A planetary drive roller device equipped with a backstop

Abstract

The utility model relates to the field of reducer driven rollers, and discloses a planetary driven roller device equipped with a backstop, comprising a reduction input shaft and a motor, wherein the front section of the reduction input shaft is connected with a primary planetary device, the middle section of the reduction input shaft is connected with an output planetary device, the rear end of the reduction input shaft is connected with the motor through a connecting sleeve, and the primary planetary device and the output planetary device are connected through a sun gear; the primary planetary device comprises a primary planetary carrier, a primary planetary wheel and a primary gear ring, the primary planetary wheel is arranged at the inner ring of the primary gear ring and meshes with the primary gear ring, and the primary planetary wheel is mounted on the primary planetary carrier; the output planetary device comprises an output planetary carrier, an output planetary wheel and an output gear ring, the output planetary wheel is arranged at the inner ring of the output gear ring and meshes with the output gear ring, and the output planetary wheel is mounted on the output planetary carrier; a front end cover is fixedly mounted at the front end of the primary gear ring, and a through hole for the reduction input shaft to pass through is opened in the middle of the front end cover.

Description

Technical Field

[0001] The utility model relates to the field of reducer drive rollers, in particular to a planetary drive roller device equipped with a backstop. Background Art

[0002] In order to solve these problems, the utility model proposes an improved planetary modular drive roller device, which is specially designed with a new one-way bearing structure to improve the stability and reliability of the reducer. In the industrial field, planetary drive roller devices are widely used in various transmission systems to provide high torque and precise speed control. However, the planetary drive roller devices in the prior art have some limitations in certain application scenarios, especially when reverse rotation needs to be prevented or a large load needs to be borne.

[0003] Existing planetary drive roller devices usually use bolts to fasten components such as motors and output shafts. In high-load or high-vibration working environments, these bolts may loosen or fall off, causing equipment performance degradation or even damage. In addition, once the bolts are lost or damaged, the replacement and repair process can be very complicated and time-consuming, increasing maintenance costs and downtime.

[0004] In order to solve these problems, the utility model proposes a planetary drive roller device equipped with a backstop. Summary of the invention

[0005] The utility model aims at the shortcomings of the prior art and provides a planetary drive roller device with a backstop installed.

[0006] To solve the above technical problems, the utility model is solved by the following technical solutions:

[0007] A planetary drive roller device with a backstop, comprising a reduction input shaft and a motor, wherein the front section of the reduction input shaft is connected to a primary planetary device, the middle section of the reduction input shaft is connected to an output planetary device, the rear end of the reduction input shaft is connected to the motor through a connecting sleeve, and the primary planetary device and the output planetary device are connected through a sun gear; the primary planetary device comprises a primary planetary carrier, a primary planetary wheel and a primary gear ring, wherein the primary planetary wheel is arranged at an inner ring of the primary gear ring and meshes with the primary gear ring, and the primary planetary wheel is mounted on the primary planetary carrier; the output planetary device comprises an output planetary carrier, an output planetary wheel and an output gear ring, wherein the output planetary wheel is arranged at an inner ring of the output gear ring and meshes with the output gear ring, and the output planetary wheel is mounted on the output planetary carrier; a front end cover is fixedly mounted at the front end of the primary gear ring, a through hole is provided in the middle of the front end cover for the reduction input shaft to pass through, a backstop is mounted on the front side of the front end cover, the inner ring of the backstop is connected to the reduction input shaft passing through the front end cover, and the outer shell of the backstop is fixedly connected to the front end cover; and a roller body is also included, wherein the roller body is connected to the output gear ring. The design of the device not only improves the stability and reliability of the equipment, but also effectively prevents reverse rotation and protects the equipment from damage by reverse force through the use of the backstop. The inner ring of the backstop is directly connected to the speed reduction input shaft, and the outer shell is fixedly connected to the front cover. This structural design simplifies the installation and maintenance of the backstop, making the replacement and repair process more convenient and quick. The connection design between the roller body and the output gear ring further improves the transmission efficiency and the overall stability of the roller device. The compact design of the backstop makes the overall layout of the planetary drive roller device more reasonable, saves space, and facilitates the integration and installation of the equipment. In addition, the fixed connection between the outer shell of the backstop and the front cover ensures the stability of the backstop and the convenience of assembly, which is more convenient when pressing the backstop. Since it is not a built-in backstop, it can effectively prevent the bolts of the backstop from loosening and falling into the reducer housing during long-term use, causing safety hazards and inconvenience for maintenance. The problem of reducing machine bolt fixing in the prior art is solved, the stability and reliability of the equipment are improved, and a more superior drive solution is provided for industrial applications. The backstop directly acting on the reduction input shaft can improve the stability of the entire device, especially in high-load or high-vibration working environments, and can effectively prevent equipment damage or performance degradation caused by reverse loads.

