Crankshaft driver

Abstract

The invention discloses a crankshaft driver which can effectively transmit external rotary motion. A main body comprises a main box body, a middle main box body, a left box body cover, a right box body cover, a crankshaft transmission set, an electric drive lubricating oil pump and a flywheel. The crankshaft transmission set is divided into a first-stage crankshaft transmission set and a second-stage crankshaft transmission set, and the first-stage crankshaft transmission set and the second-stage crankshaft transmission set are divided into an up-down transmission set and a left-right transmission set. The up-down transmission set and the left-right transmission set of the first-stage crankshaft transmission set share one power input crankshaft which is a public power input crankshaft. The up-down transmission set and the left-right transmission set of the second-stage crankshaft transmission set share one power output half gear which is a public power output half gear.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of transmission, and particularly relates to a crankshaft transmission. BACKGROUND

[0002] The crankshaft transmission is one of the core mechanisms for realizing power conversion in many machines, and its main function is to convert the reciprocating linear motion of a piston into rotary motion and transmit the power to the transmission system of an external machine through a flywheel and other components. However, such a crankshaft transmission system can only convert the reciprocating linear motion into rotary motion, and cannot realize the transmission of external input rotary motion. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the present application provides a crankshaft transmission with the characteristics of strong practicability, high work efficiency and green environmental protection, which can effectively transmit external rotary motion.

[0004] The technical scheme adopted by the present application to solve the technical problem is to provide a crankshaft transmission.

[0005] The technical scheme of the present application is that the main body comprises a main box body, a left box cover, a right box cover, a crankshaft transmission group, an electric drive lubricating oil pump and a flywheel.

[0006] The main box body is a hollow cylindrical member with left and right cavities, and a bearing mounting block is arranged in the middle. A plurality of bearing holes are arranged on one side of the bearing mounting block in a cross-shaped arrangement, and a plurality of bearing holes are also arranged on the other side. A plurality of lubricating oil injection ports and a lubricating oil filling hole are arranged on the upper side of the main box body, and a lubricating oil discharge hole and an electric motor oil pump mounting hole are also arranged on the lower side. The right box cover is provided with a plurality of bearing holes arranged in a cross-shaped arrangement, and is also provided with a mounting screw hole. The left box cover is provided with a bearing hole and a mounting screw hole.

[0007] The crankshaft transmission group is divided into an upper and lower transmission group and a left and right transmission group.

[0008] The upper and lower transmission group and the left and right transmission group share a power input crankshaft, which is a common power input crankshaft.

[0009] The upper and lower transmission group and the left and right transmission group share a power output half gear, which is a common power output half gear.

[0010] The upper and lower transmission group comprises a common power input crankshaft, a lever, a gear crankshaft and a common power output half gear.

[0011] The common power input crankshaft is installed between the two levers of the up-down transmission group and the two levers of the left-right transmission group.

[0012] The two levers are respectively installed between the gear crankshaft and the power input crankshaft, and one of the two levers is clamped on the first crank neck of the common power input crankshaft, and the other lever is clamped on the crank neck of the two gear crankshafts.

[0013] The two gear crankshafts are respectively installed in the bearing mounting holes of the right box cover and the main box.

[0014] The left-right transmission group comprises levers, gear crankshafts, common power input crankshafts and common power output half gears.

[0015] The two levers are respectively installed between the gear crankshaft and the power input crankshaft, and one of the two levers is clamped on the first crank neck of the common power input crankshaft, and the other lever is clamped on the crank neck of the two gear crankshafts.

[0016] The two gear crankshafts are respectively installed in the bearing mounting holes of the right box cover and the main box.

[0017] The common power output half gear comprises a front shaft, a half gear and a power output spline shaft.

[0018] The electric drive lubricating oil pump is installed below the side surface of the main box.

[0019] The flywheel is installed on the power output spline shaft of the common power output half gear.

