Portable winching machine

Abstract

The utility model discloses a portable winching machine, which belongs to the technical field of winching machines, and comprises an oil tank arranged at the upper end of an engine, a gearbox casing fixedly connected with one end, close to an output shaft, of the engine, and a first change gear, a second change gear and a third change gear arranged in the gearbox casing. The first speed change gear is fixedly connected to the outer circumferential face of the output shaft of the engine, the second speed change gear and the third speed change gear are both rotationally connected to the inner wall of the gearbox shell, and through a three-speed-change-gear meshing structure, large tension can be borne, meanwhile, the weight is lighter, the size is small, and carrying is convenient; the integral control of the winching machine is determined by an accelerator of an engine, the winching machine has the characteristic of stepless speed change, switching of a gear lever on a gearbox is avoided, tedious control of a clutch is avoided, the winching machine does not rotate reversely and only has one forward rotation speed direction, and the winching machine is simple to operate and convenient to use by personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of capstan grinders, and more specifically to a portable capstan grinder. Background Art

[0002] Powered capstans are construction tools for erecting aerial high-voltage transmission lines and laying underground cables. They can smoothly and conveniently perform lifting and pulling operations such as erecting iron towers and laying conductors (ground) wires under various complex conditions. Powered capstans are divided into diesel powered capstans and gasoline powered capstans, and are further divided into hand-lifting and pulley types. They are widely used in the construction of power and postal and telecommunications lines to assemble poles and towers, lay out and tighten wires, and can also be used to hoist and pull heavy objects in buildings, docks and other places. They are suitable for outdoor places without electricity.

[0003] The traditional winch is controlled by switching gears on the gearbox to change the speed, and has a clutch to control stopping or starting. Its engine is generally a large engine of 170 or 390. It needs a base parallel frame at the bottom to achieve balance. Its operation is complicated, its weight is heavy, and it is inconvenient to carry. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a portable capstan grinder, which solves the problems in the prior art that the capstan grinder is controlled by switching the gears on the gearbox to change the speed, and has a clutch to control stopping or starting. Its engine is generally a large engine of 170 or 390. Its overall structure needs to have a base parallel frame at the bottom to achieve balance, and its operation is complicated, its weight is heavy, and it is inconvenient to carry.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A portable capstan includes an engine, wherein an oil tank is provided at the upper end of the engine, an end of the engine close to the output shaft is fixedly connected to a gearbox housing, a speed gear 1, a speed gear 2 and a speed gear 3 are arranged inside the gearbox housing, the speed gear 1 is fixedly connected to the outer circumferential surface of the engine output shaft, the speed gear 2 and the speed gear 3 are both rotatably connected to the inner wall of the gearbox housing, the speed gear 1, the speed gear 2 and the speed gear 3 are meshed with each other, a traction shaft is fixedly connected to one side of the speed gear 3, and an aluminum alloy roller is provided on the outer circumferential surface of the traction shaft.

[0009] Furthermore, a key groove 1 is provided on the outer circumferential surface of the traction shaft, and a key groove 2 is provided on the inner wall of the aluminum alloy drum. The key groove 1 and the key groove 2 cooperate with each other and flat keys are embedded in their inner cavities.

[0010] Furthermore, a handle is fixedly connected to one side of the gearbox housing, and a rubber layer is provided on the outer circumferential surface of the handle.

[0011] Furthermore, a pair of hooks are rotatably connected to both sides of the gearbox housing near the lower end.

[0012] Furthermore, one side of the gearbox housing is rotatably connected with a rope-following wheel and fixedly installed with an anti-entanglement block, and the rope-following wheel and the anti-entanglement block are both distributed on the outside of the aluminum alloy drum.

[0013] Furthermore, an oil filling hole is provided on one side of the gearbox housing.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) This solution uses the output shaft of the engine to drive the speed gear 1, speed gear 2 and speed gear 3 in the gearbox housing to rotate, wherein the traction shaft on one side of the speed gear 3 leads to the outside of the gearbox housing, and an aluminum alloy roller is installed on the traction shaft to pull the rope, thereby achieving an application scenario of pulling trees or pulling cables or wires. The meshing structure of the speed gear 1, speed gear 2 and speed gear 3 can withstand large pulling force while being lighter, smaller in size and easier to carry. The overall control of the winch is determined by the throttle of the engine, and has the characteristics of stepless speed change. There is no shift lever on the gearbox, and no cumbersome clutch control. It has no reverse rotation, only a forward speed direction, and is simple to operate and convenient for personnel to use.

