A mobile support system for a bridge

Abstract

The embodiment of the present application provides a mobile support system for a bridge, comprising: a pier-side support frame, the upper surface of which is higher than the upper surface of the bridge span support structure; a mobile structure, comprising a slide and a mobile seat, the slide being fixed on the pier-side support frame, the mobile seat being placed on the slide, and the mobile seat being used to support the bridge span structure of the bridge; wherein the mobile seat is capable of moving on the slide along the transverse direction of the bridge, driving the bridge span structure to move to a preset position above the bridge span support structure. The embodiment of the present application solves the technical problem of the complex structure of the mobile support system for traditional bridges.

Description

Technical Field

[0001] The present application relates to the technical field of bridge construction, and in particular to a mobile support system for a bridge. Background Art

[0002] A bridge is a structure built over rivers to allow vehicles and pedestrians to pass. Figure 1 A partial schematic diagram of the bridge. Figure 1 As shown, a bridge generally consists of a superstructure and a substructure. The superstructure, also known as the span structure 10, is the primary structure for crossing obstacles. The substructure includes piles 21, caps 22, and a span support structure 23. The tops of multiple piles 21 are connected together by caps 22. The piles 21 are embedded in the soil and transfer the load they bear to the bearing stratum of the foundation. The span support structure 23 is fixed to the caps 22. The span support structure includes abutments at both ends of the bridge and piers in the middle.

[0003] The main construction methods for securing the span structure to the span support structure include in-situ cast-in-situ, prefabricated erection, and prefabricated transverse displacement. However, when a new bridge crosses an existing road, partial or complete traffic disruption is not permitted, and to ensure construction safety, in-situ cast-in-situ or prefabricated erection is not feasible. Currently, prefabricated transverse displacement of the span structure is achieved using a transverse displacement support (i.e., a mobile support system) equipped with a motorized trolley and other structures, which are complex and bulky.

[0004] Therefore, the structure of the mobile support system of the bridge is complex, which is a technical problem that technical personnel in this field urgently need to solve.

[0005] The above information disclosed in the Background section is only for enhancement of understanding of the background of the application and therefore it may contain information that does not form the prior art known to a person of ordinary skill in the art. Summary of the Invention

[0006] In an embodiment of the present application, a bridge span structure base in the form of a double-web beam is provided to solve the technical problem of the complex structure of the mobile support system of traditional bridges.

[0007] The embodiment of the present application provides a mobile support system for a bridge, comprising:

[0008] a pier-side support frame, wherein the upper surface of the pier-side support frame is higher than the upper surface of the bridge span supporting structure of the bridge;

[0009] The movable structure includes a slideway and a movable seat, wherein the slideway is fixed on the pier support frame, and the movable seat is placed on the slideway, and the movable seat is used to support the span structure of the bridge;

[0010] The movable seat can move along the transverse direction of the bridge on the slideway, driving the bridge span structure to move to a preset position above the bridge span supporting structure.

[0011] The embodiments of the present application adopt the above technical solutions, which have the following technical effects:

[0012] The upper surface of the pier-side support frame is higher than the upper surface of the span support structure of the bridge, and the slide is fixed on the pier-side support frame, that is, the slide is higher than the span support structure; the movable seat is used to support the span structure of the bridge, and the movable seat is located on the slide. In this way, when the movable seat supports the span structure of the bridge, the span structure is higher than the span support structure. The movable seat can move along the transverse direction of the bridge on the slide, which will drive the span structure to move to a preset position above the span support structure, realizing the movement of the span structure along the transverse direction of the bridge. A movable support system for a bridge in an embodiment of the present application can realize the movement of the span structure of the bridge along the transverse direction of the bridge, has a simple structure, and is easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 This is a partial schematic diagram of the bridge;

[0015] Figure 2 A schematic top view of the cooperation between the mobile support system and the bridge of an embodiment of the present application;

[0016] Figure 3 for Figure 2 The right side diagram of

[0017] Figure 4 for Figure 2 A partial schematic diagram of the mobile structure of the mobile positioning support system shown;

[0018] Figure 5 for Figure 4 The AA section view shown;

[0019] Figure 6 for Figure 2 The shown schematic diagram is a front view of the mobile support system in cooperation with the bridge and omitting the pier support frame.

