A positioning device for installing a bridge shield along with the beam of a high-speed railway.

Abstract

This utility model provides a high-speed railway bridge cover plate installation and positioning device, relating to the field of bridge construction technology. It includes a limiting stop, one side of which has an end fixing structure and several height-adjustable support structures along its length. These two structures work together to fix the limiting stop on the bridge beam. The support structures are detachably connected to the limiting stop and are used to position and install the cover plate between the end fixing structure and the support structures, as well as between two adjacent support structures. This application uses the end fixing structure and the support structures to work together to fix the limiting stop on the bridge beam, thus assisting in limiting and positioning the cover plate installed in the installation area. During construction, this prevents the cover plate from slipping off the installation area and falling off the high-speed railway bridge, reducing safety hazards. Furthermore, it allows for simultaneous installation with the bridge beam, eliminating the need to wait for the beam to be fully completed, resulting in higher efficiency. On-site assembly, disassembly, and reuse save costs.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, and more specifically, to a high-speed railway bridge cover plate installation and positioning device. Background Technology

[0002] A bridge generally refers to a structure erected over rivers, lakes, or seas to allow vehicles and pedestrians to pass smoothly. High-speed railway bridges are also a type of bridge, specifically designed for high-speed trains. They are large-scale civil engineering structures built on high-speed railway lines to cross rivers, valleys, highways, or railways, or to ensure smooth track alignment and minimize the occupation of arable land. High-speed railway bridge shields are vertical precast concrete shields (mostly F-shaped) installed on both sides of the high-speed railway bridge, adjacent to the outer side of the protective / collision wall. They are arranged continuously along the longitudinal direction of the bridge deck and are the core components attached to the bridge deck.

[0003] In the construction of high-speed railway bridges, the shielding plates are usually installed directly in the shielding plate installation area. Since the shielding plates are installed on both sides of the high-speed railway bridge, direct installation without the installation of positioning devices for auxiliary limiting and positioning may cause them to slip off the installation area and fall off the high-speed railway bridge during the construction process, posing a safety hazard. Utility Model Content

[0004] The present invention aims to solve the safety hazard posed by the direct installation of the shield in the prior art, where the shield is installed without a positioning device for auxiliary limiting and positioning. During the construction process, the shield may slip off the installation area or fall off the high-speed railway bridge, posing a potential safety risk.

[0005] To solve the above problems, this utility model provides a high-speed railway bridge cover plate installation and positioning device, including a limiting stop. One side of the limiting stop is provided with an end fixing structure and several height-adjustable support structures along the length direction. The two work together to fix the limiting stop on the beam. The support structure is detachably connected to the limiting bracket and is used to position and install a cover plate between the end fixing structure and the support structure, as well as between two adjacent support structures.

[0006] The present invention provides a positioning device for the installation of a high-speed railway bridge cover plate along with the beam, which, compared with the prior art, has the following beneficial effects, but is not limited to: The high-speed railway bridge shielding installation and positioning device consists of an end fixing structure and several height-adjustable support structures installed along the length of one side of the limiting stop. The end fixing structure is installed at one end of the limiting stop, which is designated as the starting end of the limiting stop. During initial operation, the starting end of the limiting stop is fixed to the beam end block on the beam via the end fixing structure. Then, the height of each support structure is adjusted so that it rests on the top of the beam, providing auxiliary support to the limiting stop. Finally, each support structure is aligned with the outer portion of the A-wall reinforcement on the beam. The device is fixed in place and can also be disassembled, thus securing the entire installation and positioning device to the mounting area of ​​the cover plate on the beam. The first cover plate is installed next to the beam end block on the beam, positioned between the end fixing structure and an adjacent support structure. The inner side of the cover plate near the A-wall reinforcement on the beam is fixed to the A-wall reinforcement on the beam, thereby completing the positioning and installation of the first cover plate. Through the detachable connection between the support structure and the limiting stop, the support structure adjacent to the end fixing structure is then removed (to avoid interference when installing the next cover plate). Next to the first cover plate, install the second cover plate, repeating the above steps. After installing multiple cover plates along the length of the limiting stop, only one support structure at the end of the limiting stop is retained. The end fixing structure is removed from the beam end block on the beam, while maintaining its connection to the first end of the limiting stop. The end support structure is then disconnected from the beam (i.e., disconnected from the A-wall reinforcement on the beam). All disassembled support structures are then reinstalled on the limiting stop, forming a complete high-speed railway bridge cover plate installation and positioning device. During subsequent operations, the first end of the limiting stop is... The end is fixed to the last cover plate through the end fixing structure. The above actions are repeated to install and position the next batch of cover plates. The end fixing structure and the support structure work together to fix the limiting bracket on the beam, so that it can assist in limiting and positioning the cover plates installed in the installation area. During the construction work, the cover plates are prevented from slipping off the installation area, thus preventing them from falling off the high-speed railway bridge, reducing safety hazards. Moreover, it can be installed and positioned synchronously with the beam, without waiting for the beam to be fully completed, which is more efficient. It can be assembled on site, disassembled and reused, saving costs.

