Belt drive speed reducer

Abstract

The utility model discloses a belt drive speed reducer, and the front side plate, rear side plate all are provided with the open slide groove, the upper and lower sides of slide groove all are provided with guide rail, and the slide groove is slidably connected with slide, and the upper and lower sides of slide all are provided with guide groove, and guide groove cooperates with guide rail, and the open end of slide groove is provided with the cover plate, is provided with bolt hole on the cover plate and is provided with the tension bolt in bolt hole, the utility model discloses through simple and different pulley belt drive belt, reduces the rotation speed, reaches the purpose of deceleration, can be better applicable to the equipment that the deceleration speed is smaller and the load is smaller, reduces the production cost of equipment and is convenient for the maintenance of later period, and the device still is provided with the slide that can move and is tight to the belt, prolongs the service life of the device, has better applicability and practicality.

Description

Technical Field

[0001] This utility model relates to the field of speed reducer technology, specifically a belt-driven speed reducer. Background Technology

[0002] Gear reducers are commonly used as speed reduction transmission devices between prime movers and driven machines. They play a role in matching speeds and transmitting torque between prime movers and driven machines or actuators, and are widely used in modern machinery.

[0003] Existing gear reducers are generally designed to consist of gear drives, worm drives, or gear-worm drives enclosed in a rigid housing. Due to the high precision requirements of components such as gears, their manufacturing cost is high, as are the subsequent lubrication and maintenance costs. Using such gear reducers for equipment with relatively small reduction speeds and light loads results in a waste of gear reducer performance and increases production costs. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a belt drive reducer to address the shortcomings of the prior art, thereby solving at least one of the above-mentioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A belt drive reducer includes a front side plate and a rear side plate, which are connected by a connecting plate. Both the front and rear side plates are provided with open slide grooves. Guide rails are provided on both the upper and lower sides of the slide grooves. A slide plate is slidably connected within the slide groove. Guide slots are provided on both the upper and lower sides of the slide plate, and the guide slots cooperate with the guide rails. A cover plate is provided at the open end of the slide groove. Bolt holes are provided on the cover plate, and tension bolts are installed in the bolt holes. Threaded holes are provided on the side of the slide plate, and the tension bolts are threaded into the threaded holes on the side of the slide plate. The front panel has an input shaft mounted on its right side via a bearing. A first small pulley is fixedly mounted on the input shaft. The front and rear sliding plates are mounted on a drive shaft via bearings. A first large pulley is fixedly mounted on the drive shaft, and the first large pulley and the first small pulley are correspondingly arranged. The first large pulley and the first small pulley are connected by a first belt drive. A second small pulley is fixedly mounted on the drive shaft. The rear panel has an output shaft mounted on its right side via a bearing. A second large pulley is fixedly mounted on the output shaft, and the second large pulley and the second small pulley are correspondingly arranged. The second large pulley and the second small pulley are connected by a second belt drive.

[0006] Furthermore, the cover plates on the front and rear sides are respectively fixedly connected to the front side plate and the rear side plate by fasteners.

[0007] Furthermore, a keyway is provided at the end of the input shaft.

[0008] Furthermore, a motor mount is provided at the input shaft portion of the front side plate, and the motor mount is provided with several second bolt holes.

[0009] Furthermore, a flange is provided at the end of the output shaft, and a plurality of first bolt holes are provided on the flange.

[0010] Furthermore, the first small pulley, the first large pulley, the second small pulley, and the second large pulley are all synchronous pulleys.

[0011] Furthermore, both the first belt and the second belt are synchronous belts.

[0012] The beneficial effects of this utility model are: This invention uses pulleys of different sizes to drive a belt, thereby reducing the rotational speed and achieving deceleration. It is well-suited for equipment with low deceleration speed and light load, reducing production costs and facilitating later maintenance. The device also features a movable sliding plate to tension the belt, extending its service life. It has good applicability and practicality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the skateboard part of this utility model.

