Double-shaft output gearbox for ditcher

By using a dual-shaft output gearbox design and a combination of bevel gears, conical gears, and worm gears, the problem of low gearbox ratio in trenchers was solved, achieving optimized power distribution and high/low speed switching between the working and traveling parts, thus improving work quality and efficiency.

CN223524366UActive Publication Date: 2025-11-07SHANDONG HONGHAO MECHANICAL & ELECTRICAL EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520152231.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-11-07
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The existing trenching machine uses a gearbox with a low transmission ratio and poor deceleration effect, which results in the traveling part moving too fast while the working part has insufficient power, leading to poor work completion.

Method used

It adopts a dual-shaft output gearbox design to provide power to the working part and the traveling part respectively. It increases the reduction ratio through a combination of bevel gears, conical gears and worm gears, and realizes high and low speed switching through speed regulating gears.

Benefits of technology

It optimizes the power distribution between the working and traveling parts, improves deceleration performance and work quality, adapts to different working conditions, reduces travel time when not in operation, and saves costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gearboxes, in particular to a double-shaft output gearbox for a ditcher, which comprises a box body which is provided with an output shaft A and an output shaft B in a rotating structure mode, and is characterized in that a power mechanism A for driving the output shaft A comprises an input shaft connected with the box body and a bevel gear connected with the input shaft; the bevel gear is connected with the bevel gear in a meshed mode, and the driving shaft is in key connection with the bevel gear and sleeved with a gear A; the power mechanism B for driving the output shaft B comprises a worm connected with the box body and a worm gear meshed with the worm, the worm gear is provided with a gear B, the gear B is provided with a speed regulating gear, and the speed regulating gear is connected with the gear shifting structure; by arranging double-shaft input, power output distribution under different working conditions is facilitated, and a better operation effect is achieved; through the arrangement of the bevel gear, the bevel gear and the worm and gear, the reduction ratio is greatly increased through transmission of the three gears, the reduction effect is more obvious, and the reduction performance is higher.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gearbox, in particular to a double-shaft output gearbox for a ditcher. BACKGROUND

[0002] The gearbox is used to change the rotating speed and torque from the engine, and it can fix or split the change of the transmission ratio of the output shaft and the input shaft. The gearbox is composed of a transmission mechanism and a control mechanism. The main function of the transmission mechanism is to change the value and direction of the torque and rotating speed, and the main function of the control mechanism is to control the transmission mechanism to change the transmission ratio of the gearbox and realize gear shifting to achieve variable speed and variable torque.

[0003] In the existing gearbox for the ditcher, the power output of the working part and the walking part is provided through an input shaft, and the required transmission ratio is realized through the cooperation of multiple gears. However, the reduction effect of this kind of mode has limitations in some cases, which may result in that the transmission ratio of the walking part is not large enough, the ideal reduction effect cannot be achieved, the walking speed is too fast, and the power of the working part is insufficient, and the operation effect is not good. CONTENT OF THE UTILITY MODEL

[0004] To solve the above technical problems, the utility model provides a double-shaft output gearbox for a ditcher, which solves the technical problem that the transmission ratio in the existing gearbox for the ditcher is low, the reduction effect is poor, the power distribution is imperfect, and the operation effect is not good. To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A double-shaft output gearbox for a ditcher, comprising a box body, the box body is provided with a working part output shaft A and a walking part output shaft B in a rotating structure, characterized in that a power mechanism A for driving the output shaft A to rotate is further arranged, the power mechanism A comprises:

[0006] an input shaft, the input shaft is connected to the box body in a rotating structure;

[0007] a bevel gear, the bevel gear is connected to the output end of the input shaft in a fixed structure;

[0008] a conical gear, the conical gear is connected to the bevel gear in an engaging manner;

[0009] a driving shaft connected to the conical gear through a key, the driving shaft is connected to the box body in a rotating structure;

[0010] a gear A for driving the output shaft A to rotate, the gear A is connected to the driving shaft through a key;

[0011] a power mechanism B for driving the walking part output shaft B to rotate is further arranged, the power mechanism B comprises:

[0012] A worm is connected to the box in a rotary structure;

[0013] A worm wheel is engaged with the worm, and the worm wheel is connected to the driving shaft in a rotary structure, and the worm wheel is provided with a gear B in a fixed structure;

[0014] A speed regulating gear is connected to the gear shifting structure, and the speed regulating gear is connected to the gear B in an engaged manner.

