Bridge deck slab rapid replacement equipment
By designing a bridge deck rapid replacement device, and utilizing the combination of main supports and beam assemblies, rapid replacement of bridge decks was achieved, solving the problems of traffic disruption and low safety in existing technologies, and providing a fast and safe bridge deck replacement solution.
Patent Information
- Application Number
- CN202520053060.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing bridge deck replacement technologies disrupt traffic during urban construction, and crane lifting requires large construction spaces, resulting in low safety and poor applicability.
Design a bridge deck rapid replacement device, including a main support, a beam assembly, and a lifting device. The main support is set along the bridge's travel direction, the beam assembly consists of a front beam and a rear beam, and the lifting device is used to lift old or new slabs. The bridge deck is replaced using an adjacent bridge, the construction speed is fast, and it does not affect traffic under the beam.
It enables rapid replacement of bridge deck panels, with fast construction speed, no impact on traffic under the beams, and has good beam replacement construction capabilities in urban areas, meeting the requirements of existing construction space.
Smart Images
Figure CN223675185U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge deck replacement technical field especially relates to a bridge deck slab quick replacement equipment. BACKGROUND
[0002] With the continuous development of urbanization, the number and total length of highway bridges in the country continue to grow, accompanied by the continuous emergence of old and dangerous bridges. Bridge damage is divided into bridge deck damage, bridge support damage and bridge pier damage. Among them, bridge deck damage is a common bridge damage mode. The number of overpass railway and highway bridges and underpass existing railway projects is increasing. Overpass existing railway beam replacement and underpass existing railway road construction have become the difficulties of beam replacement construction. The construction equipment used in the past is to set up a support under the beam, replace the old beam, or use a crane for hoisting, dismounting and installing.
[0003] However, the method of setting up a support under the beam will affect the transportation under the beam, and will seriously affect the traffic and cause line breakage during construction in the city. The hoisting method using a crane requires a large construction space and has low construction safety. The upper clearance of the bridge deck panel being replaced must be completely cleaned, so the adaptability is not good. SUMMARY
[0004] The purpose of the utility model is to provide a bridge deck panel quick replacement equipment which uses a bridge deck panel of a temporary line bridge and has fast construction speed without affecting the traffic under the beam.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] A bridge deck panel quick replacement equipment comprises:
[0007] A main support comprises a main beam and a front leg and a rear leg respectively installed at both ends of the main beam in the length direction, the main beam is arranged along the driving direction of the bridge, and the front leg and the rear leg are erected on the bridge;
[0008] A beam group comprises a front beam and a rear beam, the front beam and the rear beam are installed on the main beam in the length direction and arranged perpendicularly to the driving direction of the bridge, both ends of the front beam in the length direction are respectively provided with a first support frame and a second support frame, both ends of the rear beam in the length direction are respectively provided with a first support frame and a second support frame, and the first support frame and the second support frame can drive the main support to move perpendicularly to the driving direction of the bridge;
[0009] A lifting appliance comprises a front beam lifting appliance and a rear beam lifting appliance, the front beam lifting appliance and the rear beam lifting appliance are respectively slidably installed on the front beam and the rear beam, and the front beam lifting appliance and the rear beam lifting appliance are configured to lift an old panel or a new panel.
[0010] Preferably, the bottom of the first support frame and the second support frame is provided with a wheel system, and the wheel system comprises a plurality of universal wheels.
[0011] Preferably, the beam group further comprises a front connecting member and a rear connecting member, the top of the front connecting member is slidingly connected to the main beam along the length direction of the main beam, and the top of the rear connecting member is slidingly connected to the main beam along the length direction of the main beam.
[0012] Preferably, the main beam is provided with a main track along the length direction thereof, and the top of the front connecting member and the top of the rear connecting member are slidingly connected to the two sides of the main track.
[0013] Preferably, the bottom of the front beam and the bottom of the rear beam are provided with a secondary track along the length direction thereof, and a first clamping member and a second clamping member are slidingly connected to the secondary track, respectively, and the front beam hanger and the rear beam hanger are installed on the first clamping member and the second clamping member, respectively.
