DE10256949B4 - Device for holding at least one lightning rod on a flat roof or the like object to be protected - Google Patents

Abstract

Device for holding at least one lightning rod on a flat roof or the like object to be protected, comprising a three- to n-leg arrangement which is detachably connected to weighting bases, the catching rod being fastened at the intersection of the leg arrangement, and the weighting base having at least one receiving opening, characterized in that
the leg arrangement consists of an electrically conductive hollow profile and a guide bushing for a interception rod receiving tube is provided at the intersection,
A substantially vertically extending bolt is located at the end of the respective hollow profile remote from the intersection point, a non-positive and / or positive connection being made to at least one of the weighting bases via the bolt.

Description

The invention relates to a device to hold at least one lightning rod on a flat roof or the like object to be protected, comprising a three to n-leg arrangement, which with weighting bases solvable communicates, and being at the intersection of the leg assembly the interception rod is attached, according to the preamble of the claim 1.

From the German utility model G 92 05 078.6 is a device for holding a lightning rod previously known on a flat roof. The device consists of a weighted component that can be attached to one end of the lightning rod. The weighted component is made up of several rod-shaped support parts formed, which extend parallel to the support plane and on which one or more weights are attachable. The support parts are L-shaped trained and each have at one end a transverse to Support plane and bend parallel to the lightning rod.

All bends and the connectable end the lightning rod are then from a common clamp comprises and pressed together respectively connected in this way. The rod-shaped support parts consist of the same lightning rod as the lightning rod. The arrangement known from the cited utility model is However, it is not suitable for securely holding lightning rod of greater length and greater wind load and hold. Furthermore, there are sloping surfaces or Bumps on a flat shelf are difficult when the holder is in a stable position. The relative long training of the weighted legs allow over the whole length arrange a large number of weighting bases or weighting bodies. All directed towards the center here, i.e. oriented to the interception rod itself weighting however, only develop low leverage forces, so that again when it applies size To absorb wind loads, the device in question is unsuitable.

Taking into account the problem of wind loads with longer interception rods explained above, according to DE 201 12 229 U1 proposed to arrange an aerodynamic air guide profile on the safety rod, in such a way that the air guide profile is mounted around the safety rod as an axis of rotation. With the help of such an air guide profile, it should be possible to ensure sufficient stability of the interception rod even at high wind speeds. Although the proposed air guiding profile has a streamlined shape, however, the area exposed to the wind is always larger than that of the interception rod itself. Further problems result in the necessary secure pivot bearing even over a longer operating period without the need to carry out maintenance work. In order to avoid jamming of the air guide profile in the case of greater lengths of the interception rod or inaccurate round profile, the air guide profile should also be formed in several parts, which is disadvantageous both in terms of production and assembly.

With the German utility model GM 92 13 546.3 is a bracket and support for a lightning rod shown, wherein a rod structure is formed, the weighting parts is connected, while still a detachable connection between the framework and lightning rod. In one embodiment, the framework has an approximate Triangular shape, the legs of the triangle holding concrete parts serve, which form the actual weighting. The concrete parts have grooves that are used to attach a lightning rod or To hold parts of the framework. For this, a latching in the Concrete part used in its manufacture.

The frame formed by the framework carries the lightning rod eccentrically in terms of of the framework plan. Such an off-center bracket for the lightning rod is related to the different angles of attack at different Wind directions and the resulting forces not optimal.

Those trained on the weighting parts Clamping brackets for inserting or pressing in the lightning rod are for the fixing of a safety lead is sufficient, but not in the Able to transfer higher To absorb wind loads. There is therefore a risk that the Wire of the framework from the bracket or brackets with the Follow the then no longer secure attachment of the lightning rod.

From the German utility model G 94 07 712.6 is an arrangement for holding a lightning rod previously known by means of a weighting base.

Specifically, the weighting base has one Recess for introducing the lower end of the in the holding position Lightning rod, being for the detachable Hold the lightning rod or a corresponding part in the receiving opening or recess of the weighting base by means of attachment Wedge is provided.

From the above, it is therefore an object of the invention to provide a further developed device for holding at least one lightning rod on a flat roof or the like object to be protected, which device is based on a multi-leg arrangement known per se, said leg is releasably connected with the weighting sockets. The bracket should also be suitable for absorbing larger wind loads, ie longer interception rods, and ensure that a secure hold is ensured even on uneven roof surfaces, roof pitches or sloping ceilings.

