Small-sized weight lifting device and lifting method
A technology for lifting devices and heavy objects, which is applied in portable lifting devices, hoisting devices, etc., can solve the problems of high work intensity, poor safety, and high cost, and achieve high work intensity, safe and convenient use, and low manufacturing cost. Effect
Active Publication Date: 2019-08-16
CHONGQING UNIV
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Problems solved by technology
[0002] Lifting devices are widely used. In factories and repair shops, it is often necessary to lift or lift heavy objects of various shapes or transport them for short distances. However, they are usually lifted with sled bars or manually, which has poor safety and high work intensity. It is a
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[0024] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.
[0025] see Figure 1-2 , the present embodiment is basically as shown in the accompanying drawings, a small weight lifting device, including a frame 2 with a...
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The invention discloses a small-sized weight lifting device and a lifting method, and belongs to the field of mechanical equipment. The lifting device comprises a rack, an L-shaped cantilever arrangedon the rack and a hanging mechanism arranged on the L-shaped cantilever, the hanging mechanism is composed of a lifting hook, a steel wire rope, a pulley, a winding drum, a rotating shaft, a brakingpart, a tension spring, a pull wire and bearing seats, the steel wire rope penetrates through the pulley on the L-shaped cantilever, one end of the steel wire rope is connected with the lifting hook,the other end of the steel wire rope is wound around the winding drum, the rotating shaft is mounted on the L-shaped cantilever through bearing seats at the two ends of the rotating shaft, the rotating shaft is sleeved with the winding drum through a one-way bearing, the braking part is further arranged at one end of the rotating shaft, the fixed end of the tension spring is arranged on the L-shaped cantilever, the free end of the tension spring is slidably arranged on the L-shaped cantilever, one end of the pull wire is connected with the free end of the tension spring, the other end of the pull wire is wound around the winding drum, the winding directions on the winding drum of the steel wire rope and the pull wire are opposite, and the winding direction on the winding drum of the pull wire is the same as the rotation direction of the one-way bearing. The device is simple in structure, safe and convenient in use and high in universality.
Description
technical field [0001] The invention belongs to the technical field of mechanical equipment, and relates to a small-sized heavy object lifting device and a lifting method. Background technique [0002] Lifting devices are widely used. In factories and repair shops, it is often necessary to lift or lift heavy objects of various shapes or transport them for short distances. However, they are usually lifted with sled bars or manually, which has poor safety and high work intensity. It is also easy to cause damage to objects. There are also hydraulically driven scissor mechanisms for lifting, electric cylinders for direct lifting, etc., but this method requires hydraulic pumps, motors and other components, which is not only expensive, but also prone to oil leakage and unclean work sites. Contents of the invention [0003] In view of this, the object of the present invention is to provide a small-sized heavy object lifting device and lifting method with simple structure, safe a...
Claims
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Login to View More IPC IPC(8): B66D3/06B66D3/12
CPCB66D3/06B66D3/12
Inventor 刘睿尹爱军葛垚
Owner CHONGQING UNIV