Bridge construction device and construction method

Abstract

This application discloses a bridge construction apparatus for erecting bridge span segments on bridge piers, including a conveying device, a transferring device, a lifting device, a displacement adjusting device, a clamping device, and a supporting device. The transferring device includes a connecting plate that moves relative to the conveying device. The lifting device is fixedly connected to the connecting plate, and the displacement adjusting device is connected to the connecting plate via a telescopic sleeve. The lifting device is connected to the displacement adjusting device and drives it to rise and fall. The clamping device is connected below the displacement adjusting device and adjusts its position on the horizontal plane. The clamping device is used to clamp the bridge span segments. This application also provides a bridge construction method. The bridge construction apparatus and method provided by this application, by setting up a displacement adjusting device, can conveniently adjust the displacement of bridge span segments, improving construction quality and efficiency. The apparatus is easy to use, highly adaptable to the environment, and particularly suitable for the assembly of prefabricated steel-concrete composite beam bridge decks.

Description

Technical Field

[0001] This application relates to the field of bridge construction technology, and in particular to a bridge construction device and construction method. Background Technology

[0002] A bridge is a structure built to cross natural or man-made obstacles, spanning rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. A bridge generally consists of a superstructure, substructure, and ancillary structures. The superstructure mainly refers to the span structure and bearing system; the substructure includes abutments and piers; and ancillary structures include approach slabs, tapered slopes, revetments, and diversion works.

[0003] Modern bridge construction typically employs a method of prefabricating bridge segments in a factory and then transporting them to the site for assembly. During construction, the abutments and piers are built first, then the bridge span segments are assembled onto the piers one by one, and finally the entire bridge is constructed through processes such as concrete grouting.

[0004] Currently, bridge span segment installation typically employs the following methods: The first method involves using a crane to connect and install the bridge span segments. However, because crane cables are flexible, the segments are prone to shifting and shaking during installation, resulting in excessively large gaps between the segments after installation. Furthermore, crane installation is cumbersome, difficult to operate, and highly susceptible to wind speed fluctuations. The second method uses transport vehicles to transport the bridge span segments, achieving installation positioning. However, the installation precision of bridge span segments transported by vehicles is still limited, and excessively large gaps are easily left after installation, affecting subsequent concrete grouting and negatively impacting the overall mechanical properties of the bridge. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the first objective of this invention is to provide a bridge construction device; the second objective of this invention is to provide a bridge construction method. The bridge construction device and construction method provided in this application, by setting a displacement adjustment device, can conveniently adjust the displacement of bridge span segments, improve construction quality and efficiency, and the device is easy to use and highly adaptable to the environment, especially suitable for the assembly of prefabricated steel-concrete composite beam bridge decks.

[0006] The technical solution provided by this invention is as follows: A bridge construction device for erecting bridge span segments on bridge piers, comprising a conveying device, a transferring device, a lifting device, a displacement adjusting device, a clamping device, and a supporting device. The transfer device includes a connecting plate that moves relative to the conveying device; the lifting device is fixedly connected to the connecting plate; and the displacement adjusting device is connected to the connecting plate via a telescopic sleeve. The lifting device is connected to the displacement adjusting device and drives it to move up and down. The displacement adjustment device is connected to the clamping device below, and the position of the clamping device on the horizontal plane is adjusted; the clamping device is used to clamp the bridge span segment.

[0007] Preferably, the transfer device further includes a side support frame and a transfer drive mechanism; The side support frame is provided with a gear slot seat in the middle, the connecting plate is slidably connected to the side support frame, the transfer drive mechanism is fixedly connected to the connecting plate, and the power output end of the transfer drive mechanism meshes with the gear slot seat; The conveying device includes a conveying box, a box traveling mechanism, and a limiting mechanism; The box walking mechanism is located below the conveying box and drives the conveying box to move; The side support frame is fixedly connected to the conveyor box; The limiting mechanism includes a limiting rod and a limiting block; the limiting rod is located inside the conveying box, the limiting block is fixedly connected to the limiting rod, and the limiting block is connected to the far end of the connecting plate via a chain.

[0008] Preferably, the bottom of the conveying box is provided with a compartment opening for bridge span segments to pass through; The box-type traveling mechanism includes two sets of frames. The frames include a horizontal frame and a vertical frame that are fixedly connected. The horizontal frame is provided with at least one wheel. The wheel includes two wheels and a wheel connecting axle in the middle. The wheel connecting axle is rotatably connected to the horizontal frame.

[0009] Preferably, the lifting device includes a frame and a lifting drive mechanism. The frame includes an upper seat, a lower seat, and a side frame. The top and bottom surfaces of the side frame are respectively connected to the upper seat and the lower seat. The upper seat is fixedly connected to the connecting plate; the lifting drive mechanism is located on the upper seat, and the output end of the lifting drive mechanism is provided with a lifting screw; the lower seat is provided with a bearing seat for supporting the lifting screw. The lifting screw is fitted with a threaded lifting displacement plate, and a lifting column is fixedly connected to the lower part of the lifting displacement plate. The lifting column is connected to a displacement adjustment device.