[0015] Further, the box is provided with a driven shaft in a rotary structure, and the driven shaft is sleeved with a double gear, and the double gear is connected to the gear A in an engaged manner; the output shaft A is sleeved with a gear C, and the gear C is connected to the double gear in an engaged manner.

[0016] Further, the double gear comprises a large gear and a small gear, the large gear is connected to the gear A in an engaged manner, the small gear is connected to the gear C in an engaged manner, and the large gear and the small gear are connected in a fixed structure.

[0017] Further, the box is provided with a driving shaft in a rotary structure, and the driving shaft is sleeved with a gear D at one end, the gear D is provided with a gear E and a gear F in an engaged manner, the gear E is fixedly connected to the input shaft, and the gear F is fixedly connected to one end of the worm.

[0018] Further, the driving shaft is sleeved with a gear G, the gear G is connected to the bevel gear in a fixed structure, and the gear G is connected to the speed regulating gear in an engaged manner.

[0019] Further, one side of the gear A is provided with a ring in a fixed structure; the box is provided with a yoke for moving the ring along the driving shaft transversely.

[0020] The utility model discloses the beneficial effects are: through setting up double shaft input, respectively for output shaft A and output shaft B provide power, the distribution of power output under different working conditions is convenient, can make the working part and walking part of ditcher better cooperation, realizes better work effect;

[0021] Through setting up bevel gear, bevel gear and worm wheel, using the three kinds of gear transmission, greatly increase the reduction ratio, and the reduction effect is more obvious, improve the reduction performance;

[0022] Through setting up the speed regulating gear, when the speed regulating gear is engaged with the gear B, the working part output shaft A high -speed output, and the walking part output shaft B low -speed output, make the ditcher working part power more, improve the quality and efficiency of ditching operation, when the speed regulating gear is engaged with the gear G, the walking part output shaft B high -speed output, realize fast driving when not carrying out ditching work, reduce the road travel time, save the cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1It is the three-dimensional structure schematic diagram of the utility model work department high speed output, walking department low speed output.

[0024] Figure 2 It is the three-dimensional structure schematic diagram of the utility model work department stop working, walking department high speed output.

[0025] In the figure:

[0026] 1, box, 2, input shaft, 3, bevel gear, 4, bevel gear, 5, driving shaft, 6, gear A, 7, output shaft A, 8, output shaft B, 9, worm, 10, worm wheel, 11, gear B, 12, speed regulating gear, 13, double gear, 131, large gear, 132, pinion, 14, gear C, 15, drive shaft, 16, gear D, 17, gear E, 18, gear F, 19, gear G, 20, shift fork, 21, shift structure, 22, driven shaft, 23, ring. PREFERRED EMBODIMENT

[0027] In order to make the utility model implementation purpose, technical scheme and advantage more clearly, now will refer to the figure and the following embodiment to the utility model further detailed description, so that the public better grasps the utility model implementation method, the utility model specific implementation scheme is:

[0028] A double shaft output gearbox for a ditcher, comprising a box 1, the box 1 is provided with a working part output shaft A7 and a walking part output shaft B8 in a rotating structure, and further provided with a power mechanism A for driving the output shaft A7 to rotate, the power mechanism A comprises: an input shaft 2 connected to the box 1 in a rotating structure, a bevel gear 3 connected to the output end of the input shaft 2 in a fixed structure, a bevel gear 4 connected to the bevel gear 3 in a meshing manner, a driving shaft 5 connected to the bevel gear 4 by a key, the driving shaft 5 is connected to the box 1 in a rotating structure, a gear A 6 for driving the output shaft A7 to rotate, the gear A 6 is connected to the driving shaft 5 by a key; further provided with a power mechanism B for driving the walking part output shaft B8 to rotate, the power mechanism B comprises: a worm 9 connected to the box 1 in a rotating structure, a worm wheel 10 meshing with the worm 9, the worm wheel 10 is connected to the driving shaft 5 in a rotating structure, the worm wheel 10 is provided with a gear B 11 in a fixed structure, a speed regulating gear 12 connected to the gear B 11 in a meshing manner, the speed regulating gear 12 is connected to the shift structure 21.

