CLAMP FOR COUPLING PROPS TO BEAMS, PROP COMPRISING SAME AND ASSEMBLY METHOD

Abstract

An elastic clamp is for coupling props to beams. The clamp includes a minimum of two elastic wings able to hold and exert pressure on opposite lateral faces of the beam to be supported by the prop. The clamp allows the prop to be retained in a place selected along the beam to be supported, and prevents the prop from falling and rotating sideways.

Claims

1. An elastic clamp for coupling props to beams comprising a minimum of two elastic wings able to hold and exert pressure on opposite lateral faces of the beam to be supported by the prop, to allow the prop to be retained in a the place selected along the beam to be supported, and to prevent the prop from falling and rotating sideways.

2. The elastic clamp for coupling props to beams according to claim 1, wherein each of the wings has one side for bearing with pressure on a lateral face of the beam to be supported and the other side slightly separated with respect to the plane of symmetry of the part, intended to limit the rotation of the prop about its axis.

3. The elastic clamp for coupling props to beams according to claim 2, wherein the elastic wings consist of respective elastic rods of inverted U shape or inverted V shape or similar.

4. The elastic clamp for coupling props to beams according to claim 2, wherein both elastic wings made of rod form part of a single body made of rod that has a lower loop that can be coupled by insertion to the top plate of the prop and, as a minimum, two inverted U-shaped or inverted V-shaped structures that determine both the sides for fixing with pressure on the side walls of the beam, and the sides that are slightly off-centre with respect to the plane of symmetry, to limit the rotation of the prop about its axis.

5. The elastic clamp for coupling props to beams according to claim 2, wherein the free ends of the inverted U-shaped or inverted V-shaped structures of the wings made of rod are folded to allow their insertion and retention in holes in the plate of the props.

6. The elastic clamp for coupling props to beams according to claim 2, wherein the loop of the body of spring steel rodp for retention thereof on the top plate of the prop has a lower side provided with slight upward convexity to determine the contact zone with the lower face of the top plate of the prop.

7. The elastic clamp for coupling props to beams according to claim 2, wherein the elastic wings are connected to the top plate of the prop.

8. The elastic clamp for coupling props to beams according to claim 2, wherein the wings are extensions of the top plate of the prop.

9. A prop for supporting beams that comprises means of support on a supporting surface, means for varying the height and for fixing at the height selected as well as a plate fixed on the upper end of the prop, wherein the upper end of the prop incorporates an elastic clamp according to claim 1.

10. A prop for supporting beams that comprises means of support on a supporting surface, means for varying the height and for fixing at the height selected as well as a plate fixed on the upper end of the prop, wherein the upper end of the prop incorporates a firmly mounted elastic clamp according to claim 1.

11. Prop for supporting beams that comprises means of support on a supporting surface, means for varying the height and for fixing at the height selected as well as a plate fixed on the upper end of the prop wherein the upper end of the prop incorporates a detachably mounted elastic clamp according to claim 1.

12. A method for assembling a prop according to claim 9, comprising: incorporating the elastic clamp in the top plate of the prop, presenting the prop with the upper clamp fixed to the lower face of the supporting beam of shuttering at the freely selected point along it, and pressing the prop, from the bottom upwards, against the bottom part of the beam so that the wings of the clamp open elastically to hold the prop in the selected place of the clamp, and setting the prop upright, supported at the bottom on the supporting floor.

13. The method for assembling a prop according to claim 12, wherein the elastic clamp is incorporating on the top plate of the prop in a fixed manner, and further comprises step of introducing the plate into the loop of the clamp and the folded ends of the arms of the latter into respective holes of the plate of the prop.

Description

[0012] For better understanding of the present invention, drawings are appended that are representative of a preferred embodiment of the prop for civil engineering work that is the subject matter thereof, which are simply of a representative nature of embodiment examples, but do not limit the scope of the invention.

[0013] FIG. 1 shows a perspective view showing the relative position of the upper end of a prop that incorporates the clamp, made of steel rod, with respect to the mixed beam to be supported.

[0014] FIG. 2 is a view similar to FIG. 1, showing the prop coupled to the beam to be supported, the lateral centring and retaining wings of the clamp being supported on the lateral faces of the supported beam.

[0015] FIG. 3 is a perspective view of the same elements as in FIGS. 1 and 2, from a part located under the top plate of the prop.

[0016] FIG. 4 is a perspective view of an embodiment of the clamp of the invention based on a single rod of spring steel.

[0017] FIG. 5 shows a front view in elevation, from the fixing ends on the plate, of the same element shown in FIG. 4.

[0018] As is shown in the figures, the prop, which is one of the objects of the present invention, comprises a right foot -1- that is intended to rest on the ground or floor of the structure, and has, although they are not shown, means for varying the height and for fixing at the height selected, as well as a top supporting plate -2- that is to receive the corresponding load at the place of support with the beam -3-, which is shown in the figure as a mixed beam formed by a lower element -4- made of wood and a tubular upper element -5- made of steel.

[0019] Said prop of the present invention has, connected to the upper face of the plate -2-, an elastic clamp for centring and coupling that has two wings -6- and -7- of the elastic type intended to press on the side walls of the beam -3- for holding the prop in position, preventing it from falling and limiting its rotation about its own axis. For this, in a preferred embodiment, the clamp comprises a section of spring steel rod with folded wings -6- and -7- connected to a bridge or loop -8- for coupling to the plate -2-, by inserting the plate in the loop, achieving retention of the prop by two sides of said wings, at the same time allowing centring of the prop with the other two sides, limiting the rotation of the prop about its axis. In more detail, in the embodiment shown as a suitably folded single rod of spring steel, as can be seen in FIGS. 4 and 5, the prop carries, incorporated simply by elastic retention, the rod element provided with the two wings -6- and -7- joined together by a lower loop -8- that fits elastically on the plate -2-. Each of the wings -6- and -7- is formed by two arms such as -6-, -6- and -7-, -7-, and each wing can form a structure of inverted V shape, inverted U shape or similar, giving a minimum of one arm -6-, -7- for support on the side walls of the beam to be supported and a minimum of another arm -6-, -7- slightly displaced laterally for performing the function of centring the beam in the case of partial rotation of the prop about its axis. This can best be seen in FIG. 5, which shows the lateral displacement between the arms -6-, -6- and -7-, -7-, of each wing, to allow the functions described, of fixing on the beam and centring, limiting the rotation of the prop with respect to its axis.

