CN215052084U - Connecting device between concrete anti-collision guardrail and accessory facilities - Google Patents
Connecting device between concrete anti-collision guardrail and accessory facilities Download PDFInfo
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- CN215052084U CN215052084U CN202120598292.9U CN202120598292U CN215052084U CN 215052084 U CN215052084 U CN 215052084U CN 202120598292 U CN202120598292 U CN 202120598292U CN 215052084 U CN215052084 U CN 215052084U
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Abstract
The utility model discloses a connecting device between concrete crash barrier and affiliated facilities, include: the first connecting plate is connected with the embedded bolts in the concrete anti-collision guardrail; the second connecting plate is connected with a bottom flange of the accessory facility, and the size of the second connecting plate is matched with that of the bottom flange and is larger than that of the first connecting plate; and one end of the middle stiffening structure is connected with the first connecting plate, the other end of the middle stiffening structure is connected with the second connecting plate, and a stiffening rib plate is arranged on the middle stiffening structure. The connecting device can facilitate the all-line standardized design construction of the concrete guardrail, is convenient to add auxiliary facilities on the built bridge concrete guardrail, is convenient to construct, low in implementation cost, does not influence the overall landscape of the bridge, and is high in structural strength.
Description
Technical Field
The utility model relates to a traffic safety facility and bridge subsidiary engineering design technical field particularly, relates to a connecting device between concrete crash barrier and subsidiary facility.
Background
The signpost, the height limiting portal frame, the sound barrier, the street lamp and the like are necessary traffic safety and electromechanical facilities in road engineering, and in a bridge section, the facilities are often arranged on a bridge anti-collision guardrail and belong to auxiliary facilities of the anti-collision guardrail.
Conventional concrete crash barrier structure size is unified, but at the highway section that is provided with accessory facilities such as denoter, limit for height portal, totally closed sound barrier, street lamp, because the base size of accessory facility is greater than concrete barrier top width, often increases concrete crash barrier back part, sets up to the crash barrier structure of taking "knapsack" section. Above design has not only influenced anticollision barrier efficiency of construction, has increased the template and has dropped into, has also influenced the whole view of bridge.
The size of the concrete crash barrier is controlled by the vehicle crash class and the increased size of the "backpack" section crash barrier is only a consideration of the connection to the upper attachment, not the increased load of the attachment. The simplest example is a common upright sound barrier. The load of the vertical sound barrier road section is mainly transverse wind, and the wind shielding area of the sound barrier is large, so that the load of the vertical sound barrier road section is larger than that of other accessory facilities, but the size of a base of the vertical sound barrier road section does not exceed the width of the top of a conventional concrete guardrail, and the vertical sound barrier road section is basically designed into a standard size without a backpack.
The whole-line standardized design and construction of the concrete guardrail are facilitated. Meanwhile, when additional facilities such as street lamps, signboards and the like are added on the built bridge concrete guardrail, the original guardrail is not transformed on a large scale; there is a need for a connection device that accommodates the connection of concrete crash barriers to upper attachments of different sizes.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a connecting device between concrete crash barrier and affiliated facilities, this connecting device can make things convenient for the full-line standardized design construction of concrete guardrail, conveniently add affiliated facilities on the bridge concrete guardrail that has built, construction convenience, implementation cost are low, do not influence the whole view of bridge.
In order to achieve the above object, the utility model provides a connecting device between concrete crash barrier and affiliated facilities, include:
the first connecting plate is connected with the embedded bolts in the concrete anti-collision guardrail;
the second connecting plate is connected with a bottom flange of the accessory facility, and the size of the second connecting plate is matched with that of the bottom flange and is larger than that of the first connecting plate;
and one end of the middle stiffening structure is connected with the first connecting plate, the other end of the middle stiffening structure is connected with the second connecting plate, and a stiffening rib plate is arranged on the middle stiffening structure.
Furthermore, a first bolt hole corresponding to the position of the embedded bolt is formed in the first connecting plate, and the embedded bolt penetrates into the first bolt hole and is fixedly connected with the first connecting plate through a first nut.
Furthermore, a second bolt hole corresponding to the position of the bolt hole in the bottom flange is formed in the second connecting plate, and the second connecting plate and the bottom flange are connected in a fastening mode through a fastening bolt and a second nut.
