Device for cross-docking floating railway bridge

 

The invention relates to the field of construction of pontoon bridges used for the passage of railway rolling stock and, in particular, is intended for cross-docking. The device contains a symmetric axis of the bridge, at least two anchoring devices, each of which includes pontoon, consisting of self-propelled sections of the pontoons are installed parallel to each other, and transverse beams, cargo drive winch cable sheave pulleys, consisting of a fixed and a movable casing around it with a cable, a device for fastening flexible rods, at least two bottom anchor, flexible rod. What's new is that the pontoon each of the anchoring devices consists of a number of non-powered bow and stern of the external and internal sections of the pontoons rigidly interconnected in pairs in transverse and longitudinal directions, and the bow of the boat exterior partitions are on the same level, and the bow transom inner section is displaced relative to the bow transom outer sections, and the pontoon is equipped with rigidly attached to the respective sections of the pontoons support structure on which is rigidly fixed to the cargo units and support the re, of two sections pivotally interconnected, each section is made of parallel beams, rigidly fixed in the transverse direction between itself and represents the skating path for a mobile holder of the polyspast made in the form of a carriage installed with the possibility of longitudinal movement along the guide and with the possibility of fixing, fixed yoke sheave pulleys includes horizontal and vertical blocks are fixedly mounted on the guide with one end of the guide mounted on the support table, its middle part is rigidly mounted on a support mounted on the cross beam pontoon, and its other end attached to the device for fastening flexible rods. The technical result of the invention is the enhancement of technological and operational capabilities of the device cross-docking bridge. 7 Il.

The invention relates to the field of construction of pontoon bridges (NGM), used for the passage of railway rolling stock and, in particular, is intended for cross-docking.

The closest technical solution is a device for cross-docking N the s includes pontoon, consisting of two non-powered sections are installed parallel to each other, pontoons, winch cable, the variable geometry mechanism consisting of a fixed and a movable casing around it with a cable, a device for fastening flexible rods, two bottom anchor, each of which represents a concrete anchor-suction, flexible rod (see, for example, FLOATING RAILWAY BRIDGE NGM-56. Addition to a technical description and instructions for installation, transportation, storage and operation. The Federal service of railway troops of the Russian Federation. - M.: Military publishing house, 1997, S. 6-7, Fig. 1.2, S. 23-35, Fig.3.2, S. 26).

The technical result is the expansion of technological and operational capabilities of the device cross-docking bridge.

The technical result is achieved in that the device for transverse fixation floating railway bridge containing symmetric with the axis of the axle, at least two anchoring devices, each of which includes pontoon, consisting of self-propelled sections of the pontoons are installed parallel to each other, and transverse beams, cargo drive winch cable sheave pulleys, consisting of a fixed and a movable clamps, rope around it, scout each of the anchoring devices consists of a number of non-powered bow and stern of the external and internal sections of the pontoons, rigidly interconnected in pairs in transverse and longitudinal directions, and the bow of the boat exterior partitions are on the same level, and the bow transom inner section is displaced relative to the bow transom outer sections, and the pontoon is equipped with rigidly attached to the respective sections of the pontoons support structure on which is rigidly fixed to the cargo units and the supporting table, and an inclined guide placed along the longitudinal symmetry axis of the pontoon, comprising at least two sections pivotally interconnected, each section is made of parallel beams, rigidly fixed in the transverse direction between and represents the skating path for a mobile holder of the polyspast made in the form of a carriage installed with the possibility of longitudinal movement along the guide and with the possibility of fixing, fixed yoke sheave pulleys includes horizontal and vertical blocks are fixedly mounted on the guide with one end of the guide mounted on the support table, its middle part is rigidly mounted on a support mounted on the cross beam of the pontoon, and its other end attached to the device mount is for cross docking;

- Fig.2 - General view of the anchoring device located upstream from the bridge (the horse cornice);

- Fig.3 is a General view of the anchoring device located downstream from the bridge (downstream of cornice);

- Fig.4 is a view of the anchor device of cornice top,

- Fig.5 shows the movable block of the polyspast (cart);

- Fig.6 - device for fastening flexible rods;

- Fig.7 is a diagram Spasovka of the winch cable.

