Dual-drive gearbox applied to wheel excavator
By designing a dual-drive gearbox for wheeled excavators, combining clutch and shift fork control with hydraulic motor automatic transmission function, the problems of large size and low efficiency of existing gearboxes are solved, achieving convenient and cost-effective high-efficiency operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-27
AI Technical Summary
The gearboxes of existing wheeled excavators are large and inefficient, which cannot meet the construction requirements.
Design a dual-drive gearbox for wheeled excavators, comprising a gearbox body, an input flange seat, an output shaft, a clutch mechanism, transmission gears, and a hydraulic motor input seat. The gearbox is operated through a clutch and a shift fork, and combined with the automatic transmission function of the hydraulic motor, it achieves automatic drive without the need for gear shifting.
It achieves a dual-drive gearbox that is easy to operate and low in cost, improving work efficiency and ease of operation.
Smart Images
Figure CN224049649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a double drive gearbox applied to a wheel excavator. BACKGROUND
[0002] With the progress of the times, the automobile industry develops rapidly, the automobile gearbox is an important component of the automobile, and the heavy duty truck is an important tool for industrial production and transportation. The traditional heavy duty truck adopts multiple drive and double wheel setting, two load wheels are arranged at the same position, and the two load wheels are driven by an integrated power drive, that is, coaxial drive, and have the same speed, consistent steering and consistent torque. At present, the gearbox commonly used in conventional wheel excavators is mainly an imported gearbox or a gearbox borrowed from a loader. The gearbox of the loader is large in size and low in efficiency, and cannot meet the construction requirements well. SUMMARY
[0003] In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a double drive gearbox applied to a wheel excavator.
[0004] To solve the above technical problems, the utility model adopts the technical scheme of a double drive gearbox applied to a wheel excavator, comprising a gearbox body, an input flange seat is arranged at the top of the gearbox body, through output shaft holes are formed in the front and rear sides of the gearbox body, an output shaft connected to front and rear drive axles is installed at the output shaft hole, a clutch mechanism is arranged on one side of the output shaft, and a hydraulic motor input seat is arranged on one side of the output shaft hole.
[0005] Preferably, the clutch mechanism comprises a clutch, a shift lever shaft and a shift lever, the shift lever is installed on the shift lever shaft, the shift lever is in contact with the clutch, the clutch is installed on the output shaft, and the shift lever shaft is located on one side of the output shaft.
[0006] Preferably, a transmission gear matched with the clutch is installed on the output shaft, the top of the transmission gear is engaged with a transmission shaft, a low-speed driving tooth is installed on the output shaft, a gear shifting shaft is arranged on one side of the output shaft, a driving gear corresponding to the low-speed driving tooth is installed at one end of the gear shifting shaft, and a driven gear is arranged at the other end of the gear shifting shaft.
[0007] Preferably, the driven gear is engaged with an input tooth, the input tooth is installed on an input shaft, and one end of the input shaft is installed on the hydraulic motor input seat.
[0008] Compared with the prior art, the double drive gearbox applied to the wheel excavator has the following beneficial effects: convenient operation and low cost. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is a structure schematic view of the utility model embodiment.
[0010] Figure 2 It is a perspective view of the utility model embodiment.
[0011] Figure 3 It is a connection schematic view of each axis inside the utility model embodiment.
[0012] Figure 4 It is a plan view of each axis connection of the utility model embodiment.
[0013] Marked in the drawing: 1, gearbox body;2, input flange seat;3, output shaft;4, hydraulic motor input seat;5, clutch;6, shift fork shaft;7, shift fork;8, transmission gear;9, transmission shaft;10, driven gear;11, gearshift shaft;12, driving gear;13, low-speed driving gear;14, input gear;15, input shaft;16, switching oil cylinder. DETAILED DESCRIPTION
[0014] In order to let the above-mentioned features and advantages of the utility model more obvious and easy to understand, the following specific embodiment is taken, and the detailed description is as follows in cooperation with the drawings.