Furthermore, the stiffening rib plate is perpendicular to the first connecting plate and the second connecting plate, the lower edge of the stiffening rib plate is connected with the first connecting plate, and the upper edge of the stiffening rib plate is connected with the second connecting plate.
Furthermore, the upper edge of the stiffening rib plate extends to the edge of the second connecting plate, the lower edge of the stiffening rib plate extends to the edge of the first connecting plate, and the width of the stiffening rib plate is gradually reduced from one end close to the second connecting plate to one end close to the first connecting plate.
Furthermore, the middle stiffening structure is provided with a plurality of stiffening rib plates which are circumferentially arranged along the centers of the first connecting plate and the second connecting plate at intervals.
Furthermore, a first threading hole is formed in the first connecting plate, a second threading hole is formed in the second connecting plate, and the first threading hole is communicated with the second threading hole.
Further, the top of concrete crash barrier is provided with pre-buried steel sheet, and the upper surface of pre-buried steel sheet exposes from concrete crash barrier's top surface, and pre-buried bolt passes first connecting plate and pre-buried steel sheet and installs first connecting plate on pre-buried steel sheet.
By applying the technical scheme of the utility model, the first connecting plate is connected with the pre-buried bolt in the concrete crash barrier by arranging the first connecting plate, the second connecting plate and the middle stiffening structure, the second connecting plate is connected with the bottom flange of the accessory facility, the size of the second connecting plate is matched with the bottom flange and is larger than that of the first connecting plate, the middle stiffening structure is arranged between the first connecting plate and the second connecting plate, and the strength of the connecting device is improved by the stiffening rib plate; when the bottom flange size of affiliated facility is greater than concrete crash barrier top width, adopt this connecting device installation affiliated facility need not to set up "knapsack" at concrete crash barrier's back, need not to carry out extensive transformation to original guardrail, construction convenience, implementation cost are low, can not influence the whole view of bridge, and structural strength is big moreover.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a connection device according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a connecting device according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of the connection device according to the embodiment of the present invention after being connected to the embedded bolt and the accessory (the embedded bolt is a U-shaped bolt).
Fig. 4 is a schematic front view of the connection device according to the embodiment of the present invention after being connected to the embedded bolt and the accessory (the embedded bolt is a U-shaped bolt).
Fig. 5 is a schematic front view of the connection device of the embodiment of the present invention after being connected to the concrete crash barrier and the auxiliary facilities.
Fig. 6 is a schematic front view of the connection device according to the embodiment of the present invention after being connected to the embedded bolt and the accessory (the embedded bolt is a straight bolt).
Wherein the figures include the following reference numerals:
1. a first connecting plate; 2. a second connecting plate; 3. an intermediate stiffening structure; 4. a first nut; 5. fastening a bolt; 6. a second nut; 11. a first bolt hole; 12. a first threading hole; 21. a second bolt hole; 22. a second threading hole; 31. a stiffening rib plate; 100. a concrete crash barrier; 110. embedding bolts in advance; 120. pre-burying a steel plate; 200. an ancillary facility; 210. a bottom flange.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather the intention is merely to facilitate a distinction between corresponding parts. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" and "coupled" and the like are not restricted to direct connections, but may be indirectly connected through other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 6, a connecting device between a concrete crash barrier and an accessory according to an embodiment of the present invention mainly includes a first connecting plate 1, a second connecting plate 2, and an intermediate stiffening structure 3. Wherein, the first connecting plate 1 is connected with an embedded bolt 110 in the concrete crash barrier 100; the second connecting plate 2 is connected with the bottom flange 210 of the accessory facility 200, and the size (i.e. area) of the second connecting plate 2 is matched with the bottom flange 210 and is larger than that of the first connecting plate 1; one end of the middle stiffening structure 3 is connected with the first connecting plate 1, the other end is connected with the second connecting plate 2, and a stiffening rib plate 31 is arranged on the middle stiffening structure 3.
