CN222377162U - Transmission system of trimming operation machine - Google Patents

Abstract

The utility model discloses a trimming operation machine transmission system which comprises a power input shaft, a walking power output shaft and an operation power output shaft, wherein the power input shaft is in transmission connection with the walking power output shaft through a first reduction gear mechanism, a second reduction gear mechanism is arranged between the walking power output shaft and the operation power output shaft, and the operation power output shaft is in transmission connection with a transmission piece which is in clutch fit with the second reduction gear mechanism. The scheme solves the problem that the use safety is low because the existing trimming working machine cannot independently control the working power.

Description

Transmission system of trimming operation machine

Technical Field

The utility model relates to a trimming operation machine, in particular to a trimming operation machine transmission system.

Background

The pruning machine is a machine that performs walking and pruning operations using a small engine as power. The Chinese patent document CN204948867U discloses a self-propelled tea garden double-side trimming machine, which comprises a power assembly, a cutter assembly driven by the power assembly, a travelling mechanism and a control mechanism, wherein the travelling mechanism consists of a rear wheel support and a front wheel support extending forwards from the upper part of the rear wheel support, the lower parts of the rear wheel support and the front wheel support are respectively connected with the rear wheel and the front wheel, the power assembly and the cutter assembly are supported above the rear wheel support, the cutter assembly downwards extends to form a left cutter and a right cutter between the rear wheel support and the front wheel support, two sides of the power assembly backwards extend to form Y-shaped control handles, in addition, a gasoline engine for outputting power to the power assembly is arranged in the middle of the control handles, throttle handles connected with a gasoline engine throttle through a throttle flexible shaft are hinged above the control handles, and clutch handles for driving the rear wheel to be braked through clutch wires are hinged below the control handles. When the device is used, the clutch handle only controls the clutch brake of the rear wheel so as to control the walking of the machine, and the action speed of the cutter assembly is controlled by the throttle of the gasoline engine, so that when the gasoline engine is in a working state, the cutter assembly is always in the working state.

However, in actual use, the trimming cutter of the trimming machine is relatively sharp, and when the trimming operation is completed in stages, the trimming cutter is still in a working state at the moment and the risk of hurting people by the trimming cutter is easily increased, so that the use safety of the trimming machine is reduced.

Disclosure of utility model

The utility model aims to provide a transmission system of a trimming working machine, which solves the problem that the use safety is low because the existing trimming working machine cannot independently control working power.

In order to achieve the above purpose, the basic scheme of the utility model provides a trimming working machine transmission system, which comprises a power input shaft, a walking power output shaft and a working power output shaft, wherein the power input shaft is in transmission connection with the walking power output shaft through a first reduction gear mechanism, a second reduction gear mechanism is arranged between the walking power output shaft and the working power output shaft, and a transmission piece in clutch fit with the second reduction gear mechanism is in transmission connection with the working power output shaft.

The basic scheme has the advantages that the power input shaft sequentially transmits power to the walking power output shaft and the operation power output shaft, and the on-off of the operation power output shaft can be regulated under the condition that the on-off of the power of the walking power output shaft is not influenced by controlling the clutch relation between the transmission part and the second reduction gear mechanism, so that the on-off of the operation power is controlled only, the operation power is conveniently disconnected under the condition that the pruning operation machine does not lose the walking power, and the use safety of the pruning operation machine is improved. Meanwhile, the transmission part is arranged after multi-stage speed reduction, so that the reliability and the comfort of the use of the transmission part can be effectively ensured.

Preferably, the second reduction gear mechanism comprises a second reduction driven gear rotationally connected with the operation power output shaft, the transmission piece is in spline fit with the operation power output shaft, and the transmission piece is in clutch fit with the second reduction driven gear. By adopting the arrangement, after the transmission piece is combined with the second speed reduction driven gear, the second speed reduction driven gear transmits power to the operation power output shaft through the transmission piece, so that the transmission path of the power is simple, and the reliability is improved.

Preferably, the transmission piece is in clutch fit with the second reduction driven gear through a jaw type joint. By adopting the arrangement, the use reliability of the transmission piece is further improved.

Preferably, the transmission member is connected with a control mechanism for driving the transmission member to slide along the operation power output shaft, the control mechanism comprises a guide rod which is arranged in parallel with the operation power output shaft, the guide rod is connected with a transmission arm in a sliding manner, the transmission arm is rotationally connected with the transmission member, and the transmission arm is connected with a control arm. By adopting the arrangement, the transmission part is operated through the control mechanism, so that the operation convenience and reliability are improved.

