Anti-falling device for bridge construction

Abstract

The utility model discloses an anti-falling device for bridge construction, and relates to the technical field of bridge construction. The bridge deck protection device comprises two stand columns, the bottoms of the two stand columns are provided with positioning assemblies used for being connected with the edge of a bridge deck, the front faces of the stand columns are provided with first protection assemblies, and the inner walls of the stand columns are slidably connected with sliding rods. A height adjusting assembly used for limiting the sliding rods is arranged on the side face of the stand column, a protective net is fixedly connected to the surface of the sliding rod on the right side, a tightening assembly used for adjusting the stretching width of the protective net is arranged on the surface of the sliding rod on the left side, the positioning assembly comprises a bottom plate, and the bottom plate is fixedly connected with the bottom end of the stand column. During use, the effect that the protection width and area during bridge construction can be freely adjusted conveniently is achieved, so that the bridge protection device adapts to different construction ranges, and different protection requirements are better met.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a bridge construction anti-falling device. Background Art

[0002] With the continuous development of society in recent years, the scale of infrastructure construction has also been expanding. As one of the basic infrastructures, bridge engineering has also been booming in recent years, and both its scope of use and its own load capacity are constantly increasing. In bridge construction, due to the particularity of its construction location, it is necessary to use anti-fall devices near its construction location. During the construction process, it not only provides better safety protection for personnel to avoid accidents caused by construction personnel falling, but also protects against possible splashing of flying rocks and other materials in the construction area, reducing the risk of injury to construction personnel.

[0003] The Chinese patent document with the announcement number CN216515169U discloses a fall prevention device for bridge construction, including an upper clamping plate, a lower clamping plate, an adjustable connecting plate, a transmission bevel gear, an active bevel gear, a support plate and a rotating adjustment column, through the upper clamping plate and the lower clamping plate. With respect to the above technical solution, there are still the following defects: in actual bridge construction, the construction area has different sizes, and the existing technology has a fixed protection width, which is difficult to adjust according to actual construction needs, and therefore difficult to meet different protection needs.

[0004] For this reason, a bridge construction anti-falling device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems mentioned in the above background technology and provide a bridge construction anti-falling device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A fall prevention device for bridge construction comprises two columns, wherein the bottoms of the two columns are each provided with a positioning assembly for connecting to an edge of a bridge deck, the front sides of the columns are provided with a first protective assembly, the inner walls of the columns are slidably connected to a slide bar, the sides of the columns are provided with a height adjustment assembly for limiting the slide bar, a protective net is fixedly connected to the surface of the right slide bar, and a tightening assembly for adjusting the extension width of the protective net is provided on the surface of the left slide bar.

[0008] Furthermore, the positioning assembly includes a base plate, and the base plate is fixedly connected to the bottom end of the column, the surface of the base plate is threadedly connected to a threaded column, the top of the threaded column is fixedly connected to a knob, the bottom end of the threaded column is rotatably connected to a clamping plate, the top surface of the clamping plate is fixedly connected to a sliding column, and the sliding column is movably connected to the base plate.

[0009] Furthermore, the first protective component includes a first baffle, and the first baffle is fixedly connected to the left column, and a second baffle is slidably connected to the surface of the first baffle, and the second baffle is fixedly connected to the surface of the right column.

[0010] Furthermore, the tightening assembly includes an installation box, and the installation box is fixedly connected to the sliding rod on the left side, the inner wall of the installation box is rotatably connected to a rotating shaft, the left end of the protective net is fixedly connected to the rotating shaft, a worm gear is fixedly sleeved on the surface of the rotating shaft, the inner wall of the installation box is rotatably connected to a worm, and the worm gear is meshed with the worm wheel, the rear end of the worm gear is fixedly connected to a crank, an extension groove is opened through the right side surface of the installation box, and the protective net extends from the inside of the extension groove.

[0011] Furthermore, the height adjustment assembly includes a fastening bolt, and the fastening bolt is threadedly connected to the column, and a plurality of positioning screw holes are evenly spaced in the vertical direction on the side surface of the slide rod, and the positioning screw holes are threadedly connected to the fastening bolt.

[0012] Furthermore, a top surface of the bottom plate is provided with a reinforcement groove through which the bolts can pass.

