A high torque variable speed spindle housing
Patent Information
- Application Number
- CN202522730657.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-24
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-12-24
AI Technical Summary
[0002]常规的变速箱通常选择电子控制单元来作为切换主轴的动力元件,电子控制单元在输出时,不能够提供高扭力,原因在于电子控制单元是通过控制电流电压等结构来实现转速的改变,不适合用于高扭力运行环境下,同时电子控制单元在驱动时有一定的偏差,无法快速切换,为了解决上述技术问题,需要对主轴箱结构进行改进
[0012]作为对本技术方案的一种补充,所述的从动齿轮轴组件还包括左部端盖和右部端盖,所述的横向轴采用花键轴结构,所述的横向轴的左端和右端分别安装有左部端盖和右部端盖。
Smart Images

Figure CN224836057U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spindle box technology, and in particular to a high-torque variable speed spindle box. Background Technology
[0002] Conventional gearboxes typically use electronic control units (ECUs) as the power element for switching the spindle. However, ECUs cannot provide high torque because they change speed by controlling current and voltage, which is unsuitable for high-torque operating environments. Additionally, ECUs have some deviation during drive and cannot switch quickly. To solve these technical problems, the spindle box structure needs to be improved. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide a high-torque variable speed spindle box with four-speed switching function, which enables the device to increase the output torque of the spindle box under the same power, realize cutting speed change, and improve the switching speed of the spindle box by using the oil cylinder as the switching power.
[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: A high-torque variable speed spindle box is provided, including a housing, an output shaft assembly, and an input shaft assembly. An output shaft assembly that passes laterally through the housing is installed in the upper part of the housing. An input shaft assembly is installed in the lower part of the housing. The left end of the input shaft assembly extends out of the housing and is equipped with a pulley structure. A first-stage driving gear and a second-stage driving gear are installed side-by-side in the middle of the input shaft assembly. A driven gear shaft assembly that links the output shaft assembly and the input shaft assembly is installed in the middle of the housing. The driven gear shaft assembly includes a transverse shaft, a first-stage driven gear, a second-stage driven gear, a third-stage driven gear, and a fourth-stage driven gear. A first hydraulic cylinder lever is laterally slidably installed on the left end of the transverse shaft, and a first hydraulic cylinder lever is slidably installed on the right end of the transverse shaft. A second hydraulic cylinder lever is slidably mounted. A first-stage driven gear and a second-stage driven gear are rotatably mounted on the left and right sides of the first hydraulic cylinder lever, respectively. A third-stage driven gear and a fourth-stage driven gear are rotatably mounted on the right side of the second hydraulic cylinder lever, arranged side by side. The first-stage driven gear is matched with the first-stage driving gear, and the second-stage driven gear is matched with the second-stage driving gear. A first-stage output gear and a second-stage output gear are mounted on the output shaft assembly. The first-stage output gear is matched with the third-stage driven gear, and the second-stage output gear is matched with the fourth-stage driven gear. A first hydraulic cylinder drive assembly for driving the first hydraulic cylinder lever to slide laterally is mounted in the middle of the housing. A second hydraulic cylinder drive assembly for driving the second hydraulic cylinder lever is mounted on the upper side of the first hydraulic cylinder drive assembly.
[0005] In this technical solution, the first and second hydraulic cylinder drive assemblies are installed to provide power for gear switching, enabling rapid gear switching. At the same time, by installing first-stage driven gears, second-stage driven gears, third-stage driven gears, and fourth-stage driven gears, the device can perform four-stage adjustment, increasing the output torque of the spindle box and realizing cutting speed change under the same power.
[0006] As a supplement to this technical solution, the first hydraulic cylinder drive assembly includes a first hydraulic cylinder structure, a first push rod, and a second hydraulic cylinder lever. The first push rod is mounted on the main shaft of the hydraulic cylinder structure, and the second hydraulic cylinder lever is mounted on the first push rod. The second hydraulic cylinder drive assembly includes a second hydraulic cylinder structure, a second push rod, and a first hydraulic cylinder lever. The second push rod is mounted on the main shaft of the second hydraulic cylinder structure, and the first hydraulic cylinder lever is mounted on the second push rod.
