(57) Abstract:The invention relates engineering, and more particularly to bridging systems for guidance of bridges over obstacles in rough terrain and in areas of natural disasters. Malolactic provides a mechanism for laying a bridge device for coupling hydroelectricity of nastolatka with hydroelectricity bridge. The device comprises a docking hidroelektrane bridge mounted on each track bridge, and docking hidroelektrane of nastolatka installed on the stacking mechanism of the bridge. Connecting girolamini docking waterworks with a shutoff valve installed in the docking nodes articulated with the possibility of retention from the bias of the spring elements. What's new is that the building site, dock systems is fixed at a certain distance between the fork clamps coupling frame, and spring ball bearing hydraulic valves and electrical connectors are made conical, and electrical connectors are provided with a device for their mutual orientation. The technical result is to increase the reliability of systems bridge and nastolatka. 3 Il. Offer the s for guidance multispan combined bridge over obstacles in rough terrain and in areas of natural disasters.Known malolactic containing the mechanism for laying a bridge device for coupling hydroelectricity of nastolatka with hydroelectricity bridge, containing docking hidroelektrane bridge mounted on each track bridge, and docking hidroelektrane of nastolatka installed on the stacking mechanism of the bridge and connecting girolamini docking hidroelektrana with shut-off valves installed in the docking sites of the hinge, with the possibility of retention from the bias spring elements (see the Guide material and operation tank nastolatka MTU-20. - M.: Voenizdat, Moscow region, USSR, 1969, S. 16-37, 110-121).The disadvantage of nastolatka is the lack of reliability of hydraulic and electrical systems of the bridge and nastolatka, butting which can only be applied on the avlb with sliding stacking system of the bridge and cannot be used in the avlb with tiltable stacking system of the bridge. In addition, insufficient compensation of distortions of the valve elements of the connector bridge and nastolatka between them reduces the reliability of operation.Object of the invention is povyshenie and connector in the housing of the docking site on malolactic relative to the valve and connector in the receiving housing butting on the bridge, both of these buildings.The problem is solved due to the fact that malolactic containing the mechanism for laying a bridge device for coupling hydroelectricity of nastolatka with hydroelectricity bridge, containing docking hidroelektrane bridge mounted on each track bridge, and docking hidroelektrane of nastolatka installed on the stacking mechanism of the bridge, connecting girolamini docking hidroelektrana with shut-off valves installed in the docking sites of the hinge, with the possibility of retention from the bias of the spring elements, the coupling frame of the stacking mechanism is equipped with front and rear fork clamps and the body of the node coupling the hydraulic and electrical systems of nastolatka and bridge installed inside the case Manager and telescopic hydraulic cylinder drain pipe and Luggage electric cable, retractable elements are connected between a plate and provided with a spring-loaded end-to-end ball bearings with shut-off valve on the end or electrical connector respectively, while the terminal bridge section is equipped with a through-grooves with cross support wheel axles under the fork] mounted on spring-loaded ball bearing and provided with a guiding cone, moreover, the case of butting systems mounted between the clevis grips hitch frame at a distance from the front fork to capture the longitudinal axis of the steering cylinder is made equal to 0,18 - 0,22 the longitudinal distance between the front and rear grippers in the plane passing through the supporting wheel axis of the slots, the end sections of the axle, and the spring of each ball joint is made conical with a stiffness is inversely proportional to the distance from the point of swing ball joint to the point of contact of the stop valve and the guide cone response of the valve, and concentric installed along the sliding element small base on the stove, and large - ball socket, moreover, the sliding elements of the hydraulic cylinder and the drain line is made with an outside diameter equal to 1.11 - 1,13 outer diameter of the stop valve, provided with lead-in chamfer, and the plate vertically attached to the guide groove, which is made in the plane passing through the axis of the retractable elements, and is connected through a powered rod with ball support electrical connector, which is parallel to its axis fixed guide plug under the connecting rod attached to the outer powercontinuity along the length of the emphasis under the connector.Analysis of the distinctive features showed that:
housing of the docking station between the fork clamps coupling frame reduces the effect of swinging the elongated bridges on the alignment between the housing and the receiving corps site docking systems;
the displacement of the hull towards the front fork capturing by the specified amount (0,18 - 0,22), ensures the lowest possible shoulder buildup receiving corps with the axle relative to the housing for coupling the frame, and the offset is less than 0.18 necessitates the introduction of additional reinforcing coupling the frame and the end section of the bridge elements, an increase of more 0,22 not only affects the alignment of the buildings of the docking station between themselves, but also increases the angle of elevation of the deck end of the bridge section, intended for the passage of transport, which affects the operating conditions;
this form of the spring, its stiffness and installation of foundations provides increased reliability of joined valves, because in this case the force from the spring is transmitted to a ball bearing evenly spaced around the circumference without stress concentration at one point;
the specified ratio of the outer diameter of sliding elements GI is. K. performing pull-out elements of the specified diameter ensures retention of the valve body of the stop valve in the working position when the flow of operating fluid from the cylinder into the valve on the bridge and from the drain valve on the bridge to the drain pipe;
hour with a groove and a powered rod connector allows you to pre-center the massive connector in the plane passing through the axis of the sliding elements with the possibility of turning to the desired position during its contact with the lead-in cone of the connector;
the guide plug and the coupling rod help advance the precise orientation of both connectors to directly contact them through the starting cone;
the adjustable ensures the accuracy of the original before docking position of the connector in the receiving corps.The essence of the proposed nastolatka illustrated by drawings, where Fig. 1 shows a side view of the longitudinal cross section of the stacking mechanism and the end section of the axle; Fig. 2 is a top view of Fig. 1 on the mechanism of styling, its coupling frame and the end section of the axle; Fig. 3 - both of the body node docking systems at the time of coupling with the longitudinal cross-section located on the valves, hydraulic cylinder,the second frame 2, which is equipped with a pair of the front 3 and a pair of rear 4 fork clamps. The front 3 and rear 4 grips located along the longitudinal axis of the hitch frame 2 at a distance A, which is determined from the load conditions on the stacking mechanism 1.Fork grippers 4 and 3 are intended for connection with the cross support wheel axles 5, mounted in the end section 6 of the bridge, is supplied through the slots 7, made in the flooring section for the passage of the rear fork clamps 4 to the respective axes 5.Hitch frame 2 between the front 3 and rear 4 clamps installed casing 8 of the docking station and hydro - electrical bridge and nastolatka.Inside the housing 8 in the center there is the control cylinder 9 with retractable hollow element 10 (hollow shaft), on the sides of it installed telescopic drain pipe 11 with a sliding element 12 and the telescopic camera 13 with a sliding element 14 for the electric cable 15.The housing 8 mounted on the coupling frame 2 so that the distance B from the front of the grip 3 to the longitudinal axis of the hydraulic cylinder 9 is equal to 0,18 - 0,22 distance between the clamps 3 and 4 along the frame 2 in a plane passing through the supporting wheel axis 5 under the clamps 3 and 4.
the return valve 22 to the valve 19 to the hydraulic cylinder 9 and the valve 23 to the valve 19 on the drain pipe 11 and the return connector 24.The valves 22 and 23 are hydraulically linked with the corresponding hydrologically on the bridge, and the connector 24 with the electrical system of the bridge. Connector 24 is screwed in the nut 25 and hermetically mounted on ball bearing 26 fixed in the receiving body 21. The valve 22 is screwed in the nut 27 and is mounted on a through ball socket 28, fixed in the housing 21. The valve 23 is screwed into the nut 29 and is mounted on a through ball socket 30.Concentric with each sliding element 10, 12, 14 are conical spring 31, the small base on the plate 16, and a big - nut ball joint 18. This spring 31 of the valve 19 of the hydraulic cylinder 9 and the pipe 11 is made with a stiffness is inversely proportional to the distance from Cockapoo 21, 22, 23, and the connector 24.To the nut 25 of the ball bearing 26 of the connector 24 pojeta large base of the conical spring 32, the smaller base of which come pre-loaded to the housing 21.To nuts 27 and 29 of ball bearings 28 and 30 large base preloaded conical springs 33 and 34. Smaller base of the springs 33 and 34 come pre-loaded to the housing 21.The plate 16 is placed vertical strut 35 with the guide groove, which