[0013] The beneficial effects of the utility model are as follows:

[0014] Adjust the distance between the two columns so that the distance can cover the construction area, and perform a first layer of protection through the first protection component. The first protection component can automatically adapt to the distance between the two columns, and then tighten the protection net through the tightening component to make the width of the protection net adapt to the distance between the two columns. Then use the positioning component to fix the columns on the bridge deck, slide the slide bar up and down to the appropriate height, and use the height adjustment component to fix the height of the slide bar to adjust the protection height of the protection net, thereby preventing people or objects from falling from the bridge. In use, it is possible to freely adjust the protection width and area during bridge construction, so as to adapt to different construction ranges and better meet different protection needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a rear view of the first protective assembly structure of the utility model;

[0017] Figure 3 It is a rear view of the structure of the left side column of the utility model;

[0018] Figure 4 This utility model Figure 3 Cross-sectional view of the middle installation box structure;

[0019] Figure numerals: 1. column; 2. positioning assembly; 201. base plate; 202. threaded column; 203. knob; 204. clamping plate; 205. sliding column; 3. first protective assembly; 301. first baffle; 302. second baffle; 4. protective net; 5. sliding rod; 6. tightening assembly; 601. mounting box; 602. rotating shaft; 603. crank; 604. worm; 605. extension slot; 606. worm wheel; 7. height adjustment assembly; 701. fastening bolt; 702. positioning screw hole; 8. reinforcement slot. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figures 1 to 4As shown, a bridge construction anti-fall device includes a column 1, the number of the columns 1 is two, the bottom of the two columns 1 is provided with a positioning component 2 for connecting to the edge of the bridge deck, the front of the column 1 is provided with a first protective component 3, the inner wall of the column 1 is slidably connected with a slide bar 5, the side of the column 1 is provided with a height adjustment component 7 for limiting the slide bar 5, the surface of the right slide bar 5 is fixedly connected with a protective net 4, and the surface of the left slide bar 5 is provided with a tightening component 6 for adjusting the extension width of the protective net 4. More specifically, the distance between the two columns 1 is adjusted so that the distance can cover the construction area, and a first layer of protection is performed through the first protection component 3, which can automatically adapt to the distance between the two columns 1. The protection net 4 is then tightened by the tightening component 6 so that the width of the protection net 4 adapts to the distance between the two columns 1. The column 1 is then fixed on the bridge deck using the positioning component 2, and the slide bar 5 is slid up and down to a suitable height. The height of the slide bar 5 is fixed using the height adjustment component 7, and the protection height of the protection net 4 can be adjusted to prevent people or objects from falling from the bridge.

[0025] The positioning assembly 2 includes a bottom plate 201, and the bottom plate 201 is fixedly connected to the bottom end of the column 1, the surface of the bottom plate 201 is threadedly connected with a threaded column 202, the top of the threaded column 202 is fixedly connected with a knob 203, the bottom end of the threaded column 202 is rotatably connected with a clamping plate 204, the top surface of the clamping plate 204 is fixedly connected with a sliding column 205, and the sliding column 205 is movably plugged with the bottom plate 201. It should be noted that the bottom plate 201 is attached to the bridge deck, and the threaded column 202 is driven to rotate by turning the knob 203. Under the action of the thread, the threaded column 202 will rise, thereby driving the clamping plate 204 and the sliding column 205 to rise, and the bottom plate 201 and the clamping plate 204 work together to clamp and fix the bridge deck.

[0026] The first protection assembly 3 includes a first baffle 301, and the first baffle 301 is fixedly connected to the left column 1, and the surface of the first baffle 301 is slidably connected to the second baffle 302, and the second baffle 302 is fixedly connected to the surface of the right column 1. More specifically, when the two columns 1 are moved closer or farther away from each other, the first baffle 301 and the second baffle 302 will slide against each other, and the overall protection width of the first baffle 301 and the second baffle 302 will change, and the first baffle 301 and the second baffle 302 are spliced ​​together for common protection.

