Simple positioning device for box girder bridge plate

Abstract

The utility model discloses a box girder bridge card installation simple positioning device, the utility model relates to box girder technical field. The box girder bridge card installation simple positioning device, including positioning frock, positioning frock includes a plurality of PPR pipes, elbow and tee, the top of positioning frock is provided with fixed mechanism, and fixed mechanism includes fixed seat, and the bottom of fixed seat is provided with the clamping slot, and the top of fixed seat is provided with the mounting groove, and the inside of mounting groove is provided with the pressing plate, and the outer surface fixedly connected with connecting rod of pressing plate, and the one end of connecting rod away from pressing plate is equipped with fixed cylinder, and the one end fixedly connected with first magnetic block of connecting rod away from pressing plate, and the inside fixedly connected with second magnetic block of fixed cylinder, and the one end fixedly connected with the push -plate of fixed cylinder away from connecting rod, the utility model has realized the quick fixing of bridge card and single -person operation, and the installation time has been greatly shortened, and the manual cost has been reduced significantly, and the installation efficiency of box girder bridge card has been improved.

Description

Technical Field

[0001] This utility model relates to the field of box girder technology, specifically a simple positioning device for installing bridge signs on box girders. Background Technology

[0002] Box girders are a type of beam structure widely used in bridge engineering. Their cross-section is a closed box shape, typically composed of a top plate, bottom plate, web, and flanges. This design achieves efficient material utilization through a hollow cross-section, reducing structural weight while significantly improving bending and torsional stiffness, making it particularly suitable for the construction of long-span bridges. Box girders come in various structural forms, including single-cell and multi-cell designs, allowing for flexible selection based on load requirements. Construction can employ precast assembly or cast-in-place processes, with prestressed concrete box girders effectively controlling cracking and enhancing durability. Bridge plaques on box girders, as an indispensable part of bridge engineering, serve an important information identification function.

[0003] When installing bridge signs on existing precast beams, it is not easy to find reference points for positioning the bridge signs, resulting in positional deviations during installation. Furthermore, it requires two people to install the bridge signs, increasing labor costs. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a simple positioning device for installing precast bridge bridge markers, thereby solving the problems mentioned in the background art, such as the difficulty in finding positioning reference points during the installation of precast bridge markers, which leads to positional deviations and the need for two people to work, increasing labor costs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a simple positioning device for installing box girder bridge plates, comprising a positioning fixture, which includes multiple PPR pipes, elbows, and tees. A fixing mechanism is provided at the top of the positioning fixture, and the fixing mechanism includes a fixing seat. A slot is provided at the bottom of the fixing seat, and an installation groove is provided at the top of the fixing seat. A pressure plate is provided inside the installation groove. A connecting rod is fixedly connected to the outer surface of the pressure plate. A fixing cylinder is fitted onto the end of the connecting rod away from the pressure plate. A first magnetic block is fixedly connected to the end of the connecting rod away from the pressure plate. A second magnetic block is fixedly connected inside the fixing cylinder. A push plate is fixedly connected to the end of the fixing cylinder away from the connecting rod.

[0006] Preferably, the positioning fixture is assembled from multiple PPR pipes, elbows and tees, and the fixing mechanism is set at the top of the PPR pipe at the top of the positioning fixture, and a bridge plate is set in the mounting groove at the top of the fixing mechanism.

[0007] Preferably, the inner wall of the slot is provided with a first rubber pad, the slot is adapted to the end of the PPR pipe, the inner wall of the fixing seat is provided with a first groove, the inner wall of the first groove is provided with a second groove, and the pressure plate is symmetrically arranged inside the mounting groove.

[0008] Preferably, a second rubber pad is provided on the opposite side of the pressure plate, the outer surface of the push plate is adapted to the first groove, and a connector is fixedly connected to the side of the push plate away from the fixed cylinder, the outer surface of the connector being adapted to the second groove.

[0009] Preferably, the second magnetic block is positioned opposite the first magnetic block, a third rubber pad is provided on the side of the first magnetic block away from the second magnetic block, screws are threadedly connected to both sides of the fixing base, one end of the screw is rotatably connected to the connector, and a rotating block is fixedly connected to the end of the screw away from the connector.

[0010] Preferably, guide rods are sleeved on both sides of the fixed base, the push plate is sleeved on the outer surface of the guide rods, and one end of the guide rod is fixedly connected to the pressure plate. Beneficial effects

[0011] This utility model provides a simple positioning device for installing bridge markers on box girders. It has the following beneficial effects:

[0012] 1. The simple positioning device for installing bridge signs on box girders utilizes a design that integrates the positioning fixture with the chamfered structure of the web at the end of the box girder. This allows for direct and precise positioning of the bridge sign at the web corner, enabling rapid and accurate installation. The lightweight frame is assembled using PPR pipes, elbows, and tees, and combined with the self-adaptive clamping of the fixing mechanism, it allows for rapid fixing of the bridge sign and single-person operation. This significantly reduces installation time, substantially lowers labor costs, and improves the installation efficiency of box girder bridge signs.

