Anti-falling protective net mounting structure for bridge construction

Abstract

The utility model discloses an anti-falling protective net installation structure for bridge construction. The anti-falling protective net installation structure comprises a hollow supporting column and a limiting mechanism. A bottom plate is arranged on the lower surface of the hollow supporting column, fixing holes are formed in the four corners of the upper surface of the bottom plate, expansion bolts are inserted into the fixing holes, U-shaped connecting plates are arranged at the lower ends of the outer cambered surfaces of the hollow supporting column, connecting plates are arranged at the upper ends of the outer cambered surfaces of the hollow supporting column, and connecting inserting holes are formed in the surfaces of the connecting plates and the surfaces of the U-shaped connecting plates; the limiting mechanism is arranged at the upper end of the hollow supporting column, the limiting mechanism and the connecting plate are installed in a matched mode, the limiting mechanism comprises a sliding groove, an L-shaped plate and a sliding block, and the sliding groove is formed in the upper end of the outer arc face of the hollow supporting column. The probability that the anti-falling protective net is separated from the mounting structure is reduced, so that the anti-falling protective net is mounted more firmly, and the safety of bridge construction is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction protection, in particular to an anti-falling guard net installation structure for bridge construction. Background Art

[0002] Bridge engineering construction refers to the process of transforming bridge design into a physical object through certain technical means and construction methods to realize the spanning function of the bridge. Bridge engineering construction has the characteristics of large engineering volume, high technical difficulty, and complex construction environment. It is necessary to comprehensively consider various factors such as geology, hydrology, and meteorology. In the process of bridge construction, in order to ensure the safety of bridge construction, it is necessary to do a good job in bridge construction protection, among which the installation of anti-fall guardrail is the main way of bridge construction protection; in the prior art, the anti-fall guardrail is mostly installed on the top of the bridge concrete guardrail. The anti-fall guardrail is installed by opening holes in the top of the concrete guardrail, inserting expansion bolts and fixing them with column flanges. The connection between the anti-fall guardrail and the supporting column is mostly bolted. The position restriction of the anti-fall guardrail is relatively simple. As the use time increases, the bolts are prone to loosening, causing the anti-fall guardrail to detach. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a kind of anti-fall guard net installation structure for bridge construction, which comprehensively restricts the position of the anti-fall guard net, makes the limiting process simple and quick, reduces the probability of the anti-fall guard net detaching from the installation structure, makes the installation of the anti-fall guard net more firm, improves the safety of bridge construction, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-falling guard net installation structure for bridge construction, comprising a hollow support and a limiting mechanism;

[0005] Hollow pillar: The lower surface is provided with a bottom plate, and the four corners of the upper surface of the bottom plate are provided with fixing holes, and the inside of the fixing holes are plugged with expansion bolts. The lower end of the outer arc surface of the hollow pillar is provided with a U-shaped connecting plate, and the upper end of the outer arc surface of the hollow pillar is provided with a connecting plate, and the surfaces of the connecting plate and the U-shaped connecting plate are provided with connecting holes;

[0006] Limiting mechanism: It is set at the upper end of the hollow pillar. The limiting mechanism is installed in conjunction with the connecting plate to comprehensively limit the position of the anti-fall guardrail. The limiting process is simple and quick, which reduces the probability of the anti-fall guardrail detaching from the installation structure, makes the installation of the anti-fall guardrail more secure, and improves the safety of bridge construction.

[0007] Furthermore, the limiting mechanism includes a slide groove, an L-shaped plate and a slider. The slide groove is arranged at the upper end of the outer arc surface of the hollow pillar. The inside of the slide groove is vertically slidably connected with the slider. L-shaped plates are provided on both ends of the slider. The L-shaped plate is installed in cooperation with the connecting plate to limit the anti-fall guardrail.

[0008] Furthermore, the limiting mechanism also includes an adjusting screw and a knob. The adjusting screw is threadedly connected to the middle of the slider. The upper end of the adjusting screw passes through the interior of the hollow pillar and is provided with a knob to adjust the position of the L-shaped plate.

[0009] Furthermore, a baffle is provided on the upper surface of the transverse plate of the L-shaped plate, and the baffle is installed in cooperation with the slide groove to hide the slide groove.

[0010] Furthermore, reflective panels are provided in the middle of the outer arc surfaces of the hollow pillars, making the entire device more conspicuous at night.

[0011] Furthermore, the surface of the connecting plate and the surface of the vertical plate of the U-shaped connecting plate are both provided with buffer rubber pads to reduce the transmission of vibration of the anti-fall guard net to the installation structure.