[0020] The flywheel is installed on the power output spline shaft of the common power output half gear. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a top view schematic diagram of the left and right transmission group of embodiment one Figure 2 is a schematic diagram of the common power input crankshaft of embodiment one Figure 3 is a schematic diagram of the lever of embodiment one and embodiment two Figure 4 is a schematic diagram of the gear crankshaft of embodiment one and embodiment two Figure 5 is a schematic diagram of the common power output half gear of embodiment one and embodiment two Figure 6 is a top view schematic diagram of the first level left and right transmission group of embodiment two Figure 7 is a schematic diagram of the second level upper and lower transmission group common power input half gear crankshaft of embodiment two DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clear and obvious, the present application will be further described below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and do not limit the present application.

[0023] The technical solution of the present application is: Embodiment one

[0024] A crankshaft transmission, the main body comprises, main box, left box cover, right box cover, crankshaft transmission group, electric drive lubricating oil pump, flywheel.

[0025] The main box is a hollow cylindrical member with left and right cavities, a bearing mounting block is arranged in the middle, a plurality of bearing holes are arranged on one side of the bearing mounting block in a cross shape, and a plurality of bearing holes are also arranged on the other side; a plurality of lubricating oil injection ports and a lubricating oil filling hole are arranged on the main box, and a lubricating oil discharge hole and an electric drive oil pump mounting hole are also arranged below. The right box cover is provided with a plurality of bearing holes arranged in a cross shape and a mounting screw hole. The left box cover is provided with a bearing hole and a mounting screw hole.

[0026] The crankshaft transmission group is divided into an upper and lower transmission group and a left and right transmission group.

[0027] The upper and lower transmission group and the left and right transmission group share a power input crankshaft, which is a common power input crankshaft.

[0028] The upper and lower transmission group and the left and right transmission group share a power output half gear, which is a common power output half gear.

[0029] The upper and lower transmission group comprises a common power input crankshaft, a lever, a gear crankshaft and a common power output half gear.

[0030] The common power input crankshaft comprises a power input spline shaft, a first crank journal, an intermediate shaft, a second crank journal and a rear end shaft.

[0031] The power input spline shaft is sequentially provided with a spline shaft, an installation shaft body and a large shaft body.

[0032] One end of the first crank journal is connected to the large shaft body of the power input spline shaft, and the other end is connected to the intermediate shaft. The vertical distance between the first crank journal and the center of the large shaft body of the power input spline shaft is not greater than the radius of the large shaft body of the power input spline shaft. The first crank journal is directly connected to the intermediate shaft and the power input spline shaft, forming a lever structure. The second crank journal is directly connected to the intermediate shaft and the rear end shaft, forming a lever structure.

[0033] The first crank journal and the second crank journal are perpendicular to each other on the intermediate shaft.

[0034] The balance weight is provided with four blocks, which are respectively arranged on the opposite sides of the shaft journal on the large shaft body of the power input spline shaft, the intermediate shaft and the large shaft body of the rear end shaft.

[0035] The rear end shaft is provided with a large shaft body and a bearing installation shaft body.

[0036] The lever of the upper and lower transmission group comprises two levers, which comprise a lever shaft and a transmission lever.

[0037] The structure of the front end shaft of the lever of the upper and lower transmission group is the same as that of the rear end shaft, and is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than that of the bearing mounting shaft body.

[0038] The gear crankshaft body comprises a power input shaft journal, a power output gear, a balance weight, and a front end shaft. The front end shaft is installed in the bearing mounting hole corresponding to the right box cover, and the power output gear is installed in the bearing mounting hole corresponding to the main box.

