Gearbox of field management machine

Abstract

The utility model discloses a field management machine gearbox, which belongs to the field of power shifting speed change output, and comprises a case shell, a main shaft with a gear, an input shaft with a gear, a power output group, a walking output group, a steering stop lever, a steering shifting fork and two shifting shafts are arranged in the case shell, the power output set and the walking output set each comprise a plurality of transmission shafts, one transmission shaft in the walking output set is in transmission connection with the input shaft through a gear, and one transmission shaft in the power output set is in transmission connection with the input shaft through a sleeve. By adopting the direct-connection four-wheel drive, the direct-connection four-wheel drive device is simple in structure, sufficient in power, high in safety performance, light in weight, convenient to operate, low in failure rate, convenient to maintain and long in service life. According to actual needs, a gear interlocking device is specially designed for the gearbox, and the use safety is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power gear shifting variable speed output, specifically relates to a kind of field management machine gearbox. BACKGROUND

[0002] Field management machine is powered by small diesel engine or gasoline engine, with the characteristics of light weight, small size, simple structure etc.Field management machine is widely used in dry land, paddy field, orchard etc.of plain, mountainous area, hilly area.Field management machine can freely travel in field, it is convenient for user to use and store, it saves the trouble that large agricultural machinery cannot enter mountainous area field block, it is the best choice for the majority of peasant consumers to replace ox ploughing.

[0003] The existing field management machine, gearbox structure design is not reasonable, gear lubrication is not sufficient, commonly used chain transmission or v-belt transmission gearbox, due to the environment of field management machine is relatively poor, mutual friction and vibration of parts during work, the invasion of oil, mud, water, can cause the wear of parts, connection loosening, corrosion aging, thereby the technical state of field management machine is bad, power drops, oil consumption increases, wear accelerates, fault appears continuously. UTILITY MODEL CONTENT

[0004] The utility model wants to overcome the technical problems of the prior art, provide a kind of for large ship anchor chain cleaning equipment with high cleaning efficiency, cleaning is thorough.

[0005] The technical scheme for solving the above technical problems is: a kind of field management machine gearbox, including the inside of machine case shell is provided with the main shaft and input shaft with gear, power output group, walking output group, steering stop lever, steering shift fork and two shift shafts, the power output group and walking output group all include multiple transmission shafts, one transmission shaft in the walking output group is connected with input shaft by gear transmission, one transmission shaft in the power output group is connected with input shaft by sleeve transmission, the rest transmission shafts are connected by gear transmission, one shift shaft is connected with the transmission shaft of power output group by shift tab, another shift shaft is connected with input shaft by shift tab, steering stop lever and steering shift fork are connected by jaw clutch by installing gear on the last second transmission shaft in power transmission chain in walking output group.

[0006] Further, the main shaft and input shaft are connected by gear transmission.

[0007] Further, the shift shaft is arranged in the form of sliding installation in the machine case shell.

[0008] Further, the power output group and the walking output group are arranged in the form of fixed shaft rotation in the interior of the machine case shell, except the transmission shaft connected with the input shaft through the sleeve.

[0009] Further, the power output group and the walking output group are arranged in the form of fixed shaft rotation in the interior of the machine case shell, except the transmission shaft connected with the input shaft through the sleeve.

[0010] Further, the power output group and the walking output group are arranged in the form of fixed shaft rotation in the interior of the machine case shell, except the transmission shaft connected with the input shaft through the sleeve.

[0011] The beneficial effects of the utility model are as follows: the utility model adopts direct connection four-wheel drive, has simple structure, sufficient power, high safety performance, light weight, convenient operation, low failure rate, convenient maintenance, long service life. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic view of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is the rear view of the utility model;

[0015] Figure 4 It is the left view of the utility model;

[0016] Figure 5 It is the right view of the utility model;

[0017] Figure 6 It is the top view of the utility model;

[0018] Figure 7 It is the bottom view of the utility model;

[0019] Figure 8 It is the schematic view of installing assembly in the machine case shell of the utility model;

[0020] Figure 9 It is the schematic view of transmission relation of power output group, main shaft and input shaft of the utility model;

[0021] Figure 10 It is the schematic view of transmission relation of power output group, main shaft and input shaft of the utility model;

