Special logging winch for tractor

Abstract

A skidding winch special for a tractor comprises a bottom plate, a gearbox, a connecting rod, a linkage rod, a clutch oil cylinder, a winch part, an auxiliary part and a power transmission part. The clutch oil cylinder is arranged, the outer teeth of the sliding sleeve are meshed with or separated from the inner gear of the winch winding drum through shifting of the shifting fork, the sliding sleeve is connected with or separated from the winch winding drum, and therefore the winch winding drum rotates or stops, and wood collecting operation is completed. The control band-type brake oil cylinder is arranged, the locomotive is locked by controlling the band-type brake oil cylinder, and when the locomotive is started and dragged to a preset place and wood is unloaded, a band-type brake manual rod is manually operated to slowly release a brake band, the wood gradually descends to the ground, and the wood is prevented from falling suddenly; the device has the characteristics of compact structure, simplicity in operation, high efficiency, labor saving, wide application range and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of forestry machinery and equipment, in particular to a special skidding winch for tractors. Background Art

[0002] Felling machinery, especially logging machinery, needs to be updated. To meet the needs of forest harvesting, the old-fashioned ivy-specific logging tractors are mostly bulky, especially the winch part, with low work efficiency, complicated manual operation, high fuel consumption, and labor-intensive. In view of the current situation, the utility model is designed. Summary of the invention

[0003] The purpose of the utility model is to provide a tractor-specific timber skidding winch, which adopts a series of agricultural machinery wheeled small and medium-sized tractors in conjunction with the utility model tractor-specific timber skidding winch, solves many problems such as the difficulty of large-scale timber skidding machinery and equipment entering the forest felling area, high cost and damage to the forest, and low efficiency of human loading, and can better operate on the timber skidding site, such as gathering wood for use in places with poor road conditions such as forests and mountains, and has the characteristics of compact structure, simple operation, high efficiency, labor saving, wide application range, etc.

[0004] To achieve the above-mentioned purpose, the technical solution of the utility model is a tractor-specific logging winch, including: a base plate, a gearbox, a connecting rod, a linkage rod, a clutch cylinder, a winch part, an auxiliary part and a power transmission part, wherein the winch part includes: a winch drum, a brake hub, a brake belt and a brake cylinder, a brake hub is arranged at one end of the winch drum and is fixedly connected to the base plate through a bearing and a bearing seat, a brake belt is arranged outside the brake hub, one end of the brake belt is fixed to the base plate, and the other end is connected to the brake cylinder through a pin, and the other end of the winch drum is connected to the gearbox. The gearbox is fixedly arranged on the bottom plate, and the gearbox comprises: a bevel gear pair, a shift fork, a spline, a sliding sleeve and a spline shaft. A pair of bevel gear pairs are arranged in the gearbox, and the output shaft of the bevel gear pair is a spline shaft, which matches the sliding sleeve. An external gear is arranged on the outer side of the sliding sleeve, and a slip ring is arranged on the other end of the sliding sleeve. The external gear of the sliding sleeve is engaged with or disengaged from the internal gear of the capstan drum by shifting the shift fork. The other end of the shift fork is connected to a connecting rod, one end of the connecting rod is connected to a connecting rod, and the other end of the connecting rod is slidably arranged in a sliding hole in the gearbox, and the other end of the connecting rod is connected to a clutch cylinder.

[0005] A bracket hinged brake manual lever is fixedly arranged on the bottom plate, a brake pull rod and a brake oil cylinder are arranged in the middle of the brake manual lever, and the brake pull rod is fixedly connected to the brake belt.

[0006] The auxiliary part includes: a base plate, an upper traction frame, a lower traction frame, a bearing chamber, a bearing chamber seat plate, a guide rope wheel and a rope wheel bracket. The lower traction frames are arranged on both sides of the front end of the base plate, the upper traction frames are arranged on both sides of the rear end of the base plate, the bearing chamber and the bearing chamber seat plate are arranged in the middle of the front end of the base plate, the rope wheel bracket is arranged at the tail end of the base plate, and the rope wheel is arranged on the rope wheel bracket.

[0007] The power transmission part includes: a universal joint input shaft, a bevel gear pair, a sprocket pair, a bearing, a bearing chamber, a bearing chamber seat plate, a coupling and a gearbox. A pair of bevel gear pairs are arranged in the gearbox. The universal joint input shaft transmits power to the bevel gear pair in the gearbox through the sprocket pair. The output end of the bevel gear pair transmits power to the spline shaft through the sprocket to rotate. The clutch cylinder drives the connecting rod, and then drives the shift fork on the connecting rod. The outer teeth of the sliding sleeve are engaged or disengaged with the gear inside the capstan drum through the shifting of the shift fork, so that the sliding sleeve is connected or disengaged with the capstan drum, thereby rotating or stopping the capstan drum.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0009] 1. The utility model is provided with a clutch oil cylinder, and the outer teeth of the sliding sleeve are engaged or disengaged with the inner gear of the winch drum by the shifting fork, so that the sliding sleeve is connected or disengaged with the winch drum, thereby making the winch drum rotate or stop, and completing the timber collection operation;

[0010] 2. The utility model is provided with a control brake cylinder, which locks the locomotive and starts towing to a predetermined location. When unloading the wood, the brake manual lever is manually operated to slowly loosen the brake belt, and the wood gradually falls to the ground to prevent the wood from falling suddenly.