[0015] As Figures 1-4 Indicated, a kind of double drive gearbox applied to wheel excavator, including gearbox body 1, the top of the gearbox body 1 is provided with input flange seat 2, the front and rear side of the gearbox body 1 is provided with the output shaft hole passing through, the output shaft hole is installed with the output shaft 3 connected to front and rear drive axle, the output shaft 3 one side is provided with clutch mechanism, the side of the output shaft hole is provided with hydraulic motor input seat 4.
[0016] In the embodiment, the clutch mechanism includes clutch 5, shift fork shaft 6 and shift fork 7, the shift fork 7 is installed on shift fork shaft 6, the shift fork 7 is in contact with clutch 5, the clutch 5 is installed on the output shaft 3, the shift fork shaft 6 is located on the side of the output shaft 3. Switching oil cylinder 16 for controlling clutch mechanism is installed on the gearbox body 1.
[0017] In the embodiment, the output shaft 3 is installed with transmission gear 8 matched with clutch 5, the top of the transmission gear 8 is engaged with a transmission shaft 9, the top of the transmission shaft 9 is installed at input flange seat 2, the output shaft 3 is installed with low-speed driving gear 13, the side of the output shaft 3 is provided with a gearshift shaft 11, one end of the gearshift shaft 11 is installed with driving gear 12 corresponding with low-speed driving gear 13, the other end of the gearshift shaft 11 is provided with driven gear 10.
[0018] In the embodiment, the driven gear 10 is engaged with an input tooth 14, the input tooth 14 is installed on an input shaft 15, one end of the input shaft 15 is installed on the hydraulic motor input seat 4.
[0019] When working: when the shift fork drives the clutch to be in the disengaged state, the output shaft is driven by the transmission input torque to drive the drive axle, at this time the hydraulic motor transmission end is in the disengaged position, and the hydraulic motor is in the non-working state. At this time, the transmission driving work can be randomly shifted, which is beneficial to uphill and high-speed road walking.
[0020] When the shift fork drives the clutch to be in the contact state, at this time the hydraulic motor transmission end is in the connected position, the hydraulic motor output torque drives the output shaft to drive the drive axle through the gear connection. At this time, the transmission input should be in the neutral position. At this time, the drive axle is driven by the hydraulic motor input to realize the automatic shift free walking function, which is convenient for working with stop and go, and does not need to shift operation, and the operation is easy during working, and the efficiency is improved.
[0021] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any skilled person in the art can make any simple modification, equivalent change and modification to the above embodiment without departing from the technical scheme of the present application, and the technical essence of the present application, which should be included in the scope of the present application.
Claims
1. A double drive gearbox for application to a wheel excavator, characterised in that: The gearbox body is provided with an input flange seat at the top, through output shaft holes are formed in the front and rear sides of the gearbox body, output shafts connected to front and rear drive axles are installed at the output shaft holes, a clutch mechanism is arranged on one side of the output shaft, and a hydraulic motor input seat is arranged on one side of the output shaft hole.
2. Double drive gearbox for use in a wheel excavator according to claim 1, characterized in that: The clutch mechanism comprises a clutch, a shift fork shaft and a shift fork, the shift fork is installed on the shift fork shaft, the shift fork is in contact with the clutch, the clutch is installed on the output shaft, and the shift fork shaft is located on one side of the output shaft.
3. Double drive gearbox for a wheel excavator according to claim 2, characterized in that: A transmission gear matched with the clutch is installed on the output shaft, the transmission gear is in mesh with a transmission shaft at the top, a low-speed driving tooth is installed on the output shaft, a gear shifting shaft is arranged on one side of the output shaft, a driving gear corresponding to the low-speed driving tooth is installed on one end of the gear shifting shaft, and a driven gear is arranged on the other end of the gear shifting shaft.
4. Double drive gearbox for use in a wheel excavator according to claim 3, characterized in that: The driven gear is in mesh with an input tooth, the input tooth is installed on an input shaft, and one end of the input shaft is installed on the hydraulic motor input seat.