[0010] Preferably, the lifting device is further provided with a lifting guide mechanism, which includes a sliding column, a sliding tube and a side block. The side block is fixedly connected to the side frame, the sliding column is fixedly connected to the side block, the sliding tube is slidably engaged with the sliding column, and the sliding tube is fixedly connected to the lifting displacement plate.

[0011] Preferably, the displacement adjustment device includes a welding plate, an X-axis adjustment mechanism, a Y-axis adjustment mechanism, and a bottom support plate; One side of the welding plate is connected to the telescopic sleeve and the lifting device, and the other side of the welding plate is connected to the X-axis adjustment mechanism; the Y-axis adjustment mechanism is movably disposed on the X-axis adjustment mechanism, and the bottom support plate is movably disposed on the Y-axis adjustment mechanism; the bottom support plate is fixedly connected to the clamping device. The Y-axis adjustment mechanism moves in a direction perpendicular to the bottom plate.

[0012] Preferably, the X-axis adjustment mechanism includes a support body, an X-axis slide rail, an X-axis slider, and an X-axis drive mechanism; the Y-axis adjustment mechanism includes a support frame, a Y-axis slide rail, a Y-axis drive mechanism, and a docking plate. The support body has two parts, which are fixedly connected to the welding plate respectively. Each support body is equipped with one X-axis slide rail. The X-axis slider is slidably connected to both X-axis slide rails. The X-axis drive mechanism is located between the two support bodies and is connected to the X-axis slider. The X-axis slider is fixedly connected to the support frame. Two Y-axis slide rails are provided and are fixedly connected to the support frame respectively. The bottom support plate includes two sub-plates, each of which is slidably connected to a Y-axis slide rail. The docking plate is fixedly connected to both sub-plates. The Y-axis drive mechanism is located inside the support frame and is connected to the docking plate.

[0013] Preferably, the clamping device includes a clamping frame, multiple pads, two mounting boxes, and two clamping drive mechanisms, wherein the clamping drive mechanism includes a clamping drive power source, a drive wheel, a friction belt, a driven wheel, a clamping lead screw, and a clamping slider; The mounting boxes are fixedly connected to the clamping frame. The clamping drive power source is located inside the mounting box, and the power output end of the clamping drive power source is fixedly connected to the drive wheel. The drive wheel is poweredly connected to the driven wheel through a friction belt. The clamping screw is fixedly connected to the driven wheel, and the clamping slider is threadedly engaged with the clamping screw. The clamping frame is provided with two clamping slide rails, and four support blocks are slidably connected to the clamping slide rails respectively. Each pair of support blocks forms a group, and a support panel is fixedly connected to the top. A clamping plate and a bracket are fixedly installed on the support panel, and the pad is installed on the bracket. The support panel is also fixedly connected to the clamping slider. The clamping plate is used to clamp bridge span segments.

[0014] Preferably, the support device includes a support connecting plate, a support rod assembly, and a support rod telescopic mechanism. One side of the support connecting plate is fixedly connected to a connecting plate, and the other side is provided with two support guide rails. A fixed rod and a movable rod are provided between the two support guide rails. The fixed rod is fixedly connected to the two support guide rails, and the movable rod is slidably connected to the two support guide rails. The support rod assembly includes two first support rods and two second support rods. One end of each of the two first support rods is hinged to a fixed rod, and one end of each of the two second support rods is hinged to a movable rod. The first support rods and the second support rods are hinged together by a connecting shaft. The support rod telescopic mechanism includes a support screw and a support drive mechanism. The power output end of the support drive mechanism is fixedly connected to the support screw. The support screw is threadedly engaged with a hollow threaded cylinder, and the hollow threaded cylinder is fixedly connected to a movable rod.

[0015] A construction method using the bridge construction apparatus described in any one of the above claims includes the following steps: S1. The clamping device clamps the bridge span segment, and the lifting device raises the displacement adjustment device so that the bottom surface of the bridge span segment is higher than the ground. S2. The conveying device moves along the erected bridge and reaches the side of the first pier; S3. The transfer device works to send out the connecting plate, so that the lifting device, displacement adjustment device, clamping device and the clamped bridge span segment are located between the first pier and the second pier, while the support device is located above the third pier; the support device works to support the third pier. S4. The displacement adjustment device is activated to adjust the position of the bridge span segment relative to the first and second piers. S5. The lifting device operates, causing the displacement adjustment device to drive the clamping device to descend, placing the bridge span segment between the first pier and the second pier.