[0020] As can be seen, the loop -8- has a lower side -8-, FIGS. 4 and 5, slightly convex in its middle part -9- to improve contact with the lower face of the plate -2-, the arm -8- of which is prolonged at both ends by respective curved zones -10- and -11-, for example U-shaped, V-shaped or similar, intended to fit together with the plate -2- in its positioning.

[0021] Retention of the rod element on the plate -2- is completed by introducing the folded ends -12- and -13- of the corresponding sides -6- and -7- of the wings into respective holes, such as -14- and -14-, which are shown in FIG. 1.

[0022] By means of the present invention, assembly of the prop can be facilitated considerably, since the worker, from below the beam -3-, with feet on the ground or on the corresponding floor of the structure, will simply have to press gently on the prop from the bottom upwards, inserting it in the bottom part of the beam, the prop being retained laterally by the elastic wings connected to the plate -2-, in particular in the case of the example shown, by the arms -6- and -7-, whereas the arms -6- and -7- are slightly displaced with respect to the arms -6- and -7-, performing a function of centring the prop with respect to the beam, limiting any rotation of said prop about its axis of symmetry. Similarly, disassembly of the prop can be effected simply by pulling when the recovery operation is taking place.

[0023] As will be understood, the wings connected to the plate -2-, which in the example shown in the figures consist of a single element made of spring steel rod, could be produced in many other shapes and materials, for example, multiple wings, laminar wings welded or riveted to the plate, elastic clamps with some other structure and different fixing, which would be included within the scope of the present invention.

[0024] The present invention therefore comprises in combination the elastic clamp for centring and coupling that has been described and the prop configured for fixed coupling of said clamp on the top plate of the prop, as well as the method of assembly. It incorporates a novel prop according to the invention that is very easy to couple to a beam, especially a beam for supporting floorshuttering by the simple presentation of the prop from the bottom part of the beam by the worker, coupling the clamp elastically on the bottom part of the beam, exerting pressure on the two lateral faces thereof, all without limitation of the place where the coupling is carried out, since the new prop provided with the clamp does not require any special feature of the beam for centring the prop, as was usual in the prior art.

[0025] Therefore, to summarize, the prop according to the present invention consists, according to one aspect, of a right foot with means of support on a lower supporting surface, means for varying the height and for fixing at the height selected, as well as a plate fixed to the upper end of the prop, so that the upper end of the prop has a minimum of two coupled elastic wings able to hold and exert pressure on the opposite lateral faces of the beam to be supported by the prop, allowing the prop to be retained at the selected place along the beam to be supported and preventing it falling and rotating sideways.

[0026] According to another aspect, each of the wings has one side for bearing with pressure on a lateral face of the beam to be supported and another side slightly separated with respect to the plane of symmetry of the part, intended to limit the rotation of the prop about its axis.

[0027] According to another aspect of the invention, the elastic wings are connected to the top plate of the prop.

[0028] According to another aspect of the invention, the wings are extensions of the top plate of the prop.

[0029] According to another aspect of the invention, the elastic wings consist of respective elastic rods of inverted U shape or inverted V shape or similar.

[0030] In another variant of the invention, the elastic wings made of rod form part of a single body made of rod that has a lower loop that can be coupled by insertion to the top plate of the prop and, as a minimum, two inverted U-shaped or inverted V-shaped structures that determine both the sides for fixing with pressure on the side walls of the beam, and the sides that are slightly off-centre with respect to the plane of symmetry, to limit the rotation of the prop about its axis. According to another aspect, the free ends of the inverted U-shaped or inverted V-shaped structures of the wings made of rod are folded to allow their insertion and retention in holes in the plate of the prop.

[0031] According to another aspect, the loop of the body made of spring steel rod for retention on the top plate of the prop has a lower side provided with slight upward convexity to determine the contact zone with the lower face of the top plate of the prop.

[0032] According to another aspect, the invention comprises a prop provided with means of support on a supporting surface, means for varying the height and for fixing at the height selected, as well as a plate fixed on the upper end of the prop, where the upper end of the prop carries, mounted firmly, an elastic clamp according to the aspects mentioned above.

[0033] According to another aspect, the invention comprises a method of assembly that includes:

[0034] fixed mounting of an elastic clamp as described above on the top plate of the prop, introducing the plate into the loop of the clamp and the folded ends of the arms of the latter into respective holes of the plate of the prop,

[0035] presenting the prop with the upper clamp fixed to the lower face of the supporting beam of shuttering at the point freely selected along the latter, and

[0036] pressing the prop, from the bottom upwards, against the bottom part of the beam so that the wings of the clamp open elastically to hold the prop in the place selected for the clamp, and

[0037] setting the prop upright, supported at the bottom on the supporting floor.

[0038] Although the invention has been presented and described with reference to embodiments thereof, it will be understood that these do not limit the invention, therefore variations of many design or other details will be obvious to a person skilled in the art after interpreting the subject matter that is disclosed in the present description, claims and drawings. Accordingly, all variants and equivalents will be included within the scope of the present invention if they may be considered to be within the more extensive scope of the following claims.