阅读说明：本技术 一种三行星排三段式液压机械无级变速箱 (Three-planetary-row three-section type hydraulic mechanical continuously variable transmission ) 是由 陈元 于 2021-09-02 设计创作，主要内容包括：本发明公开了无级变速箱技术领域的一种三行星排三段式液压机械无级变速箱,包括底座、第一行星排与第二行星排,第一行星排位于第二行星排的下方,第一行星排的一端设置有中间轴,第二行星排的一端设置有输入主轴,中间轴与输入主轴一侧设置有调节机构；调节机构包括有第一杆体、内杆、穿孔、插槽、升降杆、轴承、升降机构与移动机构,输入主轴与第一杆体之间通过轴承连接,内杆固定连接在第一杆体的下端面,穿孔开设在内杆的内部,插槽开设在升降杆的内部上端位置,能够根据第二行星排与第一行星排的各项的位置均可进行适应性的调整,能够使装置的安装更加的稳定,且同时也方便后期的维护,具有多尺寸适应性。(The invention discloses a three-planetary-row three-section type hydraulic mechanical continuously variable transmission in the technical field of continuously variable transmissions, which comprises a base, a first planetary row and a second planetary row, wherein the first planetary row is positioned below the second planetary row; adjustment mechanism is including the first body of rod, interior pole, it is perforated, the slot, the lifter, a bearing, elevating system and moving mechanism, be connected through the bearing between input main shaft and the first body of rod, interior pole fixed connection is at the lower terminal surface of the first body of rod, the inside at interior pole is seted up in the perforation, the inside upper end position at the lifter is seted up to the slot, can all carry out the adjustment of adaptability according to the position of each item of second planet row and first planet row, can make the installation stability more of device, and also make things convenient for the maintenance in later stage simultaneously, many size adaptability have.)

1. The utility model provides a three-row star syllogic hydraulic machinery continuously variable transmission, includes base (1), first planet row (2) and second planet row (3), first planet row (2) are located the below of second planet row (3), its characterized in that: one end of the first planet row (2) is provided with an intermediate shaft (8), one end of the second planet row (3) is provided with an input main shaft (9), and one side of the intermediate shaft (8) and the input main shaft (9) is provided with an adjusting mechanism;

the adjusting mechanism comprises a first rod body (12), an inner rod (13), a through hole (14), a slot (15), a lifting rod (16), a bearing (11), a lifting mechanism (7) and a moving mechanism, wherein an input main shaft (9) is connected with the first rod body (12) through the bearing (11), the inner rod (13) is fixedly connected to the lower end face of the first rod body (12), the through hole (14) is formed in the inner part of the inner rod (13), the slot (15) is formed in the upper end position of the inner part of the lifting rod (16), a moving barrel (18) is arranged at the lower end of the lifting rod (16), the lifting rod (16) is connected with the moving barrel (18) through the lifting mechanism (7), and the base (1) is connected with the lifting mechanism (7) through the moving mechanism;

elevating system (7) are including lead screw (17) and spliced pole (19), be provided with between spliced pole (19) and the removal section of thick bamboo (18) and connect bearing (20), lead screw (17) fixed connection is at the lower terminal surface of lifter (16), lead screw (17) threaded connection is in the inside of removing a section of thick bamboo (18).

2. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 1, wherein: the moving mechanism comprises an adjusting screw rod (21), a moving block (22) and a handle (10), the adjusting screw rod (21) penetrates through the base (1), the moving block (22) is sleeved outside the adjusting screw rod (21) in a threaded mode, and the handle (10) is fixedly connected to one end face of the adjusting screw rod (21).

3. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 2, wherein: the moving block (22) is in sliding contact with the base (1), the moving block (22) slides in the base (1), and the connecting column (19) is fixedly connected to the upper end face of the moving block (22).

4. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 1, wherein: a limiting mechanism is arranged between the first planet row (2) and the second planet row (3), and comprises a limiting ring I (6), a limiting ring II (25), a fixing plate (23), a connecting block (24) and a connecting plate (26).

5. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 4, wherein: the outer parts of the first planet row (2) and the second planet row (3) are respectively sleeved with a second limiting ring (25) and a first limiting ring (6) which are in close contact with each other, and a hinge is arranged at one side of the inner parts of the first limiting ring (6) and the second limiting ring (25).

6. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 4, wherein: the position that spacing ring one (6) and spacing ring two (25) are the respective hinge of opposition is the opening setting, fixed plate (23) fixed connection is in the lower terminal surface one side position of spacing ring one (6), connecting plate (26) fixed connection is in the up end one side position of spacing ring two (25).

7. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 6, wherein: the connecting block (24) is fixedly connected between the first limiting ring (6) and the second limiting ring (25), and the first limiting ring (6) and the second limiting ring (25) are connected with the connecting block (24) through screws.

8. The three-planetary-row three-stage hydro-mechanical continuously variable transmission of claim 1, wherein: the upper end face of the base (1) is fixedly connected with a connecting seat (4), the connecting seat (4) is in contact with the first planet row (2) and the second planet row (3), and a groove (5) is formed in the middle of the inner portion of the connecting seat (4).

Technical Field

The invention relates to the technical field of dust removal, in particular to a three-planetary-row three-section type hydraulic mechanical continuously variable transmission.

Background

Along with the development of society, people have higher and higher requirements on the performance of vehicles, wherein the experience of speed change in the aspect of vehicle body performance is more important, so that the use experience of users can be greatly influenced on the updating of a continuously variable transmission, wherein the hydraulic transmission has a wide-range controllable stepless speed regulation characteristic and a high power density characteristic, so that the research on the vehicle transmission is increasingly emphasized, but the serious problem of low transmission efficiency exists in the development of the vehicle hydraulic transmission. The hydraulic element can smoothly realize a continuously variable transmission over a wide range, and its performance is close to ideal characteristics.

The existing hydraulic mechanical stepless speed changing box cannot be adjusted adaptively according to the setting position of the speed changing box in the using process, the installation requirement of workers is difficult to meet, the installation efficiency cannot be effectively improved, the installation stability is difficult to ensure, and the defects exist in use.

Disclosure of Invention

The invention aims to provide a three-planetary-row three-section type hydraulic mechanical stepless gearbox, which aims to solve the problems that the prior art cannot perform adaptive adjustment according to the setting position of the gearbox in the using process, cannot meet the installation requirement of workers, cannot effectively improve the installation efficiency and cannot ensure the installation stability.

In order to achieve the purpose, the invention provides the following technical scheme: a three-section type hydraulic mechanical stepless gearbox with three planetary rows comprises a base, a first planetary row and a second planetary row, wherein the first planetary row is positioned below the second planetary row, one end of the first planetary row is provided with an intermediate shaft, one end of the second planetary row is provided with an input main shaft, and one side of the intermediate shaft and one side of the input main shaft are provided with an adjusting mechanism;

the adjusting mechanism comprises a first rod body, an inner rod, a through hole, a slot, a lifting rod, a bearing, a lifting mechanism and a moving mechanism, the input main shaft is connected with the first rod body through the bearing, the inner rod is fixedly connected to the lower end face of the first rod body, the through hole is formed in the inner part of the inner rod, the slot is formed in the upper end position in the lifting rod, a moving cylinder is arranged at the lower end of the lifting rod, the lifting rod is connected with the moving cylinder through the lifting mechanism, and the base is connected with the lifting mechanism through the moving mechanism;

the lifting mechanism comprises a screw rod and a connecting column, a connecting bearing is arranged between the connecting column and the movable barrel, the screw rod is fixedly connected to the lower end face of the lifting rod, and the screw rod is in threaded connection with the inside of the movable barrel.

Preferably, the moving mechanism comprises an adjusting screw rod, a moving block and a handle, the adjusting screw rod penetrates through the base, the moving block is sleeved outside the adjusting screw rod in a threaded manner, and the handle is fixedly connected to one end face of the adjusting screw rod.

Preferably, the moving block is in sliding contact with the base, the moving block slides in the base, and the connecting column is fixedly connected to the upper end face of the moving block.

Preferably, a limiting mechanism is arranged between the first planet row and the second planet row, and the limiting mechanism comprises a limiting ring I, a limiting ring II, a fixing plate, a connecting block and a connecting plate.

Preferably, the first planet row and the second planet row are respectively sleeved with a second limiting ring and a first limiting ring in a sleeved mode and are in close contact with each other, and a hinge is arranged on one side of the inner portion of the first limiting ring and one side of the inner portion of the second limiting ring.

Preferably, the positions of the hinges of the first limiting ring and the second limiting ring which are opposite are both arranged in an opening mode, the fixing plate is fixedly connected to one side of the lower end face of the first limiting ring, and the connecting plate is fixedly connected to one side of the upper end face of the second limiting ring.

Preferably, the connecting block is fixedly connected between the first limiting ring and the second limiting ring, and the first limiting ring and the second limiting ring are connected with the connecting block through screws.

Preferably, the upper end face of the base is fixedly connected with a connecting seat, the connecting seat is in contact with the first planet row and the second planet row, and a groove is formed in the middle of the inside of the connecting seat.

