Linkage spiral bevel gear speed reducer
By designing the oil-collection assembly and guide surface in the arc-tooth bevel gear reducer, the waste problem caused by lubricating oil dripping and splashing is solved, and efficient collection and reuse of lubricating oil is achieved.
Patent Information
- Application Number
- CN202421497141.4
- 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
During the use of arc-tooth bevel gear reducer, some lubricating oil will drip or splash due to gravity or centrifugal force, resulting in waste.
A connected arc-tooth bevel gear reducer is designed, including an oil-collecting assembly and a guide surface. The lubricating oil drips on the guide surface and flows into the oil collecting box with gravity and the inclination direction of the guide surface. The oil collecting box can be taken out from the outside for collection and reuse of lubricating oil.
It effectively reduces the waste of lubricant, facilitates staff to collect dripping lubricant, and can be reused, reducing lubricant costs.
Smart Images
Figure CN222502625U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reducers, in particular to a linked spiral bevel gear reducer. Background Art
[0002] The spiral bevel gear reducer is a relatively precise machine that matches the speed and transmits torque between the prime mover and the working machine or actuator. The purpose of using it is to reduce the speed and increase the torque. It has many types and models, and different types have different uses.
[0003] In order to reduce the friction and wear caused by the contact between two objects, the reducer needs to be lubricated with lubricating oil during use. The lubricating oil needs to be added to the bearing position so that the bearings and gears can be lubricated. In order to minimize the wear, the reducer needs to be fully coated with lubricating oil on the bearings and gears before use. However, during the use of the reducer, some of the lubricating oil will drip under the action of gravity, or splash under the centrifugal force of the rotating gears, causing waste. Utility Model Content
[0004] The utility model provides a linked spiral bevel gear reducer, which can improve the technical problem in the related art that lubricating oil is easily wasted during the use of the reducer.
[0005] The embodiment of the present application provides a linked spiral bevel gear reducer, comprising:
[0006] A housing, a reduction gear, a motor and an oil collecting assembly, wherein the housing is provided with a receiving cavity, the reduction gear is arranged in the housing, an opening is arranged on the housing, and a cover body for closing the opening is arranged on the housing;
[0007] The deceleration device is used to reduce speed and increase output torque;
[0008] The oil collecting assembly includes an oil collecting box, and the bottom wall of the accommodating cavity is provided with a groove to place the oil collecting box. The oil collecting box is arranged on a side close to the opening, and a plurality of guide surfaces are formed between the side walls around the groove and the side walls of the accommodating cavity. The guide surfaces are inclined from top to bottom in a direction close to the oil collecting box, and the oil collecting box is arranged below the guide surfaces.
[0009] The above technical solutions in the embodiments of the present application have at least the following technical effects:
[0010] When the lubricating oil applied on the reduction device drips, the lubricating oil will drip onto the guide surface, and the lubricating oil will flow toward the oil collecting box under the action of gravity and the guide surface until it flows into the oil collecting box. The cover body is opened, and the oil collecting box can be taken out from the opening to collect the lubricating oil in the oil collecting box for next use. Therefore, the setting of the oil collecting box and the guide surface makes it convenient for the staff to collect the dripping lubricating oil, and the oil collecting box can be taken out from the opening to collect the lubricating oil in the oil collecting box for next use, thereby reducing waste.
[0011] A linked spiral bevel gear reducer provided in an embodiment of the present application can facilitate workers to collect dripping lubricating oil through an oil collecting box and a guide surface, and the oil collecting box can be taken out from the opening to collect the lubricating oil in the oil collecting box for next use, thereby reducing waste.
[0012] In some embodiments, the reduction device includes a first bevel gear and a second bevel gear, an output shaft is provided at the output end of the motor, the first bevel gear is provided on the output shaft, the second bevel gear is rotatably provided in the housing, the first bevel gear is meshed with the second bevel gear, and the number of gears of the second bevel gear is greater than the number of gears of the first bevel gear.