[0012] Furthermore, the upper surface of the bottom plate is provided with diagonal support plates, and the diagonal support plates are fixedly connected to the outer arc surface of the hollow pillar to improve the strength of the overall device.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the anti-fall guard net installation structure for bridge construction has the following advantages:

[0014] The U-shaped connecting plate is used to fix the bottom plate on the upper end of the bridge concrete guardrail, the anti-falling guardrail is placed inside the U-shaped connecting plate, the horizontal plate of the U-shaped connecting plate is used to provide support for the lower end of the anti-falling guardrail, the two vertical plates of the U-shaped connecting plate are used to limit the front and rear positions of the anti-falling guardrail, the adjusting screw is turned by the knob to drive the L-shaped plate to move downward, the vertical plate of the L-shaped plate cooperates with the connecting plate to limit the front and rear positions of the anti-falling guardrail, the horizontal plate of the L-shaped plate is used to block the upward movement of the anti-falling guardrail, and then the anti-falling guardrail, the connecting plate, the U-shaped connecting plate and the L-shaped plate are fixed with external bolts to limit the left and right movement of the anti-falling guardrail, complete the installation of the anti-falling guardrail, and comprehensively limit the position of the anti-falling guardrail. The limiting process is simple and quick, which reduces the probability of the anti-falling guardrail detaching from the installation structure, makes the installation of the anti-falling guardrail more firm, and improves the safety of bridge construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the explosion of the overall device of the utility model.

[0017] In the figure: 1 hollow pillar, 2 bottom plate, 3 fixing hole, 4 expansion bolt, 5 U-type connecting plate, 6 connecting plate, 7 connecting socket, 8 limiting mechanism, 81 slide groove, 82 L-type plate, 83 slider, 84 adjusting screw, 85 knob, 9 baffle, 10 reflector, 11 buffer rubber pad, 12 diagonal support plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2 , This embodiment provides a technical solution: an anti-fall guard net installation structure for bridge construction, including a hollow pillar 1 and a limiting mechanism 8;

[0020] Hollow pillar 1: a bottom plate 2 is provided on its lower surface, fixing holes 3 are provided at the four corners of the upper surface of the bottom plate 2, expansion bolts 4 are inserted into the fixing holes 3, and the bottom plate 2 is fixed to the upper end of the bridge concrete guardrail by the expansion bolts 4. The lower end of the outer arc surface of the hollow pillar 1 is provided with a U-shaped connecting plate 5, and the upper end of the outer arc surface of the hollow pillar 1 is provided with a connecting plate 6. The surfaces of the connecting plate 6 and the U-shaped connecting plate 5 are provided with connecting sockets 7. The anti-falling guard net is placed in the U-shaped connecting plate 5, and the horizontal plate of the U-shaped connecting plate 5 is used to provide support for the lower end of the anti-falling guard net, and the two vertical plates of the U-shaped connecting plate 5 are used to support the front and rear of the anti-falling guard net. The position is limited, and the external bolts are passed through the connecting socket 7 and the connecting hole of the anti-falling protective net and threadedly connected with the nut, so that the positions of the anti-falling protective net, the connecting plate 6 and the U-shaped connecting plate 5 are fixed. A reflective plate 10 is respectively provided in the middle of the outer arc surface of the hollow pillar 1, so that the anti-falling protective net installation structure is more conspicuous at night. The surface of the connecting plate 6 and the surface of the vertical plate of the U-shaped connecting plate 5 are both provided with a buffer rubber pad 11 to slow down the transmission of the vibration of the anti-falling protective net to the installation structure. The upper surface of the bottom plate 2 is respectively provided with a diagonal support plate 12, and the diagonal support plate 12 is fixedly connected to the outer arc surface of the hollow pillar 1, so that the strength of the hollow pillar 1 and the bottom plate 2 as a whole is higher;

[0021] Limiting mechanism 8: arranged at the upper end of the hollow pillar 1, the limiting mechanism 8 is installed in cooperation with the connecting plate 6, the limiting mechanism 8 includes a slide 81, an L-shaped plate 82 and a slider 83, the slide 81 is arranged at the upper end of the outer arc surface of the hollow pillar 1, the inside of the slide 81 is vertically slidably connected with the slider 83, the left and right ends of the slider 83 are provided with L-shaped plates 82, the L-shaped plate 82 is installed in cooperation with the connecting plate 6, the limiting mechanism 8 also includes an adjusting screw 84 and a knob 85, the adjusting screw 84 is threadedly connected to the middle part of the slider 83, the upper end of the rod body of the adjusting screw 84 passes through the interior of the hollow pillar 1 and is provided with a knob 85. The adjusting screw 84 is turned by the knob 85. Since the slider 83 is vertically slidably connected to the slide groove 81, the rotation of the slider 83 is limited. The threaded connection between the slider 83 and the adjusting screw 84 drives the L-shaped plate 82 to move downward. The vertical plate of the L-shaped plate 82 cooperates with the connecting plate 6 to limit the front and rear positions of the anti-falling protective net. The horizontal plate of the L-shaped plate 82 is used to block the upward movement of the anti-falling protective net. The upper surface of the horizontal plate of the L-shaped plate 82 is provided with a baffle 9. The baffle 9 is installed in cooperation with the slide groove 81 to hide the slide groove 81 and reduce external dust from entering the hollow pillar 1 from the slide groove 81.

