Efficient and energy-saving hardened tooth surface speed reducer
By setting up a slidably mounted second spur gear and internal gear in the reducer, the problem that existing reducers are difficult to adapt to the motor output shafts of different lengths is solved, and more flexible and efficient installation and transmission connection are achieved.
Patent Information
- Application Number
- CN202421497140.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Existing reducers are difficult to adapt to motor output shafts of different lengths, resulting in inconvenient installation and mismatch problems.
A high-efficiency energy-saving hard tooth surface reducer is designed. By providing a casing, an internal gear, a first spur gear and a second spur gear in the reduction device, the second spur gear can be slidably installed in the internal gear and pass through the internal gear. , the first spur gear is driven to the input shaft to realize the adaptation of output shafts of different lengths.
It realizes that the reducer can be installed and driven when facing output shafts of different lengths, solves the existing reducer adaptation problem and improves the flexibility and efficiency of installation.
Smart Images
Figure CN222502595U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reducers, in particular to a high-efficiency and energy-saving hard-tooth surface reducer. Background Art
[0002] A reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.
[0003] However, the existing reducers have the following shortcomings: since the lengths of the assembled motor output shafts are different, the depth of the connecting socket is fixed after the reducer input shaft is produced, and the reducer input shaft is installed in the housing by means of bearings, etc., the reducer input shaft cannot be adjusted forward and backward along the axial direction. Therefore, when a motor with a longer motor output shaft is installed with a reducer, the motor may not be able to contact the flange cover for installation when the motor output shaft is fully inserted into the connecting socket; when a motor with a shorter motor output shaft is installed with a reducer, the motor output shaft may not be inserted into the connecting socket after the motor is contacted with the flange cover for installation, making the two unable to be adapted for use. Utility Model Content
[0004] The utility model provides a high-efficiency and energy-saving hard-tooth surface reducer, which can improve the technical problem in the related art that the existing reducer is difficult to adapt to motor output shafts of different lengths.
[0005] The embodiment of the present application provides a high-efficiency and energy-saving hardened gear reducer, comprising:
[0006] A housing, a reduction gear, a connecting assembly and a motor, wherein the reduction gear comprises an input shaft arranged on one side of the housing, an output shaft is installed at the output end of the motor, and the input shaft and the output shaft are connected by a connecting assembly;
[0007] The deceleration device is used to reduce speed and increase output torque;
[0008] The connecting component includes an outer shell, an inner gear, a first spur gear and a second spur gear. The two ends of the outer shell are respectively connected to the motor and the shell through flange components. The inner gear is rotatably installed in the shell. The first spur gear is arranged on the input shaft, and the second spur gear is arranged on the output shaft through the installation component. The inner gear is provided with an internal tooth groove to slide the first spur gear and the second spur gear. The first spur gear and the second spur gear are both meshed with the inner gear.
[0009] The above technical solutions in the embodiments of the present application have at least the following technical effects:
[0010] When installing the motor, take the outer shell, align the inner tooth groove with the first spur gear, slide the first spur gear on the inner gear, install the outer shell on the housing, take the motor, align the second spur gear with the inner tooth groove, slide the second spur gear on the inner gear, connect the motor to the housing, and complete the installation; therefore, the arrangement of the outer shell, the inner gear, the first spur gear and the second spur gear allows the reducer to install the second spur gear at the output shaft when facing output shafts of different lengths, so that it can be slidably installed in the inner gear, and the output shaft can be connected to the input shaft through the inner gear and the first spur gear to complete the installation.
[0011] An efficient and energy-saving hard-tooth surface reducer provided in an embodiment of the present application can enable the reducer to install a second spur gear at the output shaft when facing output shafts of different lengths, so that it can be slidably installed in the internal gear, and the output shaft can be connected to the input shaft through the internal gear and the first spur gear to complete the installation.
[0012] In some embodiments, the mounting assembly includes a screw and a threaded sleeve, the screw is disposed on the second spur gear, the threaded sleeve is disposed on the output shaft by threaded rotation, and the threaded sleeve is connected to the screw by threaded rotation.
[0013] In some embodiments, the second spur gear and the screw rod are both provided with grooves, the grooves are provided with a plurality of limiting openings, and a plurality of limiting strips are provided on the side wall of the output end of the output shaft.
