Method for reconstructing monorail bridges and simply supported bridges

Abstract

The embodiment of the application discloses a single-track bridge and a reconstruction method of a simply supported bridge, and the single-track bridge comprises: at least two beam bodies, including a first beam body and a second beam body which are arranged adjacently; and at least three pier bodies, first and second pier bodies which are arranged adjacently in the at least three pier bodies are used for supporting the first beam body, and second and third pier bodies which are arranged adjacently in the at least three pier bodies are used for supporting the second beam body; the first beam body is fixedly connected with the first and second pier bodies respectively; the second beam body is fixedly connected with the second pier body, and the second beam body is movably connected with the third pier body in the longitudinal direction of the second beam body, and the second beam body can move relative to the third pier body in the longitudinal direction of the second beam body. The single-track bridge of the embodiment of the application can share the deformation caused by the traction of the driving equipment through the first and second pier bodies, so that the deformation of one pier body is greatly reduced, and the driving comfort of the driving equipment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail transit, in particular to a monorail bridge and a reconstruction method of a simply supported bridge. BACKGROUND

[0002] The most commonly used structure system of the monorail bridge is a simply supported beam structure system. However, the simply supported beam structure system mainly bears the traction force in the driving process of the driving equipment through a single pier, which causes the deformation of the pier to be large and affects the driving comfort of the driving equipment. SUMMARY

[0003] Therefore, the embodiments of the present application aim to provide a monorail bridge and a reconstruction method of a simply supported bridge.

[0004] To achieve the above-mentioned purpose, the technical solution of the present application is as follows:

[0005] The embodiments of the present application also provide a reconstruction method of a simply supported bridge, which comprises:

[0006] at least two beam bodies, including a first beam body and a second beam body arranged at intervals;

[0007] at least three pier bodies, adjacent first and second pier bodies in the at least three pier bodies are used to support the first beam body, and adjacent second and third pier bodies in the at least three pier bodies are used to support the second beam body;

[0008] the first beam body is fixedly connected with the first pier body, the first beam body is movably connected with the second pier body, the first beam body can move relative to the second pier body in the longitudinal direction of the first beam body, the second beam body is fixedly connected with the second pier body, and the second beam body is movably connected with the third pier body, the second beam body can move relative to the third pier body in the longitudinal direction of the second beam body;

[0009] the reconstruction method comprises:

[0010] fixedly connecting the first beam body with the second pier body.

[0011] In some embodiments, the reconstruction method is used to reconstruct a simply supported bridge into a monorail bridge;

[0012] the monorail bridge is used to bear the driving equipment;

[0013] when the driving equipment is borne based on the first beam body, the first and second pier bodies are used to jointly bear the traction force or braking force of the driving equipment;

[0014] The first pier and the second pier are used to jointly bear the traction force or braking force of the traveling device under the condition that the traveling device is carried by the second beam body.

[0015] In some embodiments, the first beam body and the second beam body are spaced apart or in contact.

[0016] In some embodiments,

[0017] The first pier is fixedly connected with the first end of the first beam body, and the first pier is used to support the first end of the first beam body; the second pier is fixedly connected with the second end of the first beam body, and the second pier is used to support the second end of the first beam body.

[0018] The second pier is fixedly connected with the first end of the second beam body, and the second pier is used to support the first end of the second beam body; the third pier is movably connected with the second end of the second beam body in the longitudinal direction of the second beam body, and the third pier is used to support the second end of the second beam body.

[0019] In some embodiments, the first beam body is fixedly connected with the first pier through a first seat body; the first beam body is fixedly connected with the second pier through a second seat body; the second beam body is fixedly connected with the second pier through a third seat body; and the second beam body is movably connected with the third pier in the longitudinal direction of the second beam body through a fourth seat body.

[0020] In some embodiments,

[0021] The fourth seat body has a first sliding groove.

[0022] The second end of the second beam body is clamped in the first sliding groove, and the second beam body can move in the longitudinal direction of the second beam body in the first sliding groove.

[0023] In some embodiments, the reconstruction method is used to reconstruct a simply supported bridge into a monorail bridge.

