Driving oil cylinder and wood chopping machine thereof

Abstract

The utility model relates to the technical field of oil cylinder structures, in particular to a driving oil cylinder and a wood chopping machine thereof, the driving oil cylinder comprises a hydraulic cylinder, a driving motor and a gear pump, the driving motor drives the gear pump to work to provide oil pressure for the hydraulic cylinder, and then wood is cut; the connecting component is arranged between the gear pump and the hydraulic cylinder, the gear pump and the hydraulic cylinder are of an integrated structure, the occupied space is reduced, and meanwhile the structural strength is high; in addition, an oil supply channel is formed in the connecting component, and the two ends of the oil supply channel communicate with the gear pump and the hydraulic cylinder correspondingly for circulation of hydraulic oil to achieve hydraulic work; the wood chopping machine adopts the driving oil cylinder to provide a power source, is reasonable and compact in structural distribution, has the advantage of portability, and is suitable for various scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder structures, in particular to a driving oil cylinder and a wood splitter thereof. Background Art

[0002] The wood splitter is an important auxiliary equipment in the wood chip processing industry, mainly in two series: vertical and horizontal. Its function is to split tree stumps, large tree branches, large logs and harder wood using the hydraulic working principle to meet the requirements of the chipper feed size, or to split the raw materials into materials for other uses.

[0003] Existing wood splitters require external pipelines and oil supply stations, which are difficult to install and occupy a large space, limiting the use scenarios of the wood splitters and making them inconvenient to use. Therefore, a driving cylinder and a wood splitter that do not require pipeline connection are proposed herein. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a driving oil cylinder and a wood splitter thereof.

[0005] The utility model adopts the following technical solutions:

[0006] A driving oil cylinder comprises a hydraulic cylinder and an oil pressure supply assembly; the oil pressure supply assembly comprises a driving motor arranged below the hydraulic cylinder, and a gear pump drivingly connected to one side of the driving motor; a connecting member is assembled on the side of the gear pump away from the driving motor, and the upper end of the connecting member is assembled and connected to the hydraulic cylinder; an oil supply channel is penetrated inside the connecting member, one end of the oil supply channel is connected to the inner side of the hydraulic cylinder, and the other end of the oil supply channel is connected to the inner side of the gear pump.

[0007] Preferably, an outer shell is provided on the outer side of the hydraulic cylinder, a connecting bracket is provided at the lower end of the outer shell, and the driving motor is assembled at the lower end of the connecting bracket.

[0008] Preferably, the connecting member includes a first connecting portion assembled and connected to one end of the gear pump, a connecting column arranged at the upper end of the first connecting portion, and a second connecting portion arranged at the upper end of the connecting column and connected to the hydraulic cylinder.

[0009] Preferably, the oil supply channel includes an oil injection channel and an oil return channel which are symmetrically arranged, the upper ends of the oil injection channel and the oil return channel are connected to the hydraulic cylinder, and the lower ends of the oil injection channel and the oil return channel are connected to the gear pump.

[0010] Preferably, the hydraulic cylinder includes a cylinder body, a first end cover provided on one side of the cylinder body, a second end cover provided on the other side of the cylinder body, and a piston module provided on the inner side of the cylinder body.

[0011] Preferably, a symmetrically arranged oil filling hole and an oil return hole are formed on the inner side of the first end cover, and the upper ends of the oil filling hole and the oil return hole are both connected to the inner side of the cylinder body.

[0012] Preferably, the first end cover is provided with a through hole, the through hole is connected with the oil filling hole and the oil return hole, and a movable shaft is provided in the through hole; the movable shaft slides in the through hole to realize the passage or disconnection of the oil filling hole and the oil return hole.

[0013] Preferably, a rotatably connected rotating handle is provided at the outward end of the first end cover, and a transmission member is fixedly provided on the rotating handle, and the transmission member abuts against one end of the movable shaft.

[0014] Preferably, a limiting member is provided at an outward end of the first end cover, and the limiting member limits the rotation angle of the transmission member.

[0015] A wood splitter comprises a cutter and the driving cylinder drivingly connected to the lower end of the cutter.

[0016] The beneficial effects of the utility model are:

[0017] The utility model relates to a driving oil cylinder and a wood splitter thereof, wherein the driving oil cylinder comprises a hydraulic cylinder, a driving motor and a gear pump, wherein the driving motor drives the gear pump to provide oil pressure for the hydraulic cylinder, thereby realizing the cutting of wood; a connecting component is arranged between the gear pump and the hydraulic cylinder, and the gear pump and the hydraulic cylinder adopt an integrated structure, thereby reducing the occupied space and having high structural strength; in addition, an oil supply channel is opened inside the connecting component, and the two ends of the oil supply channel are respectively connected to the gear pump and the hydraulic cylinder for the circulation of hydraulic oil to realize hydraulic work; the wood splitter adopts the driving oil cylinder to provide a power source, and the structure distribution is reasonable and compact, and it has the advantage of portability and is suitable for a variety of scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the explosion of the structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the first partial structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the second partial structure of the utility model.