[0016] The bridge construction device and method provided in this application can easily adjust the displacement of bridge span segments by setting up a displacement adjustment device, thereby improving construction quality and efficiency. The device is easy to use and highly adaptable to the environment, and is especially suitable for the assembly of prefabricated steel-concrete composite beam bridge decks. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a side view of the bridge construction device in an embodiment of the present invention; Figure 2 for Figure 1 A magnified view of a portion of the image; Figure 3 This is a schematic diagram of a portion of the bridge construction device in an embodiment of the present invention (the limiting mechanism is not shown). Figure 4 This is a schematic diagram of a portion of the bridge construction device in an embodiment of the present invention (the limiting mechanism is not shown, and the clamping device is lowered). Figure 5 This is a bottom view of the conveying device in the bridge construction apparatus of this invention (the limiting mechanism is not shown). Figure 6 This is a schematic diagram of the lifting device in the bridge construction apparatus of this invention. Figure 7 This is a schematic diagram (inverted) of the displacement adjustment device in the bridge construction apparatus of this invention. Figure 8 This is a schematic diagram (inverted) of the clamping device in the bridge construction apparatus of this invention. Figure 9 for Figure 8 A magnified view of a portion of the image; Figure 10 This is a schematic diagram (inverted) of the support device in the bridge construction apparatus of this invention. Reference numerals: 1-Conveying device; 11-Conveying box; 111-Holding opening; 12-Box traveling mechanism; 121-Wheel; 122-Horizontal frame; 123-Vertical frame; 13-Limiting mechanism; 131-Limiting rod; 132-Limiting block; 133-Chain; 2-Transfer device; 21-Side support frame; 22-Connecting plate; 23-Transfer drive mechanism; 3-Lifting device; 31-Frame; 311-Upper seat; 312-Lower seat; 313-Side frame; 32-Lifting drive mechanism; 321-Lifting screw; 3211-Bearing seat; 322-Lifting displacement plate; 33-Lifting guide mechanism; 331-Sliding column; 332-Sliding tube; 333-Side block; 34-Lifting column; 4-Displacement adjustment device; 41-Welding plate; 42-X-direction adjustment mechanism; 421-Support body; 422-X-direction slide rail; 423-X-direction slider; 424-X-direction drive mechanism; 43-Y-direction adjustment mechanism; 431-Support frame; 432-Y-direction slide rail; 433-Y-direction drive mechanism; 434-Dating plate; 44-Bottom support plate; 5-Clamping device; 5 1-Clamping frame; 511-Clamping slide rail; 512-Support block; 513-Support panel; 514-Clamping plate; 515-Bracket; 52-Padded block; 53-Mounting box; 54-Clamping drive mechanism; 541-Driving wheel; 542-Friction belt; 543-Driven wheel; 544-Clamping screw; 545-Clamping slider; 6-Support device; 61-Support connecting plate; 611-Support guide rail; 612-Fixed rod; 613-Movable rod; 62-Support rod assembly; 621-First support rod; 622-Second support rod; 623-Connecting shaft; 63-Support rod telescopic mechanism; 631-Support screw; 632-Support drive mechanism; 633-Hollow threaded cylinder; 7-Telescopic sleeve; A-First pier; B-Second pier; C-Third pier; D-Bridge; E-Bridge span segment. Detailed Implementation

[0019] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0021] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0023] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0024] As shown in the figure, this embodiment of the invention provides a bridge construction device for erecting bridge span segments E on bridge piers, including a conveying device 1, a transfer device 2, a lifting device 3, a displacement adjusting device 4, a clamping device 5, and a supporting device 6. The transfer device 2 includes a connecting plate 22 that moves relative to the conveying device 1. The lifting device 3 is fixedly connected to the connecting plate 22. The displacement adjusting device 4 is connected to the connecting plate 22 through a telescopic sleeve 7. The lifting device 3 is connected to the displacement adjusting device 4 and drives it to lift. The displacement adjustment device 4 is connected to the clamping device 5 below, and the position of the clamping device 5 on the horizontal plane is adjusted; the clamping device 5 is used to clamp the bridge span segment E.

[0025] To address the problems existing in the prior art, this application provides a bridge construction device, including a conveying device 1, a transfer device 2, a lifting device 3, a displacement adjusting device 4, a clamping device 5, and a supporting device 6; wherein the clamping device 5 clamps the bridge span segment E to be installed, and the conveying device 1 first transports the entire segment along the already erected bridge section D to the side of the first pier A; then the transfer device 2 operates, causing the connecting plate 22 to move relative to the conveying device 1, thereby moving the lifting device 3, the displacement adjusting device 4, the clamping device 5, and the clamped bridge span segment E together, so that they reach the first pier A and the second pier. Between points B and B, the supporting device 6 moves together with the connecting plate 22 to above the third pier C, and the supporting device 6 provides working support on the third pier C. The displacement adjustment device 4 adjusts the horizontal position of the clamping device 5, and the lifting device 3 raises and lowers the displacement adjustment device 4, allowing the bridge span segment E to be adjusted in both the horizontal and vertical directions. This accurately adjusts the relative position of the bridge span segment E with respect to the first pier A and the second pier B before lowering the bridge span segment E, controlling the gaps between the laid bridge span segments E, resulting in a more optimized bridge structure and higher quality. Furthermore, during the adjustment process, the supporting device 6 provides support to prevent the entire device from tipping over or tilting.

[0026] The bridge construction device provided in this application can easily adjust the displacement of bridge span segments E by setting displacement adjustment device 4, thereby improving construction quality and efficiency. The device is easy to use and highly adaptable to the environment, and is especially suitable for the assembly of prefabricated steel-concrete composite beam bridge decks.

[0027] Preferably, the transfer device 2 further includes a side support frame 21 and a transfer drive mechanism 23; The side support frame 21 is provided with a gear slot seat in the middle, the connecting plate 22 is slidably connected to the side support frame 21, the transfer drive mechanism 23 is fixedly connected to the connecting plate 22, and the power output end of the transfer drive mechanism 23 meshes with the gear slot seat; The conveying device 1 includes a conveying box 11, a box traveling mechanism 12, and a limiting mechanism 13; The box walking mechanism 12 is located below the conveying box 11 and drives the conveying box 11 to move; The side support frame 21 is fixedly connected to the conveyor box 11; The limiting mechanism 13 includes a limiting rod 131 and a limiting block 132; the limiting rod 131 is disposed inside the conveying box 11, the limiting block 132 is fixedly connected to the limiting rod 131, and the limiting block 132 is connected to the far end of the connecting plate 22 through a chain 133.