[0024] The first pier has a first connecting hole, the first end of the first beam body has a second connecting hole, the second pier has a third connecting hole and a fourth connecting hole, the second end of the first beam body has a fifth connecting hole, the first end of the second beam body has a sixth connecting hole, the third pier has a seventh connecting hole, and the second end of the second beam body has an eighth connecting hole.

[0025] The monorail bridge further comprises:

[0026] A first connecting piece is inserted into the first connecting hole and the second connecting hole; the first end of the first beam body is fixedly connected with the first pier through the first connecting piece.

[0027] The second connector is inserted into the third and fifth connecting holes; the second end of the first beam is fixedly connected to the second pier through the second connector.

[0028] The third connector is inserted into the fourth and sixth connecting holes; the second beam is fixedly connected to the second pier through the third connector.

[0029] The fourth connector is inserted into the seventh and eighth connecting holes; the second beam is movably connected to the third pier in the longitudinal direction of the second beam through the fourth connector.

[0030] In some embodiments, the modification method is used to convert a simply supported bridge into a monorail bridge.

[0031] The monorail bridge is a straddle-type monorail bridge, and the traveling equipment can travel on the top side of the beam of the monorail bridge; or, the monorail bridge is a suspended monorail bridge, and the traveling equipment can travel on the bottom side of the beam of the monorail bridge.

[0032] The length of the power unit of the driving device is less than or equal to the length of the beam.

[0033] In some embodiments, the power component of the driving device is the portion corresponding to the drive wheel of the driving device.

[0034] The monorail bridge in this embodiment includes: at least two beams, including a first beam and a second beam arranged adjacent to each other; at least three piers, wherein the first pier and the second pier arranged adjacent to each other support the first beam, and the second pier and the third pier arranged adjacent to each other support the second beam; the first beam is fixedly connected to the first pier and the second pier respectively; the second beam is fixedly connected to the second pier, and the second beam is movably connected to the third pier in the longitudinal direction of the second beam, and the second beam can move relative to the third pier in the longitudinal direction of the second beam; the deformation caused by the traction force of the traveling equipment can be shared by the first pier and the second pier, greatly reducing the deformation of one pier and improving the traveling comfort of the traveling equipment. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of an optional structure of a monorail bridge in an embodiment of this application;

[0036] Figure 2 This is an optional force diagram of a monorail bridge in an embodiment of this application;

[0037] Figure 3 This is an optional force diagram of a monorail bridge in an embodiment of this application;

[0038] Figure 4 This is a schematic diagram of an optional structure of a monorail bridge in an embodiment of this application;

[0039] Figure 5 This is a schematic diagram of an optional structure of a monorail bridge in an embodiment of this application;

[0040] Figure 6 This is a schematic diagram of an optional temperature span of a monorail bridge in an embodiment of this application;

[0041] Figure 7 A schematic diagram of an optional temperature span for a continuous beam system;

[0042] Figure 8 This is an optional force diagram of a monorail bridge in an embodiment of this application;

[0043] Figure 9 This is an optional force diagram of a monorail bridge in an embodiment of this application.

[0044] Reference numerals: 110, first beam; 120, second beam; 210, first pier; 220, second pier; 230, third pier; 300, traveling equipment. Detailed Implementation

[0045] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

[0047] In the embodiments described in this application, it should be noted that, unless otherwise stated and limited, the term "connection" should be interpreted broadly. For example, it can be an electrical connection, or a connection between two internal components. It can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above term according to the specific circumstances.

[0048] It should be noted that the terms "first," "second," and "third" used in the embodiments of this application are merely used to distinguish similar objects and do not represent a specific ordering of objects. It is understood that "first," "second," and "third" can be interchanged in a specific order or sequence where permitted. It should be understood that the objects distinguished by "first," "second," and "third" can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in an order other than those illustrated or described herein.

[0049] The following combination Figures 1 to 7 The monorail bridge described in the embodiments of this application will be described in detail.