is made in the plane passing through the axis of the sliding elements 10, 12, 14.In the guiding groove "in" rack 35 has powered the rod 36, which is fixed on the nut 18 of the support 17 of the connector 20.In this same nut 18 of the connector 20 is fixed guide plug 37 in a plane parallel to the axis of the connector 20, and has an internal lead-in chamfer (conventionally not labeled), and the connector 24 of the housing 21 of the fork 37 is fixed coupling rod 38.In the housing 21 on the side opposite the rod 38 fixed adjustable stop 39, made in the form of a screw for preliminary limit position of the connector 24 in the housing 21 to the dock.Retractable element 10 of the cylinder 9 and the sliding element 12 of the pipe 11 is made with an outer diameter "D" which is equal to 1.11 - 1.13 dilermando 10 and 12 on the one hand, on the other hand gives you the opportunity to compete against a stop valve shut-off valve when the flow of the operating fluid in the hydraulic cylinder, as well as to regulate the force of the springs 31, the force from the fluid and the force developed during docking valves between them.In the initial position before docking mechanism styling 1 nastolatka with the end section 6 of the axle housing 8 and the housing 11 of the docking host closed the lid with automatic opening mechanisms (conventionally not shown). Shut-off valves 19 are closed by the shut-off bodies under the action of their springs (Fig. 3), the cylinder chamber 9 filled with the working fluid.For docking bridge and nastolatka last approaching the bridge, turning the stacking mechanism 1, directing coupling frame 2 front 3 and rear 4 fork clamps on the respective cross support wheel axis 5.Original front fork clamps 3 gear corresponding axis 5, and then start lifting mechanism 1. The bridge and its section 6 up front capture 3 axis 5 and section 6 below povorachivaetsa to position the connecting frame 2, the rear fork clamps 4 which radius And enter the appropriate axis (5) of section 6 and is locked in place to capture economy radius B (Fig. 1) and is joined to the housing Century.Due to the limited radius of B decreases the buildup of the housing 21 and at specified values of radius B is almost equal to zero.Due to the position of the housings 8 and 24 between the clamps 3 and 4 themselves casing 8 and 24 fixed to each other at the entire process of laying the bridge on malolactic or obstacle, which also increases the reliability of the hydraulic and electrical systems of the bridge and nastolatka.In the moment of joining the end section 6 of the bridge and the mechanism of its installation 1 automatic opening of the covers 8 and 24. In the hydraulic cylinder 9 is supplied fluid under operating pressure, which pushes the sliding element 10 and it rushes into the shutoff valve 19 (posted on item 10). Element 10 designates a plate 16 and with it the sliding elements 12 and 14.The valves 19 and connector 20 are at a greater basis of the springs 31, which provide them with a uniform circumference springing.When the connector 20 through the rack 35 with the slot and powered rod 36 is in the same plane with flaps 19 and the guide plug 37 pre-catches for coupling the rod 38 response connector 24 that oshodi simultaneous, more accurate (final) orientation of the connectors 20 and 24, and the shutoff valves 19 relative to the response of the valves 22 and 23. The valve 19 and the connector 20 are joined chamfers and lead-cones "b" mating connector 20 and the valves 22 and 23.As a rule, before the exact mating connectors 20 and 24 and the valves 19, 22, 23 have a small misalignment, which is eliminated during the exact dock.Eliminate this misalignment occurs at the moment of sliding connector 20 and the valves 19 chamfers "and" lead-in cone. In the connector 20 and the valves 19 are rotated on ball tip 10, the spring 25 is smoothly bent, while maintaining uniformity of its load on the nut 18.Similarly rotated reciprocal connector 24 and the valves 22 and 23 on ball bearings 26, 28, 30 and evenly spaced around the circumference podpruzhinivajushchaja conical springs 32, 33, 34.This causes the output on one axis joining pairs of connectors 20 and 24 and the valves 19, 22, 23. At the time of exit on the alignment of the valves 22 and 23 are squeezed shut authorities shut-off valve 19 that enables collaboration hydraulic systems bridge and nastolatka, and the connectors 20 and 24 provide electrical systems of nastolatka and bridge.Malolactic containing the mechanism for laying a bridge device for coupling hydroelectricity of nastolatka with hydroelectricity bridge, containing docking hidroelektrane mounted on each track bridge, and docking hidroelektrane of nastolatka installed on the stacking mechanism of the bridge and connecting girolamini docking hidroelektrana with shut-off valves installed in the docking sites of the hinge, with the possibility of retention from the bias spring elements, characterized in that