FI116135B - Compact lift basket - Google Patents

Description

116135

COMPACT Elevator Cart - Compact Elevator Cart

The invention relates to a compact, lightweight elevator car as disclosed in the preamble of claim 1.

5

Usually, the elevator cars currently in use are not so-called. self-supporting body type, but have a load-bearing body frame to which the body is attached. The basket frame is also referred to as an adhesive frame. In addition, the roof of the bodywork must be capable of supporting the installers and service personnel working on the roof 10, and the floor of the bodywork must support the occupants of the lift or other type of load. The walls of the body are generally thin sheet metal with, for example, longitudinal bends, which do not need to carry virtually any load. As a drawback, an elevator car with a ko-15 defective frame has a larger cross-sectional area of the elevator shaft required relative to the useful area of the elevator car. Similarly, due to the body frame, the disadvantage is also the higher weight of the body, which requires a more efficient lift motor and, in geared lifts, also a more efficient gear. A further disadvantage is the difficulty of installation in confined shaft spaces, since the basket frame is often on the way to installation. Another problem is the large number of parts and e.g. consequently, relatively expensive.;. basket.

t /; Self-supporting elevator baskets, mainly for small elevators, have also been proposed to remedy the above problem. One prior art self-supporting elevator car is disclosed in British Patent No. 1495610. The solution of this patent has two rigid planes, one forming the floor of the elevator car and the other forming the roof of the car. The floor and ceiling are connected by • * 'vertical wall elements capable of supporting: the load. According to the patent, the floor and ceiling are made of steel sheets reinforced with various steel profiles. Correspondingly, the walls are made of sheet steel, the innermost of which is 35 in its edges towards the outermost and the outermost towards the innermost | s. The part between the steel plates is filled with material:: which acts as both a stiffener and a sound insulation. The roof of the basket has a reinforcing beam with lift ropes and guides above the basket. The disadvantage of this solution is the reinforcing beam attached to the roof of the 2 116135 rails, which is heavy and hinders working on the roof, for example, during maintenance. In addition, the beam must be secured in a durable location, so the roof of the elevator car must be specially reinforced.

It is an object of the present invention to overcome the above drawbacks and to provide an inexpensive, easy to install, high quality and rigid yet lightweight and space saving cab-free elevator car for use in various types of elevator solutions. The elevator car according to the invention is characterized by what is presented in the characterizing part of claim 1. Other embodiments of the invention are characterized by what is set forth in the other claims.

An advantage of the solution according to the invention is that the elevator car is easy to install at the installation site because the car frame does not take up space. In addition, there are few parts compared to known solutions. This also has the advantage of easy transport of the parts to the installation site and does not require a lot of space to transport. It is also an advantage that the self-supporting elevator car according to the invention is lighter in weight and smaller in cross-section than the elevator cars currently in use, since the car frame is not needed. The consequence is e.g. the fact that the elevator car for the same load:: can be placed in a smaller shaft. This brings you savings; **, · 25 jobs in mm. to the builder and allows for more flexible use of space «· · '**. buildings.

In the following, the invention will be explained in more detail with reference to one embodiment, with reference to the accompanying drawings, in which: "Figure 1 shows a simplified body-frame elevator car according to the prior art. , top off »» », **. 2, Fig. 2 shows a prior art basket frame. Figure 3 is a simplified side elevational view of the elevator car according to the invention, Figure 4 is a simplified side view of the elevator car according to the invention, Figure 4 is a simplified side view of the elevator car according to the invention view.

The solution according to Figs. 1 and 2 shows a prior art basket-mounted elevator car 1 drawn in simple and plan view and viewed from the side. In the vertical plane, the elevator car is rotated by a relatively heavy and strong basket frame 2 made of steel beams, which forms the closed ring around the elevator car 1 shown in Fig. 2. The elevator car 1 is supported in the basket frame by means of flexible supports 12. At the top and bottom of the body frame 15 2 are guides 6 which are guided by vertical guides 3 mounted on the wall of the elevator shaft 4. The lower part of the body frame also has folding wheels 7 for lifting ropes and stopping means for stopping the car. The gripper member 20 is not shown in the figures.

• t ·

Figures 1 and 2 clearly show how the space required by the basket frame increases the size of the shaft, since the basket frame 2 requires not only its own thickness, but also a clearance between the wall of the elevator car and its IT-25. In this case, an elevator car having a payload width "b" in the direction of the stake requires an overall width of the shaft, ···, denoted by "a".

,. The low-volume elevator car solution according to the invention is. Figures 3 and 4 are simplified illustrated in Figures 3 and 4. The inside dimension "b" of the elevator car according to the invention is the same as that of the prior art elevator car, but still; the elevator car 1 is accommodated in a much narrower shaft, the required width of which is illustrated in Figure 3 by the dimension 35 "c". Since the basket frame is not used, the overhead required by it is saved '··' space in the direction of the plunger, saving about 80 ... 100 mm in the shaft width. This is a substantial improvement in tight spaces.

4, 116135

An inventive solution in the elevator car 1 according to the invention is a reinforcing element 5 embedded in the side walls as an integral part of the side wall, which functions like a separate car frame. The reinforcing element 5 is substantially the entire height 5 of the elevator car or slightly higher. The reinforcing element 5 is positioned vertically on each side wall substantially horizontally in the middle of the wall or at a position to provide the desired balance. Further, the reinforcing element 5 is embedded in the interior direction of the elevator car such that the vertical plane 9 of the elevator car side 10 of the reinforcing element is substantially in the same vertical plane as the other inner part 10 of the sidewall.

