DE6927637U - DEVICE FOR SECURING TRENCH PRESSINGS - Google Patents

Description

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Hans gledtggnn _v Baael (Switzerland) Provision for securing ditch cracks

The innovation relates to a device for securing trench openings _? for installation anrißshen jrtjoi opposing spreader elements arranged on the walls of a ditch with a straight piece of pipe «. that by twisting one

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with the same ^ coupled to a threaded portion is "orneten Flutter in sighting its longitudinal axis while changing the overall length of the device is slidably ₀

The _s known so far to secure trenches Spriessungen used have ₉ as experience has taught _t © inen considerable Kachteil to _0. If in fact such a Spriese by Äbsohwinden of wood or yield to the adjacent soil relieved ₉ he lockert- inevitably and may fall ο therefore he can no longer his support alarm clock function is fulfilled and the trench can collapse or falling Spriess endanger the workers., Since the Abschwinden the Spriess "woods by drying etc ₀ and the yielding of the soil are unavoidable, such disturbances coming back voi? _O

Gemäßs the present innovation of this disadvantage is eliminated in that the device min »least a tensioned by the rotation of said elastic element comprises butter _s ÖAS the whole apparatus under a constant? axially directed bias holds, - wherein kept smaller than the allowed by the elastic member Varsehiebeweg of said tube ~ piece by a fixed stop iet _T than the Haximalhub of the elastic member, to thereby also larger Spriesskräfte can be transmitted.

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In a preferred Ausführungefora the elaetisehe element iat a coil spring ₀ Here, in the said pipe section from one side of a with a butter provided spindle _F protrudes from the opposite Seit® a guide rod ₉ and the nut outside the Eohres is arranged on the spindle and a larger outer diameter as the tube and at the end of the tube opposite the hitter a spring plate is arranged to support the speakers, the geese of the kind; that arranged between the spring plate and the foot plate boizenseitigen coil spring upon actuation of the opposite end of Eohres attacking butter due to the consequent Acbsialverschiebung of the tube clamped _c In the accompanying drawings, some embodiments of the Anmcldungsgegenetandes veran "ßChaullcäto

? ig, 1 is © in a vertical section through a grouted ditch,

Figo 2 is a plan view of the injection according to S ¹ Ig ₀ 1 and the

? igo 3 to 6 aeigen sw © i different execution foraen the device used to secure the sprinkling,

Figs. 1 and 2 show a trench _s thereof

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1 and 2 by horizontally running |! Skewer boards 3 clad © + are, in front of the Sprleae-

brott @ rE 3 are vertically arranged at a mutual distance in their entirety nit

5 b © s @ i®Sia © t © device «to secure the ditch« spray supports see with snipping plates 6 and 7 g @ g © n the ganthSise? M and preset this _t under the influence of a tensioning device 8 _Ϋ against the boards | 1 3 «Si © execution of the device 5 is now sm & ehst described using d @ s> * 'ig <, 3 and 4> ₀

Up device has a sylindrie @ hen

[Solsen 9, who has a cheese platter at one end

1O ₉ at its other end has a door band 11 "on its left _s the ITuespXatte 10 banaohbaren Ab" The bolt is cut from a helical spring 12

which is supported on the one hand against the footplate XO _r on the other hand against a spring plate 15. The spring plate 13 is provided and has a peripheral rotation 14 for centering the spring 12

SO on s © in @? opposite side a recess on _v w @ l @ he served as a centering for the left edge section of a tube 16

The bolt 9 protrudes into the tube 16 from the right. from the left a © spindle 17 "On the outside of the Koh ~ res 16 b © findlioh © m part of the spindle is a

Hatter IB ₅ while the inside as "pipes" lying ßplndoXsnde a Führungebuna 19 "dae gegenftberlleg @ n <" de Kiad® a Ftaaeplrtrte aüfweiat 20 ₀ The cutter 18 is on the side of the tube 16 eehen ver with a collar 21 which in ~ _e the tube 16 protrudes and the nut eentriert in amount on the same, per actual

star body 18 let? on grueaerean Puroh & eeeer ala dae

»Toy! or Tube 16 and tfelat seldom easier actuation / several on wings 22 arranged on its circumference, or in place of those

If the device described is to be used to secure a trench section, it is pushed into the trench so that the footplates 10 and 20 support a square timber 4 arranged on the trench walls against each other (see also Figs. ₀ 1 and 2 ) ο Buroh putting on the hatch 18, the tube 16 is moved in the direction of the Fueaplatte 10; where "j by pressing on the spring 12 and thus the preparation"

pressure dar? ueeplatten 10 and £ 0 on the EanthUlsem 4 SO sunimint ₀ With increasing rotation of the cutter 16, the helical spring 12 is thus compressed * so that the device is under constant tension the footplates 10 and 20 as a result of the helical spring 12 »elbatt & tig in constant pressure»

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contact with the surfaces of the KanthÖlser g * - keep,,

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Spriesalcrttfte to be able to transfer, lit a stop ring 25 is attached to the bolt 9 «, through. this King becomes the verse slat path of the Robree 16 on a certain maximum amount is determined,

Sin further AuefUhrungebeispiel show the 3? Igc 5 and 6 ₉ wherein again in S ¹ ₄ 5 Ig and 1-ge "selected for the afflicted with the same functional parts used Bösugssisishen wurfiön ₀

