Gearbox module and operation machine

Abstract

The utility model relates to the technical field of operation machines, and discloses a gearbox module and an operation machine. The gearbox module is a 32F + 32R gearbox module and comprises a shuttle-type gear module, a main variable-speed gear module, an auxiliary variable-speed gear module and a creeper gear module which are in transmission in sequence and detachably connected, the shuttle-type gear module is provided with a power input shaft, and the power input shaft is used for being in transmission connection with a power supply module in the operation machine through a clutch; the shuttle type gear module is provided with a forward gear and a backward gear which can be switched, each of the main speed change gear module and the auxiliary speed change gear module is provided with four speed change gears which can be switched, and the creeper gear module is provided with two creeper gears which can be switched. The 32F + 32R gearbox module disclosed by the utility model has various speed spectrums, is applied to the operation machinery, can realize continuous adjustment of cultivation and transportation, is higher in fuel economy, and improves the adaptability of the operation machinery to different working conditions, so that the problems of insufficient gear density and low reversing efficiency in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of working machines, and particularly relates to a gearbox module and a working machine. BACKGROUND

[0002] In the field of agricultural working machines, a transmission system assembly, as a core transmission component of an agricultural machine, directly affects working efficiency, energy consumption and operation experience.

[0003] In a conventional transmission system assembly, the number of gear positions of a mechanical gear shifting gearbox bridge assembly is typically configured as 8F+8R, 16F+8R, 16F+16R, etc., and a reverse gear is realized by adding a idler wheel to a main gearbox.

[0004] Therefore, the conventional transmission system assembly has the following problems: (1) insufficient gear position density: when switching between plowing and transportation working conditions, there is a large speed ratio step span, few adapted vehicle speeds, and poor fuel economy; (2) low reverse efficiency: the speed spectrum of the reverse gear is single, and the adaptability to special working conditions is poor. CONTENT OF THE INVENTION

[0005] The application aims to provide a gearbox module and a working machine, and solve the problems of insufficient gear position density and low reverse efficiency of the conventional transmission system assembly in the prior art.

[0006] In order to achieve the above-mentioned purpose, the first aspect of the application provides a gearbox module applied to a working machine, the gearbox module is a 32F+32R gearbox module and includes a shuttle gear module, a main gear shifting gear module, a sub gear shifting gear module and a crawling gear module which are sequentially connected and detachably connected, the shuttle gear module has a power input shaft, and the power input shaft is used for transmission connection with a power supply module in the working machine through a clutch.

[0007] The shuttle gear module has switchable forward gears and reverse gears, the main gear shifting gear module and the sub gear shifting gear module each have four switchable gear shifting gears, and the crawling gear module has two switchable crawling gears.

[0008] As a further improvement of the above-mentioned technical solution:

[0009] In some embodiments, the shuttle gear module further includes a shuttle gear position mechanism and a first transition transmission mechanism.

[0010] The shuttle gear position mechanism includes a forward gear, a shuttle synchronizer and a reverse gear which are sequentially arranged along the axial direction of the power input shaft, the reverse gear is rotatably arranged on the power input shaft, and the forward gear is in transmission connection with an input end in the main gear shifting gear module.

[0011] The first transition transmission mechanism is rotatably arranged in the shuttle gear module and is in meshing transmission with the reverse gear and the forward gear respectively.

[0012] The power input shaft is provided with a shuttle transmission gear in meshing transmission with the shuttle synchronizer, and the shuttle synchronizer is switched between the forward gear and the reverse gear to selectively connect the shuttle transmission gear with the reverse gear or the forward gear.

[0013] In some embodiments, the first transition transmission mechanism is a double gear structure.

[0014] The first transition transmission mechanism includes a first linkage gear and a second linkage gear, and the first linkage gear and the second linkage gear are connected by a connecting body to form an integral whole.

[0015] In some embodiments, the main gear module includes a first transmission shaft, a second transmission shaft, a first main gear mechanism, and a second main gear mechanism.

[0016] The first transmission shaft is in transmission connection with the output end of the shuttle gear module, and the first transmission shaft is provided with a first main transmission gear, a second main transmission gear, and the first main gear mechanism arranged in sequence along the axial direction of the first transmission shaft.

[0017] The second transmission shaft is in transmission connection with the input end of the auxiliary gear module, and the second transmission shaft is provided with the second main gear mechanism, a third main transmission gear, and a fourth main transmission gear arranged in sequence along the axial direction of the second transmission shaft.

[0018] The first main gear mechanism and the second main gear mechanism are both used to selectively transmit the power of the first transmission shaft to the second transmission shaft.

[0019] The first main gear mechanism has two output sides in meshing transmission with the corresponding third main transmission gear and fourth main transmission gear respectively, and the second main gear mechanism has two input sides in meshing transmission with the corresponding first main transmission gear and second main transmission gear respectively.

[0020] In some embodiments, the first main variable shift gear mechanism comprises a first main gear wheel, a first main variable shift synchronizer and a second main gear wheel arranged in sequence along the axial direction of the first transmission shaft, the first main gear wheel and the second main gear wheel are rotatably arranged on the first transmission shaft and are arranged at two output sides of the first main variable shift gear mechanism respectively, the first main gear wheel is in mesh with the third main transmission gear, and the second main gear wheel is in mesh with the fourth main transmission gear, wherein the first transmission shaft is provided with a fifth main transmission gear in mesh with the first main variable shift synchronizer, and the first main variable shift synchronizer is used to perform gear shifting to selectively connect the fifth main transmission gear with the first main gear wheel or the second main gear wheel in transmission.