[0028] Specifically, the transfer device 2 includes a side support frame 21 and a transfer drive mechanism 23, in addition to the connecting plate 22. The conveying device 1 includes a conveying box 11, a box traveling mechanism 12, and a limiting mechanism 13. The side support frame 21 is fixed inside the conveying box 11, and the gear slot seat (i.e., a rod with multiple teeth mounted on the side support frame 21) meshes with the gear at the power output end of the transfer drive mechanism 23 to push out or retract the connecting plate 22. At the same time, the limiting mechanism 13 limits the farthest position of the connecting plate 22 to prevent excessive pushing and damage to the device. Specifically, the limiting mechanism 13 includes a limiting rod 131 and a limiting block 132. The limiting rod 131 and the limiting block 132 are fixed in place inside the conveying box 11. The limiting block 132 is then connected to the far end of the connecting plate 22 via a chain 133. When the connecting plate 22 is inside the conveying box 11, the flexible chain 133 does not cause any obstruction. When the connecting plate 22 is pushed outward, the chain 133 is gradually tightened until the far end of the connecting plate 22 (i.e., the end of the connecting plate 22 furthest from the conveying box 11) is bound by the chain 133, at which point the connecting plate 22 reaches its farthest position.

[0029] The conveying box 11 moves by means of the box walking mechanism 12. After the conveying box 11 moves into place, the transfer device 2 is activated to move the connecting plate 22.

[0030] Preferably, the bottom of the conveying box 11 is provided with a compartment opening 111, which is used for the bridge span segment E to pass through; The box-type traveling mechanism 12 includes two sets of frames. The frames include a horizontal frame 122 and a vertical frame 123 that are fixedly connected. The horizontal frame 122 is provided with at least one wheel 121. The wheel 121 includes two wheels and a wheel connecting axle in the middle. The wheel connecting axle is rotatably connected to the horizontal frame 122.

[0031] Preferably, the bottom of the conveyor box 11 is provided with a compartment opening 111 for the bridge span segment E to pass through. To begin transporting the bridge span segment E, the conveyor box 11 can be driven above the bridge span segment E. The lifting device 3 then rises and falls to allow the clamping device 5 to grip the bridge span segment E, and then rises again to lift the bridge span segment E off the ground, immediately commencing transport. The size of the compartment opening 111 is sufficient for both the bridge span segment E and the clamping device 5 to pass through.

[0032] The container walking mechanism 12 specifically includes two sets of frames, located on both sides of the opening 111. Each frame includes a fixedly connected transverse frame 122 and a vertical frame 123. The transverse frame 122 is equipped with at least one wheel 121 (preferably 2-3 wheels 121), each wheel 121 comprising two wheels and a central wheel connecting axle, which is rotatably connected to the transverse frame 122. Thus, 4-6 wheels 121 are arranged below the entire conveyor container 11 to support and transport it. The power source for the container walking mechanism 12 is located next to the wheels 121 to drive their rotation.

[0033] Preferably, the lifting device 3 includes a frame 31 and a lifting drive mechanism 32. The frame 31 includes an upper seat 311, a lower seat 312 and a side frame 313. The top and bottom surfaces of the side frame 313 are respectively connected to the upper seat 311 and the lower seat 312. The upper seat 311 is fixedly connected to the connecting plate 22; the lifting drive mechanism 32 is provided on the upper seat 311, and the output end of the lifting drive mechanism 32 is provided with a lifting screw 321; the lower seat 312 is provided with a bearing seat 3211 for supporting the lifting screw 321. The lifting screw 321 is fitted with a threaded lifting displacement plate 322, and a lifting column 34 is fixedly connected to the lower part of the lifting displacement plate 322. The lifting column 34 is connected to the displacement adjustment device 4.

[0034] The preferred lifting device 3 specifically includes a frame 31 and a lifting drive mechanism 32. The frame 31 includes an upper seat 311, a lower seat 312 and a side frame 313. The lifting drive mechanism 32 is located on the bottom surface of the upper seat 311, and the output end of the lifting drive mechanism 32 is provided with a lifting screw 321. The lifting screw 321 is also supported by a bearing seat 3211 provided on the lower seat 312. The lifting displacement plate 322 is threadedly engaged with the lifting screw 321 and fixedly connected to the lifting column 34. When the lifting screw 321 rotates, the lifting displacement plate 322 and the lifting column 34 will rise or fall, thereby realizing the lifting of the displacement adjustment device 4 connected to the lifting column 34 and the clamping device 5 below it, as well as the bridge span segment E.

[0035] Preferably, the lifting device 3 is further provided with a lifting guide mechanism 33, which includes a sliding column 331, a sliding tube 332 and a side block 333. The side block 333 is fixedly connected to the side frame 313, the sliding column 331 is fixedly connected to the side block 333, the sliding tube 332 is slidably engaged with the sliding column 331, and the sliding tube 332 is fixedly connected to the lifting displacement plate 322.