Also here is a pipe 16 provided? the "wipe SWEi ^ ussplattan 10 and 20 elastically tensioned let" Instead dee in i'Ig _c $ and illustrated Bolsens 9 4 here, however at the? ueaplatte 10 a relatively Kurser Pührungesapfen 52 befeetlgt ^, whose diameter is about the XaaendurehmQsaer of Eohroe 16 corresponds to ₀ The tube 16 HsI ¹ S) St is lengthened to the extent that its foremost section slightly overlaps the stumpy, somewhat conically tapered zapion p2 «, Bi @ spring 12 _% which surrounds the drill 16f 3 $ is on the one hand against the foot "platt® 10 _v other hand against a aagesclmeissten at Sohr 16 spring plate 2 ^ _c the? eder iS is surrounded by a housing 25 sylindrleohen _{the © laßr-hand at the Fu" plate angesohtfeisst 10 _(lst at its other I'ade

a Ctewindekapp® 26 wears _o tetstese cries a central «buhrung on _f you? oh what © the axially" movable hob? 2.6 mouth throat "

When your mother presses it, 16 I’m sweetie one? Voltage of the device is also moved counter dan tube 16 in? Fei3Lricfotung (Figure 6 ₀₎ ^ wherein dae ▼ ordere pipe end of the pin 32 is guided "Equilateral presses the! Thread divider 24 the Fedur

: so that the device is under when the cutter is operated

a constantly growing tension _{device 0} Ber tsaxisml ·

of the Eobree 16 let with this one

form then reached the free end of the drill hole against the pue plate XO

Oils device can be by more or less strong bine-reaming of the cap 26 from the beginning a certain ^ selectable bias can be set *

In the exemplary embodiment described above, the spring plate 24 is old dam the tube 16 through a welded seam 2? (S ¹ Ig ₀ 6) rigidly connected, but it would also be a good idea to push the risgfSrsigen spring plate 24 onto the tube 16 and secure it with a pin crossing the drill 16. This pin then had to be between the spring plate 24 and the inner wall of the threaded cap be arranged _c

Instead of the coil spring 12 could without

Another sellers also springs or elements from another elastic material such as rubber _{s a} built w © _e räen

Also, a one-piece tube 16 could be used SWEi koasial nested tubes ^, as indicated in Pig _o 1 is ₀ provided in this? All was © the inner pipe 16a having d in mutual spaced Loehpaaren 28 ^ to Stella while the Auseen? = * pipe 16b has a threaded portion 23 and 5wei parallel * AEIA ~ astral opposing Schlitee 30 _o a bolt ^ l projects through a pair of holes 28 of the Innenroh- from and dur @ h the Sehlitae 30 of Aus8enrohres _c on the d @ üind @ t @il 29 through. Rotation of the axially displaceable hatch 18 takes the bolt 31 with it at its protruding ends and thus presses the inner tube to the right

Claims (8)

Protection requirements: 1. Device for securing ditch cracks which! 5vrisohe | a. Two opposite one another, on the wall of a ditch arranged Sprießalementen is to be installed and at least one straight piece of pipe, which duroh twisting a with the same coupled nut, arranged on a threaded part, in alignment of its longitudinal axis with change the total length of the device is displaceable, daduroh characterized in that the device has at least one elastic element which can be tensioned by rotating the nut (18) and which covers the entire Device under constant, axially straightened prestress holds; wherein the elastic element made possible the displacement path of the pipe piece (16) duroh stationary stop (23) is kept smaller than the maximum stroke of the elastic element « 2. Device according to Anspruoh 1, daduroh characterized in that the elastic element is a helical spring (12). 3. Device-according to Anspruoh 1 or 2, daduroh characterized, that in the pipe section (16) from one side a spindle (17) provided with a nut (18) »from the opposite side Ssits sis! Guide rod (9, 11) protrude, with the nut outside the pipe section on the spindle and a larger outer diameter than that Has tube and at the end of the tube opposite the nut a spring plate (13) supporting the spring (12) is arranged so that the between the spring plate and the screw spring arranged on the bolt-side footplate (10) (12) when the nut acting on the opposite end of the tube is actuated due to the resulting Axial displacement of the pipe tensions. 4 · Device according to © inem or several of the claims characterized in that the stop is on the des FtürrungBBtauea (9) Fixed ring (25) iot (fig 5 and 4) 5 × device naoh one or more of claims 1 to 3 »gekennzeiohnet characterized in that the Hihrungeetab" la pipe is designed (16) in one end of a coaxial ₆ & a footplate n (10) mounted guide pin (32) protrudes, so that sioh pushes the tube (16) over the guide pin and against the base plate (10) when the device is tensioned. 6 · Device according to claim 5 »because the The helical spring (12) and the guide pin (32) in one the base plate (10) attached housing (25) housed are, which is closed at its end facing away from the footplate by a threaded cap (26), with the Tube (16) inside the housing a spring plate (24) is arranged (fig · 5 and 6). 7 device according to claim 6, characterized in that the each divider (24) is rigidly connected to the pipe (16), for example, is welded to this (Pig. 6). 8. Apparatus according to claim 6, characterized in that the spring plate (24) is pushed loosely onto the tube (16) and on the side of the threaded tab (26) by a the mandrel crossing the pipe is locked 9 · Device according to claim 1, characterized in that it has two tube tubes (16a, 16b) which can be displaced telescopically against one another, the inner tube piece (16a a number of pairs of loops (28) arranged at a mutual axial distance from one another, the outer pipe section (16b) External threads (29) and two parallel ztir tube axis extending, ^T in the 180 ^Q radially staggered parallel slots (30), so that the inner tube piece under the influence of a displaceable on the thread of the outer tube piece nut (18) and a loohpaar by the inner Rohrstüokes and the two slots of the outer Rohrstüokes hindurohragendan driving pin (31) relative to the outer Rohrstüok is displaceable (Pig. 1 and 2)