Connecting device for connecting speed reducer with input shaft

Abstract

The utility model relates to the technical field of transmission connection equipment, and provides a connecting device for connecting a speed reducer with an input shaft, which is used for transmitting power output by a power source to the speed reducer and comprises a coupling main body, a coupling part and an adjusting block, the coupling part is arranged on the coupling main body, the coupling part is provided with a main groove and a plurality of side grooves which are communicated with each other, the side grooves are circumferentially distributed around the main groove, and the main groove is used for bearing an input shaft of the speed reducer; the multiple adjusting blocks are slidably arranged in the multiple side grooves in a one-to-one correspondence mode, and the adjusting blocks are configured to be capable of abutting against the peripheral wall of the shaft end of the input shaft of the speed reducer after sliding so that transmission connection between the coupling part and the input shaft of the speed reducer can be achieved. By means of the technical scheme, the problems that when the size and model of a transmission shaft piece with the shaft end cross section being hexagonal in the prior art are changed, an intermediate coupler needs to be changed synchronously, and universality is poor are solved. The application range of the connecting device is widened.

Description

Technical Field

[0001] The embodiments of this utility model relate to the field of transmission connection equipment technology, specifically, to a speed reducer input shaft connection device. Background Technology

[0002] A speed reducer is an independent component consisting of gear drives, worm drives, or gear-worm drives enclosed in a rigid housing. It is commonly used as a speed reduction transmission device between a prime mover and a driven machine. It plays a role in matching speeds and transmitting torque between the prime mover and the driven machine or actuator.

[0003] The input shaft of a speed reducer and the output shaft of the prime mover, or other shafts / rods / sleeves used for power transmission, can all be called transmission shafts. The cross-sectional shape of transmission shaft ends also varies, such as circular, polygonal, and irregular shapes; among them, the regular hexagonal shape is the most widely used. Taking a transmission shaft with a hexagonal cross-section as an example, two transmission shafts can be connected by a bushing (also called an intermediate coupling). Considering the various sizes and models of transmission shafts, there must also be various models of bushings. If the model of one of the transmission shafts changes, the bushing must also change accordingly. Multiple bushings of different models need to be kept on-site as spares, resulting in poor versatility. Therefore, existing technology needs to be improved and optimized. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this utility model provide a reducer input shaft connection device, which solves the problem that when the size and model of the transmission shaft with a hexagonal cross-section at the shaft end changes, the intermediate coupling needs to be changed synchronously, resulting in poor universality.

[0005] According to one aspect, at least one embodiment of the present invention provides a speed reducer input shaft connection device, comprising:

[0006] Coupling body;

[0007] A coupling part is disposed on the coupling body. The coupling part has a main groove and side grooves that are interconnected. There are several side grooves that are distributed circumferentially around the main groove. The main groove is used to support the input shaft of the reducer.

[0008] The adjusting blocks are arranged in a number that are slidably disposed in a number of the side grooves. The adjusting blocks are configured to slide and abut against the outer peripheral wall of the shaft end of the reducer input shaft to realize the transmission connection between the coupling and the reducer input shaft.

[0009] For example, in a reducer input shaft connection device provided in at least one embodiment of the present invention, a number of sets of side grooves are distributed along the extension direction of the main groove, and each set of side grooves has a number of side grooves distributed in a circular pattern around the main groove, and the side grooves of adjacent sets are staggered.

[0010] For example, in at least one embodiment of the present invention, a speed reducer input shaft connection device is provided, wherein the coupling portion has a through hole communicating with the side groove, and the connection device further includes an adjustment unit, the adjustment unit comprising:

[0011] An adjusting disc is rotatably disposed at the end of the coupling part away from the coupling body, and an adjusting groove is provided on the adjusting disc;

[0012] An adjusting rod passes sequentially through the adjusting slot and the through hole and is connected to the adjusting block. The adjusting rod is slidably connected to both the adjusting slot and the through hole.

[0013] For example, in a speed reducer input shaft connection device provided in at least one embodiment of the present invention, the adjusting disc has an annular rim surrounding the outer peripheral wall of the coupling portion, the annular rim having a plurality of side locking holes distributed at circumferential intervals, and the adjusting unit further includes:

[0014] Several side locking fasteners are provided, each corresponding to one of the side locking holes and abutting against the outer peripheral wall of the coupling.