[0021] In some embodiments, the second main variable shift gear mechanism comprises a third main gear wheel, a second main variable shift synchronizer and a fourth main gear wheel arranged in sequence along the axial direction of the second transmission shaft, the third main gear wheel and the fourth main gear wheel are rotatably arranged on the second transmission shaft and are arranged at two input sides of the second main variable shift gear mechanism respectively, the third main gear wheel is in mesh with the first main transmission gear, and the fourth main gear wheel is in mesh with the second main transmission gear, the second transmission shaft is provided with a sixth main transmission gear in mesh with the second main variable shift synchronizer, and the second main variable shift synchronizer is used to perform gear shifting to selectively connect the sixth main transmission gear with the third main gear wheel and the fourth main gear wheel in transmission.

[0022] In some embodiments, the first transmission shaft is sleeved on the power input shaft and is rotatably connected to the power input shaft through a bearing.

[0023] In some embodiments, the auxiliary variable shift gear module comprises a third transmission shaft, a fourth transmission shaft, a first auxiliary variable shift gear mechanism and a second auxiliary variable shift gear mechanism.

[0024] The third transmission shaft is provided with the first auxiliary variable shift gear mechanism and the second auxiliary variable shift gear mechanism arranged in sequence along the axial direction of the third transmission shaft, and an end of the third transmission shaft away from the first auxiliary variable shift gear mechanism is in transmission connection with the input end of the crawl gear module.

[0025] The fourth transmission shaft is provided with a first auxiliary transmission gear, a second auxiliary transmission gear, a third auxiliary transmission gear and a fourth auxiliary transmission gear arranged in sequence along the axial direction of the fourth transmission shaft.

[0026] The first auxiliary variable shift gear mechanism and the second auxiliary variable shift gear mechanism are both used to selectively transmit the power output by the main variable shift gear module to the third transmission shaft.

[0027] The first sub-transmission gearshift mechanism and the second sub-transmission gearshift mechanism each have two input sides, one input side of the first sub-transmission gearshift mechanism is in transmission connection with the output end of the main transmission gearshift module and in mesh transmission with the first sub-transmission gear, and the other input side of the first sub-transmission gearshift mechanism is in mesh transmission with the second sub-transmission gear; one input side of the second sub-transmission gearshift mechanism is in mesh transmission with the third sub-transmission gear, and the other input side of the second sub-transmission gearshift mechanism is in mesh transmission with the fourth sub-transmission gear.

[0028] In some embodiments, the first sub-transmission gearshift mechanism includes a first sub-gearshift gear, a first sub-transmission synchronizer and a second sub-gearshift gear arranged in sequence along the axial direction of the third transmission shaft, the first sub-gearshift gear and the second sub-gearshift gear are rotatably arranged on the third transmission shaft and are arranged at the two input sides of the first sub-transmission gearshift mechanism respectively, the first sub-gearshift gear is in transmission connection with the output end of the main transmission gearshift module and in mesh transmission with the first sub-transmission gear, and the second sub-gearshift gear is in mesh transmission with the second sub-transmission gear, wherein the third transmission shaft is provided with a fifth sub-transmission gear in mesh transmission with the first sub-transmission synchronizer, and the first sub-transmission synchronizer is used to perform gearshift switching to selectively connect the fifth sub-transmission gear in transmission with the first sub-gearshift gear or the second sub-gearshift gear.

[0029] In some embodiments, the second sub-transmission gearshift mechanism includes a third sub-gearshift gear, a second sub-transmission synchronizer and a fourth sub-gearshift gear arranged in sequence along the axial direction of the third transmission shaft, the third sub-gearshift gear and the fourth sub-gearshift gear are rotatably arranged on the third transmission shaft and are arranged at the two input sides of the second sub-transmission gearshift mechanism respectively, the third sub-gearshift gear is in mesh transmission with the third sub-transmission gear, and the fourth sub-gearshift gear is in mesh transmission with the fourth sub-transmission gear, wherein the third transmission shaft is further provided with a sixth sub-transmission gear in mesh transmission with the second sub-transmission synchronizer, and the second sub-transmission synchronizer is used to perform gearshift switching to selectively connect the sixth sub-transmission gear in transmission with the third sub-transmission gear or the fourth sub-transmission gear.

[0030] In some embodiments, the crawl gearshift module further includes a power output shaft, a crawl gearshift mechanism and a second transition transmission mechanism.

[0031] The crawl gearshift mechanism includes a first crawl gearshift gear, a crawl synchronizer and a second crawl gearshift gear arranged in sequence along the axial direction of the power output shaft, the first crawl gearshift gear and the second crawl gearshift gear are rotatably arranged on the power output shaft, and the first crawl gearshift gear is in transmission connection with the output end of the sub-transmission gearshift module.

[0032] The second transition transmission mechanism is rotatably arranged in the crawl gear module and is in meshing transmission with the first crawl gear and the second crawl gear, respectively.

[0033] The power output shaft is provided with a crawl transmission gear in meshing transmission with the crawl synchronizer, and the crawl synchronizer is used to perform gear switching to selectively connect the crawl transmission gear with the first crawl gear or the second crawl gear.

[0034] The second aspect of the present application provides a working machine comprising a power supply module and the gearbox module according to the first aspect.

[0035] Compared with the prior art, the present application provides a gearbox module and a working machine, which at least have the following beneficial effects:

[0036] The gearbox module provided by the present application is a 32F+32R gearbox module, wherein the power input shaft of the shuttle gear module is in transmission connection with the power supply module in the working machine through a clutch, and then the power is transmitted through the sequentially transmission-connected shuttle gear module, main transmission gear module, auxiliary transmission gear module and crawl gear module, and finally the power is outputted outwards through the crawl gear module, wherein the shuttle gear module has switchable forward and reverse gears, the main transmission gear module and the auxiliary transmission gear module each have four switchable transmission gears, and the crawl gear module has two switchable crawl gears, thereby realizing a 2×4×4×2 gear layout, arranging 32 forward speed gears and 32 reverse speed gears, diversifying the speed spectrum, applying to the working machine, realizing continuous adjustment of tillage and transportation, improving fuel economy, and improving the adaptability of the working machine to different working conditions, thereby solving the problems of insufficient gear density and low reverse efficiency.

