CN215629466U - Support sliding support is opened and shut to horizontal bridge - Google Patents

Abstract

The utility model discloses a transverse bridge opening and closing support sliding support, which comprises: the first lower support and the second lower support are fixedly arranged on the ground of the construction area at intervals along the length direction of the bridge; the upper support comprises two main cross beams which are fixedly arranged at the tops of the two lower supports respectively, and any cross beam is arranged along the width direction of the bridge; any truss is arranged between the two cross beams and is connected with the cross beams in a sliding manner along the width direction of the bridge; a traction system configured to adjust the spacing of the two trusses; and the two track beams are fixedly arranged at the tops of the two trusses respectively and are abutted with the pier-side bracket along the length direction. The top track beam is supported by matching the first lower support, the second lower support and the upper support, and the space between the track beams is adjusted by the traction system, so that the beam body is quickly and stably lifted and longitudinally slid, large-scale hoisting equipment is avoided, and the construction equipment cost is reduced.

Description

Support sliding support is opened and shut to horizontal bridge

Technical Field

The utility model relates to the technical field of bridge engineering hoisting. More particularly, the utility model relates to a transverse bridge opening and closing support sliding support.

Background

In the construction of modern bridges, large-span bridges gradually become a construction trend, large-span bridges mainly of a suspension bridge type and a cable-stayed bridge type are more and more constructed, and in addition, the section assembly construction of a main girder becomes a mainstream construction process due to the gradual maturity of a prefabricated assembly technology. Wherein, the main beam of sidespan generally adopts temporary stand to support, and the mounting method of the main beam of sidespan generally has three kinds: one is to erect a bracket at the approach bridge side, and move a side span main beam to the side span side of the main bridge after being hoisted on the top surface of the side bracket of the approach bridge; the second is that after the side span main beam is hoisted, a jacking triangular bracket is arranged on the side span transition pier to support the main beam; and the third method is to use large-scale hoisting equipment to hoist the main beam after the support is erected in situ. The following technical problems exist:

firstly, a support is erected at the approach bridge side, and sliding construction is carried out after a main beam is hoisted, so that the construction period and the manufacturing cost of the whole support supporting system are greatly influenced;

secondly, a jacking triangular bracket arranged on the side span transition pier cannot meet the support of a long and large-section main beam;

and thirdly, when the support is erected in situ and then the large-scale hoisting equipment is used for hoisting the main beam, the requirement on geological conditions is high, the requirement on the erection height of the support is very strict, the weight of the section of the hoisted main beam also seriously restricts the type selection and the economy of the hoisting equipment, and the general hoisting equipment is difficult to meet the requirement.

In order to solve the construction problem, the utility model provides the transverse bridge opening and closing support sliding support which can optimize the existing girder hoisting technology, reduce the requirements on construction equipment while meeting the requirement on stable support of a large girder and improve the construction efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transverse bridge opening and closing support sliding support, which supports a top track beam through the matching of a first lower support and a second lower support with an upper support, and simultaneously adjusts the space between the track beams through a traction system, thereby realizing the rapid and stable lifting and longitudinal sliding of a beam body, avoiding the use of large-scale hoisting equipment and reducing the construction equipment cost.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a lateral bridging open-close support sliding support comprising:

the first lower support and the second lower support are fixedly arranged on the ground of a construction area at intervals along the length direction of the bridge, one end, far away from the second lower support, of the first lower support is connected with a bridge fixing structure, the first lower support and the second lower support respectively comprise a plurality of groups of supports which are arranged at intervals along the length direction of the bridge, and any one group of supports comprises two supports symmetrically arranged at two sides of the bridge;

the upper support comprises two main cross beams which are respectively and fixedly arranged at the tops of two adjacent groups of supports in the first lower support and the second lower support, any main cross beam comprises two cross beam sections which are respectively fixed on the two corresponding supports, and any cross beam section is arranged along the width direction of the bridge; the two trusses are respectively positioned on two sides of the bridge, and any truss is arranged between the two cross beam sections on the same side and is connected with the two cross beam sections in a sliding manner along the width direction of the bridge;

a traction system configured to adjust the spacing of the two trusses;