The connecting device between the concrete crash barrier and the accessory facilities is characterized in that the first connecting plate 1 is connected with the embedded bolt 110 in the concrete crash barrier 100 by arranging the first connecting plate 1, the second connecting plate 2 and the middle stiffening structure 3, the second connecting plate 2 is connected with the bottom flange 210 of the accessory facilities 200, the size of the second connecting plate 2 is matched with that of the bottom flange 210 and is larger than that of the first connecting plate 1, the middle stiffening structure 3 is arranged between the first connecting plate 1 and the second connecting plate 2, and the strength of the connecting device is improved by the stiffening rib plate 31; when the bottom flange 210 of the accessory facility 200 is larger than the top width of the concrete crash barrier 100, the connecting device is adopted to install the accessory facility 200 without arranging a backpack at the back of the concrete crash barrier 100, the original barrier is not required to be transformed on a large scale, the construction is convenient, the implementation cost is low, the integral landscape of the bridge is not influenced, and the structural strength is high.
Specifically, referring to fig. 1 and 2, in this embodiment, a plurality of first bolt holes 11 corresponding to the positions of the embedded bolts 110 in the concrete crash barrier 100 are formed in the first connecting plate 1, the embedded bolts 110 penetrate into the first bolt holes 11 and are fastened and connected with the first connecting plate 1 through the first nuts 4, and the first connecting plate 1 is fixedly mounted on the top of the concrete crash barrier 100 through the embedded bolts 110 and the first nuts 4. With the arrangement, the connecting device and the concrete crash barrier 100 are firmly installed, and the assembly and disassembly are very convenient.
In the present embodiment, referring to fig. 1 and 2, a plurality of second bolt holes 21 corresponding to the positions of the bolt holes on the bottom flange 210 are opened on the second connecting plate 2, and the second connecting plate 2 and the bottom flange 210 are fastened and connected by fastening bolts 5 and second nuts 6. Thus, the attachment device is easily attached to the sub-facility 200, and the sub-facility 200 is easily detached and maintained.
Referring to fig. 1 to 6, in the present embodiment, the first connecting plate 1 and the second connecting plate 2 are arranged in parallel with each other, the stiffening rib 31 is perpendicular to the first connecting plate 1 and the second connecting plate 2, the lower edge of the stiffening rib 31 is connected to the first connecting plate 1, and the upper edge of the stiffening rib 31 is connected to the second connecting plate 2. Through set up stiffening rib plate 31 between first connecting plate 1 and second connecting plate 2 vertically relatively, can play the supporting role well to second connecting plate 2, improve connecting device's structural strength.
Further, referring to fig. 1 and 3, in the present embodiment, the upper edge of the stiffening rib 31 extends to the edge of the second connecting plate 2, and the lower edge of the stiffening rib 31 extends to the edge of the first connecting plate 1, and since the size area of the second connecting plate 2 is larger than that of the first connecting plate 1, the width of the stiffening rib 31 gradually decreases from the end near the second connecting plate 2 to the end near the first connecting plate 1. That is, the outer side edge of the stiffener 31 is inclined inward and downward from the end near the second connecting plate 2 to the end near the first connecting plate 1. So set up for stiffening rib plate 31 forms "cantilever" structure, makes polylith stiffening rib plate 31 in the middle stiffening structure 3 form "bracket" structure similar to among the ancient building of china, has further improved connecting device's structural strength. Specifically, a plurality of the above-mentioned stiffening rib plates 31 are arranged on the intermediate stiffening structure 3, and the plurality of stiffening rib plates 31 are circumferentially arranged along the centers of the first connecting plate 1 and the second connecting plate 2 at intervals, so that the connecting device is stressed in all directions in a balanced manner.
When the accessory 200 is a street lamp, in order to facilitate threading of electric wires, referring to fig. 1 and 2, in this embodiment, the first connecting plate 1 is provided with a first threading hole 12, the second connecting plate 2 is provided with a second threading hole 22, and the first threading hole 12 is communicated with the second threading hole 22. Through setting up this first through wires hole 12 and second through wires hole 22, conveniently lay the electric wire of street lamp.