[0013] In some embodiments, the reduction gear also includes a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, all of which are rotatably disposed in the housing, the first bevel gear is connected to the second bevel gear via a first fixed shaft, the first bevel gear is vertically meshed with the second bevel gear, the third bevel gear is connected to the second bevel gear via a second fixed shaft, the third bevel gear is meshed with the fourth bevel gear, and the number of gears of the fourth bevel gear is greater than the number of gears of the third bevel gear.
[0014] In some embodiments, a driving shaft is disposed at the central axis of the fourth bevel gear, one end of the driving shaft is rotatably mounted in the housing, and the other end of the driving shaft is sealed and passes through the side wall of the housing.
[0015] In some embodiments, a limiting opening is provided on the driving shaft.
[0016] In some embodiments, the oil collecting assembly also includes a scraper and a box body, a bearing is installed between the drive shaft and the shell, the box body is arranged on the shell, the scraper is arranged on the box body, an oil outlet is opened on the side of the box body close to the bearing, the oil outlet corresponds to the bearing, and an oil gap is arranged between the end of the scraper away from the box body and the fourth bevel gear. 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 creative labor.
[0018] Figure 1 A schematic diagram of the overall structure of a linked spiral bevel gear reducer provided in an embodiment of the present application;
[0019] Figure 2 Figure 1 is the internal structure diagram of the shell;
[0020] Figure 3 A schematic diagram of the three-dimensional structure of the deceleration device provided in an embodiment of the present application.
[0021] Among them, the reference numerals in the figure are:
[0022] 10. Shell; 11. Accommodating chamber; 111. Groove; 112. Guide surface; 12. Opening; 13. Cover; 20. Speed reducer; 21. First helical gear; 22. Second helical gear; 23. First bevel gear; 24. Second bevel gear; 25. Third helical gear; 26. Fourth helical gear; 27. First fixed shaft; 28. Second fixed shaft; 29. Drive shaft; 291. Limiting opening; 30. Motor; 31. Output shaft; 40. Oil collecting assembly; 41. Oil collecting box; 42. Scraper; 43. Box body; 431. Oil outlet. DETAILED DESCRIPTION
[0023] 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.
[0024] 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.
[0025] 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.
[0026] 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.
[0027] 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.
[0028] 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.
[0029] 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.
[0030] The spiral bevel gear reducer is a relatively precise machine that matches the speed and transmits torque between the prime mover and the working machine or actuator. The purpose of using it is to reduce the speed and increase the torque. It has many types and models, and different types have different uses.
[0031] In order to reduce the friction and wear caused by the contact between two objects, the reducer needs to be lubricated with lubricating oil during use. The lubricating oil needs to be added to the bearing position so that the bearings and gears can be lubricated. In order to minimize the wear, the reducer needs to be fully coated with lubricating oil on the bearings and gears before use. However, during the use of the reducer, some of the lubricating oil will drip under the action of gravity, or splash under the centrifugal force of the rotating gears, causing waste.
[0032] Based on this, the technical problem in the related art that lubricating oil is easily wasted during the use of the reducer can be improved, and the embodiments of the present application provide the following solution.
[0033] Please also read Figures 1 to 3 The embodiment of the present application provides a linked spiral bevel gear reducer, comprising:
[0034] A housing 10, a reduction gear 20, a motor 30 and an oil collecting assembly 40, wherein the housing 10 is provided with a receiving chamber 11, the reduction gear 20 is arranged in the housing 10, an opening 12 is arranged on the housing 10, and a cover 13 for closing the opening 12 is arranged on the housing 10;
[0035] The deceleration device 20 is used to reduce speed and increase output torque;
[0036] The oil collecting assembly 40 includes an oil collecting box 41. The bottom wall of the accommodating chamber 11 is provided with a groove 111 to place the oil collecting box 41. The oil collecting box 41 is arranged on a side close to the opening 12. A plurality of guide surfaces 112 are formed between the side walls around the groove 111 and the side walls of the accommodating chamber 11. The guide surfaces 112 are inclined from top to bottom in a direction close to the oil collecting box 41. The oil collecting box 41 is arranged below the guide surfaces 112.
