces of the first box body 14 and the second box body 16.
The working principle and the working process are as follows:
the output power of the motor 1 is transmitted to a pinion 3 through a planetary reducer 2, the pinion 3 is connected with an output shaft of the planetary reducer 2 through a spline, the two ends of the positioning mode are positioned, and the positioning mode is that the two ends of the positioning mode are positioned through a positioning table on the left side and a positioning end plate 4 on the right side. The pinion gear 3 meshes with the bull gear 15, and transmits power to the bull gear 15. The large gear 15 is connected with the output hollow shaft 10 by a fixing bolt 17 and is positioned by a lug boss on the output hollow shaft 10. The power output screw is welded inside the output hollow shaft 10, and finally, power is transmitted to the screw.
The input end of the gear box is sealed by an end cover 5, and two sides of the output end are sealed by a first lip seal 12, a second lip seal 13 and a sealing cover 9. The planar nylon ring 6 and the radial nylon ring 11 axially and radially position the bull gear 15. The plane nylon ring 6 and the radial nylon ring 11 are lubricated by grease through the second oil pipe 20, the third oil pipe 21, the fourth oil pipe 22 and the fifth oil pipe 23, so that the abrasion of the nylon rings is avoided. Oil pipe one 19 and oil pipe six 24 primarily grease seal one 12 and lip two 13.
The adjusting ring 7 and the screw nut assembly 8 axially adjust the plane nylon ring 6, a proper gap is reserved, and the large gear 15 can normally run. In long-term use, the plane nylon ring 6 has certain abrasion, the gap is enlarged, the axial gap can be readjusted through the adjusting screw and nut assembly 8, and the top of the adjusting screw needs to be processed into a 60-degree included angle, so that the adjusting and the use are convenient. Two planar nylon rings 6 are fixed on the box body and the adjusting ring 7 by countersunk screws, and are fixed and then processed, so that better parallelism can be ensured. Two planar nylon rings 6 are arranged in the gear box body in an interference mode. And calculating the magnitude of interference, and pressing in by using a press machine, so that certain tension is provided and loosening in operation is avoided. The inner hole is processed after the nylon ring is installed, so that good coaxiality is ensured. The two end faces of the gearwheel 15 require good parallelism and roughness. Damage to the planar nylon ring 6 is avoided. Lubrication is provided for the four nylon rings of the planar nylon ring 6 and the radial nylon ring 11 and the first lip seal 12 and the second lip seal 13 by injecting grease into the first oil pipe 19, the second oil pipe 20, the third oil pipe 21, the fourth oil pipe 22, the fifth oil pipe 23 and the sixth oil pipe 24. The positioning end plate 4 is matched with an output shaft of the planetary reducer 2 through the positioning pin 18, and the outer ring of the positioning end plate 4 is matched with the pinion 3, so that the pinion 3 is positioned.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A screw conveyor drive gear box characterized in that: the device comprises a motor (1), a planetary reducer (2), a gear transmission mechanism and a gear box body, wherein an output shaft of the motor (1) is connected with the gear transmission mechanism through the planetary reducer (2), the gear transmission mechanism is arranged in the gear box body, and the gear transmission mechanism is connected with a screw rod to serve as a power output end; an axial positioning device is arranged on the end face of the output end of the gear transmission mechanism, and a radial positioning device is arranged between the axial direction of the output end of the gear transmission mechanism and the inner wall of the gear box body.
2. A screw conveyor drive gearbox according to claim 1, characterized in that: the axial positioning device is a plane positioning device and comprises plane nylon rings (6), the plane nylon rings (6) are symmetrically arranged in two groups, and the two groups of plane nylon rings (6) are respectively arranged on the end faces of the two sides of the output end of the gear transmission mechanism.
3. A screw conveyor drive gearbox according to claim 2, characterized in that: one side of the axial positioning device is provided with an adjusting device, the adjusting device is a screw and nut assembly (8) and comprises a screw, a nut and an adjusting ring (7), the adjusting ring (7) is superposed on the end face of the axial positioning device, one end of the screw axially contacts the adjusting ring (7), and the other end of the screw is installed on the gearbox body through the nut.
4. A screw conveyor drive gearbox according to claim 1, characterized in that: the radial positioning device comprises more than two groups of radial nylon rings (11), and the radial nylon rings (11) are sleeved between the output end of the gear transmission mechanism and the inner wall of the gear box body side by side along the axial direction.
5. A screw conveyor drive gearbox according to claim 1, characterized in that: a lubricating device is arranged on one side of the gear box body, the lubricating device comprises a first oil pipe (19), a second oil pipe (20), a third oil pipe (21), a fourth oil pipe (22), a fifth oil pipe (23) and a sixth oil pipe (24) which are arranged on the gear box body, and the second oil pipe (20), the third oil pipe (21), the fourth oil pipe (22) and the fifth oil pipe (23) are arranged on one side of the radial positioning device; the first oil pipe (19) and the sixth oil pipe (24) are arranged on two sides of the output end of the gear transmission mechanism.
6. A screw conveyor drive gearbox according to claim 1, characterized in that: the gear transmission mechanism comprises a pinion (3) and a gearwheel (15) which are meshed with each other, the pinion (3) is arranged on an output shaft of the planetary reducer (2), an output hollow shaft (10) is sleeved on the inner ring of the gearwheel (15) and serves as an output end, and a power output device is connected in the output hollow shaft (10).
7. A screw conveyor drive gearbox according to claim 6, wherein: and sealing devices are arranged between the two axial end parts of the large gear (15) and the gear box body.
8. A screw conveyor drive gearbox according to claim 1, characterized in that: the gear box body comprises a first box body (14) and a second box body (16) which are symmetrically arranged, and sealing covers (9) are arranged on the end faces of the first box body (14) and the second box body (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234319.4U CN213332293U (en) | 2020-10-10 | 2020-10-10 | Screw conveyor driving gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234319.4U CN213332293U (en) | 2020-10-10 | 2020-10-10 | Screw conveyor driving gear box |
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| Publication Number | Publication Date |
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| CN213332293U true CN213332293U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022234319.4U Active CN213332293U (en) | 2020-10-10 | 2020-10-10 | Screw conveyor driving gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321281A (en) * | 2021-12-31 | 2022-04-12 | 大连华锐重工集团股份有限公司 | Heavy gear box for rolling mill |
-
2020
- 2020-10-10 CN CN202022234319.4U patent/CN213332293U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321281A (en) * | 2021-12-31 | 2022-04-12 | 大连华锐重工集团股份有限公司 | Heavy gear box for rolling mill |
| CN114321281B (en) * | 2021-12-31 | 2023-07-14 | 大连华锐重工集团股份有限公司 | Heavy gear box for rolling mill |
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