[0014] In some embodiments, the reduction device also includes a first bevel gear, a second bevel gear, a worm and a worm wheel, all of which are rotatably arranged in the housing, the first bevel gear is arranged on the input shaft, the second bevel gear is meshed with the first bevel gear, the worm is arranged on the second bevel gear, and the worm is meshed with the worm wheel.
[0015] In some embodiments, the number of teeth of the second helical gear is greater than the number of teeth of the first helical gear.
[0016] In some embodiments, the flange assembly includes a first flange, a second flange and multiple third flanges, the first flange is set on the shell, the third flange is set on the motor, the second flange is set on both sides of the shell, and the second flanges on both sides of the shell are respectively fixedly connected to the first flange and the third flange by bolts. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0018] Figure 1 A schematic diagram of the three-dimensional structure of a high-efficiency and energy-saving hard-toothed reducer provided in an embodiment of the present application;
[0019] Figure 2 It is the internal structure diagram of the shell and the outer shell;
[0020] Figure 3 Exploded view of the installation assembly;
[0021] Figure 4 A schematic diagram of the three-dimensional structure of the internal gear provided in an embodiment of the present application.
[0022] Among them, the reference numerals in the figure are:
[0023] 10. Housing; 20. Speed reduction device; 21. Input shaft; 22. First bevel gear; 23. Second bevel gear; 24. Worm; 25. Worm wheel; 30. Connecting assembly; 31. Housing; 32. Internal gear; 321. Internal tooth groove; 33. First spur gear; 34. Second spur gear; 40. Motor; 41. Output shaft; 50. Flange assembly; 51. First flange; 52. Second flange; 53. Third flange; 60. Mounting assembly; 61. Screw; 62. Threaded sleeve; 63. Groove; 631. Limit opening; 64. Limit strip. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.
[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0027] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0029] In this application, "and / or" is only a description of the association relationship of associated objects, indicating that there can be three relationships; for example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0030] It should be noted that, in the present application, words such as "in some embodiments", "exemplarily", "for example", etc. are used to indicate examples, illustrations or descriptions. Any embodiment or design described in the present application as "in some embodiments", "exemplarily", "for example" should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "in some embodiments", "exemplarily", "for example", etc. is intended to present related concepts in a concrete way, meaning that specific features, structures or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the above words in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0031] A reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.
[0032] However, the existing reducers have the following shortcomings: since the lengths of the assembled motor output shafts are different, the depth of the connecting socket is fixed after the reducer input shaft is produced, and the reducer input shaft is installed in the housing by means of bearings, etc., the reducer input shaft cannot be adjusted forward and backward along the axial direction. Therefore, when a motor with a longer motor output shaft is installed with a reducer, the motor may not be able to contact the flange cover for installation when the motor output shaft is fully inserted into the connecting socket; when a motor with a shorter motor output shaft is installed with a reducer, the motor output shaft may not be inserted into the connecting socket after the motor is contacted with the flange cover for installation, making the two unable to be adapted for use.
[0033] Based on this, the technical problem in the related art that the existing reducer is difficult to adapt to motor output shafts of different lengths can be improved, and the embodiments of the present application provide the following solution.
[0034] Please also read Figures 1 to 4 The embodiment of the present application provides a high-efficiency and energy-saving hard-tooth surface reducer, including a housing 10, a reduction device 20, a connecting assembly 30 and a motor 40. The reduction device 20 includes an input shaft 21 arranged on one side of the housing 10, and an output shaft 41 is installed at the output end of the motor 40. The input shaft 21 and the output shaft 41 are transmission-connected via the connecting assembly 30. The reduction device 20 is used to reduce speed and increase output torque.
[0035] The connecting assembly 30 includes an outer shell 31, an inner gear 32, a first spur gear 33 and a second spur gear 34. The two ends of the outer shell 31 are respectively connected to the motor 40 and the housing 10 through a flange assembly 50. The inner gear 32 is rotatably installed in the housing 10. The first spur gear 33 is arranged on the input shaft 21. The second spur gear 34 is arranged on the output shaft 41 through an installation assembly 60. The inner gear 32 is provided with an inner tooth groove 321 to slideably install the first spur gear 33 and the second spur gear 34. The first spur gear 33 and the second spur gear 34 are both meshed with the inner gear 32.