[0015] For example, in a speed reducer input shaft connection device provided in at least one embodiment of the present invention, the cross-sections of the adjusting groove and the through hole are both elongated, and the sliding directions provided by the adjusting groove and the through hole are set at an angle.

[0016] For example, in a speed reducer input shaft connection device provided in at least one embodiment of the present invention, there are two coupling parts, which are distributed at both ends of the coupling body. One coupling part is used to connect the speed reducer input shaft, and the other coupling part is used to connect the power source. Each coupling part is slidably provided with a plurality of adjusting blocks.

[0017] For example, in at least one embodiment of the present invention, a speed reducer input shaft connection device includes:

[0018] Two first bodies and a connecting rod located between the two first bodies, the two ends of the connecting rod being connected to the two first bodies via universal couplings, and the two couplings being respectively located on opposite sides of the two first bodies.

[0019] For example, in at least one embodiment of the present invention, a speed reducer input shaft connection device includes:

[0020] The first and second rods are slidably connected to each other, with their opposite ends connected to the two universal couplings respectively.

[0021] For example, in a speed reducer input shaft connecting device provided in at least one embodiment of the present invention, the first rod has a sliding groove that is slidably connected to the outer wall of the second rod and a limiting groove that communicates with the sliding groove; the connecting rod further includes:

[0022] A limiting rod passes through and slides in the limiting groove and is connected to the second rod.

[0023] For example, in a speed reducer input shaft connection device provided in at least one embodiment of the present invention, the number of connecting rods is several, and the several connecting rods are distributed in a circle around the central axis of the first body.

[0024] The beneficial effects of the embodiments of this utility model are as follows:

[0025] In this invention, the main groove is parallel to the axis of the reducer input shaft, ensuring the stability and accuracy of power transmission and allowing power to be smoothly transmitted from the coupling body to the reducer input shaft. The side grooves, arranged circumferentially around the main groove, allow multiple adjusting blocks to abut against the reducer input shaft end from different directions, ensuring the connection stability between the coupling and the reducer input shaft. The sliding design of the adjusting blocks within the side grooves allows the device to adapt to reducer input shafts of different sizes and models. When the size of the input shaft changes, only the position of the adjusting blocks within the side grooves needs to be adjusted to achieve a fixed connection with the input shaft, without needing to replace the entire coupling, thus improving the device's versatility. This structural design, through a simple sliding adjustment method, achieves the connection of reducer input shafts of different sizes and models, solving the problem in related technologies where the intermediate coupling needs to be changed synchronously when the size of the transmission shaft with a hexagonal cross-section changes, reducing the equipment's operating costs and maintenance difficulty. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this utility model and these drawings without any creative effort.

[0027] Figure 1This is a schematic diagram of the overall structure in one embodiment of the present invention;

[0028] Figure 2 for Figure 1 A magnified view of a portion at point A in the embodiment;

[0029] Figure 3 for Figure 1 Exploded view of the adjustment unit (with an adjustment block and adjustment rod located outside the coupling) in the embodiment;

[0030] Figure 4 for Figure 1 A schematic diagram of the structure at the connection between the connecting rod and the first main body in the embodiment;

[0031] In the diagram: 1. Coupling body, 11. First body, 12. Connecting rod, 121. First rod, 122. Second rod, 123. Slide groove, 124. Limiting groove, 125. Limiting rod, 13. Universal coupling, 2. Coupling part, 21. Main groove, 22. Side groove, 23. Through hole, 3. Adjusting block, 4. Adjusting unit, 41. Adjusting disc, 411. Adjusting through groove, 42. Adjusting rod, 43. Annular edging, 431. Side locking hole, 44. Side locking fastener, 91. Power source, 92. Reducer. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit its scope.

[0033] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0034] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between 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.

[0035] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to 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.

[0037] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0038] like Figures 1-3 As shown, this invention illustrates a speed reducer input shaft connection device according to one embodiment. The coupling body 1 of the speed reducer input shaft connection device is used to transmit power output from power source 91 to speed reducer 92. It is particularly suitable for speed reducer 92 input shafts with polygonal cross-sections, taking a hexagonal shape as an example. One end of the coupling body 1 is provided with a coupling portion 2, which has a main groove 21 and side grooves 22 that are interconnected. The main groove 21 is a closed hexagon, with its axis coinciding with the axis of the coupling body 1, and is used to support the input shaft of speed reducer 92, and coincides with the axis of the input shaft of speed reducer 92. There are several side grooves 22, distributed circumferentially around the main groove 21, and the extending directions of the main groove 21 and the side grooves 22 are perpendicular to each other.

