Novel vertical lathe gearbox shifting fork structure
Through the design of oil-free bearings and oil inlets, the problem of space occupied by the fork structure is solved, the compact connection and sealing effect is achieved, and the gear shift reliability of the transmission is improved.
Patent Information
- Application Number
- CN202421066877.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-16
AI Technical Summary
Most of the existing fork structures use conventional bearings, which occupy installation space and affect the gearshift reliability of the gearbox.
The oil-free bearing, fork, first shaft, second shaft, oil tank and oil inlet are used to cooperate with each other. When oil inlet is injected through the oil inlet, the fork moves upward or downward, and is connected with a flat key and a clutch, which is compact in structure. , save installation space.
The compact connection between the fork and the clutch is achieved, which saves installation space, and ensures sealing effect through the guide rod and oil seal, improving the gearshift reliability of the gearbox.
Smart Images

Figure CN222208950U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gearbox forks, in particular to a novel gearbox fork structure for a vertical lathe. Background Art
[0002] The shift fork is an important component in the gearshift mechanism of the gearbox. Its fork body is generally a semicircular structure, with protruding ribs or fork feet on the inner arc to install the movable pendulum block. The boss or the pendulum block of the fork foot directly cooperates with the groove on the synchronizer gear sleeve. A through hole is opened on the fork hub and passed through the shift fork shaft. The shift fork is mainly used to move the synchronizer gear sleeve inside the gearbox back and forth to achieve gear shifting. It is generally made of aluminum alloy casting or steel casting. Its strength and rigidity have a vital impact on the reliability of gearbox shifting.
[0003] Most existing shift fork structures use conventional bearings, which take up installation space.
[0004] In view of the above problems, a new type of vertical lathe gearbox fork structure is proposed. Utility Model Content
[0005] The utility model aims to provide a novel vertical lathe gearbox shift fork structure, which solves the problem that most shift fork structures in the background technology adopt conventional bearings and occupy installation space.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of vertical lathe gearbox fork structure, including a base, a box body is fixedly connected to the right side of the base, a first shaft is passed through and arranged in the base, a gear is fixedly connected to the top of the first shaft, a connecting assembly is arranged outside the first shaft, a fork is connected to the right side of the connecting assembly, oil tanks are passed through and fixedly connected to the upper and lower ends of the box body, a second shaft is arranged between the two oil tanks, a cover plate is fixedly connected to the right side of the box body, a second oil inlet is passed through and opened on the right side of the upper oil tank, and a first oil inlet is opened on the right side of the lower oil tank.
[0007] By adopting the above technical solution, the shift fork moves downward when oil is introduced into the second oil inlet, and the shift fork moves upward when oil is introduced into the first oil inlet.
[0008] As a further description of the above technical solution: the connecting component includes a flat key, the flat key is arranged in the middle of the outside of the first shaft, the outside of the flat key is fixedly connected to the first clutch, and a non-oil bearing is arranged on the right side of the first clutch.
[0009] By adopting the above technical solution, the connection between the shift fork and the first clutch adopts an oil-free bearing, which has a compact structure and saves installation space.
[0010] As a further description of the above technical solution: the other end of the shift fork passes through and is arranged outside the second shaft.
[0011] By adopting the above technical solution, the shift fork can be easily moved on the second axis.
[0012] As a further description of the above technical solution: a guide rod is passed through and fixedly connected to the oil tank below.
[0013] By adopting the above technical solution, a guiding role is played.
[0014] As a further description of the above technical solution: a first bearing is fixedly connected to the outside of the first shaft, and the outside of the first bearing is fixedly connected to the base.
[0015] By adopting the above technical solution, the outer part of the first shaft can be easily rotated above the base.
[0016] As a further description of the above technical solution: the first shaft is externally fixedly connected to a second bearing, and the second bearing is externally fixedly connected to a second clutch.
[0017] By adopting the above technical solution, the second clutch is connected.
[0018] As a further description of the above technical solution: a third bearing is fixedly connected to the bottom of the first shaft, and the outside of the third bearing is fixedly connected to the base.
[0019] By adopting the above technical solution, the outer part of the first shaft can be easily rotated under the base.
[0020] As a further description of the above technical solution: oil seals are provided on opposite sides of the two oil tanks.
[0021] By adopting the above technical solution, a sealing effect is achieved.
[0022] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0023] The utility model provides a novel vertical lathe gearbox shift fork structure, in which an oil-free bearing, a shift fork, a first shaft, a second shaft, an oil tank, a first oil inlet and a second oil inlet cooperate with each other, the shift fork moves downward when oil is fed into the second oil inlet, and moves upward when oil is fed into the first oil inlet, and the connection between the shift fork and the first clutch adopts an oil-free bearing, the structure is compact, and the installation space is saved. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a sectional view of the overall structure of the utility model.