what hitch frame stacking mechanism is equipped with front and rear fork clamps and the body of the node coupling the hydraulic and electrical systems of nastolatka and bridge installed inside managing and telescopic hydraulic cylinder drain pipe and Luggage electric cable, retractable elements are connected between a stove and equipped with every spring through ball bearings with shut-off valve on the cross support wheel axles under the fork clamps and foster building site, dock systems with a return valves and electrical connector each of which is mounted on a spring-loaded ball bearing and provided with a guiding cone, and the body node docking systems mounted between the clevis grips hitch frame at a distance from the front fork to capture the longitudinal axis of the steering cylinder, equal to 0.18 - 0.22 longitudinal distance between the front and rear grips, in a plane passing through the supporting wheel axis of the slots, the end sections of the axle, and the spring of each ball joint is made conical with a stiffness is inversely proportional to the distance from the point of swing ball joint to the point of contact of the stop valve and the guide cone response of the valve, and concentric installed along the sliding element small base on the stove, and large - ball bearing, and sliding elements of the hydraulic cylinder and the drain line is made with an outside diameter equal to 1.11 - 1,13 outer diameter of the stop valve, provided with lead-in chamfer, and the plate vertically attached to the guide groove, which is made in the plane passing through the axis of the retractable elements, and is connected through a powered rod with ball support electrical connector, which is parallel to its axis sacral the receiving body side, the opposite connecting rod attached adjustable support under the connector.
FIELD: transportation, servicing technology.
SUBSTANCE: invention pertains to bridge facilities, and more specifically to bridge-layers. The bridge layer consists of self-propelled chassis, laying mechanism and mounted cantilever, consisting of two ruts joined together by braces, each of which is made from middle units and outermost units hinged together by lugs and pins. The new thing in the bridge-layer is that, the laying mechanism is realised using two frames, located one after the other, with slit guides on the sides. The lower frame is mounted on a rotary lever and is immovably fixed to it, while the upper frame is mounted on the lower frame with possibility of longitudinal displacement on rollers, mounted on slit guides on the lower frame. The inter-rut links of the cantilever are in the form of trapezoid frames, consisting of two half-frames, joined together from the top using hinges and by shock-absorbers on the under-side. On the slanted side walls of the ruts there are support rollers. On the lower side there are rollers, mounted on slit guides of the upper frame. Ruts of the cantilever are mounted on support rollers of the trapezoid frames, with possibility of vertical displacement with simultaneous separation of ruts by two movable arms, moved by a mechanism driven by a hydraulic motors, mounted the inclined frames, fixed to the case of the self propelled chassis. In this case, the ruts of the superstructure are fixed at the upper most or lower most position on trapezoid frames using shot-pins with a hydraulic gear, located inside each rut. Displacement of ruts during their lowering or raising is limited by the support rollers, fixed on each rut and moveable in the grooves of the trapezoid frame. Use of the proposed technique enables increasing the thickness of the transient part of the superstructure, and as a result, increases its carrying capacity by 25...30%.
EFFECT: improved structure of the bridge-layer, which increases the carrying capacity of the superstructure of the bridge.
SUBSTANCE: power-assisted bridge complex is provided with possibility of throwing a crossing to an obstacle with unprepared far bank by installing ramps adjustable as to height after end bridge modules (BM); each of ramps is equipped with support surface to contact the ground, and cantilever part provided from the side of end BM and projecting above the ground and the lower surface of which serves for installing a pair of supports adjustable as to height and intended to compensate ground roughness; at that, support surface of end BM is also equipped with supports adjustable as to height, thus providing by means of adjustment of supports the possibility of setting the edges of driveways of end BM and ramps to the level common to each other as to height; at that, supports of end BM and ramps are connected with transverse braces for their mutual attachment; at that, end section of throwing beam is equipped with detachable support hinged along the axis and the height of which is more than minimum height of adjustable support.
EFFECT: possibility of throwing a crossing to an obstacle with unprepared far bank.