The solution to the problem of the invention takes place with a device according to the features of the claim 1, the subclaims expedient configurations and represent further training.

According to the invention there is the leg arrangement from an electrically conductive Hollow profile, with at the intersection a guide bush for a safety rod mounting tube or for the Interception rod itself is provided.

At the intersection of the respective hollow profile there is an essentially vertical bolt. About the each bolt can then be a non-positive and / or positive connection for at least one weighting base each. Therefor the weighting bases have the well-known, at least a corresponding receiving opening. The vertical bolt is inserted into the opening of the Weighting socket inserted and there is a clamping wedge connection. To produce this clamping wedge connection, the receiving opening has a conical surface that is matched to the wedge angle. The wedge itself exercises at Strike forces both on the bolt attached to the hollow profile and the corresponding one counter surface in the wedge seat. The weighting base can be made of concrete, mineral casting or a similar material appropriate strength and mass exist.

The bolts are cohesive on the hollow profile, preferred by welding attached.

According to a preferred embodiment, run the respective bolts both vertically upwards and vertically downward. That way you can with an optimal leverage multiple weighting bases with the bolt are connected and form a stack arrangement.

It is in the spirit of the invention that the Bolts each have such a length exhibit that several Weighting base of each bolt in the above-mentioned stacking arrangement are recordable.

Are on at least one upper bolt end Fasteners for the drain wire attachable or such fasteners already intended.

At the intersection of e.g. Tripod arrangement made of electrically conductive Hollow profile attached guide bush can be a plug-in, snap-in or threaded connection for the mounting tube or the interception rod exhibit.

In the case of a desired one Threaded connection includes the guide bush an internal thread, which is complementary to a corresponding external thread is formed on at least one end of the receiving tube.

In another embodiment of the invention, the hollow profile of the leg assembly consists of each a telescopic arrangement of at least two nested Elements whose desired End position over Clamping or locking means can be fixed. Of course you can the telescope arrangement can also be made in three or more parts, the clamping or locking means in addition to the mechanical fixation also for the desired ensure electrical contacting.

According to the invention, there is the possibility Device for holding at least one lightning rod with one stand extension to provide.

This stand extension can consist of one there is another hollow profile part, which at each end has a vertically extending bolt.

A connection weighting socket then has two spaced receiving openings for both fixing the respective end of the hollow profile of the leg assembly and one End of the stand extension. The attachment of both one end of the hollow profile of the leg assembly and the end of the stand extension takes place with the clamping wedge variant already described. The used Wedges, like the weighting base, are standard components, which are also used to fix the air-termination cables over a roof surface.

The free end of the base extension used stands above the bolt located there with at least one additional weight base non-positive and / or positive in connection. The variable foot extension enables the flash technician to decide on-site what lengths for which lightning rods choose are, taking into account the lightning protection zone. After that can then on the one or more legs of the multi-leg arrangement of the mounting device the stand extension be attached without further constructive changes become necessary.

A second embodiment of the stand extension is based on a further hollow profile part, which on one End of a through hole for receiving a vertical one Bolt the leg assembly and a vertical one at the other end Bolt for has one or more additional weighting bases.

The extension can be pivoted about the respective bolt of the leg arrangement via the through hole which is attached to one end of the hollow profile part of the base extension in order to find a favorable position on the flat roof, for example. A clamping screw for holding the end received in the through hole for the respective bolts then serves the corresponding appropriate position fixing depending on the selected swivel angle or the selected position of the stand extension.

A third embodiment of a stand end or Stand extension part consists of a bolt to make the connection with at least a weighting base and a leg extending in the longitudinal direction of the bolt.

There are several spaced apart in the leg Fastening holes or an elongated hole are available for height adjustment and / or angle adjustment option for each to create an end of a hollow profile of the leg assembly. In this Fall is a bolt-free end of the telescope assembly or the leg assembly, which forms the mounting device, received by the leg.

The leg can preferably be a Have a U shape, with the long legs of the U-shaped part grasp the outside of the respective end of the hollow profile.

The corresponding end of the hollow profile is then over a screw bolt releasably connected to the leg.