[0029] By setting double shaft input, it is convenient for the distribution of power output under different working conditions, the cooperation between the working part and the walking part of the ditcher is better, and better working effect is realized; by setting the bevel gear 3, the bevel gear 4 and the worm wheel 10 worm 9, using the three kinds of gear transmission, the reduction ratio is greatly increased, the reduction effect is more obvious, and the reduction performance is improved; by setting the speed regulating gear 12, the conversion between high speed and low speed is realized to adapt to different working conditions.

[0030] Need to explain, the box 1 is provided with a drive shaft 15 in a rotating structure, the drive shaft 15 one end is provided with a gear D16, the gear D16 is provided with a gear E17 and a gear F18 in a meshing manner, the gear E17 is fixedly connected with the input shaft 2, the gear F18 is fixedly connected with one end of the worm 9; the structure can be reduced by a gear first, the reduction ratio between the gear E17 and the gear D16 is 1:2, the reduction ratio between the gear F18 and the gear D16 is also 1:2, if the input speed of the drive shaft 15 is 2400, the output speed of the input shaft 2 and the worm 9 is reduced to 1200 under the work of the gear E17, the gear F18 and the gear D16.

[0031] Need to explain, the box 1 is provided with a drive shaft 15 in a rotating structure, the drive shaft 15 one end is provided with a gear D16, the gear D16 is provided with a gear E17 and a gear F18 in a meshing manner, the gear E17 is fixedly connected with the input shaft 2, the gear F18 is fixedly connected with one end of the worm 9; the structure can be reduced by a gear first, the reduction ratio between the gear E17 and the gear D16 is 1:2, the reduction ratio between the gear F18 and the gear D16 is also 1:2, if the input speed of the drive shaft 15 is 2400, the output speed of the input shaft 2 and the worm 9 is reduced to 1200 under the work of the gear E17, the gear F18 and the gear D16.

[0032] The output shaft A7 outputs 1200 to the bevel gear 3, the reduction ratio between the bevel gear 3 and the bevel gear 4 is 2:1, then the bevel gear 4 outputs 600, that is, the driving shaft 5 outputs 600, the reduction ratio between the gear A6 and the double gear 13 is 2:1, then the double gear 13 outputs 300, the reduction ratio between the double gear 13 and the gear C14 is 1.5:1, then the gear C14 outputs 200, that is, the working part output shaft A7 outputs 200.

[0033] Need to explain, the driving shaft 5 is provided with a gear G19, the gear G19 is connected with the bevel gear 4 in a fixed structure, the gear G19 is connected with the speed regulating gear 12 in a meshing manner; the worm 9 outputs 1200, the worm gear 10 and the worm 9 have a high reduction ratio, the reduction ratio of the worm gear 10 and the worm 9 is 20:1, then the worm gear 10 outputs 60, the gear G19 outputs 60, the speed regulating gear 12 outputs 60, then the gear shifting mechanism 21 is used to make the walking part output shaft B8 output the required speed, low speed running.

[0034] Further, the gear A6 is provided with a ring 23 in a fixed structure on one side; the box 1 is provided with a yoke 20 for moving the ring 23 along the driving shaft 5 transversely; the yoke 20 is used for sliding the gear A6 along the driving shaft 5 when the walking part is running at a high speed, the gear A6 is not engaged with the large gear 131 of the double gear 13, the power transmission is stopped, the working part output shaft A7 does not output power, and the working part of the ditcher stops working.

[0035] As shown in Figure 1 When the speed regulating gear 12 is engaged with the gear B11, the walking part output shaft B8 outputs at a low speed, the ditcher runs at a low speed, the working part output shaft A7 outputs at a high speed, the power of the working part is increased, and the quality of the ditching operation is ensured.

[0036] As shown in Figure 2 When the speed regulating gear 12 is engaged with the gear G19, the walking part outputs the speed of the working part, the output shaft B8 outputs at a high speed, the gear A6 stops outputting power through the yoke 20, the working part stops working, and is suitable for driving between one working site and the next working site, fast driving to the working destination, and improving the working efficiency.