[0022] The working principle of the anti-fall guard net installation structure for bridge construction provided by the utility model is as follows: during the bridge construction process, the bottom plate 2 is fixed to the upper end of the bridge concrete guardrail by the expansion bolt 4, the anti-fall guard net is placed in the U-shaped connecting plate 5, the horizontal plate of the U-shaped connecting plate 5 is used to provide support for the lower end of the anti-fall guard net, the two vertical plates of the U-shaped connecting plate 5 are used to limit the front and rear positions of the anti-fall guard net, and then the adjusting screw 84 is turned by the knob 85, because the slider 83 is vertically slidably connected with the slide groove 81, the sliding is restricted. The rotation of block 83 drives the L-shaped plate 82 to move downward through the threaded connection between the slider 83 and the adjusting screw 84, and the vertical plate of the L-shaped plate 82 cooperates with the connecting plate 6 to limit the front and rear position of the anti-fall protective net. The horizontal plate of the L-shaped plate 82 is used to block the upward movement of the anti-fall protective net, and then the external bolt is passed through the connecting jack 7 and the connecting hole of the anti-fall protective net and threadedly connected with the nut to fix the position between the anti-fall protective net, the connecting plate 6, the U-shaped connecting plate 5 and the L-shaped plate 82, limit the left and right movement of the anti-fall protective net, and complete the installation of the anti-fall protective net.

[0023] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fall prevention net installation structure for bridge construction, characterized in that: It comprises a hollow pillar (1) and a limiting mechanism (8); The hollow pillar (1) has a bottom plate (2) on its lower surface, fixing holes (3) are provided at four corners of the upper surface of the bottom plate (2), expansion bolts (4) are inserted into the fixing holes (3), U-shaped connecting plates (5) are provided at the lower ends of the outer arc surfaces of the hollow pillar (1), connecting plates (6) are provided at the upper ends of the outer arc surfaces of the hollow pillar (1), and connecting holes (7) are provided on the surfaces of the connecting plates (6) and the U-shaped connecting plates (5); The limiting mechanism (8) is arranged at the upper end of the hollow pillar (1), and the limiting mechanism (8) is installed in coordination with the connecting plate (6).

2. The anti-falling protective net installation structure for bridge construction according to claim 1 is characterized in that: The limiting mechanism (8) comprises a slide groove (81), an L-shaped plate (82) and a slider (83); the slide groove (81) is arranged at the upper end of the outer arc surface of the hollow pillar (1); the slide groove (81) is vertically slidably connected to the slider (83); the left and right ends of the slider (83) are both provided with L-shaped plates (82); the L-shaped plates (82) are installed in cooperation with the connecting plate (6).

3. The anti-falling protective net installation structure for bridge construction according to claim 2 is characterized in that: The limiting mechanism (8) further comprises an adjusting screw (84) and a knob (85); the adjusting screw (84) is threadedly connected to the middle portion of the slider (83); the upper end of the adjusting screw (84) passes through the interior of the hollow pillar (1) and is provided with a knob (85).

4. The anti-falling protection net installation structure for bridge construction according to claim 2 is characterized in that: The upper surface of the transverse plate of the L-shaped plate (82) is provided with a baffle (9), and the baffle (9) is installed in coordination with the slide groove (81).

5. The anti-falling protective net installation structure for bridge construction according to claim 1 is characterized in that: A reflective plate (10) is provided in the middle of the outer arc surface of the hollow pillar (1).

6. The anti-falling protective net installation structure for bridge construction according to claim 1 is characterized by: The surface of the connecting plate (6) and the surface of the vertical plate of the U-shaped connecting plate (5) are both provided with a buffer rubber pad (11).

7. The anti-fall protection net installation structure for bridge construction according to claim 1 is characterized by: The upper surface of the bottom plate (2) is respectively provided with an inclined support plate (12), and the inclined support plates (12) are fixedly connected to the outer arc surface of the hollow pillar (1).

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