[0007] Furthermore, the end fixing structure includes a connecting plate and a first corner block welded to the top of the limiting stop. The first corner block is fixed to the connecting plate by fasteners. The connecting plate is detachably connected to the cover plate or to the beam end block on the beam body, and is used to install multiple cover plates one by one starting from the beam end block on the beam body.

[0008] Furthermore, the support structure includes a second crossbar and a height adjustment component connected to the second crossbar. One end of the second crossbar is detachably connected to the first crossbar of the limiting bracket via a first connector, and the other end of the second crossbar is detachably connected to the A-wall reinforcement on the beam via a second connector. The height adjustment component is used to adjust the height between the second crossbar and the top of the beam.

[0009] Furthermore, the bottom of the first crossbar of the limiting stop is provided with a plurality of shaft insertion holes along the length direction, and the first connecting member includes a second corner block fixedly connected to one end of the second crossbar and a rotating shaft that is inserted into the shaft insertion holes, and the bottom end of the rotating shaft is fixedly connected to the second corner block.

[0010] Furthermore, the second connector includes a C-shaped buckle, two pins, and a nut threadedly connected to the insertion end of the pins. The other end of the second crossbar is connected to the C-shaped buckle by two pins, and the outer part of the A-wall reinforcement on the beam is limited between the two pins. The other end of the second crossbar and the C-shaped buckle are provided with multiple pin holes that are inserted and cooperate with the insertion end of the pins.

[0011] Furthermore, the height adjustment component includes a counterweight base and a threaded rod threadedly connected to the second crossbar. The bottom end of the threaded rod is rotatably connected to the counterweight base, and a handle fixedly connected to the threaded rod is provided above the counterweight base.

[0012] Furthermore, the top of the connecting plate is provided with a through hole that is inserted and engaged with the pre-embedded screw on the cover plate or the pre-embedded screw on the beam end block, and the top of the connecting plate is provided with a fastening knob that is threadedly connected to the pre-embedded screw on the cover plate or the pre-embedded screw on the beam end block.

[0013] Furthermore, the fasteners include fastening bolts and fastening nuts, and both the connecting plate and the first corner block have through holes that are inserted and fitted with the fastening bolts.

[0014] Furthermore, a rubber pad is provided at the bottom of the counterweight base.

[0015] Furthermore, the limiting stop is made of multiple sections of square steel of different lengths welded together. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the high-speed railway bridge cover plate installation and positioning device according to an embodiment of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the high-speed railway bridge cover plate installation and positioning device according to an embodiment of the present invention. Figure 2 ; Figure 3This is a schematic diagram of the connection structure between the high-speed railway bridge cover plate installation and positioning device and the A-wall reinforcement in an embodiment of the present invention. Figure 4 This is an embodiment of the present utility model. Figure 3 Rear view; Figure 5 This is a schematic diagram of the connection structure between the connecting plate and the first corner block in an embodiment of this utility model; Figure 6 This is an embodiment of the present utility model. Figure 4 Enlarged view of position A in the image; Figure 7 This is a schematic diagram of the support structure according to an embodiment of the present utility model. Figure 1 ; Figure 8 This is a schematic diagram of the support structure according to an embodiment of the present utility model. Figure 2 ; Figure 9 This is an embodiment of the present utility model. Figure 7 Top view; Figure 10 This is a schematic diagram illustrating the usage state of the high-speed railway bridge shielding plate installation and positioning device on the beam, according to an embodiment of this utility model. Figure 1 ; Figure 11 This is a schematic diagram illustrating the usage state of the high-speed railway bridge shielding plate installation and positioning device on the beam, according to an embodiment of this utility model. Figure 2 .