Shaping can on the hollow profile of the leg assembly Means for attaching a guy line are provided for longer interception rods his. The bracing itself includes ropes and turnbuckles. Also can Tension springs to exercise of tension forces for longer interception rods be provided.

The receiving tube for the actual Air-termination rod can be made in one or more parts and it is at the top End of the receiving tube formed a recording head.

The recording head has one Design an internal thread for a rod end with a complementary external thread.

In addition, the recording head be secured in the receiving tube by means of a pin connection.

Alternatively, the recording head is as guide bush for the Trap rod end trained and has at least one on the side arranged clamping screw, with the help of which the rod end is held becomes. For this purpose there is an internal thread in the guide bush introduced that is substantially perpendicular to the longitudinal axis the socket opening extends.

At the top of the recording head can be a holding plate for the aforementioned Rope bracing can be attached. There is also a special recording head realizable, the overhanging Has ends that serve to fasten the rope bracing. The cantilevers can here an eyelet shape own or only include holes.

The explained device for mounting at least one lightning rod goes on the one hand from firm feet, but also of a configuration with pull-out, clip-on and / or pivotable extensions or such realized feet and makes it possible to use the vertical oriented bolts one or more weighting bases in a stacked arrangement record so that Secure fixing of longer interception rods with greater wind load even on uneven roof surfaces with roof pitches or sloping ceilings can be done. The interception rod can be fixed with the preferred tripod arrangement be connected or is telescopic in a solution variant Extendable. The height the interception rod can then be on site according to the specification the lightning protection ball or according to the protection angle method according to the lightning protection standard can be set.

The invention is based on the following of embodiments and will be explained in more detail with reference to figures.

Here show:

1 a first embodiment of the mounting device in the form of a tripod arrangement for interception rod heights up to about 6m;

2a a detailed view of a fastening of the interception rod in the head of the receiving tube as a section;

2 B a guide bush with lateral clamping screw for variable length adjustment of the interception rod in section;

3 a detailed view of one end of the hollow profile of the tripod arrangement with recognizable vertical bolt for receiving one or more weighting bases, preferably via wedge technology, and an indicated terminal for the electrical connection of the lightning conductor wire;

4 a schematic representation of the device for mounting in the form of a tripod with telescopic base enlargement and additional rope bracing for heights up to essentially 8.5m;

5a a sectional view of the attachment of the interception rod in the head of the receiving tube via a thread with lock nut and additional pinning as protection against rotation, including a view of the rope bracing in the head region of the receiving tube;

5b an embodiment of the guide bush with clamping screw for variable length adjustment of the interception rod including view of the rope guy on the head region of the receiving tube;

6 a detailed view of an additional guy, preferably six times for larger heights using turnbuckles, the hexagon screw shown is fixed the telescopically extended part of the base according to detail X;

7 a representation of an additional possibility of extending the stand as a larger edition, with the additional stand on the bolt can be plugged on, so that depending on the spatial conditions, pivoting is possible, including a detailed view X, which reveals a compression fitting by means of a hexagon screw;

8a an embodiment for the height variance using a U-shaped additional part with an elongated hole for receiving a respective hollow profile end of the tripod arrangement and

8b an embodiment analogous to the illustration 8a with indicated different angular positions, in order to adjust the position of the weighting base to different roof pitches in addition to height adjustability.

In the in the 1 and 4 shown representation of the device for holding at least one lightning rod is assumed to be a tripod arrangement, each leg 1 is formed by a hollow profile, for example a square profile.

At the intersection of the legs 1 there is a guide bush 2 that of attaching a receiving tube 3 serves. In the receiving tube 3 is then the actual catch rod 4 held.

The ends of the legs 1 include vertically up and down bolts 5 ,

The diameter of the bolt 5 is on the embodiment of a receiving opening 6 a standard weighting base 7 Voted.

Because the bolts 5 can extend up and down, such as from 3 or 7 evident, a stacking arrangement of several weighting sockets at the favorable lever end of the respective leg 1 be attached.

The length of the bolt 5 corresponds to the height of one to n weighting bases 7 ,

At a preferably upper end of at least one bolt 5 is a clamp 8th for the drain wire 9 appropriate. Alternatively, in a corresponding recess in the weighting base 7 the drain wire 9 using a standard wedge 10 (not shown) electrically and mechanically in press connection to the bolt 5 brought, which simplifies assembly and helps reduce costs.

