ES2255351B1 - SELF-ALIGNED UNION SYSTEM, FOR HIGH SPEED ELEVATOR GUIDES. - Google Patents

Abstract

Self-aligning connection system, for high-speed elevator guides, in which the upper surface (11) and lateral surfaces (12) of the fungus (13) that have precision machining (11a), (12a) serve as a reference to perform a precision machining (16a), (15a) at a fixed distance (h) (h1) of the upper surface (11) at the bottom (16) or top (15) of the wings (14). of the fungus (13) along the axis OY and in at least one of the lateral surfaces (17) of the wings (14) precision machining (17a) at a fixed distance (a) from the lateral surface (12) of the fungus (13) along the OX axis and consists of joining means between the guide (1) and an "L" plate (2) that at the same time laterally press the plate (2) against the lateral surface (17) of at least a wing (14) of the guide (1). Of application in the manufacture of elevators.

Description

Self-aligning system, for guides high speed elevator.

The present invention concerns a system of self-aligning connection, for high speed lift guides.

Elevator guides require every day higher quality indices due to the increase in speed of elevators and for the comfort requirements of the users. Their unions must be made in compliance with these quality requirements and precision.

On the other hand, and even in the case that high quality manufacturing of the guides and even high precision of the joints were achieved, the problem remains that the assembly requires measurements, regulations and adjustments of the joints of the different sections of guides, which must be carried out " on site " and by qualified personnel but not belonging to the manufacturer of the guides.

It is perfectly understood that any improvement in the simplification of the assembly it represents a great advance in this technological field and a rapid assembly without detriment of the quality and precision required.

A conventional guide consists of soul-fungus and base-wings, joining each piece of guide by tongue and groove.

In the current state of the art already known systems in which one of the axes is aligned first (for example the OX axis) and additional operations are necessary for the alignment on the other axis OY.

In the current state of the art, connection systems for lift guides that do not use tongue and groove are already known. The applicant himself is the holder, among others, of the Spanish Patent P9902839 referring to an elevator guide joining system that is characterized in that on each side of the union of the two guides there is a joint-tightening plate consisting of a central body that is disposed on the upper surface of the wings of the two guides to be joined which is extended by an edge by an upper flap that rests on the soul-fungus and by the other edge by a lower flap leaving the central body bolted to the wings so that the upper flap presses against the fungus and forming the upper flap and the lower angle obtuse flap with the body
central.

Although with the system object of the P9902839 patent cited the guides are joined and aligned according to the OX and OY axes simultaneously and perfectly, the object of the present invention offers a new solution, technically and structurally more simplified than, while maintaining the requirements of quality and precision that is required in high speed elevator guide joints, allows for a much more simple and quick " on-site " assembly that, preferably, leaves the guide's neck / wings area free, for example, to allow the positioning in it of position sensors. It is characterized in that each guide comprises a soul-fungus with precision machining on its entire upper surface - OX axis - and precision machining on the upper part of its lateral surfaces - OY axis - and a wing on each side, said surfaces with precision machining, they serve as a reference to perform precision machining at a fixed distance from the reference machining on the fungus along the OY axis and on the lateral surfaces of the wings a machining of origin on the lower or upper surface of the wings precision at a fixed distance from the reference machining in the fungus along the OX axis.

For the union between these guides provided with said precision machining formed at origin, is arranged a base plate with joining means - press between she and the guides, arranged in linear continuity; being told joining means at least one hole in at least one of the wings of each guide and a recess with holes aligned in one of its faces and that offer a certain eccentricity with the holes faced conformed on the wings of the guides to join; so that, in the conjugate confrontation, the guides self-align simultaneously according to both axes OX, OY thanks to eccentricity between holes, by inserting in them the screws for your squeeze in.

With the system object of the invention:

a) all precision machining, both for the guides to join as for the plates union-tightening are performed at origin;

b) the conformation of the holes (either both interns, interns in the wing of the guides to join and blind in the joining plates-tighten or vice versa) also performed at origin;

c) the self-alignment is carried out with lateral pressure, by offset of the screw during the fixing operation with screws -or screw / nut sets- (being, on the other hand, this fixation is the only one that is carried out " in situ "). No calibration or subsequent verification is required.

To better understand the purpose of this invention, a preferred form of practical realization, susceptible to accessory changes that do not distort its foundation.

