Movable bridge laying device

Claim 2

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge.

Claim 3

A device according to claim 1, in which said supports are formed by simple supporting pipes operatively connected, and which includes guiding pipes for guiding said supporting pipes, said guiding pipes being operatively mounted at said transverse beam.

Claim 4

A device according to claim 1, which includes supporting shield means pivotally connected to the front side of the laying vehicle, and which also includes two anchor plates connected to said shield means, said anchor plates including a top side and outwardly protruding securing nails, said securing nails being easily exchangeably connected to said anchor plates, the top side of said anchor plates being provided with means for connection to the bridge end at the bank to which the bridge is to be anchored.

Claim 5

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports togetHer with said transverse beam forming a structural unit detachably connected to said bridge, an intermediate member for connecting one bridge half only to the advanced end of a finish-laid bridge, said intermediate member being connected to the coupling side of the bridge half, said intermediate member being provided with a protrusion, and in which the front end of the bridge below the bridge roadway is provided with a transverse beam having a supporting surface, said protrusion being adapted to rest on said supporting surface, locking means being provided on said supporting surface.

Claim 6

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports togetHer with said transverse beam forming a structural unit detachably connected to said bridge, an intermediate member for connecting one bridge half only to the advanced end of a finish-laid bridge, said intermediate member being connected to the coupling side of the bridge half, said intermediate member being provided with a protrusion, and in which the front end of the bridge below the bridge roadway is provided with a transverse beam having a supporting surface, said protrusion being adapted to rest on said supporting surface, locking means being provided on said supporting surface.

Claim 7

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, foot plates pivotally connected to said supports, cable means connected to said foot plates outside their pivotal connection with said supports, and winding-up roller means arranged on said transverse beam for selectively winding up said cable means.

Claim 8

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, foot plates pivotally connected to said supports, cable means connected to said foot plates outside their pivotal connection with said supports, and winding-up roller means arranged on said transverse beam for selectively winding up said cable means.

Claim 9

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports having operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, said supports being formed by simple supporting pipes, and guiding pipes operatively connected for guiding said supporting pipes, said guiding pipes being operatively mounted at said transverse beam, supporting ring means respectively surrounding one support each in spaced relationship thereto and axially below said guiding pipe.

Claim 10

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports having operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, said supports being formed by simple supporting pipes, and guiding pipes operatively connected for guiding said supporting pipes, said guiding pipes being operatively mounted at said transverse beam, supporting ring means respectively surrounding one support each in spaced relationship thereto and axially below said guiding pipe.

Claim 11

A device according to claim 6, which includes hydraulic cylinder means, and in which said supporting ring means is coupled to said guiding pipe through said hydraulic lifting cylinder means.

Claim 12

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said brige beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, said supports being formed by simple supporting pipes, and guiding pipes operatively connected for guiding said supporting pipes, said guiding pipes being operatively mounted at said transverse beam, a separate device for selectively lifting and lowering in a climbing manner the front bridge end on said supporting pipes when the latter engage the bottom of the obstacle to be bridged for aligning the advanced bridge, and means for arresting said last mentioned dev ce relative to said support.

Claim 13

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said brige beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, said supports being formed by simple supporting pipes, and guiding pipes operatively connected for guiding said supporting pipes, said guiding pipes being operatively mounted at said transverse beam, a separate device for selectively lifting and lowering in a climbing manner the front bridge end on said supporting pipes when the latter engage the bottom of the obstacle to be bridged for aligning the advanced bridge, and means for arresting said last mentioned dev ce relative to said support.

Claim 14

A device according to claim 8, in which said separate device includes locking bolts respectively which are hydraulically operable and are located on the outside bolt on said guiding pipe and also on supporting ring means respectively and which includes strip means extending over the entire length of said supports and provided with recesses for receiving said locking bolts.

Claim 15

A device according to claim 9, in which the movements of said locking bolts are so coupled that in response to the lifting of the front bridge end the locking bolts of the supporting ring means respectively engage one of the recesses of the supports and the locking bolts of the guiding pipe respectively disengage said supports.

Claim 16

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge means forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, pivotable cylinder means pivotally connected to the bottom side of said transverse beam and to the bottom side of said bridge beams for additionally bracing the transverse beam to the front end of said bridge, and an automatically operable levelling device, said pivotable cylinder means being connected to said levelling device for vertically aligning said supports during the placing of the bridge.