[0017] Explanation of reference numerals in the attached figures: 1. Limiting stop; 101. First crossbar; 102. Shaft insertion hole; 2. End fixing structure; 201. Connecting plate; 202. First corner block; 203. Fastener; 204. Fastening knob; 205. Through hole one; 3. Support structure; 301. Second crossbar; 302. First connecting piece; 3021. Second corner block; 3022. Rotating shaft; 303. Second connecting piece; 3031. C-shaped buckle; 3032. Pin; 3033. Nut; 304. Height adjustment piece; 3041. Handle; 3042. Threaded rod; 3043. Counterweight base; 4. Cover plate; 5. Beam body; 501. Beam end block; 6. A-wall reinforcement; 7. Through hole two; 8. Pin insertion hole. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this application clearer, specific embodiments of this application are described clearly and completely below with reference to the accompanying drawings. It should be understood that the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments described in this application without creative effort will fall within the scope of protection of this application.

[0019] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the specification of this application is for the purpose of describing specific embodiments only and is not intended to limit this application; the terms "comprising," "including," "having," "containing," "comprise," etc., in the specification, claims, and accompanying drawings of this application are open-ended terms, indicating that a method comprises one or more steps, or an apparatus comprises one or more elements, but do not exclude the inclusion of other steps or elements. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or primary / secondary relationship. 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 indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", 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.

[0021] Furthermore, in the attached diagram, the X-axis represents the vertical direction, that is, the front-to-back position, and the positive direction of the X-axis (that is, the direction the arrow points to) represents the front, and the negative direction of the X-axis (that is, the direction opposite to the positive direction of the X-axis) represents the back; in the attached diagram, the Y-axis represents the horizontal direction, that is, the left-to-right position, and the positive direction of the Y-axis (that is, the direction the arrow points to) represents the left, and the negative direction of the Y-axis (that is, the direction opposite to the positive direction of the Y-axis) represents the right; in the attached diagram, the Z-axis represents the vertical direction, that is, the up-to-down position, and the positive direction of the Z-axis (that is, the direction the arrow points to) represents the up, and the negative direction of the Z-axis (that is, the direction opposite to the positive direction of the Z-axis) represents the down.

[0022] It should also be noted that the aforementioned X-axis, Y-axis and Z-axis are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0025] See Figure 1 , Figure 3 , Figure 10 and Figure 11 The present invention provides a high-speed railway bridge cover plate installation and positioning device, including a limiting bracket 1. One side of the limiting bracket 1 is provided with an end fixing structure 2 and several height-adjustable support structures 3 along the length direction. The two work together to fix the limiting bracket 1 on the beam 5. The support structure 3 is detachably connected to the limiting bracket 1, and is used to position and install the cover plate 4 between the end fixing structure 2 and the support structure 3 and between two adjacent support structures 3.