[0036] The preferred lifting device 3 is also provided with a lifting guide mechanism 33, which supports the sliding column 331 by the side block 333 fixedly connected to the side frame 313, and at the same time fixes the sliding tube 332 slidably connected to it to the lifting displacement plate 322, so as to guide the movement of the lifting displacement plate 322, avoid position deviation caused by the weight of the bridge span segment E, and also protect the device.

[0037] Preferably, the displacement adjustment device 4 includes a welding plate 41, an X-axis adjustment mechanism 42, a Y-axis adjustment mechanism 43, and a bottom support plate 44; One side of the welding plate 41 is connected to the telescopic sleeve 7 and the lifting device 3, and the other side of the welding plate 41 is connected to the X-axis adjustment mechanism 42; the Y-axis adjustment mechanism 43 is movably disposed on the X-axis adjustment mechanism 42, and the bottom support plate 44 is movably disposed on the Y-axis adjustment mechanism 43; the bottom support plate 44 is fixedly connected to the clamping device 5. The moving direction of the Y-axis adjustment mechanism 43 is perpendicular to the moving direction of the bottom support plate 44.

[0038] The displacement adjustment device 4 provided in this application includes an X-axis adjustment mechanism 42 and a Y-axis adjustment mechanism 43, which are connected by a welding plate 41 and a bottom support plate 44. Specifically, the welding plate 41 is connected to the telescopic sleeve 7 and the lifting device 3. When the lifting device 3 drives the welding plate 41 to rise or fall, the distance between the welding plate 41 and the connecting plate 22 changes through the telescopic sleeve 7, which does not hinder the rise or fall of the displacement adjustment device 4, and the connecting plate 22 can share the load.

[0039] The Y-axis adjustment mechanism 43 is perpendicular to the moving direction of the bottom support plate 44. That is, the X-axis adjustment mechanism 42 and the Y-axis adjustment mechanism 43 drive the components that are slidably connected to them to move in the same direction, so that the displacement adjustment device 4 can drive the clamping device 5 to move freely in the horizontal plane.

[0040] Preferably, the X-axis adjustment mechanism 42 includes a support body 421, an X-axis slide rail 422, an X-axis slider 423, and an X-axis drive mechanism 424; the Y-axis adjustment mechanism 43 includes a support frame 431, a Y-axis slide rail 432, a Y-axis drive mechanism 433, and a docking plate 434. Two supports 421 are provided and are fixedly connected to the welding plate 41 respectively. One X-axis slide rail 422 is installed on each support 421. The X-axis slider 423 is slidably connected to both X-axis slide rails 422. The X-axis drive mechanism 424 is located between the two supports 421 and is connected to the X-axis slider 423. The X-axis slider 423 is fixedly connected to the support frame 431. Two Y-axis slide rails 432 are provided and fixedly connected to the support frame 431 respectively. The bottom support plate 44 includes two sub-plates, each of which is slidably connected to one Y-axis slide rail 432. The docking plate 434 is fixedly connected to both sub-plates. The Y-axis drive mechanism 433 is located inside the support frame 431 and is connected to the docking plate 434.

[0041] Further preferred X-axis adjustment mechanism 42 includes a support body 421, an X-axis slide rail 422, an X-axis slider 423, and an X-axis drive mechanism 424. The two X-axis slide rails 422 are respectively provided on the two support bodies 421, forming a space in the middle for installing the X-axis drive mechanism 424. The X-axis slider 423 slides with the X-axis slide rail 422 and is connected to the X-axis drive mechanism 424 to achieve sliding. The Y-axis adjustment mechanism 43 includes a support frame 431, a Y-axis slide rail 432, a Y-axis drive mechanism 433, and a docking plate 434. The support frame 431 is connected to the X-axis slider 423, and the support frame 431 moves along the X-axis under the drive of the X-axis adjustment mechanism 42. The support frame 431 is provided with two Y-axis slide rails 432, and the bottom support plate 44 includes two sub-plates, each of which is slidably engaged with one Y-axis slide rail 432. The docking plate 434 is fixedly connected to both sub-plates, and the docking plate 434 and the bottom support plate 44 form a whole. The Y-axis drive mechanism 433 is located inside the support frame 431, connected to the docking plate 434, and drives the whole formed by the docking plate 434 and the bottom support plate 44 to slide along the Y-axis. Since the bottom support plate 44 is fixedly connected to the clamping device 5, the clamping device 5 will also move accordingly, thereby realizing the adjustment of the position in the horizontal plane.

[0042] Preferably, the clamping device 5 includes a clamping frame 51, a plurality of pads 52, two mounting boxes 53 and two clamping drive mechanisms 54, wherein the clamping drive mechanism 54 includes a clamping drive power source, a drive wheel 541, a friction belt 542, a driven wheel 543, a clamping lead screw 544 and a clamping slider 545. The mounting box 53 is fixedly connected to the clamping frame 51. The clamping drive power source is located inside the mounting box 53, and the power output end of the clamping drive power source is fixedly connected to the drive wheel 541. The drive wheel 541 is poweredly connected to the driven wheel 543 through the friction belt 542. The clamping screw 544 is fixedly connected to the driven wheel 543. The clamping slider 545 is threadedly engaged with the clamping screw 544. The clamping frame 51 is provided with two clamping slide rails 511, and four support blocks 512 are slidably connected to the clamping slide rails 511 respectively. Each pair of support blocks 512 forms a group, and a support panel 513 is fixedly connected to the top. A clamping plate 514 and a bracket 515 are fixedly installed on the support panel 513. The pad block 52 is installed on the bracket 515. The support panel 513 is also fixedly connected to the clamping slider 545. The clamping plate 514 is used to clamp the bridge span segment E.