[0039] The power input shaft journal is arranged at the position of the large shaft body of the power output gear and the position of the large shaft body of the front end shaft, one end of the power input shaft journal is connected to the large shaft body of the power output gear, and the other end is connected to the large shaft body of the front end shaft. The distance between the power input shaft journal and the center of the large shaft body of the front end shaft is not greater than the radius of the large shaft body of the front end shaft. The power input shaft journal is directly connected to the front end shaft and the power output gear, forming a lever structure. The balance weight is provided with two blocks, which are arranged on the opposite sides of the shaft center of the large shaft body of the front end shaft and the large shaft body of the power output gear.

[0040] The power output gear is sequentially provided with a large shaft body, a mounting shaft body, and a gear. The diameter of the large shaft body is greater than that of the mounting shaft body, and the diameter of the mounting shaft body is greater than that of the gear.

[0041] The front end shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is greater than that of the bearing mounting shaft body.

[0042] The gear crankshafts of the upper and lower transmission groups are two in total, and the main body structure is consistent with that of the gear crankshafts of the left and right transmission groups. The front end shaft is installed in the bearing hole corresponding to the right box cover, and the power output gear is installed in the bearing hole corresponding to the main box.

[0043] The common power output half gear comprises a front end shaft, a half gear, and a power output spline shaft. The front end shaft is installed in the bearing hole corresponding to the main box.

[0044] The front end shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is greater than that of the bearing mounting shaft body.

[0045] The half gear is connected between the large shaft body of the front end shaft and the large shaft body of the power output spline shaft.

[0046] The power output spline shaft body comprises a large shaft body, a bearing mounting shaft body, and a spline shaft.

[0047] The half gear can engage the gears on the gear crankshafts of the two upper and lower transmission groups, and can also not engage the gears after rotating. No matter how the half gear rotates, it can engage the gear on the gear crankshaft of one of the upper and lower transmission groups.

[0048] The half gear can engage the gears on the gear crankshafts of the left and right transmission groups, and can disengage the gears after rotation, and can engage the gears on the gear crankshafts of the up and down transmission groups no matter how the half gear rotates.

[0049] The left and right transmission groups comprise a lever, a gear crankshaft, a common power input crankshaft and a common power output half gear.

[0050] The levers are provided in two, the main structure of which is consistent with that of the levers of the up and down transmission groups, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and the two levers are respectively located between the gear crankshafts of the left and right transmission groups and the common power input crankshaft, and the transmission rods of the two levers are jointly clamped in the second crank neck of the common power input crankshaft, and the other is clamped in the crank neck of the gear crankshafts of the left and right transmission groups.

[0051] The gear crankshafts of the left and right transmission groups are provided in two, the main structure of which is consistent with that of the gear crankshafts of the up and down transmission groups, the front end shaft is installed in the bearing hole corresponding to the right box cover, and the power output gear is installed in the bearing hole corresponding to the main box.

[0052] The electric drive lubricating oil pump is installed below the side surface of the left crankshaft box.

[0053] The flywheel is installed on the power output spline shaft of the common power output half gear. Embodiment two

[0054] A crankshaft transmission device, the main body of which comprises a main box, a right box cover, an intermediate main box, a left box cover, a crankshaft transmission group, a power output half gear and a lubricating oil pump.

[0055] The main box is a hollow cylindrical member with left and right cavities, a bearing mounting block is arranged in the middle, a plurality of bearing holes are arranged on one side of the bearing mounting block in a cross shape, a plurality of bearing holes are also arranged on the other side in a cross shape; a lubricating oil injection port and a lubricating oil filling hole are arranged above the main box; the main box is also provided with a plurality of mounting screw holes.

[0056] The right box cover is provided with a plurality of bearing holes arranged in a cross shape, and is also provided with mounting screw holes.

[0057] The intermediate main box is a hollow cylindrical member with left and right cavities, a bearing mounting block is arranged in the middle, a plurality of bearing holes are arranged on one side of the bearing mounting block in a cross shape, and a power output half gear bearing hole is also arranged on the other side; a plurality of lubricating oil injection ports are arranged above the intermediate main box, and an electric drive lubricating oil pump mounting hole and a lubricating oil discharge hole are also arranged below; the intermediate main box is also provided with a plurality of mounting screw holes.