[0014] Preferably, the beam group further comprises two auxiliary legs, and the two auxiliary legs are installed on the front beam and the rear beam, respectively, the auxiliary leg comprises a connecting portion and a supporting portion, the top of the connecting portion is connected to the front beam or the rear beam, the supporting portion is inserted into the connecting portion from the bottom of the connecting portion, the length of the supporting portion extending into the connecting portion is adjustable, and the end of the supporting portion away from the connecting portion can be supported on the bridge.
[0015] Preferably, one of the auxiliary legs is adjustably connected to the front beam, and the other auxiliary leg is adjustably connected to the rear beam.
[0016] Preferably, the auxiliary leg further comprises a reinforcing portion, the reinforcing portion comprises a first reinforcing rod and a second reinforcing rod arranged at an angle, one end of the first reinforcing rod and one end of the second reinforcing rod are connected to the connecting portion in a vertical direction, the other end of the first reinforcing rod is connected to the other end of the second reinforcing rod and is installed on the front beam or the rear beam.
[0017] Preferably, the bridge deck panel quick replacement equipment further comprises a girder carriage, the girder carriage is placed on the bridge along the driving direction of the bridge, and the girder carriage is configured to move the old panel or the new panel.
[0018] Preferably, the first support frame and the second support frame are triangular or rectangular, the bottom width of the first support frame is not less than the top width, the bottom width of the second support frame is not less than the top width, the first support frame is parallel to the second support frame, and the plane on which the first support frame is located is parallel to the driving direction of the bridge.
[0019] The utility model discloses a beneficial effect:
[0020] The utility model provides a kind of bridge deck slab quick replacement equipment, including main support, beam group and sling, main support includes main beam and the front outrigger and rear outrigger of being respectively installed in the length direction both ends of main beam, main beam is arranged along bridge driving direction, and front outrigger and rear outrigger are erected on bridge, and beam group includes front beam and rear beam, and front beam and rear beam are installed in main beam along the length direction of main beam, and front beam and rear beam are arranged along the driving direction perpendicular to bridge, and the both ends of front beam length direction are equipped with first support frame and second support frame respectively, and the both ends of rear beam length direction are equipped with first support frame and second support frame respectively, and sling includes front beam sling and rear beam sling, and front beam sling and rear beam sling are slidably installed in front beam and rear beam, and front beam sling and rear beam sling are configured as old plate or new plate are lifted;In a kind of bridge deck slab quick replacement equipment, front outrigger and rear outrigger are erected on the bridge deck slab or beam pier of single-line bridge, when replacing the bridge deck slab of bridge outer side, first support frame and second support frame are supported on the bridge deck slab of single-line bridge, and front beam sling and rear beam sling are lifted, and front beam sling and rear beam sling are moved along front beam and rear beam respectively, to move bridge deck slab, when replacing the bridge deck slab of bridge inner side, first support frame and second support frame can all drive main support to walk along the driving direction perpendicular to bridge, to make first support frame support on the bridge deck slab of single-line bridge, and second support frame support on the bridge deck slab of temporary line bridge, a kind of bridge deck slab quick replacement equipment provided by the utility model replaces bridge deck slab using temporary line bridge, and construction speed is fast, does not need to be arranged support at bridge bottom, does not affect under-beam vehicle, has good urban inner beam replacement construction capacity, can meet existing construction space simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the structure schematic of a kind of bridge deck slab quick replacement equipment provided by the utility model embodiment Figure 1 ;
[0022] Figure 2 It is the structure schematic of a kind of bridge deck slab quick replacement equipment provided by the utility model embodiment Figure 2 ;
[0023] Figure 3 It is the working condition of a kind of bridge deck slab quick replacement equipment provided by the utility model embodiment to replace outer bridge deck slab Figure 1 ;
[0024] Figure 4 It is the working condition of a kind of bridge deck slab quick replacement equipment provided by the utility model embodiment to replace outer bridge deck slab Figure 2 ;
[0025] Figure 5 It is the working condition diagram of a kind of bridge deck slab quick replacement equipment provided by the utility model embodiment to replace inner bridge deck slab;
[0026] Figure 6 is a bridge deck slab quick replacement equipment construction influence diagram of a downlink vehicle provided by the embodiment of the utility model.