[0022] Reference numerals: 1, main shaft rod; 11, driving gear; 2, input shaft rod; 21, first transmission gear; 22, second transmission gear; 23, third transmission gear; 3, transmission shaft F; 31, transmission gear L; 32, transmission gear M; 4, transmission shaft G; 41, transmission gear N; 42, transmission gear O; 43, transmission gear P; 5, transmission shaft H; 51, transmission gear Q; 52, transmission gear R; 6, transmission shaft I; 61, transmission gear S; 62, transmission gear T; 7, transmission shaft J; 71, transmission gear U; 72, transmission gear V; 8, transmission shaft A; 81, transmission gear A; 82, transmission gear B; 9, transmission shaft B; 91, transmission gear C; 92, transmission gear D; 93, transmission gear E; 94, transmission gear F; 10, transmission shaft C; 1001, transmission gear G; 1002, transmission gear H; 1100, transmission shaft D; 1101, transmission gear I; 1102, transmission gear J; 12, transmission shaft E; 1201, transmission gear K; 13, first shift shaft; 14, second shift shaft; 15, steering shift lever; 16, steering yoke; 17, machine case. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] As shown in Figures 1 to 7 The utility model discloses a kind of transmission boxes of garden management machine, including machine case 17, the inside of machine case 17 is provided with main shaft and input shaft with gear, power output group, walking output group, steering shift lever 15, steering yoke 16 and two shift shafts, the side of machine case 17 is provided with through hole, to facilitate part of shaft to extend.

[0025] As shown in Figure 8 Among them, shift shaft is first shift shaft 13 and second shift shaft 14, first shift shaft 13 and second shift shaft 14 are equipped with shift piece, in addition, gear interlock device for preventing tool shaft mis-hanging gear is also provided, which is arranged at the position where two shift shafts overlap.

[0026] As shown in Figure 8As shown in the figure, the main shaft includes a main shaft rod 1 and a driving gear 11, the input shaft includes an input shaft rod 2, a first transmission gear 21, a second transmission gear 22, a third transmission gear 23, the transmission connection is realized through the meshing of the first transmission gear 21, the second transmission gear 22 and the third transmission gear 23 with the driving gear 11, and the first shift shaft 13 is connected with the input shaft rod 2 through a shift paddle, and the second transmission gear 22 and the third transmission gear 23 are double gears, the movement of the input shaft rod 2 is realized through the first shift shaft 13 to realize gear shifting.

[0027] As shown in the figure, Figure 10 As shown in the figure, the power output group includes a transmission shaft A8, a transmission gear A81, a transmission gear B82, a transmission shaft B9, a transmission gear C91, a transmission gear D92, a transmission gear E93, a transmission gear F94, a transmission shaft C10, a transmission gear G1001, a transmission gear H1002, a transmission shaft D1100, a transmission gear I1101, a transmission gear J1102, a transmission shaft E12, a transmission gear K1201, the transmission shaft A8 is connected with the input shaft rod 2 through a sleeve, and since both ends inside the sleeve and one end of the input shaft rod 2 and the transmission shaft A8 are provided with matching teeth, when the input shaft rod 2 is moved by the first shift shaft 13, the transmission between the input shaft rod 2 and the transmission shaft A8 will not be disconnected, and the transmission gear A81 and the transmission gear B82 are installed on the outer surface of the transmission shaft A8, the transmission gear A81 and the transmission gear B82 are double gears, the second shift shaft 14 is connected with the transmission shaft A8 through a paddle, and then the transmission shaft A8 can be moved by the paddle of the second shift shaft, and three gears are formed through the meshing between the transmission gear A81, the transmission gear B82 and the transmission gear C91, the transmission gear H1002 and the transmission gear E93.

[0028] As shown in the figure, Figure 10 As shown in the figure, the outer surface of the transmission shaft B9 is installed with the transmission gear C91, the transmission gear D92, the transmission gear E93 and the transmission gear F94, the outer surface of the transmission shaft C10 is installed with the transmission gear G1001 and the transmission gear H1002, the outer surface of the transmission shaft D1100 is installed with the transmission gear I1101 and the transmission gear J1102, and the outer surface of the transmission shaft E12 is installed with the transmission gear K1201, wherein the transmission gear F94, the transmission gear I1101, the transmission gear J1102 and the transmission gear K1201 are bevel gears, the transmission gear F94 is meshed with the transmission gear I1101, and the transmission gear J1102 is meshed with the transmission gear K1201, so that the power output is realized through the following sequence:

[0029] As shown in the figure, Figure 10As shown, by the driving gear F94 to the driving gear I1101, the driving shaft D1100 is driven to rotate by the driving gear I1101, and by the driving gear J1102 to the driving gear K1201, and the 12 is driven to rotate by the driving gear K1201, to realize power output.

[0030] In combination with the foregoing description, after switching different gears by 14, the following sequence of power transmission is realized:

[0031] By the driving gear A81 to the driving gear C91, the driving shaft B9 is driven to rotate, thereby forming a gear;

[0032] By the driving gear B82 to the driving gear E93, the driving shaft B9 is driven to rotate, thereby forming a gear;

[0033] By the driving gear A81 to the driving gear H1002, the driving shaft C10 is driven to rotate by the driving gear H1002, and by the driving gear G1001 to the driving gear D92, the driving shaft B9 is driven to rotate, thereby forming a gear.

