Anchoring device for shoring walls

Abstract

The anchoring device for shuttering walls includes a body containing an arm with a top tab, a fastening part for at least one connector, a moving closing part mounted in the body and pressed to the closed position at rest, and a locking part. The closing part is a sliding part with an indentation on one of its lateral surfaces which is matched with the slider lock in the open position of the device, and with pass-through pockets and a bottom tab, forming, together with the arm and the upper tab of the body, a tong closure assembly. The device has a set of springs, of which one pushing spring is located inside the body directly above the slider lock and is secured from above by a pressure screw. The three compression springs are located inside the body in the pass-through pockets of the slide.

Claims

1. An anchoring device for shuttering walls comprising: a body being comprised of an arm ending with an upper tab; a fastener portion connected to said body so as to removably attach to at least one connecting piece; a slider being slidably seated in said body and having a closed position and a rest position relative to said body, said slider being pressed from said rest position to said closed position, wherein said slider is comprised of a lateral surface with a cutout, a plurality of through slots, and a bottom tab; a slider lock being rotatably mounted in said cutout and having a locked position and an open position; a pushing spring being located inside said body directly above said slider lock and being secured from above by a grub screw; and a plurality of compressive springs being located inside said body, each compressive spring corresponding to a respective through slot of said plurality of through slots, wherein said rest position of said slider corresponds to said locked position of said slider lock, said pushing spring being extended against said slider lock within said cutout with said slider in said rest position, each compressive spring being extended within said respective through slot with said slider in said rest position, wherein said closed position of said slider corresponds to said open position of said slider lock, said pushing spring being compressed by said slider lock so as to extend said slider lock through said cutout with said slider in said closed position, each compressive spring being compressed within said respective through slot with said slider in said rest position, and wherein said upper tab of said body and said bottom tab of said slider form a tong closure with said slider in said rest position and said slider lock in said locked position.

2. The anchoring device according to claim 1, further comprising: a plurality of fixing screws, each fixing screw extending through a respective through slot of said plurality of through slots so as to connect said slider and said body.

3. The anchoring device according to claim 1, wherein said fastener portion is provided with at least one lug.

4. The anchoring device, according to claim 1, wherein said fastener portion is comprised of one of a group consisting of: steel sheet, metal sheet, composite sheet, and aluminum.

5. The anchoring device, according to claim 1, wherein said upper tab of the arm of the body is ended with a cone.

6. The anchoring device according to claim 1, wherein said body is comprised of a double-sided side part and an upper part attached to said double-sided part.

7. The anchoring device according to claim 1, wherein said body is comprised of a first side part, a second side part, and another upper part.

8. The anchoring device according to claim 7, further comprising: a fastening pin extending through said another upper part so as to attach said upper tab to said another upper part.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

(1) The invention is shown in figures.

(2) FIG. 1 is a perspective view representing the device according to the invention in an axonometric view.

(3) FIG. 2 shows a perspective view of the body of the device according to the invention.

(4) FIG. 3 shows a perspective view of the device slider according to the invention.

(5) FIG. 4 shows a perspective view of the device slider lock according to the invention.

(6) FIG. 5 represents a perspective view of the fixture of the device according to the invention.

(7) FIG. 6A shows a perspective view of the device according to the invention in the closed/rest position (A).

(8) FIG. 6B shows a perspective view of the device according to the invention in the open position (B).

(9) FIG. 7 shows a schematic view of the first stage of opening the device according to the invention, i.e. releasing the lock.

(10) FIG. 8 shows a schematic view of the second stage of opening the device according to the invention, i.e. the shifting of the slider.

(11) FIG. 9 shows an enlarged perspective view of the slider lock mechanism with a visible cut-out surface on the slider wall marked with a dotted line.

(12) FIG. 10 shows an enlarged perspective view of the device, according to the invention, attached to a shuttering wall.

(13) FIG. 11 shows a perspective view of a cross-section through a shuttering wall with the device attached according to the invention.

(14) FIG. 12 shows a perspective view of the device according to the invention with a two-part body in an axonometric view.

(15) FIG. 13 shows a perspective view of the invention according to the device with a body consisting of two side parts and an upper part in an axonometric view.

(16) FIG. 14 shows a schematic view of a diagram of the device according to the invention indicating the location of the fastening pin.

DETAILED DESCRIPTION OF THE INVENTION

(17) The invention is presented in the embodiments:

Embodiment 1

(18) Anchoring Device Design

(19) The anchoring device according to the invention, intended for shuttering walls is shown in FIG. 1. It contains a body 1 equipped with an arm 11 ended with an upper tab 12 ended with a cone intended for mounting the device in the structural opening of the shuttering wall (FIG. 2), the slider 2 or moving closing part mounted in the body and pressed to the closed position in the rest position (FIG. 3), the slider lock 3 (FIG. 4) and the fastener portion 4, fixing at least one connecting part 5 (FIG. 5). As indicated in FIG. 2, body 1 has a rectangular shape and is equipped with an arm 11 terminated with an upper tab 12 ended with a cone 12A. The body 1 has a through hole for use as a hand grip. Wherein arm 11 of body 1 may be of different lengths depending on the dimensions of the shoring. Similarly, the dimensions (i.e. length and thickness) of the upper tab 12 of the body 1 are adapted to the dimensions of the shoring.