[0037] Furthermore, the 32F+32R gearbox module is modularly arranged, and the modules are detachably connected, so that subsequent maintenance is more convenient, the maintenance time and cost are reduced, and the working efficiency is improved.

[0038] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0039] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. For those skilled in the art, other drawings can be obtained from the structures shown in the drawings without creative labor. In the drawings:

[0040] Figure 1 A three-dimensional structural schematic diagram of a transmission module hidden shell rear and rear axle module transmission connection provided for an embodiment of the present application;

[0041] Figure 2 A transmission module structural schematic diagram provided for an embodiment of the present application;

[0042] Figure 3 For Figure 2 A structural schematic diagram of a main transmission gear module in the transmission module shown;

[0043] Figure 4 For Figure 2 A structural schematic diagram of a sub-transmission gear module in the transmission module shown.

[0044] Explanation of reference signs

[0045] 100, 32F+32R transmission module;

[0046] 110, shuttle gear module; 111, power input shaft; 111a, shuttle transmission gear; 112, shuttle gear mechanism; 1120, forward gear, 1121, shuttle synchronizer; 1122, reverse gear; 113, first transition transmission mechanism; 1130, first linkage gear; 1131, second linkage gear;

[0047] 120, main transmission gear module; 121, first transmission shaft; 121a, first main transmission gear; 121b, second main transmission gear; 121c, fifth main transmission gear; 122, second transmission shaft; 122a, third main transmission gear; 122b, fourth main transmission gear; 122c, sixth main transmission gear; 123, first main transmission gear mechanism; 1230, first main gear; 1231, first main transmission synchronizer; 1232, second main gear; 124, second main transmission gear mechanism; 1240, third main gear; 1241, second main transmission synchronizer; 1242, fourth main gear;

[0048] 130, sub-transmission gear module; 131, third transmission shaft; 131a, fifth sub-transmission gear; 131b, sixth sub-transmission gear; 132, fourth transmission shaft; 132a, first sub-transmission gear; 132b, second sub-transmission gear; 132c, third sub-transmission gear; 132d, fourth sub-transmission gear; 133, first sub-transmission gear mechanism; 1330, first sub-gear; 1331, first sub-transmission synchronizer; 1332, second sub-gear; 134, second sub-transmission gear mechanism; 1340, third sub-gear; 1341, second sub-transmission synchronizer; 1342, fourth sub-gear;

[0049] 140, crawl gear module; 141, power output shaft; 141a, crawl transmission gear; 142, crawl gear mechanism; 1420, first crawl gear gear; 1421, crawl synchronizer; 1422, second crawl gear gear; 143, second transition transmission mechanism; 1430, first crawl transmission gear; 1431, second crawl transmission gear; 1432, crawl transmission shaft;

[0050] 200, power supply module;

[0051] 300, clutch;

[0052] 400, rear axle module. DETAILED DESCRIPTION

[0053] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0054] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0055] Please refer to Figure 1 and Figure 2 The present embodiment provides a gearbox module, which is applied to a working machine. Wherein, the gearbox module is a 32F+32R gearbox module 100. The 32F+32R gearbox module 100 can provide a rich speed spectrum for the working machine, so as to improve the adaptability of the working machine to different working conditions.

[0056] The 32F+32R gearbox module 100 provided by the present embodiment comprises: a shuttle gear module 110, a main gear module 120, an auxiliary gear module 130 and a crawl gear module 140 which are sequentially connected in transmission. Specifically, in the present embodiment, the shuttle gear module 110, the main gear module 120, the auxiliary gear module 130 and the crawl gear module 140 are integrated as separate modules.

[0057] Further, the shuttle gear module 110, the main gear module 120, the auxiliary gear module 130 and the crawl gear module 140 are arranged in a straight line direction in sequence, and two adjacent modules among the shuttle gear module 110, the main gear module 120, the auxiliary gear module 130 and the crawl gear module 140 are detachably connected, for example, the modules and the housings of the modules are detachably connected by bolts.

[0058] The shuttle gear module 110 has a power input shaft 111 for transmission connection with the power supply module 200 in the working machine through the clutch 300. The crawl gear module 140 has a power output shaft 141 for transmission connection with the differential in the rear axle module 400 of the working machine.

[0059] The shuttle gear module 110 has switchable forward and reverse gears, the main transmission gear module 120 and the auxiliary transmission gear module 130 each have four switchable transmission gears, and the crawl gear module 140 has two switchable crawl gears.

[0060] Therefore, the 32F+32R gearbox module 100 provided by the embodiment realizes the layout of 2x4x4x2 gears, and further realizes the transmission route arrangement of 32 forward gears and 32 reverse gears, and the speed spectrum is diverse. When applied to a working machine, continuous adjustment of plowing and transportation can be realized, fuel economy is higher, and the adaptability of the working machine to different working conditions is improved, thereby solving the problems of insufficient gear density and low reverse efficiency.

[0061] In addition, the 32F+32R gearbox module 100 adopts a modular design, and the modules are connected in a detachable manner. When subsequent maintenance is performed, it is more convenient, the maintenance time and cost are reduced, and the working efficiency is improved.

[0062] In order to more clearly describe the technical solutions of the present application, the modules in the 32F+32R gearbox module 100 provided by the embodiment are described below.