Referring to fig. 3 to 6, in the present embodiment, an embedded steel plate 120 is disposed on the top of the concrete crash barrier 100, the upper surface of the embedded steel plate 120 is exposed from the top surface of the concrete crash barrier 100, and the embedded bolt 110 passes through the first connecting plate 1 and the embedded steel plate 120 to install the first connecting plate 1 on the embedded steel plate 120. So set up, pre-buried steel sheet 120 of the pre-buried setting of top surface at concrete crash barrier 100 installs first connecting plate 1 among the connecting device on this pre-buried steel sheet 120, can make connecting device and concrete crash barrier 100 contact better, improves the stability of connecting device and affiliated facilities 200 installation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a connecting device between concrete crash barrier and affiliated facilities which characterized in that includes:
the first connecting plate (1) is connected with an embedded bolt (110) in the concrete anti-collision guardrail (100);
a second connection plate (2) connected to a bottom flange (210) of an accessory (200), said second connection plate (2) having dimensions matching said bottom flange (210) and being larger than said first connection plate (1);
and one end of the middle stiffening structure (3) is connected with the first connecting plate (1), the other end of the middle stiffening structure is connected with the second connecting plate (2), and a stiffening rib plate (31) is arranged on the middle stiffening structure (3).
2. The connecting device of the concrete crash barrier and the auxiliary facilities according to claim 1, wherein the first connecting plate (1) is provided with a first bolt hole (11) corresponding to the position of the embedded bolt (110), and the embedded bolt (110) penetrates into the first bolt hole (11) and is fastened and connected with the first connecting plate (1) through a first nut (4).
3. The connecting device between the concrete crash barrier and the accessory facility according to claim 1, wherein the second connecting plate (2) is provided with a second bolt hole (21) corresponding to the bolt hole of the bottom flange (210), and the second connecting plate (2) and the bottom flange (210) are fastened and connected through a fastening bolt (5) and a second nut (6).
4. The connecting device between a concrete crash barrier and an accessory according to claim 1, characterized in that said stiffening rib (31) is perpendicular to said first connecting plate (1) and said second connecting plate (2), the lower edge of said stiffening rib (31) being connected to said first connecting plate (1), the upper edge of said stiffening rib (31) being connected to said second connecting plate (2).
5. The connecting device between a concrete crash barrier and an accessory according to claim 4, characterized in that the upper edge of the stiffening rib (31) extends to the edge of the second connecting plate (2), the lower edge of the stiffening rib (31) extends to the edge of the first connecting plate (1), and the width of the stiffening rib (31) decreases from the end close to the second connecting plate (2) to the end close to the first connecting plate (1).
6. A connecting device between a concrete crash barrier and an accessory according to claim 4, characterized in that said intermediate stiffening structure (3) is provided with a plurality of said stiffening ribs (31), said plurality of said stiffening ribs (31) being circumferentially spaced along the centers of said first connecting plate (1) and said second connecting plate (2).
7. The connecting device between the concrete crash barrier and the auxiliary facilities as claimed in any one of claims 1 to 6, wherein a first threading hole (12) is formed on the first connecting plate (1), a second threading hole (22) is formed on the second connecting plate (2), and the first threading hole (12) and the second threading hole (22) are communicated.
8. The connecting device between the concrete crash barrier and the auxiliary facilities according to any one of claims 1 to 6, wherein a pre-buried steel plate (120) is disposed on the top of the concrete crash barrier (100), the upper surface of the pre-buried steel plate (120) is exposed from the top surface of the concrete crash barrier (100), and the pre-buried bolt (110) passes through the first connecting plate (1) and the pre-buried steel plate (120) to install the first connecting plate (1) on the pre-buried steel plate (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120598292.9U CN215052084U (en) | 2021-03-24 | 2021-03-24 | Connecting device between concrete anti-collision guardrail and accessory facilities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120598292.9U CN215052084U (en) | 2021-03-24 | 2021-03-24 | Connecting device between concrete anti-collision guardrail and accessory facilities |
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| CN215052084U true CN215052084U (en) | 2021-12-07 |
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| CN202120598292.9U Active CN215052084U (en) | 2021-03-24 | 2021-03-24 | Connecting device between concrete anti-collision guardrail and accessory facilities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164756A (en) * | 2021-12-22 | 2022-03-11 | 武汉理工大学 | Light high-strength assembly type bridge anti-collision guardrail |
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2021
- 2021-03-24 CN CN202120598292.9U patent/CN215052084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164756A (en) * | 2021-12-22 | 2022-03-11 | 武汉理工大学 | Light high-strength assembly type bridge anti-collision guardrail |
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