Device for cross-docking floating railway bridge contains at least two anchoring devices are cornice: upper 1 and lower 2 installed symmetrically to the axis of the railway superstructure of the bridge respectively with the upper and lower sides, bottom anchor, made in the form of concrete anchors-3 suctions, flexible rod, including traction 4 cable that transmits a transverse horizontal force from NGM anchor-sucker 3, 5 connecting cable used with dual anchor handling-suctions 3, anchor chain 6 and the side ropes 7 floating bridge (Fig.1). Each of atornic 1, 2 contains the pontoon, including self-propelled nose 8 and 9 aft sections of the pontoons, the variable geometry mechanism consisting of two magazines, stationary, including 10 horizontal and ver is alinia flexible rods: anchor chains 6 and sides 7 cables, rigidly mounted on stringing corners of the corresponding section of the pontoon (Fig.2).

Pontoon horse 1 of cornice, for example, consists of six self-propelled sections of pontoon: three nasal 8 and three aft 9 connected in pairs in the longitudinal direction of the side and bottom coupling devices (not shown) and installed in parallel to each other, and the bow of the boat exterior partitions are on the same level, and the bow transom inner sections, respectively, offset them by a certain distance. Each of the nasal 8 sections are oriented against the flow (Fig.2).

Pontoon grassroots 2 cornice consists of six self-propelled sections of pontoon: four nasal 8, of which two internal interconnected in the longitudinal direction of the stern transom, and two aft 9, connected in pairs to the longitudinal direction of the external nasal 8 sections (Fig.3).

In the transverse direction between a section of the pontoons fixed at the top with at least five pairs of transverse beams 15, each pair of which are connected together by four ligaments, 16. Transverse beams 15 are rigidly attached to stringenum corners of the sections of the pontoons by means of the fastening elements, such as toroi hard drive installed cargo winch 13 (Fig.4).

To stringenum corners of the sections of the pontoons by means of fasteners, such as bolts (not shown) attached supporting structure 18, which is rigidly fixed cargo blocks 19 with two technological platforms 20 for their service, the supporting table 21 (Fig.2-4).

Pontoon is equipped with a guide 22, is placed along the longitudinal axis of symmetry of the pontoon and installed inclined, and the angle of inclination corresponds to a valid operational. Guide 22 consists of two equal sections, pivotally connected to each other. Each section is made of two parallel, for example I-beams rigidly interconnected at their upper shelves with a certain step is welded to the number of locking elements, such as strips 23 (Fig.4). Guide 22 is a skating path for a mobile holder of the polyspast made in the form of the carriage 12 and is installed with the possibility of longitudinal movement on it. The carriage 12 consists of a welded casing 24 within which there are three horizontal axis: two extreme 25 and average 26 on each of the end 25 of the axes mounted rollers 27 through which it moves along the guide 22. For fixation of the carriage 12 on neprestanno on each of the three axes. On average 26 axis symmetrically outside the housing 24 mounted rollers 29. Fixed yoke sheave pulleys 10 includes the horizontal and vertical 11 blocks are fixedly mounted on the rail 22 (Fig.5).

One end of guide 22 is fixed on the supporting table 21, the middle part is rigidly mounted on a support 30 mounted on the cross beam 31 and at the other end it is rigidly attached to the device 14 for fastening flexible rods.

The device 14 for fastening flexible rods made in the form of a beam consisting of a box-section beams 32, on the outer surface of which is welded to the number of lugs 33 for fixing them accordingly anchor chains 6, and two braces 34, and one end of each of the braces 34 rigidly attached to the flange 35, rigidly fixed by bolts (not shown) to the guide 22, and the other welded to the gussets 36, each of which is rigidly attached to the corresponding end of the beam 32 of the bar. On each of the gussets 36 are made hole 37 for mounting therein one end side of the cable 7 fixing floating bridge (Fig.6).