[0020] Description of reference numerals:

[0021] In bridges:

[0022] 10 bridge span structure,

[0023] 11 supporting structures,

[0024] 21 stakes,

[0025] 22 platform,

[0026] 23 bridge span support structure;

[0027] In the mobile positioning support system of the embodiment of the present application:

[0028] 100 Pier side support frame,

[0029] 210 slides,

[0030] 211 slide beam,

[0031] 211-1 I-beam reinforcement,

[0032] 212 lower slide plate,

[0033] 220 mobile seat,

[0034] 221 bridge span structure base,

[0035] 221-1 Anti-slip plate,

[0036] 222 upper slide,

[0037] 310 traction device,

[0038] 320 tie rod,

[0039] 330 Start the push device,

[0040] 410 bracket,

[0041] 420 lifting structure. DETAILED DESCRIPTION

[0042] In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other unless they conflict.

[0043] Figure 1 This is a partial schematic diagram of the bridge; Figure 2 A schematic top view of the cooperation between the mobile support system and the bridge of an embodiment of the present application; Figure 3 for Figure 2 The right side diagram of Figure 4 for Figure 2The partial schematic diagram of the mobile structure of the mobile support system is shown in FIG. Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a mobile support system for a bridge according to an embodiment of the present application includes:

[0044] A pier-side support frame 100, wherein the upper surface of the pier-side support frame is higher than the upper surface of the bridge span support structure 23;

[0045] The mobile structure includes a slideway 210 and a mobile seat 220. The slideway 210 is fixed on the pier support frame 100. The mobile seat 220 is placed on the slideway 210. The mobile seat 220 is used to support the bridge span structure 10 of the bridge.

[0046] The movable seat can move along the transverse direction of the bridge on the slideway, driving the bridge span structure to move to a preset position above the bridge span supporting structure.

[0047] In an embodiment of the present application, a mobile support system for a bridge is provided, wherein the upper surface of the pier-side support frame is higher than the upper surface of the span support structure of the bridge, and the slide is fixed on the pier-side support frame, that is, the slide is higher than the span support structure; the mobile seat is used to support the span structure of the bridge, and the mobile seat is located on the slide. In this way, when the mobile seat supports the span structure of the bridge, the span structure is higher than the span support structure. The mobile seat can move along the transverse direction of the bridge on the slide, and will drive the span structure to move to a preset position above the span support structure, thereby realizing the movement of the span structure along the transverse direction of the bridge. In an embodiment of the present application, a mobile support system for a bridge is provided, which can realize the movement of the span structure of the bridge along the transverse direction of the bridge, has a simple structure, and is easy to install and disassemble.

[0048] Specifically, the pier side support frame can adopt a full-span support or a beam-column support.

[0049] Specifically, the mobile support system of the bridge can adopt a beam-column support.

[0050] Specifically, the pier-side support frame can be reused as a cast-in-place support frame for the bridge span structure. This allows a single pier-side support frame to function both as a mobile support system for the bridge and as a cast-in-place support frame for the bridge span structure. This dual purpose allows for a single structure to reduce the amount of equipment used in bridge construction.

[0051] In practice, the location of the pier support frame can be as follows: Figure 2 and Figure 3 In the embodiment shown, the pier-side support frame 100 is arranged side by side with the bridge span support structure 23 in the transverse direction of the bridge;

[0052] The slideway 210 is also fixed on the bridge span support structure 23;

[0053] The movable seat can move on the slideway along the transverse direction of the bridge, driving the bridge span structure to move from above the pier side support frame to a preset position above the bridge span supporting structure.

[0054] The pier-side support frames are positioned alongside the span support structure in the transverse direction of the bridge. To ensure the stability of the slideway, the slideway is also fixed to the span support structure. As the movable seat moves along the transverse direction of the bridge on the slideway, it moves the span structure from above the pier-side support frames to a pre-set position above the span support structure. This structure is particularly suitable for situations where the two span support structures need to cross an existing road. By placing the pier-side support frames outside the existing roadway, the impact of bridge construction on the existing roadway is minimal.