[0007] This technical solution uses the installation of a second hydraulic cylinder lever and a first hydraulic cylinder lever to drive the first-stage driven gear, the second-stage driven gear, the third-stage driven gear, and the fourth-stage driven gear.
[0008] As a supplement to this technical solution, the output shaft assembly includes an internal tie rod, a bushing structure, and a hydraulic rotary cylinder. The bushing structure is sleeved on the outer ring of the internal tie rod. The hydraulic rotary cylinder is installed on the left end of the bushing structure, and a chuck is installed on the right end of the bushing structure. A left bushing that mates with the hydraulic rotary cylinder is installed on the left end of the bushing structure, and a drive gear is installed on the right end of the left bushing. The first-stage output gear and the second-stage output gear are installed on the right side of the bushing structure.
[0009] As a supplement to this technical solution, a first bearing is installed on the left side of the first-stage output gear, a second bearing is installed on the right side of the second-stage output gear, and a third bearing is installed on the right side of the second bearing.
[0010] As a supplement to this technical solution, the input shaft assembly includes an input shaft body and a shaft cover plate, a bushing is installed between the first-stage drive gear and the second-stage drive gear, a shaft cover plate is installed on the left end of the input shaft body, and a fourth bearing is installed on the right end of the input shaft body.
[0011] As a supplement to this technical solution, a bushing is installed between the first-stage driving gear and the second-stage driving gear.
[0012] As a supplement to this technical solution, the driven gear shaft assembly also includes a left end cover and a right end cover. The transverse shaft adopts a spline shaft structure, and the left end and right end of the transverse shaft are respectively equipped with a left end cover and a right end cover.
[0013] As a supplement to this technical solution, both the first and second cylinder shift blocks are provided with transmission holes that match the spline shaft structure.
[0014] Beneficial effects: This utility model relates to a high-torque variable-speed spindle box. By installing a first hydraulic cylinder drive assembly and a second hydraulic cylinder drive assembly to provide power for gear switching, it achieves rapid gear switching. At the same time, by installing a first-stage driven gear, a second-stage driven gear, a third-stage driven gear, and a fourth-stage driven gear, the device can perform four-stage adjustment. Under the same power, it increases the output torque of the spindle box and realizes cutting speed change. It has the function of four-speed switching, which makes the device increase the output torque of the spindle box under the same power, realize cutting speed change, and improve the switching speed of the spindle box by using hydraulic cylinders as switching power. Attached Figure Description
[0015] Figure 1 This is a view of the result of this utility model; Figure 2 This is an internal structural view of the present invention; Figure 3 This is an exploded view of the output shaft assembly structure described in this utility model; Figure 4 This is a structural view of the driven gear shaft assembly described in this utility model; Figure 5 This is a structural view of the first and second hydraulic cylinder drive components described in this utility model. Figure 6 This is a structural view of the present invention when the first gear is selected; Figure 7 This is a structural view of the present invention when the second gear is selected; Figure 8 This is a structural view of the present invention when the third gear is selected; Figure 9 This is a structural view of the present invention when the fourth gear is selected.
[0016] Diagram: 1. Housing; 2. Input shaft assembly; 3. Output shaft assembly; 4. First hydraulic cylinder drive assembly; 5. Second hydraulic cylinder drive assembly; 6. Driven gear shaft assembly; 7. Bushing structure; 8. Hydraulic rotary cylinder; 9. Drive gear; 10. First-stage output gear; 11. Second-stage output gear; 12. Chuck; 13. Bushing; 14. First-stage drive gear; 15. Second-stage drive gear; 16. Fourth bearing; 17. Input shaft body; 18. Pulley structure; 19. Shaft cover. 20. Plate, internal tie rod, 21. Third bearing, 22. First bearing, 23. Left bushing, 24. Second bearing, 25. Transverse shaft, 26. Left end cover, 27. Right end cover, 28. Fourth stage driven gear, 29. Third stage driven gear, 30. Second cylinder lever, 31. First cylinder lever, 32. Second stage driven gear, 33. First stage driven gear, 34. First cylinder structure, 35. First push rod, 36. Second cylinder structure, 37. Second push rod. Detailed Implementation
[0017] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.
