Safe felling device

Abstract

The utility model discloses a safe lumbering device, which relates to the technical field of lumbering and comprises a fixing frame, a positioning mechanism is arranged on the fixing frame, upright posts are fixedly mounted at two ends of the fixing frame, a bearing mechanism is arranged below the fixing frame and fixedly mounted on the upright posts, wheels are rotatably mounted at the bottom ends of the upright posts, and the wheels are fixedly mounted on the upright posts. A grip is fixedly installed at the top end of the stand column. According to the design scheme, through the design that the positioning mechanism is installed on the fixing frame, when a tree is cut down, the two sides of the tree trunk are clamped through the arc-shaped clamping plates, then the tree trunk is cut through an electric saw along the upper portion of the bottom plate, and the tree cannot topple over under the action of the arc-shaped clamping plates after cutting is completed; then, a user holds a grip to pull the whole device backwards, under the action of an elastic telescopic rod, the bottom plate is reset forwards, the bottom plate moves to the position below the trunk, the trunk is supported through the bottom plate, and therefore the tree can be carried conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of felling wood, in particular to a safe felling wood device. Background Art

[0002] When felling trees in the yard, due to limited space in the yard, large logging equipment cannot enter the yard, and the trees in the yard can only be cut down with electric saws. When using electric saws to cut down trees, the trees will fall down due to their own weight. The fallen trees can easily damage other green plants in the yard, affecting the aesthetics of the yard, and are not convenient to carry. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, the utility model provides a safe felling device.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a safe logging device, including a fixed frame, a positioning mechanism is provided on the fixed frame, columns are fixedly installed at both ends of the fixed frame, a bearing mechanism is provided below the fixed frame, the bearing mechanism is fixedly installed on the column, a wheel is rotatably installed at the bottom end of the column, and a handle is fixedly installed at the top end of the column.

[0005] Furthermore, the positioning mechanism includes a bidirectional screw, two groups of bearing seats are fixedly installed in the middle of the fixed frame, the bidirectional screw is rotatably installed on the bearing seat, both ends of the bidirectional screw are rotatably installed on the column, sliding seats are cooperated with the threaded parts at both ends of the bidirectional screw, guide seats are fixedly installed on the upper and lower ends of the two groups of sliding seats, the guide seats are slidably installed on the guide rod, and both ends of the guide rod are fixedly installed on the column.

[0006] Furthermore, a first bevel gear is provided between the two groups of bearing seats, the first bevel gear is fixedly mounted on the bidirectional screw, a second bevel gear meshing with the first bevel gear is rotatably mounted in the middle of the fixed frame, and a crank is fixedly mounted on the rotating shaft of the second bevel gear.

[0007] Furthermore, arc-shaped clamping plates are fixedly mounted on the front ends of the two groups of slide seats respectively, and the two groups of arc-shaped clamping plates are symmetrical to each other.

[0008] Furthermore, the bearing mechanism includes a bottom beam, both ends of which are fixedly connected to the columns respectively, a bottom plate is slidably mounted on the bottom beam, an elastic telescopic rod is fixedly mounted on one side of the bottom beam away from the arc-shaped clamping plate, and the other end of the elastic telescopic rod is fixedly connected to the bottom plate.

[0009] Furthermore, top beams are fixedly installed on the top ends of the two groups of columns, and support frames are fixedly installed on the front sides of the bottom ends of the two groups of columns. The support frames are L-shaped structures, and support wheels are rotatably installed on the bottom ends of the support frames.

[0010] The beneficial effect of the utility model is that the design of the utility model is designed with a positioning mechanism installed on the fixed frame. When felling trees, the two sides of the trunk are clamped by the arc-shaped clamping plates, and then the trunk is cut along the top of the bottom plate with an electric saw. After the cutting is completed, the tree will not fall down due to the action of the arc-shaped clamping plates. Then the user holds the handle to pull the device as a whole backward. Under the action of the elastic telescopic rod, the bottom plate is reset forward and moved to the bottom of the trunk. The trunk is supported by the bottom plate to facilitate the transportation of the tree. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 for Figure 2 Schematic diagram of the cross-section structure in the AA direction;

[0015] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure along the BB direction.

[0016] In the figure: 1. fixed frame, 2. column, 3. wheel, 4. handle, 5. bidirectional screw, 6. bearing seat, 7. slide seat, 8. guide seat, 81. guide rod, 9. first bevel gear, 10. second bevel gear, 11. crank, 12. arc splint, 13. bottom beam, 14. bottom plate, 15. elastic telescopic rod, 16. top beam, 17. support frame, 18. support wheel. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0018] according to Figure 1-4As shown, a safe logging device comprises a fixed frame 1, a positioning mechanism is provided on the fixed frame 1, columns 2 are fixedly installed at both ends of the fixed frame 1, a bearing mechanism is provided below the fixed frame 1, the bearing mechanism is fixedly installed on the column 2, a wheel 3 is rotatably installed at the bottom end of the column 2, and a handle 4 is fixedly installed at the top end of the column 2.