[0063] Please refer to Figure 1 and Figure 2 The above-mentioned shuttle gear module 110 further comprises a shuttle gear mechanism 112 and a first transition transmission mechanism 113. The shuttle gear mechanism 112 comprises a forward gear 1120, a shuttle synchronizer 1121 and a reverse gear 1122 arranged in sequence along the axial direction of the power input shaft 111. The reverse gear 1122 is rotatably arranged on the power input shaft 111, and the forward gear 1120 is in transmission connection with the input end in the main transmission gear module 120.

[0064] The first transition transmission mechanism 113 is rotatably arranged in the shuttle gear module 110 and is in meshing transmission with the reverse gear 1122 and the forward gear 1120, respectively.

[0065] The power input shaft 111 is provided with a shuttle transmission gear 111a engaged with the shuttle synchronizer 1121. The shuttle synchronizer 1121 is switched between forward gears and reverse gears to selectively connect the shuttle transmission gear 111a with the reverse gear 1122 or the forward gear 1120. That is, when the shuttle synchronizer 1121 is switched to the forward gear, the shuttle transmission gear 111a is connected with the forward gear 1120 through the shuttle synchronizer 1121, and the power of the power input shaft 111 is directly transmitted to the main gear shift module 120 through the forward gear 1120. When the shuttle synchronizer 1121 is switched to the reverse gear, the shuttle transmission gear 111a is connected with the reverse gear 1122 through the shuttle synchronizer 1121, and the power of the power input shaft 111 is transmitted to the main gear shift module 120 through the reverse gear 1122 and the first transition transmission mechanism 113, and the rotation direction of the forward gear 1120 is changed.

[0066] It can be understood that the forward gear 1120, the reverse gear 1122 and the first transition transmission mechanism 113 together form the forward gear and the reverse gear of the shuttle gear shift module 110, and define that when the shuttle synchronizer 1121 is only engaged with the shuttle transmission gear 111a, the shuttle gear shift module 110 does not transmit power outward, i.e. in the neutral state.

[0067] In the embodiment, the first transition transmission mechanism 113 can be a double gear structure. In some embodiments, the first transition transmission mechanism 113 can also be realized by two independent gears fixedly installed on transmission shafts.

[0068] The first transition transmission mechanism 113 is taken as a double gear structure in the embodiment. Specifically, the first transition transmission mechanism 113 includes a first linkage gear 1130 and a second linkage gear 1131, and the first linkage gear 1130 and the second linkage gear 1131 are connected by a connecting body to form a whole. The housing of the shuttle gear shift module 110 is also provided with a transition shaft, and the connecting body in the double gear structure is rotatably arranged on the transition shaft.

[0069] Please refer to Figure 3 The main gear shift module 120 includes a first transmission shaft 121, a second transmission shaft 122, a first main gear shift mechanism 123 and a second main gear shift mechanism 124. The first transmission shaft 121 and the second transmission shaft 122 are arranged in parallel, and the first transmission shaft 121 is in transmission connection with the output end of the shuttle gear shift module 110, specifically in transmission connection with the forward gear 1120 at the output end of the shuttle gear shift module 110, for example, in detachable connection such as key connection, flange connection or shaft coupling connection.

[0070] Further, the first transmission shaft 121 is sleeved on the power input shaft 111 and rotationally connected to the power input shaft 111 through bearings at one end close to the shuttle type mold blocking module 110, so as to improve the coaxiality of the installation.

[0071] In the embodiment, the first transmission shaft 121 is provided with a first main transmission gear 121a, a second main transmission gear 121b and a first main variable speed gear mechanism 123 arranged in sequence along the axial direction of the first transmission shaft 121. The first main transmission gear 121a and the second main transmission gear 121b are fixedly installed on the first transmission shaft 121 and can rotate synchronously with the first transmission shaft 121. The second transmission shaft 122 is in transmission connection with the input end of the auxiliary variable speed gear module 130, and the second transmission shaft 122 is provided with a second main variable speed gear mechanism 124, a third main transmission gear 122a and a fourth main transmission gear 122b arranged in sequence along the axial direction of the second transmission shaft 122. The third main transmission gear 122a and the fourth main transmission gear 122b are fixedly installed on the second transmission shaft 122 and can rotate synchronously with the second transmission shaft 122. The first main variable speed gear mechanism 123 and the second main variable speed gear mechanism 124 are arranged in a staggered manner, which can effectively save installation space, so that the main variable speed gear module 120 is more compact in structure and smaller in size.

[0072] The first main variable speed gear mechanism 123 is used for selectively transmitting the power of the first transmission shaft 121 to the second transmission shaft 122. The first main variable speed gear mechanism 123 has two output sides, which are respectively in mesh transmission with the corresponding third main transmission gear 122a and fourth main transmission gear 122b, and the mesh transmission ratios are different. Thus, the first main variable speed gear mechanism 123 can select one of the output sides to transmit power to the third main transmission gear 122a or the fourth main transmission gear 122b through gear switching.

[0073] The second main variable speed gear mechanism 124 is used for selectively transmitting the power of the first transmission shaft 121 to the second transmission shaft 122. The second main variable speed gear mechanism 124 has two input sides, which are respectively in mesh transmission with the corresponding first main transmission gear 121a and second main transmission gear 121b, and the mesh transmission ratios are different. Thus, the second main variable speed gear mechanism 124 can select one of the input sides to transmit power to the first main transmission gear 121a or the second main transmission gear 121b through gear switching.

[0074] Thus, through the cooperation of the first main variable speed gear mechanism 123 and the second main variable speed gear mechanism 124, the power transmission from the first transmission shaft 121 to the second transmission shaft 122 has four different speed transmission modes.