[0039] Each side groove 22 is slidably fitted with an adjusting block 3. The shape of the adjusting block 3 is adapted to the cross-sectional shape of the side groove 22, allowing it to slide freely within the side groove 22. The adjusting block 3 is configured to abut against the outer peripheral wall of the input shaft end of the reducer 92 after sliding. When the input shaft of the reducer 92 is inserted into the main groove 21, the adjusting block 3 is driven to slide within the side groove 22, causing the inner end face of the adjusting block 3 to make tight contact with the outer peripheral wall of the input shaft end of the reducer 92, thereby achieving a fixed connection between the coupling part 2 and the input shaft of the reducer 92.

[0040] The main groove 21 is parallel to the axis of the input shaft of the reducer 92, ensuring the stability and accuracy of power transmission and allowing power to be smoothly transmitted from the coupling body 1 to the input shaft of the reducer 92. The side grooves 22, arranged in a circular pattern around the main groove 21, allow multiple adjusting blocks 3 to abut against the shaft end of the reducer 92 input shaft from different directions, ensuring the connection stability between the coupling part 2 and the reducer 92 input shaft. The sliding design of the adjusting blocks 3 within the side grooves 22 allows the device to adapt to different sizes and models of reducer 92 input shafts. When the size of the input shaft changes, only the position of the adjusting blocks 3 within the side grooves 22 needs to be adjusted to achieve a fixed connection with the input shaft, without needing to replace the entire coupling part 2, thus improving the device's versatility. This structural design, through a simple sliding adjustment method, achieves the connection of reducer 92 input shafts of different sizes and models, solving the problem in related technologies where the intermediate coupling needs to change synchronously when the size and model of the transmission shaft with a hexagonal cross-section at the shaft end changes, reducing the equipment's operating cost and maintenance difficulty.

[0041] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-3 As shown, the coupling part 2 of the reducer input shaft connection device has several sets of side grooves 22 distributed along the axis of the main groove 21. Each set of side grooves 22 has several side grooves 22 distributed circumferentially around the main groove 21. The individual side grooves 22 in adjacent sets of side grooves 22 are staggered, that is, the individual side grooves 22 in one set of side grooves 22 do not coincide with the individual side grooves 22 in the adjacent set of side grooves 22 in the circumferential direction.

[0042] Each side groove 22 is slidably fitted with an adjusting block 3. The shape of the adjusting block 3 is adapted to the cross-sectional shape of the side groove 22, allowing it to slide freely within the side groove 22. When the input shaft of the reducer 92 is inserted into the main groove 21, each adjusting block 3 is driven to slide within its corresponding side groove 22, causing the inner end face of the adjusting block 3 to make tight contact with the outer peripheral wall of the shaft end of the reducer 92. Due to the staggered distribution of individual side grooves 22 within adjacent sets of side grooves 22, each adjusting block 3 can abut against the input shaft of the reducer 92 at different axial and circumferential positions.

[0043] The multiple sets of side grooves 22 extending along the axis of the main groove 21 increase the number of contact points between the adjusting block 3 and the input shaft of the reducer 92, improving the connection stability and reliability between the coupling 2 and the input shaft. The staggered distribution of individual side grooves 22 within adjacent sets allows the adjusting block 3 to abut against the input shaft at different positions, avoiding stress concentration and more evenly distributing the load during power transmission, reducing the risk of damage to the input shaft due to excessive localized stress. Simultaneously, the structural design of multiple sets of side grooves 22 reduces the risk of interference between the adjusting blocks 3 within the same set of side grooves during sliding.

[0044] This structural design allows the device to better adapt to input shafts of reducers 92 with different lengths and outer diameters, further improving the device's versatility. Through the synergistic effect of multiple sets of staggered side grooves 22 and adjusting blocks 3, the device can effectively reduce sensitivity to input shaft dimensions while ensuring connection stability, solving the problem of poor versatility of couplings in related technologies and improving the equipment's universality and adaptability.

[0045] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-3 As shown, the coupling part 2 of the reducer input shaft connecting device has a through hole 23 communicating with the side groove 22, and the axis of the through hole 23 is consistent with the extension direction of the side groove 22. The adjustment unit 4 includes an adjustment disc 41 and an adjustment rod 42; the adjustment disc 41 is rotatably disposed at the end of the coupling part 2 away from the coupling body 1, and the central axis of the adjustment disc 41 coincides with the axis of the main groove 21. An adjustment through groove 411 is provided on the adjustment disc 41, and the adjustment through groove 411 is distributed in a curved or oblique shape.

