Adjustable planetary reduction gearbox

Abstract

The utility model relates to the field of reduction gearboxes, and discloses an adjustable planetary reduction gearbox which comprises a protective cylinder, an input end cover is in threaded connection with the upper end face of the protective cylinder, an input shaft is rotatably arranged on the upper end face of the input end cover, a speed change module is slidably arranged on the upper end face of the input shaft, and a speed reduction module is arranged on the inner bottom face of the protective cylinder in a clamped mode. A connecting cylinder is fixedly arranged on the lower end face of the protective cylinder, a containing box is fixedly arranged on the lower end face of the connecting cylinder, and two transmission gears are rotationally arranged on the two sides of the inner bottom face of the containing box. According to the utility model, the input end cover is arranged on the upper end face of the protective cylinder, the input end cover can extrude the speed reduction module arranged in the protective cylinder, so that the speed reduction module can be kept stable in the protective cylinder, the input shaft is arranged on the upper end face of the input end cover, and the speed change module is arranged on the upper end face of the input shaft; the speed change module can change the rotating speed of the equipment, and the speed reduction module is arranged in the protection cylinder and can play a role in speed reduction.

Description

Technical Field

[0001] The utility model relates to the field of reduction gearboxes, in particular to an adjustable planetary reduction gearbox. Background Art

[0002] Planetary reducer, with its unique working principle and excellent performance, plays a vital role in the industrial field. Its name comes from the arrangement of its internal gears, as if the planets in the solar system revolve around the sun, hence the name "planetary" reducer. Planetary reducer is an outstanding representative of precision mechanical design. With its unique working principle and excellent performance, it provides strong support for the development of modern industry.

[0003] The existing planetary reduction gearbox rotates and reduces speed through the sun gear and the planetary gears when in use. However, the internal gears of the existing planetary reduction gearbox are not convenient to replace after the assembly is completed, so that it can only rotate with a specific reduction ratio when in use. It is very troublesome for users to replace different planetary reduction gearboxes when different reduction ratios are required. At the same time, the existing planetary reduction gearbox generally has only one output end, so it is very troublesome to replace the planetary reduction gearbox when a different rotation direction is required.

[0004] Therefore, the utility model provides an adjustable planetary reduction box to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and an adjustable planetary reduction box is proposed. The clamping joint arranged on the lower end surface of the rotating shaft can be clamped with the second sun gear or the first placement rack. The multiple fixing holes opened on one side of the rotating shaft can change their own positions when in use. The connecting column on the lower end surface of the second placement rack is connected to the rotating gear. The rotation of the second placement rack causes the rotating gear to rotate, and the rotating gear is meshed and connected with the transmission gear. The rotation of the rotating gear causes the transmission gear to rotate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable planetary reduction box, comprising a protective cylinder, the upper end surface of the protective cylinder is threadedly connected with an input end cover, the upper end surface of the input end cover is rotatably provided with an input shaft, the upper end surface of the input shaft is slidably provided with a speed change module, the inner bottom surface of the protective cylinder is clamped with a reduction module, the lower end surface of the protective cylinder is fixedly provided with a connecting cylinder, the lower end surface of the connecting cylinder is fixedly provided with a placement box, two transmission gears are rotatably provided on both sides of the inner bottom surface of the placement box, and the lower ends of the two transmission gears are fixedly provided with an output shaft;

[0007] The deceleration module includes a first placement frame, a second sun gear is rotatably arranged on the upper end surface of the first placement frame, a first bearing is fixedly arranged on the upper end surface of the second sun gear, the first sun gear is fixedly arranged on the lower end surface of the first placement frame, and the second placement frame is rotatably arranged on the lower end surface of the first sun gear, and the speed change module includes a rotating shaft;

[0008] Through the above technical scheme, an input end cover is provided on the upper end face of the protective cylinder, and the input end cover can squeeze the reduction module arranged inside the protective cylinder, so that the reduction module can remain stable inside the protective cylinder, an input shaft is provided on the upper end face of the input end cover, and a speed change module is provided on the upper end face of the input shaft, and the speed change module can change the rotation speed of the equipment, and a reduction module is provided inside the protective cylinder, and the reduction module can play a role of reduction, a connecting cylinder is fixed on the lower end face of the protective cylinder, and a placement box is fixed on the lower end of the connecting cylinder, and two transmission gears are arranged inside the placement box, and the transmission gears and the output shaft are fixed so that the equipment has two output shafts, and the reduction module has a first placement frame, and the first placement frame can make the second sun gear rotate on the upper end face, and the second sun gear can be clamped with the speed change module, so that the speed change module can drive the second sun gear to rotate, and a first bearing is provided on the upper end of the second sun gear, which can make the second sun gear rotate more stably, and the first sun gear is fixed on the lower end of the first placement frame and can rotate on the upper end of the second placement frame, and the main structure of the speed change module has a rotating shaft.