and the two track beams are fixedly arranged at the tops of the two trusses respectively, any track beam is arranged along the length direction of the bridge, and one end of the track beam close to the bridge fixing structure is abutted against the pier-side bracket.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, any support comprises a plurality of stand columns arranged at intervals in the width direction of the bridge, and any two adjacent stand columns are fixedly connected through parallel connection and inclined struts.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further comprises a plurality of groups of cross beams, the cross beams are in one-to-one correspondence with the plurality of groups of supports without main cross beams in the first lower support, any group of cross beams comprises two cross beams which are fixedly arranged at the tops of the two corresponding supports respectively, any cross beam is arranged along the width direction of the bridge, and one end, close to the bridge fixing structure, of the track beam is erected on the plurality of cross beams at the same side.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, and the height of the support provided with the main beam in the first lower support is smaller than that of the support not provided with the main beam and is equal to that of the support in the second lower support.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further comprises two limiting devices which correspond to the two trusses respectively, any one limiting device comprises two groups of longitudinal limiting blocks which are fixedly arranged at two ends of the bottom of the corresponding truss respectively, any one group of longitudinal limiting blocks comprises two longitudinal limiting blocks which are positioned at two sides of the main cross beam at the same end respectively, and any one longitudinal limiting block is clamped between the bottom of the truss and the main cross beam; and the two groups of transverse limiting blocks are fixedly arranged at the tops of the two main cross beams respectively, and any one group of transverse limiting blocks comprises two transverse limiting blocks which are positioned at two sides of the corresponding truss respectively.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further comprises two groups of longitudinal beams which are respectively and fixedly arranged between the first lower support and the corresponding main cross beam thereof and between the second lower support and the corresponding main cross beam thereof, any group of longitudinal beams comprises a plurality of longitudinal beams arranged at intervals in the width direction of the bridge, and any longitudinal beam is arranged in the length direction of the bridge; and the two groups of transverse distribution beams are respectively arranged on the two trusses, any group of transverse distribution beams comprises a plurality of transverse distribution beams which are arranged at intervals along the length direction of the bridge and are fixed between the corresponding trusses and the track beams, and any transverse distribution beam is arranged along the width direction of the bridge.

Preferably, the transverse bridge supports the sliding support in an opening and closing manner, the traction system comprises two groups of winches which correspond to the two trusses respectively, any group of winches comprises two winches which are located on the inner sides of the corresponding trusses and fixed on the two main cross beams respectively, and any winch is connected with the trusses through a traction rope.

The utility model at least comprises the following beneficial effects:

1. the upper support is supported by the first lower support and the second lower support, a space for lifting a main beam is formed between the first lower support and the second lower support, a truss structure capable of moving transversely is arranged on the upper support and used for supporting a track beam, the lifting and primary installation of a beam body are met by transverse opening and closing of the upper support, and the longitudinal sliding positioning of the main beam is met by butt joint of the track beam and a pier-side support, so that the rapid and stable lifting and longitudinal sliding installation of a large-section beam body are realized;

2. according to the utility model, the main beam is hoisted in the space of the side span which is transversely opened from the upper support through the cable crane, and is directly erected on the track beam below after the upper support is transversely closed, so that the quick hoisting construction of the main beam is facilitated, and meanwhile, the additional investment of large hoisting equipment for hoisting is avoided;

3. the utility model has simple structure, convenient installation and wide application range, and can disassemble and assemble different construction structures according to different construction operation contents.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic elevation structure view of a transverse bridge opening and closing support sliding support according to an embodiment of the present invention;

FIG. 2 is a schematic plan view of the cross bridge supporting sliding bracket in the above embodiment;

fig. 3 is a schematic side elevation structure view of the transverse bridge opening and closing support sliding support in the above embodiment in an opened state;

fig. 4 is a schematic side elevation construction structure diagram of the transverse bridge opening and closing support sliding support in the embodiment in a closed state.

Description of reference numerals:

1. a track beam; 2. a first lower bracket; 21. a column; 22. parallel connection; 23. bracing; 24. a foundation; 25. holding the plate; 26. wall attachment; 31. a truss; 32. a longitudinal limiting block; 33. a transverse distribution beam; 34. a main cross beam; 35. a stringer; 36. a cross beam; 37. a transverse limiting block; 4. a second lower bracket; 5. a main beam; 51. a slide base; 6. a winch; 7. provided is a bridge pier.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, the present invention provides a sliding support for supporting a transverse bridge in an opening and closing manner, comprising:

the first lower support 2 and the second lower support 4 are fixedly arranged on the ground of a construction area at intervals along the length direction of a bridge, one end, far away from the second lower support 4, of the first lower support 2 is connected with a bridge fixing structure, each of the first lower support 2 and the second lower support 4 comprises a plurality of groups of supports which are arranged at intervals along the length direction of the bridge, and each group of supports comprises two supports symmetrically arranged on two sides of the bridge;