[0046] The adjusting rod 42 passes through the adjusting groove 411 and the through hole 23 in sequence and is connected to the adjusting block 3. The adjusting rod 42 is slidably connected to the adjusting groove 411 and the through hole 23 respectively. The sliding direction of the adjusting rod 42 in the adjusting groove 411 is different from the sliding direction in the through hole 23. When the adjusting disc 41 is rotated, the inner wall of the adjusting groove 411 pushes the adjusting rod 42 to slide in the through hole 23, which in turn drives the adjusting block 3 to slide in the side groove 22, so that the adjusting block 3 abuts against the outer peripheral wall of the input shaft end of the reducer 92 or moves away from the input shaft.

[0047] The coordinated design of the adjusting disc 41 and the adjusting rod 42 converts the rotational motion of the adjusting disc 41 into the linear motion of the adjusting blocks 3, achieving synchronous adjustment of multiple adjusting blocks 3, simplifying the operation process and improving adjustment efficiency. The curved or oblique design of the adjusting groove 411 allows the adjusting disc 41 to precisely control the sliding distance of the adjusting blocks 3 during rotation, thereby achieving precise adjustment of the tightness of the connection between the coupling 2 and the input shaft of the reducer 92. This structural design avoids the tedious process of adjusting fixed components one by one in traditional couplings; simply rotating the adjusting disc 41 completes the synchronous adjustment of all adjusting blocks 3, greatly improving the ease of use of the device. The synergistic effect of the adjusting disc 41 and the adjusting rod 42 allows the device to quickly adapt to different sizes and models of reducer 92 input shafts, further enhancing the device's versatility and solving the problems of cumbersome coupling replacement and poor versatility in related technologies.

[0048] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-3As shown, the adjusting disc 41 of the reducer input shaft connecting device has an annular rim 43 surrounding the outer peripheral wall of the coupling part 2, and the annular rim 43 and the adjusting disc 41 are integrally formed. The inner wall of the annular rim 43 slides against the outer peripheral wall of the coupling part 2, allowing the adjusting disc 41 to rotate around the axis of the coupling part 2. Several side locking holes 431, which are threaded holes, are provided on the outer peripheral surface of the annular rim 43.

[0049] The connecting device also includes several side locking fasteners 44, which are bolts or screws. When the adjusting plate 41 is rotated to a predetermined position, so that the adjusting block 3 abuts against the outer peripheral wall of the input shaft of the reducer 92 and reaches a suitable tightness, the side locking fasteners 44 are passed through the side locking holes 431 one by one and tightened until the ends of the side locking fasteners 44 abut against the outer peripheral wall of the coupling part 2, thereby fixing the relative position of the adjusting plate 41 and the coupling part 2.

[0050] The annular edging 43 provides stable rotational support for the adjusting disc 41, ensuring that the adjusting disc 41 maintains coaxiality with the coupling 2 during rotation, thus improving the stability and accuracy of the sliding of the adjusting block 3. The cooperation between the side locking fastener 44 and the side locking hole 431 securely locks the adjusting disc 41 in a predetermined position, preventing it from loosening or rotating during equipment operation, and ensuring a stable and reliable connection between the coupling 2 and the input shaft of the reducer 92. This locking structure allows the device to maintain its adjusted state after adapting to different sizes and models of reducer 92 input shafts, avoiding connection loosening caused by vibration or external forces, and improving the operational stability and reliability of the equipment. Through the synergistic effect of the annular edging 43 and the side locking fastener 44, the device achieves universality while ensuring connection stability and reliability, effectively solving the problem of couplings easily loosening during use in related technologies.

[0051] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-3 As shown, the sliding direction of the adjusting rod 42 in the adjusting groove 411 of the reducer connecting input shaft is set at an angle to the sliding direction in the through hole 23. The adjusting groove 411 on the adjusting plate 41 extends in a curved or oblique shape, so that when the adjusting plate 41 rotates, the direction of the force exerted by the inner wall of the adjusting groove 411 on the adjusting rod 42 forms an angle with the axial direction of the through hole 23.