[0013] 2. The simple positioning device for installing bridge plates on the box girder significantly improves the reliability and safety of bridge plate fixing through the dual design of adaptive clamping by magnetic repulsion and screw reinforcement. When the bridge plate is inserted, the pressure plate drives the first magnetic block to approach the second magnetic block inside the fixing cylinder. Adaptive clamping is achieved by using like magnetic repulsion. The rotating block drives the screw to push the push plate, which can force the two magnetic blocks to approach further, multiplying the magnetic repulsion to strengthen the locking and effectively prevent the bridge plate from falling off during transportation or installation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the fixing mechanism of this utility model;

[0016] Figure 3 This is a cross-sectional structural diagram of the fixing mechanism of this utility model;

[0017] Figure 4 This is a structural diagram of the present invention when the bridge deck is fixed as a whole.

[0018] In the diagram: 1. Positioning fixture; 101. PPR pipe; 102. Elbow; 103. T-joint; 2. Fixing mechanism; 201. Fixing seat; 202. Slot; 203. First rubber pad; 204. Mounting slot; 205. First groove; 206. Second groove; 207. Pressure plate; 208. Second rubber pad; 209. Connecting rod; 210. Push plate; 211. Fixing cylinder; 212. First magnetic block; 213. Second magnetic block; 214. Third rubber pad; 215. Connector; 216. Screw; 217. Rotary block; 218. Guide rod; 3. Bridge. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figure 1-4 As shown, this utility model provides a simple positioning device for installing box girder bridge plates, including a positioning fixture 1. The positioning fixture 1 includes multiple PPR pipes 101, elbows 102 and tees 103. A fixing mechanism 2 is provided on the top of the positioning fixture 1. The fixing mechanism 2 includes a fixing seat 201. A slot 202 is provided at the bottom of the fixing seat 201. An installation groove 204 is provided on the top of the fixing seat 201. A pressure plate 207 is provided inside the installation groove 204. A connecting rod 209 is fixedly connected to the outer surface of the pressure plate 207. A fixing cylinder 211 is sleeved on the end of the connecting rod 209 away from the pressure plate 207. A first magnetic block 212 is fixedly connected to the end of the connecting rod 209 away from the pressure plate 207. A second magnetic block 213 is fixedly connected inside the fixing cylinder 211. A push plate 210 is fixedly connected to the end of the fixing cylinder 211 away from the connecting rod 209.

[0021] Specifically, the positioning fixture 1 is assembled from multiple PPR pipes 101, elbows 102 and tees 103. The fixing mechanism 2 is set at the top of the PPR pipes 101 on the top of the positioning fixture 1. A bridge 3 is set in the mounting groove 204 at the top of the fixing mechanism 2. The PPR pipes 101, elbows 102 and tees 103 can be quickly assembled into a lightweight and customizable positioning fixture 1.

[0022] Specifically, the inner wall of the slot 202 is provided with a first rubber pad 203, the slot 202 is adapted to the end of the PPR pipe 101, the inner wall of the fixing seat 201 is provided with a first groove 205, the inner wall of the first groove 205 is provided with a second groove 206, and the pressure plate 207 is symmetrically arranged inside the mounting groove 204. The slot 202 is adapted to the PPR pipe 101 to ensure that the fixing mechanism 2 can be stably fitted on the top of the positioning fixture 1. The first rubber pad 203 increases friction and prevents hard contact damage to the pipe, ensuring a stable connection without slippage.

[0023] Specifically, a second rubber pad 208 is provided on the opposite side of the pressure plate 207, the outer surface of the push plate 210 is adapted to the first groove 205, a connector 215 is fixedly connected to the side of the push plate 210 away from the fixed cylinder 211, the outer surface of the connector 215 is adapted to the second groove 206, and the second rubber pad 208 covers the clamping surface of the pressure plate 207 to protect the surface of the bridge card 3 from being scratched, while increasing the friction to prevent the bridge card 3 from accidentally sliding in the clamping state.

[0024] Specifically, the second magnetic block 213 is positioned opposite the first magnetic block 212. A third rubber pad 214 is provided on the side of the first magnetic block 212 away from the second magnetic block 213. Screws 216 are threadedly connected to both sides of the fixing base 201. One end of the screw 216 is rotatably connected to the connector 215, and a rotating block 217 is fixedly connected to the end of the screw 216 away from the connector 215. The opposing arrangement of the first magnetic block 212 and the second magnetic block 213 is the force source for achieving adaptive clamping. When the bridge 3 is inserted, the pressure plate 207 is pushed open, causing the first magnetic block 212 to approach the second magnetic block 213. The magnetic repulsion force pushes the pressure plate 207 to clamp the bridge 3. The third rubber pad 214 is used to provide protection when the first magnetic block 212 is reset.

[0025] Specifically, guide rods 218 are sleeved on both sides of the fixed base 201, and push plate 210 is sleeved on the outer surface of the guide rods 218. One end of the guide rods 218 is fixedly connected to the pressure plate 207. The guide rods 218 provide rigid and precise linear guidance for the linear movement of the push plate 210.