[0026] In this embodiment, the high-speed railway bridge shielding installation and positioning device for the beam is achieved by installing an end fixing structure 2 and several height-adjustable support structures 3 along the length of one side of the limiting stop 1. The end fixing structure 2 is installed at one end of the limiting stop 1, which is the first end of the limiting stop 1. During initial operation, the first end of the limiting stop 1 is installed and fixed to the beam end block 501 on the beam body 5 through the end fixing structure 2. Then, the height of each support structure 3 is adjusted so that when the support structure 3 rests on the top of the beam body 5, it provides auxiliary support to the limiting stop 1. Finally, each support structure 3 is connected to the outer side of the A-wall reinforcement 6 on the beam body 5. The first cover plate 4 is fixed in the installation area of ​​the beam body 5, and can also be disassembled. The first cover plate 4 is installed next to the beam end block 501 on the beam body 5, positioned between the end fixing structure 2 and an adjacent support structure 3. The inner side of the cover plate 4 near the A-wall reinforcement 6 on the beam body 5 is fixed to the A-wall reinforcement 6 on the beam body 5, thus completing the positioning installation of the first cover plate 4. Through the detachable connection between the support structure 3 and the limiting stop 1, the support structure 3 adjacent to the end fixing structure 2 is then disassembled. To avoid interference during the installation of the next cover plate 4, remove the first cover plate 4 and install the second cover plate 4 next to the first cover plate 4. Repeat the above actions to complete the positioning and installation of multiple cover plates 4 along the length of the limiting bracket 1. After the multiple support structures 3 are positioned and installed, only one support structure 3 installed at the end of the limiting bracket 1 is retained. The end fixing structure 2 is removed from the beam end block 501 on the beam body 5, while maintaining its connection with the first end of the limiting bracket 1. The end support structure 3 is disconnected from the beam body 5 (i.e., disconnected from the A wall reinforcement 6 on the beam body 5). The disassembled support structures 3 are reinstalled on the limiting bracket 1 to form a complete high-speed railway bridge cover plate installation and positioning device with the beam. During the next operation, the first end of the limiting stop 1 is installed and fixed to the last cover plate 4 through the end fixing structure 2. The above actions are repeated to carry out the installation and positioning work of the next batch of cover plates 4. The limiting stop 1 is fixed on the beam 5 by the joint of the end fixing structure 2 and the support structure 3, so that it can assist in limiting and positioning the cover plates 4 installed in the installation area. During the construction work, the cover plates 4 are prevented from slipping off the installation area, thereby preventing them from falling off the high-speed railway bridge, reducing safety hazards. Moreover, it can be installed and positioned synchronously with the beam without waiting for the beam 5 to be fully completed, which is more efficient. It can be assembled on site, disassembled and reused, saving costs.

[0027] See Figure 4Optionally, the end fixing structure 2 includes a connecting plate 201 and a first corner block 202 welded to the top of the limiting bracket 1. The first corner block 202 is fixed to the connecting plate 201 by fasteners 203. The connecting plate 201 is detachably connected to the cover plate 4 or to the beam end block 501 on the beam body 5, for installing multiple cover plates 4 one by one starting from the beam end block 501 on the beam body 5.

[0028] In this embodiment, the connecting plate 201 is fixed to the first end of the limiting bracket 1 by fasteners 203. When used for the first time, the limiting bracket 1 is installed and fixed to the beam end block 501 on the beam body 5 by the connecting plate 201. The supporting structure 3 provides auxiliary support for the limiting bracket 1 on the beam body 5, which facilitates the initial operation. Multiple cover plates 4 are positioned and installed in the corresponding installation area along the length direction of the limiting bracket 1. After one completion, the connecting plate 201 is detached from the beam end block 501 on the beam body 5 by the detachable connection between the connecting plate 201 and the cover plate 4 or the beam end block 501 on the beam body 5, and then installed on the end cover plate 4 installed at the end. The next batch of cover plates 4 is then installed and positioned one by one, starting from the beam end block 501 on the beam body 5.

[0029] See Figure 4 and Figure 7 Optionally, the support structure 3 includes a second horizontal bar 301 and a height adjustment component 304 connected to the second horizontal bar 301. One end of the second horizontal bar 301 is detachably connected to the first horizontal bar 101 of the limiting bracket 1 through a first connector 302, and the other end of the second horizontal bar 301 is detachably connected to the A-wall steel bar 6 on the beam 5 through a second connector 303. The height adjustment component 304 is used to adjust the height between the second horizontal bar 301 and the top of the beam 5.