[0043] The preferred clamping device 5 includes a clamping frame 51, multiple pads 52, two mounting boxes 53, and two clamping drive mechanisms 54. There is one clamping frame 51, on which two sets of clamping drive mechanisms 54 are provided, each driving a clamping plate 514 to move. Thus, the two clamping plates 514 can move closer or further apart to achieve clamping of the bridge span segment E.

[0044] Specifically, the structure of a clamping plate 514 is as follows: a support panel 513 is connected below the clamping plate 514, and two support blocks 512 are connected below the support panel 513. The two support blocks 512 are slidably connected to two clamping slide rails 511 respectively. The position between the two clamping slide rails 511 is for the clamping drive mechanism 54 to be installed and connected to the support panel 513 to drive its movement. A bracket 515 is also provided on the support panel 513, and a pad 52 is provided on the bracket 515. The shape of the pad 52 matches the shape of the top surface of the bridge span segment E. When the clamping plate 514 clamps the bridge span segment E, the pad 52 abuts against the bridge span segment E and provides a buffer protection function.

[0045] The mounting box 53 is used to accommodate the clamping drive power source, and then the power is transmitted to the clamping screw 544 through the cooperation of the driving wheel 541, friction belt 542 and driven wheel 543. The clamping slider 545 with threaded engagement on the clamping screw 544 is fixedly connected to the support panel 513, thereby realizing back and forth sliding.

[0046] The shape of the pad 52 matches the shape of the top surface of the bridge span segment E. Alternatively, the shape of the bracket 515 can be set to match the shape of the top surface of the bridge span segment E, and multiple pads 52 can be provided on the bracket 515. A clamping plate 514 can be equipped with multiple brackets 515, such as 2-3 brackets 515.

[0047] Preferably, the support device 6 includes a support connecting plate 61, a support rod assembly 62, and a support rod telescopic mechanism 63. One side of the support connecting plate 61 is fixedly connected to the connecting plate 22, and the other side is provided with two support guide rails 611. A fixed rod 612 and a movable rod 613 are provided between the two support guide rails 611. The fixed rod 612 is fixedly connected to the two support guide rails 611, and the movable rod 613 is slidably connected to the two support guide rails 611. The support rod assembly 62 includes two first support rods 621 and two second support rods 622. One end of each of the two first support rods 621 is hinged to a fixed rod 612, and one end of each of the two second support rods 622 is hinged to a movable rod 613. The first support rods 621 and the second support rods 622 are hinged together by a connecting shaft 623. The support rod telescopic mechanism 63 includes a support screw 631 and a support drive mechanism 632. The power output end of the support drive mechanism 632 is fixedly connected to the support screw 631. The support screw 631 is threadedly engaged with the hollow threaded cylinder 633. The hollow threaded cylinder 633 is fixedly connected to the movable rod 613.

[0048] The preferred support device 6 includes a support connecting plate 61, a support rod assembly 62, and a support rod telescopic mechanism 63. The support rod telescopic mechanism 63 is used to push the support rod assembly 62 to unfold or retract. When unfolded, it supports the bridge pier and provides support force. When retracted, it is convenient for storage and movement.

[0049] Specifically, one side of the support connecting plate 61 is fixedly connected to the connecting plate 22, and the other side is provided with two support guide rails 611. A fixed rod 612 and a movable rod 613 are provided between the two support guide rails 611. The fixed rod 612 is fixedly connected to the two support guide rails 611, and the movable rod 613 is slidably connected to the two support guide rails 611. At the same time, the support screw 631 of the support rod telescopic mechanism 63 is threadedly engaged with the hollow threaded cylinder 633, and the hollow threaded cylinder 633 is fixedly connected to the movable rod 613. Then, the support drive mechanism 632 drives the support screw 631 to rotate, which can make the hollow threaded cylinder 633 and the movable rod 613 move back and forth.

[0050] The support rod assembly 62 includes two first support rods 621 and two second support rods 622. One end of each of the two first support rods 621 is hinged to the fixed rod 612, and one end of each of the two second support rods 622 is hinged to the movable rod 613. The first support rods 621 and the second support rods 622 are hinged together by a connecting shaft 623. The back-and-forth movement of the movable rod 613 can drive the second support rods 622 to rotate, thereby changing the angle between the first support rods 621 and the second support rods 622, and realizing the unfolding or retraction of the support rod assembly 62.

[0051] Two of each of the first support rod 621 and the second support rod 622 are provided, so that the tops of the four support rods can form a plane, resulting in better support.

[0052] A more preferable movable frame at the hinged position of the first support rod 621 and the second support rod 622 reduces the contact distance with the third pier C.