[0018] The embodiments of this utility model relate to a high-torque variable speed spindle box, such as... Figure 1 — Figure 5As shown, the device includes a housing 1, an output shaft assembly 3, and an input shaft assembly 2. The output shaft assembly 3, which transversely passes through the housing 1, is installed in the upper part of the housing 1. The input shaft assembly 2 is installed in the lower part of the housing 1. The left end of the input shaft assembly 2 extends out of the housing 1 and is fitted with a pulley structure 18. A first-stage driving gear 14 and a second-stage driving gear 15 are mounted side-by-side in the middle of the input shaft assembly 2. A driven gear shaft assembly 6, which links the output shaft assembly 3 and the input shaft assembly 2, is installed in the middle of the housing 1. The driven gear shaft assembly 6 includes a transverse shaft 25, a first-stage driven gear 33, a second-stage driven gear 32, a third-stage driven gear 29, and a fourth-stage driven gear 28. A first hydraulic cylinder lever 31 is slidably mounted transversely on the left end of the transverse shaft 25, and a second hydraulic cylinder lever 30 is slidably mounted transversely on the right end of the transverse shaft 25. The first cylinder lever 31 is rotatably mounted with a first-stage driven gear 33 and a second-stage driven gear 32 on its left and right sides, respectively. The second cylinder lever 30 is rotatably mounted with a third-stage driven gear 29 and a fourth-stage driven gear 28 arranged side by side on its right side. The first-stage driven gear 33 is matched with the first-stage driving gear 14, and the second-stage driven gear 32 is matched with the second-stage driving gear 15. The output shaft assembly 3 is mounted with a first-stage output gear 10 and a second-stage output gear 11. The first-stage output gear 10 is matched with the third-stage driven gear 29, and the second-stage output gear 11 is matched with the fourth-stage driven gear 28. The housing 1 is equipped with a first cylinder drive assembly 4 that drives the first cylinder lever 31 to slide laterally at the middle part. The housing 1 is equipped with a second cylinder drive assembly 5 that drives the second cylinder lever 30 on its upper side.
[0019] In this technical solution, the first hydraulic cylinder drive assembly 4 and the second hydraulic cylinder drive assembly 5 are installed to provide power for gear switching, thereby achieving rapid gear switching. At the same time, by installing the first-stage driven gear 33, the second-stage driven gear 32, the third-stage driven gear 29 and the fourth-stage driven gear 28, the device can perform four-stage adjustment, thereby increasing the output torque of the spindle box and realizing cutting speed change under the same power.
[0020] As a supplement to this technical solution, the first hydraulic cylinder drive assembly 4 includes a first hydraulic cylinder structure 34, a first push rod 35, and a second hydraulic cylinder lever 30. The first push rod 35 is mounted on the main shaft of the hydraulic cylinder structure 34, and the second hydraulic cylinder lever 30 is mounted on the first push rod 35. The second hydraulic cylinder drive assembly 5 includes a second hydraulic cylinder structure 36, a second push rod 37, and a first hydraulic cylinder lever 31. The second push rod 37 is mounted on the main shaft of the second hydraulic cylinder structure 36, and the first hydraulic cylinder lever 31 is mounted on the second push rod 37.
[0021] This technical solution uses the installation of a second hydraulic cylinder lever 30 and a first hydraulic cylinder lever 31 to drive the first-stage driven gear 33, the second-stage driven gear 32, the third-stage driven gear 29, and the fourth-stage driven gear 28.
[0022] As a supplement to this technical solution, the output shaft assembly 3 includes an internal tie rod 20, a bushing structure 7, and a hydraulic rotary cylinder 8. The bushing structure 7 is sleeved on the outer ring of the internal tie rod 20. The hydraulic rotary cylinder 8 is installed on the left end of the bushing structure 7. A chuck 12 is installed on the right end of the bushing structure 7. A left bushing 23 that mates with the hydraulic rotary cylinder 8 is installed on the left end of the bushing structure 7. A drive gear 9 is installed on the right end of the left bushing 23. The first-stage output gear 10 and the second-stage output gear 11 are installed on the right side of the bushing structure 7.