[0022] Numbers in the figure:

[0023] 10-driving cylinder;

[0024] 20-hydraulic cylinder; 21-cylinder body; 22-first end cover;

[0025] 221-perforation; 222-oil filling hole; 223-oil return hole;

[0026] 23-second end cover; 24-piston module; 25-movable shaft; 26-rotating handle; 27-transmission member; 28-limiting member;

[0027] 30-Hydraulic supply assembly;

[0028] 31-driving motor; 32-gear pump;

[0029] 33-connecting member; 331-first connecting portion; 332-connecting column; 333-second connecting portion;

[0030] 34- oil supply channel; 34a- oil injection channel; 34b- oil return channel;

[0031] 40-outer shell; 41-connecting bracket;

[0032] 50-wood splitter; 60-knife cutter. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be noted that the terms "vertical direction", "upper", "lower", "horizontal" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figures 1 to 4 As shown, the driving oil cylinder 10 of the utility model includes a hydraulic cylinder 20 and an oil pressure supply assembly 30. The oil pressure supply assembly 30 includes a driving motor 31 arranged below the hydraulic cylinder 20, and a gear pump 32 drivingly connected to one side of the driving motor 31; the driving motor 31 drives the gear pump 32 to supply oil into the hydraulic cylinder 20 to provide oil pressure and drive the hydraulic cylinder 20 to work. A connecting member 33 is assembled on the side of the gear pump 32 away from the driving motor 31, and the upper end of the connecting member 33 is assembled and connected to the hydraulic cylinder 20. The connecting member 33 connects the gear pump 32 and the hydraulic cylinder 20 into an integrated structure, which improves the structural strength and has a reasonable structural distribution; an oil supply channel 34 is penetrated inside the connecting member 33, one end of the oil supply channel 34 is connected to the inner side of the hydraulic cylinder 20, and the other end of the oil supply channel 34 is connected to the inner side of the gear pump 32. The hydraulic cylinder 20 is connected to the gear pump 32 through the oil supply channel 34, and there is no need to install pipelines, which reduces the occupied space and can be applied to a variety of usage scenarios.

[0037] A further improvement to the above scheme is that an outer shell 40 is provided on the outer side of the hydraulic cylinder 20, which plays a role in dust and water prevention and can also protect the hydraulic cylinder 20; a connecting bracket 41 is provided at the lower end of the outer shell 40, and the drive motor 31 is assembled at the lower end of the connecting bracket 41. The connecting bracket 41 improves the connection stability between the hydraulic cylinder 20 and the drive motor 31 to avoid looseness caused by vibration and affect the working accuracy.

[0038] A further improvement to the above scheme is that the connecting member 33 includes a first connecting portion 331 assembled and connected to one end of the gear pump 32, a connecting column 332 provided at the upper end of the first connecting portion 331, and a second connecting portion 333 provided at the upper end of the connecting column 332 and connected to the hydraulic cylinder 20. The first connecting portion 331 is assembled and connected to the gear pump 32 by bolts, and the second connecting portion 333 is assembled and connected to the hydraulic cylinder 20 by bolts.

[0039] A further improvement to the above scheme is that the oil supply channel 34 includes a symmetrically arranged oil injection channel 34a and an oil return channel 34b, the oil injection channel 34a is used to inject hydraulic oil into the hydraulic cylinder 20, and the oil return channel 34b is used to return the hydraulic oil in the hydraulic cylinder 20 to the gear pump 32, and a circulating oil circuit is formed by the oil injection channel 34a and the oil return channel 34b, the upper ends of the oil injection channel 34a and the oil return channel 34b are connected to the hydraulic cylinder 20, and the lower ends of the oil injection channel 34a and the oil return channel 34b are connected to the gear pump 32.

[0040] A further improvement to the above scheme is that the hydraulic cylinder 20 includes a cylinder body 21, a first end cover 22 disposed on one side of the cylinder body 21, a second end cover 23 disposed on the other side of the cylinder body 21, and a piston module 24 disposed inside the cylinder body 21. Symmetrically arranged oil injection holes 222 and oil return holes 223 are provided inside the first end cover 22, and the upper ends of the oil injection holes 222 and the oil return holes 223 are both connected to the inside of the cylinder body 21. The oil injection holes 222 are used to inject hydraulic oil into the cylinder body 21, and the oil return holes 223 are used to discharge hydraulic oil out of the cylinder body 21.