[0037] From the above, it can be seen that in the embodiment of the present application, a linked spiral bevel gear reducer is provided. When the lubricating oil applied on the reduction device 20 drips, the lubricating oil will drip onto the guide surface 112. Under the action of gravity and the guide surface 112, the lubricating oil flows toward the direction close to the oil collecting box 41 until it flows into the oil collecting box 41. The cover body 13 is opened, and the oil collecting box 41 can be taken out from the opening 12 to collect the lubricating oil in the oil collecting box 41 for next use. Therefore, the setting of the oil collecting box 41 and the guide surface 112 makes it convenient for the staff to collect the dripping lubricating oil, and the oil collecting box 41 can be taken out from the opening 12 to collect the lubricating oil in the oil collecting box 41 for next use, thereby reducing waste.
[0038] Optionally, in some embodiments, please read Figures 2 to 3The reduction gear 20 includes a first bevel gear 21 and a second bevel gear 22. An output shaft 31 is provided at the output end of the motor 30. The first bevel gear 21 is provided on the output shaft 31. The second bevel gear 22 is rotatably provided in the housing 10. The first bevel gear 21 is meshed with the second bevel gear 22. The number of gears of the second bevel gear 22 is greater than the number of gears of the first bevel gear 21.
[0039] With such an arrangement, when the motor 30 is started, the output shaft 31 rotates, the first bevel gear 21 rotates, and drives the second bevel gear 22 to rotate, and the rotation speed of the second bevel gear 22 is lower than the rotation speed of the first bevel gear 21, thereby achieving a preliminary deceleration effect. Moreover, the tooth surfaces of the bevel gears are inclined, and compared with spur gears, the tooth surfaces have more contact points during engagement, and the force transmission of the teeth is more uniform, thereby reducing the tooth surface load and tooth surface wear, and improving the transmission efficiency. Therefore, the arrangement of the first bevel gear 21 and the second bevel gear 22 achieves a preliminary deceleration effect and improves the transmission efficiency to a certain extent.
[0040] Optionally, in some embodiments, see Figure 3 The reduction gear 20 also includes a first bevel gear 23, a second bevel gear 24, a third bevel gear 25 and a fourth bevel gear 26 which are all rotatably arranged in the housing 10. The first bevel gear 23 is connected to the second bevel gear 22 through a first fixed shaft 27. The first bevel gear 23 is vertically meshed with the second bevel gear 24. The third bevel gear 25 is connected to the second bevel gear 24 through a second fixed shaft 28. The third bevel gear 25 is meshed with the fourth bevel gear 26. The number of gears of the fourth bevel gear 26 is greater than the number of gears of the third bevel gear 25.
[0041] With such arrangement, when the motor 30 is started, the output shaft 31 rotates, the first bevel gear 21 rotates, and drives the second bevel gear 22 to rotate, the first bevel gear 23 rotates, the second bevel gear 24 rotates vertically, and drives the second bevel gear 24 and the third bevel gear 25 to rotate through the second fixed shaft 28; the meshing surfaces of the bevel gears are two inclined surfaces, so a larger contact area and a smaller meshing sound can be achieved during the transmission process, thereby achieving more precise movement and stronger carrying capacity; the rotation speed of the third bevel gear 25 is less than the rotation speed of the fourth bevel gear 26, achieving a further deceleration effect, therefore, the arrangement of the first bevel gear 23, the second bevel gear 24, the third bevel gear 25 and the fourth bevel gear 26 has the effect of large torque and further speed reduction.
[0042] Optionally, in some embodiments, see Figures 1 to 3A driving shaft 29 is disposed at the central axis of the fourth bevel gear 26 , one end of the driving shaft 29 is rotatably mounted in the housing 10 , and the other end is sealed and passes through the side wall of the housing 10 , and a limiting opening 291 is provided on the driving shaft 29 .
[0043] With such a configuration, when installing an object that needs to be rotated, the object can be set on the drive shaft 29 and limited by the limit opening 291. Therefore, the configuration of the drive shaft 29 makes it convenient for the staff to drive the object to rotate through the drive shaft 29. The configuration of the limit opening 291 is used to limit the object, which reduces the probability of relative sliding between the drive shaft 29 and the object and improves the transmission efficiency.