8 cl, 17 dwg
SUBSTANCE: sections are installed on bridge launcher in transport position in the form of two-tier packet. In the lower tier one of end sections is arranged as joined with coupling frame, and in the upper tier there are middle and second end sections arranged as oriented one after another. Device for opening sections in track is arranged in the form of two hinged level mechanisms that connect middle and end sections in zone of intersectional hinged joints. Each mechanism is equipped with double-arm lever, hingedly installed in the middle section, and leash hingedly installed at the end section. Double-arm lever is joined by one arm to leash, providing for specified trajectory of bridge section rotation in process of its opening, and by its second arm - with hydraulic cylinder common for both lever mechanisms and installed inside middle section and used as power drive for turning double-arm levers as sections open in process of assault bridge installation.
EFFECT: tracks of assault bridge are arranged with extended end sections and short middle section equal to each other.
4 cl, 7 dwg
SUBSTANCE: invention may be used to load and unload arc bridge onto railway platform during transportation to area of temporary bridge building via water and upland obstacles, and also to arrange temporary quick-erected bridges in areas of natural disasters. The novelty is the fact that it comprises two at least mounting supports, working surface of which is arranged with the possibility to provide for low level of sliding friction with track planking, two composite braces to set bridge tracks from working dimensions into transport ones and to return to working dimensions, each arranged in the form of screw drive with two pulling screws arranged one with the right and the other one with the left thread, extender and two sliders, every of which is equipped with protruding hook to interact with appropriate bridge track, balancing devices, providing for coaxiality of screw drive elements, and external limiters of bridge tracks displacement. Arrangement of mounting supports, composite braces for setting bridge tracks from working dimensions into transport on is demonstrated, as well as possibility to convert a brace into device for sliding bridge tracks from transport position into working one.
EFFECT: development of quickly mounted and dismounted set of equipment for loading of arc bridge onto railway platform to provide for transport railway dimension and to return bridge tracks into working dimensions for its removal off the platform by bridge launcher.
6 cl, 8 dwg
SUBSTANCE: method for transportation and assembly of a bridge span is determined by span design. The mobile bridge span comprises a traffic area made of longitudinal middle main block and two side cantilevers, each made as capable of folding to the middle above the traffic area and is hingedly connected by longitudinal edges to the main block. Each side cantilever of the traffic area is equipped with a pavement cantilever hingedly connected to the free longitudinal edge of the side cantilever as capable of folding above the traffic area, and the main block comprises two bearing beams of double-tee type with support surfaces in the extreme lower position. Each side cantilever of the traffic area is equipped with a folding longitudinal bump stop. Each pavement cantilever is equipped with a folding railing barrier. The main block comprises a rail track, besides, the top of the rail head does not protrude the level of the traffic area. The rail track may be set for a track of 1520 mm and a track of 1435 mm.
EFFECT: using the invention makes it possible to increase efficiency and to simplify assembly works as a span is installed in a bridge structure, to expand its functional capabilities.
8 cl, 4 dwg
SUBSTANCE: bridge-layer consists of ready bridge and comprises conveyor with rotary platform equipped with two levers, which are coupled with one end of laid bridge, and has intermediate chassis supporting the axle at a distance from conveyor is not less than the distance from conveyor to the centre of gravity of “bridge-transporter” coupling, the second end of the bridge is equipped with loops for connection of helicopter or helicopter cluster. Or the second end of the bridge has two or more rocket engines with resultant thrust more than half the weight of the bridge.
EFFECT: disclosed is a device for laying finished bridges on the prepared and not prepared platform mainly in combat conditions.
10 cl, 4 dwg
SUBSTANCE: bridge layer includes self-propelled chassis, a laying mechanism and a track span structure of the bridge, each track of which consists of a middle section and end sections hingedly connected thereto by means of eyelets and pins. The span structure of the bridge is made of the middle track and the extreme tracks hingedly connected thereto with the possibility to rotate in the vertical plane, fixed in the upper working position or in the lower transport position. In the upper working position, the extreme tracks together with the middle track form a bridge with a solid roadway without an inter-track gap. Turned to the lower transport position, the extreme tracks form a structure of the outline rectangular in cross-section, with the width not exceeding the width of the self-propelled chassis.
EFFECT: increasing the throughput capacity of the bridge being built by the bridge layer.