To secure the anchor-sucker 3 on cornice use cargo 38 rope with a buoy 39. At anchor-the sucker 3 is rigidly fixed truck is his. Within its center fixed vertical tube (not shown) cable, for example, cargo 38.

Each of the process areas 20 with the fence is a metal frame with decking, one of which hinged metal staircase. The fence consists of rigidly fixed on the frame rack and rope edging (not shown).

The outer sections of the pontoons of the pontoon is equipped with inventory anchoring device, such as windlasses 42.

Possible embodiments of pontoon of atornic depending on the magnitude of wind and hydrodynamic loads on the floating bridge.

Device for cross-docking NIM works as follows.

The carriage 12 is moved along the guide 22 to the cargo blocks 19.

To load the loop 40 of the anchor-sucker 3 is fixed one end of a freight rope 38-buoy 39 and the free end of shift through a loading blocks 19 and is fixed to the carriage 12 by means of the fastening element, such as a finger (not shown). To the earring 41 anchor-sucker 3 is fixed one end, for example traction 4, rope.

Anchor-sucker 3 raised to the transport position by cargo drive Le>is transportirovku anchor-sucker 3 perform by means of pushers NGM attached deck coupling devices (not shown) to the pontoon.

Device for cross-docking bridge set in the design position and fix on the water by means of windlasses 42.

Then drive cargo winch 13 drop anchor-sucker 3 on the bottom, while the pawl 28 of the carriage 12 must be raised. Simultaneously venting traction 4 cable, and its free end remains on the deck. From the carriage 12 is detached end of the cargo 38 of the cable is removed from the cargo blocks 19 and is retained on the surface of the water the buoy 39.

The free end of the traction 4 cable shift through a loading blocks 19 and is fixed to the carriage 12 by means of the fastening element, such as a finger (not shown).

The movement of atornic in the direction of the bridge is possible by means of the pushers, and the movement of the horse cornice 1 may and downstream.

Device for cross-docking bridge set in the design position and fix on the water by means of windlasses 42. Traction 4 cable pull through drive cargo winches 13, while the carriage 12 is moved toward the device 14 for mounting the in bar 23 on the guide 22.

Then to the device 14 for fastening flexible rods are fixed anchor chain 6 and the side ropes 7 floating bridge, which stretched traction means respectively mounted on the floating bridge.

The proposed device for transverse fixation floating bridge will expand its technological and operational capabilities by eliminating the use of floating crane for installation of anchors-suctions and by eliminating additional devices, in the form of floats, for fixing a mobile holder of the polyspast. In addition, the proposed solution will reduce the effort needed for its installation.

Claims

Device for cross-docking floating railway bridge containing symmetric with the axis of the axle, at least two anchoring devices, each of which includes pontoon, consisting of self-propelled sections of the pontoons are installed parallel to each other, and transverse beams, cargo drive winch cable sheave pulleys, consisting of a fixed and a movable casing around it with a cable, a device for fastening flexible rods, at least two bottom anchor, x and aft outer and inner sections of the pontoons, rigidly interconnected in pairs in transverse and longitudinal directions, and the bow of the boat exterior partitions are on the same level, and the bow transom inner section is displaced relative to the bow transom outer sections, and the pontoon is equipped with rigidly attached to the respective sections of the pontoons support structure on which is rigidly fixed to the cargo units and the supporting table, and an inclined guide placed along the longitudinal symmetry axis of the pontoon, comprising at least two sections pivotally interconnected, each section is made of parallel beams, rigidly fixed in the transverse direction between and represents the skating path for a mobile holder of the polyspast made in the form of a carriage installed with the possibility of longitudinal movement along the guide and with the possibility of fixing, fixed yoke sheave pulleys includes horizontal and vertical blocks are fixedly mounted on the guide with one end of the guide mounted on the support table, its middle part is rigidly mounted on a support mounted on the cross beam of the pontoon, and its other end attached to the device to mount the

 

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