[0050] like Figure 1 As shown, the monorail bridge includes at least two beams and at least three piers. The at least two beams include a first beam 110 and a second beam 120 arranged adjacent to each other. Among the at least three piers, a first pier 210 and a second pier 220 arranged adjacent to each other support the first beam 110, and a second pier 220 and a third pier 230 arranged adjacent to each other support the second beam 120. The first beam 110 is fixedly connected to both the first pier 210 and the second pier 220. The second beam 120 is fixedly connected to the second pier 220, and the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120. The second beam 120 can be movably connected relative to the third pier 230 at the specified angle. The longitudinal movement of the two beams 120; when the traveling equipment 300 travels on the first beam 110, the traction force of the traveling equipment 300 can be shared by the first pier 210 and the second pier 220, so that the deformation caused by the traction force of the traveling equipment 300 can be shared by the first pier 210 and the second pier 220, which greatly reduces the deformation of one pier and improves the travel comfort of the traveling equipment 300; at the same time, if the deformation of the piers is set to the same amount, the first pier 210 and the second pier 220 can be set to be smaller, which can greatly reduce the volume of the monorail bridge.

[0051] In this embodiment, the type of monorail bridge is not limited. For example, the monorail bridge can be a straddle-type monorail bridge, in which case the traveling device 300 can travel on the top side of the beam of the monorail bridge. As another example, the monorail bridge can be a suspended monorail bridge, in which case the traveling device 300 can travel on the bottom side of the beam of the monorail bridge, such as... Figure 4 and Figure 5 As shown.

[0052] Here, the power component of the driving device 300 refers to the portion corresponding to the drive wheels of the driving device 300. For example, if the front wheels of the driving device 300 are drive wheels, the area corresponding to the front wheels of the driving device 300 is the power component of the driving device 300. Similarly, if the rear wheels of the driving device 300 are drive wheels, the area corresponding to the rear wheels of the driving device 300 is the power component of the driving device 300. Furthermore, if both the front and rear wheels of the driving device 300 are drive wheels, the area corresponding to the front wheels of the driving device 300 is the first power component of the driving device 300; the area corresponding to the rear wheels of the driving device 300 is the second power component of the driving device 300; and the area formed between the first and second power components of the driving device 300 is the power component of the driving device 300.

[0053] Here, the length of the power unit of the driving device 300 is not limited.

[0054] For example, the length of the power unit of the traveling device 300 is less than or equal to the length of the beam, so that the power of the traveling device 300 is carried by a beam. Here, the power of the traveling device 300 can be either the traction force or the braking force of the traveling device 300.

[0055] In the embodiments of this application, the structure of the beam is not limited. For example, the beam can be a strip structure.

[0056] The cross-sectional shape of the beam is not limited here. For example, the cross-sectional shape of the beam can be rectangular or square. Of course, the cross-sectional shape of the beam can also be irregular.

[0057] The number of beams is not limited here. Those skilled in the art can determine the number of beams based on the length of the monorail bridge.

[0058] Here, the first beam 110 and the second beam 120 are used to represent two adjacent beams in a monorail bridge. The structure of the first beam 110 and the structure of the second beam 120 can be the same or different.

[0059] Here, the distance between the first beam 110 and the second beam 120 is not limited. For example, the first beam 110 and the second beam 120 can be arranged at intervals. Of course, since the first beam 110 and the second beam 120 are respectively fixedly connected to the second pier 220, the first beam 110 and the second beam 120 can also contact each other, thereby reducing the installation space between the first beam 110 and the second beam 120.

[0060] In the embodiments of this application, the structure of the pier is not limited. For example, the pier can be a strip-shaped structure.

[0061] Here, the cross-sectional shape of the pier is not limited. For example, the cross-sectional shape of the beam can be rectangular, square, or circular. Of course, the cross-sectional shape of the pier can also be irregular.

[0062] The number of piers is not limited here. Those skilled in the art can determine the number of piers based on the number of beams.

[0063] Here, the first pier 210, the second pier 220, and the third pier 230 represent three adjacent piers in a monorail bridge. The structures of the first pier 210, the second pier 220, and the third pier 230 can be the same or different. It should be noted that the third pier 230 can also be the first pier 210 in another set of first piers 210, second piers 220, and third piers 230.

[0064] Here, the method of fixing the first beam 110 and the first pier 210 is not limited. For example, the first beam 110 and the first pier 210 can be fixedly connected by concrete and steel bars. Another example is that the first beam 110 and the first pier 210 can be fixedly connected by supports. Yet another example is that the first beam 110 and the first pier 210 can be fixedly connected by pins.