the upper support comprises two main cross beams 34 which are respectively and fixedly arranged at the tops of two adjacent groups of supports in the first lower support 2 and the second lower support 4, any main cross beam 34 comprises two cross beam sections which are respectively and fixedly arranged on the two corresponding supports, and any cross beam section is arranged along the width direction of the bridge; the two trusses 31 are respectively positioned on two sides of the bridge, and any truss 31 is arranged between the two cross beam sections on the same side and is connected with the two cross beam sections in a sliding mode along the width direction of the bridge;

a traction system arranged for adjusting the spacing of the two girders 31;

the two track beams 1 are fixedly arranged at the tops of the two trusses 31 respectively, any track beam 1 is arranged along the length direction of the bridge, and one end, close to the bridge fixing structure, of each track beam 1 is abutted to the pier-side support.

In the above technical solution, the first lower support 2 and the second lower support 4 are both of a three-dimensional frame structure, the upper support is erected at the gap between the first lower support 2 and the second lower support 4, and the first lower support 2 are connected into a whole, wherein the two main beams 34 are respectively erected on the two sets of supports adjacent to the first lower support 2 and the second lower support 4 to provide a traversing track and a moving space for the upper trusses 31, the two trusses 31 are respectively located on two sides of the bridge and are all spanned between the first lower support 2 and the second lower support 4, and can slide along the corresponding beam sections under the action of the traction system. In this embodiment, the first lower bracket 2 is fixedly connected with one side of a bridge pier 7 (a bridge fixing structure) through an attached wall 26, a pier-side bracket is arranged at the top of the side wall of the bridge pier 7, the trusses 31 are arranged along the length direction of the bridge, the track beam 1 is fixed at the top of the corresponding truss 31 and extends towards one end of the bridge fixing structure along the length direction of the bridge, the adjustable interval ranges of the two trusses 31 are designed according to the size of a girder to be installed, and two sides of the bottom of the girder 5 are respectively provided with a sliding seat 51 for longitudinal sliding installation of the girder. The two working states are divided according to the relative positions of the two trusses 31: in the open state, the two trusses 31 move outwards respectively, the transverse distance between the two trusses is large, and the main beam 5 can be lifted to the upper part of the track beam 1 from the lower part (water surface or ground) of the construction space between the two trusses 31 by using hoisting equipment; in a closed state, the two trusses 31 move inwards respectively, the transverse distance between the two trusses 31 is small, the end parts, extending towards the direction of the pier 7, of the two trusses 31 can just abut against the end parts of the supports beside the pier, the distance between the two track beams 1 at the top of the trusses 31 is equal to the distance between the sliding seats 51 at the bottom of the main beam 5, at the moment, the main beam 5 is placed down by using hoisting equipment, the sliding seats 51 at the bottom of the main beam 5 are matched and connected with the track beams 1, therefore, the main beam 5 can be longitudinally slid along the track beams 1 to be in place, and the main beam is convenient to position and install.

In the technical scheme, the first lower support 2, the second lower support 4 and the upper support jointly form a three-dimensional construction area, the distance between the two supports in any group of supports is larger than the width of the main beam 5 to be installed, the number and the distance of the multiple groups of supports can be determined according to the size of the main beam to be installed, the large-section main beam can be moved into a construction space between the two supports through ground/water path transportation, and is vertically lifted to the position right above the three-dimensional construction area through lifting equipment, then the distance between the two track beams 1 for installing the main beam 5 is reduced through the relative sliding motion of the two trusses 31 in the upper support, so that the main beam 5 can be successfully installed on a track matched with a bottom sliding seat 51 of the main beam after being vertically lowered, and subsequent longitudinal sliding construction can be carried out. Thereby, through the supporting frame structure that can transversely open and shut, both provided sufficient construction space and satisfied the promotion and the preliminary installation of big festival section (girder) roof beam body, provided again and satisfied the girder with the track roof beam of the seamless butt joint of pier side support and in the location of vertically sliding after the preliminary installation, realized the quick of big festival section roof beam body, stably promote and the installation of vertically sliding, avoided additionally to drop into large-scale hoisting equipment to hoist simultaneously, reduced the input of the additional bracket of approach bridge side, construction equipment cost has been reduced. In addition, the different construction structures of the sliding support can be disassembled and assembled or the distance between the two trusses in different working states can be adjusted according to different construction operation contents, so that the sliding support is suitable for installation of main beams with different sizes or other structures to be constructed, and the application range is wide.

