Bridge pier protection device for construction near blasting

Abstract

The utility model provides a kind of bridge pier protection device of adjacent blasting construction, including the hoop being fixed on bridge pier in up-down direction, the hoop is equipped with the suspension rod being distributed along hoop extension direction, rubber tire is hung on the suspension rod, bamboo curtain covering the rubber tire is wrapped on the bridge pier, the hanging cable is equipped on the bamboo curtain, and the hanging cable is fixed on the suspension rod so that bamboo curtain is fixed. The utility model aims at providing a kind of bridge pier protection device of adjacent blasting construction with good effect of safety protection to bridge pier, solve the problem of poor protection reliability of existing protection mode.

Description

Technical Field

[0001] This utility model relates to the field of blasting protection technology, and in particular to a bridge pier protection device for near-blasting construction. Background Technology

[0002] When a bridge is near a blasting site, appropriate protective measures must be taken for the bridge piers to prevent damage from flying debris. On-site, waste rubber tires are typically fixed tightly to the surface of the bridge pier, and then wrapped with a layer of geotextile to form a shock-absorbing curtain. This shock-absorbing curtain method has the following drawbacks: ① Fixing the rubber tires involves drilling holes in the tires, threading nylon ropes through the holes, and then tightening the ropes to the pier to secure the tires. This method is labor-intensive and time-consuming, and prone to slippage; ② Wrapping the outer surface with geotextile is not sufficiently safe, as debris from the blast can easily tear the geotextile, thus affecting the safety of the pier. Therefore, the protection of bridge piers near blasting sites urgently needs to be effectively addressed. Utility Model Content

[0003] The present invention aims to provide a bridge pier protection device with good safety protection effect for bridge pier construction near blasting, and solves the problem of poor protection reliability of existing protection methods.

[0004] To achieve the above objectives, this utility model employs the following technology: a bridge pier protection device for near-blasting construction, characterized in that it includes a clamp fixed to the bridge pier in a vertical direction, a suspension rod distributed along the extension direction of the clamp, a rubber tire suspended from the suspension rod, and a bamboo curtain covering the rubber tire wrapped around the bridge pier. The bamboo curtain is equipped with a hanging cable, which is fixed to the suspension rod to secure the bamboo curtain. This device effectively resists earthquakes, provides reliable fixation, and allows for easy disassembly, installation, and reuse.

[0005] Preferably, the end of the hanging rope is provided with a hook for hanging on a suspension rod. This improves the convenience and reliability of fixing the bamboo curtain.

[0006] Preferably, the lanyard is wound around one of the suspension rods, and the hook groove on the lanyard is on another suspension rod with the same clamp. This ensures reliable fixation.

[0007] Preferably, the bamboo curtain is provided with hanging cables at both ends along the circumference of the bridge pier, with the same number of cables distributed vertically as the number of clamps. The hanging cables on the same side of the bamboo curtain are fixed to the clamps one-to-one. This provides better fixing reliability.

[0008] Preferably, the clamp comprises two semi-rings, each with an outward folded edge at both ends and a screw hole on the outward folded edge. The two semi-rings surround the bridge pier, and two bolts, one-to-one, pass through the screw holes on the outward folded edges of the two semi-rings and are then connected to two nuts, thereby fixing the clamp to the bridge pier. This provides a specific technical solution for the clamp.

[0009] Preferably, the inner circumferential surface of the semi-ring is provided with several anti-slip protrusions, which can improve the reliability of the fixation.

[0010] Preferably, the semi-ring has a spring-loaded structure, with a rubber layer on its inner circumferential surface, and the anti-slip protrusions are disposed on the rubber layer. This provides good anti-slip performance.

[0011] Preferably, the anti-slip protrusions are integrally formed with the rubber layer. This ensures a reliable connection and ease of manufacturing.

[0012] Preferably, the inner circumferential surface of the semi-ring has snap-fit ​​holes distributed circumferentially along the semi-ring. The rubber layer has rubber clips that snap into the snap-fit ​​holes. The rubber layer is fixed to the semi-ring only by snapping into the snap-fit ​​holes using the rubber clips. In use, the rubber layer is removed for replacement. Replacing the rubber layer is convenient.

[0013] Preferably, one circumferential end of the inner circumferential surface of the semi-ring is provided with several grooves extending along the axial direction of the semi-ring. These grooves penetrate both end faces of the semi-ring and are distributed circumferentially. In use, the rubber layer is pried open by inserting a rod into the grooves, causing the end of the rubber layer to detach from the semi-ring. Then, the semi-ring and the rubber layer are grasped and torn apart, separating the rubber layer from the semi-ring. This method offers good convenience when removing the rubber layer.

[0014] Beneficial effects: The rubber tire 2 is suspended by the suspension rod of the clamp, which effectively fixes the rubber tire and forms an inner layer of protection; the outer layer of protection is made of bamboo curtain to resist the damage of flying rocks from blasting, which solves the problems that the rubber tire is not easy to be firmly fixed to the bridge pier and the outer geotextile is easily damaged. A rubber layer is installed on the inside of the clamp to protect the outer surface of the bridge pier. The combination of clamps, rubber tires, and bamboo curtains facilitates manual installation, solving the drawbacks of the original on-site process that was labor-intensive and time-consuming, and improving construction efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the clamp being fixed to the bridge pier in Example 1; Figure 2 This is a schematic diagram showing the split configuration of the clamp. Figure 3 This is a diagram showing how a rubber tire is fixed to a clamp. Figure 4 This is a schematic diagram of a bamboo curtain; Figure 5 This is a schematic diagram of the semi-ring in Embodiment 2 when viewed in section through a plane passing through the axis of the semi-ring. Figure 6 This is a schematic diagram of the semi-ring in Embodiment 2 when viewed in section through a plane perpendicular to the axis of the semi-ring.

