CN212564325U

CN212564325U - Gearbox of remote control mower

Info

Publication number: CN212564325U
Application number: CN202021311864.2U
Authority: CN
Inventors: 李平
Original assignee: Yantai Chengfeng Machinery Technology Co ltd
Current assignee: Yantai Chengfeng Machinery Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-19
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a gearbox of remote control mower, which comprises a box body, a gearbox main shaft is pivoted on the box body, a first bevel gear is fixedly arranged at one end of the gearbox main shaft in the box body, a driven shaft is pivoted in the box body, the axial direction of the driven shaft is orthogonal to the axial direction of the gearbox main shaft, two second bevel gears are fixedly arranged on the driven shaft, the two second bevel gears are respectively meshed with the left side and the right side of the first bevel gear, the two ends of the driven shaft are respectively and fixedly connected with a clutch shifting fork, an idle shaft concentric with the driven shaft and a gearbox output shaft sleeve orthogonal to the axial direction of the driven shaft are respectively pivoted outside the clutch in the box body, the inner end of the idle shaft is connected with the driven shaft through the clutch, the outer end of each idle shaft is respectively and fixedly connected with a third bevel gear, a fourth bevel gear is fixedly arranged on each, each cutter shaft is fixedly connected with a cutter holder after extending out of the box body. The utility model discloses cut the width of cloth greatly.

Description

Gearbox of remote control mower

Technical Field

The utility model relates to an aviation ground clothing machinery specifically is a remote control lawn mower gearbox.

Background

The remote control mowing machine has the advantages of high efficiency and labor saving, is favored by people, is expanded to non-agricultural fields such as large airports, stations, golf courses and the like from the agricultural field, and has the following defects that 1, the existing remote control mowing machine does not have a mowing gearbox, a cutter is a single group of cutters directly connected with an engine shaft, the cutting range is small, and the existing remote control mowing machine is difficult to meet the large-area mowing requirements of the large airports, stations, golf courses and the like. 2 the cutter does not have the separation and reunion, not only causes power waste, reduces the life of machine, and it has certain potential safety hazard still to hit the stone easily to walk on the road in addition. 3 stay grass height adjustment and must be accompanied with the engine generator and go up and down together, this stability that has not only influenced the machine causes inconvenience for the installation of intelligent lawn mower external equipment moreover.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect of prior art, the utility model discloses a gearbox of mowing for large-scale remote control lawn mower, the technical scheme who takes is:

the gearbox of the remote control mower comprises a box body, a gearbox main shaft is pivoted on the box body, a first bevel gear is fixedly arranged at one end of the gearbox main shaft in the box body, and the gearbox is different from the prior art in that: a driven shaft is pivoted in the box body, the axial direction of the driven shaft is orthogonal to the axial direction of the main shaft of the gearbox, two second bevel gears are fixedly arranged on the driven shaft and are respectively meshed with the left side and the right side of the first bevel gear, the two ends of the driven shaft are respectively fixedly connected with a clutch shifting fork, a medium wheel shaft concentric with the driven shaft and a transmission case output shaft sleeve axially orthogonal to the driven shaft are respectively pivoted in the box body and the outer side of the clutch, the inner end of the intermediate wheel shaft is connected with the driven shaft through the clutch, the outer end of each intermediate wheel shaft is fixedly connected with a third bevel gear, a fourth bevel gear is fixedly arranged on each gearbox output shaft sleeve, the third bevel gear is meshed with the fourth bevel gear, a cutter shaft is arranged in each gearbox output shaft sleeve in a spline fit mode, and each cutter shaft extends out of the gearbox body and then is fixedly connected with a cutter holder.

Furthermore, the transmission main shaft and the transmission output shaft sleeve are pivoted on the box body through at least one pair of cone bearings and oil seals.

Further, the clutch shifting fork penetrates out of the box body in a sealing mode.

Further, the tool shaft is axially displaceable relative to the gearbox output sleeve.

Further, when rotating the clutch shift fork, the clutch shift fork compresses clutch tensioning spring, the clutch is in the disengagement state, and when the clutch shift fork is in the natural state, clutch tensioning spring kick-backs, the clutch is in the bonding state.

Compared with the prior art, the utility model discloses a gearbox can directly link with the engine, also can be through belt drive, and the gearbox is inside to be divided into two output shafts that transmit the gearbox through the gear train with engine power and sheathe in, cuts the width of cloth and has increased one time, and the cutter axle passes through splined connection transmission power with gearbox output shaft cover, and the cutter axle can slide freely and adjust cutter terrain clearance from top to bottom in gearbox output shaft cover, and the engine need not to adjust and remove from top to bottom along with the cutter with gearbox snap-on in the frame. Therefore, the stability of the machine is improved, and facilities such as an external sensor, a camera, a control equipment interface and the like required by intelligent control can be conveniently installed. The front part of an output shaft sleeve of the gearbox is provided with a friction clutch which can conveniently control the cutter to be shut down and operated. The gearbox is applied to a large-scale remote control mower, the efficiency and the whole machine performance of the remote control mower are greatly improved, and a mechanical foundation is laid for the intellectualization of the mower.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "pivoted," "secured," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; unless the movable connection is explicitly defined as a detachable connection. These connections are conventional in the art, and those skilled in the art will understand the specific meaning of the above terms in the present invention according to the specific situation.