[0036] From the above, it can be seen that the embodiment of the present application provides a high-efficiency and energy-saving hard-tooth surface reducer. When installing the motor 40, take the outer shell 31, align the inner tooth groove 321 with the first spur gear 33, and slide the first spur gear 33 onto the inner gear 32. Then, install the outer shell 31 on the housing 10, take the motor 40, align the second spur gear 34 with the inner tooth groove 321, and slide the second spur gear 34 onto the inner gear 32. Then, connect the motor 40 to the housing 10 to complete the installation. Therefore, the arrangement of the outer shell 31, the inner gear 32, the first spur gear 33 and the second spur gear 34 enables the reducer to install the second spur gear 34 on the output shaft 41 when facing output shafts 41 of different lengths, so that it can be slidably installed in the inner gear 32, and the output shaft 41 can be connected to the input shaft 21 through the inner gear 32 and the first spur gear 33 to complete the installation.
[0037] Optionally, in some embodiments, please read Figure 1 to Figure 2 The mounting assembly 60 includes a screw rod 61 and a threaded sleeve 62. The screw rod 61 is disposed on the second spur gear 34. The threaded sleeve 62 is disposed on the output shaft 41 by threaded rotation. The threaded sleeve 62 is connected to the screw rod 61 by threaded rotation.
[0038] With such arrangement, when installing the second spur gear 34, the threaded sleeve 62 is installed on the screw rod 61 by threaded rotation, and the internal threaded portion of the threaded sleeve 62 is arranged on the outside of the screw rod 61, and then the threaded sleeve 62 is connected to the output shaft 41 through the internal thread arranged on the outside of the screw rod 61 for fixing. Therefore, the screw rod 61 and the threaded sleeve 62 enable the staff to simply and conveniently install the second spur gear 34 on the output shaft 41, and when the second spur gear 34 is worn, the second spur gear 34 can also be replaced by rotating the threaded sleeve 62.
[0039] Optionally, in some embodiments, see Figure 3 The second spur gear 34 and the screw rod 61 are both provided with a groove 63 , the groove 63 is provided with a plurality of limiting openings 631 , and the output end side wall of the output shaft 41 is provided with a plurality of limiting strips 64 .
[0040] With such arrangement, when installing the second spur gear 34, the threaded sleeve 62 is installed on the screw rod 61 by thread rotation, and the internal threaded portion on the threaded sleeve 62 is arranged on the outside of the screw rod 61, the groove 63 is aligned with the output shaft 41, the limiting opening 631 is aligned with the limiting strip 64, the second spur gear 34 and the screw rod 61 are slidably installed on the output shaft 41, and the threaded sleeve 62 is rotated to make the threaded sleeve 62 rotationally connected to the output shaft 41 for fixing. Therefore, the groove 63, the limiting opening 631 and the limiting strip 64 enable the second spur gear 34 to rotate with the rotation of the output shaft 41 when the motor 40 is started, thereby improving the transmission efficiency of the second spur gear 34.
[0041] Optionally, in some embodiments, see Figure 1 to Figure 2 The flange assembly 50 includes a first flange 51, multiple second flanges 52 and a third flange 53. The first flange 51 is arranged on the housing 10, the third flange 53 is arranged on the motor 40, and the second flange 52 is arranged on both sides of the housing 31. The second flanges 52 on both sides of the housing 31 are respectively fixedly connected to the first flange 51 and the third flange 53 by bolts.
[0042] With such arrangement, when installing the motor 40, the first spur gear 33 is aligned with the inner tooth groove 321 so as to be slidably installed on the inner gear 32, the first flange 51 is in contact with the second flange 52 on one side of the outer shell 31, and they are connected by bolts, the second spur gear 34 is installed on the output shaft 41 through the mounting assembly 60, and the second spur gear 34 is aligned with the inner tooth groove 321 so as to be slidably installed on the inner gear 32, the third flange 53 is in contact with the second flange 52 on the other side of the outer shell 31, and they are connected by bolts. Therefore, the arrangement of the first flange 51, multiple second flanges 52 and the third flange 53 has the advantages of easy installation, good sealing and detachability.
[0043] Optionally, in some embodiments, see Figure 2 The reduction gear 20 also includes a first bevel gear 22, a second bevel gear 23, a worm 24 and a worm wheel 25 which are all rotatably arranged in the housing 10. The first bevel gear 22 is arranged on the input shaft 21, the second bevel gear 23 is meshed with the first bevel gear 22, the worm 24 is arranged on the second bevel gear 23, and the worm 24 is meshed with the worm wheel 25.