[0052] When the adjusting disc 41 is rotated, the adjusting groove 411 pushes the adjusting rod 42 to slide in the through hole 23. Since the sliding direction of the adjusting rod 42 in the adjusting groove 411 is at an angle to the sliding direction in the through hole 23, the adjusting rod 42 will generate a component force perpendicular to the axis of the through hole 23 during the sliding process. This component force makes the adjusting block 3 more tightly abut against the outer peripheral wall of the shaft end of the input shaft of the reducer 92.

[0053] The angle between the sliding direction of the adjusting rod 42 within the adjusting groove 411 and the through hole 23 allows the adjusting disc 41 to generate a greater clamping force when rotating, enhancing the friction between the adjusting block 3 and the input shaft of the reducer 92, and improving the connection stability between the coupling 2 and the input shaft. This structural design utilizes mechanical principles to convert the rotational motion of the adjusting disc 41 into a radial clamping force of the adjusting block 3 on the input shaft. Compared to directly pushing the adjusting block 3, this more effectively achieves a tight connection between the coupling 2 and the input shaft. The angle also gives the adjustment process a certain self-locking characteristic. When the adjusting disc 41 rotates to the predetermined position, due to the special force direction of the adjusting rod 42, the adjusting block 3 is not easily loosened by vibration or external force, further improving the reliability of the connection. Through this structural design, the device can effectively solve the problem of unstable coupling connections in related technologies while ensuring universality, and is suitable for power transmission needs under various working conditions.

[0054] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-3 As shown, the coupling body 1 of the reducer input shaft connecting device has a coupling part 2 at each end. Each coupling part 2 has a main groove 21 and a side groove 22 that are interconnected. There are several side grooves 22, which are distributed circumferentially around the main groove 21. The extension directions of the main groove 21 and the side grooves 22 are perpendicular to each other. An adjusting block 3 is slidably installed in each side groove 22.

[0055] One of the main slots 21 of the coupling part 2 is used to support the input shaft of the reducer 92, and the other main slot 21 of the coupling part 2 is used to support the output shaft of the power source 91. When the input shaft of the reducer 92 and the output shaft of the power source 91 are respectively inserted into the corresponding main slots 21, the adjusting blocks 3 on each coupling part 2 are driven to slide in the side slots 22, so that the adjusting blocks 3 abut against the outer peripheral wall of the shaft end of the corresponding shaft, thereby realizing the fixed connection between the coupling part 2 and the shaft.

[0056] The symmetrically arranged couplings 2 at both ends enable the device to simultaneously connect the power source 91 and the reducer 92, achieving bidirectional power transmission, simplifying the transmission system structure, and reducing the use of intermediate connecting components. Each coupling 2 is equipped with a sliding adjustment block 3, allowing the device to adapt to different sizes and models of the output shaft of the power source 91 and the input shaft of the reducer 92, improving the device's versatility and adaptability. This symmetrical structural design eliminates the need to distinguish between the input and output ends during installation and use, reducing installation difficulty and operational errors. Through the synergistic effect of the two couplings 2, the device effectively solves the problem of poor universality of couplings in related technologies, making it suitable for connecting various specifications of power sources 91 and reducers 92, improving the interchangeability and compatibility of the equipment.

[0057] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-4 As shown, the coupling body 1 of the reducer input shaft connection device includes two first bodies 11 and a connecting rod 12 located between the two first bodies 11. Coupling portions 2 are respectively provided on opposite sides of the two first bodies 11 for connecting the input shaft of the reducer 92 and the power source 91. Both ends of the connecting rod 12 are connected to the two first bodies 11 via universal couplings 13 to form a transmission connection. The universal couplings 13 can be any existing connection nodes that can achieve universal connection (generally composed of multiple components).

[0058] When there is an angular deviation between the input shaft of the reducer 92 and the output shaft of the power source 91, the two first bodies 11 transmit power through two universal couplings 13 and connecting rods 12 to adapt to the shaft deviation while maintaining power transmission.

[0059] The connecting rod 12 allows the coupling body 1 to accommodate the angular deviation between the input shaft of the reducer 92 and the output shaft of the power source 91, avoiding additional loads and wear caused by shaft misalignment and extending the service life of the equipment. This structural design reduces the accuracy requirements for shaft alignment during installation and use, simplifies the installation and commissioning process, and improves the installation efficiency and ease of use of the equipment. Through the synergistic action of the connecting rod 12, universal coupling 13, first body 11, and coupling part 2, the device effectively solves the problem of poor adaptability of couplings to shaft deviation in related technologies, and is suitable for power transmission needs under various complex working conditions.