[0008] Preferably, the backstop is a heavy-duty backstop, which includes an outer shell and a backstop bearing, the backstop bearing is rotatably disposed in the outer shell, a center hole for engaging with the speed reduction input shaft is disposed in the center of the backstop bearing, and the hole wall of the center hole cooperates with the speed reduction input shaft. The backstop with heavy-duty design enables the planetary drive roller device to withstand a larger reverse load, is suitable for more demanding working conditions, and prolongs the service life of the equipment.

[0009] Preferably, the check bearing includes ramps evenly arranged in the circumference, balls are accommodated between the ramps and the outer shell, steps are provided between adjacent ramps, a receiving groove is provided in the step, an elastic sleeve is provided in the receiving groove, the inner end of the elastic sleeve is connected to the inner wall of the step through a spring, and the outer end of the elastic sleeve abuts against the balls. The design of the check adopts a heavy-duty check bearing, which realizes smooth and reliable unidirectional rotation through its internal structures such as ramps, balls and elastic sleeves, can stably bear and transmit loads, and reduce energy loss. This design not only improves the safety of the equipment, but also simplifies the maintenance and replacement process and reduces maintenance costs.

[0010] Preferably, a rear end cover is fixedly mounted on the rear end of the output ring gear, and the output planet carrier is located on the inner side of the rear end cover and extends out of the rear end cover.

[0011] Preferably, a connecting seat is further included, and the primary gear ring and the output gear ring are fixedly mounted on the front and rear sides of the connecting seat respectively, the front side of the primary gear ring is connected to the front end cover bolts, and the rear side of the output gear ring is connected to the rear end cover bolts.

[0012] Preferably, the primary planet carrier and the output planet gear are respectively meshed with the sun gear, so that the primary planetary device is connected to the output planetary device.

[0013] Preferably, the motor has a motor input shaft, and the motor input shaft is connected to the reduction input shaft through a coupling sleeve. No additional spline sleeve is required for connecting the motor input shaft to the reduction input shaft, which reduces the cost of parts and increases the connection reliability.

[0014] Preferably, the motor and the output planetary carrier are fixedly connected via a support.

[0015] The utility model has significant technical effects due to the adoption of the above technical solutions:

[0016] The planetary modular drive roller device maintains high efficiency and high torque density while solving the problem of reducer bolt fixing in the prior art through the design of installing the improved backstop on the outside of the front cover, making the installation and maintenance of the reducer more convenient, avoiding the risk of bolts falling into the reducer, and improving the stability and reliability of the equipment.

[0017] The direct connection design between the drum body and the output ring gear further improves the transmission efficiency and the overall stability of the drum device. This design not only reduces the risk of mechanical failure, but also simplifies the maintenance and assembly process of the reducer, reduces maintenance costs and improves production efficiency.

[0018] By adding a heavy-duty check valve, the structure of the check valve can adapt to work with greater torque, saving costs. The safety and reliability of the equipment are optimized. It is not only suitable for heavy loads, but can be used in different industrial application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the reducer part of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the utility model with a motor and a drum body.

[0021] Figure 3 It is a cross-sectional view of the backstop.

[0022] Figure 4 It is a longitudinal section view of the backstop.

