CN114855640A - Limit retractable safety protection railing is faced to bridge construction bent cap - Google Patents
Limit retractable safety protection railing is faced to bridge construction bent cap Download PDFInfo
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- CN114855640A CN114855640A CN202210705815.4A CN202210705815A CN114855640A CN 114855640 A CN114855640 A CN 114855640A CN 202210705815 A CN202210705815 A CN 202210705815A CN 114855640 A CN114855640 A CN 114855640A
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- bar
- loop bar
- bridge construction
- loop
- rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a telescopic safety protection guardrail with a bridge construction bent cap edge, which comprises a foundation upright rod, a first loop bar, a first inserted bar, a second loop bar and a second inserted bar, wherein the foundation upright rod is connected with the first loop bar through a first connecting rod; the plurality of foundation upright posts are parallel to each other and are vertically arranged to form a rectangular support frame of the protective railing, and the inner side of the lower end of the rectangular support frame abuts against the outer side of the adjacent edge of the bridge construction bent cap; the protective handrail is a telescopic structure formed by mutually connecting a base upright rod, a first loop rod, a first insertion rod, a second loop rod and a second insertion rod, and the long side rod and the short side rod of the protective handrail are movably connected through the insertion rods and the loop rods.
Description
Technical Field
The invention relates to the technical field of bridge construction protection facilities, in particular to a telescopic safety protection guardrail with a bridge construction bent cap edge.
Background
In the construction of a bent cap or a tie beam in bridge construction, a protective device is usually arranged at the adjacent edge of the bent cap or the tie beam for safety. The existing protection device is formed by erecting fastener type steel pipes with the diameter of 48mm and the wall thickness of 3.6mm, and the steel pipes are brushed with paint alternately in red and white to serve as warning signs. And welding reinforcing meshes by using reinforcing steel bars in the plane of the capping beam or the tie beam, and then fully paving the bamboo gangplank for protection.
The existing protection device is inconvenient to operate, small components fall from a high place easily, a plurality of places of the operation surface of a steel pipe vertical face protection railing worker are empty and are not provided with protection, full-closed protection cannot be formed, the protection effect is poor, and the safety risk in the operation process is large.
The prior patent with the application number of CN201920726885.1 discloses a bridge capping beam or tie beam edge protection device, which comprises a guard rail, wherein the guard rail is a square steel welding part; the guard rail comprises a group of upright posts which are arranged in a rectangular shape, and the upright posts are connected with each other through a top beam, a middle beam and a bottom beam; the guard rail is provided with an entrance and an exit; a movable door is arranged at the entrance and exit; the movable door is connected with the protective guard through a hinge. The problems with this technique are as follows: the protective guard is a square steel welding part, so the length, the width and the size of the protective guard are fixed, and the protective guard cannot be adjusted according to the size of a cover beam for on-site bridge construction.
Disclosure of Invention
The invention aims to solve the technical problem that how to solve the problems that the length and the width of the protective railing at the edge of the existing bridge construction bent cap are fixed, and the size of the protective railing cannot be adjusted according to the size of the bridge construction bent cap on site.
In order to solve the technical problems, the invention provides the following technical scheme: a telescopic safety protection railing for a bridge construction bent cap edge comprises a foundation upright rod, a first loop bar, a first inserted bar, a second loop bar and a second inserted bar; the foundation upright posts are parallel to each other and are vertically arranged to form a rectangular support frame of the protective railing, and the inner side of the lower end of the rectangular support frame abuts against the outer side of the adjacent edge of the bridge construction bent cap; the first loop bar, the first inserted bar, the second loop bar and the second inserted bar are all provided with a plurality of loop bars and the number of the loop bars is the same;
the first sleeve rod is hollow, one end of the first inserted rod is sleeved in an inner hole of the first sleeve rod, the first inserted rod and the first sleeve rod are connected in a sliding mode to form long side rods, multiple groups of the long side rods are arranged in an up-down parallel mode, and two ends of each long side rod are fixedly connected with the upper ends of two basic vertical rods in the length direction of the rectangular support frame respectively;
the second loop bar is inside cavity, a second inserted bar pot head is established in the hole of second loop bar, the second inserted bar with second loop bar sliding connection constitutes short limit pole, short limit pole parallel arrangement has the multiunit from top to bottom, short limit pole both ends respectively with two basic pole setting upper ends fixed connection on the width direction of rectangle support frame.