[0058] The left box cover is provided with a bearing hole and a mounting screw hole.

[0059] The right box cover, the main box, the intermediate main box and the left box cover are fixed together by screws.

[0060] The crankshaft transmission component is composed of a primary crankshaft transmission component and a secondary crankshaft transmission component.

[0061] The primary crankshaft transmission component: The primary crankshaft transmission component is composed of an up-down transmission component and a left-right transmission component.

[0062] The up-down transmission component and the left-right transmission component share a power input crankshaft, which is a common power input crankshaft.

[0063] The up-down transmission component mainly comprises a common power input crankshaft, a lever and a gear crankshaft.

[0064] The common power input crankshaft mainly comprises a power input spline shaft, a primary crank journal, an intermediate shaft, a secondary crank journal and a rear end shaft. The power input spline shaft is installed in the bearing hole corresponding to the right box cover, and the rear end shaft is installed in the bearing hole corresponding to the main box. After installation, the common power input crankshaft is located between the two levers of the up-down transmission component and between the two levers of the left-right transmission component.

[0065] The power input spline shaft is sequentially provided with a spline shaft, a mounting shaft body and a large shaft body. The diameter of the large shaft body is larger than that of the mounting shaft body, and the diameter of the mounting shaft body is larger than that of the spline shaft.

[0066] One end of the primary crank journal is connected to the large shaft body of the power input spline shaft, and the other end is connected to the intermediate shaft. The vertical distance between the primary crank journal and the center of the large shaft body of the power input spline shaft is not greater than the radius of the large shaft body of the power input spline shaft. The primary crank journal is directly connected to the intermediate shaft and the power input spline shaft, forming a lever structure. One end of the intermediate shaft is connected to the primary crank journal, and the other end is connected to the secondary crank journal. One end of the secondary crank journal is connected to the large shaft body of the rear end, and the other end is connected to the intermediate shaft. The vertical distance between the secondary crank journal and the center of the large shaft body of the rear end shaft is not greater than the radius of the large shaft body of the rear end shaft. The secondary crank journal is directly connected to the intermediate shaft and the rear end shaft, forming a lever structure.

[0067] The primary crank journal and the secondary crank journal are perpendicular to each other on the intermediate shaft.

[0068] The balance weight is provided with four blocks, which are respectively arranged on the opposite sides of the shaft journal on the large shaft body of the power input spline shaft, the intermediate shaft and the large shaft body of the rear end shaft. The intermediate shaft is provided with two balance weights.

[0069] The rear end shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than that of the bearing mounting shaft body.

[0070] The lever has two, the main body includes a lever shaft, a transmission lever, the lever shaft is provided with a front end shaft and a rear end shaft, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and is respectively arranged between the gear crankshaft and the power input crankshaft, and the transmission lever of the two levers is clamped in the first crank neck of the common power input crankshaft, and the other is clamped in the crank neck of the two gear crankshafts.

[0071] The structure of the front end shaft of the lever of the upper and lower transmission group is the same as that of the rear end shaft, is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than that of the bearing mounting shaft body, the transmission lever is arranged on the side surface between the large shaft body of the front end shaft and the large shaft body of the rear end shaft, and there are two, which are similar to the concave shape.

[0072] The gear crankshaft has two, the main body includes a front end shaft, a power input crank neck and a power output gear; the front end shaft is installed in the bearing hole corresponding to the right box cover, and the power output gear is installed in the bearing hole corresponding to the main box.

[0073] The power input shaft neck is arranged at the circular edge position of the large shaft body of the power output gear and the circular edge position of the large shaft body of the front end shaft, one end is connected with the large shaft body of the power output gear, the other end is connected with the large shaft body of the front end shaft, and the distance between the power input connecting rod shaft neck and the center of the large shaft body of the front end shaft is not greater than the radius of the large shaft body of the front end shaft. The power input shaft neck is directly connected with the front end shaft and the power output gear, forming a lever structure. The balance weight has two, which are respectively arranged on the opposite sides of the shaft center of the power input shaft neck in the large shaft body of the front end shaft and the large shaft body of the power output gear.

