JPS5931670Y2 - Lifting device using rope traction mechanism - Google Patents

Description

[Detailed description of the invention] This invention uses four rope pulling mechanisms that wind and drive hanging ropes to allow a relatively large lifting platform to be stably raised and lowered horizontally with three-point support. This invention relates to a lifting device suitable for lifting and lowering heavy objects such as automobiles, etc., and will be described in detail below with reference to drawings that are examples. A bracket 3 is attached vertically to the center of each bracket, and a shaft pin 6 is attached to a bracket 5 that projects from the center of a relatively long suspension beam 4.
At the same time, brackets 8, 8 provided at both ends of one side of the lifting platform 7 are suspended by support ropes 9, 9 of equal length, at both ends of the suspension support beam 40. Two rope pulling mechanisms 10 are connected to each other at the bottom and are mounted on both ends of the other side of the lifting platform 7.
10 each.

In the figure, reference numeral 11 indicates a hanging rope that is wrapped around each rope traction mechanism 2, 2, 10, and 10, and is appropriately suspended from the ceiling or rooftop, etc., and 12 indicates the end of the rope when the mounting beam 1 tilts in a dangerous state. This is a limit switch that is activated to cut off the power supply that is energizing all the rope traction mechanisms, and is provided on the suspension support beam 4.

Thus, the mounting beam 1 having the rope traction mechanisms 2, 2 at both ends pivots the bracket 3 at the center to the bracket 5 at the center of the suspension beam 4 via the shaft pin 6, and Since both ends of the lifting platform 7 are suspended and connected to both ends of the beam 4 via the support cables 9.9, the suspension via the two rope pulling mechanisms 2, 2 and the mounting beam 1 is suspended. The support for support beam 4 is 1
Therefore, by this and two rope pulling mechanisms 10, 10 installed at both ends of the other side, the lifting platform 7
is supported against the hanging rope 11 in a substantially three-point supported state, so each rope traction mechanism 2, 2,
10, 10, the lifting platform 7 is stably raised and lowered along the hanging rope 11 while being held in a horizontal state.

Therefore, according to the present invention, the platform can be horizontally raised and lowered in a stable manner with three-point support, and has the following advantages.

In other words, when raising and lowering a lifting platform with three-point support, it is sufficient to install one rope traction mechanism directly at the center position of m parts of the lifting platform supported by suspension beams; It is necessary to use a large rope traction mechanism with twice the traction capacity of the rope traction mechanism at the other two points, but in this case, a rope traction mechanism with the same traction capacity cannot be used. This has advantages such as being compatible and economical, being convenient to manufacture, and being advantageous when trying to equalize lifting and lowering operations.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a plan view;
FIG. 2 is a front view, and FIG. 3 is a side view. In the figure, 1 is a mounting beam, 2 is a rope traction mechanism, 3 is a placket, 4 is a suspension beam, 5 is a bracket, 6 is a shaft bin, 7 is a lifting platform, 8 is a bracket, 9 is a support rope, 10 is a rope traction mechanism It is a mechanism.

Claims (1)

[Scope of utility model registration request] The central part of the hanging support beam is pivotally connected vertically and parallel to the central part of the mounting beam, which has a rope traction mechanism attached to each end. An elevating device using a rope traction mechanism, in which one side of the platform is suspended and connected, and rope traction mechanisms are installed on both ends of the other side of the platform.