[0011] 3. The utility model has the characteristics of compact structure, simple operation, high efficiency, labor saving and wide application range.

[0012] The utility model is further described in detail below with reference to the accompanying drawings: BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the front view of the utility model;

[0014] Figure 2 for Figure 1 A top view of

[0015] Figure 3 It is a partial cross-sectional view of the winch of the utility model.

[0016] In the figure, 1. brake cylinder, 2. brake manual lever, 3. brake hub, 4. winch drum, 5. guide pulley; 6. gearbox, 7. pulley bracket, 8. bottom plate, 9. upper traction frame, 10. bearing chamber, 11. sprocket pair, 12. bearing chamber seat plate, 13. coupling, 14. lower traction frame, 15. universal joint input shaft, 16. bevel gear pair, 17. shift fork, 18. connecting rod, 19. clutch cylinder, 20. connecting rod, 21. spline, 22. brake pull rod, 23. brake belt, 24. sliding sleeve, 25. spline shaft, 26. inner gear of winch drum. DETAILED DESCRIPTION

[0017] The utility model discloses a special log collection winch for tractors, comprising: a bottom plate 8, a gearbox 6, a connecting rod 18, a linkage rod 20, a clutch cylinder 19, a winch part, an auxiliary part and a power transmission part, wherein the winch part comprises: a winch drum 4, a brake hub 3, a brake belt 23 and a brake cylinder 1, wherein a brake hub 3 is arranged at one end of the winch drum 4 and is fixedly connected to the bottom plate 8 through a bearing and a bearing seat, a brake belt 23 is arranged outside the brake hub, one end of the brake belt is fixed to the bottom plate 8, and the other end is connected to the brake cylinder 1 through a pin, the other end of the winch drum is connected to the gearbox 6, and the gearbox is fixedly arranged on the bottom plate 8, The gearbox comprises: a bevel gear pair 16, a shift fork 17, a spline 21, a sliding sleeve 24 and a spline shaft 25. A pair of bevel gear pairs 16 are arranged in the gearbox. The output shaft of the bevel gear pair is a spline shaft 25, which matches the sliding sleeve 24. An external gear is arranged on the outer side of the sliding sleeve. A slip ring is arranged on the other end of the sliding sleeve 24. The external gear of the sliding sleeve is engaged with or disengaged from the internal gear of the capstan drum by the shifting of the shift fork 17. The other end of the shift fork 17 is connected to a connecting rod 20. One end of the connecting rod 20 is connected to a connecting rod 18. The other end of the connecting rod 20 is slidably arranged in a sliding hole in the gearbox. The other end of the connecting rod 18 is connected to a clutch cylinder 19.

[0018] A bracket hinged brake manual lever 2 is fixedly arranged on the bottom plate 8 , a brake pull rod 22 and a brake oil cylinder 1 are arranged in the middle of the brake manual lever 2 , and the brake pull rod 22 is fixedly connected to the brake belt 23 .

[0019] The auxiliary part includes: a base plate 8, an upper traction frame 9, a lower traction frame 14, a bearing chamber 10, a bearing chamber seat plate 12, a guide rope wheel 5 and a rope wheel bracket 7. The lower traction frame 14 is arranged on both sides of the front end of the base plate 8, the upper traction frame 9 is arranged on both sides of the rear end of the base plate 8, the bearing chamber 10 and the bearing chamber seat plate 12 are arranged in the middle of the front end of the base plate 8, the rope wheel bracket 7 is arranged at the tail end of the base plate 8, and the rope wheel 5 is arranged on the rope wheel bracket.

[0020] The power transmission part includes: a universal joint input shaft 15, a bevel gear pair 16, a sprocket pair 11, a bearing, a bearing chamber 10, a bearing chamber seat plate 12, a coupling 13 and a gearbox 6. A pair of bevel gear pairs 16 are arranged in the gearbox. The universal joint input shaft 15 transmits power to the bevel gear pair 16 in the gearbox through the sprocket pair 11. The output end of the bevel gear pair transmits power to the spline shaft through the sprocket to rotate. The clutch cylinder 19 drives the connecting rod 18, and then drives the shift fork 17 on the connecting rod 20. The outer teeth of the sliding sleeve are engaged or disengaged with the gear inside the capstan drum through the shift fork 17, so that the sliding sleeve is connected or disengaged from the capstan drum, thereby rotating or stopping the capstan drum.

