阅读说明：本技术 一种林业挖掘机装配式拉木装置及林业挖掘机 (Forestry excavator assembled draws wooden device and forestry excavator ) 是由 汤中连 董步军 张卫 王绪通 吴金锋 黄金辉 刘刚强 杜冬洋 初金涛 李乾坤 崔 于 2019-12-20 设计创作，主要内容包括：本发明公开了一种林业挖掘机装配式拉木装置及林业挖掘机,拉木装置包括拉木架；所述拉木架由L形箱体结构和八字形支座结构焊接形成一体；其中,所述L形箱体结构的前端与位于X架顶板和座圈圆环之间设置的矩形空腔结构活动连接；所述L形箱体结构的后端设有拉木钩；所述八字形支座结构的左支腿与左支撑座活动连接,所述左支撑座又与车架上的左驱动座相固接；所述八字形支座结构的右支腿与右支撑座活动连接,所述右支撑座又与车架上的右驱动座相固接。本发明结构简单,方便挖掘机改造、生产装配和维修；拉木架不用时可拆除,提高了挖掘机施工效率。(The invention discloses an assembled wood pulling device of a forestry excavator and the forestry excavator, wherein the wood pulling device comprises a wood pulling frame; the wood pulling frame is formed by welding an L-shaped box body structure and a splayed support structure into a whole; the front end of the L-shaped box body structure is movably connected with a rectangular cavity structure arranged between the top plate of the X frame and the seat ring circular ring; the rear end of the L-shaped box body structure is provided with a wood pulling hook; the left supporting leg of the splayed support structure is movably connected with a left supporting seat, and the left supporting seat is fixedly connected with a left driving seat on the frame; the right supporting leg of the splayed supporting seat structure is movably connected with a right supporting seat, and the right supporting seat is fixedly connected with a right driving seat on the frame. The invention has simple structure, and is convenient for the reconstruction, production assembly and maintenance of the excavator; the pulling frame can be disassembled when not used, so that the construction efficiency of the excavator is improved.)

1. The utility model provides a forestry excavator assembled draws wooden device which characterized in that: comprises a log frame; the wood pulling frame is formed by welding an L-shaped box body structure and a splayed support structure into a whole;

the front end of the L-shaped box body structure is movably connected with a rectangular cavity structure arranged between the top plate of the X frame and the seat ring circular ring;

the rear end of the L-shaped box body structure is provided with a wood pulling hook;

the left supporting leg and the left supporting seat of the splayed supporting seat structure are movably connected, and the left supporting seat is connected with the left supporting seat

The left driving seat on the frame is fixedly connected;

the right supporting leg of the splayed supporting seat structure is movably connected with a right supporting seat, and the right supporting seat is connected with the right supporting seat

The right driving seat on the frame is fixedly connected.

2. The forest excavator assembled type timber pulling device according to claim 1, wherein: the rectangular cavity structure comprises a left vertical plate, a right vertical plate and a top plate;

the bottom surfaces of the left vertical plate and the right vertical plate are symmetrically welded on a top plate of the X-frame, the side surfaces of the left vertical plate and the right vertical plate are welded with the seat ring circular ring, and the top plate is welded on the top surfaces of the left vertical plate and the right vertical plate;

the left vertical plate and the right vertical plate are respectively provided with a concentric shaft hole, the outer side of the shaft hole of the right vertical plate is welded with a stop sleeve, the front part of the log pulling frame is inserted into the rectangular cavity structure and is connected with a penetrating shaft, and the stop sleeve and the bolt hole on the shaft are inserted by bolts and then are fixed by double nuts.

3. The forest excavator assembled type timber pulling device according to claim 2, wherein: symmetrical rib plates are welded on the outer sides of the left vertical plate and the right vertical plate, arc-shaped reinforcing plates are welded among the X-frame top plate, the X-frame bottom plate and the X-frame rear vertical plate, and a window is formed in the middle lower portion of each arc-shaped reinforcing plate.

4. The forest excavator assembled type timber pulling device according to claim 1, wherein: the right supporting seat and the left supporting seat are symmetrically arranged about a symmetrical plane vertical to the top plate of the X frame;

the left supporting seat comprises a mounting plate, a butt plate and an inclined upright post;

the mounting plate is mounted on the bottom surface of the inclined upright post, and the butt plate is welded at the upper port of the inclined upright post in a positioning manner to form a closed upright post;

the mounting plate is provided with bolt through holes corresponding to the upper mounting seat and the lower mounting seat of the left driving seat, and the shape of the mounting plate is similar to the shape of the upper mounting seat and the lower mounting seat;

the butt-joint plate is provided with through holes with the same size, quantity and position as those of the butt-joint plate on the wood pulling frame.

5. The forest excavator assembled type timber pulling device according to claim 1, wherein: the L-shaped box body structure is formed by welding a top plate, a sealing plate, a left side plate, a right side plate, a bottom plate and a cover plate in a positioning manner;

the front ends of the left and right side plates in the L-shaped box body structure of the horizontal part are provided with through shaft holes which are used for matching with the shaft holes in the rectangular cavity structure;

two draw hooks are symmetrically welded on the cover plate in the L-shaped box structure at the vertical part.

6. The forest excavator assembled type timber pulling device according to claim 5, wherein the timber pulling device comprises: the left side plate shaft hole and the right side plate shaft hole are provided with reinforcing rings, and reinforcing vertical plates are arranged inside the L-shaped box body structure according to the strength.

7. The forest excavator assembled type timber pulling device according to claim 5, wherein the timber pulling device comprises: the upper end of the L-shaped box body structure of the vertical part is designed to be inclined backwards, so that the abrasion among the rope, the cover plate and the wood pulling hook is effectively reduced.

8. The forest excavator assembled type timber pulling device according to claim 5, wherein the timber pulling device comprises: the distance between the vertical part of the L-shaped box body structure and the axle holes of the left side plate and the right side plate is larger than the gyration radius of the excavator, so that the interference with the counterweight of the excavator during rotation is avoided.

9. The forest excavator assembled type timber pulling device according to claim 1, wherein: the splayed support structure comprises a left support leg, a right support leg and a bent bottom plate, wherein the left support leg and the right support leg are respectively formed by welding an upper plate, a butt plate, a front vertical plate, a rear vertical plate and a lower plate;

the inclination angles of the left and right supporting legs are the same as those of the left and right supporting seats;

the L-shaped box body structure is inserted into the opening of the splayed support structure and then is positioned according to the positions of the left support seat and the right support seat and then is welded into a whole.

10. The utility model provides a forestry excavator, includes frame, its characterized in that: a forestry excavator fabricated lumber device of any one of claims 1 to 9 is mounted on the frame.