[0027] In the drawings:
[0028] 11, main beam; 111, main track; 12, front support leg; 13, rear support leg; 21, front beam; 22, rear beam; 23, first support frame; 24, second support frame; 25, first clamping piece; 26, second clamping piece; 27, wheel system; 28, auxiliary support leg; 281, connecting part; 282, supporting part; 283, reinforcing part; 2831, first reinforcing rod; 2832, second reinforcing rod; 31, front beam hoist; 32, rear beam hoist; 4, piggyback beam vehicle. DETAILED DESCRIPTION
[0029] The utility model will be further explained in detail in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0030] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0032] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0033] The present embodiment provides a bridge deck slab rapid replacement device, which has a fast construction speed, can walk perpendicular to the driving direction of the bridge, thereby replacing the bridge deck slab by using the adjacent bridge, does not need to arrange supports at the bottom of the bridge, does not affect the traffic under the bridge, has good urban bridge replacement construction capacity, and can meet the existing construction space.
[0034] Please refer to Figures 1-6 The bridge deck slab rapid replacement device provided by the present embodiment comprises a main support, a beam group, a lifting appliance, and a beam carrying vehicle 4. The main support is erected on the bridge deck slab or the pier along the driving direction of the bridge. The beam group is installed on the main support and is supported by a single-line bridge or a double-line bridge. The beam group can drive the main support to walk perpendicular to the driving direction of the bridge, thereby switching between the single-line bridge support and the double-line bridge support. The lifting appliance is installed on the beam group. The beam carrying vehicle 4 is placed on the bridge along the driving direction of the bridge and is used to move the old slab or the new slab. When the old slab is removed, the old slab is lifted by the lifting appliance, is further moved along the beam group, and is placed on the beam carrying vehicle 4, which is transported by the beam carrying vehicle 4. When the new slab is installed, the new slab is transported to the designated position by the beam carrying vehicle 4 and is lifted by the lifting appliance. The lifting appliance is moved along the beam group to the installation position and releases the new slab.
[0035] Through the above structure, when the bridge deck slab on the outer side of the bridge is replaced, the beam group is supported by the single-line bridge. When the bridge deck slab on the inner side of the bridge is replaced, the beam group drives the main support to walk perpendicular to the driving direction of the bridge, and then the beam group is supported by the double-line bridge. The characteristics of the adjacent bridge are fully utilized, the traffic under the bridge is not affected, and the existing construction space can be met.
[0036] Specifically, please refer to Figure 1 and Figure 2 The main support comprises a main beam 11, a front support leg 12, and a rear support leg 13. The main beam 11 is arranged along the driving direction of the bridge. The front support leg 12 and the rear support leg 13 are respectively installed at both ends of the length direction of the main beam 11. The front support leg 12 and the rear support leg 13 are erected on the bridge. Optionally, the front support leg 12 and the rear support leg 13 are erected on the bridge deck slab or the pier.
[0037] Specifically, please refer to Figure 1The beam set comprises a front beam 21 and a rear beam 22, the front beam 21 and the rear beam 22 are installed on the main beam 11 in a length direction of the main beam 11, the front beam 21 and the rear beam 22 are arranged perpendicularly to a driving direction of the bridge, two ends of the front beam 21 in the length direction are respectively provided with a first support frame 23 and a second support frame 24, two ends of the rear beam 22 in the length direction are respectively provided with a first support frame 23 and a second support frame 24, and a corresponding first support frame 23 and a second support frame 24 are used for supporting the front beam 21 or the rear beam 22 on the bridge deck to prevent the front beam 21 or the rear beam 22 from overturning.
[0038] Preferably, the first support frame 23 and the second support frame 24 are triangular or rectangular, the bottom width of the first support frame 23 is not less than the top width, and the bottom width of the second support frame 24 is not less than the top width, so as to stably support the front beam 21 and the rear beam 22, and further preferably, the first support frame 23 is parallel to the second support frame 24, and a plane where the first support frame 23 is located is parallel to the driving direction of the bridge, so as to improve the support strength of the front beam 21 and the rear beam 22.