[0075] Specifically, the first main variable speed gear mechanism 123 includes a first main gear 1230, a first main variable speed synchronizer 1231 and a second main gear 1232 arranged in sequence along the axial direction of the first transmission shaft 121, the first main gear 1230 and the second main gear 1232 are rotatably arranged on the first transmission shaft 121 and are arranged at two output sides of the first main variable speed gear mechanism 123 respectively, the first main gear 1230 is engaged with the third main transmission gear 122a, and the second main gear 1232 is engaged with the fourth main transmission gear 122b. Among them, the first transmission shaft 121 is provided with a fifth main transmission gear 121c engaged with the first main variable speed synchronizer 1231, and the first main variable speed synchronizer 1231 is used to perform gear shifting to selectively connect the fifth main transmission gear 121c with the first main gear 1230 or the second main gear 1232, so as to transmit the power of the first transmission shaft 121 to the second transmission shaft 122.

[0076] The second main variable speed gear mechanism 124 includes a third main gear 1240, a second main variable speed synchronizer 1241 and a fourth main gear 1242 arranged in sequence along the axial direction of the second transmission shaft 122, the third main gear 1240 and the fourth main gear 1242 are rotatably arranged on the second transmission shaft 122 and are arranged at two input sides of the second main variable speed gear mechanism 124 respectively, the third main gear 1240 is engaged with the first main transmission gear 121a, and the fourth main gear 1242 is engaged with the second main transmission gear 121b, the second transmission shaft 122 is provided with a sixth main transmission gear 122c engaged with the second main variable speed synchronizer 1241, and the second main variable speed synchronizer 1241 is used to perform gear shifting to selectively connect the sixth main transmission gear 122c with the third main gear 1240 and the fourth main gear 1242, so as to transmit the power of the first transmission shaft 121 to the second transmission shaft 122.

[0077] Please refer to Figure 4 The above-mentioned auxiliary variable speed gear module 130 includes a third transmission shaft 131, a fourth transmission shaft 132, a first auxiliary variable speed gear mechanism 133 and a second auxiliary variable speed gear mechanism 134. The third transmission shaft 131 and the fourth transmission shaft 132 are arranged in parallel, the third transmission shaft 131 is coaxially inserted into the shaft hole of the second transmission shaft 122 and is rotatably connected with the second transmission shaft 122 through a bearing. The fourth transmission shaft 132 is coaxially sleeved on the first transmission shaft 121 and is rotatably connected with the first transmission shaft 121 through a bearing. In this way, the coaxiality of the third transmission shaft 131 and the second transmission shaft 122 and the fourth transmission shaft 132 and the first transmission shaft 121 after installation is ensured.

[0078] The third transmission shaft 131 is provided with the first sub-transmission gear mechanism 133 and the second sub-transmission gear mechanism arranged in sequence along the axial direction of the third transmission shaft 131. The end of the third transmission shaft 131 away from the first sub-transmission gear mechanism 133 is in transmission connection with the input end of the crawl gear module 140. The fourth transmission shaft 132 is provided with the first sub-transmission gear 132a, the second sub-transmission gear 132b, the third sub-transmission gear 132c and the fourth sub-transmission gear 132d arranged in sequence along the axial direction of the fourth transmission shaft 132. The first sub-transmission gear 132a, the second sub-transmission gear 132b, the third sub-transmission gear 132c and the fourth sub-transmission gear 132d can rotate synchronously with the fourth transmission shaft 132.

[0079] The first sub-transmission gear mechanism 133 is used for selectively transmitting the power output by the main transmission gear module 120 to the third transmission shaft 131. One transmission input side of the first sub-transmission gear mechanism 133 is in transmission connection with the output end (specifically, the second transmission shaft 122 of the output end) of the main transmission gear module 120 and is in mesh transmission with the first sub-transmission gear 132a. The other transmission input side of the first sub-transmission gear mechanism 133 is in mesh transmission with the second sub-transmission gear 132b. The transmission ratio of the first sub-transmission gear mechanism 133 with the first sub-transmission gear 132a and the second sub-transmission gear 132b is different. Thus, the first sub-transmission gear mechanism 133 can selectively transmit the power to the third transmission shaft 131 through one transmission input side in transmission connection with the second transmission shaft 122 directly or through the other transmission input side indirectly via the first sub-transmission gear 132a, the fourth transmission shaft 132 and the second sub-transmission gear 132b by gear shifting.

[0080] The second sub-transmission gear mechanism 134 is used for selectively transmitting the power output by the main transmission gear module 120 to the third transmission shaft 131. The second sub-transmission gear mechanism 134 also has two transmission input sides. One transmission input side of the second sub-transmission gear mechanism 134 is in mesh transmission with the third sub-transmission gear 132c. The other transmission input side of the second sub-transmission gear mechanism 134 is in mesh transmission with the fourth sub-transmission gear 132d. The transmission ratio of the second sub-transmission gear mechanism 134 with the third sub-transmission gear 132c and the fourth sub-transmission gear 132d is different.

[0081] It can be understood that, since the first sub-transmission gear 132a is indirectly in transmission connection with the output end of the main transmission gear module 120, the fourth transmission shaft 132 is always in a rotating state when the output end of the main transmission gear module 120 has power output. Thus, the second sub-transmission gear mechanism 134 can selectively transmit the power of the fourth transmission shaft 132 to the third transmission shaft 131 through the third sub-transmission gear 132c or the fourth sub-transmission gear 132d by gear shifting.

[0082] Thus, by the cooperation of the first sub-transmission gear mechanism 133 and the second sub-transmission gear mechanism 134, the power transmission of the first transmission shaft 121 to the third transmission shaft 131 has four different speed transmission modes.

[0083] Specifically, the first sub-transmission gear mechanism 133 includes a first sub-gear 1330, a first sub-synchromesh 1331 and a second sub-gear 1332 arranged in sequence along the axial direction of the third transmission shaft 131, the first sub-gear 1330 and the second sub-gear 1332 are rotatably arranged on the third transmission shaft 131 and are arranged at the two input sides of the first sub-transmission gear mechanism 133 respectively, the first sub-gear 1330 is in transmission connection with the second transmission shaft 122 of the main transmission gear module 120 and is in mesh with the first sub-transmission gear 132a, and the second sub-gear 1332 is in mesh with the second sub-transmission gear 132b.