[0065] Here, the position where the first pier 210 is fixedly connected to the first beam 110 is not limited. For example, the first pier 210 is fixedly connected to the first end of the first beam 110, and the first pier 210 is used to support the first end of the first beam 110. Of course, the first pier 210 can also be fixedly connected to the middle of the first beam 110.

[0066] Here, the implementation method of the fixed connection between the first beam 110 and the second pier 220 is similar to the implementation method of the fixed connection between the first beam 110 and the first pier 210 described above, and will not be repeated here.

[0067] Here, the implementation method of the fixed connection between the second beam 120 and the second pier 220 is similar to the implementation method of the fixed connection between the first beam 110 and the first pier 210, and will not be described in detail here.

[0068] Here, the position where the second pier 220 is fixedly connected to the first beam 110 is not limited. For example, the second pier 220 is fixedly connected to the second end of the first beam 110, and the second pier 220 is used to support the second end of the first beam 110. Of course, the second pier 220 can also be fixedly connected to the middle of the first beam 110.

[0069] Here, the position where the second pier 220 is fixedly connected to the second beam 120 is not limited. For example, the second pier 220 is fixedly connected to the first end of the second beam 120, and the second pier 220 is used to support the first end of the second beam 120. Of course, the second pier 220 can also be fixedly connected to the middle of the second beam 120.

[0070] Here, the implementation method of the movable connection between the second beam 120 and the third pier 230 in the longitudinal direction of the second beam 120 is not limited, as long as the second beam 120 can move relative to the third pier 230 in the longitudinal direction of the second beam 120. It should be noted that by the movable connection between the second beam 120 and the third pier 230 in the longitudinal direction of the second beam 120, the force caused by temperature deformation in the longitudinal direction of the second beam 120 can be released based on the movement of the second beam 120 relative to the third pier 230; at this time, the temperature span of the monorail bridge is 2L, such as... Figure 6 As shown; while the temperature span of the continuous beam structure is 3L, as... Figure 7 As shown, L is the distance between the two piers. The temperature span of the monorail bridge in this application is shorter than that of the continuous beam structure, which reduces the expansion and contraction caused by temperature bending, making the design and construction of expansion joints easier. At the same time, the discontinuous structure of the monorail bridge in this application makes it easier to hoist and erect the entire span compared to the continuous beam structure, which requires segmented transportation and on-site assembly.

[0071] For example, the top side of the third pier 230 has two protrusions, and a second groove is formed between the two protrusions. The second beam 120 is engaged in the second groove and can slide within the second groove. Here, the protrusions can be formed by concrete and steel bars, or they can be formed by steel blocks.

[0072] Here, the position where the third pier 230 is movably connected to the second beam 120 is not limited. For example, the third pier 230 is movably connected to the second end of the second beam 120; the third beam is used to support the second end of the second beam 120. Of course, the second pier 220 can also be movably connected to the middle of the second beam 120.

[0073] It should be noted that the first pier 210 is fixedly connected to the first end of the first beam 110, and the first pier 210 is used to support the first end of the first beam 110; the second pier 220 is fixedly connected to the second end of the first beam 110, and the second pier 220 is used to support the second end of the first beam 110; the second pier 220 is fixedly connected to the first end of the second beam 120, and the second pier 220 is used to support the first end of the second beam 120; the third pier 230 is movably connected to the second end of the second beam 120; when the third beam is used to support the second end of the second beam 120, the first beam 110 and the second beam 120 of the same length can form a longer monorail bridge.

[0074] In this embodiment of the application, since the first beam 110 is fixedly connected to the first pier 210 and the second pier 220 respectively, the first pier 210, the second pier 220 and the first beam 110 form an integrated load-bearing structure; so that the first pier 210, the second pier 220 and the first beam 110 share the load, thereby improving the deformation resistance of the monorail bridge.

