CN218756985U - Flange plate, guardrail stand and bridge protective fence - Google Patents

Abstract

The application discloses a flange plate, guardrail stand and bridge rail guard. The flange plate is used for connecting the upright post of the protective guard and the bridge body, and stirrups are laid inside the bridge body. The flange plate comprises a body, a mounting hole penetrating through the body is formed in the thickness direction of the body, the mounting hole comprises a first mounting hole and a second mounting hole, a connecting line between the center of the first mounting hole and the center of the second mounting hole and a first axis of the body form an acute included angle, the thickness direction of the first axis perpendicular to the body is consistent with the extending direction of the stirrups, and the thickness direction of the body is consistent with the extending direction of the stand column. A connecting line between the center of the first mounting hole and the center of the second mounting hole forms an acute included angle with the first axis. When making the bar planting bolt pass the mounting hole and squeeze into the pontic, do not have bar planting bolt and stirrup contact, or only one bar planting bolt and the contact of a stirrup, it is less to the destructiveness of stirrup.

Description

Flange plate, guardrail stand and bridge protective fence

Technical Field

The application relates to the technical field of highway facilities, in particular to a flange plate, a guardrail upright post and a bridge guardrail.

Background

The upright post of the bridge guardrail is fixed on the bridge floor through the flange plate. The flange plate is fixed in the concrete of the bridge body through foundation bolts. When the guardrail upright post is installed, the flange plate is anchored to the bridge body through the foundation bolt. The mode that traditional flange plate adopted the symmetry trompil, the equal symmetry setting about the hole site about from top to bottom. The mode makes the appearance of the flange plate more beautiful and tidy. However, when the steel bar is embedded into the steel bar, the steel bar structure inside the bridge body is easily damaged.

SUMMERY OF THE UTILITY MODEL

The application provides a pair of flange plate, guardrail stand and bridge rail guard for reduce the problem that current guardrail stand flange causes serious destruction to the steel bar structure of bridge when the installation.

The embodiment of the application provides a flange plate for connect the stand and the pontic of rail guard, the inside stirrup that has laid of pontic. The flange plate comprises a body, wherein a mounting hole penetrating through the body is formed in the thickness direction of the body, the mounting hole comprises a first mounting hole and a second mounting hole, the connecting line of the center of the first mounting hole and the center of the second mounting hole and the first axis of the body form an acute angle, the thickness direction of the first axis perpendicular to the body is consistent with the extending direction of the stirrups, and the thickness direction of the body is consistent with the extending direction of the stand column.

In the above embodiment, the body of the flange plate may be substantially axisymmetric, and the first axis is a symmetry axis of the body. A connecting line between the center of the first mounting hole and the center of the second mounting hole forms an acute included angle with the first axis. When making the bar planting bolt pass the mounting hole and squeeze into the pontic, do not have bar planting bolt and stirrup contact, or only one bar planting bolt and the contact of a stirrup, it is less to the destructiveness of stirrup.

In an optional technical scheme, the body is square, the extending direction of a second axis of the body is consistent with the extending direction of the bridge body, and the first mounting hole and the second mounting hole are respectively arranged on two sides of the second axis.

In an optional technical scheme, a distance a between the first mounting hole and the second mounting hole in the extending direction of the second axis and a diameter b of the stirrup satisfy a > b.

In an optional technical scheme, the number of the first mounting holes is two, and the two first mounting holes are symmetrically arranged on two sides of the first axis; the second mounting holes are two and are symmetrically arranged on two sides of the first axis.

In an alternative embodiment, the body may be a trapezoid.

Based on same design, the embodiment of this application still provides a guardrail stand, and this guardrail stand includes stand body and above-mentioned flange plate, the flange plate and the one end fixed connection of stand body, the thickness direction of body is unanimous with the extending direction of stand body.

In an optional technical scheme, a stiffening rib is arranged between the flange plate and the upright post body.

In an alternative embodiment, the number of the stiffeners is four.

In an optional technical scheme, the guardrail upright post can further comprise a post cap, and the post cap is installed at one end, far away from the flange plate, of the upright post body.

Based on the same conception, the embodiment of the application also provides a bridge guard rail, which comprises a blocking prevention block, a cross beam and the guardrail upright post, wherein the guardrail upright post is arranged on the bridge body, the cross beam is arranged on one side of the guardrail upright post, and the blocking prevention block is arranged between the guardrail upright post and the cross beam.

Drawings

FIG. 1 is a schematic diagram of a prior art flange plate assembled to a bridge body;

FIG. 2 is a top view of a flange plate mounted to a bridge according to an embodiment of the present application;

FIG. 3 is a schematic view of a flange plate according to an embodiment of the application;

FIG. 4 is a schematic view of the construction of a guardrail post according to one embodiment of the present application;

fig. 5 is a schematic structural diagram of a bridge guard rail in an embodiment of the present application.