[0023] As a supplement to this technical solution, a first bearing 22 is installed on the left side of the first-stage output gear 10, a second bearing 24 is installed on the right side of the second-stage output gear 11, and a third bearing 21 is installed on the right side of the second bearing 24.
[0024] As a supplement to this technical solution, the input shaft assembly 2 includes an input shaft body 17 and a shaft cover plate 19. A bushing 13 is installed between the first-stage drive gear 14 and the second-stage drive gear 15. The shaft cover plate 19 is installed on the left end of the input shaft body 17, and a fourth bearing 16 is installed on the right end of the input shaft body 17.
[0025] As a supplement to this technical solution, a bushing 13 is installed between the first-stage drive gear 14 and the second-stage drive gear 15.
[0026] As a supplement to this technical solution, the driven gear shaft assembly 6 also includes a left end cover 26 and a right end cover 27. The transverse shaft 25 adopts a spline shaft structure, and the left end cover 26 and the right end cover 27 are respectively installed on the left and right ends of the transverse shaft 25.
[0027] As a supplement to this technical solution, both the first cylinder shift block 31 and the second cylinder shift block 30 are provided with transmission holes that match the spline shaft structure.
[0028] Example like Figure 6As shown, this is an overall schematic diagram of the internal structure in the first gear position. The first hydraulic cylinder drive assembly 4 is in the start state, the first hydraulic cylinder structure 34 is in the push-out state, the first push rod 35 pushes the second hydraulic cylinder shift block 30, and the second hydraulic cylinder shift block 30 pushes 14, so that the first stage drive gear 14 and the first stage driven gear 33 are engaged. At the same time, the second hydraulic cylinder drive assembly 5 is started. The second hydraulic cylinder structure 36 in the second hydraulic cylinder drive assembly 5 retracts and drives the second push rod 37. The second push rod 37 pulls the first hydraulic cylinder shift block 31. The third stage driven gear 29 on the first hydraulic cylinder shift block 31 and the first stage output gear 10 are engaged, thereby realizing the output of the first gear.
[0029] like Figure 7 As shown, this is a schematic diagram of the internal structure in the second gear position. Compared with the first gear position, in the second gear position, the second cylinder structure 36 in the second cylinder drive assembly 5 is activated. The main shaft of the second cylinder structure 36 pushes the second push rod 37, which in turn pushes the first cylinder shift block 31. The first cylinder shift block 31 can mesh with the second-stage output gear 11 and the fourth-stage driven gear 28, thereby realizing the output of the second gear position.
[0030] like Figure 8 As shown, this is the internal structural view of the third gear. Compared with the first gear, the first cylinder structure 34 is in the retracted state in the third gear. At this time, the second driven gear 32 and the second driving gear 15 are engaged. The second cylinder structure 36 in the second cylinder drive assembly 5 retracts and drives the second push rod 37. The second push rod 37 pulls the first cylinder shift block 31. The third driven gear 29 on the first cylinder shift block 31 and the first output gear 10 are engaged, thereby realizing the output of the third gear.
[0031] like Figure 9 As shown, this is the internal structural view of the fourth gear. Compared with the first gear, in the fourth gear, the first cylinder structure 34 is in the retracted state. At this time, the second driven gear 32 and the second driving gear 15 are engaged. The main shaft of the second cylinder structure 36 pushes the second push rod 37, which in turn pushes the first cylinder shift block 31. The first cylinder shift block 31 can engage the second output gear 11 and the fourth driven gear 28, thereby realizing the output of the fourth gear.