[0009] Furthermore, the upper end surface of the protection tube is provided with placement holes at four corners, and the upper end surface of the input end cover is provided with four fixing screws through threaded sleeves at four corners;

[0010] Through the above technical solution, placement holes are opened at the four corners of the upper end surface of the protection tube to facilitate the installation of fixing screws when connecting with the input end cover.

[0011] Furthermore, the upper end surface of the first bearing is rotatably provided with a support enclosure, and the upper end surface of the first bearing is provided with a card interface;

[0012] Through the above technical solution, the upper end surface of the first bearing is provided with a support surround to make the second sun gear more stable when rotating, and the card interface opened at the upper end of the first bearing facilitates the speed change module to enter the lower end of the first bearing.

[0013] Furthermore, the upper end surfaces of the second placement rack and the first placement rack are both rotatably provided with four planetary gears, and the lower end surface of the second placement rack is rotatably provided with a second bearing;

[0014] Through the above technical solution, the second placement rack and the first placement rack are rotatably provided with planetary gears, the sun gear can make the planetary gears rotate, and the rotation of the planetary gears can make the first placement rack and the second placement rack rotate.

[0015] Furthermore, a clamping joint is fixedly provided on the lower end surface of the rotating shaft, and a plurality of fixing holes are opened on one side of the rotating shaft;

[0016] Through the above technical solution, the clamping joint arranged on the lower end surface of the rotating shaft can be clamped with the second sun gear or the first placement frame, and the multiple fixing holes opened on one side of the rotating shaft can change their positions when in use.

[0017] Furthermore, a connecting column is fixedly provided on the lower end surface of the second placement rack, and a rotating gear is fixedly provided on the lower end surface of the connecting column;

[0018] Through the above technical solution, the connecting column on the lower end surface of the second placement rack is connected to the rotating gear, the second placement rack rotates to rotate the rotating gear, the rotating gear is meshed and connected with the transmission gear, and the rotating gear rotates to rotate the transmission gear.

[0019] Furthermore, a threaded sleeve on one side of the input shaft is provided with a threaded disk;

[0020] Through the above technical solution, the speed change module can slide inside the input shaft, and when the input shaft slides to a suitable position, the position of the speed change module can be fixed by the threaded disk.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes an adjustable planetary reduction box. When in use, a reduction module is arranged inside the protective tube. The reduction module can play a role of reduction. The reduction module has a first placement frame. The first placement frame can make the second sun gear rotate on the upper end surface. The second sun gear can be clamped with the speed change module, so that the speed change module can drive the second sun gear to rotate. When the rotation speed of the reduction module needs to be changed, the speed change module can be moved downward to clamp the speed change module with the first placement frame, so that the first placement frame drives the first sun gear to rotate, thereby changing the rotation speed of the reduction box.

[0023] 2. The utility model proposes an adjustable planetary reduction box, in which a connecting cylinder is fixed on the lower end surface of the protection cylinder, a placement box is fixed on the lower end of the connecting cylinder, two transmission gears are arranged inside the placement box, and the transmission gears are fixed to the output shaft so that the equipment has two output shafts, and the two output shafts rotate in different directions, so that the staff can connect one of the two output shafts as needed when using it, so that there is no need to replace the reducer when it is necessary to replace a reducer with a different rotation direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main visual axis side of the utility model;

[0025] Figure 2It is a side view axial schematic diagram of the utility model;

[0026] Figure 3 It is an axial schematic diagram of the protective tube part structure of the utility model;

[0027] Figure 4 It is a schematic diagram of the main visual axis side of the deceleration module part structure of the utility model;

[0028] Figure 5 It is a schematic diagram of the lower axial view of the deceleration module part structure of the utility model.