[0023] The names of the parts indicated by the numerical symbols in the above drawings are as follows: 1. reduction input shaft; 2. motor; 21. connecting sleeve; 22. motor input shaft; 3. sun gear; 41. primary planetary carrier; 42. primary planetary gear; 43. primary ring gear; 51. output planetary carrier; 52. output planetary gear; 53. output ring gear; 6. check valve; 61. outer shell; 62. check bearing; 621. ramp; 622. step; 623. receiving groove; 63. center hole; 64. ball; 65. elastic sleeve; 66. spring; 7. roller body; 81. front end cover; 82. rear end cover; 83. connecting seat; 9. support. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] Example 1

[0026] A planetary drive roller device equipped with a backstop, such as Figure 1-2As shown, it includes a reduction input shaft 1 and a motor 2, the front section of the reduction input shaft 1 is connected to a primary planetary device, the middle section of the reduction input shaft 1 is connected to an output planetary device, the rear end of the reduction input shaft 1 is connected to the motor 2 through a connecting sleeve 21, and the primary planetary device and the output planetary device are connected through a sun gear 3; the primary planetary device includes a primary planetary carrier 41, a primary planetary wheel 42 and a primary ring gear 43, the primary planetary wheel 42 is arranged on the inner ring of the primary ring gear 43 and meshes with the primary ring gear 43, and the primary planetary wheel 42 is installed on the primary planetary carrier 41; the output planetary device includes an output planetary carrier 51, an output planetary gear 52 and an output ring gear 53, the output planetary gear 52 is arranged on the inner ring of the output ring gear 53 and meshes with the output ring gear 53, and the output planetary gear 52 is installed on the output planetary carrier 51; a front end cover 81 is fixedly installed at the front end of the primary ring gear 43, a through hole is opened in the middle of the front end cover 81 for the reduction input shaft 1 to pass through, a check valve 6 is installed on the front side of the front end cover 81, the inner ring of the check valve 6 is connected to the reduction input shaft 1 passing through the front end cover 81, and the outer shell 61 of the check valve 6 is fixedly connected to the front end cover 81; it also includes a roller body 7, and the roller body 7 is connected to the output ring gear 53.

[0027] like Figure 3-4 As shown, the check valve 6 is a heavy-duty check valve, and the check valve 6 includes an outer shell 61 and a check bearing 62. The check bearing 62 is rotatably arranged in the outer shell 61. A center hole 63 for engaging with the reduction input shaft 1 is arranged in the center of the check bearing 62. The hole wall of the center hole 63 cooperates with the reduction input shaft 1. The check bearing 62 includes ramps 621 evenly arranged in the circumferential direction. A ball 64 is accommodated between the ramp 621 and the outer shell 61. There is a step 622 between adjacent ramps 621. A receiving groove 623 is provided in the step 622. An elastic sleeve 65 is slidably arranged in the receiving groove 623. The inner end of the elastic sleeve 65 is connected to the inner wall of the step 622 through a spring 66. The outer end of the elastic sleeve 65 abuts against the ball 64. Due to the pressure provided by the spring 66, the elastic sleeve 65 will press the ball against the side wall of the outer shell 61. When the check bearing can rotate counterclockwise, the pressure applied by the elastic sleeve 65 to the ball will cause the ball 64 to be stuck between the ramp and the outer shell 61, achieving irreversible rotation.

[0028] A rear end cover 82 is fixedly mounted on the rear end of the output ring gear 53 , and the output planet carrier 51 is located inside the rear end cover 82 and extends out of the rear end cover 82 .

[0029] It also includes a connecting seat 83, and the primary gear ring 43 and the output gear ring 53 are fixedly installed on the front and rear sides of the connecting seat 83 respectively. The front side of the primary gear ring 43 is bolted to the front end cover 81, and the rear side of the output gear ring 53 is bolted to the rear end cover 82.

[0030] The primary planet carrier 41 and the output planet gear 52 are respectively meshed with the sun gear 3, so that the primary planetary device is connected to the output planetary device.