[0060] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-4As shown, the connecting rod 12 of the reducer input shaft connection device includes a first rod 121 and a second rod 122 that are slidably connected to each other. The first rod 121 has a groove 123 extending along its length direction. One end of the second rod 122 is inserted into the groove 123 and slides against the inner wall of the groove 123. The opposite ends of the first rod 121 and the second rod 122 are respectively hinged to two universal couplings 13.

[0061] When the relative positions of the two first bodies 11 shift, the first rod 121 and the second rod 122 slide relative to each other in the slide groove 123 to adjust the total length of the connecting rod 12 to adapt to the change in distance between the two first bodies 11.

[0062] The sliding connection structure of the first rod 121 and the second rod 122 allows the connecting rod 12 to adaptively adjust its length, ensuring that the connecting rod 12 maintains an effective connection with the two universal couplings 13 during power transmission between the two first bodies 11, thus avoiding structural damage or power transmission interruption due to distance changes. This telescopic structural design enhances the adaptability of the connecting rod 12 to angle changes, enabling the device to compensate for axial misalignment over a wider range, improving the flexibility and reliability of the equipment. Through the automatic adjustment of the length of the connecting rod 12, the device can reduce internal stress caused by angle changes during operation, reduce energy loss, and improve power transmission efficiency. This structural design, combined with the aforementioned connecting rod 12, further optimizes the device's ability to compensate for axial misalignment, effectively solving the problem of coupling failures during angle changes in related technologies.

[0063] In some examples, the input shaft connection of the reducer 92 is optimized, for example, as... Figures 1-4 As shown, in the connecting rod 12 of the input shaft connecting device of the reducer 92, the first rod 121 has a slide groove 123 that is slidably connected to the outer wall of the second rod 122, and the slide groove 123 extends along the length direction of the first rod 121. The first rod 121 also has a limiting groove 124 that communicates with the slide groove 123, and the length extension direction of the limiting groove 124 is consistent with that of the slide groove 123.

[0064] The limiting rod 125 passes through and slides within the limiting groove 124, and is connected to the second rod 122. When the first rod 121 and the second rod 122 slide relative to each other, the limiting rod 125 slides synchronously within the limiting groove 124, limiting the maximum relative sliding distance between the first rod 121 and the second rod 122.

[0065] The limiting groove 124 and the limiting rod 125 effectively prevent the first rod 121 and the second rod 122 from disengaging during relative sliding, ensuring the integrity and stability of the connecting rod 12 structure. This limiting structure enables the device to reliably transmit power during operation, avoiding equipment failure caused by the detachment of the connecting rod 12 components. By limiting the maximum relative sliding distance of the first rod 121 and the second rod 122, the limiting groove 124 and the limiting rod 125 ensure that the connecting rod 12 operates within its design range, preventing damage to other components due to excessive deformation and extending the service life of the equipment. The cooperation between the limiting groove 124 and the limiting rod 125, in conjunction with the aforementioned structure, allows the connecting rod 12 to maintain structural reliability while adaptively adjusting its length, further optimizing the connecting rod 12's ability to compensate for axial deviation and improving the device's operational stability under complex working conditions.

[0066] In some examples, the input shaft connection of the reducer is optimized, for example, as... Figures 1-4 As shown, the reducer is connected to the input shaft of the reducer via a number of connecting rods 12, which are arranged in a circle around the central axis of the first main body 11. Each connecting rod 12 includes a first rod 121 and a second rod 122 that are slidably connected to each other. The first rod 121 has a groove 123 that is slidably connected to the outer wall of the second rod 122 and a limiting groove 124 that communicates with the groove 123. A limiting rod 125 passes through and is slidably disposed in the limiting groove 124 and is connected to the second rod 122.

[0067] The two ends of several connecting rods 12 are respectively connected to the two first bodies 11 by corresponding universal couplings 13 to form a transmission connection, and work together to adapt to the angular deviation between the input shaft of the reducer 92 and the output shaft of the power source 91.