[0039] Adaptively, the lifting appliance comprises a front beam lifting device 31 and a rear beam lifting device 32, the front beam lifting device 31 and the rear beam lifting device 32 are respectively slidably installed on the front beam 21 and the rear beam 22, when the old plate is removed, the front beam lifting device 31 and the rear beam lifting device 32 simultaneously lift the old plate, move the old plate and place the old plate on the piggyback vehicle 4, when the new plate is installed, the front beam lifting device 31 and the rear beam lifting device 32 simultaneously lift the new plate on the piggyback vehicle 4, move the new plate and place the new plate at the installation position.
[0040] For example, referring to Figure 1 and Figure 2 , the embodiment provides a sliding connection structure of the front beam lifting device 31 and the front beam 21 and a sliding connection structure of the rear beam lifting device 32 and the rear beam 22. The bottom of the front beam 21 and the bottom of the rear beam 22 are respectively provided with a secondary track in a length direction of the front beam 21 and the rear beam 22, and a first clamping piece 25 and a second clamping piece 26 are respectively arranged on the two secondary tracks, the front beam lifting device 31 and the rear beam lifting device 32 are respectively arranged on the first clamping piece 25 and the second clamping piece 26, the first clamping piece 25 slides along the secondary track of the front beam 21 and drives the front beam lifting device 31 to slide, and the second clamping piece 26 slides along the secondary track of the rear beam 22 and drives the rear beam lifting device 32 to slide. Through the above structure, on the one hand, the sliding connection of the front beam lifting device 31 and the front beam 21 and the sliding connection of the rear beam lifting device 32 and the rear beam 22 are realized, and on the other hand, the front beam lifting device 31 and the rear beam lifting device 32 are convenient to disassemble and replace after a long time of use.
[0041] Since the lengths of the bridge decks of different line bridges are different, the front beam 21 and the rear beam 22 are both slidingly connected to the main beam 11, and the vertical distance between the front beam hanger 31 and the rear beam hanger 32 is adjusted to adapt to bridge decks of different lengths. For example, the beam group further comprises a front connecting piece and a rear connecting piece, the top of the front connecting piece is slidingly connected to the main beam 11 along the length direction of the main beam 11, and the top of the rear connecting piece is slidingly connected to the main beam 11 along the length direction of the main beam 11. Preferably, referring to Figure 2 , the main beam 11 is provided with a main track 111 along the length direction thereof, and the top of the front connecting piece and the top of the rear connecting piece are both slidingly clamped on both sides of the main track 111, and further preferably, the main track 111 cooperates with the main beam 11 to form a convex shape, and the top of the front connecting piece and the top of the rear connecting piece are both provided with a concave groove, further improving the clamping strength and preventing falling off.
[0042] It should be noted that, referring to Figure 3 , when replacing the bridge deck on the outer side of the double-line bridge, the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 are supported on the bridge deck of the single-line bridge, and the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 are suspended, or the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 are supported on the bridge deck of the single-line bridge, and the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 are suspended; referring to Figure 5 , when replacing the bridge deck on the inner side of the double-line bridge, the first support frame 23 and the second support frame 24 drive the main support to walk perpendicularly to the driving direction of the bridge, so that the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 are supported on the bridge deck of the single-line bridge, and the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 are supported on the bridge deck of the single-line bridge.
[0043] As can be seen from the above, the first support frame 23 and the second support frame 24 can both drive the whole device to move, in order to meet the moving requirement and realize the replacement of the whole bridge deck of the double-line bridge, the bottom of the first support frame 23 and the bottom of the second support frame 24 are both provided with a wheel system 27, which drives the front beam 21 and the rear beam 22 to move perpendicularly to the driving direction of the bridge, thereby realizing the replacement of the whole bridge deck of the double-line bridge.
[0044] Preferably, the wheel system 27 comprises a plurality of universal wheels, which can drive the front beam 21 and the rear beam 22 to move perpendicularly to the driving direction of the bridge, thereby realizing the replacement of the whole bridge deck of the double-line bridge, and can also drive the front beam 21 and the rear beam 22 to move along the driving direction of the bridge, thereby adjusting the vertical distance between the front beam hanger 31 and the rear beam hanger 32 to adapt to bridge decks of different lengths.
[0045] Further preferably, the plurality of universal wheels in the wheel set 27 are arranged in a matrix to stably support the first support frame 23 and the second support frame 24.