The guard rail is a telescopic structure formed by mutually connecting a foundation upright rod, a first loop bar, a first inserted link, a second loop bar and a second inserted link, and the long side rod and the short side rod of the guard rail are movably connected by the inserted link and the loop bar, so that the length, the width or the size of the guard rail can be adjusted according to the size of the adjacent side of the capping beam in site bridge construction during use, and the use is convenient.
Preferably, the reinforced concrete structure further comprises a reinforcing component, wherein the reinforcing component comprises a reinforcing upright rod, a third loop rod and a third inserted rod;
the two reinforcing vertical rods are vertically fixed at the lower ends of the two first sleeve rods positioned at the lowest part, and the inner sides of the two reinforcing vertical rods are abutted against the outer sides of the adjacent edges of the bridge construction bent cap;
one end of the third inserted bar is fixedly connected with one of the first sleeved bars positioned at the lowest part, the other end of the third inserted bar is sleeved in one end of the third sleeved bar and is in sliding connection with the third sleeved bar, and the other end of the third sleeved bar is fixedly connected with the other first sleeved bar positioned at the lowest part; the bottom surfaces of the second loop bar and the second inserted bar which are positioned at the lowest part are propped against the upper surface of the bridge construction bent cap.
Preferably, there are four of said base uprights.
Preferably, the length of the reinforcing uprights is the same as the length of the base uprights below the lowermost first set of uprights.
Preferably, the fixing device further comprises a plurality of fixing vertical rods, and the plurality of fixing vertical rods are vertically fixed on the first loop bar at equal intervals.
Preferably, the device also comprises a plurality of movable vertical rods and a plurality of sleeves; the sleeve is sleeved on the first inserting rod and is in sliding connection with the first inserting rod, the sleeves are arranged in parallel from top to bottom, and a movable vertical rod is fixedly connected between every two adjacent sleeves to enable the movable vertical rod to move horizontally.
Has the advantages that: according to the invention, through the arrangement of the movable vertical rods and the sleeves, the movable vertical rods can move horizontally, so that the distance between adjacent movable vertical rods can be adjusted, on one hand, the safety of constructors can be ensured, and on the other hand, gaps between adjacent movable vertical rods can be used as entrances and exits of constructors.
Compared with the prior art, the invention has the beneficial effects that:
1. the guard rail is a telescopic structure formed by mutually connecting a foundation upright rod, a first loop bar, a first inserted link, a second loop bar and a second inserted link, and the long side rod and the short side rod of the guard rail are movably connected by the inserted link and the loop bar, so that the length, the width or the size of the guard rail can be adjusted according to the size of the adjacent side of the capping beam in site bridge construction during use, and the use is convenient.
2. According to the invention, through the arrangement of the movable vertical rods and the sleeves, the movable vertical rods can move horizontally, so that the distance between adjacent movable vertical rods can be adjusted, on one hand, the safety of constructors can be ensured, and on the other hand, gaps between adjacent movable vertical rods can be used as entrances and exits of constructors.
Drawings
FIG. 1 is a schematic structural view of a telescopic safety guard rail adjacent to a bridge construction bent cap in an embodiment of the invention;
fig. 2 is a schematic structural view of the retractable safety barrier according to the embodiment of the present invention.
The reference numbers illustrate:
1. a base upright stanchion; 2. a first loop bar; 3. a first plunger; 4. a second loop bar; 5. a second plunger; 6. a reinforcement assembly; 601. reinforcing the vertical rod; 602. a third loop bar; 603. a third plunger; 7. fixing the vertical rod; 8. a movable vertical rod; 9. a sleeve.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
As shown in fig. 1 and 2, the embodiment provides a telescopic safety protection guardrail for bridge construction bent cap edge, which comprises a base vertical rod 1, a first loop bar 2, a first inserted bar 3, a second loop bar 4, a second inserted bar 5, a reinforcing component 6, a fixed vertical rod 7, a movable vertical rod 8 and a sleeve 9.
As shown in fig. 1 and 2, the foundation upright stanchion 1 of this embodiment is provided with a plurality of, and is a plurality of the foundation upright stanchion 1 is parallel to each other and the vertical setting constitutes the rectangular support frame of guard rail, the inboard limit outside that faces at the bridge construction bent cap of propping of lower extreme of rectangular support frame.
Specifically, the number of the foundation poles 1 of the present embodiment is four.