[0074] The power output gear is sequentially provided with a large shaft body, a mounting shaft body and a gear; the diameter of the large shaft body is larger than that of the mounting shaft body, and the diameter of the mounting shaft body is larger than that of the gear.

[0075] The front end shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than that of the bearing mounting shaft body.

[0076] The left and right transmission group includes a lever, a gear crankshaft and a common power input crankshaft.

[0077] The lever has two, the main body structure is the same as that of the lever of the upper and lower transmission group, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and is respectively arranged between the gear crankshaft and the power input crankshaft of the left and right transmission group, and the transmission lever of the two levers is clamped in the second crank neck of the common power input crankshaft, and the other is clamped in the crank neck of the two gear crankshafts of the left and right transmission group.

[0078] The gear crankshafts of the left and right transmission groups are two in total, and the main body structure is consistent with the gear crankshafts of the upper and lower transmission groups; the front end shaft is installed in the bearing mounting hole corresponding to the right box cover, and the power output gear is installed in the bearing hole corresponding to the main box.

[0079] The secondary crankshaft transmission group: The secondary crankshaft transmission group is divided into upper and lower transmission groups and left and right transmission groups.

[0080] The upper and lower transmission groups and the left and right transmission groups share one power input crankshaft, which is a common power input half gear crankshaft, and share one power output half gear, which is a common power output half gear.

[0081] The upper and lower transmission group mainly includes a common power input half gear crankshaft, a lever, a gear crankshaft, and a common power output half gear.

[0082] The common power input half gear crankshaft mainly includes a power input half gear, a primary crank neck, an intermediate shaft, a secondary crank neck, and a rear end shaft. The power input half gear is installed in the bearing hole corresponding to the main box, and the rear end shaft is installed in the bearing hole corresponding to the intermediate main box. The common power input half gear crankshaft is installed between the two levers of the upper and lower transmission group and between the two levers of the left and right transmission group of the secondary crankshaft transmission group.

[0083] The power input half gear is sequentially provided with an installation shaft body, a large shaft body, and a half gear.

[0084] One end of the primary shaft neck is connected to the half gear, and the other end is connected to the intermediate shaft. The primary shaft neck is directly connected to the intermediate shaft and the half gear, forming a lever structure. One end of the intermediate shaft is connected to the primary crank neck, and the other end is connected to the secondary crank neck. One end of the secondary shaft neck is connected to the large shaft body of the rear end, and the other end is connected to the intermediate shaft. The vertical distance between the secondary shaft neck and the center of the large shaft body of the rear end shaft is not greater than the radius of the large shaft body of the rear end shaft. The secondary shaft neck is directly connected to the intermediate shaft and the rear end shaft, forming a lever structure.

[0085] The primary crank neck and the secondary crank neck are perpendicular to each other on the intermediate shaft.

[0086] The balance weight is provided with four blocks, which are respectively arranged on the opposite sides of the shaft necks of the half gear, the intermediate shaft, and the large shaft body of the rear end shaft. Among them, the intermediate shaft is provided with two balance weights.

[0087] The rear end shaft is provided with a large shaft body and a bearing mounting shaft body. The diameter of the large shaft body is greater than the diameter of the bearing mounting shaft body.

[0088] The lever is two in total, and the main body includes a front end shaft, The two levers have the same structure as the lever of the first-stage crankshaft transmission group, the front end shaft is installed in the bearing hole corresponding to the main box body, the rear end shaft is installed in the bearing hole corresponding to the middle main box body, and is respectively arranged between the gear crankshaft and the common power input half gear crankshaft, and the transmission rods of the two levers are jointly clamped on the first-stage crank neck of the common power input half gear crankshaft, and the other is clamped on the crank neck of the two gear crankshafts.