[0041] A further improvement to the above scheme is that a through hole 221 is provided on the first end cover 22, the through hole 221 is arranged horizontally and is connected with the oil injection hole 222 and the oil return hole 223, a movable shaft 25 is provided in the through hole 221, and a hole position for allowing hydraulic oil to pass is provided on the movable shaft 25, and the movable shaft 25 slides back and forth in the through hole 221. When the hole position is at the oil injection hole 222 and the oil return hole 223, the oil injection hole 222 and the oil return hole 223 are in a passage state, and the hydraulic cylinder 20 works normally; when the hole position is offset from the oil injection hole 222 and the oil return hole 223, the oil injection hole 222 and the oil return hole 223 are in a disconnection state, and the hydraulic cylinder 20 stops working. A rotating handle 26 is provided at the outward end of the first end cover 22, and a transmission member 27 is fixedly provided on the rotating handle 26. The transmission member 27 abuts against one end of the movable shaft 25. The rotating handle 26 drives the transmission member 27 to rotate, and the transmission member 27 drives the movable shaft 25 to slide back and forth in the through hole 221. Further, a limiting member 28 is provided at the outward end of the first end cover 22. When the transmission member 27 rotates to a certain angle, it will interfere with the limiting member 28, thereby limiting the rotation angle of the transmission member 27.

[0042] like Figure 1 As shown, the wood splitter 50 of the utility model includes a cutter 60 and a driving cylinder 10 connected to the lower end of the cutter 60. The driving cylinder 10 drives the cutter 60 to move linearly to cut wood.

[0043] Compared with the prior art, the driving cylinder 10 and its wood splitter 50 involved in the utility model, the driving cylinder 10 includes a hydraulic cylinder 20, a driving motor 31 and a gear pump 32, the driving motor 31 drives the gear pump 32 to provide oil pressure for the hydraulic cylinder 20, thereby realizing the cutting of wood; a connecting member 33 is arranged between the gear pump 32 and the hydraulic cylinder 20, and the gear pump 32 and the hydraulic cylinder 20 adopt an integrated structure to reduce the occupied space and have high structural strength; in addition, an oil supply channel 34 is opened inside the connecting member 33, and the two ends of the oil supply channel 34 are respectively connected to the gear pump 32 and the hydraulic cylinder 20, for the circulation of hydraulic oil to realize hydraulic work; the wood splitter 50 adopts the driving cylinder 10 to provide a power source, the structure distribution is reasonable and compact, it has the advantage of portability, and is suitable for a variety of scenarios.

[0044] The above only expresses the preferred technical solution of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.

Claims

1. A driving cylinder, characterized in that: It includes a hydraulic cylinder and an oil pressure supply component; the oil pressure supply component includes a drive motor arranged below the hydraulic cylinder, and a gear pump drivingly connected to one side of the drive motor; a connecting member is assembled on the side of the gear pump away from the drive motor, and the upper end of the connecting member is assembled and connected to the hydraulic cylinder; an oil supply channel is penetrated inside the connecting member, one end of the oil supply channel is connected to the inner side of the hydraulic cylinder, and the other end of the oil supply channel is connected to the inner side of the gear pump.

2. The driving cylinder according to claim 1, characterized in that: An outer shell is arranged on the outer side of the hydraulic cylinder, a connecting bracket is arranged at the lower end of the outer shell, and the driving motor is assembled at the lower end of the connecting bracket.

3. The driving cylinder according to claim 1, characterized in that: The connecting member includes a first connecting portion assembled and connected to one end of the gear pump, a connecting column arranged at the upper end of the first connecting portion, and a second connecting portion arranged at the upper end of the connecting column and connected to the hydraulic cylinder.

4. The driving cylinder according to claim 1, characterized in that: The oil supply channel includes an oil injection channel and an oil return channel which are symmetrically arranged. The upper ends of the oil injection channel and the oil return channel are connected to the hydraulic cylinder, and the lower ends of the oil injection channel and the oil return channel are connected to the gear pump.

5. The driving cylinder according to claim 1, characterized in that: The hydraulic cylinder comprises a cylinder body, a first end cover arranged on one side of the cylinder body, a second end cover arranged on the other side of the cylinder body, and a piston module arranged on the inner side of the cylinder body.

6. The driving cylinder according to claim 5, characterized in that: The inner side of the first end cover is provided with symmetrically arranged oil filling holes and oil return holes, and the upper ends of the oil filling holes and the oil return holes are both communicated with the inner side of the cylinder body.

7. The driving cylinder according to claim 6, characterized in that: The first end cover is perforated with a through hole, the through hole is connected with the oil filling hole and the oil return hole, and a movable shaft is arranged in the through hole; the movable shaft slides in the through hole to realize the passage or disconnection of the oil filling hole and the oil return hole.

8. The driving cylinder according to claim 7, characterized in that: A rotatably connected rotating handle is disposed at an outward end of the first end cover, and a transmission member is fixedly disposed on the rotating handle, and the transmission member abuts against one end of the movable shaft.

9. The driving cylinder according to claim 8, characterized in that: A limiting member is provided at an outward end of the first end cover, and the limiting member limits the rotation angle of the transmission member.

10. A wood splitting machine, characterized in that: It comprises a tool and a driving cylinder according to any one of claims 1 to 9 which is drivingly connected to the lower end of the tool.

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