Reference numerals:

100-a bridge; 200-stirrup; 300-longitudinal ribs; m-the direction of extension of the bridge; 400-existing flange plate; 401-opening a hole; 1-a body; 11-a first mounting hole; 12-a second mounting hole; a-a connecting line between the center of the first mounting hole and the center of the second mounting hole; 10-second axis; 20-a first axis; 2-a column body; 500-flange plate; 3-a stiffening rib; 4-planting a rib bolt; 600-guardrail posts; 5-a cross beam.

Detailed Description

In order to reduce the damage of the upright post of the bridge guardrail to the reinforcing steel bars inside the bridge body during installation. The embodiment of the application provides a flange plate, a guardrail upright post and a bridge guardrail. To make the objects, technical solutions and advantages of the present application more clear, the present application is further described in detail below by referring to the embodiments in the accompanying drawings.

Fig. 1 is a schematic structural diagram of a flange assembled to a bridge body in the prior art. As shown in fig. 1, the bridge body 100 is made by casting concrete in a steel bar structure. The reinforcing structure includes a plurality of longitudinal bars 300 and stirrups 200, and the extending direction of the longitudinal bars 300 is the same as the extending direction M of the bridge body 100. The stirrups 200 are arranged perpendicular to the longitudinal bars 300 and arranged along the extending direction of the longitudinal bars 300. The rebar structure cannot be seen because it is inside the bridge. When the bar-planting bolt is driven into the bridge body through the opening 401 of the existing flange plate 400, the bar-planting bolt is inevitably driven to the stirrup. The existing flange plate for connecting the upright post and the bridge body is rectangular, the number of the openings 401 is generally four, and the openings 401 are respectively and symmetrically arranged along two symmetrical axes of the flange plate. The conventional flange plate 400 is mounted to the bridge body such that the two long sides are aligned with the extending direction of the bridge body 100. Use the direction that figure 1 shows as the reference, be located two trompils 401 of vertical direction's connecting wire and stirrup 200 parallel, when beating into the bar planting bolt, if there is a bar planting bolt to beat the stirrup, then also can contact with the stirrup with another bar planting bolt of its homonymy. The two injuries have strong destructiveness to the stirrup.

Fig. 2 is a schematic structural view of a flange plate in an embodiment of the present application. As shown in fig. 2, an embodiment of the present application provides a flange plate, which is mounted on an upper surface of a bridge 100 and is used for connecting a column of a guard rail to the bridge 100, wherein a plurality of stirrups 200 are laid inside the bridge, and the stirrups 200 are arranged along an extending direction M of the bridge. The flange plate comprises a body 1, wherein a mounting hole penetrating through the body is formed in the thickness direction of the body 1, and the thickness direction of the body is consistent with the extending direction of the stand column. The mounting holes comprise a first mounting hole 11 and a second mounting hole 12, and a connecting line A between the center of the first mounting hole 11 and the center of the second mounting hole 12 forms an acute included angle with the first axis 20 of the body 1. The extending direction of the first axis 20 is perpendicular to the thickness direction of the body 1 and coincides with the extending direction of the stirrup 200.

In the above embodiment, the body of the flange plate may be substantially axisymmetric, and the first axis is a symmetry axis of the body. A connecting line between the center of the first mounting hole 11 and the center of the second mounting hole 12 has an acute angle with the first axis 20. When the steel bar planting bolt penetrates through the mounting hole and is driven into the bridge body 100, the steel bar planting bolt is not in contact with the stirrup 200, or only one steel bar planting bolt is in contact with one stirrup, and the destructiveness of the stirrup is small.

In a specific embodiment, the body may be square, and the second axis 10 of the body extends in the same direction as the bridge 100, and the second axis 10 is perpendicular to the stirrup 200. The first mounting hole 11 and the second mounting hole 12 are respectively disposed at both sides of the second axis 10. So that the flange plate is stressed more evenly in the longitudinal direction.

In an alternative embodiment, the distance a between the first mounting hole 11 and the second mounting hole 12 along the extending direction of the second axis 10 and the diameter b of the stirrup satisfy a > b. When driving the bar-planting bolt, there are the following three cases. First, when the stirrup 200 is positioned between the first and second mounting holes 11 and 12, neither side of the stirrup 200 overlaps the first and second mounting holes 11 and 12. Second, only the first mounting hole 11 overlaps with one stirrup 200 position. Third, only the second mounting hole overlaps with one stirrup position (the third positional relationship is not shown). The damage to the stirrup is reduced.

In an alternative embodiment, the first mounting holes 11 may be two and symmetrically disposed on two sides of the first axis 20. Similarly, two second mounting holes 12 may be provided, and are symmetrically disposed on both sides of the first axis 20. So that the flange plate is stressed more evenly.

FIG. 3 is a schematic view of a flange plate according to an embodiment of the present application. In an alternative embodiment, the body 1 may also be trapezoidal. Specifically, the waist of the trapezoid may be parallel to a connecting line between the center of the first mounting hole 11 and the center of the second mounting hole 12.