[0029] Legend:

[0030] 1. Protective tube; 2. Placement box; 3. Fixing screws; 4. Input end cover; 5. Input shaft; 6. Reduction module; 7. Placement hole; 8. Speed ​​change module; 9. Connecting tube; 10. Transmission gear; 11. Output shaft; 12. Threaded disk; 601. First placement rack; 602. First sun gear; 603. Second placement rack; 604. Second sun gear; 605. Planetary gear; 606. First bearing; 607. Support surround; 608. Card interface; 609. Second bearing; 610. Connecting column; 611. Rotating gear; 801. Rotating shaft; 802. Card joint; 803. Fixing hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-5 The utility model provides an embodiment: an adjustable planetary reduction box, including a protection cylinder 1, the upper end surface of the protection cylinder 1 is threadedly connected with an input end cover 4, the upper end surface of the input end cover 4 is rotatably provided with an input shaft 5, the upper end surface of the input shaft 5 is slidably provided with a speed change module 8, the inner bottom surface of the protection cylinder 1 is clamped with a reduction module 6, the lower end surface of the protection cylinder 1 is fixedly provided with a connecting cylinder 9, the lower end surface of the connecting cylinder 9 is fixedly provided with a placement box 2, the inner bottom surface of the placement box 2 is rotatably provided with two transmission gears 10 on both sides, and the lower ends of the two transmission gears 10 are fixedly provided with an output shaft 11;

[0033] The reduction module 6 includes a first placement rack 601, a second sun gear 604 is rotatably arranged on the upper end surface of the first placement rack 601, a first bearing 606 is fixedly arranged on the upper end surface of the second sun gear 604, a first sun gear 602 is fixedly arranged on the lower end surface of the first placement rack 601, and a second placement rack 603 is rotatably arranged on the lower end surface of the first sun gear 602. The speed change module 8 includes a rotating shaft 801, a clamping joint 802 is fixedly arranged on the lower end surface of the rotating shaft 801, and a plurality of fixing holes 803 are opened on one side of the rotating shaft 801.

[0034] When in use, the upper end of the protective cylinder 1 is connected to the input end cover 4 through the fixing screw 3, and the input end cover 4 can squeeze and fix the reduction module 6 arranged inside the protective cylinder 1. The upper end surface of the input end cover 4 is provided with an input shaft 5, and the upper end surface of the input shaft 5 is provided with a speed change module 8. The speed change module 8 has a rotating shaft 801, and a clamping joint 802 is fixed at the lower end of the rotating shaft 801. The clamping joint 802 can be clamped with the internal structure of the reduction module 6. The rotating shaft 801 is provided with a fixing hole 803, and the speed change module 8 and the input shaft 5 can be threadedly fixed after the rotating shaft 801 changes its position. Moving the speed change module 8 can change the rotation speed of the equipment. The reduction module 6 is provided inside the protective cylinder 1, and the reduction module 6 can play a role of deceleration. A connecting tube 9 is fixed to the lower end face of the casing 1, and a placement box 2 is fixed to the lower end of the connecting tube 9. Two transmission gears 10 are arranged inside the placement box 2. The transmission gears 10 and the output shaft 11 are fixed so that the equipment has two output points. The reduction module 6 has a first placement rack 601. The first placement rack 601 can make the second sun gear 604 rotate on the upper end face. The second sun gear 604 can be clamped with the speed change module 8 so that the speed change module 8 can drive the second sun gear 604 to rotate. The first bearing 606 at the upper end of the second sun gear 604 can make the second sun gear 604 rotate more stably. The first sun gear 602 is fixed to the lower end of the first placement rack 601 so that the first sun gear 602 can rotate on the upper end of the second placement rack 603.

[0035] Reference Figure 2 The protective tube 1 has four placement holes 7 at the four corners of the upper end surface, the input end cover 4 has four fixing screws 3 on the four corners of the upper end surface, and the input shaft 5 has a threaded sleeve with a threaded disk 12 on one side.

[0036] When in use, the placement hole 7 opened in the protective tube 1 can be connected to the fixing screw 3 connected to the input end cover 4, so that the fixing screw 3 can fix the input end cover 4 to the upper end of the protective tube 1, and the threaded disk 12 sleeved on one side of the input shaft 5 can be connected to the fixing hole 803, so that the input shaft 5 and the speed change module 8 are fixed.

