ES1099981U - Hydraulic platform for facades (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Hydraulic platform system for facades for goods and people with reduced mobility, characterized by its configuration, figure 1, and which is formed by a supporting structure/guide, figures 2, 3 to be fixed to a vertical wall, a sliding platform, figures 4, 5; a hydraulic cylinder, pulleys, steel cables and limit switches figures 6, 7, 8, that when pumping hydraulic fluid from a hydraulic pump with fluid tank, through hydraulic hoses to the hydraulic cylinder; this expands, displacing the pulley head, where the cable passes (double safety cable) to support the sliding platform, which is fixed at one end to the supporting structure/guide and on the other to the sliding platform, this sliding platform moves on the supporting structure/guide, being guided by "T" shaped profiles located in the supporting structure and "U" shaped profiles in the frame of the sliding platform and that to make the inverse movement of descent only requires the opening of a valve tarada to constant flow so that the fluid returns to the tank, emptying the hydraulic cylinder, having as a safety valve a pressure to avoid operation with overloads and a parachute valve to prevent movement in case of loss of pressure in the hydraulic circuit (eg due to breakage of the hydraulic hoses) and that by special configuration the platform can be accessed sliding on three of its faces and that can also be accessed through the gantry that forms the structure of the sliding platform figures 9 and 10. (Machine-translation by Google Translate, not legally binding)

Description

Hydraulic platform for facades.

Object of the invention

The present invention relates to a system for lifting / lowering merchandise and handicapped persons, according to version.

The device is designed to be used by disabled people or to lift or lower goods, with a maximum weight of 500 Kg., Varying the surface of support of the loads as well as the routes of elevation.

Access to the loading platform can be made through three of its faces, with the fourth side facing the vertical displacement guides, allowing them to be manipulated at conflicting points where the access faces of other platforms do not coincide of elevation.

The disabled version will incorporate a closed cabin with access door and the maneuver will be carried out by constant pulsation or by a man present.

Background of the invention

Devices for lifting and moving vertical loads with a very complete structure are known, being the model that is presented in a simplicity by the number of components that make it up and that make it a variant to be taken into account by the versatility of use . Cargo handling is done from outside the platform, in forwarding mode.

The same structure that is used for lifting / lowering loads can be applied for use by disabled people just by placing a cabin for that purpose. Its use is made in the "present man" mode.

Description of the invention

The device of the invention has a conception on the vertical displacement of loads by allowing access to the loading platform by three of its sides, being able to access each of the stops by any of them, allowing us to use it in places where not always the same side of the platform coincides in each of its stops.

The platform is formed by the following sets:

one.

Support and guided column.

2.

Guided sliding platform.

3.

Steel pulleys and cables set.

Four.

Hydraulic system composed of

•

Hydraulic unit and monobloc drive unit

•

Single acting hydraulic cylinder with safety valves

•

Hydraulic circuits (tubes and hoses)

It consists mainly of two bodies, a support column and a carriage or sliding platform.

The platform is guided by superimposing two profiles, one in the form of a "U" attached to the carriage or sliding platform and another profile in the form of "T" attached to the support column. The adjustment between the platform and the column of support and guidance is carried out by means of the installation between both profiles of "Teflon" plates, ensuring a safe and quiet operation

The displacement is achieved by means of a hydraulic cylinder and steel cables of constant length. Expanding the cylinder causes the platform car to slide upwards, unlike when it contracts, the platform movement is downwards.

To expand the cylinder, you need a hydraulic pump that drives the hydraulic fluid towards the cylinder so that its piston moves and moves the main rod. When moving the rod of the cylinder causes that the steel cable, sliding by a pulley, being an end of the same fixed in a point and in the other end fixed to the sliding platform, this platform slides on the support body.

For the downward movement, the cylinder must be emptied of hydraulic fluid, not requiring the use of the hydraulic pump. Just opening a drain valve, set at a given flow rate, allows us to slide down vertically, with a speed determined by the regulated opening of the drain valve.