[0055] In implementation, as an optional manner, two pier-side support frames may be arranged in parallel between two adjacent bridge span support structures, and each pier-side support frame protrudes from the bridge span support structure in the transverse direction of the bridge;

[0056] The slideway is only fixed on the pier support frame and is not fixed to the bridge span support structure;

[0057] The movable seat can move on the slideway along the transverse direction of the bridge, driving the span structure to move from the position where the pier side support frame protrudes from the span support structure to a preset position above the span support structure.

[0058] Such a structure utilizes the space between two adjacent span supporting structures and the position of the space in the transverse direction of the bridge. It is particularly suitable for situations where the span supporting structures do not need to cross existing roads, and the span supporting structures are not suitable for setting up pier side support frames in the transverse direction of the bridge where the span supporting structures are side by side with the span supporting structures.

[0059] In implementation, the surface of the slideway that moves relative to the movable seat is made of stainless steel, and the surface of the movable seat that moves relative to the slideway is made of polytetrafluoroethylene.

[0060] The choice of materials for the corresponding positions in the above-mentioned slide and movable seat is, on the one hand, conducive to reducing friction, as the friction coefficient between stainless steel and tetrafluoroethylene is small; on the other hand, it is also suitable for bridge construction, which is mostly carried out outdoors, and will not rust.

[0061] Figure 5 for Figure 4 In practice, the structure of the slideway may be as follows: Figure 4 and Figure 5 The structure of the specific embodiment shown. The slide includes:

[0062] slideway beam 211;

[0063] A lower slide plate 212 is fixed on the slideway beam, and the lower slide plate 212 is a polytetrafluoroethylene plate.

[0064] Dividing the slide beam into the slide beam and the lower slide plate of the polytetrafluoroethylene plate can reduce the use of the polytetrafluoroethylene plate, and the slide beam can be made of a material that has the required strength but is cheaper.

[0065] In practice, the structure of the mobile seat can be as follows Figure 4 and Figure 5 The structure of the specific embodiment shown. The movable base includes:

[0066] The bridge span structure base 221 is used to support the bridge span structure 10;

[0067] An upper slide plate 222 is fixed to the bottom of the bridge span structure base, and the upper slide plate 222 is a stainless steel plate.

[0068] The movable base is divided into a bridge span structure base and an upper slide plate made of stainless steel plates, which can reduce the use of stainless steel plates. The bridge span structure base can be made of materials that meet the required strength but are more affordable. The bridge span structure can be prefabricated or cast-in-place.

[0069] In practice, the structure of the upper slide plate may be as follows: Figure 4 The structure in the specific embodiment shown in FIG. 1 is that the upper slide plate 222 is tilted at both ends of the transverse direction of the bridge to prevent the lower slide plate from being damaged during movement.

[0070] The upper slide is made of stainless steel, which is relatively hard. It is raised at both ends of the transverse direction of the bridge to prevent the lower slide of the polytetrafluoroethylene plate from being damaged during movement.

[0071] Specifically, the structure of the bridge span structure base can be as follows: Figure 4 and Figure 5 The structure in the specific embodiment shown in FIG. Anti-slip plates 221 - 1 are protruding from the edges of the upper side of the bridge span structure base, and the anti-slip plates 221 - 1 are used to prevent the bridge span structure from detaching from the bridge span structure base.

[0072] Specifically, two adjacent bridge span structure bases supporting the same bridge span structure are connected via steel strips.

[0073] The steel plate connecting strips of the above structure fix two adjacent bridge span structure bases supporting the same bridge span structure into one body, so that the bridge span structure is subjected to relatively balanced forces, thereby reducing the possibility of the bridge span structure deflecting during movement due to unbalanced forces.

[0074] When the bridge span structure is supported by the bridge span structure base of such a structure, the lower edge of the bridge span structure is blocked by the anti-slip plate, which can prevent the bridge span structure from detaching from the bridge span structure base.

[0075] Furthermore, the height of the longitudinal anti-slip plate is higher than the height of the transverse anti-slip plate, wherein the plate surface direction of the longitudinal anti-slip plate is consistent with the longitudinal direction of the bridge, and the plate surface direction of the transverse anti-slip plate is consistent with the transverse direction of the bridge.