Figure 1 represents a side view partially sectioned from a first practical embodiment of the system object of the invention, in which the guides to be joined (1) they contain countersunk through holes (10) and the plate union-tighten (2) with holes Blind / Threaded Through (20).

Figure 2 represents a partially sectioned side view of an alternative practical embodiment of the system object of the invention, in which the guides to be joined (1) involve pairs of through holes / threads.
Countersunk sides (10) and the joint / clamping plate (2) have threaded through holes (20).

Figure 3 represents a side view partially sectioned from an alternative practical embodiment of the system object of the invention, in which the guides to be joined (1) through holes (10) and the plate union-tighten (2) includes through holes countersunk (20).

Figure 4 represents a side view partially sectioned from an alternative practical embodiment of the system object of the invention, in which both the guides to be joined (1) as the union-tighten plate (2) behave through holes (10), (20). In this case, to carry out the anchor cam / nut screw sets are used.

Figure 5 represents a side view partially sectioned from an alternative practical embodiment of the system object of the invention in which the joining / tightening plate (20) includes threaded through holes, in which positional countersinking inverted (10) with respect to figure 1 and the wing face (14) that carries the precision machining (15a).

Figure 6 represents a very enlarged detail, to observe the positional eccentricity (Δ) between holes (10), (20) for tightening and self-alignment when inserting screws

The detail of this figure 6 corresponds to the indication A of figure 1 and also with the embodiment represented in figure 2.

An example of practical, non-limiting embodiment of the present invention.

The system object of the invention employs guides (1), tie-tightening plates (2) and bolts or screw / nut sets. For greater interpretative clarity, these bolts or screw / nut sets have not been represented. All embodiments are similar
-emple screw- except the one shown in figure 4 which uses screw / nut sets.

These types of guides (1) consist of a Soul-fungus (13) and wings (14). The wings (14) have upper surface (15), lower surface (16) and lateral surface (17). The soul-fungus (13) It has an upper surface (11) and a lateral surface (12).

The guides (1) of elevators from the comfort that users need and the elevator slip on they without frights, carry in their soul-fungus (13) precision machining (11a) over its entire upper surface  (11) -OX axis- and precision machining (12a) in the part superior of its lateral surfaces (12) -axis OY-. Both of them Precision machining can go in angular continuity.

The applicant has considered that you are surfaces (11a), (12a) machined in the fungus (13) with large precision according to the axes OX, OY, can serve as reference precise for joining the guides (1) and the base plate (2) and ensure that said union is accurate according to the OX, OY axes without supplementary alignment operations.

Said surfaces (11a), (12a) machined they serve as reference to effect on the lateral surfaces (17) of the wings (14) precision machining (17a) to a fixed distance (a) from its reference machined surface (12a) in the fungus (13) along the OX axis and precision machining (16a) in part of its lower or upper surface (15), (16) of the wings (14) at a fixed distance (h) from its machined surface of reference (11a) in the fungus (13) along the axis OY. Both of them Precision machining can go in angular continuity.

The system is completed with joining means between base plate (2) and guides (1) in at least one of its wings (14).

To materialize these joining means:

a) the union-tightening plate (2) It presents a recess-cashier (21) with two machining made at origin and which can also be precision (21a), (21b) on both sides; both machining (21a), (21b) are conjugated with the mentioned precision machining (16a), (17a) of the guides (1) to be joined; and some holes (20) in positional correspondence with one of the faces (21a) of said pocket-down (21);

b) at least one of the wings (14) of the guides a join has holes (10).

The holes (10) made in the wings of the guides (1) and the holes (20) made in the plates junction (2) have a slight eccentricity (Δ) with each other -see figure 6- when facing guides (1) and plates (2) to make the union with screws. This eccentricity (Δ) is what propitiates the lateral pressure between the plate (2) and the wing (14) of the guide (1) and consequently the self-alignment when inserting the screws and tighten them. The simultaneous self-alignment according to the two OX axes, OY takes place because, in any position or possibility of realization always face two faces (16a), (17a) of a wing (14) of the guides (1) to be joined with two faces (21a), (21b) of one pocket (21) of the connecting piece (2); the four faces are, by couples, conjugated and orthogonal to each other and the four present a  precision machining performed at source.