[0084] Optionally, specifically, the first sub-gear 1330 and the second transmission shaft 122 of the main transmission gear module 120 are in transmission connection by means of detachable connection such as key connection, flange connection or shaft coupling connection.

[0085] Further, the third transmission shaft 131 is provided with a fifth sub-transmission gear 131a in mesh with the first sub-synchromesh 1331, the first sub-synchromesh 1331 is used to perform gear switching to selectively connect the fifth sub-transmission gear 131a with the first sub-gear 1330 or the second sub-gear 1332, so as to transmit the power output by the second transmission shaft 122 to the third transmission shaft 131.

[0086] The second sub-transmission gear mechanism 134 includes a third sub-gear 1340, a second sub-synchromesh 1341 and a fourth sub-gear 1342 arranged in sequence along the axial direction of the third transmission shaft 131, the third sub-gear 1340 and the fourth sub-gear 1342 are rotatably arranged on the third transmission shaft 131 and are arranged at the two input sides of the second sub-transmission gear mechanism 134 respectively, the third sub-gear 1340 is in mesh with the third sub-transmission gear 132c, and the fourth sub-gear 1342 is in mesh with the fourth sub-transmission gear 132d.

[0087] Among them, the third transmission shaft 131 is also provided with a sixth sub-transmission gear 131b in mesh with the second sub-synchromesh 1341, the second sub-synchromesh 1341 is used to perform gear switching to selectively connect the sixth sub-transmission gear 131b with the third sub-transmission gear 132c or the fourth sub-transmission gear 132d, so that the power output by the second transmission shaft 122 is transmitted to the third transmission shaft 131 after being transmitted through the fourth transmission shaft 132.

[0088] Please refer to Figure 1 andFigure 2 The crawling gear module 140 further comprises a power output shaft 141, a crawling gear mechanism 142, and a second transition transmission mechanism 143. The crawling gear mechanism 142 comprises a first crawling gear 1420, a crawling synchronizer 1421, and a second crawling gear 1422 arranged in sequence along the axial direction of the power output shaft 141, and the first crawling gear 1420 and the second crawling gear 1422 are rotatably arranged on the power output shaft 141. The first crawling gear 1420 is in transmission connection with the output end of the sub-speed gear module 130, specifically with the third transmission shaft 131 at the output end of the sub-speed gear module 130.

[0089] Further, the power output shaft 141 and the third transmission shaft 131 are coaxially arranged, one end of the power output shaft 141 is rotatably inserted into the shaft hole of the third transmission shaft 131 and a bearing is arranged between the power output shaft 141 and the third transmission shaft 131 to ensure the coaxiality after installation.

[0090] Optionally, the first crawling gear 1420 and the third transmission shaft 131 are in transmission connection by means of detachable connection such as key connection, flange connection, or shaft coupling connection.

[0091] The second transition transmission mechanism 143 is rotatably arranged in the crawling gear module 140 and is in meshing transmission with the first crawling gear 1420 and the second crawling gear 1422, respectively. The power output shaft 141 is provided with a crawling transmission gear 141a in meshing transmission with the crawling synchronizer 1421, and the crawling synchronizer 1421 is used to perform gear shifting to selectively connect the crawling transmission gear 141a with the first crawling gear 1420 or the second crawling gear 1422.

[0092] In the embodiment, the second transition transmission mechanism 143 can also be realized by two independent gears. In some embodiments, the second transition transmission mechanism 143 can be a double gear structure. The double gear structure can refer to the structure description of the first transition transmission mechanism 113 described above, and will not be described here. The embodiment takes the example that the second transition transmission mechanism 143 can also be realized by two independent gears.

[0093] Specifically, the second transition transmission mechanism 143 comprises a first crawling transmission gear 1430, a second crawling transmission gear 1431, and a crawling transmission shaft 1432, the crawling transmission shaft 1432 is rotatably arranged on the shell of the crawling gear module 140, and one end of the crawling transmission shaft 1432 is sleeved on the fourth transmission shaft 132 and is in rotational cooperation with the fourth transmission shaft 132 through a bearing to ensure the coaxiality after installation.

[0094] The first crawling transmission gear 1430 and the second crawling transmission gear 1431 are installed on the crawling transmission shaft 1432 and can rotate synchronously with the crawling transmission shaft 1432. The first crawling transmission gear 1430 is engaged with the first crawling blocking gear 1420, and the second crawling transmission gear 1431 is engaged with the second crawling blocking gear 1422. The crawling synchronizer 1421 is used to perform gear switching to make the power output by the third transmission shaft 131 directly transmitted to the power output shaft 141 or transmitted to the power output shaft 141 through the first crawling transmission gear 1430, the crawling transmission shaft 1432, and the second crawling transmission gear 1431.

[0095] In this way, through the cooperation of the crawling synchronizer 1421 in the crawling gear module 140, there are two different speed transmission modes for transmitting the power of the third transmission shaft 131 to the power output shaft 141.

[0096] In summary, the 32F+32R gearbox module 100 provided in the embodiment realizes the layout of 2x4x4x2 gears, and further realizes the transmission route layout of 32 forward gears and 32 reverse gears, and the speed spectrum is diverse. When applied to working machines, continuous adjustment of plowing and transportation can be realized, fuel economy is higher, and the adaptability of the working machine to different working conditions is improved, thereby solving the problems of insufficient gear density and low reverse efficiency.