[0053] A construction method using the bridge construction apparatus described in any one of the above claims includes the following steps: S1. Clamping device 5 clamps bridge span segment E, and lifting device 3 raises displacement adjustment device 4 so that the bottom surface of bridge span segment E is higher than the ground. S2. The conveying device 1 moves along the erected bridge D and reaches the side of the first pier A. S3. The transfer device 2 works to send out the connecting plate 22, so that the lifting device 3, the displacement adjustment device 4, the clamping device 5 and the clamped bridge span segment E are located between the first pier A and the second pier B, while the support device 6 is located above the third pier C; the support device 6 works to support the third pier C. S4. Displacement adjustment device 4 is activated to adjust the position of bridge span segment E relative to the first pier A and the second pier B. S5. The lifting device 3 operates, causing the displacement adjusting device 4 to drive the clamping device 5 to descend, placing the bridge span segment E between the first pier A and the second pier B.

[0054] This application also provides a construction method using the bridge construction device described in any of the above claims. After clamping the bridge span segment E, it is first transported by the conveying device 1, then moved by the transfer device 2, and its relative position is adjusted by the displacement adjustment device 4. Finally, the lifting device 3 works to accurately place the bridge span segment E at the target position. The gap is minimized as much as possible during the adjustment process of the displacement adjustment device 4, so that the gap will not have an adverse effect when connecting the bridge span segment E to the already erected bridge D. At the same time, the accuracy of the placement position of the bridge span segment E can be guaranteed during continuous operation, thereby ensuring the uniformity of the overall quality of the bridge.

[0055] During the operation, the support device 6 continuously provides support to prevent the device from tipping over. After the operation is completed, the support device 6 is retracted, the lifting device 3 raises the displacement adjustment device 4 and clamping device 5 below, the connecting plate 22 is retracted into the conveying device 1, and it retreats along the bridge D, waiting for the next bridge span segment E to begin transportation.

[0056] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bridge construction device for erecting a bridge span segment (E) on a bridge pier, characterized in that It includes a conveying device (1), a transfer device (2), a lifting device (3), a displacement adjusting device (4), a clamping device (5), and a supporting device (6). The transfer device (2) includes a connecting plate (22) that moves relative to the conveying device (1), the lifting device (3) is fixedly connected to the connecting plate (22), and the displacement adjusting device (4) is connected to the connecting plate (22) through a telescopic sleeve (7); the lifting device (3) is connected to the displacement adjusting device (4) and drives it to lift. The displacement adjustment device (4) is connected to the clamping device (5) below and adjusts the position of the clamping device (5) on the horizontal plane; the clamping device (5) is used to clamp the bridge span segment (E). The transfer device (2) further includes a side support frame (21) and a transfer drive mechanism (23); the side support frame (21) has a gear slot seat in the middle, the connecting plate (22) is slidably connected to the side support frame (21), the transfer drive mechanism (23) is fixedly connected to the connecting plate (22), and the power output end of the transfer drive mechanism (23) meshes with the gear slot seat; the conveying device (1) includes a conveying box (11), a box walking mechanism (12), and a limiting mechanism (13); the box The walking mechanism (12) is located below the conveying box (11) and drives the conveying box (11) to move; the side support frame (21) is fixedly connected to the conveying box (11); the limiting mechanism (13) includes a limiting rod (131) and a limiting block (132); the limiting rod (131) is located inside the conveying box (11), the limiting block (132) is fixedly connected to the limiting rod (131), and the limiting block (132) is connected to the far end of the connecting plate (22) through a chain (133).

2. The bridge construction apparatus according to claim 1, characterized in that, The bottom of the conveying box (11) is provided with a hopper (111), which is used for the bridge span segment (E) to pass through; The box-type walking mechanism (12) includes two sets of frames. The frames include a horizontal frame (122) and a vertical frame (123) that are fixedly connected. The horizontal frame (122) is provided with at least one wheel (121). The wheel (121) includes two wheels and a wheel connecting axle in the middle. The wheel connecting axle is rotatably connected to the horizontal frame (122).

3. The bridge construction apparatus according to claim 1, characterized by The lifting device (3) includes a frame (31) and a lifting drive mechanism (32). The frame (31) includes an upper seat (311), a lower seat (312) and a side frame (313). The top and bottom surfaces of the side frame (313) are respectively connected to the upper seat (311) and the lower seat (312). The upper seat (311) is fixedly connected to the connecting plate (22); the lifting drive mechanism (32) is located on the upper seat (311), and the output end of the lifting drive mechanism (32) is provided with a lifting screw (321); the lower seat (312) is provided with a bearing seat (3211) for supporting the lifting screw (321). The lifting screw (321) is fitted with a threaded lifting displacement plate (322), and a lifting column (34) is fixedly connected to the lower part of the lifting displacement plate (322). The lifting column (34) is connected to the displacement adjustment device (4).

4. The bridge construction device according to claim 3, characterized in that, The lifting device (3) is also provided with a lifting guide mechanism (33), which includes a sliding column (331), a sliding tube (332) and a side block (333). The side block (333) is fixedly connected to the side frame (313), the sliding column (331) is fixedly connected to the side block (333), the sliding tube (332) is slidably engaged with the sliding column (331), and the sliding tube (332) is fixedly connected to the lifting displacement plate (322).