[0089] The two gear crankshafts have the same structure as the gear crankshafts of the first-stage crankshaft transmission group; the front end shaft is installed in the bearing hole corresponding to the main box body, and the power output gear is installed in the bearing hole corresponding to the middle main box body.

[0090] The common power output half gear has a front end shaft, a half gear and a power output spline shaft; the front end shaft is installed in the bearing hole corresponding to the main box body, and the power output spline shaft is installed in the bearing hole corresponding to the left box cover.

[0091] The front end shaft is provided with a large shaft body and a bearing installation shaft body, and the diameter of the large shaft body is larger than that of the bearing installation shaft body.

[0092] The half gear is connected to the large shaft body of the front end shaft and the large shaft body of the power output spline shaft.

[0093] The power output spline shaft body includes a large shaft body, a bearing installation shaft body and a spline shaft.

[0094] The left and right transmission groups include a lever, a gear crankshaft, a common power input half gear crankshaft and a common power output half gear.

[0095] The two levers have the same structure as the lever of the first-stage crankshaft transmission group, the front end shaft is installed in the bearing hole corresponding to the main box body, the rear end shaft is installed in the bearing hole corresponding to the middle main box body, and is respectively arranged between the gear crankshaft and the common power input half gear crankshaft, and the transmission rods of the two levers are jointly clamped on the first-stage crank neck of the common power input half gear crankshaft, and the other is clamped on the crank neck of the two gear crankshafts.

[0096] The two gear crankshafts have the same structure as the gear crankshafts of the first-stage crankshaft transmission group; the front end shaft is installed in the bearing hole corresponding to the main box body, and the power output gear is installed in the bearing hole corresponding to the middle main box body.

[0097] The half gear of the power input half gear crankshaft of the secondary crankshaft transmission group can engage the gear of the gear crankshafts of the two upper and lower transmission groups of the primary crankshaft transmission group, and can disengage with rotation, and can engage the gear of the gear crankshaft of the upper and lower transmission group of the primary crankshaft transmission group no matter how the power input half gear crankshaft of the secondary crankshaft transmission group rotates; the power input half gear crankshaft of the secondary crankshaft transmission group can engage the gear of the gear crankshafts of the two left and right transmission groups of the primary crankshaft transmission group, and can disengage with rotation, and can engage the gear of the gear crankshaft of the upper and lower transmission group of the primary crankshaft transmission group no matter how the power input half gear crankshaft of the secondary crankshaft transmission group rotates.

[0098] The power output half gear of the secondary crankshaft transmission group can engage the gear of the gear crankshafts of the two upper and lower transmission groups of the secondary crankshaft transmission group, and can disengage with rotation, and can engage the gear of the gear crankshaft of the upper and lower transmission group of the secondary crankshaft transmission group no matter how the power output half gear of the secondary crankshaft transmission group rotates; the power output half gear of the secondary crankshaft transmission group can engage the gear of the gear crankshafts of the two left and right transmission groups of the secondary crankshaft transmission group, and can disengage with rotation, and can engage the gear of the gear crankshaft of the upper and lower transmission group of the secondary crankshaft transmission group no matter how the power output half gear of the secondary crankshaft transmission group rotates.

[0099] The lubricating oil pump is installed below the middle main body.

[0100] In summary, the crankshaft transmission device has the characteristics of high practicability, high work efficiency and green environmental protection, and can effectively transmit the external rotary motion.

[0101] The above is only the preferred embodiment for explanation and illustration, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall fall within the protection scope of the present application.