Compared with the prior art, the invention has the beneficial effects that:

the first limiting ring and the second limiting ring are respectively limited in position on the second planet row and the first planet row, the first limiting ring and the second limiting ring can be opened through hinges and are installed in a matched mode with the second planet row and the first planet row, then the second planet row and the first planet row can be limited in position through fixing of the fixing plate and the connecting block, the operation efficiency is high, and meanwhile the stability of installation of the second planet row and the first planet row can be guaranteed;

secondly, the input main shaft and the middle shaft are respectively subjected to position re-limitation by utilizing the first rod body and the lifting rod according to the distance between the second planet row and the first planet row, the distance between the first rod body and the lifting rod can be adaptively adjusted by sliding the inner rod in the slot, and then the position between the inner rod and the lifting rod can be fixed through a through hole and a corresponding hole in the lifting rod, so that a better adaptation effect is achieved;

the position of the lifting rod is adjusted according to the position of the intermediate shaft, the movable cylinder is rotated and can be rotatably connected with the connecting column through the connecting bearing, and then the movable cylinder can be in threaded connection with the lead screw to rotate, so that the position height of the lifting rod can be adjusted, the position of the lifting rod can be adjusted according to the position of the intermediate shaft, and the lifting rod adjusting device has good adaptability and is practical;

finally, the middle shaft and the input main shaft are fixed according to needs, the lifting rod is horizontally adjusted, firstly, a worker can rotate the handle, the handle drives the adjusting screw rod to rotate, the moving block is attached to the base to slide, further, the moving block is in threaded connection with the adjusting screw rod, the moving block can horizontally move along the adjusting screw rod, the adjusting process is stable, the adjustment of adaptability can be carried out according to the positions of the second planet row and the first planet row, the installation of the device can be more stable, the later maintenance is facilitated simultaneously, and the multi-size adaptability is achieved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a combination view of the intermediate shaft and the input main shaft of the present invention;

FIG. 3 is a view showing the combination of the fixing plate and the connecting block according to the present invention;

FIG. 4 is a view of the combination of the lifter and lead screw of the present invention;

fig. 5 is a combined view of the screw and the moving cylinder of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a first planet row; 3. a second planet row; 4. a connecting seat; 5. a groove; 6. a first limiting ring; 7. a lifting mechanism; 8. an intermediate shaft; 9. inputting a main shaft; 10. a handle; 11. a bearing; 12. a first rod body; 13. an inner rod; 14. perforating; 15. a slot; 16. a lifting rod; 17. a screw rod; 18. moving the drum; 19. connecting columns; 20. connecting a bearing; 21. adjusting the screw rod; 22. a moving block; 23. a fixing plate; 24. connecting blocks; 25. a second limiting ring; 26. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a three-planetary-row three-stage hydraulic mechanical stepless transmission, which comprises: the planetary gear set comprises a base 1, a first planetary row 2 and a second planetary row 3, wherein the first planetary row 2 is positioned below the second planetary row 3, one end of the first planetary row 2 is provided with an intermediate shaft 8, one end of the second planetary row 3 is provided with an input main shaft 9, one side of the intermediate shaft 8 and one side of the input main shaft 9 are provided with adjusting mechanisms, the upper end surface of the base 1 is fixedly connected with a connecting seat 4, the connecting seat 4 is in contact with the first planetary row 2 and the second planetary row 3, and the middle position in the connecting seat 4 is provided with a groove 5;

the distance between the first rod body 12 and the lifting rod 16 can be adaptively adjusted by sliding the inner rod 13 in the slot 15, then the position between the inner rod 13 and the lifting rod 16 can be seen through the corresponding hole on the perforation 14 and the lifting rod 16 for fixing, the adjusting mechanism comprises the first rod body 12, the inner rod 13, the perforation 14, the slot 15, the lifting rod 16, the bearing 11, the lifting mechanism 7 and a moving mechanism, the input main shaft 9 is connected with the first rod body 12 through the bearing 11, the inner rod 13 is fixedly connected with the lower end surface of the first rod body 12, the perforation 14 is arranged in the inner rod 13, the slot 15 is arranged at the upper end position in the lifting rod 16, the lower end of the lifting rod 16 is provided with a moving cylinder 18, the lifting rod 16 is connected with the moving cylinder 18 through the lifting mechanism 7, and the base 1 is connected with the lifting mechanism 7 through the moving mechanism;

rotate a removal section of thick bamboo 18, a removal section of thick bamboo 18 can rotate with spliced pole 19 through connecting bearing 20 and be connected, a removal section of thick bamboo 18 can rotate with lead screw 17 threaded connection afterwards, and then can adjust the position height of lifter 16, elevating system 7 is provided with connecting bearing 20 including lead screw 17 and spliced pole 19 between spliced pole 19 and a removal section of thick bamboo 18, lead screw 17 fixed connection is at the lower terminal surface of lifter 16, lead screw 17 threaded connection is in the inside of a removal section of thick bamboo 18.

