Rotation device of the manipulator harvesting machine

 

The invention relates to hoisting and transport machinery, in particular to the equipment forestry machines manipulator type, and can be used, for example, in the forest industry. Rotation device includes a support rotatable roller, a stationary part which is rigidly fixed on the frame of the self-propelled chassis and is provided on the inner circumference of the ring gear, and the movable part is rigidly mounted a turntable. On the platform is mounted manipulator and the mechanism of its rotation in a horizontal plane relative to the frame of the self-propelled chassis. On the output shaft of the rotation mechanism established leading gear that is in mesh with a ring gear fixed part. At the free end of the output shaft of the rotation mechanism is selected sector with the possibility of rotation about the vertical axis of the output shaft. Sector from its circular arc pivotally connected with a fixed part of the support with the possibility of running in a groove made around the circumference of the fixed portion of the support. In the sector made the grooves in which is installed the slider and through which the sector is mounted on the free end of the output shaft of the rotation mechanism, while palsonic studs with the right threads on one end and left - at the other. The invention improves the reliability and durability of the device. 3 C.p. f-crystals, 3 ill.

The invention relates to the field of technological equipment forestry machines manipulator type, namely the support-rotating devices, and can be used in the forest industry and forestry.

Known rotation device of the manipulator harvesting machine, comprising a tube mounted on U-shaped farm inserted into the tube of the rotary column, on which is mounted manipulator with its actuator, and the rotation mechanism of the manipulator in the horizontal plane (kussakin N. F. The design and operation of the skidders: Textbook. allowance for vocational schools. - M.: Forest industry. 1985. - 272 S., see S. 136, and Fig. 79).

Known rotation device of the manipulator harvesting machine is used, generally, to machines of small and medium capacity and a rotation angle in the horizontal plane less than 360o.

Closest to the invention is a rotation device of the manipulator harvesting machine, comprising a support rotatable roller, lower stationary part to which the second movable part is rigidly mounted a turntable, on which is mounted the arm and the rotation mechanism of the platform with manipulator in the horizontal plane relative to the frame of the self-propelled chassis, including the engine and gearbox on the output shaft which is rigidly mounted a leading gear that is in mesh with a ring gear fixed part (Circles B. C., Borman, M. A., B. N. Ermolov, Queens, C. E., Popov B. C. Feller-Bunchers machine PL-19. - M.: Forest industry, 1982. - 288 S., see S. 15 Fig. 5, 20 C. Fig. 9, S. 21 Fig. 10 and S. 33 Fig. 19).

Known rotation device of the manipulator harvesting machine has the disadvantage that the leading gear on the output shaft of the gearbox installed the console and when significant loads on the manipulator is misalignment pinion and ring gear, and the engagement is not along the entire length of the teeth, resulting in reduced durability and even fracture of the teeth.

To eliminate this drawback in the support-rotating device of the manipulator harvesting machine, comprising a support rotatable roller, lower stationary part which is rigidly fixed on the frame of the self-propelled chassis and is provided on the inner circumference of the ring gear, and on top of podirectory with the manipulator in the horizontal plane relative to the frame of the self-propelled chassis, including the engine and gearbox, the output shaft which is rigidly mounted a leading gear that is in mesh with a ring gear fixed part, on the free end of the output shaft of the rotation mechanism is selected sector with the possibility of rotation about the vertical axis of the output shaft, a party to the arc of a circle sector pivotally connected with the lower fixed part of the support with the possibility of spinning the diameter of the last circle of the groove made around the circumference of the fixed portion of the support, while in the sector can be made grooves parallel to the radius of the sector in which you installed the slider and through which the sector is mounted on the free end of the output shaft of the rotation mechanism, and the slider includes a mechanism of forced displacement in the grooves, for example, in the form of turnbuckles or threaded studs with the right threads on one of their ends and the left - on the other, the sector or the slider sector mounted on the free end of the output shaft of the rotation mechanism with the help of a rolling bearing, and in the groove between the sector and the lower fixed part of the established body of rotation.

In this embodiment of the device eliminates the console output shaft of the rotation mechanism of the platform, eliminates the bias in the St and the scientific and technical literature is similar to the design of a turntable manipulator forest machines we have not identified.

