Holding device for a hanging object

Abstract

Holding device (100) for a suspended object (20) which is supplied with power or a medium via at least one spiral supply line (30), comprising: - a rope (110) which can be fastened with one end (114) remote from the object to a high fastening point (40) in order to hang from there, and to the other end (112) near the object the object (20) can be fastened, preferably detachably; characterized by that a stop element (120) is provided, in or on which the spiral supply line (30) can be fixed, that the stop element (120) has a through-bore (122) through which the cable is guided; and that the stop element (120) is preferably releasably fixed to the rope at a predetermined distance d from its end (112) closest to the object.

Description

[0001] The invention relates to a holding device for a suspended object, in particular an operating panel for a machine, in particular a crane, wherein the operating panel can be supplied with power, for example, via a spiral supply line.

[0002] Such holding devices are generally known in the state of the art.

[0003] For example, US Pat. No. 4,625,903 teaches that a control panel for (remote) operation of a crane should be detachably attached to one end of a rope, preferably via a connecting element, e.g., a wire loop. Suspended from the rope, the control panel is available for an operator to operate the crane. The control panel has electrical buttons and switches and must therefore be powered by electricity. For this purpose, the control panel is supplied with electrical power via a spiral cable that is routed around the rope.

[0004] The disadvantage of this approach is that the spiral cable stretches over time due to gravity, and the lower coils of the spiral cable, i.e., those closest to the control panel, collect on the connection element or directly on the control panel. When the crane is controlled, the control panel is actively moved; the lowest coil of the spiral cable rubs against the connection element or directly on the control panel, and over time, the insulation of the spiral cable is damaged. This can lead to dangerous short circuits and / or failure of the crane control system.

[0005] Furthermore, a damping element for a spiral cable is known from German patent application DE 10 2017 219 417 A1. The spiral cable is secured in or to the damping element, which is shaped like an ellipsoid, by means of a form-fitting or material fit. For example, individual coils of the spiral cable are clamped in groove-shaped cavities on the surface of the damping element.

[0006] The invention is based on the object of developing a known holding device for a suspended object in such a way that damage to a supply line for the object is effectively prevented during active movement of the object.

[0007] The object is achieved by the subject matter of claim 1. This is characterized in that a stop element is provided, in or on which the spiral supply line can be secured, that the stop element has a through-bore through which the cable is guided; and that the stop element is preferably releasably secured to the cable at a predetermined distance d from its end closest to the object.

[0008] The terms “attached” and “fixed” are used synonymously.

[0009] The stop element can, in principle, be of any shape. It should, however, be larger than the inner diameter of the spiral supply line at its widest point, especially perpendicular to the through-hole, to allow its coils to rest on the stop element.

[0010] In the present invention, the downward movement or elongation of the spiral supply line above the object due to gravity is stopped at the level of the stop element. In concrete terms, the stop element ensures that the turns of the spiral supply line closest to the object or lowest point do not accumulate on the object itself or on its connecting element, with which the object is possibly attached to the rope, due to gravity, but rather on the end of the stop element furthest from the object. This has the advantage that these turns of the supply line do not rub against the object or the connecting element if the object is moved violently and frequently when the machine, in particular a crane, is operated. The rope acts as a flexible connecting element between the stop element and the object orits connecting element; in this way, the stop element and the windings of the supply line resting on its end remote from the object are at least largely decoupled from the movement of the object. These windings are therefore subject to virtually no abrasion due to friction and are therefore not at risk of destruction.

[0011] According to a first embodiment, the stop element is detachably attached to the rope. This has the advantage that the holding device can be disassembled, in particular the stop element can be detached from the rope. Furthermore, the detachable attachment allows for subsequent adjustment of the distance of the stop element from the object or from the end of the rope closest to the object. Alternatively, a non-detachable attachment is also possible.

[0012] The spiral supply line can be secured in or to the stop element by either a form-fitting or material fit. It is particularly important that this effectively prevents any relative movement between the supply line and the stop element.