As shown in fig. 1 and 2, a plurality of first loop bars 2, a plurality of first insert bars 3, a plurality of second loop bars 4 and a plurality of second insert bars 5 are provided in the present embodiment;
the first loop bar 2 is hollow, one end of the first inserted bar 3 is sleeved in an inner hole of the first loop bar 2, the first inserted bar 3 and the first loop bar 2 are connected in a sliding mode to form long side bars, a plurality of groups of the long side bars are arranged in parallel up and down, and two ends of each long side bar are respectively fixedly connected with the upper ends of two basic vertical bars 1 in the length direction of the rectangular support frame; the inside cavity of second loop bar 4, 5 pot heads of second inserted bar are established in the hole of second loop bar 4, second inserted bar 5 with 4 sliding connection of second loop bar constitute short limit pole, short limit pole parallel arrangement has the multiunit from top to bottom, short limit pole both ends respectively with 1 upper end fixed connection of two basic pole settings on the width direction of rectangle support frame.
Specifically, with the orientation of fig. 1 as a reference, the left end of the first loop bar 2 is provided with an opening communicated with an inner hole thereof, the left end of the first inserted bar 3 is welded and fixed or fixed by screws with the right side of the base upright bar 1 positioned at the front end of the left side, the right end of the first inserted bar 3 is inserted into the inner hole thereof through the opening at the left end of the first loop bar 2, the right end of the first loop bar 2 is welded and fixed or fixed by screws with the left side of the base upright bar 1 positioned at the front end of the right side, and the first loop bar 2 can slide left and right in the first loop bar 2, so that the first loop bar 2 and the first inserted bar 3 form a long side bar, and the length of the long side bar can be adjusted at will, therefore, multiple groups of long side bars can be adjusted in length at the same time; similarly, the front end of the second loop bar 4 is provided with an opening communicated with the inner hole thereof, the front end of the second inserted bar 5 is welded and fixed or fixed by screws with the rear side of the base upright bar 1 positioned at the front end on the left side, the rear end of the second inserted bar 5 is inserted into the inner hole thereof through the opening at the front end of the second loop bar 4, and the rear end of the second loop bar 4 is welded and fixed or fixed by screws with the front side of the base upright bar 1 positioned at the rear end on the left side. Through the setting, and then will be located the long limit pole of the multiunit of front side, rear side, be located the multiunit short limit pole on left side, right side and carry out assembled joint with basic pole setting 1 and constitute protection railing.
The guard rail is a telescopic structure formed by mutually connecting a foundation upright rod 1, a first loop bar 2, a first inserting bar 3, a second loop bar 4 and a second inserting bar 5, and the long side bar and the short side bar of the guard rail are movably connected by the inserting bars and the loop bars, so that the length and the width or the size of the guard rail can be adjusted according to the size of the adjacent side of a capping beam in site bridge construction during use, and the use is convenient.
As shown in fig. 1 and 2, the reinforcing assembly 6 includes a reinforcing upright 601, a third loop bar 602, and a third insert bar 603;
the number of the two reinforcing vertical rods 601 is two, the two reinforcing vertical rods 601 are vertically fixed at the lower ends of the two first sleeve rods 2 positioned at the lowest part, and the inner sides of the two reinforcing vertical rods 601 abut against the outer sides of the adjacent edges of the bridge construction bent cap;
one end of the third inserting rod 603 is fixedly connected with one of the first loop bars 2 located at the lowermost position, the other end of the third inserting rod 603 is sleeved inside one end of the third loop bar 602 and is slidably connected with the third loop bar 602, and the other end of the third loop bar 602 is fixedly connected with the other first loop bar 2 located at the lowermost position; the bottom surfaces of the second sleeve rod 4 and the second inserted rod 5 which are positioned at the lowest part are abutted against the upper surface of the bridge construction capping beam.
The length of the reinforcing upright 601 is the same as the length of the base upright 1 below the lowermost first loop bar 2.
As shown in fig. 1 and 2, a plurality of fixed vertical rods 7 are provided, and the plurality of fixed vertical rods 7 are vertically fixed on the first loop bar 2 at equal intervals.
As shown in fig. 1 and 2, a plurality of movable vertical rods 8 and sleeves 9 are provided; the sleeve 9 is sleeved on the first inserting rod 3 and is in sliding connection with the first inserting rod 3, the plurality of sleeves 9 are arranged in parallel from top to bottom, and a movable vertical rod 8 is fixedly connected between every two adjacent sleeves 9 to enable the movable vertical rod 8 to move horizontally.