Claims
1. A high-torque variable-speed spindle box, characterized in that: Includes a housing (1), an output shaft assembly (3), and an input shaft assembly (2). The output shaft assembly (3) is installed laterally through the housing (1) in the upper part. The input shaft assembly (2) is installed in the lower part of the housing (1). The left end of the input shaft assembly (2) extends out of the housing (1) and is fitted with a pulley structure (18). A primary drive gear (14) and a secondary drive gear (15) are installed side-by-side in the middle of the input shaft assembly (2). The middle part of the housing (1)... The driven gear shaft assembly (6) is internally equipped with a linkage output shaft assembly (3) and an input shaft assembly (2). The driven gear shaft assembly (6) includes a transverse shaft (25), a first-stage driven gear (33), a second-stage driven gear (32), a third-stage driven gear (29), and a fourth-stage driven gear (28). A first hydraulic cylinder lever (31) is laterally slidably mounted on the left end of the transverse shaft (25), and a second hydraulic cylinder lever (30) is laterally slidably mounted on the right end of the transverse shaft (25). The first hydraulic cylinder lever (31) is rotatably mounted with a first-stage driven gear (33) and a second-stage driven gear (32) on its left and right sides, respectively. The second hydraulic cylinder lever (30) is rotatably mounted with a third-stage driven gear (29) and a fourth-stage driven gear (28) arranged side by side on its right side. The first-stage driven gear (33) is matched with the first-stage driving gear (14), and the second-stage driven gear (32) is matched with the second-stage driving gear (15). The output shaft assembly (3) is mounted with a first-stage output gear (10) and a second-stage output gear (11). The first-stage output gear (10) is matched with the third-stage driven gear (29), and the second-stage output gear (11) is matched with the fourth-stage driven gear (28). The housing (1) is equipped with a first hydraulic cylinder drive assembly (4) that drives the first hydraulic cylinder lever (31) to slide laterally at the middle part. The first hydraulic cylinder drive assembly (4) is equipped with a second hydraulic cylinder drive assembly (5) that drives the second hydraulic cylinder lever (30) on its upper side.
2. The high-torque variable-speed spindle box according to claim 1, characterized in that: The first hydraulic cylinder drive assembly (4) includes a first hydraulic cylinder structure (34), a first push rod (35), and a second hydraulic cylinder lever (30). The first push rod (35) is mounted on the main shaft of the hydraulic cylinder structure (34), and the second hydraulic cylinder lever (30) is mounted on the first push rod (35). The second hydraulic cylinder drive assembly (5) includes a second hydraulic cylinder structure (36), a second push rod (37), and a first hydraulic cylinder lever (31). The second push rod (37) is mounted on the main shaft of the second hydraulic cylinder structure (36), and the first hydraulic cylinder lever (31) is mounted on the second push rod (37).
3. A high-torque variable-speed spindle box according to claim 1, characterized in that: The output shaft assembly (3) includes an internal tie rod (20), a bushing structure (7), and a hydraulic rotary cylinder (8). The bushing structure (7) is sleeved on the outer ring of the internal tie rod (20). The hydraulic rotary cylinder (8) is installed on the left end of the bushing structure (7). A chuck (12) is installed on the right end of the bushing structure (7). A left bushing (23) that mates with the hydraulic rotary cylinder (8) is installed on the left end of the bushing structure (7). A drive gear (9) is installed on the right end of the left bushing (23). The first-stage output gear (10) and the second-stage output gear (11) are installed on the right side of the bushing structure (7).
4. A high-torque variable-speed spindle box according to claim 3, characterized in that: A first bearing (22) is installed on the left side of the first-stage output gear (10), a second bearing (24) is installed on the right side of the second-stage output gear (11), and a third bearing (21) is installed on the right side of the second bearing (24).
5. A high-torque variable-speed spindle box according to claim 1, characterized in that: The input shaft assembly (2) includes an input shaft body (17) and a shaft cover plate (19). A bushing (13) is installed between the first-stage drive gear (14) and the second-stage drive gear (15). A shaft cover plate (19) is installed on the left end of the input shaft body (17), and a fourth bearing (16) is installed on the right end of the input shaft body (17).
6. A high-torque variable-speed spindle box according to claim 1, characterized in that: A bushing (13) is installed between the first-stage drive gear (14) and the second-stage drive gear (15).
7. A high-torque variable-speed spindle box according to claim 1, characterized in that: The driven gear shaft assembly (6) further includes a left end cover (26) and a right end cover (27). The transverse shaft (25) adopts a spline shaft structure. The left end cover (26) and the right end cover (27) are respectively installed on the left and right ends of the transverse shaft (25).
8. A high-torque variable-speed spindle box according to claim 7, characterized in that: Both the first cylinder shift block (31) and the second cylinder shift block (30) are provided with transmission holes that match the spline shaft structure.