A dual-input multi-output gearbox structure

Abstract

The invention belongs to the technical field of mechanical speed transmission, and discloses a dual-input multi-output gearbox structure, comprising a lower case, a connecting case and an upper case, wherein the lower case is rotatably connected with a first rotating shaft, a second rotating shaft and three-piece Class I output combination, the first rotating shaft and the second rotating shaft are both connected with a first driving gear and a second driving gear, the Class I output combination comprises a first output shaft, the first output shaft is connected with a linkage gear, the middle linkage gear is meshed with the first driving gear, the lower case is provided with internal teeth, the linkage gears on both sides are meshed with the internal teeth of the lower case, the connecting case is rotatably connected with six-piece Class II output combination, the Class II output combination comprises a second output shaft, the second output shaft is connected with a driven gear, the driven gear is meshed with the second driving gear, the upper case is provided with internal teeth, and the driven gears are all meshed with the internal teeth of the upper case; the invention solves the problem that the gearbox structure in the prior art cannot realize dual-input and multi-output, and is suitable for power transmission.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical speed-changing transmission, and in particular to a dual-input and multi-output gearbox structure. Background Art

[0002] Gearbox structure is a widely used industrial product, which can reduce the speed of the input shaft and increase the torque of the output shaft. Gearbox structure is used as a supporting component in various industries such as machinery manufacturing, lifting, excavation, transportation, construction, etc.

[0003] At present, most of the gearbox structures used in the market are single input matched with single output or dual output, dual input matched with single output or dual output. The industry fields and working conditions of their application are relatively narrow. In the actual production process, there are many occasions where there is only one or two inputs, but the outputs require several or even dozens. At this time, the ordinary gearbox structure cannot be applied. Therefore, the market urgently needs a gearbox structure with dual inputs and multiple outputs. Summary of the invention

[0004] The present invention is intended to provide a dual-input and multi-output gearbox structure to solve the problem that the prior art gearbox structure cannot achieve dual-input and multi-output.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] The basic technical solution provided by the present invention is: a dual-input and multi-output gearbox structure, comprising a lower box body, a connecting box body and an upper box body, wherein the lower box body is rotatably connected with a first rotating shaft, a second rotating shaft and a Class I output combination, the lower ends of the first rotating shaft and the second rotating shaft both pass through the lower box body, the lower ends of the first rotating shaft and the second rotating shaft serve as the input rotating shaft of the gearbox structure, the first rotating shaft and the second rotating shaft are both connected with a first driving gear and a second driving gear, the Class I output combination has multiple pieces, the multiple Class I output combinations are mutually transmission-connected, any of the Class I output combinations is transmission-connected with the first driving gear, the Class I output combination includes a first output shaft, the first output shaft is connected with a linkage gear, the linkage gear The driven gear is meshed with the first driving gear, the connecting box is connected to the upper side of the lower box, the connecting box is rotatably connected with a Class II output combination, the Class II output combination has multiple pieces, and the multiple Class II output combinations are all transmission-connected with the second driving gear, the Class II output combination includes a second output shaft, the second output shaft is connected with a driven gear, and the driven gear is meshed with the second driving gear, the upper box is connected to the upper side of the connecting box, the upper ends of the first rotating shaft, the second rotating shaft, the first output shaft and the second output shaft all pass through the upper box, and the upper ends of the first rotating shaft, the second rotating shaft, the first output shaft and the second output shaft all serve as output rotating shafts of the gear box structure.

[0007] The principle of the basic technical solution is as follows: power is input into the gearbox through the first rotating shaft and the second rotating shaft, the first rotating shaft and the second rotating shaft respectively drive the first driving gear and the second driving gear to rotate, the first driving gear drives a linkage gear to rotate, the linkage gear drives the first output shaft and other Class I output combinations to rotate, the second driving gear drives multiple driven gears to rotate, and the driven gear drives the second output shaft to rotate.

[0008] The beneficial effects of the basic technical solution are: power drives the first rotating shaft and the second rotating shaft to rotate respectively, and the first rotating shaft and the second rotating shaft drive multiple first output shafts and second output shafts to rotate, that is, the gear box structure realizes the purpose of dual input shaft input and multiple output shaft output, and solves the problem that the prior art cannot achieve dual input and multiple output; the entire gear box body is composed of three parts: a lower box body, a connecting box body and an upper box body, which is easy to disassemble and debug the gears and shafts in the box; the entire box body is small in size and compact in structure, and is easy to promote and use.