Claims

1. A crankshaft drive according to claim 1, characterised in that Main box, right box cover, intermediate main box, left box cover, crankshaft transmission group, power output half gear, electric drive lubricating oil pump; The main box is a hollow cylindrical member with a bearing mounting block in the middle, a plurality of bearing holes arranged in a cross shape on one side of the bearing mounting block, and a plurality of bearing holes arranged in a cross shape on the other side; the main box is provided with lubricating oil injection ports and lubricating oil filling holes above; the main box is also provided with a plurality of mounting screw holes; The right box cover is provided with a plurality of bearing holes arranged in a cross shape and mounting screw holes; The intermediate main box is a hollow cylindrical member with a bearing mounting block in the middle, a plurality of bearing holes arranged in a cross shape on one side of the bearing mounting block, and a power output half gear bearing hole on the other side; the intermediate main box is provided with a plurality of lubricating oil injection ports above, an electric drive lubricating oil pump mounting hole and a lubricating oil discharge hole below; the intermediate main box is also provided with a plurality of mounting screw holes; The left box cover is provided with bearing hole mounting screw holes; The right box cover, main box, intermediate main box and left box cover are fixed together by screws; The crankshaft transmission group is divided into a primary crankshaft transmission group and a secondary crankshaft transmission group; Primary crankshaft transmission group: The primary crankshaft transmission group is divided into an up-down transmission group and a left-right transmission group; The up-down transmission group and the left-right transmission group share a power input crankshaft, which is a common power input crankshaft; The up-down transmission group mainly includes a common power input crankshaft, a lever, and a gear crankshaft; The common power input crankshaft mainly includes a power input spline shaft, a primary crank neck, an intermediate shaft, a secondary crank neck, and a rear end shaft; the power input spline shaft is installed in the corresponding bearing hole of the right box cover, and the rear end shaft is installed in the corresponding bearing hole of the main box; after installation, the common power input crankshaft is located between the two levers of the up-down transmission group and between the two levers of the left-right transmission group; There are two levers in total, which mainly include a lever shaft and a transmission lever; the lever shaft is provided with a front end shaft and a rear end shaft; the front end shaft is installed in the corresponding bearing hole of the right box cover, and the rear end shaft is installed in the corresponding bearing hole of the main box; they are respectively located between the gear crankshaft and the power input crankshaft, and one transmission lever of the two levers is clamped on the primary crank neck of the common power input crankshaft, and the other is clamped on the crank neck of the two gear crankshafts; The structure of the front end shaft of the lever of the up-down transmission group is the same as that of the rear end shaft, which is provided with a large shaft body and a bearing mounting shaft body; the diameter of the large shaft body is larger than that of the bearing mounting shaft body; the transmission lever is arranged on the side surface between the large shaft body of the front end shaft and the large shaft body of the rear end shaft, and there are two of them, similar to a concave shape; There are two gear crankshafts in total, which mainly include a front end shaft, a power input crank neck, and a power output gear; the front end shaft is installed in the corresponding bearing hole of the right box cover, and the power output gear is installed in the corresponding bearing hole of the main box; The left-right transmission group mainly includes a lever, a gear crankshaft, and a common power input crankshaft; The two levers are provided with two levers, the main body structure is the same as that of the levers of the upper and lower transmission groups, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and the two levers are respectively located between the gear crankshafts of the left and right transmission groups and the common power input crankshaft, and one transmission rod of the two levers is commonly clamped on the second crank neck of the common power input crankshaft, and the other is respectively clamped on the crank necks of the two gear crankshafts of the left and right transmission groups. The two gear crankshafts of the left and right transmission groups are consistent in the main body structure with the gear crankshafts of the upper and lower transmission groups; the front end shaft is installed in the bearing mounting hole corresponding to the right box cover, and the power output gear is installed in the bearing hole corresponding to the main box. The second crankshaft transmission group: The second crankshaft transmission group is divided into upper and lower transmission groups and left and right transmission groups. The upper and lower transmission groups and the left and right transmission groups share a power input crankshaft, which is a common power input half gear crankshaft, and a power output half gear, which is a common power output half gear. The upper and lower transmission groups, the main body includes a common power input half gear crankshaft, a lever, a gear crankshaft, and a common power output half gear. The common power input half gear crankshaft includes a power input half gear, a first crank neck, an intermediate shaft, a second crank neck, and a rear end shaft. The power input half gear is installed in the bearing hole corresponding to the main box, and the rear end shaft is installed in the bearing hole corresponding to the intermediate main box. The common power input half gear crankshaft is installed between the two levers of the upper and lower transmission groups of the second crankshaft transmission group and between the two levers of the left and right transmission groups. The two levers are provided with two levers, the main body structure is the same as that of the levers of the upper and lower transmission groups, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and the two levers are respectively located between the gear crankshafts of the left and right transmission groups and the common power input crankshaft, and one transmission rod of the two levers is commonly clamped on the second crank neck of the common power input crankshaft, and the other is respectively clamped on the crank necks of the two gear crankshafts of the left and right transmission groups. The two gear crankshafts are consistent in the main body structure with the gear crankshafts of the first crankshaft transmission group; the front end shaft is installed in the bearing hole corresponding to the main box, and the power output gear is installed in the bearing hole corresponding to the intermediate main box. The common power output half gear includes a front end shaft, a half gear, and a power output spline shaft. The front end shaft is installed in the bearing hole corresponding to the main box, and the power output spline shaft is installed in the bearing hole corresponding to the left box cover. The left and right transmission groups, the main body includes a lever, a gear crankshaft, a common power input half gear crankshaft, and a common power output half gear. The two levers are provided with two levers, the main body structure is the same as that of the levers of the upper and lower transmission groups, the front end shaft is installed in the bearing hole corresponding to the right box cover, the rear end shaft is installed in the bearing hole corresponding to the main box, and the two levers are respectively located between the gear crankshafts of the left and right transmission groups and the common power input crankshaft, and one transmission rod of the two levers is commonly clamped on the second crank neck of the common power input crankshaft, and the other is respectively clamped on the crank necks of the two gear crankshafts of the left and right transmission groups. The two gear crankshafts of the left and right transmission groups have the same main body structure as the gear crankshafts of the upper and lower transmission groups; the front end shaft is installed in the bearing hole of the main box body, and the power output gear is installed in the bearing hole of the middle main box body. The electric drive lubricating oil pump is installed below the middle main box body.