[0030] In this embodiment, one end of the second horizontal bar 301 is detachably connected to the first horizontal bar 101 of the limiting bracket 1 via the first connector 302. This facilitates the installation, fixing, and disassembly of the support structure 3 and the first horizontal bar 101 of the limiting bracket 1. After each support structure 3 is installed and fixed to the first horizontal bar 101 of the limiting bracket 1 via one end of the second horizontal bar 301, the height between the second horizontal bar 301 and the top of the beam 5 is adjusted by the height adjustment component 304, so that the second horizontal bar 301 rests on the top of the beam 5. Then, the other end of the second horizontal bar 301 is connected and fixed to the outer part of the A-wall reinforcement 6 on the beam 5 via the second connector 303. Furthermore, it can be disassembled, thereby providing auxiliary support for the limiting stop 1 through multiple support structures 3, improving its stability. When installing multiple cover plates 4 one by one, install one cover plate 4 from the first end of the limiting stop 1 and disassemble one support structure 3 until the last cover plate 4 of a batch is installed. Then, disconnect the end support structure 3 from the beam 5 (i.e., disconnect it from the A wall steel bar 6 on the beam 5), and keep this end support structure 3 connected to the first horizontal bar 101 of the limiting stop 1. Reinstall and connect the disassembled support structure 3 to the first horizontal bar 101 of the limiting stop 1, and then carry out the positioning and installation work of the next batch of cover plates 4.

[0031] See Figure 2 , Figure 4 and Figure 6 Optionally, the bottom of the first crossbar 101 of the limiting stop 1 is provided with a plurality of shaft insertion holes 102 along the length direction. The first connecting member 302 includes a second corner block 3021 fixedly connected to one end of the second crossbar 301 and a rotating shaft 3022 inserted into the shaft insertion holes 102, and the bottom end of the rotating shaft 3022 is fixedly connected to the second corner block 3021.

[0032] In this embodiment, a suitable shaft insertion hole 102 is selected on the first horizontal bar 101 of the limiting stop 1, and a rotating shaft 3022 is inserted into the shaft insertion hole 102, so that the second corner block 3021 supports the limiting stop 1, and further supports the limiting stop 1 with the second horizontal bar 301. When it is necessary to adjust the position of the second horizontal bar 301, within the range of rotation adjustment, the rotating shaft 3022 rotates in the shaft insertion hole 102, thereby realizing the rotation of the second horizontal bar 301 on the first horizontal bar 101 of the limiting stop 1, and thus realizing the adjustment of the position of the second horizontal bar 301 by rotation.

[0033] Specifically, the first corner piece 202 and the second corner piece 3021 can be made of angle steel.

[0034] See Figure 4 and Figures 7-9Optionally, the second connector 303 includes a C-shaped buckle 3031, two pins 3032, and a nut 3033 threadedly connected to the insertion end of the pins 3032. The other end of the second crossbar 301 is connected to the C-shaped buckle 3031 by the two pins 3032, and the outer part of the A wall steel bar 6 on the beam 5 is limited between the two pins 3032. The other end of the second crossbar 301 and the C-shaped buckle 3031 are provided with a plurality of pin holes 8 that are inserted and cooperate with the insertion end of the pins 3032.

[0035] In this embodiment, when fixing the other end of the second horizontal bar 301 to the outer part of the A-wall reinforcement 6 on the beam 5, the outer part of the A-wall reinforcement 6 on the beam 5 is fastened into the C-shaped buckle 3031. Then, the pin hole 8 on the C-shaped buckle 3031 is aligned with the pin hole 8 at the other end of the second horizontal bar 301 (the C-shaped buckle 3031 is installed on the front or rear side of the other end of the second horizontal bar 301 as needed). The pin 3032 is used to insert its insertion end into the aligned pin hole 8 on the C-shaped buckle 3031 and the pin hole 8 at the other end of the second horizontal bar 301, and through it. After the two pins 3032 are inserted, the outer part of the A-wall reinforcement 6 is secured. Partially limited between two pins 3032, and finally, nuts 3033 are screwed onto the through-plug ends of both pins 3032 for fixation to prevent the pins 3032 from falling off. This facilitates the fixation of the other end of the second horizontal bar 301 to the outer part of the A-wall steel bar 6 on the beam 5, and further generates an inward pulling tendency for the limiting bracket 1 to position the cover plate 4 during installation. In addition, the position of the second horizontal bar 301 can be adjusted by rotating it on the first horizontal bar 101 of the limiting bracket 1, which facilitates the fixation of the other end of the second horizontal bar 301 to the outer part of the A-wall steel bar 6 on the beam 5. Reverse operation can achieve disassembly.

[0036] See Figure 7 Optionally, the height adjustment component 304 includes a counterweight base 3043 and a threaded rod 3042 that is threadedly connected to the second crossbar 301. The bottom end of the threaded rod 3042 is rotatably connected to the counterweight base 3043, and a handle 3041 that is fixedly connected to the threaded rod 3042 is provided on the top of the counterweight base 3043.