[0068] The circumferentially distributed design of multiple connecting rods 12 enables the device to simultaneously compensate for axial misalignment in multiple directions, improving its adaptability to complex angular deviations and enhancing the stability of power transmission. Each telescopic connecting rod 12 structure (first rod 121, second rod 122, slide groove 123, limiting groove 124, and limiting rod 125) ensures that each connecting rod 12 can independently adjust its length during angular changes, avoiding structural damage caused by uneven stress. The coordinated work of multiple connecting rods 12 disperses the load during power transmission, reduces the stress on individual connecting rods 12, and extends the service life of the equipment. This structural design, combined with the aforementioned structure, further optimizes the device's performance, enabling it to adapt to different working conditions over a wider range and effectively solving the problem of insufficient adaptability of couplings to complex angular deviations in related technologies.

[0069] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A speed reducer connection input shaft connection device for transmitting power output from a power source (91) to a speed reducer (92), characterized by, include: Coupling body (1); The coupling part (2) is provided on the coupling body (1). The coupling part (2) has a main groove (21) and a side groove (22) that are interconnected. The side groove (22) is a number of them and is distributed in a circle around the main groove (21). The main groove (21) is used to carry the input shaft of the reducer (92). Adjusting blocks (3) are numbered and slidably disposed in several of the side grooves (22). The adjusting blocks (3) are configured to slide and abut against the outer peripheral wall of the shaft end of the input shaft of the reducer (92) to realize the transmission connection between the coupling (2) and the input shaft of the reducer (92).

2. A speed reducer connecting input shaft connecting device according to claim 1, characterized in that, Several sets of side grooves (22) are distributed along the extension direction of the main groove (21). Each set of side grooves (22) has several side grooves (22) distributed in a circular pattern around the main groove (21). The two adjacent sets of side grooves (22) are staggered.

3. A reduction gear input shaft connection arrangement according to claim 1 or 2, characterised in that, The coupling (2) has a through hole (23) communicating with the side groove (22), and the connecting device further includes an adjustment unit (4), the adjustment unit (4) comprising: An adjustment disc (41) is rotatably disposed at the end of the coupling part (2) away from the coupling body (1), and an adjustment groove (411) is provided on the adjustment disc (41). The adjusting rod (42) passes through the adjusting groove (411) and the through hole (23) in sequence and is connected to the adjusting block (3). The adjusting rod (42) is slidably connected to the adjusting groove (411) and the through hole (23).

4. A reduction gear connecting input shaft connecting device according to claim 3, characterised in that, The adjusting disc (41) has an annular rim (43) surrounding the outer peripheral wall of the coupling (2), and the annular rim (43) has a plurality of side locking holes (431) distributed in a circular interval. The adjusting unit (4) further includes: The side locking fasteners (44) are numerous, each passing through the side locking hole (431) and abutting against the outer peripheral wall of the coupling part (2).

5. A speed reducer connecting input shaft connecting device according to claim 3, characterized in that, The cross-sections of the adjustment groove (411) and the through hole (23) are both elongated, and the sliding directions provided by the adjustment groove (411) and the through hole (23) are set at an angle.

6. A reduction gear input shaft coupling device according to claim 1 or 2, wherein There are two coupling parts (2) and they are distributed at both ends of the coupling body (1). One coupling part (2) is used to connect the input shaft of the reducer (92) and the other coupling part (2) is used to connect the power source (91). Several adjustment blocks (3) are slidably arranged on each coupling part (2).

7. A reduction gear connecting input shaft connecting device according to claim 6, characterised in that, The coupling body (1) includes: Two first bodies (11) and a connecting rod (12) located between the two first bodies (11). The two ends of the connecting rod (12) are respectively connected to the two first bodies (11) by means of universal couplings (13). The two coupling parts (2) are respectively located on opposite sides of the two first bodies (11).

8. A reduction gear connecting input shaft connecting device according to claim 7, characterised in that, The link (12) includes: First rod (121) and second rod (122) connected with each other in sliding mode, and the opposite ends of the first rod (121) and the second rod (122) are connected to the two universal shaft couplings (13) respectively.

9. A reduction gear connecting input shaft connecting device according to claim 8, characterised in that, The first rod (121) has a sliding groove (123) connected with the outer wall of the second rod (122) in sliding mode, and has a limiting groove (124) communicated with the sliding groove (123), and the connecting rod (12) further comprises: A limiting rod (125) is arranged in the limiting groove (124) in penetrating and sliding mode, and is connected to the second rod (122).

10. A speed reducer input shaft connecting device according to any one of claims 7 to 9, characterized in that The number of the connecting rods (12) is several, and the several connecting rods (12) are distributed in a circle around the central axis of the first main body (11).

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