[0021] During operation, the hydraulic control in the cab releases the brake cylinder, manually pulls the wire rope to the timber site, puts the wire rope on one end of the timber strip and tightens it, starts the tractor power output and opens the clutch cylinder of the gearbox, and the outer teeth of the sliding sleeve are meshed with the inner gear of the winch drum by moving the fork 17, so that the sliding sleeve is connected to the winch drum, thereby rotating the winch drum, and the wire rope is wound around the winch drum through the rope pulley, and the timber is pulled to the front of the locomotive. The clutch cylinder is hydraulically controlled in the cab, and the outer teeth of the sliding sleeve are disengaged from the inner gear of the winch drum by moving the fork 17, so that the sliding sleeve is disengaged from the winch drum, thereby stopping the winch drum, and at the same time controlling the brake cylinder to lock the locomotive and start towing it to the predetermined location. When unloading the timber, the brake manual lever 2 is manually operated to slowly loosen the brake belt, and the timber gradually drops to the ground to prevent it from falling suddenly.

[0022] The above description is only a preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present utility model can make equivalent substitutions or changes based on the technical scheme and utility model concept of the present utility model, which should be covered by the protection scope of the present utility model.

Claims

1. A tractor-specific skidding winch, comprising: A base plate (8), a gearbox (6), a connecting rod (18), a linkage rod (20), a clutch cylinder (19), a winch part, an auxiliary part and a power transmission part, characterized in that the winch part includes a winch drum (4), a brake hub (3), a brake belt (23) and a brake cylinder (1), one end of the winch drum (4) is provided with a brake hub (3) and is fixedly connected to the base plate (8) through a bearing and a bearing seat, a brake belt (23) is provided outside the brake hub, one end of the brake belt is fixed to the base plate (8), and the other end is connected to the brake cylinder (1) through a pin, the other end of the winch drum is connected to the gearbox (6), and the gearbox is fixedly arranged on the base plate (8), and the gearbox includes : a bevel gear pair (16), a shift fork (17), a spline (21), a sliding sleeve (24) and a spline shaft (25), wherein a pair of bevel gear pairs (16) are arranged in the gearbox, the output shaft of the bevel gear pair is a spline shaft (25) which matches the sliding sleeve (24), an external gear is arranged on the outer side of the sliding sleeve, a slip ring is arranged on the other end of the sliding sleeve (24), the external gear of the sliding sleeve is engaged with or disengaged from the internal gear of the capstan drum by the shifting of the shift fork (17), the other end of the shift fork (17) is connected to a connecting rod (20), one end of the connecting rod (20) is connected to a connecting rod (18), the other end of the connecting rod (20) is slidably arranged in a sliding hole in the gearbox, and the other end of the connecting rod (18) is connected to a clutch cylinder (19).

2. The tractor-specific skidding winch according to claim 1, characterized in that: A bracket hinged brake manual lever (2) is fixedly arranged on the base plate (8), a brake pull rod (22) and a brake oil cylinder (1) are arranged in the middle of the brake manual lever (2), and the brake pull rod (22) is fixedly connected to the brake belt (23).

3. The tractor-specific skidding winch according to claim 1, characterized in that: The auxiliary part comprises: a bottom plate (8), an upper traction frame (9), a lower traction frame (14), a bearing chamber (10), a bearing chamber seat plate (12), a guide rope pulley (5) and a rope pulley bracket (7). The lower traction frames (14) are arranged on both sides of the front end of the bottom plate (8), the upper traction frames (9) are arranged on both sides of the rear end of the bottom plate (8), the bearing chamber (10) and the bearing chamber seat plate (12) are arranged in the middle of the front end of the bottom plate (8), the rope pulley bracket (7) is arranged at the rear end of the bottom plate (8), and the rope pulley (5) is arranged on the rope pulley bracket.

4. The tractor-specific skidding winch according to claim 1, characterized in that: The power transmission part comprises: a universal joint input shaft (15), a bevel gear pair (16), a sprocket pair (11), a bearing, a bearing chamber (10), a bearing chamber seat plate (12), a coupling (13) and a gearbox (6). A pair of bevel gear pairs (16) are arranged in the gearbox. The universal joint input shaft (15) transmits power to the bevel gear pair (16) in the gearbox through the sprocket pair (11). The output end of the bevel gear pair transmits power to the spline shaft through the sprocket to rotate. The clutch cylinder (19) drives the connecting rod (18), and then drives the shifting fork (17) on the connecting rod (20). The shifting fork (17) causes the outer teeth of the sliding sleeve to mesh with or disengage the inner gear of the capstan drum, so that the sliding sleeve is connected to or disengaged from the capstan drum, thereby causing the capstan drum to rotate or stop.

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