[0097] It should be noted that the shuttle synchronizer 1121, the first main transmission synchronizer 1231, the second main transmission synchronizer 1241, the first auxiliary transmission synchronizer 1331, the second auxiliary transmission synchronizer 1341, and the crawling synchronizer 1421 mentioned in the above can adopt a manual mechanical gear shifting structure to cope with the complex working environment of the working machine and improve the reliability.

[0098] Of course, in some embodiments, an electrically controlled automatic gear shifting mode can be adopted: an electrically controlled hydraulic actuator + TCU is used to control gear shifting to realize automatic gear switching.

[0099] In some other embodiments, a hybrid gear shifting mode can be adopted: an electric machine is integrated into the gearbox, gear shifting is assisted by the electric machine, and a battery and an electric control system are matched.

[0100] Please refer to Figures 1 to 4 Further, the embodiment also provides a working machine, especially a working machine in the agricultural field. The working machine comprises a power supply module 200 and a gearbox module according to the above embodiment.

[0101] The power supply module 200 and the power input shaft 111 are further provided with a clutch 300. The power output shaft 141 of the 32F+32R gearbox module 100 is used to be in driving connection with a differential transmission in a rear axle module 400 of the working machine.

[0102] Optionally, the power supply module 200 can be an engine, an electric motor or a hybrid combination of an engine and an electric motor.

[0103] It should be noted that, in the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0104] The structures of the above-mentioned shift shuttle synchronizer 1121, the first main gear synchronizer 1231, the second main gear synchronizer 1241, the first sub-gear synchronizer 1331, the second sub-gear synchronizer 1341 and the crawl synchronizer 1421 are well known to those skilled in the art, and do not belong to the core improvement part of the present application, and therefore will not be described here.

[0105] In the description of the present application, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0106] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0107] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0108] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A gearbox module, characterized in that The gearbox module is a 32F+32R gearbox module (100) applied to a working machine and includes a shuttle shift module (110), a main shift module (120), a sub-shift module (130) and a crawl shift module (140) which are sequentially connected and detachable. The shuttle shift module (110) has a power input shaft (111) which is used to be connected with a power supply module (200) in the working machine through a clutch (300). The shuttle shift module (110) has switchable forward and reverse gears, the main shift module (120) and the sub-shift module (130) each have switchable four shift gears, and the crawl shift module (140) has switchable two crawl gears.

2. The gearbox module according to claim 1, characterized in that The shuttle shift module (110) further includes a shuttle shift gear mechanism (112) and a first transition transmission mechanism (113). The shuttle shift gear mechanism (112) includes a forward gear (1120), a shuttle synchronizer (1121) and a reverse gear (1122) which are sequentially arranged along the axial direction of the power input shaft (111). The reverse gear (1122) is rotatably arranged on the power input shaft (111), and the forward gear (1120) is in transmission connection with an input end in the main shift module (120). The first transition transmission mechanism (113) is rotatably arranged in the shuttle shift module (110) and is in mesh transmission with the reverse gear (1122) and the forward gear (1120) respectively. The power input shaft (111) is provided with a shuttle transmission gear (111a) which is in mesh with the shuttle synchronizer (1121). The shuttle synchronizer (1121) is switched between the forward gear and the reverse gear to selectively connect the shuttle transmission gear (111a) with the reverse gear (1122) or the forward gear (1120) in transmission.

3. The gearbox module according to claim 2, characterized in that The first transition transmission mechanism (113) is a double gear structure. The first transition transmission mechanism (113) includes a first linkage gear (1130) and a second linkage gear (1131) which are connected by a connecting body to form a whole.

4. The gearbox module of claim 1, wherein, The main shift module (120) includes a first transmission shaft (121), a second transmission shaft (122), a first main shift gear mechanism (123) and a second main shift gear mechanism (124). The first transmission shaft (121) is in transmission connection with an output end of the shuttle shift module (110). The first transmission shaft (121) is provided with a first main transmission gear (121a), a second main transmission gear (121b) and the first main shift gear mechanism (123) which are sequentially arranged along the axial direction of the first transmission shaft (121). The second transmission shaft (122) is in transmission connection with the second main transmission gear (121b) and the second main shift gear mechanism (124). The second transmission shaft (122) is in transmission connection with the input end of the auxiliary transmission gear module (130), and the second transmission shaft (122) is provided with the second main transmission gear (124), the third main transmission gear (122a) and the fourth main transmission gear (122b) arranged in sequence along the axial direction of the second transmission shaft (122); The first main transmission gear (123) and the second main transmission gear (124) are both used for selectively transmitting the power of the first transmission shaft (121) to the second transmission shaft (122); The first main transmission gear (123) has two output sides in meshing transmission with the third main transmission gear (122a) and the fourth main transmission gear (122b) respectively, and the second main transmission gear (124) has two input sides in meshing transmission with the first main transmission gear (121a) and the second main transmission gear (121b) respectively.

5. The gearbox module according to claim 4, characterized in that The first main transmission gear (123) comprises a first main gear (1230), a first main transmission synchronizer (1231) and a second main gear (1232) arranged in sequence along the axial direction of the first transmission shaft (121), the first main gear (1230) and the second main gear (1232) are rotatably arranged on the first transmission shaft (121) and arranged at the two output sides of the first main transmission gear (123) respectively, the first main gear (1230) is in meshing transmission with the third main transmission gear (122a), and the second main gear (1232) is in meshing transmission with the fourth main transmission gear (122b), wherein the first transmission shaft (121) is provided with a fifth main transmission gear (121c) in meshing transmission with the first main transmission synchronizer (1231), and the first main transmission synchronizer (1231) is used for performing gear switching to selectively connect the fifth main transmission gear (121c) with the first main gear (1230) or the second main gear (1232); And / or, the second main variable speed gear mechanism (124) is sequentially arranged along the axial direction of the second transmission shaft (122) third main gear (1240), the second main variable speed synchronizer (1241) and the fourth main gear (1242), the third main gear (1240) and the fourth main gear (1242) are rotatably arranged on the second transmission shaft (122) and are arranged on the two input sides of the second main variable speed gear mechanism (124) respectively, the third main gear (1240) is engaged with the first main transmission gear (121a), the fourth main gear (1242) is engaged with the second main transmission gear (121b), the second transmission shaft (122) is provided with the sixth main transmission gear (122c) engaged with the second main variable speed synchronizer (1241), and the second main variable speed synchronizer (1241) is used for performing gear shifting to selectively drive connect the sixth main transmission gear (122c) with the third main gear (1240) and the fourth main gear (1242).