[0026] The working principle of the above embodiments:

[0027] In use, first assemble the positioning fixture 1 using multiple PPR pipes 101, elbows 102, and tees 103. Then, snap the slot 202 at the bottom of the fixing mechanism 2 onto the top of the PPR pipe 101 at the top of the positioning fixture 1. The first rubber pad 203 helps prevent displacement of the fixing seat 201. After installing the fixing mechanism 2, place the bridge plate 3 between the two pressure plates 207. The inclined portions at the top of the two pressure plates 207 facilitate the insertion of the bridge plate 3. As the bridge plate 3 is inserted, the pressure plates 207 move to both sides, connecting... Rod 209 moves the first magnetic block 212 closer to the second magnetic block 213. Due to the repulsion between the first magnetic block 212 and the second magnetic block 213, after the bridge plate 3 is fully inserted, the magnetic repulsion between the first magnetic block 212 and the second magnetic block 213 will cause the two pressure plates 207 to press and fix the bridge plate 3. The second rubber pad 208 contacts the surface of the bridge plate 3, which can prevent the bridge plate 3 from shifting between the two pressure plates 207. After fixing the bridge plate 3, the positioning fixture 1 is directly installed on the web of the box girder, with the help of the box girder's internal box-type The chamfered corners of the end web plate secure the positioning fixture 1, preventing it from loosening. After positioning, the worker uses a lithium battery-powered drill to first fix the two screws at the top of the bridge plate 3, then pulls down the fixing mechanism 2 of the positioning fixture 1 to move away from the bridge plate 3. After removing the positioning fixture 1, the remaining two screws are fixed, and the positioning and installation of the bridge plate 3 is complete. When the bridge plate 3 is clamped by the two pressure plates 207, the screw 216 can be rotated and moved towards the pressure plates 207 by rotating the rotating block 217. Under the constraint of the push plate 210 by 218, and through the rotational connection between the screw 216 and the connector 215, the push plate 210 moves towards the pressure plate 207 under the push of the screw 216. The second magnetic block 213 approaches the first magnetic block 212, and the magnetic repulsion between the two increases, which increases the clamping force of the pressure plate 207 on the bridge card 3. This can further improve the firmness of the fixing mechanism 2 in fixing the bridge card 3, so as to prevent the bridge card 3 from falling off during the process of picking up, moving or installing the positioning fixture 1.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A simple positioning device for installing bridge plaques on box girders, comprising positioning fixture (1), characterized in that: The positioning fixture (1) includes multiple PPR pipes (101), elbows (102) and tees (103). The top of the positioning fixture (1) is provided with a fixing mechanism (2). The fixing mechanism (2) includes a fixing seat (201). The bottom of the fixing seat (201) is provided with a slot (202). The top of the fixing seat (201) is provided with an installation slot (204). The inside of the installation slot (204) is provided with a pressure plate (207). The outer surface of the pressure plate (207) is fixedly connected with a connecting rod (209). The end of the connecting rod (209) away from the pressure plate (207) is fitted with a fixing cylinder (211). The end of the connecting rod (209) away from the pressure plate (207) is fixedly connected with a first magnetic block (212). The inside of the fixing cylinder (211) is fixedly connected with a second magnetic block (213). The end of the fixing cylinder (211) away from the connecting rod (209) is fixedly connected with a push plate (210).

2. The simplified positioning device for installing bridge markers on box girders according to claim 1, characterized in that: The positioning fixture (1) is assembled from multiple PPR pipes (101), elbows (102) and tees (103). The fixing mechanism (2) is set at the top of the PPR pipe (101) at the top of the positioning fixture (1). A bridge (3) is set in the mounting groove (204) at the top of the fixing mechanism (2).

3. The simplified positioning device for installing bridge markers on box girders according to claim 1, characterized in that: The inner wall of the slot (202) is provided with a first rubber pad (203), the slot (202) is adapted to the end of the PPR pipe (101), the inner wall of the fixing seat (201) is provided with a first groove (205), the inner wall of the first groove (205) is provided with a second groove (206), and the pressure plate (207) is symmetrically arranged inside the mounting groove (204).

4. The simplified positioning device for installing bridge markers on box girders according to claim 3, characterized in that: The pressure plate (207) is provided with a second rubber pad (208) on its opposite side. The outer surface of the push plate (210) is adapted to the first groove (205). A connector (215) is fixedly connected to the side of the push plate (210) away from the fixed cylinder (211). The outer surface of the connector (215) is adapted to the second groove (206).

5. A simplified positioning device for installing bridge markers on box girders according to claim 4, characterized in that: The second magnetic block (213) is positioned opposite the first magnetic block (212). A third rubber pad (214) is provided on the side of the first magnetic block (212) away from the second magnetic block (213). The fixing base (201) is threaded with screws (216) on both sides. One end of the screw (216) is rotatably connected to the connector (215). A screw block (217) is fixedly connected to the end of the screw (216) away from the connector (215).

6. The simplified positioning device for installing bridge markers on box girders according to claim 1, characterized in that: Guide rods (218) are sleeved on both sides of the fixed base (201), and the push plate (210) is sleeved on the outer surface of the guide rods (218). One end of the guide rods (218) is fixedly connected to the pressure plate (207).

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