Manual winch mechanical lever type with their own hands

Leverage winches are often used on construction sites. However, they are also in demand among motorists. There are different types of hand winches. These devices are manufactured with an open and closed housing. Some modifications use locking levers.

It is also important to note that the models differ in the diameter of the drum. Depending on it and the size of the lever, the force index is determined. On average, it fluctuates around 40 kG.

Cases for models are most often made of aluminum. To secure the cable, safety pins are used. Frames in shape may differ. It is also important to note that models have a guide yoke. In some designs, the lever is fixed to the spring and acts as a return mechanism. To fix the drum used blocks of different shapes. However, in some models they are absent. Their functions are performed by metal plates with a bushing. There are also many models with flywheels. Weigh an average lever-type device in the region of 5 kg.

A simple model

The usual manual winch (mechanical, lever type) with its own hands is collected quite simply. First of all, the frame is selected for the model. If to consider modifications with the open case, it is possible to use steel plates of small thickness. The length of the frame should not be more than 35 cm. The lever in this case is needed for 40 cm. The clamps for fixing the drum are installed near the pulley block. To lock the lever, an anchor pin is used.

The rope in this case should be wound on the drum and tightened around the safety pin. However, before that, the stopper handle should be welded to the frame. For some modifications, it is designed as a flywheel. At the end of the job, it remains only to fix the hook on the rope. Directly the handle can be equipped with a patch for ease of use.

Devices with closed housing

With a closed body, the winch (hand, drum) with its own hands is quite difficult. Begin the work with the search for a carrier frame. In this case, steel billets are used, the thickness of which does not exceed 2.2 mm. For the handle, you need a dog with a lock. It is also important to note that the lever is attached to the safety pin. To ensure safe use of the device, a strong stopper is required. It is difficult to manufacture it independently. However, on the milling machine this part can be made.

In order to fix the stopper on the frame, it is necessary to use a welding inverter. After that, the manual winch (mechanical, lever type) is equipped with a ratchet wheel on which the rope will be placed. The next step is fixing the bushing. This will require a large screw. Also for work you will need a block of pulley block. Secure it by the guide. Lastly, you should weld the plates on the frame and completely close the block pulley.

Modifications with open housing

The winch (hand, drum) with its own hands is assembled in different ways with the open body. If we consider a compact modification, then we should use an aluminum frame with a metal thickness of approximately 1.3 mm. First of all, you should do welding plates. The length of one cheek should be at least 15 cm. Then the drum is fixed on the frame. Its diameter should be at least 4.5 cm.

Depending on the size of the inner hole, you should choose the appropriate sleeve. The lever in this case must be fixed on the dog. Modifications with a spring is better not to consider. After fixing the drum, a safety pin is soldered. He must be behind the axis of the lever. It is also important to make sure that he does not come in contact with the dog. Otherwise, the manual winch (mechanical, lever type) will come with a limited amplitude of the handle movement. The last step is a cable with a hook.

Modifications with narrow frame

A manual winch is made (mechanical, lever type) with a narrow frame using two steel plates. Their length should not exceed 35 cm. Some pick up aluminum billets for the design, but after a while they can deform. The cheeks in the winch must be connected using a welding machine. After this it is necessary to engage the guide yoke. In this case, its width should not exceed 3.5 cm. The lever, in turn, will require a length of 35 cm. In some modifications, it is fixed to the spring.

The rope needs to be stretched in the last turn. At this stage, the manual winch (mechanical, lever type) is equipped with a drum. To do this, you need to screw the unit. Next, you should tackle the safety pin, which will limit the movement of the lever. The next step is soldering the pawl for free rotation of the drum. To fix the sprocket, an additional bushing is required. On average, its diameter is 2.5 cm. However, in this case, much depends on the size of the drum.

Model with wide frame

Hand winch (mechanical, lever) with a wide frame will lift large weights. In the construction sector, these modifications are in demand. In this case, metal plates should be used with a thickness of about 2.5 mm. The straight guide yoke should be made with a width of about 5.5 cm. The length of the lever depends on the diameter of the drum.

If we consider the standard model, then it is selected by 3.5 cm. The fixation of the element occurs with the participation of the pulley block. The lever of the model must be fixed on the dog. It is also important to note that a safety pin is required for the winch to function properly. Its length in this case should be equal to 2.2 cm. In order to strengthen the frame, many weld small edges at the edges. However, modifications with wide frames are often done with the enclosure closed.

It is problematic to assemble such a winch yourself. Considering all the above, it is more expedient to simply frame the frame at the edges and in the region of the guide yoke, near the axis of the lever. After fixing the sprocket, the crochet will remain with the bushing.

The device is a ratchet wheel behind the lever axis

The mentioned manual winch mechanical lever type (photo scheme shown below) is not in great demand. However, these models have several advantages. First of all, this concerns compactness. It is also important to note that a small drum can be used in such structures. However, it is necessary to mention the shortcomings of the device. The main disadvantage of the model lies in the fact that a large lever is required for normal operation of the tool.

In this case, it is very problematic to raise a big weight. Begin the assembly of the model is necessary according to the standard scheme. However, the ratchet wheel must be fastened near the pulley block. At this stage, it is very important to calculate the distance to the bushing. If the drum is near the sprocket, the safety clutch will not operate. As a result, the lever rests against the guide yoke.

Models with a wheel to the axis of the lever

Hand winches (lever, rope) of this type are very common. First of all, it should be noted that in this case it is possible to use asterisks of small diameter. Directly block block must be placed near the stop dog. Also there are modifications in which the guide yoke is located near the axis of the lever. It should also be noted that a winch of this type can be made with a narrow and wide frame. In this situation, much depends on the size of the ratchet wheel.

Two-drum models

Winches manual (lever, rope) on two drums will allow you to lift large weights quite quickly. Frames are most commonly installed wide. All this is necessary in order to reliably fix the pulley block. The levers of some modifications are made with a return mechanism.

There are also a number of winches with enclosed bodies. However, they are not in great demand. In order to make the model on two reels alone, you need a solid frame. To this end, steel plates are selected, the thickness of which is about 2.3 mm. Guide clamps for such devices will require two. One of them should be fixed near the axis of the lever. The second clamp is attached directly near the safety pin. Thus, it is possible to significantly relieve the load from the frame.

Summarizing

Considering all the above, it should be noted that winches are easiest to do with narrow frames. The most difficult part is the selection of a quality drum and a lever with a dog. In this case, you need to be able to work with the welding inverter. In order to fit the part, it is important to have access to the milling machine.