[0031] The motor 2 has a motor input shaft 22, and the motor input shaft 22 is connected to the reduction input shaft 1 through a coupling sleeve 21. The motor 2 is fixedly connected to the output planet carrier 51 through a support 9.

[0032] In the description of the present utility model, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0033] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. A planetary drive roller device equipped with a backstop, characterized in that: include A reduction input shaft (1) and a motor (2), wherein the front section of the reduction input shaft (1) is connected to a primary planetary device, the middle section of the reduction input shaft (1) is connected to an output planetary device, the rear end of the reduction input shaft (1) is connected to the motor (2) via a connecting sleeve (21), and the primary planetary device and the output planetary device are connected via a sun gear (3); The primary planetary device comprises a primary planetary carrier (41), a primary planetary wheel (42) and a primary ring gear (43); the primary planetary wheel (42) is arranged on the inner ring of the primary ring gear (43) and meshes with the primary ring gear (43); and the primary planetary wheel (42) is mounted on the primary planetary carrier (41); The output planetary device comprises an output planetary carrier (51), an output planetary wheel (52) and an output ring gear (53); the output planetary wheel (52) is arranged on the inner ring of the output ring gear (53) and meshes with the output ring gear (53); and the output planetary wheel (52) is mounted on the output planetary carrier (51); A front end cover (81) is fixedly mounted on the front end of the primary gear ring (43); a through hole is provided in the middle of the front end cover (81) for the reduction input shaft (1) to pass through; a check valve (6) is mounted on the front side of the front end cover (81); an inner ring of the check valve (6) is connected to the reduction input shaft (1) passing through the front end cover (81); and an outer shell (61) of the check valve (6) is fixedly connected to the front end cover (81); It also includes a roller body (7), which is connected to the output gear ring (53).

2. A planetary drive roller device equipped with a backstop according to claim 1, characterized in that: The backstop (6) is a heavy-duty backstop. The backstop (6) comprises an outer shell (61) and a backstop bearing (62). The backstop bearing (62) is rotatably arranged in the outer shell (61). A center hole (63) for engaging with the reduction input shaft (1) is arranged at the center of the backstop bearing (62). The hole wall of the center hole (63) cooperates with the reduction input shaft (1).

3. A planetary drive roller device equipped with a backstop according to claim 2, characterized in that: The check bearing (62) comprises ramps (621) uniformly arranged in the circumferential direction, a ball (64) is accommodated between the ramps (621) and the outer shell (61), a step (622) is provided between adjacent ramps (621), a receiving groove (623) is provided in the step (622), an elastic sliding sleeve (65) is slidably provided in the receiving groove (623), an inner end of the elastic sliding sleeve (65) is connected to the inner wall of the step (622) via a spring (66), and an outer end of the elastic sliding sleeve (65) is in contact with the ball (64).

4. A planetary drive roller device equipped with a backstop according to claim 1, characterized in that: A rear end cover (82) is fixedly mounted on the rear end of the output gear ring (53), and the output planet carrier (51) is located on the inner side of the rear end cover (82) and extends out of the rear end cover (82).

5. A planetary drive roller device equipped with a backstop according to claim 4, characterized in that: It also includes a connecting seat (83), the primary gear ring (43) and the output gear ring (53) are fixedly mounted on the front and rear sides of the connecting seat (83), respectively, the front side of the primary gear ring (43) is bolted to the front end cover (81), and the rear side of the output gear ring (53) is bolted to the rear end cover (82).

6. A planetary drive roller device equipped with a backstop according to claim 1, characterized in that: The primary planet carrier (41) and the output planet gear (52) are respectively meshed with the sun gear (3), so that the primary planet gear is connected to the output planet gear.

7. A planetary drive roller device equipped with a backstop according to claim 1, characterized in that: The motor (2) has a motor input shaft (22), and the motor input shaft (22) is connected to the reduction input shaft (1) via a connecting sleeve (21).

8. The planetary drive roller device with a backstop according to claim 1, characterized in that: The motor (2) and the output planet carrier (51) are fixedly connected via a support (9).

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