[0075] In this embodiment of the application, the monorail bridge is used to support the traveling equipment 300; such as Figure 2 and Figure 4 As shown, when the driving device 300 is supported by the first beam 110, that is, the driving force of the driving device 300 is mainly supported by the first beam 110, the first pier 210 and the second pier 220 are used to support the traction or braking force of the driving device 300; the first pier 210 and the second pier 220 can jointly bear the traction or braking force of the driving device 300, so that the deformation caused by the traction or braking force of the driving device 300 can be shared by the first pier 210 and the second pier 220, which greatly reduces the deformation of one pier and improves the driving comfort of the driving device 300; for example Figure 3 and Figure 5As shown, when the traveling device 300 is supported by the second beam 120, that is, the driving force of the traveling device 300 is mainly supported by the second beam 120, the integrated force-bearing structure is used to bear the traction or braking force of the traveling device 300; it can also share the traction or braking force of the traveling device 300 through the first pier 210 and the second pier 220, so that the deformation caused by the traction or braking force of the traveling device 300 can be shared by the first pier 210 and the second pier 220, which greatly reduces the deformation of a single pier and improves the driving comfort of the traveling device 300; at the same time, if the deformation of the piers is set to the same amount, the first pier 210 and the second pier 220 can be set to be smaller, which can greatly reduce the volume of the monorail bridge. Figure 2 and Figure 3 In this context, F represents traction or braking force, and Nx represents the force that the pier bears.

[0076] In some optional implementations of the embodiments of this application, the first beam 110 is fixedly connected to the first pier 210 via a first seat; the first beam 110 is fixedly connected to the second pier 220 via a second seat; the second beam 120 is fixedly connected to the second pier 220 via a third seat; and the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120 via a fourth seat.

[0077] In this implementation, the first base, the second base, and the third base are all fixed connecting bases. The structures of the first base, the second base, and the third base can be the same or different.

[0078] In this implementation, the fourth seat is a movable connecting seat. The structure of the fourth seat is not limited.

[0079] For example, the fourth seat has a first groove; the second end of the second beam 120 is engaged in the first groove, and the second beam can move in the first groove in the longitudinal direction of the second beam 120; so that the second beam 120 can move relative to the third pier 230 in the longitudinal direction of the second beam 120 through the first groove of the fourth seat.

[0080] In this example, the structure of the fourth support is not limited. For example, the fourth support can be a reinforced concrete structure. Alternatively, the fourth support can be a steel structure.

[0081] In this implementation, the cross-sectional shape of the first chute is not limited. For example, the cross-sectional shape of the first chute can be circular, and correspondingly, the cross-section of the second end of the second beam 120 is also circular. Alternatively, the cross-sectional shape of the first chute can also be rectangular, and correspondingly, the cross-section of the second end of the second beam 120 is also rectangular.

[0082] In some optional implementations of the embodiments of this application, the first pier 210 has a first connecting hole, the first end of the first beam 110 has a second connecting hole, the second pier 220 has a third connecting hole and a fourth connecting hole, the second end of the first beam 110 has a fifth connecting hole, the first end of the second beam 120 has a sixth connecting hole, the third pier 230 has a seventh connecting hole, and the second end of the second beam 120 has an eighth connecting hole; the monorail bridge may further include: a first connecting member, a second connecting member, a third connecting member, and a fourth connecting member. The first connector is inserted into the first connecting hole and the second connecting hole; the first end of the first beam 110 is fixedly connected to the first pier 210 through the first connector; the second connector is inserted into the third connecting hole and the fifth connecting hole; the second end of the first beam 110 is fixedly connected to the second pier 220 through the second connector; the third connector is inserted into the fourth connecting hole and the sixth connecting hole; the second beam 120 is fixedly connected to the second pier 220 through the third connector; the fourth connector is inserted into the seventh connecting hole and the eighth connecting hole; the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120 through the fourth connector.

[0083] In this implementation, the cross-sectional shape of the first connecting hole is not limited. For example, the cross-sectional shape of the first connecting hole can be circular or rectangular.

[0084] In this implementation, the cross-sectional shape of the second connecting hole is not limited. For example, the cross-sectional shape of the second connecting hole can be circular or rectangular. The cross-sectional shape of the second connecting hole can be the same as or different from that of the first connecting hole.

[0085] In this implementation, the first connector can be a strip-shaped structure. The cross-sectional shape of the first connector is not limited. For example, the cross-sectional shape of the first connector can be circular or rectangular. As an example, the first connector is a pin structure.

[0086] It should be noted that the shape of the portion of the first connector inserted into the first connecting hole matches the shape of the first connecting hole, and the shape of the portion of the first connector inserted into the second connecting hole matches the shape of the second connecting hole, so that the first end of the first beam 110 is fixedly connected to the first pier 210 through the first connector.