2. A crankshaft drive according to claim 1, characterised in that The half gear of the common power input half gear crankshaft of the secondary crankshaft transmission group can engage the gears on the two upper and lower transmission group gear crankshafts of the primary crankshaft transmission group, and can disengage with rotation, and no matter how the power input half gear crankshaft of the secondary transmission group rotates, it can engage the gear on the upper and lower transmission group gear crankshaft of the primary crankshaft transmission group; the power input half gear crankshaft of the secondary crankshaft transmission group can engage the gears on the two left and right transmission group gear crankshafts of the primary crankshaft transmission group, and can disengage with rotation, and no matter how the common power input half gear crankshaft of the secondary crankshaft transmission group rotates, it can engage the gear on the upper and lower transmission group gear crankshaft of the primary crankshaft transmission group.

3. A crankshaft drive according to claim 1, characterised in that The power output half gear of the secondary crankshaft transmission group can engage the gears on the two upper and lower transmission group gear crankshafts of the secondary crankshaft transmission group, and can disengage with rotation, and no matter how the power output half gear of the secondary crankshaft transmission group rotates, it can engage the gear on the upper and lower transmission group gear crankshaft of the secondary crankshaft transmission group; the power output half gear of the secondary crankshaft transmission group can engage the gears on the two left and right transmission group gear crankshafts of the secondary crankshaft transmission group, and can disengage with rotation, and no matter how the power output half gear of the secondary crankshaft transmission group rotates, it can engage the gear on the upper and lower transmission group gear crankshaft of the secondary crankshaft transmission group.

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