[0025] In the figure: 1. base; 2. gear; 3. first shaft; 4. flat key; 5. first clutch; 6. non-oil bearing; 7. shift fork; 8. oil tank; 9. second shaft; 10. oil seal; 11. housing; 12. cover plate; 13. guide rod; 14. first bearing; 15. second clutch; 16. second bearing; 17. third bearing; 18. first oil inlet; 19. second oil inlet. DETAILED DESCRIPTION
[0026] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.
[0028] Reference Figure 1 The utility model discloses a novel vertical lathe gearbox fork structure, including a base 1, a box body 11 is fixedly connected to the right side of the base 1, which is convenient for installing the first shaft 3, and the first shaft 3 is penetrated and arranged in the base 1. The first shaft 3 can facilitate the fork 7 to drive the first clutch 5 to move through the first shaft 3. The top of the first shaft 3 is fixedly connected with a gear 2 to play a transmission role. A connecting component is arranged outside the first shaft 3, and a fork 7 is connected to the right side of the connecting component. The clutch shifting is realized by the fork 7. The upper and lower ends of the box body 11 are penetrated and fixedly connected with oil tanks 8 for storing oil. A second shaft 9 is arranged between the two oil tanks 8. A cover plate 12 is fixedly connected to the right side of the box body 11 to play a sealing effect. A second oil inlet 19 is penetrated and opened on the right side of the upper oil tank 8, and a first oil inlet 18 is opened on the right side of the lower oil tank 8 to facilitate the oil to enter the oil tank 8.
[0029] Reference Figure 1 The connecting component includes a flat key 4, which is arranged in the middle of the outside of the first shaft 3. The outside of the flat key 4 is fixedly connected to the first clutch 5. A non-oil bearing 6 is arranged on the right side of the first clutch 5. The connection between the shift fork 7 and the first clutch 5 adopts the non-oil bearing 6, which has a compact structure and saves installation space.
[0030] Reference Figure 1The other end of the shift fork 7 passes through and is arranged on the outside of the second shaft 9, which is convenient for the shift fork 7 to move on the second shaft 9. A guide rod 13 passes through and is fixedly connected in the lower oil tank 8. A first bearing 14 is fixedly connected to the outside of the first shaft 3. The outside of the first bearing 14 is fixedly connected to the base 1, which is convenient for the outside of the first shaft 3 to rotate above the base 1. A second bearing 16 is fixedly connected to the outside of the first shaft 3. The outside of the second bearing 16 is fixedly connected to the second clutch 15, which has the effect of connecting the second clutch 15. A third bearing 17 is fixedly connected to the bottom of the first shaft 3. The outside of the third bearing 17 is fixedly connected to the base 1, which is convenient for the outside of the first shaft 3 to rotate below the base 1. Oil seals 10 are provided on opposite sides of the two oil tanks 8.
[0031] Working principle: During operation, when oil is introduced into the second oil inlet 19, the shift fork 7 moves downward along the second shaft 9; when oil is introduced into the first oil inlet 18, the shift fork 7 moves upward along the second shaft 9; the shift fork 7 moves up and down to realize clutch shifting; the shift fork 7 is connected to the first clutch 5 through the oil-free bearing 6, and has a compact structure, saving installation space.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel vertical lathe gearbox fork structure, comprising a base (1), characterized in that: The right side of the base (1) is fixedly connected to a box body (11), a first shaft (3) is passed through and arranged in the base (1), a gear (2) is fixedly connected to the top of the first shaft (3), a connecting assembly is arranged outside the first shaft (3), a shift fork (7) is connected to the right side of the connecting assembly, the upper and lower ends of the box body (11) are passed through and fixedly connected to oil tanks (8), a second shaft (9) is arranged between the two oil tanks (8), a cover plate (12) is fixedly connected to the right side of the box body (11), a second oil inlet (19) is passed through and opened on the right side of the upper oil tank (8), and a first oil inlet (18) is opened on the right side of the lower oil tank (8).
2. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: The connecting assembly comprises a flat key (4), the flat key (4) being arranged at the middle of the outside of the first shaft (3), the outside of the flat key (4) being fixedly connected to a first clutch (5), and a non-oil bearing (6) being arranged on the right side of the first clutch (5).
3. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: The other end of the shift fork (7) passes through and is arranged outside the second shaft (9).
4. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: A guide rod (13) passes through and is fixedly connected to the oil tank (8) below.
5. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: The first shaft (3) is externally fixedly connected to a first bearing (14), and the first bearing (14) is externally fixedly connected to the base (1).
6. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: The first shaft (3) is fixedly connected to a second bearing (16) on the outside, and the second bearing (16) is fixedly connected to a second clutch (15) on the outside.
7. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: A third bearing (17) is fixedly connected to the bottom of the first shaft (3), and the outside of the third bearing (17) is fixedly connected to the base (1).
8. According to the novel vertical lathe gearbox fork structure of claim 1, it is characterized by: Oil seals (10) are provided on opposite sides of the two oil tanks (8).