[0076] When the moving seat moves along the transverse direction of the bridge, the forward anti-slip plate will be affected by the force exerted by the span structure. The height of the forward anti-slip plate is higher than that of the transverse anti-slip plate, which can better prevent the span structure from detaching from the span structure seat along the transverse direction of the bridge.

[0077] In practice, in order to realize the movement of the mobile seat, the mobile support system can also be as follows Figure 3 The structure in the specific embodiment shown further includes:

[0078] A traction device 310 is fixed to an end of the slideway away from the pier support frame;

[0079] A pull rod 320, one end of which is fixed to the traction device 310, and the other end of which is fixed to the movable seat 220, and the length direction of the pull rod is consistent with the transverse direction of the bridge;

[0080] The traction device pulls the pull rod, driving the movable seat to move close to the traction device to a preset position on the bridge span supporting structure.

[0081] The pull rod and the traction device cooperate with each other to realize the movement of the moving seat along the transverse direction of the bridge.

[0082] Specifically, the traction device may be a jack, and in particular a through-type jack.

[0083] In practice, the fixing method of the pull rod and the movable seat can be as follows: Figure 4 In the specific embodiment shown, a section of the pull rod away from the traction device is pre-buried in the bridge span structure base 221.

[0084] The fixing method of the pull rod is that a section away from the traction device is embedded in the bridge span structure base body. The fixing surface of the pull rod and the bridge span structure base body is the largest, which is conducive to keeping the length direction of the pull rod consistent with the transverse direction of the bridge, and is also conducive to the pull rod driving the movement of the movable seat.

[0085] In practice, in order to realize the movement of the mobile seat, the mobile support system can also be as follows Figure 4 In the structure of the specific embodiment shown, the mobile support system also includes:

[0086] A starting pushing device 330 is provided on the pier-side support frame 100 and is arranged opposite to the traction device 310 , and the movable seat 220 is located between the starting pushing device 330 and the traction device 310 ;

[0087] The starting pushing device is used to provide a pushing force in the same direction as the traction force of the traction device, and the pushing force and the traction force work together to overcome the static friction of the moving seat.

[0088] Specifically, the starting pushing device can be a jack, particularly a through-type jack. As the movable base moves from a stationary position to a mobile position, it must overcome static friction before it can move. Static friction is greater than sliding friction. Therefore, the pushing force of the starting pushing device, acting in conjunction with the pulling force of the pulling device during startup, facilitates movement.

[0089] Figure 6 for Figure 2 The front view of the mobile support system shown is in coordination with the bridge and the pier support frame is omitted. In practice, in order to realize the top of the bridge span structure above the bridge span support structure, the mobile support system can also be as follows Figure 3 and Figure 6 In the structure of the specific embodiment shown, the mobile support system also includes:

[0090] a bracket 410, wherein the bracket 410 and the bridge span support structure 23 are arranged side by side in the longitudinal direction of the bridge, and the upper surface of the bracket 410 is lower than the upper surface of the bridge span support structure 23;

[0091] A lifting structure 420 is fixed on the bracket 410;

[0092] Correspondingly, the movable structure is provided with a top-drop through-hole which passes through from top to bottom;

[0093] In which, the lifting structure is used to lift the bridge span structure through the roof-dropping through-hole to support the bridge span structure when the bridge span structure is stationary and placed on the bridge span supporting structure to facilitate the removal of the mobile structure, and after the mobile structure is removed, lower the bridge span structure to place it on the bridge span supporting structure.

[0094] The lifting structure cooperates with the roof-dropping through hole to realize placing the bridge span structure above the bridge span supporting structure on the bridge span supporting structure.

[0095] Specifically, the lifting structure may adopt a jack, in particular a through-type jack.

[0096] During implementation, in order to achieve the coordination between the lifting structure and the roof through-hole, the mobile support system also includes:

[0097] A positioning rail is fixed between the bracket and the slide, and the lifting structure is fixed on the positioning rail to realize the lifting structure. The positioning rail is parallel to the slide and is arranged opposite to the top drop through hole;

[0098] Wherein, the lifting structure is arranged on the positioning track and can move along the positioning track.