[0044] Optionally, in some embodiments, see Figure 2 The oil collecting assembly 40 also includes a scraper 42 and a box body 43. A bearing is installed between the drive shaft 29 and the housing 10. The box body 43 is arranged on the housing 10. The oil scraper is arranged on the box body 43. An oil outlet 431 is opened on the side of the box body 43 close to the bearing. The oil outlet 431 corresponds to the bearing. An oil gap is set between the end of the oil scraper away from the box body 43 and the fourth bevel gear 26.
[0045] With such arrangement, during the startup of the reduction gear, the fourth bevel gear 26 rotates, and the scraper plate scrapes off a portion of the lubricating oil on the fourth bevel gear 26, and the scraped lubricating oil flows into the groove body, and the lubricating oil in the groove body enters the bearing through the oil outlet hole, thereby lubricating the bearing. A small amount of lubricating oil is added to the housing 10, thereby reducing the lubrication cost, and the setting of the oil gap is used to reduce the probability of relative friction between the fourth bevel gear 26 and the scraper plate.
[0046] 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 linked spiral bevel gear reducer, characterized in that: The invention comprises a housing (10), a reduction gear (20), a motor (30) and an oil collecting assembly (40); the housing (10) is provided with a receiving chamber (11); the reduction gear (20) is arranged in the housing (10); the housing (10) is provided with an opening (12); and the housing (10) is provided with a cover (13) for closing the opening (12); The speed reduction device (20) is used to reduce speed and increase output torque; The oil collecting assembly (40) comprises an oil collecting box (41); the bottom wall of the accommodating chamber (11) is provided with a groove (111) for placing the oil collecting box (41); the oil collecting box (41) is arranged on a side close to the opening (12); a plurality of guide surfaces (112) are formed between the side walls around the groove (111) and the side walls of the accommodating chamber (11); the guide surfaces (112) are arranged to be inclined from top to bottom in a direction close to the oil collecting box (41); and the oil collecting box (41) is arranged below the guide surfaces (112).
2. The linked spiral bevel gear reducer according to claim 1, characterized in that: The reduction gear (20) comprises a first bevel gear (21) and a second bevel gear (22); an output shaft (31) is provided at the output end of the motor (30); the first bevel gear (21) is provided on the output shaft (31); the second bevel gear (22) is rotatably provided in the housing (10); the first bevel gear (21) is meshed with the second bevel gear (22); the number of gears of the second bevel gear (22) is greater than the number of gears of the first bevel gear (21).
3. The linked spiral bevel gear reducer according to claim 2, characterized in that: The reduction gear (20) further comprises a first bevel gear (23), a second bevel gear (24), a third bevel gear (25) and a fourth bevel gear (26) which are all rotatably arranged in the housing (10); the first bevel gear (23) is connected to the second bevel gear (22) via a first fixed shaft (27); the first bevel gear (23) is vertically meshed with the second bevel gear (24); the third bevel gear (25) is connected to the second bevel gear (24) via a second fixed shaft (28); the third bevel gear (25) is meshed with the fourth bevel gear (26); the number of gears of the fourth bevel gear (26) is greater than the number of gears of the third bevel gear (25).
4. The linked spiral bevel gear reducer according to claim 3, characterized in that: A driving shaft (29) is arranged at the central axis of the fourth bevel gear (26); one end of the driving shaft (29) is rotatably mounted in the housing (10), and the other end of the driving shaft (29) is sealed and passes through the side wall of the housing (10).
5. The linked spiral bevel gear reducer according to claim 4, characterized in that: The driving shaft (29) is provided with a limiting opening (291).
6. The linked spiral bevel gear reducer according to claim 4, characterized in that: The oil collecting assembly (40) further comprises a scraper (42) and a box body (43); a bearing is installed between the drive shaft (29) and the housing (10); the box body (43) is arranged on the housing (10); the oil scraper is arranged on the box body (43); an oil outlet (431) is provided on a side of the box body (43) close to the bearing; the oil outlet (431) corresponds to the bearing; and an oil gap is provided between an end of the oil scraper away from the box body (43) and the fourth bevel gear (26).