(20) In this embodiment, the fastener portion 4 is a steel fastening plate, but metal sheet, composite sheet, or aluminum can also be used. Whereas a connecting piece 5 is a steel carabiner.

(21) However, in this embodiment, the aforementioned fixing plate of the fastener portion 4 is equipped with two lugs 4A for attaching the connecting piece 5 (FIG. 5, FIG. 6A, FIG. 6B). Wherein, in this embodiment, slider 2, fastener 4 and slider lock 3 are connected to the body 1 by means of conical mounting screws 10. A riveted connection can also be used.

(22) The device is characterized in that the closing part is a slider 2 (having a rest position and a closed position) with cutout 6 on one of its lateral surfaces 2A, which matches the slider lock 3 (having a locked position and an open position) in the open position of the device, with through pockets or through slots 7 and a bottom tongue or bottom tab 13. However, the bottom tab 13 of slider 2 forms together with the arm 11 and the upper tab 12 of body 1 a tong closure assembly, in which the upper tab 12 is used to anchor the device in the shuttering opening, and the bottom tab in the closed position of the device is a locking part that jams the device (FIG. 1, FIG. 3, FIG. 6A, FIG. 6B). Moreover, as shown in FIG. 3, slider 2 is C-shaped and its internal curvature matches the shape of the through hole of body 1 designed for the user's grip.

(23) In addition, the device contains a set of springs (pushing spring 8a, compressive springs 8b, 8c, 8d) forming an automatic locking of the device which prevents uncontrolled opening of the device during use. Wherein, one spring 8a, which pushes the slider 2 downwards by default, is located inside the body 1 directly above the slider 2 lock and is secured from above by a grub screw 9 (FIG. 9), which prevents it from falling out. Whereas three compression springs 8b, 8c and 8d are located inside the body 1 in the through pockets or through slots 7 of slider 2 (FIG. 6A, FIG. 6B). The rest position of the slider 2 corresponds to the locked position of the slider lock 3, the pushing spring being extended against the slider lock within the cutout with the slider in the rest position, each compressive spring being extended within the respective through slot with the slider in the rest position. The closed position of the slider 2 corresponds to the open position of the slider lock 3, the pushing spring being compressed by the slider lock so as to extend the slider lock through the cutout with the slider in the closed position, each compressive spring being compressed within the respective through slot with the slider in the rest position. The upper tab 12 of the body and the bottom tab 13 of the slider form a tong closure with the slider in the rest position and the slider lock in the locked position.

Embodiment 2

(24) Anchoring device according to embodiment 1, except that its body 1 is composed of a two-sided side part 14 and an upper part 15 (FIG. 12).

Embodiment 3

(25) Anchoring device according to embodiment 1, except that its body 1 is composed of two side parts 16 and 17 and an upper part 15 (FIG. 13). Wherein, preferably, the upper tab 12 is fixed to the top part 15 of body 1 by means of a fastening bolt 18 (FIG. 14).

Embodiment 4

(26) The mode of operation of the device according to any of the previous embodiments from 1 to 3

(27) If you want to place the device according to the invention on a shuttering wall, you must open its movable slider 2 to the maximum. However, in order to do this, it is necessary to release lock 3 by moving it with the thumb of either hand upwards, overcoming the resistance of spring 8a in body 1, wherein the spring is secured against falling out by means of a grub screw 9. Moving the lock of slider control 3 until its topmost position (slider control lock is in horizontal position) will allow slider control 2, which has a special indentation 6 on one of its side surfaces, to move backwards (i.e. in the direction opposite to the position of the body's arm 11) in a horizontal direction, moving the tongue of the lower 13 slider control 2 away from the tongue of the upper 12 of body 1, resulting in the device taking an open position. FIG. 7 shows the direction of force application (arrow) in order to move the lock 3. However, the movement of lock 3 does not require much force. Whereas FIG. 3 8 shows the direction of force application to move slider 2. Movement of the slider 2 relative the body 1 shown in FIG. 8 enables the device to be mounted in the structural opening of the shuttering wall. Wherein the top tab of body 1 is placed in the opening of the shuttering wall.

(28) The automatic lock of the device in the form of a set of springs 8a, 8b, 8c and 8d prevents the device from opening when in use. If no action is taken by the user and the moving parts are in the free space, the device automatically moves to the closed position (as in FIG. 6A). Only when both actions have been performed consciously (raising the lock of the slider 3 and shifting the slider 2 backwards) will it be possible to unlock the device (as in FIG. 6B) and e.g. its insertion/removal from the shuttering wall, as shown in FIG. 10 and FIG. 11.

Embodiment 5

(29) Strength Analysis of the Device

(30) The main strength calculations for sensitive components and anchor device parts according to the invention were carried out using the Finite Element Method (FEM) using SolidWorks Simulation 2018 software.

(31) FEM is an advanced method of solving systems of differential equations, based on the division of a domain (the examined component) into finite elements for which the solution is approximated by specific functions, and performing actual calculations only for the nodes of this division.

(32) The results obtained with the Simulation design analysis software provide an approximation of the stress/strain values, etc. that can be expected during the use of the equipment.

(33) In this embodiment, the FEM simulation was performed under a load of 15 kN, i.e. the value required by the PN-EN795 standard.

(34) The results of the FEM simulation show the correctness of the designed device according to the invention. The device according to the invention meets the PN-EN795 standard.