[0017] (2) In this scheme, the outer circumferential surface of the traction shaft is provided with keyway 1, and the aluminum alloy roller is provided with keyway 2. After keyway 1 and keyway 2 are aligned, the flat key is embedded in the keyway to achieve the installation of the aluminum alloy roller. Through the key connection structure, the torque output by the traction shaft can drive the aluminum alloy roller to rotate stably, and it is also convenient for personnel to disassemble and assemble the aluminum alloy roller. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a structural schematic diagram of the aluminum alloy roller of the utility model in a disassembled state;

[0020] Figure 3This is a schematic diagram of the internal structure of the gearbox housing of the utility model;

[0021] Figure 4 It is a schematic structural diagram of a cross-section of the connection between the traction shaft and the aluminum alloy roller of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Engine; 2. Fuel tank; 3. Transmission housing; 31. Speed ​​gear one; 32. Speed ​​gear two; 33. Speed ​​gear three; 34. Handle; 35. Hook; 36. Rope pulley; 37. Anti-entanglement block; 38. Oil filling hole; 4. Traction shaft; 41. Keyway one; 5. Aluminum alloy roller; 51. Keyway two; 6. Flat key. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] Example

[0026] like Figure 1-3 As shown, a portable capstan includes an engine 1, an oil tank 2 is provided at the upper end of the engine 1, a gearbox housing 3 is fixedly connected to one end of the engine 1 close to the output shaft, a speed gear 1 31, a speed gear 2 32 and a speed gear 3 33 are arranged inside the gearbox housing 3, the speed gear 1 31 is fixedly connected to the outer circumferential surface of the output shaft of the engine 1, the speed gear 2 32 and the speed gear 3 33 are both rotatably connected to the inner wall of the gearbox housing 3, the speed gear 1 31, the speed gear 2 32 and the speed gear 3 33 are meshed with each other, a traction shaft 4 is fixedly connected to one side of the speed gear 3 33, and an aluminum alloy roller 5 is provided on the outer circumferential surface of the traction shaft 4.

[0027] When in use, the output shaft of the engine 1 is used to drive the speed gear 1 31, the speed gear 2 32 and the speed gear 3 33 in the gearbox housing 3 to rotate, wherein the traction shaft 4 on one side of the speed gear 3 33 leads to the outside of the gearbox housing 3, and an aluminum alloy roller 5 is installed on the traction shaft 4 to pull the rope, thereby achieving an application scenario of pulling trees or pulling cables or wires. The meshing structure of the speed gear 1 31, the speed gear 2 32 and the speed gear 3 33 can withstand large pulling force while being lighter in weight, small in size, and easy to carry. The overall control of the winch is determined by the throttle of the engine 1, and has the characteristics of stepless speed change. There is no shift lever switching on the gearbox, and no cumbersome control of the clutch. It has no reverse rotation, only a forward speed direction, simple operation, and convenient for personnel to use.

[0028] like Figure 2 and 4 As shown, the outer circumferential surface of the traction shaft 4 is provided with a key groove 1 41 , the inner wall of the aluminum alloy roller 5 is provided with a key groove 2 51 , and the key groove 1 41 and the key groove 2 51 cooperate with each other and a flat key 6 is embedded in their inner cavities.

[0029] The outer circumferential surface of the traction shaft 4 is provided with a keyway 41, and the aluminum alloy roller 5 is provided with a keyway 2 51. After the keyway 41 and the keyway 2 51 are calibrated and matched, the flat key 6 is embedded in the keyway to realize the installation of the aluminum alloy roller 5. Through the key connection structure, the torque output by the traction shaft 4 can drive the aluminum alloy roller 5 to rotate stably, and it is also convenient for personnel to disassemble and assemble the aluminum alloy roller 5.

[0030] like Figure 1-2 As shown, a handle 34 is fixedly connected to one side of the transmission housing 3, and a rubber layer is provided on the outer circumferential surface of the handle 34.

[0031] When in use, the handle 34 enables a person to exert a better force to lift the whole winch grinder, and the rubber layer can reduce the pain caused by squeezing of the hands of the person.