[0087] In this implementation, the third and fourth connecting holes are similar to the first connecting hole, the fifth and sixth connecting holes are similar to the second connecting hole, and the second and third connecting parts are similar to the first connecting part, which will not be described again here.

[0088] In this implementation, the cross-sectional shape of the seventh connecting hole is not limited. For example, the cross-sectional shape of the seventh connecting hole can be circular or rectangular.

[0089] In this implementation, the cross-sectional shape of the eighth connecting hole is not limited. For example, the cross-sectional shape of the second connecting hole can be circular or rectangular. The cross-sectional shape of the eighth connecting hole can be the same as or different from that of the seventh connecting hole.

[0090] In this implementation, the fourth connector can be a strip-shaped structure. The cross-sectional shape of the fourth connector is not limited. For example, the cross-sectional shape of the fourth connector can be circular or rectangular. As an example, the fourth connector is a pin structure.

[0091] In this implementation, the method by which the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120 via the fourth connector is not limited. For example, the shape of the portion of the fourth connector inserted into the seventh connecting hole matches the shape of the seventh connecting hole, so that the fourth connector is fixedly connected to the third pier 230; the portion of the fourth connector inserted into the eighth connecting hole can move within the eighth connecting hole, so that the fourth connector is movably connected to the second beam 120.

[0092] The monorail bridge of this application embodiment includes: at least two beams, including a first beam 110 and a second beam 120 arranged adjacent to each other; at least three piers, wherein a first pier 210 and a second pier 220 arranged adjacent to each other are used to support the first beam 110, and a second pier 220 and a third pier 230 arranged adjacent to each other are used to support the second beam 120; the first beam 110 is fixedly connected to the first pier 210 and the second pier 220 respectively; the second beam 120 is fixedly connected to the second pier 220, and the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120, and the second beam 120 can move relative to the third pier 230 in the longitudinal direction of the second beam 120; wherein the first direction and the length direction of the second beam 120 satisfy the parallel condition. When the traveling device 300 travels on the first beam 110, the traction force of the traveling device 300 can be shared by the first pier 210 and the second pier 220. This allows the deformation caused by the traction force of the traveling device 300 to be shared by the first pier 210 and the second pier 220, greatly reducing the deformation of a single pier and improving the travel comfort of the traveling device 300. At the same time, if the deformation of the piers is the same, the first pier 210 and the second pier 220 can be set to be smaller, which can greatly reduce the volume of the monorail bridge.

[0093] This application also describes a method for modifying a simply supported bridge, wherein the simply supported bridge includes at least two beams and at least three piers. At least two beams include a first beam 110 and a second beam 120 spaced apart; adjacent first piers 210 and second piers 220 of the at least three piers support the first beam 110, and adjacent second piers 220 and third piers 230 of the at least three piers support the second beam 120; the first beam 110 is fixedly connected to the first pier 210, and movably connected to the second pier 220, and the first beam 110 is movable relative to the second pier 220 in the longitudinal direction of the first beam 110; the second beam 120 is fixedly connected to the second pier 220, and movably connected to the third pier 230, and the second beam 120 is movable relative to the third pier 230 in the longitudinal direction of the second beam 120; the modification method includes: fixing the first beam 110 and the second pier 220 together; so as to modify the simply supported bridge into the monorail bridge of the present application described above.

[0094] In this embodiment of the application, the simply supported bridge is also a single-track bridge.

[0095] In the embodiments of this application, the beam, the first beam 110, the second beam 120, the pier, the first pier 210, the second pier 220 and the third pier 230 have been described above, and will not be repeated here.

[0096] Here, the difference between the simply supported bridge and the aforementioned monorail bridge is that both the first beam 110 and the second beam 120 are fixed at one end and movable at the other end; for example... Figure 8 As shown, when the traveling device 300 travels on the first beam 110, the first pier 210 can bear the traction or braking force of the traveling device 300; for example... Figure 9 As shown, when the traveling device 300 travels on the second beam 120, the second pier 220 can bear the traction or braking force of the traveling device 300; that is, the simply supported bridge always bears the traction or braking force of the traveling device 300 on one pier; wherein, in Figure 8 and Figure 9 In this context, F represents traction or braking force, and Nx represents the force that the pier bears.