In Fig. 1 shows a rotation device of the manipulator harvesting machine, the section of Fig.2), the same type of sector with the slide in the direction of arrow a in Fig.1; Fig.3 is a view along arrow b of Fig.1.

Rotation device of the manipulator harvesting machine includes a support rotatable roller containing the lower stationary part 1, which is rigidly through holes 2 is fixed via a support ring on the frame of the self-propelled chassis (Fig.1 conditionally support ring and the frame is self-propelled chassis not shown), the upper movable portion 3, on which is rigidly mounted swivel platform 4 with a handle (not shown) and the rotation mechanism 5 turntable 4 with the arm in a horizontal plane relative to the frame of the self-propelled chassis. The upper movable part 3 is rotated relative to the lower fixed part 1 on the rolling elements 6, for example rollers. On the output shaft 7 of the rotation mechanism 5, for example gear with the engine on the input shaft is rigidly mounted a leading gear 8, the teeth of which engages with the teeth of the ring gear 9, is made along the inner circumference of the lower fixed part 1. At the free end of the output shaft 7 has a sector 10 with chief 10 pivotally connected with the lower fixed part 1 support with the possibility of spinning the diameter of the last circle of the groove 11. In sector 10 can be made grooves 12 are parallel to the radius of the 13 sector 10 has a slider 14, and the sector 10 is installed on the output shaft 7 of the turning mechanism 5 through the slider 14, which is equipped with a mechanism of forced displacement in the grooves 12, for example, threaded rods 15 with the opposite directions of the threads, right and left, at their ends or lanyards. The RAM 14 or the sector 10 is installed on the output shaft 7 of the turning mechanism 5 through the bearing 16 and is secured by a threaded nut 17 through the washer 18. In the groove 11 between sector 10 and the lower stationary part 1 is established body of revolution 19.

Rotation device of the manipulator harvesting machine operates as follows.

The statement includes a rotation mechanism 5 turntable 4. When the output shaft 7 with the pinion 8 will be forced to rotate around its vertical axis and rotating in bearings 16 and 20, the teeth of the pinion 8 obkatyvalisj serrated crown 9 fixed part 1 and the upper movable part 3 together with the turntable 4 rotates in a horizontal plane on the rolling elements 6, sector 10, a driven output shaft 7, rolls together is R 10, it virtually eliminates the bias in the engagement of the teeth of the pinion 8 and gear 9. In the process of installation and operation can be adjusted by the gap in engagement leading gear 8 and gear 9 by the movement of the rotation mechanism 5 on the rotary platform 4 and the movement of the slide 14 along the slots 12 by means of threaded studs 15.

In such a constructive implementation of a turntable, arm harvesting machine, virtually eliminated the bias in the engagement of the teeth of the pinion 8 and gear 9, which increases the reliability and durability of the device.

Claims

1. Rotation device of the manipulator harvesting machine, comprising a support rotatable roller, lower stationary part which is rigidly fixed on the frame of the self-propelled chassis and is provided on the inner circumference of the ring gear, and the upper movable part is rigidly mounted a turntable on which is mounted the arm and the rotation mechanism of the platform with manipulator in the horizontal plane relative to the frame of the self-propelled chassis, with the output shaft of the rotation mechanism established leading gear, finding the swing mechanism is selected sector with the possibility of rotation about the vertical axis of the output shaft, party on the arc of a circle sector pivotally connected with the lower fixed part of the support with the possibility of running in a groove made around the circumference of the fixed portion of the support.

2. The device under item 1, characterized in that sector made grooves parallel to the radius of the sector in which you installed the slider and through which the sector is mounted on the free end of the output shaft of the rotation mechanism, the slider includes a mechanism of forced displacement in the grooves, made for example in the form of turnbuckles or threaded studs with the right threads on one end and left - on the other.

3. The device under item 1 or 2, characterized in that sector or slider sector mounted on the free end of the output shaft of the rotation mechanism with the help of a rolling bearing.

4. The device under item 1, characterized in that the groove between the sector and the fixed part set body rotation.

 

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