The guide bush located at the intersection of the leg assembly 2 can be connected to the respective leg ends by welding and threaded holes for receiving clamping screws 11 include.

With the help of the clamping screws 11 in the guide bush 2 can then have a lower end of the receiving tube 3 be attached.

Bolts 5 are made using a wedge-clamp connection with the help of a standard wedge 10 in the respective opening 6 of the weighting base 7 held. The wedge-clamp connection absorbs much greater forces than is the case with a snap holder in the prior art, and standard weighting bases can also be used, which are also used to fasten short interception rods or arrester lines.

In addition to the variant with clamping screws 11 in the guide bush 2 there is the possibility of a plug-in, snap-in or threaded connection for the receiving tube 3 provided.

4 makes it clear that the hollow profile of the leg assembly from telescopically movable elements 12 consists. In the example shown there is an inner element 12 picked up by an external element and with a clamping screw according to detail X 6 held in its desired length.

Regarding the telescopic arrangement of the elements 12 be in addition to 6 referenced, in addition in the clamping area a holding plate 13 for guy ropes 14 includes. The guy ropes 14 can in a manner known per se via turnbuckles 15 be biased.

Not shown in the drawing a stand extension consisting of a further hollow profile part, which includes a vertically extending bolt at both ends. On Connection-weighting socket has two spaced apart in this case receiving openings both for fixing the respective end of the hollow profile of the leg arrangement as well as one end of the stand extension. Both bolts can be used of the explained Wedge clamp connection to be fixed on the connection weighting base.

The stand extension according to 7 consists of a hollow section 16 which has a through hole at one end 17 (see detail X according to 7 ).

The through hole 17 then serves to hold one of the vertically extending bolts 5 the leg arrangement, in such a way that the hollow profile part 16 the stand extension can be pivoted around the pin axis, as in 7 is indicated.

The hollow profile part 16 the base extension has, according to the basic idea of the invention, on the through hole 17 at the opposite end there is also a vertically extending bolt, for example cohesively attached 5 for the inclusion of one or more weighting bases 7 ,

Furthermore, the hollow profile part comprises 16 a clamping screw 18 for holding the in the through hole 17 recorded end of the respective bolt 5 ,

For a height adjustment or also for the purpose of compensating for different roof pitches, an embodiment for receiving a leg is 1 or a hollow profile part according to the 8a and 8b intended.

Such a base end or extension part 19 includes a bolt 20 to establish the connection with at least one weighting base 7 and one in the longitudinal direction of the Bolt-extending, preferably U-shaped leg 21 ,

In the U-shaped leg 21 is an elongated hole in the embodiment shown 22 available. With the help of the elongated hole 22 can adjust the height and thus the height of the position of the respective weighting base 7 take place or an angle adjustment according to 8b be made to compensate for different roof pitches.

A bolt-free end of an element 12 the telescopic arrangement or a correspondingly modified leg of the device is then from the U-shaped leg 21 recorded and by a screw connection 23 fixed.

For stability reasons, the U-shaped leg is 21 formed so that the longer leg sections the corresponding element 12 reach around on the outside.

2a shows an exemplary executed upper end of the receiving tube 3 with a recording head 24 ,

According to 2a has the recording head 24 an internal thread that leads to an external thread 25 one end of the interception rod 4 is complementary. A lock nut 26 prevents unwanted loosening of the interception rod from the threaded connection. A pinning 27 holds the recording head 24 in the receiving tube 3 ,

In the alternative embodiment of the recording head 24 to 2 B is a side clamping screw 28 present that both the recording head 24 in the receiving tube 3 fixed as well as the inserted interception rod 4 holds, with the additional possibility of a height adjustment of the latter.

The recording head 24 can according to the 5a and 5b with a holding plate 29 for the guy ropes 14 communicate or include such a part integrally.

The guying can depend on the length, as in 4 shown, are carried out over three tethers, but also over six tethers, in the latter case a holding plate 13 to 6 is used.