In another technical scheme, any one of the transverse bridge opening and closing support sliding supports comprises a plurality of upright posts 21 arranged at intervals in the width direction of the bridge, any two adjacent upright posts 21 in the first lower support 2/the second lower support 4 are fixedly connected through a parallel connection 22 and an inclined strut 23, and no parallel connection or inclined strut is arranged between the first lower support 2 and the second lower support 4. Among the above-mentioned technical scheme, arbitrary support includes two stand 21 that set up along the width direction interval of bridge, and arbitrary stand 21 passes through basis 24 to be fixed on the construction ground of below, basis 24 can select to enlarge basis or steel-pipe pile basis according to actual geology condition, and stand 21 chooses for use the steel stand structure, and when setting for the height of stand 21 was higher, can adopt holding plate 25 to connect high with two steel stand sections to single stand. Between two stands of same support, all adopt parallel connection and bracing to connect between the adjacent stand of two adjacent supports to increase the vertical bearing capacity of stand, thereby guarantee the support stability of whole support to the girder that slides.

In another technical solution, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further includes a plurality of groups of cross beams 36, the cross beams are in one-to-one correspondence with the plurality of groups of supports without the main cross beams 34 in the first lower support 2, any group of cross beams 36 includes two cross beams 36, the two cross beams are respectively and fixedly arranged at the tops of the two corresponding supports, any cross beam 36 is arranged along the width direction of the bridge, and one end of the track beam 1 close to the bridge fixing structure is erected on the plurality of cross beams 36 at the same side. Specifically, the truss 31 is arranged between two main cross beams 34, the length of the track beam 1 is greater than that of the truss 31, the track beam 1 continues to extend towards one end of the bridge fixing structure after covering the full length of the top of the truss 31, a plurality of groups of cross beams 36 are arranged on the first lower support 2, are arranged in parallel with the main cross beams 34 at intervals and are used for providing support for a section of the track beam 1 close to the bridge fixing structure, the length of any cross beam 36 can be less than that of the main cross beam 34, but the inner end of the cross beam 36 needs to be aligned with the inner end of the main cross beam 34 in the width direction, so that when the truss 31 and the track beam 1 are in a closed state, the full-length section of the track beam 1 can obtain stable support (cross beam and truss) from the lower side, and the stability of installation and positioning of the main beam is ensured; when the truss 31 and the track beam 1 are in an open state, because the main beam to be installed does not need to be supported, one end of the track beam 1 close to the bridge fixing structure can be free from being supported by the first lower support 2, and the track beam can be fixed by the truss 31 below to maintain the balance of the track beam. The height position of the top surface of the cross beam 36 is the same as that of the top surface of the truss 31, so that the track beam 1 can smoothly move onto the cross beam 36 when the working state is switched (opened-closed), and after the pressure of the main beam 5 is applied to the upper part, the track beam 1 is kept in a horizontal state, and the pressure is uniformly distributed to the lower first lower support 2 and the lower second lower support 4, so that the working stability of the whole system is improved.

In another technical solution, the transverse bridge supports the sliding bracket in an opening and closing manner, and the height of the bracket provided with the main beam 34 in the first lower bracket 2 is less than the height of the bracket not provided with the main beam 34 and is equal to the height of the bracket in the second lower bracket 4. Among the above-mentioned technical scheme, through changing the height of two sets of supports that first lower carriage 2 and second lower carriage 4 are adjacent, the first lower carriage 2 that is provided with truss 31 and the outer tip of second lower carriage 4 form the difference in height naturally, this part difference in height can offset partly set up the height that main beam and truss required, under the condition that track roof beam 1 needs the level setting, can reduce the height of crossbeam 36 that sets up on first lower carriage 2, the crossbeam only needs less height can satisfy the requirement of the track roof beam that supports the level setting jointly with the truss. Thereby, make the structural distribution of support that slides more reasonable, save and set up the required material of support, reduced the cost of construction.