This configuration described is basically the object of the invention and admits multiple ways of bringing it to the practice. Some of these realizations, for being the most evident, they have been represented, by way of example in the figures of the planes. So:

- In the practical embodiment represented in the Figure 2, the guides (1) to be joined have through holes (10) in the two wings (14) and the union / tightening plate (2) have two holes (20) interns eccentrically facing those To insert screws.

- In the practical embodiment represented in the Figure 3, the conformation of the holes has been reversed: it is through and countersunk the hole (20) of the joint plate (2) and is through and threaded the hole (10) of the wing (14) of the guide (1).

- In the practical realization presented in the Figure 4 are through both holes (10), (20). The union is in this case it is done with screw / nut sets, the cam head torm.

- In the practical embodiment represented in the figure 5 the position of the connecting plate (2) has been inverted with respect to the wing (14) of the guide (1). The faces with machining of precision are, in this case, the side face (17a) and the face upper (15a) of the wing (14).

They are included in the system object of the invention any other alternative practical embodiments or complementary that do not alter, change or modify the proposed essentiality.

The plate (2) in any of the embodiments practices can cover both wings (14) as an example appears in figure 1.

The eccentricity function Δ mentioned can be achieved by other mechanical means, by example with off-center screw head, cam screw, etc. since what it is about to achieve is a lateral pressure between the  plate (2) and guide (1).

Claims (5)

1. Self-aligning system, for high-speed elevator guides, each guide comprising a soul-fungus (13) with precision machining (11a) on its upper surface (11) -OX axis- and precision machining ( 12a) in the upper part of its lateral surfaces (12) -axis OY- and a wing (14) on each side; characterized in that: a) the upper surface (11) and surfaces sides (12) of the fungus (13) with precision machining (11a), (12a) serve as a reference to make in origin in the lower surface (16) or upper (15) of the wings (14) a precision machining (16a), (15a) at a fixed distance (h) (h1) of the upper surface (11) of the fungus (13) along the OY axis and in at least one of the lateral surfaces (17) of the wings (14) a precision machining (17a) at a fixed distance (a) from the lateral surface (12) of the fungus (13) along the OX axis; b) a plate (2) with at least one pocket-recess (21) with two "L" surfaces for coupling to at least one wing (14) of the guide; c) consists of joining means between the guide (1) and the plate (2) that at the same time laterally tighten the plate (2) against the lateral surface (17) of at least one wing (14) of the guide (1). 2. Self-aligning connection system, for high-speed elevator guides, according to the preceding claim, characterized in that the connection-tightening means between plate (2) and guides (1), arranged in linear continuity are at least one hole (10 ) on at least one of the wings (14) of each guide (1) and a recess-pocket (21) on the plate (2) with at least one hole (20) on one of its faces presenting the holes (20) of the plate (2) a certain eccentricity (Δ) in relation to the facing holes (10) formed in the wings (14) of the guides (1) to be joined, so that, in the conjugate confrontation, the guides (1) simultaneously along both axes OX, OY, this self-alignment being carried out with lateral pressure between wing (14) and plate (2) thanks to the eccentricity between holes (10), (20), by inserting in them the screws for its squeeze in. 3. Self-aligning connection system, for high-speed elevator guides, according to previous claims, characterized in that: a) the holes (10) formed in at least one of the wings of each guide (1) to be joined are through holes and they involve a countersink in their face opposite to that of confrontation with the union-tighten plate (2), to accommodate the corresponding screw head; b) the holes (20) formed in the plate union-tighten (2) are threaded; so that the union takes place inserting screws that thread into said hole (20) of the plate (2) and house its head in the countersink of the through hole (10) of the wing (14) of the guide (one). 4. Self-aligned joint system, for high-speed elevator guides, according to claim one, characterized in that: a) the holes (10) formed in at least one of the wings of each guide to join are threaded; b) the holes (20) formed in the plate union / tightening (2) are interns and involve a countersink in your face opposite to the confrontation with the wing of the guide to join; so that the union takes place inserting screws that thread into said hole (10) and they house their head in the countersink of the through hole (twenty). 5. Self-aligning connection system, for high-speed elevator guides, according to claim one, characterized in that both the holes (10) formed in at least one of the wings (14) of each guide (1) to be joined and the holes (20) formed in the joint-tightening plate (2) are through, with or without countersunk on their faces opposite to the confrontation; so that the union takes place using screw / nut sets.