[0046] Further, since the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 are supported on the deck of the single-line bridge and the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 are suspended or the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 are supported on the deck of the single-line bridge and the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 are suspended when the deck on the outer side of the double-line bridge is replaced, the overturning moment is large during the replacement of the deck on the outer side of the double-line bridge, and the deck on the position stepped on by the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 or the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 is poor in quality, and collapse is prone to occur.
[0047] Therefore, referring to Figure 1 , Figure 2 and Figure 4 , the embodiment further comprises auxiliary support legs 28, which are used in cooperation with the support to prevent collapse when the deck on the position stepped on by the first support frame 23 of the front beam 21 and the first support frame 23 of the rear beam 22 or the second support frame 24 of the front beam 21 and the second support frame 24 of the rear beam 22 is poor in quality during the replacement of the deck on the outer side of the double-line bridge.
[0048] Specifically, the auxiliary support legs 28 are two, and the two auxiliary support legs 28 are respectively mounted on the front beam 21 and the rear beam 22, referring to Figure 3 , the auxiliary support legs 28 each comprise a connecting portion 281 and a supporting portion 282, the top of the connecting portion 281 of one of the auxiliary support legs 28 is connected to the front beam 21, the top of the connecting portion 281 of the other auxiliary support leg 28 is connected to the rear beam 22, and the supporting portion 282 is inserted into the connecting portion 281 from the bottom of the connecting portion 281. Optionally, the length of the supporting portion 282 inserted into the connecting portion 281 is adjustable, when the deck on the position stepped on is poor in quality, the length of the supporting portion 282 inserted into the connecting portion 281 is adjusted so that one end of the supporting portion 282 away from the connecting portion 281 is supported on the deck of the bridge, and when the deck on the position stepped on is good in quality, the length of the supporting portion 282 inserted into the connecting portion 281 is adjusted so that one end of the supporting portion 282 away from the connecting portion 281 is away from the deck.
[0049] For example, the connecting portion 281 is in a cylindrical shape, and a plurality of mounting holes are arranged on the circumference of the connecting portion 281 in the vertical direction, after the supporting portion 282 is inserted into the connecting portion 281, a plurality of bolts are abutted against the supporting portion 282 through the mounting holes and are screwed into the connecting portion 281 to fix the connecting portion 281 and the supporting portion 282, so that the length of the supporting portion 282 inserted into the connecting portion 281 is adjustable.
[0050] Further, the auxiliary support leg 28 further comprises a reinforcing part 283 for reinforcing the supporting effect of the auxiliary support leg 28. Specifically, the reinforcing part 283 comprises a first reinforcing rod 2831 and a second reinforcing rod 2832, the first reinforcing rod 2831 and the second reinforcing rod 2832 are arranged at an angle, one end of the first reinforcing rod 2831 and one end of the second reinforcing rod 2832 are connected to the connecting part 281 along the vertical direction, the other end of the first reinforcing rod 2831 is connected to the other end of the second reinforcing rod 2832 and is installed on the front beam 21 or the rear beam 22, the reinforcing part 283 and the connecting part 281 form a stable triangular support to stably support the front beam 21 or the rear beam 22.
[0051] Optionally, one of the auxiliary support legs 28 is adjustably connected to the front beam 21, and the other auxiliary support leg 28 is adjustably connected to the rear beam 22. During the process of sequentially replacing the bridge deck panels of the double-line bridge in the vertical bridge driving direction, the supporting position of the auxiliary support leg 28 is adjusted to ensure that the auxiliary support leg 28 can be supported on the bridge deck panel. For example, the top of the connecting part 281, the first reinforcing rod 2831 and the second reinforcing rod 2832 are detachably connected to the front beam 21 or the rear beam 22.
[0052] The bridge deck panel quick replacement device provided by the embodiment can drive the main support to walk perpendicularly to the bridge driving direction by the first support frame 23 and the second support frame 24. When replacing the bridge deck panel on the outside of the bridge, the beam group is supported by the single-line bridge, and when replacing the bridge deck panel on the inside of the bridge, the beam group drives the main support to walk perpendicularly to the bridge driving direction, and then the beam group is supported by the double-line bridge. The characteristics of the adjacent bridge are fully utilized, the under-bridge traffic is not affected, and the existing construction space can be met.