[0016] Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0017] Figure 4 This is a schematic diagram of the rear structure of this utility model.

[0018] The attached diagram lists the components represented by each number as follows: Front side plate 1; Rear side plate 2; Connecting plate 3; Slide groove 4; Guide rail 5; Slide plate 6; Guide groove 7; Cover plate 8; Fastener 9; Tensioning bolt 10; Input shaft 11; Keyway 12; First small pulley 13; Drive shaft 14; First large pulley 15; First belt 16; Second small pulley 17; Output shaft 18; Second large pulley 19; Second belt 20; Flange 21; First bolt hole 22; Motor base 23; Second bolt hole 24. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example 1: See Figures 1 to 4 This is a schematic diagram of the structure of this utility model, including a front side plate 1 and a rear side plate 2, which are connected by a connecting plate 3. Both the front side plate 1 and the rear side plate 2 have open slide grooves 4. Guide rails are provided on the upper and lower sides of the slide grooves 4. A slide plate 6 is slidably connected within the slide grooves 4. Guide grooves 7 are provided on the upper and lower sides of the slide plate 6, cooperating with the guide rails. The slide plate 6 can move left and right within the slide grooves 4. A cover plate 8 is provided at the open end of the slide groove 4. Bolt holes are provided on the cover plate 8, and tension bolts 10 are installed in the bolt holes. Threaded holes are provided on the side of the slide plate 6, and the tension bolts 10 are threadedly connected to the threaded holes on the side of the slide plate 6. The position of the slide plate 6 is adjusted by rotating the tension bolts 10, thereby moving the slide plate 6 to tighten the belt. A bearing is provided on the right side of the front side plate 1. An input shaft 11 is provided, with a first small pulley 13 fixedly mounted on it. A drive shaft 14 is mounted on the front and rear side slides 6 via bearings. A first large pulley 15 is fixedly mounted on the drive shaft 14, corresponding to the first small pulley 13. The first large pulley 15 and the first small pulley 13 are connected by a first belt 16 for initial deceleration. A second small pulley 17 is fixedly mounted on the drive shaft 14. An output shaft 18 is mounted on the right side of the rear side plate 2 via bearings. A second large pulley 19 is fixedly mounted on the output shaft 18, corresponding to the second small pulley 17. The second large pulley 19 and the second small pulley 17 are connected by a second belt 20 for secondary deceleration, and the output is then transmitted via the output shaft 18.

[0026] Specifically, the front and rear side covers 8 are fixedly connected to the front side plate 1 and the rear side plate 2 respectively by fasteners 9, which facilitates the installation and removal of the slide plate 6.

[0027] Specifically, the end of the input shaft 11 is provided with a keyway 12 to facilitate connection with the motor drive.

[0028] Specifically, a motor mount 23 is provided at the input shaft 11 of the front panel 1. The motor mount 23 is provided with several second bolt holes 24 to facilitate the installation of the motor.

[0029] Specifically, the end of the output shaft 18 is provided with a flange 21, and the flange 21 is provided with a number of first bolt holes 22. The flange 21 is connected to the load end for transmission and output power.

[0030] Specifically, the first small pulley 13, the first large pulley 15, the second small pulley 17, and the second large pulley 19 are all synchronous pulleys, and the first belt 16 and the second belt 20 are both synchronous belts. The synchronous belts are equipped with teeth, and the synchronous pulleys are equipped with tooth grooves that cooperate with the teeth on the synchronous belts, which can better transmit power and avoid slippage.