[0099] The presence of the positioning rail enables the lifting structure to move along the positioning rail with adjustment space, which facilitates the lifting structure to rise through the roof through-hole to support the bridge span structure, and also reduces the assembly accuracy.

[0100] In practice, the structure of the slideway beam may be as follows: Figure 4 and Figure 5 In the structure of the specific embodiment shown, the slide beam 211 includes:

[0101] The main body of the slide beam of the double web beam;

[0102] An I-shaped reinforcement beam 211 - 1 is parallel to the web of the slideway beam body and is used to reinforce the slideway beam.

[0103] The I-shaped reinforcement beam can reinforce the slideway beam body, making the slideway beam stronger.

[0104] In practice, the structure of the bridge span structure base can be the structure in the specific embodiment shown in Figure 5, wherein the bridge span structure base is a double-web beam bridge span structure base. The double-web beam bridge span structure base has a strong structure.

[0105] In practice, the structure of double web beam, such as Figure 5 In the specific embodiment shown, the double web beam includes:

[0106] A long hollow beam with a rectangular frame;

[0107] Two parallel longitudinal webs are arranged at the upper and lower bottoms of the supporting rectangular frame in the hollow long beam.

[0108] The longitudinal web can reinforce the hollow long beam, thereby making the double-web beam stronger.

[0109] Furthermore, the end portion where the longitudinal web is fixed to the hollow long beam has a variable cross-section, i.e., a circular arc transition section, so that the fixation between the longitudinal web and the hollow long beam is more solid.

[0110] The internal structure of the slide of the specific mobile structure needs to be tightly fitted and fixed from bottom to top, and the welding points must have a continuous weld of a certain length to ensure the firmness of the fixed connection. The elevation adjustment can only be made below the slide.

[0111] When using the mobile support system for a bridge according to an embodiment of the present application, the following steps are included:

[0112] First, the position of the bridge span structure before and after movement needs to be elevated and staked out;

[0113] Afterwards, according to the elevation and the position of the stakeout, the pier support frame, bracket, mobile structure and height adjustment are set.

[0114] Example 2

[0115] The movable support system of the embodiment of the present application is different from that of the first embodiment in terms of the slide rail and the movable seat.

[0116] In practice, another optional configuration of the slideway and the movable seat structure is as follows:

[0117] slideway beam;

[0118] A lower slide plate is fixed on the slideway beam, and the lower slide plate is a stainless steel plate.

[0119] Dividing the slide beam into the slide beam and the lower slide plate of the stainless steel plate can reduce the use of the stainless steel plate, and the slide beam can be made of a material that is strong enough to meet the requirements but is more affordable.

[0120] The mobile seat comprises:

[0121] A bridge span structure base, used for supporting the bridge span structure;

[0122] An upper slide plate is fixed on the bottom of the bridge span structure base, and the upper slide plate is a polytetrafluoroethylene plate.

[0123] Dividing the movable base into a bridge span structure base and an upper slide plate made of polytetrafluoroethylene (PTFE) can reduce the use of polytetrafluoroethylene (PTFE) sheets, and the bridge span structure base can be made of a material that meets the required strength but is less expensive. The bridge span structure can be prefabricated or cast-in-place.

[0124] In this way, the upper slide plate of the polytetrafluoroethylene plate no longer needs to be provided with a tilted structure at both ends of the transverse direction of the bridge.

[0125] In the description of the present application and its embodiments, it should be understood that the terms "top", "bottom", "height", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present application.