The handle 10 can be rotated, the handle 10 drives the adjusting screw rod 21 to rotate, the moving block 22 is attached to the base 1 to slide, the moving block 22 is in threaded connection with the adjusting screw rod 21, the moving block 22 can horizontally move along the adjusting screw rod 21, the moving mechanism comprises the adjusting screw rod 21, the moving block 22 and the handle 10, the adjusting screw rod 21 penetrates through the base 1, the moving block 22 is in threaded sleeve connection with the outer portion of the adjusting screw rod 21, the handle 10 is fixedly connected to one end face of the adjusting screw rod 21, the moving block 22 is in sliding contact with the base 1, the moving block 22 slides in the base 1, the connecting column 19 is fixedly connected to the upper end face of the moving block 22, and a limiting mechanism is arranged between the first planet row 2 and the second planet row 3;

the first limiting ring 6 and the second limiting ring 25 are used for limiting the positions of the second planet row 3 and the first planet row 2 respectively, the first limiting ring 6 and the second limiting ring 25 can be opened through hinges to be matched with the second planet row 3 and the first planet row 2, then the second planet row 3 and the first planet row 2 can be limited in position through the fixation between the fixing plate 23 and the connecting plate 26 and the connecting block 24 respectively, the limiting mechanism comprises a first limiting ring 6, a second limiting ring 25, a fixing plate 23, a connecting block 24 and a connecting plate 26, the second limiting ring 25 and the first limiting ring 6 are sleeved outside the first planet row 2 and the second planet row 3 respectively and are in close contact with each other, hinges are arranged at one side positions inside the first limiting ring 6 and the second limiting ring 25, the positions of the opposite hinges of the first limiting ring 6 and the second limiting ring 25 are both open, the fixing plate 23 is fixedly connected at the first lower end face of the first limiting ring 6, the connecting plate 26 is fixedly connected to one side of the upper end face of the second limiting ring 25, the connecting block 24 is fixedly connected between the first limiting ring 6 and the second limiting ring 25, and the first limiting ring 6, the second limiting ring 25 and the connecting block 24 are connected through screws.

One specific application of this embodiment is: when the device is used, the base 1 is placed at a using position, the first planet row 2 and the second planet row 3 can be supported through the connecting seat 4, then the second planet row 3 and the first planet row 2 can be limited in position through the first limiting ring 6 and the second limiting ring 25, the first limiting ring 6 and the second limiting ring 25 can be opened through a hinge to be installed in a matched mode with the second planet row 3 and the first planet row 2, then the second planet row 3 and the first planet row 2 can be limited in position through the fixing between the fixing plate 23 and the connecting plate 26 and the connecting block 24, the operating efficiency is high, and meanwhile the stability of installation of the second planet row 3 and the first planet row 2 can be guaranteed; then, the input main shaft 9 and the middle shaft 8 are respectively re-limited in position by the first rod body 12 and the lifting rod 16 according to the distance between the second planet row 3 and the first planet row 2, the distance between the first rod body 12 and the lifting rod 16 can be adaptively adjusted by sliding the inner rod 13 in the slot 15, and then the positions between the inner rod 13 and the lifting rod 16 can be fixed through the through hole 14 and the corresponding hole in the lifting rod 16, so that a good adaptation effect is achieved; the position of the lifting rod 16 is adjusted according to the position of the intermediate shaft 8, the moving cylinder 18 is rotated, the moving cylinder 18 can be rotatably connected with the connecting column 19 through the connecting bearing 20, the moving cylinder 18 can be in threaded connection with the screw rod 17 to rotate, the position height of the lifting rod 16 can be adjusted, the adjustment can be performed according to the position of the intermediate shaft 8, and the lifting rod adjusting device has good adaptability and is practical; finally, the positions of the intermediate shaft 8 and the input spindle 9 are fixed as required to horizontally adjust the lifting rod 16, firstly, a worker can rotate the handle 10, the handle 10 drives the adjusting screw rod 21 to rotate, the moving block 22 is attached to the base 1 to slide, the moving block 22 is in threaded connection with the adjusting screw rod 21, the moving block 22 can horizontally move along the adjusting screw rod 21, and the adjusting process is stable.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.