[0097] It should be noted that since both the first beam 110 and the second beam 120 are fixed at one end and movable at the other end, there is a gap between the first beam 110 and the second beam 120.

[0098] Here, with the first beam 110 and the second pier 220 fixedly connected, a simply supported bridge can be transformed into the monorail bridge described in this application. When the traveling device 300 travels on the first beam 110, the first pier 210 and the second pier 220 can jointly bear the traction or braking force of the traveling device 300. This allows the deformation caused by the traction or braking force of the traveling device 300 to be shared by the first pier 210 and the second pier 220, greatly reducing the deformation of one pier and improving the travel comfort of the traveling device 300. At the same time, if the deformation of the same pier is set, the first pier 210 and the second pier 220 can both be set to be smaller, which can greatly reduce the volume of the monorail bridge. Furthermore, since the first beam 110 is fixedly connected to the first pier 210 and the second pier 220 respectively, the first pier 210, the second pier 220, and the first beam 110 form an integrated load-bearing structure; this allows the first pier 210, the second pier 220, and the first beam 110 to share the load, improving the deformation resistance of the monorail bridge. When the traveling device 300 is supported by the second beam 120, meaning the driving force of the traveling device 300 is mainly supported by the second beam 120, the traction or braking force of the traveling device 300 can also be shared by the first pier 210 and the second pier 220. This allows the deformation caused by the traction or braking force of the traveling device 300 to be shared by the first pier 210 and the second pier 220, greatly reducing the deformation of a single pier and improving the driving comfort of the traveling device 300.

[0099] In this embodiment, the way in which the first beam 110 and the second pier 220 are movably connected is similar to the way in which the second beam 120 and the third pier 230 are movably connected in the longitudinal direction of the second beam 120, and will not be described again here.

[0100] Here, the longitudinal direction of the first beam 110 can be the length direction of the first beam 110, or it can be approximately the length direction of the first beam 110.

[0101] Here, the longitudinal direction of the second beam 120 can be the length direction of the second beam 120, or it can be approximately the length direction of the second beam 120.

[0102] In this embodiment, the method of fixing the first beam 110 and the second pier 220 is not limited.

[0103] For example, the movable connecting seat between the first beam 110 and the second pier 220 can be replaced with a fixed connecting seat; that is, the first beam 110 and the second pier 220 are movably connected based on the movable connecting seat, and the first beam 110 and the second pier 220 are fixedly connected based on the fixed connecting seat.

[0104] For example, the first pier 210 has a first connecting hole, the first end of the first beam 110 has a second connecting hole, the second pier 220 has a third and a fourth connecting hole, the second end of the first beam 110 has a fifth connecting hole, the first end of the second beam 120 has a sixth connecting hole, the third pier 230 has a seventh connecting hole, and the second end of the second beam 120 has an eighth connecting hole; the monorail bridge may also include: a first connector, a second connector, a third connector, and a fourth connector. The first connector is inserted into the first connecting hole and the second connecting hole; the first end of the first beam 110 is fixedly connected to the first pier 210 through the first connector; the second connector is inserted into the third connecting hole and the fifth connecting hole; the second end of the first beam 110 is movably connected to the second pier 220 in the longitudinal direction of the first beam 110 through the second connector; the third connector is inserted into the fourth connecting hole and the sixth connecting hole; the second beam 120 is fixedly connected to the second pier 220 through the third connector; the fourth connector is inserted into the seventh connecting hole and the eighth connecting hole; the second beam 120 is movably connected to the third pier 230 in the longitudinal direction of the second beam 120 through the fourth connector.

[0105] The first connecting hole, second connecting hole, fourth connecting hole, sixth connecting hole, seventh connecting hole, eighth connecting hole, first connecting member, third connecting member and fourth connecting member have been described above, and will not be repeated here.

[0106] In this example, the second end of the first beam 110 is movably connected to the second pier 220 in the longitudinal direction of the first beam 110 via the second connector, similar to the second beam 120 being movably connected to the third pier 230 in the longitudinal direction of the second beam 120 via the fourth connector.