5. The bridge construction apparatus according to any one of claims 1-4, characterized in that, The displacement adjustment device (4) includes a welding plate (41), an X-axis adjustment mechanism (42), a Y-axis adjustment mechanism (43), and a bottom support plate (44). One side of the welding plate (41) is connected to the telescopic sleeve (7) and the lifting device (3), and the other side of the welding plate (41) is connected to the X-axis adjustment mechanism (42); the Y-axis adjustment mechanism (43) is movably disposed on the X-axis adjustment mechanism (42), and the bottom support plate (44) is movably disposed on the Y-axis adjustment mechanism (43); the bottom support plate (44) is fixedly connected to the clamping device (5); The moving direction of the Y-axis adjustment mechanism (43) is perpendicular to the moving direction of the bottom support plate (44).

6. The bridge construction device according to claim 5, characterized in that, The X-axis adjustment mechanism (42) includes a support (421), an X-axis slide rail (422), an X-axis slider (423), and an X-axis drive mechanism (424); the Y-axis adjustment mechanism (43) includes a support frame (431), a Y-axis slide rail (432), a Y-axis drive mechanism (433), and a docking plate (434). Two supports (421) are provided and are fixedly connected to the welding plate (41) respectively. One X-axis slide rail (422) is installed on each support (421). The X-axis slider (423) is slidably connected to both X-axis slide rails (422). The X-axis drive mechanism (424) is located between the two supports (421) and is connected to the X-axis slider (423). The X-axis slider (423) is fixedly connected to the support frame (431). There are two Y-axis slide rails (432), which are fixedly connected to the support frame (431) respectively. The bottom support plate (44) includes two sub-plates, which are slidably connected to one Y-axis slide rail (432) respectively. The docking plate (434) is fixedly connected to both sub-plates. The Y-axis drive mechanism (433) is located inside the support frame (431) and connected to the docking plate (434).

7. The bridge construction apparatus according to any one of claims 1-4, characterized in that, The clamping device (5) includes a clamping frame (51), multiple pads (52), two mounting boxes (53) and two clamping drive mechanisms (54), wherein the clamping drive mechanism (54) includes a clamping drive power source, a drive wheel (541), a friction belt (542), a driven wheel (543), a clamping screw (544), and a clamping slider (545); The mounting box (53) is fixedly connected to the clamping frame (51). The clamping drive power source is located inside the mounting box (53), and the power output end of the clamping drive power source is fixedly connected to the drive wheel (541). The drive wheel (541) is poweredly connected to the driven wheel (543) through the friction belt (542). The clamping screw (544) is fixedly connected to the driven wheel (543). The clamping slider (545) is threadedly engaged with the clamping screw (544). The clamping frame (51) is provided with two clamping slide rails (511), and four support blocks (512) are slidably connected to the clamping slide rails (511) respectively. Each pair of support blocks (512) forms a group, and a support panel (513) is fixedly connected above it. A clamping plate (514) and a bracket (515) are fixedly installed on the support panel (513). The pad (52) is installed on the bracket (515). The support panel (513) is also fixedly connected to the clamping slider (545). The clamping plate (514) is used to clamp the bridge span segment (E).

8. The bridge construction device according to claim 1, characterized in that, The support device (6) includes a support connecting plate (61), a support rod assembly (62), and a support rod telescopic mechanism (63). One side of the support connecting plate (61) is fixedly connected to the connecting plate (22), and the other side is provided with two support guide rails (611). A fixed rod (612) and a movable rod (613) are provided between the two support guide rails (611). The fixed rod (612) is fixedly connected to the two support guide rails (611), and the movable rod (613) is slidably connected to the two support guide rails (611). The support rod assembly (62) includes two first support rods (621) and two second support rods (622). One end of each of the two first support rods (621) is hinged to a fixed rod (612), and one end of each of the two second support rods (622) is hinged to a movable rod (613). The first support rods (621) and the second support rods (622) are hinged together by a connecting shaft (623). The support rod telescopic mechanism (63) includes a support screw (631) and a support drive mechanism (632). The power output end of the support drive mechanism (632) is fixedly connected to the support screw (631). The support screw (631) is threadedly engaged with the hollow threaded cylinder (633). The hollow threaded cylinder (633) is fixedly connected to the movable rod (613).

9. A construction method using the bridge construction apparatus according to any one of claims 1-8, characterized in that, Includes the following steps: S1, clamping device (5) clamps bridge span segment (E), lifting device (3) raises displacement adjustment device (4) so ​​that the bottom surface of bridge span segment (E) is higher than the ground; S2. The conveying device (1) moves along the erected bridge (D) to the side of the first pier (A); S3. The transfer device (2) works to send out the connecting plate (22), so that the lifting device (3), displacement adjustment device (4), clamping device (5) and the clamped bridge span segment (E) are located between the first pier (A) and the second pier (B), while the support device (6) is located above the third pier (C); the support device (6) works to support the third pier (C). S4. The displacement adjustment device (4) operates to adjust the position of the bridge span segment (E) relative to the first pier (A) and the second pier (B); S5. The lifting device (3) operates, causing the displacement adjustment device (4) to drive the clamping device (5) to descend, placing the bridge span segment (E) between the first pier (A) and the second pier (B).

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