[0037] In this embodiment, the counterweight base 3043 has its own weight. By using a finger to turn the handle 3041, the threaded rod 3042 is driven to thread on the second crossbar 301, which facilitates the counterweight base 3043 moving closer to or away from the top of the beam 5. When the counterweight base 3043 is on the beam 5, the bottom end of the threaded rod 3042 is rotatably connected to the counterweight base 3043, and the handle 3041 can be turned with a finger to drive the threaded rod 3042 to thread on the second crossbar 301. After the limiting stop 1 is fixed to the cover plate 4 through the end fixing structure 2 or to the beam end block 501 on the beam 5, the counterweight base 3043 can fully contact the top of the beam 5, avoiding the counterweight base 3043 being suspended and without force. Thus, the counterweight base 3043 on the beam 5 allows the entire height adjustment component 304 to stably support the limiting stop 1 via the second crossbar 301.

[0038] See Figure 5 Optionally, the top of the connecting plate 201 is provided with a through hole 205 that is inserted and engaged with the pre-embedded screw on the cover plate 4 or the pre-embedded screw on the beam end block 501, and the top of the connecting plate 201 is provided with a fastening knob 204 that is threadedly connected to the pre-embedded screw on the cover plate 4 or the pre-embedded screw on the beam end block 501.

[0039] In this embodiment, during the initial operation, when the first end of the limiting stop 1 is fixedly installed to the beam end block 501 on the beam body 5 via the end fixing structure 2, the pre-embedded screws on the beam end block 501 are passed through the through holes 205 on the connecting plate 201, and the connecting plate 201 is placed over the top of the beam end block 501. Then, fastening knobs 204 are screwed onto the pre-embedded screws on each beam end block 501 passing through the through holes 205, and the fastening knobs 204 are tightened (when tightened, the fastening knobs 204 are tightly pressed against the upper surface of the connecting plate 201), thereby facilitating the installation and fixing of the first end of the limiting stop 1 to the beam end block 501 on the beam body 5 via the end fixing structure 2. Conversely, it can be disassembled; after disassembly... When continuing the work, when fixing the first end of the limit stop 1 to the last cover plate 4 that has been installed and positioned through the end fixing structure 2, the pre-embedded screws on the cover plate 4 are passed through the through holes 205 on the connecting plate 201, and the connecting plate 201 is covered on the top of the cover plate 4. Then, tightening knobs 204 are screwed on the pre-embedded screws on the cover plate 4 that pass through the through holes 205, and the tightening knobs 204 are tightened tightly (when tightened, the tightening knobs 204 are tightly pressed against the upper surface of the connecting plate 201). This makes it easy to install and fix the first end of the limit stop 1 to the last cover plate 4 that has been installed and positioned through the end fixing structure 2. Otherwise, it can be disassembled and the next operation can continue.

[0040] See Figure 4 and Figure 5Optionally, the fastener 203 includes a fastening bolt and a fastening nut, and both the connecting plate 201 and the first corner block 202 are provided with through holes 7 that are inserted and fitted with the fastening bolt.

[0041] In this embodiment, the through holes 7 on the connecting plate 201 and the first corner block 202 are aligned, and then a fastening bolt is inserted and passed through. The fastening bolt is then tightened at the through end, which facilitates the installation and fixation between the connecting plate 201 and the first corner block 202.

[0042] See Figure 7 Optionally, the bottom of the counterweight base 3043 is provided with a rubber pad.

[0043] In this embodiment, when the top surface / part of the beam 5 is uneven, when the counterweight base 3043 falls on the top surface / part of the beam 5, the gap between the counterweight base 3043 and the top surface / part of the beam 5 is filled by the elastic action of the rubber pad, thereby improving the stability of the counterweight base 3043 when it is used on the top surface / part of the beam 5.

[0044] See Figure 4 and Figure 6 Optionally, the limit stop 1 is made of multiple sections of square steel of different lengths welded together.