[0031] The working principle of this utility model: The motor is fixed to the motor base 23 by bolts. The main shaft of the motor is connected to the input shaft 11. When power is input, the rotation of the motor drives the first small pulley 13 to rotate. The rotation of the first small pulley 13 drives the first large pulley 15 to rotate through the first belt 16. The diameter of the first small pulley 13 is smaller than the diameter of the first large pulley 15, thus achieving the first deceleration. The first large pulley 15 drives the transmission shaft 14 to rotate. The transmission shaft 14 drives the second small pulley 17 to rotate. The second small pulley 17 drives the second large pulley 19 to rotate through the second belt 20. The diameter of the second small pulley 17 is smaller than the diameter of the second large pulley 19, thus achieving the second deceleration. The second large pulley 19 is connected to the output shaft 18. The flange 21 of the output shaft 18 is connected to the load end for transmission, thus achieving the deceleration of the motor speed. When adjusting the tension of the first belt 16 and the second belt 20, the tensioning bolts 10 on both the front and rear sides are rotated synchronously by wrench to move the slide plate 6 to the left, thereby tightening the belts. Since the wear of the first belt 16 and the second belt 20 is synchronous, their tension can be adjusted together. When the tension of the first belt 16 and the second belt 20 cannot be achieved by moving the slide plate 6, the bearings on the connecting plate 3 and the front side plate 1 are removed and the belts are replaced.

[0032] This invention uses pulleys of different sizes to drive a belt, thereby reducing the rotational speed and achieving deceleration. It is well-suited for equipment with low deceleration speed and light load, reducing production costs and facilitating later maintenance. The device also features a movable slide plate 6 to tension the belt, extending its service life. It has good applicability and practicality.

[0033] The above are merely optional embodiments of this utility model and are not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

[0034] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

Claims

1. A belt-driven reducer, characterized in that: The device includes a front side plate (1) and a rear side plate (2), which are connected by a connecting plate (3). Both the front side plate (1) and the rear side plate (2) are provided with open slide grooves (4). Guide rails are provided on the upper and lower sides of the slide grooves (4). A slide plate (6) is slidably connected in the slide grooves (4). Guide grooves (7) are provided on the upper and lower sides of the slide plate (6). The guide grooves (7) cooperate with the guide rails. A cover plate (8) is provided at the open end of the slide grooves (4). Bolt holes are provided on the cover plate (8) and tension bolts (10) are provided in the bolt holes. Threaded holes are provided on the side of the slide plate (6). The tension bolts (10) are threadedly connected to the threaded holes on the side of the slide plate (6). An input shaft (11) is provided on the right side of the front side plate (1) through a bearing. The input shaft (11) is fixedly provided with a first small pulley (13). The front and rear sliding plates (6) are provided with a transmission shaft (14) through bearings. The transmission shaft (14) is fixedly provided with a first large pulley (15) and the first small pulley (13) are correspondingly provided. The first large pulley (15) and the first small pulley (13) are connected by a first belt (16). The transmission shaft (14) is fixedly provided with a second small pulley (17). The right side of the rear plate (2) is provided with an output shaft (18) through bearings. The output shaft (18) is fixedly provided with a second large pulley (19) and the second small pulley (17) are correspondingly provided. The second large pulley (19) and the second small pulley (17) are connected by a second belt (20).

2. The belt-driven reducer according to claim 1, characterized in that: The cover plates (8) on the front and rear sides are fixedly connected to the front side plate (1) and the rear side plate (2) respectively by fasteners (9).

3. The belt-driven reducer according to claim 1, characterized in that: The input shaft (11) has a keyway (12) at its end.

4. The belt-driven reducer according to claim 1, characterized in that: The input shaft (11) of the front side plate (1) is fitted with a motor mount (23), and the motor mount (23) is provided with a number of second bolt holes (24).

5. The belt-driven reducer according to claim 1, characterized in that: The output shaft (18) is provided with a flange (21) at its end, and the flange (21) is provided with a plurality of first bolt holes (22).

6. The belt-driven reducer according to claim 1, characterized in that: The first small pulley (13), the first large pulley (15), the second small pulley (17), and the second large pulley (19) are all synchronous pulleys.

7. The belt-driven reducer according to claim 6, characterized in that: Both the first belt (16) and the second belt (20) are synchronous belts.

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