The utility model provides a remote control lawn mower gearbox, includes box 100, box 100 pivot establishes gearbox main shaft 1, is located in box 100 the one end of gearbox main shaft 1 sets firmly first bevel gear 2, its characterized in that: a driven shaft 11 is pivoted in the box body 100, the axial direction of the driven shaft 11 is orthogonal to the axial direction of the transmission main shaft 1, two second bevel gears 3 are fixedly arranged on the driven shaft 11, the two second bevel gears 3 are respectively meshed with the left side and the right side of the first bevel gear 2, two ends of the driven shaft 11 are respectively fixedly connected with a clutch 4 with a clutch shifting fork 5, an intermediate gear shaft 6 concentric with the driven shaft 11 and a transmission output shaft sleeve 9 orthogonal to the axial direction of the driven shaft 11 are respectively pivoted in the box body 100 and outside of the clutch 4, the inner end of the intermediate gear shaft 6 is connected with the driven shaft 11 through the clutch 4, the outer end of each intermediate gear shaft 6 is respectively fixedly connected with a third bevel gear 7, a fourth bevel gear 8 is fixedly arranged on each transmission output shaft sleeve 9, the third bevel gear 7 is meshed with the fourth bevel gear 8, a cutter shaft 10 is arranged in each transmission output shaft sleeve 9 through spline matching, each tool shaft 10 extends out of the box 100 and is fixedly connected with a tool apron. The main shaft 1 and the output shaft sleeve 9 of the gearbox are pivoted on the box body 100 through at least one pair of conical bearings 12 and an oil seal 14. The clutch shifting fork 5 penetrates out of the box body 100 in a sealing mode. The tool shaft 10 is axially displaceable relative to the gearbox output sleeve 9. When rotating clutch shift fork 5, clutch shift fork 5 compresses clutch tensioning spring 16, clutch 4 is in the disengagement state, works as when clutch shift fork 5 is in the natural state, clutch tensioning spring 16 kick-backs, clutch 4 is in the bonding state.

The engine transmits power to a transmission main shaft 1 through a belt or a direct connection, a first bevel gear 2 is installed on the transmission main shaft 1, a second bevel gear 3 is installed on a driven shaft, the first bevel gear 2 and the second bevel gear 3 are meshed at 90 degrees to transmit the power to the driven shaft 11, clutches 4 are installed at the left end and the right end of the driven shaft 11, the driven shaft 11 is connected with an intermediate shaft 6 through the clutches 4, the clutches 4 are in a normally closed state, the driven shaft 11 transmits the power to the intermediate shaft 6 through the clutches 4 during working, a third bevel gear 7 is installed on the intermediate shaft 6, a fourth bevel gear 8 is installed on a transmission output shaft sleeve 9, the third bevel gear 7 is meshed at 90 degrees with the fourth bevel gear 8, the power on the intermediate shaft is transmitted to the transmission output shaft sleeve 9 through the third bevel gear 7 and the fourth bevel gear 8, the transmission output shaft sleeve 9 is in sealing connection with a transmission box body through, the inner hole of the shaft sleeve is processed into an inner spline matched with the cutter shaft 10, so that the cutter shaft 10 can slide up and down in the output shaft sleeve 9 of the gear box under the fixed state of the gear box, the height of the cutter above the ground is adjusted, and power is transmitted to the cutter shaft. When the clutch fork 5 is rotated to compress the clutch tension spring 16, the clutch 4 is in a separation state, so that the power transmission between the driven shaft 11 and the intermediate shaft 6 is cut off, and the cutter stops running to finish the purpose of clutch separation.

The utility model discloses be not limited to above-mentioned embodiment, all adopt and the utility model discloses similar structure realizes the utility model discloses all modes of purpose all are within the protection scope of the utility model.

Claims

1. The utility model provides a remote control lawn mower gearbox, includes box (100), box (100) pivot is established gearbox main shaft (1), is located in box (100) the one end of gearbox main shaft (1) sets firmly first bevel gear (2), its characterized in that: a driven shaft (11) is pivoted in the box body (100), the axial direction of the driven shaft (11) is orthogonal to the axial direction of the transmission main shaft (1), two second bevel gears (3) are fixedly arranged on the driven shaft (11), the two second bevel gears (3) are respectively meshed with the left side and the right side of the first bevel gear (2), two ends of the driven shaft (11) are respectively and fixedly connected with a clutch (4) with a clutch shifting fork (5), an intermediate wheel shaft (6) concentric with the driven shaft (11) and a transmission output shaft sleeve (9) axially orthogonal to the driven shaft (11) are respectively pivoted in the box body (100) and on the outer side of the clutch (4), the inner end of the intermediate wheel shaft (6) is connected with the driven shaft (11) through the clutch (4), and the outer end of each intermediate wheel shaft (6) is respectively and fixedly connected with a third bevel gear (7), a fourth bevel gear (8) is fixedly arranged on each gearbox output shaft sleeve (9), the third bevel gear (7) is meshed with the fourth bevel gear (8), a cutter shaft (10) is arranged in each gearbox output shaft sleeve (9) in a spline fit mode, and each cutter shaft (10) extends out of the box body (100) and then is fixedly connected with a cutter holder.

2. A remote mower gearbox according to claim 1 and further comprising: the transmission main shaft (1) and the transmission output shaft sleeve (9) are pivoted on the box body (100) through at least one pair of conical bearings (12) and an oil seal (14).

3. A remote mower gearbox according to claim 1 and further comprising: the clutch shifting fork (5) penetrates out of the box body (100) in a sealing mode.

4. A remote mower gearbox according to claim 1 and further comprising: the tool shaft (10) can be axially displaced relative to the gearbox output shaft sleeve (9).

5. A remote mower gearbox according to claim 1 and further comprising: when rotating clutch shift fork (5), clutch shift fork (5) compression clutch tensioning spring (16), clutch (4) are in the disengagement state, work as when clutch shift fork (5) are in the natural state, clutch tensioning spring (16) kick-backs, clutch (4) are in the joint condition.