In another technical scheme, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further comprises two limiting devices which respectively correspond to the two trusses 31, any limiting device comprises two groups of longitudinal limiting blocks 32 which are respectively fixedly arranged at two ends of the bottom of the corresponding truss 31, any group of longitudinal limiting blocks 32 comprises two longitudinal limiting blocks 32 which are respectively arranged at two sides of the main cross beam 34 at the same end, and any longitudinal limiting block 32 is clamped between the bottom of the truss 31 and the main cross beam 34; and two sets of transverse limit blocks 37 respectively and fixedly arranged at the tops of the two main beams 34, wherein any one set of transverse limit blocks 37 comprises two transverse limit blocks 37 respectively positioned at two sides of the corresponding truss 31 and fixed at two ends of the corresponding beam section. Wherein, stop device includes horizontal spacing part and vertical spacing part: the longitudinal limit blocks 32 are located at two ends of the truss 31 and fixed at the bottom of the truss 31 and used for limiting longitudinal displacement of the truss 31, the two longitudinal limit blocks 32 in the same group are equivalent to providing limit slideways for the truss 31 at one end, so that the end part of the truss 31 can be fixed on the main beam 34 at the same end to slide along the width direction of the bridge, and longitudinal deviation of the truss when the working state of the truss is switched (when the truss moves on the main beam) is avoided, the end part of the track beam cannot be butted with a pier-side support, and the integrity of a sliding track when the track beam cannot be smoothly switched to a closed state or the installation of a main beam is influenced. The two transverse stoppers 37 of the same group are located on both sides of the truss 31 and fixed at both ends of the beam segments, and are used for controlling the transverse displacement range of the truss 31 on the main beam 34, and preventing the opening and closing degree of the truss 31 from exceeding a set range, specifically, when the truss 31 abuts against the transverse stoppers 37 on the inner side, the truss 31 is in a closed state, and when the truss 31 abuts against the transverse stoppers 37 on the outer side, the truss 31 is in an open state. Through setting up horizontal stopper, be convenient for control the state that opens and shuts of truss to carry out accurate control and switching to the operating condition of track roof beam 1, improve construction quality and efficiency of construction.

In another technical solution, the transverse bridge supports the sliding support in an opening and closing manner, the upper support further includes two sets of longitudinal beams 35 respectively and fixedly disposed between the first lower support 2 and the corresponding main cross beam 34 thereof, and between the second lower support 4 and the corresponding main cross beam 34 thereof, any set of longitudinal beams 35 includes a plurality of longitudinal beams 35 disposed at intervals along the width direction of the bridge, and any longitudinal beam 35 is disposed along the length direction of the bridge; two groups of transverse distribution beams 33 are respectively arranged on the two trusses 31, any group of transverse distribution beams 33 comprises a plurality of transverse distribution beams 33 which are arranged at intervals along the length direction of the bridge and are fixed between the corresponding truss 31 and the track beam 1, and any transverse distribution beam 33 is arranged along the width direction of the bridge. In the embodiment, a group of supports comprises two supports, any one of the supports comprises two upright posts 21, a group of longitudinal beams 35 comprises six longitudinal beams 35 symmetrically arranged on two sides of the bridge, four longitudinal beams 35 close to the inner side are respectively arranged on the four upright posts 21 of the group of supports, and two longitudinal beams 35 on the outermost side are fixed on the two upright posts 21 on the outer side through parallel connection 22 and inclined struts 23, so that enough supporting points are provided for the main cross beam 34, the length of the main cross beam 34 can meet the requirement that the truss 31 can slide in an opening and closing manner, and the stability of the main cross beam 34 is ensured. The transverse distribution beam 33 arranged on the truss 31 can further uniformly distribute the larger pressure from the main beam to the truss below, so that the stress structure of the truss is more reasonable, and the overall stability of the sliding support is improved.

In another technical scheme, the transverse bridge supports the sliding support in an opening and closing manner, the traction system comprises two groups of winches 6 which correspond to the two trusses 31 respectively, any group of winches 6 comprises two winches 6 which are positioned on the inner sides of the corresponding trusses 31 and fixed on the two main beams 34 respectively, and any winch 6 is connected with the trusses 31 through a traction rope. In the above technical solution, two winches 6 in the same group are respectively located on two beam segments on the same side, any winch 6 is located at the inner end of the corresponding beam segment, and a connection pulley is arranged at the outer end of the beam segment. Therefore, when the winch 6 rotates forwards, the total length of the traction rope positioned outside (not on the winding drum) is unchanged, and the traction rope moves along the wire outlet end to the wire take-up end, and a connecting point on the traction rope, which is fixed with the truss 31, moves outwards along the width direction of the bridge (moves from one end of the winch to one end of the connecting pulley), so that the truss is opened; when the winch 6 rotates reversely, the total length of the traction rope outside (not on the winding drum) is unchanged, the traction rope moves to the wire outlet end along the wire receiving end, and a connection point fixed with the truss 31 on the traction rope moves inwards (moves from one end of the connection pulley to one end of the winch) along the width direction of the bridge, so that the truss is closed. The hauling ropes of the two winches in the same group are respectively connected with the two ends of the truss 31, and the two winches synchronously operate in work, so that the truss can stably slide along the main cross beam.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a horizontal bridge supports support sliding to opening and shutting which characterized in that includes:

the first lower support and the second lower support are fixedly arranged on the ground of a construction area at intervals along the length direction of the bridge, one end, far away from the second lower support, of the first lower support is connected with a bridge fixing structure, the first lower support and the second lower support respectively comprise a plurality of groups of supports which are arranged at intervals along the length direction of the bridge, and any one group of supports comprises two supports symmetrically arranged at two sides of the bridge;

the upper support comprises two main cross beams which are respectively and fixedly arranged at the tops of two adjacent groups of supports in the first lower support and the second lower support, any main cross beam comprises two cross beam sections which are respectively fixed on the two corresponding supports, and any cross beam section is arranged along the width direction of the bridge; the two trusses are respectively positioned on two sides of the bridge, and any truss is arranged between the two cross beam sections on the same side and is connected with the two cross beam sections in a sliding manner along the width direction of the bridge;

a traction system configured to adjust the spacing of the two trusses;

and the two track beams are fixedly arranged at the tops of the two trusses respectively, any track beam is arranged along the length direction of the bridge, and one end of the track beam close to the bridge fixing structure is abutted against the pier-side bracket.

2. The transverse bridge opening-closing supporting sliding support according to claim 1, wherein any one support comprises a plurality of upright columns arranged at intervals along the width direction of the bridge, and any two adjacent upright columns are fixedly connected through parallel connection and inclined struts.

3. The transverse bridge opening-closing supporting sliding support according to claim 1, wherein the upper support further comprises a plurality of sets of cross beams, the sets of cross beams are in one-to-one correspondence with the plurality of sets of supports without main cross beams in the first lower support, any set of cross beams comprises two cross beams, the two cross beams are respectively and fixedly arranged at the tops of the two corresponding supports, any cross beam is arranged along the width direction of the bridge, and one end of the track beam close to the bridge fixing structure is erected on the plurality of cross beams at the same side.

4. The transverse bridge opening and closing supporting and sliding support frame as claimed in claim 3, wherein the height of the support frame provided with the main beam in the first lower support frame is smaller than the height of the support frame without the main beam and equal to the height of the support frame in the second lower support frame.

5. The transverse bridge opening-closing supporting sliding support according to claim 1, wherein the upper support further comprises two limiting devices respectively corresponding to the two trusses, any limiting device comprises two sets of longitudinal limiting blocks respectively fixedly arranged at two ends of the bottom of the corresponding truss, any set of longitudinal limiting block comprises two longitudinal limiting blocks respectively arranged at two sides of the main beam at the same end, and any longitudinal limiting block is clamped between the bottom of the truss and the main beam; and the two groups of transverse limiting blocks are fixedly arranged at the tops of the two main cross beams respectively, and any one group of transverse limiting blocks comprises two transverse limiting blocks which are positioned at two sides of the corresponding truss respectively.

6. The transverse bridge opening-closing supporting sliding support according to claim 1, wherein the upper support further comprises two groups of longitudinal beams which are respectively and fixedly arranged between the first lower support and the corresponding main cross beam and between the second lower support and the corresponding main cross beam, any group of longitudinal beams comprises a plurality of longitudinal beams which are arranged at intervals along the width direction of the bridge, and any longitudinal beam is arranged along the length direction of the bridge; and the two groups of transverse distribution beams are respectively arranged on the two trusses, any group of transverse distribution beams comprises a plurality of transverse distribution beams which are arranged at intervals along the length direction of the bridge and are fixed between the corresponding trusses and the track beams, and any transverse distribution beam is arranged along the width direction of the bridge.

7. The transverse bridge opening-closing supporting-sliding support according to claim 1, wherein the traction system comprises two sets of winches corresponding to the two trusses respectively, each set of winch comprises two winches located at the inner sides of the corresponding trusses and fixed on the two main beams respectively, and each winch is connected with the trusses through a traction rope.

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