[0009] Preferably, the Class I output assembly has three pieces, the axes of the three first output shafts are on the same straight line, the input rotation directions of the first rotating shaft and the second rotating shaft are the same, and the intermediate linkage gear is meshed with two of the first driving gears at the same time.

[0010] Through the above arrangement, the three Class I output combinations are arranged linearly, the middle linkage gear is meshed with the two first driving gears at the same time, and the two Class I output combinations are transmission-connected on both sides of the middle linkage gear, so that the three linkage gears and the gearbox structure are evenly stressed, the gearbox structure is stable in use, and it is beneficial to extend the service life of the gearbox structure.

[0011] Preferably, there are six type II output assemblies, three of which are transmission-connected around the first rotating shaft, and the other three are transmission-connected around the second rotating shaft.

[0012] Through the above arrangement, the six Class II output combinations are divided into two groups and are transmission-connected around the first rotating shaft and the second rotating shaft, so that the gears, shafts and gearbox structure of the Class II output combination are evenly stressed, the gearbox structure is stable in use, and it is beneficial to extend the service life of the gearbox structure.

[0013] Preferably, the first rotating shaft and the second rotating shaft are mirror-symmetrical about the axis connecting plane of the three first output shafts, and the three first output shafts are mirror-symmetrical about the axis connecting plane of the first rotating shaft and the second rotating shaft.

[0014] Through the above arrangement, the spatial positions of the eleven output shafts are reasonably arranged, which reduces the volume of the entire gearbox structure, making the structure of the entire gearbox compact. The eleven output shafts have a small axial spacing and a uniform axial spacing distribution, which not only meets the special requirements of the market, but also controls the cost.

[0015] Preferably, the inner sides of the lower box body and the upper box body are provided with internal teeth, the linkage gears on both sides are meshed with the internal teeth of the lower box body, and the six driven gears are meshed with the internal teeth of the upper box body.

[0016] Through the above arrangement, the uniformity and balance of the forces on the linkage gear and the driven gear during operation are further improved, the stability of the entire gearbox structure during operation is ensured, and the service life of the gearbox structure is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a dual-input and multi-output gearbox structure of the present invention;

[0018] Figure 2 for Figure 1 Sectional view of AA in the middle;

[0019] Figure 3 An exploded view of a dual-input and multi-output gearbox structure of the present invention;

[0020] The names of the corresponding marks in the accompanying drawings are:

[0021] The lower housing 1, the first rotating shaft 2, the second rotating shaft 3, the first driving gear 4, the linkage gear 5, the first output shaft 6, the second driving gear 7, the driven gear 8, the second output shaft 9, the connecting housing 10, and the upper housing 11. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0023] like Figures 1 to 3As shown, a dual-input multi-output gearbox structure comprises a lower housing 1, a connecting housing 10 and an upper housing 11, wherein the lower housing 1 is rotatably connected with a first rotating shaft 2, a second rotating shaft 3 and a Class I output combination through a bearing, the lower ends of the first rotating shaft 2 and the second rotating shaft 3 both pass through the lower housing 1, the input rotation directions of the first rotating shaft 2 and the second rotating shaft 3 are the same, the lower ends of the first rotating shaft 2 and the second rotating shaft 3 serve as the input rotating shafts of the gearbox structure, the first rotating shaft 2 and the second rotating shaft 3 are respectively connected with a first driving gear 4 and a second driving gear 7 through a key, the Class I output combination comprises three pieces, the three Class I output combinations are transmission-connected to each other, the middle Class I output combination is transmission-connected to the first driving gear 4, the Class I output combination comprises a first output shaft 6, the first output shaft 6 is connected with a linkage gear 5 through a key, the axes of the three first output shafts 6 are on the same straight line, the middle linkage gear 5 is meshed with two first driving gears 4 at the same time, the first rotating shaft 2 and the second rotating shaft 3 are mirror-symmetrical about the axis connection plane of the three first output shafts 6, and the three first output shafts 6 are about the first The axis connecting plane of the rotating shaft 2 and the second rotating shaft 3 is mirror-symmetrical. The inner side of the lower housing 1 is provided with internal teeth. The linkage gears 5 on both sides are meshed with the internal teeth of the lower housing 1. The connecting housing 10 is connected to the upper side of the lower housing 1 by bolts. The connecting housing 10 is rotatably connected with a Class II output combination through a bearing. The Class II output combination has six pieces, of which three Class II output combinations are transmission-connected around the first rotating shaft 2, and the other three Class II output combinations are transmission-connected around the second rotating shaft 3. The Class II output combination includes a second output shaft 9. The second output shaft 9 is connected to the driven gear 8 through a key, and the driven gear 8 is meshed with the second driving gear 7. The inner side of the upper housing 11 is also provided with internal teeth, and the six driven gears 8 are all meshed with the internal teeth of the upper housing 11. The upper housing 11 is connected to the upper side of the connecting housing 10 by bolts. The upper ends of the first rotating shaft 2, the second rotating shaft 3, the first output shaft 6 and the second output shaft 9 all pass through the upper housing 11, and the upper ends of the first rotating shaft 2, the second rotating shaft 3, the first output shaft 6 and the second output shaft 9 all serve as output rotating shafts of the gear box structure.