Preferably, an elastic member for maintaining a separation tendency of the transmission member from the second reduction driven gear is connected to the guide rod. By adopting the arrangement, after the force for combining the transmission part and the second reduction driven gear disappears, the transmission part can be rapidly separated from the second reduction driven gear under the action of the elastic part, so that the power of the operation power output shaft is disconnected, the timeliness of the disconnection of the operation power is further ensured, and the safety of the pruning operation machine is improved.

Preferably, the output end of the working power output shaft is connected with a gear support frame, the working power output shaft is connected with a working power driving bevel gear, the gear support frame is connected with a working power driven bevel gear meshed with the working power driving bevel gear, and the working power driven bevel gear is connected with a working shaft. With such an arrangement, the reliability of the operation power transmission can be improved.

Preferably, the walking power output shaft is connected with a walking power transmission shaft through a walking bevel gear mechanism, and the output end of the walking power transmission shaft is connected with a walking wheel shaft through a worm gear mechanism. With such arrangement, the reliability of the traveling power transmission is improved.

Preferably, a walking clutch mechanism is arranged between the walking wheel shaft and the worm and gear mechanism. By adopting the arrangement, the on-off of the walking power is conveniently controlled, so that the practicability is improved.

The utility model has the following beneficial effects:

By adopting the scheme, the power transmission of the pruning operation machine is reliable, and the on-off of the pruning operation power can be independently controlled under the condition of not influencing the walking power, so that the use safety of the pruning operation machine is improved.

Drawings

FIG. 1 is a schematic illustration of an embodiment of a transmission system for a trimming machine in accordance with the present utility model;

FIG. 2 is a schematic diagram illustrating the cooperation between the driving member and surrounding components in FIG. 1;

FIG. 3 is a schematic view of the output end of the work power output shaft of FIG. 1;

FIG. 4 is a schematic illustration of a traveling power transmission portion of a cutting work machine drive system according to the present utility model;

fig. 5 is a schematic diagram showing the cooperation of a traveling power transmission shaft and a worm gear of a transmission system of a trimming working machine.

Detailed Description

The following is a further detailed description of the embodiments:

The reference numerals in the drawings of the specification include an engine 1, a power input shaft 2, a first reduction driving gear 31, a first reduction driven gear 32, a traveling power output shaft 4, a second reduction driving gear 51, a second reduction driven gear 52, a guide rod 61, an elastic member 62, a transmission arm 63, a control arm 64, a transmission member 7, a working power output shaft 8, a gear support frame 9, a working shaft 10, a traveling power transmission shaft 11, a worm 12, a traveling wheel shaft 13, and a worm wheel 14.

An embodiment is substantially as shown in figures 1 to 5 of the drawings.a transmission system for a trimming working machine comprises a power input shaft 2, a travelling power output shaft 4 and a working power output shaft 8. The power input shaft 2 is in transmission connection with the walking power output shaft 4 through a first reduction gear mechanism. In this embodiment, the first reduction gear mechanism includes a first reduction driving gear 31 and a first reduction driven gear 32 which are engaged with each other, the first reduction driving gear 31 is fixedly connected to the power input shaft 2, and the first reduction driven gear 32 is fixedly connected to the walking power output shaft 4. A second reduction gear mechanism is arranged between the walking power output shaft 4 and the working power output shaft 8. In this embodiment, the second reduction gear mechanism includes a second reduction driving gear 51 and a second reduction driven gear 52 which are meshed with each other, the second reduction driving gear 51 is fixedly connected with the walking power output shaft 4, and the second reduction driven gear 52 is sleeved on the working power output shaft 8 in a hollow manner, so that the second reduction driven gear 52 is in running fit with the working power output shaft 8. The operation power output shaft 8 is connected with a transmission piece 7 which is in clutch fit with the second reduction gear mechanism in a transmission way. In this embodiment, the transmission member 7 is spline-engaged with the working power output shaft 8, and the transmission member 7 is clutch-engaged with the second reduction driven gear 52. Specifically, the clutch matching mode is jaw clutch matching, and the transmission piece 7 and the second reduction driven gear 52 are provided with jaw joints which are matched with each other.