[0044] With such arrangement, after the motor 40 is installed, when the motor 40 is started, the output shaft 41 drives the second spur gear 34 to rotate, and is transmitted to the input shaft 21 through the internal gear 32 and the first spur gear 33, and the first bevel gear 22 drives the second bevel gear 23 to rotate, and drives the worm 24 and the worm wheel 25; the tooth surface of the bevel gear is beveled, and compared with the spur gear, the tooth surface contact points of the bevel gear when the bevel gear is engaged are more, and the force transmission of the teeth is more uniform, thereby reducing the tooth surface load and tooth surface wear, improving the transmission efficiency, and having good meshing performance; the transmission efficiency of the worm wheel 25 and the worm 24 is extremely high, and can be used to convert the rotating power source into a low-speed and high-torque output. Therefore, the arrangement of the first bevel gear 22, the second bevel gear 23, the worm 24 and the worm wheel 25 improves the transmission efficiency and has a good subtraction effect.
[0045] Optionally, in some embodiments, see Figure 2 , the number of teeth of the second bevel gear 23 is greater than the number of teeth of the first bevel gear 22.
[0046] With such arrangement, after the motor 40 is started, when the output shaft 41 drives the input shaft 21 to rotate through the connecting assembly 30, the first bevel gear 22 rotates and drives the second bevel gear 23 to rotate. The number of teeth of the second bevel gear 23 is greater than the number of teeth of the first bevel gear 22, and the rotation speed of the second bevel gear 23 is less than the rotation speed of the first bevel gear 22, which has a deceleration effect.
[0047] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A high-efficiency and energy-saving hardened gear reducer, characterized in that: The invention comprises a housing (10), a reduction gear (20), a connecting assembly (30) and a motor (40), wherein the reduction gear (20) comprises an input shaft (21) arranged on one side of the housing (10), an output shaft (41) is installed at the output end of the motor (40), and the input shaft (21) and the output shaft (41) are transmission-connected via the connecting assembly (30); The speed reduction device (20) is used to reduce speed and increase output torque; The connecting assembly (30) comprises an outer shell (31), an inner gear (32), a first spur gear (33) and a second spur gear (34); two ends of the outer shell (31) are respectively connected to the motor (40) and the shell (10) through flange assemblies (50); the inner gear (32) is rotatably mounted in the shell (10); the first spur gear (33) is arranged on the input shaft (21); the second spur gear (34) is arranged on the output shaft (41) through an installation assembly (60); the inner gear (32) is provided with an inner tooth groove (321) to slideably mount the first spur gear (33) and the second spur gear (34); the first spur gear (33) and the second spur gear (34) are both meshed with the inner gear (32).
2. The high-efficiency and energy-saving hardened gear reducer according to claim 1, characterized in that: The mounting assembly (60) comprises a screw rod (61) and a threaded sleeve (62), wherein the screw rod (61) is arranged on the second spur gear (34), and the threaded sleeve (62) is arranged on the output shaft (41) by threaded rotation, and the threaded sleeve (62) is connected to the screw rod (61) by threaded rotation.
3. The high-efficiency and energy-saving hardened gear reducer according to claim 2, characterized in that: The second spur gear (34) and the screw rod (61) are both provided with a groove (63), the groove (63) is provided with a plurality of limit openings (631), and the output end side wall of the output shaft (41) is provided with a plurality of limit strips (64).
4. A high-efficiency and energy-saving hardened gear reducer according to any one of claims 1 to 3, characterized in that: The reduction gear (20) comprises a first bevel gear (22), a second bevel gear (23), a worm (24) and a worm wheel (25) which are all rotatably arranged in a housing (10); the first bevel gear (22) is arranged on an input shaft (21); the second bevel gear (23) is meshed with the first bevel gear (22); the worm (24) is arranged on the second bevel gear (23); and the worm (24) is meshed with the worm wheel (25).
5. The high-efficiency and energy-saving hardened gear reducer according to claim 4, characterized in that: The number of teeth of the second bevel gear (23) is greater than the number of teeth of the first bevel gear (22).
6. The high-efficiency and energy-saving hardened gear reducer according to claim 1, characterized in that: The flange assembly (50) comprises a first flange (51), a plurality of second flanges (52) and a third flange (53); the first flange (51) is arranged on the housing (10); the third flange (53) is arranged on the motor (40); the second flange (52) is arranged on both sides of the housing (31); and the second flanges (52) on both sides of the housing (31) are respectively fixedly connected to the first flange (51) and the third flange (53) by bolts.