[0032] like Figure 1-2 As shown, a pair of hooks 35 are rotatably connected to both sides of the gearbox housing 3 near the lower end.

[0033] When in use, the hook 35 can be used in conjunction with the sling to fix the capstan as a whole, thereby improving the stability of the capstan as a whole when in use.

[0034] like Figure 1-2 As shown, one side of the gearbox housing 3 is rotatably connected with a rope-following wheel 36 and a fixedly installed anti-entanglement block 37 , and the rope-following wheel 36 and the anti-entanglement block 37 are both distributed on the outer side of the aluminum alloy drum 5 .

[0035] When in use, the traction rope is limited by the rope-following wheel 36 and the anti-entanglement block 37, which can reduce the possibility of the traction rope being entangled.

[0036] like Figure 1-2 As shown, an oil filling hole 38 is opened on one side of the gearbox housing 3.

[0037] When in use, the oil filling hole 38 is used to facilitate personnel to fill oil and lubricate the speed gear 1 31 , the speed gear 2 32 and the speed gear 3 33 in the gearbox housing 3 .

[0038] In summary, the specific working process of this scheme is: the output shaft of the engine 1 is used to drive the speed gear 1 31, the speed gear 2 32 and the speed gear 3 33 in the gearbox housing 3 to rotate, wherein the traction shaft 4 on one side of the speed gear 3 33 leads to the outside of the gearbox housing 3, and an aluminum alloy roller 5 is installed on the traction shaft 4 to pull the rope, so as to achieve an application scenario of pulling trees or pulling cables or wires. The meshing structure of the speed gear 1 31, the speed gear 2 32 and the speed gear 3 33 can withstand large pulling force, and is lighter in weight, small in size, and easy to carry. The overall control of the winch is determined by the throttle of the engine 1, and has the characteristics of stepless speed change. There is no shift lever switching on the gearbox, and there is no cumbersome control of the clutch. It has no reverse rotation, only a forward speed direction, simple operation, and convenient for personnel to use;

[0039] Among them, the traction shaft 4 and the aluminum alloy roller 5 are connected by a flat key 6. Through the key connection structure, the torque output by the traction shaft 4 can drive the aluminum alloy roller 5 to rotate stably, and it is also convenient for personnel to disassemble and assemble the aluminum alloy roller 5.

[0040] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A portable capstan, comprising an engine (1), characterized in that: An oil tank (2) is arranged at the upper end of the engine (1); an end of the engine (1) close to the output shaft is fixedly connected to a gearbox housing (3); a speed gear 1 (31), a speed gear 2 (32) and a speed gear 3 (33) are arranged inside the gearbox housing (3); the speed gear 1 (31) is fixedly connected to the outer circumference of the output shaft of the engine (1); the speed gear 2 (32) and the speed gear 3 (33) are both rotatably connected to the inner wall of the gearbox housing (3); the speed gear 1 (31), the speed gear 2 (32) and the speed gear 3 (33) are meshed with each other; one side of the speed gear 3 (33) is fixedly connected to a traction shaft (4); an aluminum alloy roller (5) is arranged on the outer circumference of the traction shaft (4).

2. A portable capstan according to claim 1, characterized in that: The outer circumferential surface of the traction shaft (4) is provided with a key groove 1 (41), and the inner wall of the aluminum alloy roller (5) is provided with a key groove 2 (51). The key groove 1 (41) and the key groove 2 (51) cooperate with each other and have flat keys (6) embedded in their inner cavities.

3. A portable capstan according to claim 1, characterized in that: A handle (34) is fixedly connected to one side of the gearbox housing (3), and a rubber layer is provided on the outer circumferential surface of the handle (34).

4. A portable capstan according to claim 1, characterized in that: A pair of hooks (35) are rotatably connected to both sides of the gearbox housing (3) near the lower end.

5. The portable capstan according to claim 1, characterized in that: One side of the gearbox housing (3) is rotatably connected to a rope-following wheel (36) and a tangling-proof block (37) is fixedly installed, and the rope-following wheel (36) and the tangling-proof block (37) are both distributed on the outside of the aluminum alloy drum (5).

6. The portable capstan according to claim 1, characterized in that: An oil filling hole (38) is provided on one side of the gearbox housing (3).

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