[0045] In this embodiment, the square steel structure has high strength and sufficient rigidity. The limiting bracket 1 is made by welding multiple sections of square steel of different lengths, which can withstand the limiting force during the installation of the cover plate 4. It is not easy to bend or deform, and can stably provide limiting support for the cover plate 4, ensuring construction safety. Moreover, the square steel material has high cost performance, wide availability, and is easy to obtain from the construction site.

[0046] Although the present invention has been disclosed above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the scope of protection of the present invention.

Claims

1. A high-speed railway bridge shutter beam-mounted positioning device, characterized in that, It includes a limiting stop (1), and one side of the limiting stop (1) is provided with an end fixing structure (2) and several height-adjustable support structures (3) along the length direction. The two work together to fix the limiting stop (1) on the beam (5). The support structure (3) is detachably connected to the limiting bracket (1) and is used to position and install the cover plate (4) between the end fixing structure (2) and the support structure (3) and between two adjacent support structures (3).

2. The high-speed railway bridge screen mounting positioning device according to claim 1, characterized in that, The end fixing structure (2) includes a connecting plate (201) and a first corner block (202) welded to the top of the limiting bracket (1). The first corner block (202) is fixed to the connecting plate (201) by fasteners (203). The connecting plate (201) is detachably connected to the cover plate (4) or to the beam end block (501) on the beam body (5) for installing multiple cover plates (4) one by one starting from the beam end block (501) on the beam body (5).

3. The high-speed railway bridge shutter positioning device according to claim 1, wherein, The support structure (3) includes a second crossbar (301) and a height adjustment component (304) connected to the second crossbar (301). One end of the second crossbar (301) is detachably connected to the first crossbar (101) of the limiting bracket (1) through a first connector (302). The other end of the second crossbar (301) is detachably connected to the A-wall steel bar (6) on the beam (5) through a second connector (303). The height adjustment component (304) is used to adjust the height between the second crossbar (301) and the top of the beam (5).

4. The high-speed railway bridge shutter positioning device according to claim 3, wherein, The bottom of the first crossbar (101) of the limiting stop (1) is provided with a plurality of shaft insertion holes (102) along the length direction. The first connecting member (302) includes a second corner block (3021) fixedly connected to one end of the second crossbar (301) and a rotating shaft (3022) inserted into the shaft insertion hole (102), and the bottom end of the rotating shaft (3022) is fixedly connected to the second corner block (3021).

5. The high-speed railway bridge shutter positioning device according to claim 3, wherein, The second connector (303) includes a C-shaped buckle (3031), two pins (3032), and a nut (3033) threadedly connected to the insertion end of the pins (3032). The other end of the second crossbar (301) is connected to the C-shaped buckle (3031) by the two pins (3032) and limits the outer part of the A wall steel bar (6) on the beam (5) between the two pins (3032). The other end of the second crossbar (301) and the C-shaped buckle (3031) are provided with multiple pin holes (8) that are inserted and cooperate with the insertion end of the pins (3032).

6. The high-speed railway bridge shutter positioning device according to claim 3, wherein, The height adjustment component (304) includes a counterweight base (3043) and a threaded rod (3042) threadedly connected to the second crossbar (301). The bottom end of the threaded rod (3042) is rotatably connected to the counterweight base (3043). A handle (3041) fixedly connected to the threaded rod (3042) is provided above the counterweight base (3043).

7. The high-speed railway bridge shutter positioning device according to claim 2, wherein, The top of the connecting plate (201) is provided with a through hole (205) that is inserted and matched with the pre-embedded screw on the cover plate (4) or the pre-embedded screw on the beam end block (501). The top of the connecting plate (201) is provided with a fastening knob (204) that is threadedly connected to the pre-embedded screw on the cover plate (4) or the pre-embedded screw on the beam end block (501).

8. The high-speed railway bridge shutter positioning device according to claim 2, wherein, The fastener (203) includes a fastening bolt and a fastening nut. Both the connecting plate (201) and the first corner block (202) are provided with through holes (7) that are inserted and fitted with the fastening bolt.

9. The high-speed railway bridge shutter positioning device according to claim 6, wherein, The bottom of the counterweight base (3043) is provided with a rubber pad.

10. The high-speed railway bridge screen mounting positioning device according to claim 1, wherein, The limiting stop (1) is made of multiple sections of square steel of different lengths welded together.

Images