[0037] The working principle and working process of the utility model are as follows:

[0038] When the ditcher is working, the working part needs to output at a high speed and the walking part needs to output at a low speed, and the working process in this state is as follows: start the engine, the driving shaft 15 drives the gear D16 to rotate, the gear D16 drives the gears E17 and F18 to rotate, and then drives the input shaft 2 and the worm 9 to rotate, the input shaft 2 drives the bevel gear 3 to rotate, the bevel gear 3 drives the conical gear 4 to rotate, and then drives the driving shaft 5 to rotate, the driving shaft 5 drives the gear A6 to rotate, the gear A6 drives the double gear 13 engaged therewith to rotate, the double gear 13 drives the gear C14 engaged therewith to rotate, the gear C14 further transmits power to the working part output shaft A7, the output shaft A7 outputs at a high speed, and the ditcher works.

[0039] The worm 9 drives the worm wheel 10 to rotate, the gear B11 also rotates with the worm wheel 10, the gear B11 has the same rotating speed as the worm wheel 10, at this time, the speed regulating gear 12 is engaged with the gear B11, the speed regulating gear 12 also starts to rotate, and then transmits power to the walking part through a plurality of gear engagement, the walking part output shaft B8 outputs at a low speed compared with the working part, and the ditcher runs at a low speed.

[0040] When the ditcher needs to travel from one working site to another, the walking part needs to travel at high speed, while the working part stops working, the working process of this state: the speed regulating gear 12 is engaged with the gear D16, and then the power is transmitted to the walking part through the speed regulating gear 12, the walking part realizes high speed output, improves the travel speed of the walking part when the working part does not work, in this process, the shift fork 20 is shifted, the gear A6 slides along the driving shaft 5, the gear A6 is no longer engaged with the double gear 13, that is, the power is no longer transmitted, so that the output shaft A7 no longer outputs power, and the working part of the ditcher stops working.

[0041] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "left lower", "right upper", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Although the utility model is described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of the utility model described herein.

Claims

1. A double-shaft output gearbox for a ditcher, comprising a gearbox (1) provided with a working part output shaft A (7) and a traveling part output shaft B (8) in a rotary structure, characterized in that, Also provided is a power mechanism A for driving the rotation of the output shaft A (7), the power mechanism A comprising: an input shaft (2) rotatably connected to the housing (1); a bevel gear (3) fixedly connected to the output end of the input shaft (2); a conical gear (4) connected to the bevel gear (3) in a meshing manner; a driving shaft (5) connected to the conical gear (4) by a key, the driving shaft (5) being rotatably connected to the housing (1); a gear A (6) for driving the rotation of the output shaft A (7), the gear A (6) being connected to the driving shaft (5) by a key; Also provided is a power mechanism B for driving the rotation of the walking part output shaft B (8), the power mechanism B comprising: a worm (9) rotatably connected to the housing (1); a worm wheel (10) meshing with the worm (9), the worm wheel (10) being rotatably connected to the driving shaft (5), and the worm wheel (10) being fixedly provided with a gear B (11); a speed regulating gear (12) connected to the shift structure (21), the speed regulating gear (12) being connected to the gear B (11) in a meshing manner.

2. A dual axle output transmission for a furrower as claimed in claim 1, characterised in that: The housing (1) is rotatably provided with a driven shaft (22), the driven shaft (22) is sleeved with a double gear (13), the double gear (13) is connected to the gear A (6) in a meshing manner; The output shaft A (7) is sleeved with a gear C (14), the gear C (14) is connected to the double gear (13) in a meshing manner.

3. A dual axle output gearbox for a furrower as claimed in claim 2, characterised in that: The double gear (13) comprises a large gear (131) and a small gear (132), the large gear (131) is connected to the gear A (6) in a meshing manner, the small gear (132) is connected to the gear C (14) in a meshing manner, and the large gear (131) and the small gear (132) are fixedly connected.

4. The dual axle output transmission case for a furrower according to claim 1, characterized in that: The housing (1) is rotatably provided with a driving shaft (15), one end of the driving shaft (15) is sleeved with a gear D (16), the gear D (16) is provided with a gear E (17) and a gear F (18) in a meshing manner, the gear E (17) is fixedly connected to the input shaft (2), and the gear F (18) is fixedly connected to one end of the worm (9).

5. The dual axle output transmission case for a furrower according to claim 1, characterized in that: The driving shaft (5) is sleeved with a gear G (19), the gear G (19) is fixedly connected to the conical gear (4).

6. A dual axle output transmission for a furrower according to claim 1, characterized in that: One side of the gear A (6) is fixedly provided with a ring (23); The housing (1) is provided with a shift fork (20) for shifting the ring (23) to move transversely along the driving shaft (5).