6. The gearbox module of claim 4, wherein, The first transmission shaft (121) is sleeved on the power input shaft (111) and is in rotational cooperation with the power input shaft (111) through bearings.

7. The gearbox module of claim 1, wherein, The auxiliary variable speed gear module (130) comprises a third transmission shaft (131), a fourth transmission shaft (132), a first auxiliary variable speed gear mechanism (133) and a second auxiliary variable speed gear mechanism (134); The third transmission shaft (131) is provided with the first auxiliary variable speed gear mechanism (133) and the second auxiliary variable speed gear mechanism arranged along the axial direction of the third transmission shaft (131) in sequence, and the end of the third transmission shaft (131) away from the first auxiliary variable speed gear mechanism (133) is in transmission connection with the input end of the crawl gear module (140); The fourth transmission shaft (132) is provided with a first auxiliary transmission gear (132a), a second auxiliary transmission gear (132b), a third auxiliary transmission gear (132c) and a fourth auxiliary transmission gear (132d) arranged along the axial direction of the fourth transmission shaft (132) in sequence; The first auxiliary variable speed gear mechanism (133) and the second auxiliary variable speed gear mechanism (134) are both used for selectively transmitting the power output by the main variable speed gear module (120) to the third transmission shaft (131). Wherein, the first auxiliary variable speed gear mechanism (133) and the second auxiliary variable speed gear mechanism (134) both have two transmission input sides, one transmission input side of the first auxiliary variable speed gear mechanism (133) is in transmission connection with the output end of the main variable speed gear module (120) and is in mesh transmission with the first auxiliary transmission gear (132a), and the other transmission input side of the first auxiliary variable speed gear mechanism (133) is in mesh transmission with the second auxiliary transmission gear (132b); one transmission input side of the second auxiliary variable speed gear mechanism (134) is in mesh transmission with the third auxiliary transmission gear (132c), and the other transmission input side of the second auxiliary variable speed gear mechanism (134) is in mesh transmission with the fourth auxiliary transmission gear (132d).

8. The gearbox module according to claim 7, characterized in that The first sub-transmission gear mechanism (133) comprises a first sub-gear (1330), a first sub-transmission synchronizer (1331) and a second sub-gear (1332) arranged in sequence along the axial direction of the third transmission shaft (131), the first sub-gear (1330) and the second sub-gear (1332) are rotatably arranged on the third transmission shaft (131) and arranged on the two input sides of the first sub-transmission gear mechanism (133) respectively, the first sub-gear (1330) is in transmission connection with the output end of the main transmission gear module (120) and is in meshing connection with the first sub-transmission gear (132a), the second sub-gear (1332) is in meshing connection with the second sub-transmission gear (132b), wherein the third transmission shaft (131) is provided with a fifth sub-transmission gear (131a) in meshing connection with the first sub-transmission synchronizer (1331), and the first sub-transmission synchronizer (1331) is used to perform gear switching to selectively connect the fifth sub-transmission gear (131a) with the first sub-gear (1330) or the second sub-gear (1332) in transmission; And / or, the second sub-transmission gear mechanism (134) comprises a third sub-gear (1340), a second sub-transmission synchronizer (1341) and a fourth sub-gear (1342) arranged in sequence along the axial direction of the third transmission shaft (131), the third sub-gear (1340) and the fourth sub-gear (1342) are rotatably arranged on the third transmission shaft (131) and arranged on the two input sides of the second sub-transmission gear mechanism (134) respectively, the third sub-gear (1340) is in meshing connection with the third sub-transmission gear (132c), and the fourth sub-gear (1342) is in meshing connection with the fourth sub-transmission gear (132d), wherein the third transmission shaft (131) is further provided with a sixth sub-transmission gear (131b) in meshing connection with the second sub-transmission synchronizer (1341), and the second sub-transmission synchronizer (1341) is used to perform gear switching to selectively connect the sixth sub-transmission gear (131b) with the third sub-transmission gear (132c) or the fourth sub-transmission gear (132d) in transmission.

9. The gearbox module of claim 1, wherein, The crawling gear module (140) further comprises a power output shaft (141), a crawling gear mechanism (142) and a second transition transmission mechanism (143); The crawling gear mechanism (142) comprises a first crawling gear (1420), a crawling synchronizer (1421) and a second crawling gear (1422) arranged in sequence along the axial direction of the power output shaft (141), the first crawling gear (1420) and the second crawling gear (1422) are rotatably arranged on the power output shaft (141), and the first crawling gear (1420) is in transmission connection with the output end of the sub-transmission gear module (130); The second transition transmission mechanism (143) is rotatably arranged in the crawl gear module (140) and is in meshing transmission with the first crawl gear (1420) and the second crawl gear (1422) respectively; The power output shaft (141) is provided with a crawl transmission gear (141a) in meshing transmission with the crawl synchronizer (1421), and the crawl synchronizer (1421) is used for performing gear switching to selectively connect the crawl transmission gear (141a) with the first crawl gear (1420) or the second crawl gear (1422).

10. A work machine characterized by, The transmission module comprises a power supply module (200) and the transmission module according to any one of claims 1-9.

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