[0053] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A bridge deck quick-change device, characterized in that, include: The main support includes a main beam (11) and front support legs (12) and rear support legs (13) respectively installed at both ends of the main beam (11) along the length direction. The main beam (11) is arranged along the bridge travel direction, and the front support legs (12) and the rear support legs (13) are erected on the bridge. The beam assembly includes a front beam (21) and a rear beam (22). The front beam (21) and the rear beam (22) are installed at intervals along the length direction of the main beam (11) and the front beam (21) and the rear beam (22) are arranged perpendicular to the travel direction of the bridge. The two ends of the front beam (21) along the length direction are respectively provided with a first support frame (23) and a second support frame (24). The two ends of the rear beam (22) along the length direction are respectively provided with a first support frame (23) and a second support frame (24). Both the first support frame (23) and the second support frame (24) can drive the main support to move perpendicular to the travel direction of the bridge. The lifting device includes a front beam crane (31) and a rear beam crane (32), which are slidably mounted on the front beam (21) and the rear beam (22) respectively. The front beam crane (31) and the rear beam crane (32) are configured to lift old or new plates.
2. The bridge deck quick-change device according to claim 1, characterized in that, The bottom of the first support frame (23) and the second support frame (24) are provided with a wheel system (27), which includes a number of omnidirectional wheels.
3. The bridge deck quick-change device according to claim 1, characterized in that, The beam assembly also includes a front connector and a rear connector. The top of the front connector is slidably connected to the main beam (11) along the length direction of the main beam (11), and the top of the rear connector is slidably connected to the main beam (11) along the length direction of the main beam (11).
4. The bridge deck quick-change device according to claim 3, characterized in that, The main beam (11) is provided with a main track (111) along its length direction, and the top of the front connector and the top of the rear connector are slidably locked on both sides of the main track (111).
5. A bridge deck quick-change device according to claim 1, characterized in that, The bottom of the front beam (21) and the bottom of the rear beam (22) are provided with secondary tracks along their length direction. The first locking member (25) and the second locking member (26) are slidably connected on the secondary tracks respectively. The front beam crane (31) and the rear beam crane (32) are respectively installed on the first locking member (25) and the second locking member (26).
6. The bridge deck quick-change device according to claim 1, characterized in that, The beam assembly also includes two auxiliary legs (28), which are respectively installed on the front beam (21) and the rear beam (22). Each auxiliary leg (28) includes a connecting part (281) and a supporting part (282). The top of the connecting part (281) is connected to the front beam (21) or the rear beam (22). The supporting part (282) is inserted into the connecting part (281) from the bottom of the connecting part (281). The length of the supporting part (282) extending into the connecting part (281) is adjustable, and the end of the supporting part (282) away from the connecting part (281) can support the bridge.
7. A bridge deck quick-change device according to claim 6, characterized in that, One of the auxiliary legs (28) is adjustablely connected to the front beam (21), and the other auxiliary leg (28) is adjustablely connected to the rear beam (22).
8. A bridge deck quick-change device according to claim 6, characterized in that, The auxiliary support leg (28) further includes a reinforcing part (283), which includes a first reinforcing rod (2831) and a second reinforcing rod (2832) arranged at an angle. One end of the first reinforcing rod (2831) and one end of the second reinforcing rod (2832) are vertically spaced and connected to the connecting part (281). The other end of the first reinforcing rod (2831) is connected to the other end of the second reinforcing rod (2832) and installed on the front beam (21) or the rear beam (22).
9. A bridge deck quick-change device according to any one of claims 1-8, characterized in that, The bridge deck quick replacement device also includes a beam-carrying vehicle (4), which is placed on the bridge along the bridge's travel direction and is configured to move the old deck or the new deck.
10. A bridge deck quick-change device according to any one of claims 1-8, characterized in that, The first support frame (23) and the second support frame (24) are triangular or rectangular, and the bottom width of the first support frame (23) is not less than the top width, the bottom width of the second support frame (24) is not less than the top width, the first support frame (23) is parallel to the second support frame (24), and the plane on which the first support frame (23) is located is parallel to the travel direction of the bridge.