[0034] Further as Figure 9 As shown, the walking output group includes the driving shaft F3, the driving gear L31, the driving gear M32, the driving shaft G4, the driving gear N41, the driving gear O42, the driving gear P43, the driving shaft H5, the driving gear Q51, the driving gear R52, the driving shaft I6, the driving gear S61, the driving gear T62, the driving shaft J7, the driving gear U71, the driving gear V72.

[0035] As Figure 9 As shown, since the first shift shaft 13 is connected with the input shaft rod 2, with the sliding of the input shaft rod 2, three gears are formed through the meshing between the first driving gear 21, the second driving gear 22, the third driving gear 23 and the driving gear O42, the driving gear P43 and the driving gear M32.

[0036] As Figure 9As shown, the outer surface of the transmission shaft F3 is provided with transmission gears L31 and M32, the outer surface of the transmission shaft G4 is provided with transmission gears N41, O42 and P43, the outer surface of the transmission shaft H5 is provided with transmission gears Q51 and R52, the outer surface of the transmission shaft I6 is provided with transmission gears S61 and T62, and the outer surface of the transmission shaft J7 is provided with transmission gears U71 and V72. The transmission gears S61 and T62 provided on the transmission shaft I6 are connected to the steering block 15 and the steering yoke 16 through the jaw clutch, so that the transmission gears S61 and T62 are engaged or separated through the steering rod to realize the forced separation and synchronous walking function. The steering block 15 and the steering yoke 16 are connected to the gear provided on the transmission shaft which is the second last in the power transmission chain in the walking output group through the jaw clutch.

[0037] Therefore, when the walking output is realized, the power transmission is performed in the following order:

[0038] The transmission shaft G4 is rotated to drive the transmission gear N41 to rotate. The transmission gears N41 and R52 are bevel gears, so that the transmission shaft H5 is driven to rotate. The transmission shaft H5 drives the transmission gear T62 to rotate through the transmission gear Q51. Due to the number of the steering rod, the steering yoke 16 and the transmission gear S61, and the above description, when one transmission gear S61 is engaged with the transmission gear U71 to realize the rotation of the A end of the transmission shaft J7, and the other transmission gear S61 is engaged with the transmission gear V72 to realize the rotation of the B end of the transmission shaft J7.

[0039] In addition, after the different gears are switched through the first shift shaft 13, the power transmission is realized in the following order:

[0040] With the rotation of the input shaft rod 2, when the second transmission gear 22 is engaged with the transmission gear O42, the transmission shaft G4 is driven to rotate to form a gear.

[0041] With the rotation of the input shaft rod 2, when the third transmission gear 23 is engaged with the transmission gear P43, the transmission shaft G4 is driven to rotate to form a gear.

[0042] With the rotation of the input shaft rod 2, when the third transmission gear 23 is engaged with the transmission gear M32, the transmission shaft F3 is driven to rotate, and the transmission gear P43 is driven to rotate by the transmission gear L31 to form a gear.

[0043] The working principle of the embodiment is as follows. Through the shift shaft, different shafts are driven to move by the shift tab, and the power transmission is realized by the engagement of different gears after different combinations to realize the power output or the walking output.

[0044] The above merely describes preferred embodiments of the present application, but is not intended to limit the scope of protection of the present application.

Claims

1. An agricultural management machine transmission comprising a transmission housing, characterised in that: The inside of the machine case shell is provided with a main shaft and an input shaft with gears, a power output group, a walking output group, a steering stop lever, a steering shift fork and two shift shafts, the power output group and the walking output group each comprise a plurality of transmission shafts, one transmission shaft in the walking output group is in transmission connection with the input shaft through gears, one transmission shaft in the power output group is in transmission connection with the input shaft through a sleeve, the remaining transmission shafts are in transmission connection through gears, the shift shafts are connected with the transmission gears driven by the input shaft in the power output group through shift pieces, the steering stop lever and the steering shift fork are connected with the gear on the penultimate transmission shaft in the power transmission chain in the walking output group through a jaw clutch.

2. The gearbox of claim 1, wherein: The main shaft and the input shaft are in transmission connection through gears.

3. The gearbox of claim 1, wherein: The shift shafts are in the form of sliding installation in the machine case shell.

4. The garden management machine transmission of claim 1, wherein: The transmission shafts in the power output group and the walking output group except the transmission shaft in transmission connection with the input shaft through the sleeve are in the form of fixed shaft rotation in the inside of the machine case shell.

5. The garden management machine transmission of claim 1, wherein: The inside of the sleeve and the input shaft and the transmission shaft connected by the sleeve are provided with matching teeth on both ends.

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