According to the invention, through the arrangement of the movable vertical rods 8 and the sleeves 9, the movable vertical rods 8 can move horizontally, so that the distance between adjacent movable vertical rods 8 can be adjusted, on one hand, the safety of constructors can be ensured, and on the other hand, gaps between adjacent movable vertical rods 8 can be used as entrances and exits of constructors.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a limit retractable safety protection railing is faced to bridge construction bent cap, its characterized in that: comprises a base upright stanchion (1), a first loop bar (2), a first inserted bar (3), a second loop bar (4) and a second inserted bar (5); the foundation upright posts (1) are arranged in plurality, the foundation upright posts (1) are parallel to each other and are vertically arranged to form a rectangular support frame of the protective railing, and the inner side of the lower end of the rectangular support frame abuts against the outer side of the adjacent edge of the bridge construction bent cap; the number of the first loop bars (2), the number of the first inserted bars (3), the number of the second loop bars (4) and the number of the second inserted bars (5) are the same;
the first loop bar (2) is hollow, one end of the first inserted bar (3) is sleeved in an inner hole of the first loop bar (2), the first inserted bar (3) and the first loop bar (2) are connected in a sliding mode to form long side bars, multiple groups of the long side bars are arranged in an up-down parallel mode, and two ends of each long side bar are fixedly connected with the upper ends of two basic vertical bars (1) in the length direction of the rectangular support frame respectively;
the inside cavity of second loop bar (4), a pot head of second inserted bar (5) is established in the hole of second loop bar (4), second inserted bar (5) with second loop bar (4) sliding connection constitutes short limit pole, short limit pole parallel arrangement has the multiunit from top to bottom, short limit pole both ends respectively with two basic pole setting (1) upper end fixed connection on the width direction of rectangle support frame.
2. The telescopic safety protection rail for the bridge construction bent cap edge according to claim 1, is characterized in that: the reinforced concrete structure is characterized by further comprising a reinforced assembly (6), wherein the reinforced assembly (6) comprises a reinforced vertical rod (601), a third loop bar (602) and a third inserted rod (603);
the number of the reinforcing vertical rods (601) is two, the two reinforcing vertical rods (601) are vertically fixed at the lower ends of the two first sleeve rods (2) positioned at the lowest part, and the inner sides of the two reinforcing vertical rods (601) are abutted against the outer sides of the adjacent edges of the bridge construction bent caps;
one end of the third inserted bar (603) is fixedly connected with one of the first loop bars (2) positioned at the lowest part, the other end of the third inserted bar (603) is sleeved in one end of the third loop bar (602) and is in sliding connection with the third loop bar (602), and the other end of the third loop bar (602) is fixedly connected with the other first loop bar (2) positioned at the lowest part; the bottom surfaces of the second loop bar (4) and the second inserted bar (5) which are positioned at the lowest part are propped against the upper surface of the bridge construction bent cap.
3. The telescopic safety protection rail for bridge construction bent cap edge according to claim 2, is characterized in that: the number of the foundation upright stanchions (1) is four.
4. The telescopic safety protection rail for bridge construction bent cap edge according to claim 3, is characterized in that: the length of the reinforcing vertical rod (601) is the same as that of the foundation vertical rod (1) below the first lowermost loop bar (2).
5. The telescopic safety protection rail for the bridge construction bent cap edge according to claim 1, is characterized in that: the fixing device is characterized by further comprising a plurality of fixing vertical rods (7), wherein the fixing vertical rods (7) are vertically fixed on the first loop bar (2) at equal intervals.
6. The telescopic safety protection rail for the bridge construction bent cap edge according to claim 1, is characterized in that: the device is characterized by also comprising a plurality of movable vertical rods (8) and a plurality of sleeves (9), wherein the movable vertical rods (8) and the sleeves (9) are arranged; sleeve (9) cover establish on first inserted bar (3) and with first inserted bar (3) sliding connection, it is a plurality of parallel arrangement about sleeve (9), adjacent two fixedly connected with a activity vertical pole (8) between sleeve (9) cause activity vertical pole (8) can horizontal migration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705815.4A CN114855640A (en) | 2022-06-21 | 2022-06-21 | Limit retractable safety protection railing is faced to bridge construction bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705815.4A CN114855640A (en) | 2022-06-21 | 2022-06-21 | Limit retractable safety protection railing is faced to bridge construction bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114855640A true CN114855640A (en) | 2022-08-05 |
Family
ID=82626309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210705815.4A Pending CN114855640A (en) | 2022-06-21 | 2022-06-21 | Limit retractable safety protection railing is faced to bridge construction bent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114855640A (en) |
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2022
- 2022-06-21 CN CN202210705815.4A patent/CN114855640A/en active Pending
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