1

leg the mounting device

2

guide bush

3

receiving tube

4

lightning rod

5

bolt

6

Opening in the Beschwerungssockel

7

Beschwerungssockel

8th

clamp for drain wire

9

Ableiterdraht

10

Standard Wedge

11

clamping screw in the guide bush

12

elements the telescopic arrangement of the mounting device

13

Retaining plate for guy ropes

14

guy wires

15

turnbuckle

16

Hollow profile part the stand extension

17

Through Hole on the hollow section of the base extension

18

clamping screw for holding the in the through hole of the

Hollow profile part received bolt

19

Standend- or -verlängerungsteil

20

bolt at the base end or extension part

21

U-shaped leg

22

Long hole in the U-shaped leg

23

screw on the thigh

24

Up head

25

external thread the interception rod

26

locknut

27

pinning

28

lateral Clamping screw for Up head

29

upper Holding plate for Wire ropes

Claims (23)

Device for holding at least one lightning rod object to be protected on a flat roof or the like, comprising an Three- to n-leg arrangement, which can be detached with a weighting base Connection is made, the safety rod at the intersection of the leg arrangement is attached, and the weighting base has at least one receiving opening, characterized in that the Leg assembly consists of an electrically conductive hollow profile and a guide bush at the intersection for a Interception rod support tube is provided, at the intersection End of the respective hollow profile is essentially vertical Bolt is located, being about the bolt a force and / or positive Connection to at least one of the weighting bases is established. Device according to claim 1, characterized ge indicates that the bolts each extend vertically upwards and downwards and are of such a length that a plurality of weighting bases can be received by each bolt in the form of a stacked arrangement. Device according to claim 1 or 2, characterized in that that at Attachment means for the arrester wire can be attached to at least one upper bolt end are. Device according to one of the preceding claims, characterized characterized that the Bolt over a wedge clamp connection fixed in the respective receiving opening are. Device according to one of the preceding claims, characterized characterized that the guide bush has a plug-in, snap-in or threaded connection for the receiving tube. Apparatus according to claim 5, characterized in that the guide bush includes an internal thread, which is complementary to a corresponding external thread is formed at one end of the receiving tube. Device according to one of the preceding claims, characterized characterized that the Hollow profile of the leg assembly from a telescope training consists of at least two elements that can be moved into one another, their desired end position via clamping or locking means can be fixed. Device according to one of the preceding claims, characterized characterized that a stand extension each consists of a further hollow profile part, which on both Ends includes a vertically extending bolt, with a connection-weighting base two spaced receiving openings both for fixing the respective end of the hollow profile of the leg assembly as also one end of the stand extension having. Apparatus according to claim 8, characterized in that this free end of the respective base extension with the one located there Bolt with at least one additional weight base in a force-fitting and / or form-fitting manner Connection is established. Device according to one of claims 1 to 7, characterized in that that a stand extension each consists of a further hollow profile part, which on a End of a through hole for receiving a vertical bolt the leg arrangement and at the other end a vertical one Bolt for has additional weight bases. Apparatus according to claim 10, characterized in that a Clamping screw to hold the one received in the through hole End of each bolt and the stand extension is pivotable about the axis of the respective bolt. Device according to one of claims 1 to 7, characterized in that the existence Standend- or -verlängerungsteil from a bolt to connect to at least one Weighting base and one extending in the longitudinal direction of the bolt There is leg, with several spaced mounting holes in the leg or an elongated hole are / is to be adjustable in height and / or angle to record one end of a hollow profile of the leg assembly. Device according to claims 7 and 12, characterized in that the existence Bolt-free end of the telescopic assembly received by the leg is. Device according to claim 12 or 13, characterized in that that the Leg has a U-shape and the respective end of the hollow profile externally embraces. Device according to claim 14, characterized in that this respective end of the hollow profile over a bolt is releasably connected to the leg. Device according to one of the preceding claims, characterized characterized in that on the hollow profile Means for attaching a guy line are provided for longer interception rods are. Apparatus according to claim 16, characterized in that the Guy ropes and turnbuckles includes. Device according to one of the preceding claims, characterized characterized that the receiving tube made in one or more parts is. Device according to one of the preceding claims, characterized characterized that in the upper A receiving head is formed at the end of the receiving tube. Device according to claim 19, characterized in that the Recording head an internal thread for has a rod end with a complementary external thread. Device according to claim 20, characterized ge indicates that the recording head is secured in the recording tube by means of a pin connection. Device according to claim 19, characterized in that the Pick-up head as a guide bush for the Interception rod end is formed and at least one clamping screw having. Device according to claim 19, characterized in that on upper end of the mounting head a holding plate for a rope bracing or the recording head is an integral holding plate includes.