Figure 4 is a schematic view of the structure of a guardrail post according to one embodiment of the present application. As shown in fig. 4, based on the same concept, an embodiment of the present application further provides a guardrail column, which includes a column body 2 and the above flange plate 500, the flange plate 500 is fixedly connected to one end of the column body 2, and the thickness direction of the body 1 is consistent with the extending direction of the column body 2. The guardrail upright post can be arranged on the bridge body through the bar planting bolt 4. When the flange plate is installed, the extending direction of the first axis of the flange plate body is consistent with the extending direction of the stirrup. The bar planting bolt 4 passes through the mounting hole perpendicularly to the bridge floor and is driven into the bridge body. Because the connecting line between the center of the first mounting hole and the center of the second mounting hole and the stirrup form an acute included angle. When the bar planting bolt penetrates through the mounting hole and is driven into the bridge body, the bar planting bolt is not in contact with the stirrups; or only one bar planting bolt is contacted with one stirrup, so that the damage to the stirrup is small.

With continued reference to fig. 4, in an alternative embodiment, a stiffening rib 3 may be disposed between the flange plate 500 and the pillar body 2. Specifically, the stiffening rib 3 is plate-shaped and can be arranged around the column body 2 to make the column body 2 bear more evenly.

In alternative embodiments, the number of the stiffening ribs 3 may be four, five or six, and the number of the stiffening ribs 3 may be selected according to needs, and the application is not limited in particular.

In an alternative embodiment, the guardrail post may further comprise a cap (not shown) mounted to the end of the post body 2 remote from the flange plate 500.

Fig. 5 is a schematic structural diagram of a bridge guard rail in an embodiment of the present application. As shown in fig. 5, based on the same concept, the present application also provides a bridge guard rail, which may include a block (not shown), a cross beam 5 and the above guard rail 600. The guardrail posts 600 are installed on the upper surface of the bridge body 100, and particularly, when installed, the extending direction of the first axis of the flange plate body is consistent with the extending direction of the stirrups. A connecting line between the center of the first mounting hole and the center of the second mounting hole and the stirrup form an acute included angle. The guardrail upright post 600 is anchored to the bridge body 100 by adopting the bar planting bolt 4 to penetrate through the mounting hole. The cross beam 5 is installed on one side of the guardrail upright 600, which may be a side close to a running vehicle. The anti-blocking block is arranged between the guardrail upright 600 and the cross beam 5. The above-mentioned cross beam 5 can be mounted parallel to the upper surface of the bridge.

In an alternative embodiment, the number of the beams 5 may be two or three, and the number of the beams may be selected according to needs, and the application is not limited specifically herein.

The bridge protection fence can be applied to bridge roads and can also be applied to urban roads. When a vehicle collides with the guard rail, the anti-blocking block can absorb energy generated when the vehicle collides with the guard rail, so that the reliability of the guard rail is improved. Meanwhile, the connecting line between the center of the first mounting hole of the flange plate and the center of the second mounting hole has an acute included angle with the stirrup, so that the bar-planting bolt can better avoid or reduce the contact with the bridge stirrup, and the destructiveness to the stirrup is smaller.

In the description of the present application, it is to be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. The utility model provides a flange board for connect the stand and the pontic of rail guard, the stirrup has been laid to the pontic inside, a serial communication port, the flange board includes the body, follows the thickness direction of body seted up run through in the mounting hole of body, the mounting hole includes first mounting hole and second mounting hole, the center of first mounting hole with the connecting wire at the center of second mounting hole with the first axis of body has the acute angle contained angle, first axis perpendicular to the thickness direction of body with the extending direction of stirrup is unanimous, the thickness direction of body with the extending direction of stand is unanimous.

2. The flange plate according to claim 1, wherein the body has a square shape, the second axis of the body extends in the same direction as the bridge, and the first mounting hole and the second mounting hole are respectively disposed on both sides of the second axis.

3. The flange plate according to claim 2, wherein a distance a between the first mounting hole and the second mounting hole along the extending direction of the second axis and a diameter b of the stirrup satisfy a > b.

4. The flange plate according to claim 2, wherein the first mounting holes are two and symmetrically arranged on two sides of the first axis; the number of the second mounting holes is two, and the two second mounting holes are symmetrically arranged on two sides of the first axis.

5. The flange plate of claim 1, wherein the body is trapezoidal.

6. A guardrail post comprising a post body and a flange plate as claimed in any one of claims 1 to 5, wherein the flange plate is fixedly connected with one end of the post body, and the thickness direction of the body is consistent with the extending direction of the post body.

7. The guardrail post of claim 6 wherein a stiffening rib is disposed between the flange plate and the post body.

8. The guardrail post of claim 7 wherein the number of stiffeners is four.

9. The guardrail post of claim 6 further comprising a cap mounted to an end of the post body distal from the flange plate.

10. A bridge protection fence, characterized in that, includes the guardrail stand of any one of claims 6-9, prevents blockking up, crossbeam and, the guardrail stand is installed in the pontic, the crossbeam is installed in one side of guardrail stand, prevent blockking up install in between guardrail stand and the crossbeam.

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