[0126] In this application and its embodiments, unless otherwise expressly specified or limited, terms such as "disposed," "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0127] In the present application and its embodiments, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0128] The disclosure above provides many different embodiments or examples for realizing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described above. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0129] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0130] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A mobile support system for a bridge, characterized in that: include: a pier-side support frame, wherein the upper surface of the pier-side support frame is higher than the upper surface of the bridge span supporting structure of the bridge; The movable structure includes a slideway and a movable seat, wherein the slideway is fixed on the pier support frame, and the movable seat is placed on the slideway, and the movable seat is used to support the span structure of the bridge; The movable seat is capable of moving along the transverse direction of the bridge on the slideway, driving the bridge span structure to move to a preset position above the bridge span support structure; The slide comprises: slideway beam; a lower slide fixed on the slide beam; The mobile seat comprises: A bridge span structure base, used for supporting the bridge span structure; An upper slide fixed to the bottom of the bridge span structure base; The upper slide is tilted at both ends of the bridge in the transverse direction to prevent the lower slide from being damaged during movement; Anti-slip plates (221-1) are protrudingly provided on the four edges of the upper side of the bridge span structure seat, and the anti-slip plates (221-1) are used to prevent the bridge span structure from detaching from the bridge span structure seat; The height of the longitudinal anti-slip plate is higher than that of the transverse anti-slip plate, wherein the plate surface direction of the longitudinal anti-slip plate is consistent with the longitudinal direction of the bridge, and the plate surface direction of the transverse anti-slip plate is consistent with the transverse direction of the bridge; The mobile mounting system also includes: A traction device is fixed to an end of the slideway away from the pier support frame; A pull rod, one end of which is fixed to the traction device, and the other end of which is fixed to the movable seat, and the length direction of the pull rod is consistent with the transverse direction of the bridge; The traction device pulls the pull rod, driving the movable seat to move close to the traction device to a preset position above the bridge span supporting structure; A section of the pull rod away from the traction device is pre-buried in the movable seat; The mobile mounting system also includes: A starting pushing device is provided on the pier-side support frame and is arranged opposite to the traction device, and the movable seat is located between the starting pushing device and the traction device; The starting pushing device is used to provide a pushing force in the same direction as the traction force of the traction device, and the pushing force and the traction force work together to overcome the static friction force of the moving seat; The mobile structure is provided with a top-drop through hole that passes through from top to bottom; the mobile support system further includes: a bracket, wherein the bracket and the bridge span supporting structure are arranged side by side in the longitudinal direction of the bridge, and the upper surface of the bracket is lower than the upper surface of the bridge span supporting structure; A lifting structure is fixed on the bracket; The lifting structure is used to lift the bridge span structure through the roof drop hole to support the bridge span structure when the bridge span structure is statically placed on the bridge span support structure, so as to facilitate the removal of the mobile structure, and after the mobile structure is removed, lower the bridge span structure to place it on the bridge span support structure; The mobile mounting system also includes: A positioning rail is fixed between the bracket and the slideway, and the positioning rail is arranged opposite to the top-drop through hole; Wherein, the lifting structure is arranged on the positioning track and can move along the positioning track.

2. The mobile support system according to claim 1, characterized in that: The pier-side support frame is arranged side by side with the bridge span support structure in the transverse direction of the bridge; The slideway is also fixed on the bridge span supporting structure; The movable seat can move on the slideway along the transverse direction of the bridge, driving the bridge span structure to move from above the pier side support frame to a preset position above the bridge span supporting structure.

3. The mobile support system according to claim 1, characterized in that: The two pier-side support frames are arranged in parallel between two adjacent bridge span support structures, and each of the pier-side support frames protrudes from the bridge span support structure in the transverse direction of the bridge; The movable seat can move on the slideway along the transverse direction of the bridge, driving the span structure to move from the position where the pier side support frame protrudes from the span support structure to a preset position above the span support structure.

4. The mobile support system according to claim 1, characterized in that: The lower slide plate is a polytetrafluoroethylene plate.

5. The mobile support system according to claim 4, characterized in that: The upper slide plate is a stainless steel plate.

6. The mobile support system according to claim 1, characterized in that: The lower slide plate is a stainless steel plate.

7. The mobile support system according to claim 6, characterized in that: The upper slide plate is a polytetrafluoroethylene plate.

8. The mobile support system according to claim 4 or 6, characterized in that: The slideway beam comprises: A slideway beam body in the shape of a double-web beam; An I-shaped reinforcement beam is parallel to the web of the slideway beam body and is used to reinforce the slideway beam.

9. The mobile support system according to claim 8, characterized in that: The bridge span structure base is a bridge span structure base in the form of a double web beam.

10. The mobile support system according to claim 9, characterized in that: The double-web beam comprises: A long hollow beam with a rectangular frame; Two parallel longitudinal webs are arranged at the upper and lower bottoms of the supporting rectangular frame in the hollow long beam.

Images