The transmission member 7 is connected to a control mechanism for driving the transmission member 7 to slide along the working power output shaft 8. The control mechanism comprises a guide rod 61 which is arranged in parallel with the operation power output shaft 8, a transmission arm 63 is connected to the guide rod 61 in a sliding manner, the transmission arm 63 is connected with the transmission member 7 in a rotating manner, so that the rotation of the transmission member 7 is not affected when the transmission arm 63 slides along the guide rod 61, a control arm 64 is connected to the transmission arm 63, and the transmission arm 63 is driven to move by operating the control arm 64. An elastic member 62 for keeping the transmission member 7 and the second reduction driven gear 52 in a separated trend is connected to the guide lever 61. Specifically, the elastic member 62 is preferably a coil spring, and the elastic member 62 is sleeved on the guide rod 61 and is located at one side of the transmission member 7 facing the second reduction driven gear 52, one end of the elastic member 62 is fixed to the guide rod 61, and the other end of the elastic member 62 is fixed to the transmission arm 63, so that the transmission arm 63 has a tendency to drive the transmission member 7 away from the second reduction driven gear 52 under the elastic force of the elastic member 62.

The output end of the operation power output shaft 8 is connected with a gear support 9, the operation power output shaft 8 is connected with an operation power driving bevel gear, the gear support 9 is connected with an operation power driven bevel gear meshed with the operation power driving bevel gear, and the operation power driven bevel gear is connected with an operation shaft 10. In this embodiment, two working shafts 10 are provided to facilitate the operation of two sets of pruning tools. The walking power output shaft 4 is connected with a walking power transmission shaft 11 through a walking bevel gear mechanism, and the output end of the walking power transmission shaft 11 is connected with a walking wheel shaft 13 through a worm gear mechanism. Specifically, the walking power transmission shaft 11 is coaxially connected and fixed with the worm 12, and the walking wheel shaft 13 is coaxially arranged with the worm wheel 14 of the worm gear mechanism and is connected with the worm gear mechanism through the walking clutch mechanism.

The power input shaft 2 sequentially transmits the power of the engine 1 to the walking power output shaft 4 and the operation power output shaft 8, and the on-off of the operation power output shaft 8 can be regulated under the condition that the on-off of the power of the walking power output shaft 4 is not influenced by controlling the clutch relation between the transmission piece 7 and the second reduction gear mechanism, so that the on-off control of the operation power is realized, the operation power is conveniently disconnected under the condition that the pruning operation machine does not lose the walking power, and the use safety of the pruning operation machine is improved.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (8)

1. A transmission system of a pruning machine, comprising a power input shaft, a travel power output shaft and an operating power output shaft, wherein the power input shaft and the travel power output shaft are connected via a first reduction gear mechanism, and a second reduction gear mechanism is provided between the travel power output shaft and the operating power output shaft, and is characterized in that: the operating power output shaft is connected via a transmission member that engages and disengages with the second reduction gear mechanism. 2. The mowing machine transmission system according to claim 1 is characterized in that: the second reduction gear mechanism includes a second reduction driven gear rotatably connected to the working power output shaft, the transmission member is splined with the working power output shaft, and the transmission member is clutched with the second reduction driven gear. 3. The transmission system of the trimming machine according to claim 2, characterized in that the transmission member and the second reduction driven gear are engaged and disengaged via a tooth-type coupling portion. 4. The mowing machine transmission system according to claim 3 is characterized in that: the transmission member is connected to a control mechanism for driving the transmission member to slide along the working power output shaft, the control mechanism includes a guide rod arranged parallel to the working power output shaft, a transmission arm is slidably connected to the guide rod, the transmission arm is rotatably connected to the transmission member, and a control arm is connected to the transmission arm. 5. The transmission system of the trimmer according to claim 4, characterized in that an elastic member for keeping the transmission member and the second reduction driven gear in a separation tendency is connected to the guide rod. 6. The mowing machine transmission system according to any one of claims 1 to 5 is characterized in that: the output end of the working power output shaft is connected to a gear support frame, the working power output shaft is connected to a working power active bevel gear, the gear support frame is connected to a working power driven bevel gear meshing with the working power active bevel gear, and the working power driven bevel gear is connected to a working shaft. 7. The transmission system of the trimming machine according to claim 6, characterized in that the travel power output shaft is connected to the travel power transmission shaft through a travel bevel gear mechanism, and the output end of the travel power transmission shaft is connected to the travel wheel shaft through a worm gear mechanism. 8. The transmission system of the trimming machine according to claim 7, characterized in that a travel clutch mechanism is provided between the travel wheel shaft and the worm gear mechanism.