As a safety element, it has a parachute valve that works in case of lack of pressure, so if any hose used to drive the hydraulic fluid between the pump and the cylinder breaks, it would prevent the cylinder from emptying and the platform An uncontrolled descent began.

As a safety element in upward movement, it has a pressure valve, which is tared, so that in case the load on the platform exceeds the maximum value indicated, it triggers and causes the hydraulic fluid to return to the tank, operating in closed circuit, blocking the car or platform and without sliding movement can be initiated.

If it is overloaded in a downward direction, the parachute valve is tripped, the platform being immobilized.

Description of the drawings

Figure 1.- Shows a front view of a hydraulic platform placed on the facade, or interior wall.

Figure 2.- It shows a frontal view of the structure / supporting guide, with the lateral anchoring elements (optionally these anchors will go on the contact face of the facade for overlapping placements thereto.

Figure 3.- Shows a front view of the structure / bearing guide, with hydraulic system and hydraulic cylinder.

Figure 4.- Shows a front view of the structure of the platform with the "U" shaped profiles on both sides.

Figure 5.- Shows a side view of the sliding platform.

Figure 6.- Shows a front view of the structure / supporting guide with the hydraulic system, cylinder and sliding platform already installed.

Figure 7.- Shows a front view of the structure / supporting guide with the hydraulic system, cylinder, sliding platform with cables and pulleys already installed.

Figure 8.- Shows a front view of the structure / supporting guide with the hydraulic system, cylinder, sliding platform with cables, pulleys and limit switches already installed.

Figure 9.- Detail of front access to the platform on the ground floor.

Figure 10.- Exit detail on the upper floor through the sliding platform frame.

Description of a preferred embodiment

In view of the aforementioned figures, it can be seen how the device for lifting / lowering merchandise and handicapped presents a simplicity of mechanisms for its operation.

That the lifting of a hydraulic fluid is only required for lifting the load, by means of a hydraulic pump in a cylinder, which will expand, displacing the pulley head. The movement is achieved because when one end of the steel cables is attached to the supporting structure / guide and at the other end to the sliding platform, it begins to move, at a speed equivalent to twice the expansion speed of the hydraulic cylinder.

That for the descent of the load only the opening of a return valve, tared at a constant flow rate, is required so that the hydraulic fluid leaves the cylinder towards the pump fluid reservoir.

That for the pumping of the hydraulic fluid it is necessary to actuate a button, present man, which is not the object of this invention.

That for the descent of the platform and return of the fluid to the tank it is necessary to press another button, also of the present man.

Claims (1)

1. Hydraulic platform system for facades for merchandise and people with reduced mobility, characterized by its configuration, figure 1, and which is formed by a supporting structure / guide, figures 2.3 that must be fixed to a vertical wall, a platform sliding, figures 4,5; a hydraulic cylinder, pulleys, steel cables and limit switches figure 6, 7, 8, which when pumping hydraulic fluid from a hydraulic pump with fluid reservoir, through hydraulic sleeves to the hydraulic cylinder; this expands, moving the pulley head, through which the cable (double cable for safety) of support of the sliding platform passes, which being fixed at one end to the structure / supporting guide and the other to the sliding platform, This sliding platform 10 moves over the supporting structure / guide, being guided by "T" shaped profiles located in the supporting structure and "U" shaped profiles in the frame of the sliding platform and which to make the movement Inverse of descent only requires the opening of a valve tared at a constant flow so that the fluid returns to the tank, emptying the hydraulic cylinder, having as a safety a pressure valve to prevent operation with overloads and a parachute valve to prevent movement in case of loss of 15 pressure in the hydraulic circuit (eg due to breakage of the hydraulic sleeves) and that by special configuration the sliding platform can be accessed by three of its faces and that can also be accessed through the gantry that forms the structure of the sliding platform Figures 9 and 10.