[0013] Preferably, the stop element is designed in the form of a cable buoy with a through-hole. Such a cable buoy can advantageously be attached to the rope in a particularly simple manner, and the supply line can also be easily attached to it.

[0014] The supply line can be an electrical line or a medium line, e.g. for compressed air or hydraulic oil, to supply the object with electrical energy or with the medium, as required.

[0015] The object is, for example, a control panel for the manual remote operation of a machine, e.g. a crane.

[0016] Typically, the rope is attached with its end furthest from the object to a hall ceiling or to the crane as a fastening point.

[0017] Further advantageous embodiments of the invention, in particular of the cable buoy, are the subject of the dependent claims.

[0018] The description includes 3 figures, where Fig. 1 the holding device according to the invention; Fig. 2 the stop element in the form of a cable buoy in a longitudinal section; and Fig. 3 shows the cable buoy in an enlarged view.

[0019] The invention is described in detail below with reference to the figures mentioned in the form of exemplary embodiments. In all figures, the same technical elements are designated by the same reference numerals.

[0020] Fig. Figure 1 shows the holding device 100 according to the invention. It comprises a cable 110, which is attached at its end 114 remote from the object to a high-level mounting location 40, e.g., a hall ceiling or a crane. From there, the cable hangs down and carries an object 20, for example, in the form of a control panel for a machine, in particular for a crane, at its other opposite end 112 near the object. The object is preferably detachably attached to the cable.

[0021] The object is supplied with electrical energy, i.e., current, and / or a medium, for example, compressed air or hydraulic oil, via a spiral supply line 30. The supply line 30 is spiral-shaped, and the cable 110 is guided through the windings of this spiral supply line. The supply line 30 can be plugged into a connector 32 at its end remote from the object. In order to effectively prevent the lower windings of the spiral supply line 30 from accumulating due to gravity on the object 20 or its connecting element 22, due to the associated disadvantages described above, the invention provides a stop element 120 in or on which the spiral supply line 30 can be or is secured.The stop element ensures that the accumulation of spiral windings of the supply line 30 does not accumulate on the object 20 or its connecting element 22, but rather on the end of the stop element remote from the object; there, they are advantageously protected from damage caused by excessive friction due to frequent and violent movement of the object 20 or its connecting element 22 for operating the machine. This is because the cable 110 is flexible and therefore decouples the stop element 120 or the cable buoy from the movements of the control panel.

[0022] To fulfill its function, the stop element 120 is equipped with a through-hole 122 through which the cable 110 is guided. Furthermore, the stop element 120 is preferably releasably fixed at a predetermined distance d from its end 112 closest to the object. Maintaining this distance is necessary to realize the previously described decoupling of the stop element 120 from the movements of the object 20 or the control panel. The predetermined distance d can be selected, for example, as follows: 0 < d < 3 x D, preferably 0 < d < 2 x D, more preferably 1 x D < d < 2 x D, where D describes the length of the through-hole 122; see Fig. 1 and Fig. 2. In any case, the distance d should be sufficiently small that no further turns of the spiral supply line 30 accumulate in the intermediate area above the object 20 or its connecting element 22 and the lower end of the stop element, which could settle on the connecting element 22 or the object 20. On the other hand, the distance d should also be sufficiently large so that the rope, due to its flexibility, can ensure the described necessary decoupling of the stop element from the movements of the object.

[0023] The stop element 120 can be attached to the rope 110 either detachably, e.g., by clamping, or non-detachably, e.g., by gluing.

[0024] The stop element is preferably a cable buoy, e.g. in the form of an ellipsoid, as in the Fig. 1 to 3. This embodiment has the advantages mentioned above in the general part of the description. For the preferably releasable clamping of the cable buoy 120 to the rope 110, the cable buoy has, in addition to the through-bore 122, also a blind bore 124 with a directional component transverse to the through-bore, wherein the blind bore opens into the through-bore. A clamping bolt is then provided in the blind bore 124 for the aforementioned releasable clamping of the cable buoy to the rope. In a preferred embodiment, the blind bore 124 has an internal thread; the clamping bolt 126 can then be designed in the form of a clamping screw for screwing into the blind bore, whereby the clamping and release of the clamping can be easily implemented; see in particular Fig. 2.