[0019] In this embodiment, the positioning mechanism includes a bidirectional screw 5, two groups of bearing seats 6 are fixedly installed in the middle of the fixed frame 1, the bidirectional screw 5 is rotatably installed on the bearing seat 6, and the two ends of the bidirectional screw 5 are rotatably installed on the column 2. Slide seats 7 are installed on the threaded portions at both ends of the bidirectional screw 5 through threaded cooperation, and guide seats 8 are fixedly installed at the upper and lower ends of the two groups of slide seats 7. The guide seat 8 is slidably installed on the guide rod 81, and the two ends of the guide rod 81 are fixedly installed on the column 2. By rotating the bidirectional screw 5, the slide seat 7 slides in opposite directions along the guide rod 81 under the action of the bidirectional screw 5.

[0020] In this embodiment, a first bevel gear 9 is provided between the two sets of bearing seats 6. The first bevel gear 9 is fixedly mounted on the bidirectional screw 5. A second bevel gear 10 meshing with the first bevel gear 9 is rotatably mounted in the middle part of the fixed frame 1. A crank 11 is fixedly mounted on the rotating shaft of the second bevel gear 10. The user controls the rotation of the second bevel gear 10 by turning the crank 11, and the bidirectional screw 5 is rotated under the cooperation of the second bevel gear 10 and the first bevel gear 9.

[0021] In this embodiment, arc-shaped clamping plates 12 are fixedly mounted on the front ends of the two sets of slide seats 7 respectively. The two sets of arc-shaped clamping plates 12 are symmetrical to each other. The arc-shaped clamping plates 12 are clamped on both sides of the tree trunk to fix the tree.

[0022] In this embodiment, the bearing mechanism includes a bottom beam 13, both ends of which are fixedly connected to the column 2 respectively, a bottom plate 14 is slidably installed on the bottom beam 13, an elastic telescopic rod 15 is fixedly installed on the side of the bottom beam 13 away from the arc-shaped clamping plate 12, and the other end of the elastic telescopic rod 15 is fixedly connected to the bottom plate 14. When felling trees, the bottom plate 14 abuts against the tree trunk, and the bottom plate 14 slides backward under the reaction force.

[0023] In this embodiment, top beams 16 are fixedly installed on the top ends of the two groups of columns 2 to strengthen the strength between the columns 2. Support frames 17 are fixedly installed on the front sides of the bottom ends of the two groups of columns 2. The support frames 17 are L-shaped structures. Support wheels 18 are rotatably installed on the bottom ends of the support frames 17. When felling trees, auxiliary support is provided by the support wheels 18 to improve the overall stability of the device.

[0024] The specific use process of the utility model is as follows. When felling a tree, the device is pushed in front of the tree as a whole, and the trunk is located between the arc-shaped clamping plates 12. At this time, the bottom plate 14 slides backward under the action of the trunk, and the user rotates the crank 11 to clamp the arc-shaped clamping plates 12 to clamp the trunk. Then, the electric saw is used to cut the trunk along the top of the bottom plate 14. After the cutting is completed, the tree will not fall down under the action of the arc-shaped clamping plates 12. Then, the user holds the handle 4 to pull the device as a whole backward. Under the action of the elastic telescopic rod 15, the bottom plate 14 is reset forward and moved to the bottom of the trunk. The trunk is supported by the bottom plate 14 to facilitate the transportation of the tree.

[0025] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A safe logging device, comprising a fixed frame (1), Features: The fixing frame (1) is provided with a positioning mechanism, which comprises a bidirectional screw (5), two groups of bearing seats (6) are fixedly installed in the middle of the fixing frame (1), the bidirectional screw (5) is rotatably installed on the bearing seats (6), both ends of the bidirectional screw (5) are rotatably installed on the column (2), a slide seat (7) is matched and installed on the threaded parts at both ends of the bidirectional screw (5), and guide seats (8) are fixedly installed at the upper and lower ends of the two groups of slide seats (7), the guide seats (8) are slidably installed on the guide rod (81), the two ends of the guide rod (81) are fixedly installed on the column (2), and the front ends of the two groups of slide seats (7) are respectively A curved clamping plate (12) is fixedly installed on the fixed frame (1), a bearing mechanism is provided below the fixed frame (1), the bearing mechanism is fixedly installed on the column (2), the bearing mechanism comprises a bottom beam (13), both ends of the bottom beam (13) are respectively fixedly connected to the column (2), a bottom plate (14) is slidably installed on the bottom beam (13), an elastic telescopic rod (15) is fixedly installed on the side of the bottom beam (13) away from the curved clamping plate (12), the other end of the elastic telescopic rod (15) is fixedly connected to the bottom plate (14), a wheel (3) is rotatably installed at the bottom end of the column (2), and a handle (4) is fixedly installed at the top end of the column (2).

2. A safe logging device according to claim 1, It is characterized in that A first bevel gear (9) is provided between the two groups of bearing seats (6), and the first bevel gear (9) is fixedly mounted on the bidirectional screw (5). A second bevel gear (10) meshing with the first bevel gear (9) is rotatably mounted in the middle of the fixed frame (1), and a crank (11) is fixedly mounted on the rotating shaft of the second bevel gear (10).

3. A safe logging device according to claim 1, It is characterized in that The two groups of arc-shaped clamping plates (12) are symmetrical to each other, and upright posts (2) are fixedly mounted on both ends of the fixing frame (1).

4. A safe logging device according to claim 1, It is characterized in that A top beam (16) is fixedly mounted on the top ends of the two groups of columns (2), and a support frame (17) is fixedly mounted on the front sides of the bottom ends of the two groups of columns (2). The support frame (17) is an L-shaped structure, and a support wheel (18) is rotatably mounted on the bottom end of the support frame (17).

Images