[0107] As an example, the shape of the portion of the second connector inserted into the third connecting hole matches the shape of the third connecting hole, so that the second connector is fixedly connected to the second pier 220; the portion of the second connector inserted into the fifth connecting hole can move within the fifth connecting hole, so that the second connector is movably connected to the second beam 120; here, fixing the connection between the first beam 110 and the second pier 220 may include: filling the gap between the fifth connecting hole and the second connector with a fixing member, so that the first beam 110 and the second pier 220 are fixedly connected.

[0108] Here, the structure of the fastener is not limited, as long as it ensures that the first beam 110 does not move relative to the second pier 220. For example, the fastener can be a steel plate. Or, for example, the fastener can be a steel bar.

[0109] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A method for modifying a simply supported bridge, characterized in that, The simply supported bridge includes: At least two beams, including a first beam and a second beam spaced apart; At least three piers, wherein adjacent first and second piers among the at least three piers are used to support the first beam, and adjacent second and third piers among the at least three piers are used to support the second beam; The first beam is fixedly connected to the first pier, the first beam is movably connected to the second pier, and the first beam can move relative to the second pier in the longitudinal direction of the first beam. The second beam is fixedly connected to the second pier, and the second beam is movably connected to the third pier, and the second beam can move relative to the third pier in the longitudinal direction of the second beam. The modification method includes: The first beam and the second pier are fixedly connected.

2. The modification method according to claim 1, characterized in that, The aforementioned modification method is used to convert a simply supported bridge into a single-track bridge. The monorail bridge is used to support traveling equipment; When the traveling device is supported by the first beam, the first pier and the second pier are used to jointly bear the traction or braking force of the traveling device. When the traveling device is supported by the second beam, the first pier and the second pier are used to jointly bear the traction or braking force of the traveling device.

3. The modification method according to claim 1, characterized in that, The first beam and the second beam are spaced apart or in contact.

4. The modification method according to claim 1, characterized in that, The first pier is fixedly connected to the first end of the first beam, and the first pier is used to support the first end of the first beam; the second pier is fixedly connected to the second end of the first beam, and the second pier is used to support the second end of the first beam. The second pier is fixedly connected to the first end of the second beam, and the second pier is used to support the first end of the second beam; the third pier is movably connected to the second end of the second beam in the longitudinal direction of the second beam; the third pier is used to support the second end of the second beam.

5. The modification method according to claim 1, characterized in that, The first beam is fixedly connected to the first pier via a first seat; the first beam is fixedly connected to the second pier via a second seat; the second beam is fixedly connected to the second pier via a third seat; the second beam is movably connected to the third pier via a fourth seat in the longitudinal direction of the second beam.

6. The modification method according to claim 5, characterized in that, The fourth seat has a first sliding groove; The second end of the second beam is engaged in the first groove, and the second beam can move in the longitudinal direction of the second beam within the first groove.

7. The modification method according to claim 1, characterized in that, The aforementioned modification method is used to convert a simply supported bridge into a single-track bridge. The first pier has a first connecting hole, the first end of the first beam has a second connecting hole, the second pier has a third connecting hole and a fourth connecting hole, the second end of the first beam has a fifth connecting hole, the first end of the second beam has a sixth connecting hole, the third pier has a seventh connecting hole, and the second end of the second beam has an eighth connecting hole. The monorail bridge also includes: The first connector is inserted into the first connecting hole and the second connecting hole; the first end of the first beam is fixedly connected to the first pier through the first connector. The second connector is inserted into the third and fifth connecting holes; the second end of the first beam is fixedly connected to the second pier through the second connector. The third connector is inserted into the fourth and sixth connecting holes; the second beam is fixedly connected to the second pier through the third connector. The fourth connector is inserted into the seventh and eighth connecting holes; the second beam is movably connected to the third pier in the longitudinal direction of the second beam through the fourth connector.

8. The modification method according to any one of claims 1 to 7, characterized in that, The aforementioned modification method is used to convert a simply supported bridge into a single-track bridge. The monorail bridge is a straddle-type monorail bridge, and the traveling equipment can travel on the top side of the beam of the monorail bridge; or, the monorail bridge is a suspended monorail bridge, and the traveling equipment can travel on the bottom side of the beam of the monorail bridge. The length of the power unit of the driving device is less than or equal to the length of the beam.

9. The modification method according to claim 8, characterized in that, The power component of the driving device is the part corresponding to the drive wheel of the driving device.

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