[0016] In the diagram: 1. Bridge pier; 2. Clamp; 3. Suspension rod; 4. Rubber tire; 5. Bamboo curtain; 6. Hanging cable; 7. Hook; 8. Half ring; 9. Outer fold; 10. Screw hole; 11. Bolt; 12. Nut; 13. Anti-slip protrusion; 14. Rubber layer; 15. Rubber clip; 16. Groove. Detailed Implementation

[0017] 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.

[0018] Example 1, see Figures 1 to 4 A bridge pier protection device for near-blasting construction includes several clamps 2 fixed to the bridge pier 1 in a vertical direction; three clamps are schematically shown in this embodiment. Each clamp has a suspension rod 3 distributed along its extension direction, extending radially along a semi-circle. A rubber tire 4 is suspended from the suspension rod, and a bamboo curtain 5 covering the rubber tire is wrapped around the bridge pier. The bamboo curtain has hanging cables 6, which are fixed to the suspension rods to secure the bamboo curtain. The ends of the hanging cables have hooks 7 for hanging on the suspension rods. In use, the hanging cables are wound around one suspension rod, and the hook grooves on the hanging cables are on another suspension rod of the same clamp. At each end of the bamboo curtain along the circumference of the bridge pier, there are hanging cables distributed vertically in the same number as the number of clamps; the hanging cables on the same side of the bamboo curtain are fixed to the clamps one-to-one. The clamp consists of two semi-rings 8, with outer flanges 9 at both ends of the semi-rings and screw holes 10 on the outer flanges. The two semi-rings surround the bridge pier, and two bolts 11 pass through the screw holes on the outer flanges at both ends of the two semi-rings and are connected to two nuts 12 to fix the clamp to the bridge pier.

[0019] Example 2 differs from Example 1 in that: See Figure 5 and Figure 6The inner circumferential surface of the semi-ring has several anti-slip protrusions 13. The semi-ring has a spring-loaded structure, and a rubber layer 14 is provided on the inner circumferential surface of the semi-ring, with the anti-slip protrusions set on the rubber layer. The anti-slip protrusions and the rubber layer are integrally formed together. The inner circumferential surface of the semi-ring has snap-fit ​​holes distributed along the circumference of the semi-ring, and the rubber layer has rubber clips 15 that snap into the snap-fit ​​holes. The rubber layer is fixed to the semi-ring only by snapping into the snap-fit ​​holes with the rubber clips. One circumferential end of the inner circumferential surface of the semi-ring has several grooves 16 extending along the axial direction of the semi-ring. The grooves penetrate the two end faces of the semi-ring and are distributed along the circumference of the semi-ring.

[0020] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0021] 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 bridge pier protection device for near-blasting construction, characterized in that, The device includes a clamp fixed to the bridge pier in the vertical direction, a suspension rod distributed along the extension direction of the clamp, a rubber tire suspended on the suspension rod, a bamboo curtain covering the rubber tire wrapped around the bridge pier, a hanging cable on the bamboo curtain, and the hanging cable fixed to the suspension rod to fix the bamboo curtain in place.

2. The bridge pier protection device for near-blasting construction according to claim 1, characterized in that, The end of the lanyard is provided with a hook for hanging on the suspension rod.

3. A bridge pier protection device for near-blasting construction according to claim 2, characterized in that, The lanyard is wound around one of the suspension rods, and the hook groove on the lanyard is on another suspension rod with the same clamp.

4. A bridge pier protection device for near-blasting construction according to claim 1, 2, or 3, characterized in that, The bamboo curtain is provided with hanging cables at both ends of the bridge pier along the circumference, with the same number of cables distributed in the vertical direction as the number of clamps. The hanging cables on the same side of the bamboo curtain are fixed to the clamps one by one.

5. A bridge pier protection device for near-blasting construction according to claim 1, 2, or 3, characterized in that, The clamp includes two semi-rings, each with an outer flange at both ends and a screw hole on the outer flange. The two semi-rings surround the bridge pier, and two bolts pass through the screw holes on the outer flanges at both ends of the two semi-rings and are connected to two nuts to fix the clamp to the bridge pier.

6. A bridge pier protection device for near-blasting construction according to claim 5, characterized in that, The inner circumferential surface of the semi-ring is provided with several anti-slip protrusions.

7. A bridge pier protection device for near-blasting construction according to claim 6, characterized in that, The semi-ring has a spring sheet structure, and a rubber layer is provided on the inner circumferential surface of the semi-ring. The anti-slip protrusion is provided on the rubber layer.

8. A bridge pier protection device for near-blasting construction according to claim 7, characterized in that, The anti-slip protrusions are integrally formed with the rubber layer.

9. A bridge pier protection device for near-blasting construction according to claim 7, characterized in that, The inner circumferential surface of the semi-ring is provided with snap-fit ​​holes distributed along the circumference of the semi-ring. The rubber layer is provided with rubber clips that snap into the snap-fit ​​holes. The rubber layer is fixed together with the semi-ring only by snapping into the snap-fit ​​holes with the rubber clips.

10. A bridge pier protection device for near-blasting construction according to claim 9, characterized in that, The inner circumferential surface of the semi-ring has a plurality of grooves extending along the axial direction of the semi-ring at one end. The grooves penetrate the two end faces of the semi-ring and are distributed along the circumferential direction of the semi-ring.

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