[0037] Reference Figure 4-5A support surround 607 is rotatably provided on the upper end surface of the first bearing 606, a card interface 608 is provided on the upper end surface of the first bearing 606, four planetary gears 605 are rotatably provided on the upper end surfaces of the second placement rack 603 and the first placement rack 601, a second bearing 609 is rotatably provided on the lower end surface of the second placement rack 603, a connecting column 610 is fixedly provided on the lower end surface of the second placement rack 603, and a rotating gear 611 is fixedly provided on the lower end surface of the connecting column 610.

[0038] When in use, there is a support surround 607 on the upper end of the first bearing 606. The support surround 607 can make the second sun gear 604 more stable when rotating. The card interface 608 opened on the upper end of the first bearing 606 facilitates the speed change module 8 to enter the lower end of the first bearing 606. The second placement rack 603 and the first placement rack 601 are rotatably provided with planetary gears 605. The sun gear can make the planetary gear 605 rotate. The rotation of the planetary gear 605 can make the first placement rack 601 and the second placement rack 603 rotate. The connecting column 610 on the lower end face of the second placement rack 603 is connected to the rotating gear 611. The rotation of the second placement rack 603 causes the rotating gear 611 to rotate. The rotating gear 611 is meshed and connected with the transmission gear 10. The rotation of the rotating gear 611 causes the transmission gear 10 to rotate.

[0039] Working principle: A deceleration module 6 is arranged inside the protective tube 1, and the deceleration module 6 can play a role in deceleration. A connecting tube 9 is fixed to the lower end surface of the protective tube 1, and a placement box 2 is fixed to the lower end of the connecting tube 9. Two transmission gears 10 are arranged inside the placement box 2. The transmission gears 10 and the output shaft 11 are fixed so that the device has two output points. The placement hole 7 opened in the protective tube 1 can be connected to the fixing screw 3 connected to the input end cover 4, so that the fixing screw 3 can fix the input end cover 4 to the upper end of the protective tube 1, and the input end cover 4 can squeeze and fix the deceleration module 6 arranged inside the protective tube 1.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable planetary reduction gearbox, comprising a protective cylinder (1), characterized in that: The upper end surface of the protection tube (1) is threadedly connected with an input end cover (4), the upper end surface of the input end cover (4) is rotatably provided with an input shaft (5), the upper end surface of the input shaft (5) is slidably provided with a speed change module (8), the inner bottom surface of the protection tube (1) is provided with a speed reduction module (6) in a clamping manner, the lower end surface of the protection tube (1) is fixedly provided with a connecting tube (9), the lower end surface of the connecting tube (9) is fixedly provided with a placement box (2), two transmission gears (10) are rotatably provided on both sides of the inner bottom surface of the placement box (2), and the lower ends of the two transmission gears (10) are fixedly provided with output shafts (11); The deceleration module (6) includes a first placement frame (601), a second sun gear (604) is rotatably arranged on the upper end surface of the first placement frame (601), a first bearing (606) is fixedly arranged on the upper end surface of the second sun gear (604), a first sun gear (602) is fixedly arranged on the lower end surface of the first placement frame (601), and a second placement frame (603) is rotatably arranged on the lower end surface of the first sun gear (602), and the speed change module (8) includes a rotating shaft (801).

2. An adjustable planetary reduction gearbox according to claim 1, characterized in that: The protective tube (1) has placement holes (7) at four corners of its upper end surface, and the input end cover (4) has four fixing screws (3) threadedly sleeved at four corners of its upper end surface.

3. The adjustable planetary reduction gearbox according to claim 1, characterized in that: The upper end surface of the first bearing (606) is rotatably provided with a support enclosure (607), and the upper end surface of the first bearing (606) is provided with a card interface (608).

4. The adjustable planetary reduction gearbox according to claim 1, characterized in that: Four planetary gears (605) are rotatably provided on the upper end surfaces of the second placement rack (603) and the first placement rack (601), and a second bearing (609) is rotatably provided on the lower end surface of the second placement rack (603).

5. The adjustable planetary reduction gearbox according to claim 1, characterized in that: A clamping joint (802) is fixedly provided on the lower end surface of the rotating shaft (801), and a plurality of fixing holes (803) are opened on one side of the rotating shaft (801).

6. The adjustable planetary reduction gearbox according to claim 1, characterized in that: A connecting column (610) is fixedly disposed on the lower end surface of the second placement rack (603), and a rotating gear (611) is fixedly disposed on the lower end surface of the connecting column (610).

7. The adjustable planetary reduction gearbox according to claim 1, characterized in that: A threaded sleeve (12) is provided on one side of the input shaft (5).

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