[0025] The spiral supply line 30 can be secured in or on the stop element, in particular on the cable buoy, in a form-fitting and / or material-fitting manner. A form-fitting attachment can be achieved, for example, by forming spiral grooves 123 on the surface of the cable buoy, into which individual turns of the spiral supply line 30 are clamped. A material-fitting connection could be achieved, for example, by gluing the spiral turns of the supply line to the surface of the stop element or the cable buoy, for example, also in their grooves, with an adhesive; see Fig. 3. List of reference symbols 20 hanging object 22 connecting element 30 spiral supply lines 32 connector plugs for electrical supply lines in particular 40 high fortification site 100 holding device 110 rope 112 object-related end 114 distant end 120 Stop element, in particular fork buoy 122 through hole 123 spiral grooves 124 blind bore 126 clamping bolts d predetermined distance D Length / height of the through hole QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] US 4,625,903

[0003] DE 10 2017 219 417 A1

[0005]

Claims

[1] Holding device (100) for a suspended object (20) which is supplied with power or a medium via at least one spiral supply line (30), comprising: - a rope (110) which can be fastened with one end (114) remote from the object to a high fastening point (40) in order to hang from there, and to the other end (112) near the object the object (20) can be fastened, preferably detachably; characterized by , that a stop element (120) is provided, in or on which the spiral supply line (30) can be fixed, that the stop element (120) has a through-bore (122) through which the cable is guided; and that the stop element (120) is preferably releasably fixed to the rope at a predetermined distance d from its end (112) closest to the object. [2] Holding device according to claim 1, characterized bythat the stop element (120) is attached to the rope detachably, e.g. by clamping, or non-detachably, e.g. by gluing. [3] Holding device (100) according to claim 2, characterized by that the stop element (120) is a body of any shape, preferably a cable buoy, e.g. in the form of an ellipsoid. [4] Holding device (100) according to claim 3, characterized by , that the cable buoy (120) has, in addition to the through-bore (122), a blind bore (124) with a directional component transverse to the through-bore, wherein the blind bore opens into the through-bore; and that a clamping bolt (126) is provided in the blind bore (124) for preferably releasably clamping the cable buoy (120) to the cable (110). [5] Holding device (100) according to claim 4, characterized by , that the blind bore (124) has an internal thread; and that the clamping bolt (126) is designed in the form of a clamping screw for screwing into the blind bore. [6] Holding device (100) according to one of the preceding claims, characterized by , that for the pre-tuned distance d applies: 0 < d < 3xD, preferably 0 < d < 2xD, preferably 1xD < d < 2xD, with D: Length of the through hole. [7] Holding device (100) according to one of the preceding claims, characterized by , that the spiral supply line (30) for the object is part of the holding device (100); that the rope is passed through the turns of the spiral supply line; and that the spiral supply line (30) is fastened in a form-fitting and / or material-fitting manner in or on the stop element, in particular the cable buoy (120). [8] Holding device (100) according to claim 7, characterized by , that the cable buoy (120) has spiral grooves (123) on its surface; and that individual turns of the spiral supply line (30) are clamped in the grooves for positively connecting the supply line to the cable buoy (120). [9] Holding device (100) according to claim 7 or 8, characterized by that the spiral supply line (30) is firmly fixed to or in the cable buoy (120), e.g. by gluing. [10] Holding device (100) according to one of the preceding claims, characterized by that the supply line (30) is an electrical line or a medium line, e.g. for compressed air or for hydraulic oil, for supplying the object (20) with electrical energy or with the medium. [11] Holding device (100) according to one of the preceding claims, characterized bythat the object (20) is a control panel for the manual remote operation of a machine, in particular a crane. [12] Holding device (100) according to one of the preceding claims, characterized by that the fastening location (40) is located on a hall ceiling or on the machine, in particular on the crane.

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