Claim 17

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge means forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, pivotable cylinder means pivotally connected to the bottom side of said transverse beam and to the bottom side of said bridge beams for additionally bracing the transverse beam to the front end of said bridge, and an automatically operable levelling device, said pivotable cylinder means being connected to said levelling device for vertically aligning said supports during the placing of the bridge.

Claim 18

A device according to claim 11, in which said levelling device includes means for horizontally aligning said bridge roadway.

Claim 19

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, a hydraulic supply unit and also lifting cylinder means adapted to be supplied with operating fluid from said supply unit, said lifting cylinder means being arranged within the region of the supporting unit formed by said supports and said transverse beam.

Claim 20

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can be advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adjacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, a hydraulic supply unit and also lifting cylinder means adapted to be supplied with operating fluid from said supply unit, said lifting cylinder means being arranged within the region of the supporting unit formed by said supports and said transverse beam.

Claim 21

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can e advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adJacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, a telescopically extensible laying device extensible in the direction in which the bridge is advanced, the front telescopic beam of said last mentioned laying device being equipped with supporting means pivotable downwardly and adapted to be placed upon the ground of the obstacle to be bridged, said supporting means in pivoted out position being telescopically movable outwardly, and arresting means for arresting said supporting means when being placed onto the ground.

Claim 22

A bridge laying device which comprises: a vehicle, a bridge having a plurality of bridge sections, a laying device by means of which the bridge can e advanced and deposited into its position of use, said bridge having its front end provided with supports which are adapted to be placed on the ground of the obstacle to be bridged, bridge beams forming roadways, said supports being mounted at the front end of said bridge on the outside adJacent said bridge beams, and a transverse beam operatively connected for supporting additional bridge sections independently of said bridge, said transverse beam being linked to the front end of said bridge below said roadways, said supports being operatively mounted on said transverse beam, said supports together with said transverse beam forming a structural unit detachably connected to said bridge, a telescopically extensible laying device extensible in the direction in which the bridge is advanced, the front telescopic beam of said last mentioned laying device being equipped with supporting means pivotable downwardly and adapted to be placed upon the ground of the obstacle to be bridged, said supporting means in pivoted out position being telescopically movable outwardly, and arresting means for arresting said supporting means when being placed onto the ground.

Claim 23

A device according to claim 14, which includes pawl means operable to arrest the outwardly movable portion of said supporting means, strip means provided with openings and extending over the length of said supporting means pertaining to said telescopic laying device, and in which said pawl means includes a plurality of spring-urged pawls operable automatically to engage said openings.

Claim 24

A device according to claim 14, which includes supports at the front end of the bridge below said bridge beams, said last mentioned supports being pivotable downwardly, said supports including a plurality of supporting pipes telescopically arranged one within the other, the uppermost supporting pipe of said supporting pipes telescopically placed one within the other being provided with supporting surface means for the front bridge end and the adjacent further bridge portion, said supporting surface means together with said supports being detachably connected to the bridge.

Claim 25

A device according to claim 16, in which said supports include three supporting pipes telescopically arranged one within the other, and which comprises a mechanical locking system for locking the outermost supporting pipe to said intermediate supporting pipe, and also includes a hydraulic locking system for locking said intermediate supporting pipe to said innermost supporting pipe.

Claim 26

A device according to claim 17, which includes a strip provided with openings and extending over the length of said outermost supporting pipe, and in which said mechanical locking system comprises two pawls arranged at the upper end of said intermediate supporting pipe in upright position of the latter, said pawls being adapted to engage said openings of said last mentioned strip.

Claim 27

A device according to claim 18, which includes cable means and winch means for cooperation with said cable means and operable from said vehicle, and in which said outermost supporting pipe is provided with openings adapted to be engaged by said pawls for locking said outwardly moved intermediate supporting pipe.

Claim 28

A device according to claim 16, which includes fluid operable locking means operable to lock said supporting pipes, said fluid operable locking means comprising a lifting cylinder arranged within said intermediate and said innermost supporting pipes, conduit means and a supply unit for supplying fluid through said conduit means to said lifting cylinder.