[0024] The specific implementation process is as follows:

[0025] When using the present gearbox structure, the input power is connected to the first rotating shaft 2 and the second rotating shaft 3 on the lower side of the lower housing 1. Under the action of the gears and shafts inside the gearbox structure, the first rotating shaft 2, the second rotating shaft 3, the three first output shafts 6 and the six second output shafts 9 on the upper side of the upper housing 11 all serve as the output rotating shafts of the gearbox structure, wherein the rotation direction of the first rotating shaft 2, the second rotating shaft 3 and the first output shafts 6 on both sides is the same as the rotation direction of the input power, and the rotation direction of the six second output shafts 9 and the middle first output shaft 6 is opposite to the rotation direction of the input power.

[0026] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A dual-input and multi-output gearbox structure, characterized in that: The invention comprises a lower housing (1), a connecting housing (10) and an upper housing (11), wherein the lower housing (1) is rotatably connected with a first rotating shaft (2), a second rotating shaft (3) and a type I output assembly, wherein the lower ends of the first rotating shaft (2) and the second rotating shaft (3) both pass through the lower housing (1), and the lower ends of the first rotating shaft (2) and the second rotating shaft (3) serve as input rotating shafts of a gearbox structure, wherein the first rotating shaft (2) and the second rotating shaft (3) are both connected with a first driving gear (4) and a second driving gear (7), wherein the type I output assembly comprises three pieces, wherein the three type I output assemblies each comprise a first output shaft (6), wherein the axes of the three first output shafts (6) are on the same straight line, wherein the first output shaft (6) is connected with a linkage gear (5), wherein the input rotation directions of the first rotating shaft (2) and the second rotating shaft (3) are the same, wherein the linkage gear (5) in the middle is simultaneously meshed with two of the first driving gears (4), and wherein the linkage gear (5) in the middle is simultaneously meshed with the other two linkage gears (5); The connecting box (10) is connected to the upper side of the lower box (1), and the connecting box (10) is rotatably connected to a Class II output assembly. The Class II output assembly includes multiple pieces, and the multiple Class II output assemblies are all transmission-connected to the second driving gear (7). The Class II output assembly includes a second output shaft (9), and the second output shaft (9) is connected to a driven gear (8), and the driven gear (8) is meshed with the second driving gear (7). The upper box (11) is connected to the upper side of the connecting box (10), and the upper ends of the first rotating shaft (2), the second rotating shaft (3), the first output shaft (6), and the second output shaft (9) all pass through the upper box (11), and the upper ends of the first rotating shaft (2), the second rotating shaft (3), the first output shaft (6), and the second output shaft (9) all serve as output rotating shafts of the gear box structure.

2. A dual-input multi-output gearbox structure according to claim 1, characterized in that: The Class II output assemblies have six components, three of which are transmission-connected around the first rotating shaft (2), and the other three of which are transmission-connected around the second rotating shaft (3).

3. A dual-input multi-output gearbox structure according to claim 2, characterized in that: The first rotating shaft (2) and the second rotating shaft (3) are mirror-symmetrical about the axis connection plane of the three first output shafts (6), and the three first output shafts (6) are mirror-symmetrical about the axis connection plane of the first rotating shaft (2) and the second rotating shaft (3).

4. A dual-input multi-output gearbox structure according to claim 3, characterized in that: Internal teeth are provided on the inner sides of the lower case (1) and the upper case (11); the linkage gears (5) on both sides mesh with the internal teeth of the lower case (1); and the six driven gears (8) mesh with the internal teeth of the upper case (11).

Images