Figure 5 illustrates the wall structure according to the invention in more detail but in simplified form and not on a precise scale. For example, the wall consists of thin steel plate elements 8, the long side edges of which are bent at right angles to the base of the element. The wall elements 8 are secured in parallel with their bent edges. In the center of the side wall, instead of the normal wall element 8, there is a reinforcing element 5 made of a stronger steel plate, the bottom part of which is embedded in the direction of the inside of the elevator car. Strength: _: The long side edges of the drawing element are bent at right angles in the same manner as the side-25 edges of the other wall elements 8. Similarly, the reinforcing element 5 is attached to the adjacent ones.,,; with 8 bent edges to the wall elements.

• *

The reinforcing element 5 is substantially deeper in the direction and width direction of the puncture substantially wider than normal '30 wall elements 8. The reinforcing element 5 has a substantially reinforcing element, the height of the reinforcing element extending outwardly from the wall of the elevator car: ··; a trough-like recess 14, and the elevator car guides 6 are disposed relative to the recess 14 such that the elevator guide rail 3, when responding to the guides 6, is located in the recess 14 with respect to the elevator guide nose 13 »<] '35. and insertion in the interior direction of the elevator car is thus selected such that when the elevator car is installed in place, the guide nose 13 extends partially into the recess 14 formed by the reinforcing element 5 in the direction of the puncture portion inside the outer surface of the elevator car wall.

5, 116135

The roof and floor structures of the elevator car are rigid, so that, supported by two symmetrically positioned reinforcing elements 5, the elevator car 1 is rigid enough to withstand the forces exerted on the car without a separate, bulky and heavy adhesive frame. The guides 6 are attached to the reinforcement element 5 near the ceiling and floor of the elevator car. Where necessary, the attachment points for the guides are reinforced. Similarly, the pulleys 7 and the Velcro Jael, not shown in the drawings, are mounted directly on the structure of the elevator car 1, close to the floor level of the elevator car. If necessary, insulators are provided between the elevator car 1 and the attachment of the diverting pulleys 7 and the guides 6 to attenuate the sounds of the rails and elevator ropes in the car.

It will be apparent to one skilled in the art that the invention is not limited to the above example, but may vary within the scope of the following claims. Thus, for example, the shape and construction of the reinforcing element 5 may be different from the above. Similarly, the suspension of the elevator car may be implemented in a manner other than by means of the pulleys 7 shown in the example.

: Also, due to the suspension of the elevator car, the lateral position of the reinforcing elements 5 need not necessarily be in the center of the side-25 wall, but may vary according to the particular structural ·. The elevator car guides may also, ···, be mounted on the roof and floor of the elevator car or other suitable place instead of the reinforcement element 5.

<t *%

Claims (2)

116135 1. A compact elevator car (1) having at least a ceiling, a floor and two sidewalls assembled from steel plate elements (8), and 5 having a reinforcement element (5) substantially elevated in the elevator car, and having a reinforcement element (5) substantially a trough recess (14) extending outwardly from the elevator car wall, and that the elevator car guides (6) are disposed with respect to the recess (14) such that the elevator guide (3) responds to the guides (6) in the recess (14). ), and that the reinforcing element (5) is a substantially vertical steel sheet element bent at right angles to its long side edges and made 15 to form part of the side wall, and that the reinforcing element (5) is made of substantially thicker material than other side wall elements (8) the reinforcement element (5) is attached to the side wall elements (8) adjacent to the reinforcement element, si-20, that the reinforcement element is simultaneously embedded in the interior direction of the elevator car and - the reinforcement element (5) is embedded in the direction of the elevator car si - '!!. * such that the reinforcement element in (5) of the car I | the inner surface (9) is substantially in the same plane with the inner surface (10) of the other side wall. Compact elevator car according to claim 1, tun- V ,,! provided that the reinforcing element (5) is horizontally attached symmetrically to the center wall of the elevator car; 30 whose. t · t * I • I t I »i • i • I '» 1. Compact hisskorg (1), omfattande ätminstone tak, golv och: tvä av stälplätselement (8) uppbyggda sidoväggar, där vardera sidoväggen försedd med et förstärknings- 116135 element (5) av tirstligen hisskorgens höjet, och därärst försett med en rännformig fördjupning (14) av väsentligen samma höjd som förstärkningselementet och som öppnar sig utät frän 5 hisskorgens vägg, och där hisskorgens styrskor (6) ar placerade i förhällande account fördjupningen (14) nj gejden ligger an mot styrskorna (6) bel belgget i fördjupningen (14), och där förstärkningselementet (5) et læssligligen vertically 10 stälplätselement stalk slant i canterna bockats i rätinkä och som bringats att bilda en del avov (5) auxiliary material (8), kännetecknad av, att att: 15. förstärkningse the elements (5) and the video links (8) the image linking elements (8) and the linking features (5) and the features (5) and the features (5). (9) väsentligen befinner sig i samma vertical soon som · <'r es ten av sidoväggens inneryta (10). • · • · • ·!. *> · 25 2. The compact hisskorg enligt patent krav 1, the rotary tongs av, att förstärkningselementet (5) i horisontalriktningen är symmetriskt fäst unskorgens binding. 1 · »· '* * * I * I I t f * * t! t »1 I