[0027] The tightening assembly 6 includes a mounting box 601, and the mounting box 601 is fixedly connected to the left sliding bar 5, the inner wall of the mounting box 601 is rotatably connected to a rotating shaft 602, the left end of the protective net 4 is fixedly connected to the rotating shaft 602, a worm wheel 606 is fixedly sleeved on the surface of the rotating shaft 602, a worm 604 is rotatably connected to the inner wall of the mounting box 601, and the worm 604 is meshed with the worm wheel 606, a crank 603 is fixedly connected to the rear end of the worm 604, and a projection groove 605 is formed through the right side of the mounting box 601, and the protective net 4 extends from the inside of the projection groove 605. It should be noted that by rotating the crank 603, the worm 604 is driven to rotate, thereby driving the worm wheel 606 meshed therewith to rotate, and the rotating shaft 602 can be controlled to rotate, thereby pulling the protective net 4 to be wound, thereby controlling the extension length of the protective net 4, that is, the protection width.

[0028] The height adjustment assembly 7 includes a fastening bolt 701, and the fastening bolt 701 is threadedly connected to the column 1. A plurality of positioning screw holes 702 are evenly spaced in the vertical direction on the side of the slide bar 5, and the positioning screw holes 702 are threadedly connected to the fastening bolt 701. More specifically, by sliding the slide bar 5 up and down, the protection net 4 is driven to move up and down to adjust the protection height of the protection net 4, and the fastening bolt 701 is connected to the positioning screw hole 702 to fix the slide bar 5, thereby fixing the height of the protection net 4.

[0029] The top surface of the bottom plate 201 is provided with a reinforcement groove 8 through which bolts can pass. It should be noted that by providing the reinforcement groove 8, bolts can be used to pass through the reinforcement groove 8 to connect with the bridge deck, thereby reinforcing the device.

[0030] In summary: adjust the distance between the two columns 1 so that the distance can cover the construction area, and perform a layer of protection through the first protection component 3. The first protection component 3 can automatically adapt to the distance between the two columns 1, and then tighten the protection net 4 through the tightening component 6, so that the width of the protection net 4 adapts to the distance between the two columns 1, and then use the positioning component 2 to fix the column 1 on the bridge deck, and slide the slide bar 5 up and down to a suitable height, and use the height adjustment component 7 to fix the height of the slide bar 5. The protection height of the protection net 4 can be adjusted to prevent people or objects from falling from the bridge. In use, it is possible to freely adjust the protection width and area during bridge construction, so as to adapt to different construction ranges and better meet different protection needs.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A bridge construction anti-fall device, characterized in that: The invention comprises a column (1), wherein the number of the columns (1) is two, the bottom of each of the two columns (1) is provided with a positioning component (2) for connecting to the edge of the bridge deck, the front of the column (1) is provided with a first protective component (3), the inner wall of the column (1) is slidably connected to a slide rod (5), the side of the column (1) is provided with a height adjustment component (7) for limiting the slide rod (5), the surface of the right slide rod (5) is fixedly connected to a protective net (4), and the surface of the left slide rod (5) is provided with a tightening component (6) for adjusting the extension width of the protective net (4).

2. A bridge construction anti-falling device according to claim 1, characterized in that: The positioning assembly (2) comprises a base plate (201), and the base plate (201) is fixedly connected to the bottom end of the column (1); a threaded column (202) is threadedly connected to the surface of the base plate (201); a knob (203) is fixedly connected to the top end of the threaded column (202); a clamping plate (204) is rotatably connected to the bottom end of the threaded column (202); a sliding column (205) is fixedly connected to the top surface of the clamping plate (204); and the sliding column (205) is movably plugged into the base plate (201).

3. A bridge construction anti-falling device according to claim 1, characterized in that: The first protection component (3) comprises a first baffle (301), and the first baffle (301) is fixedly connected to the left column (1), and the surface of the first baffle (301) is slidably connected to a second baffle (302), and the second baffle (302) is fixedly connected to the surface of the right column (1).

4. A bridge construction anti-falling device according to claim 1, characterized in that: The tightening assembly (6) includes a mounting box (601), and the mounting box (601) is fixedly connected to the left sliding rod (5), the inner wall of the mounting box (601) is rotatably connected to a rotating shaft (602), the left end of the protective net (4) is fixedly connected to the rotating shaft (602), the surface of the rotating shaft (602) is fixedly sleeved with a worm gear (606), the inner wall of the mounting box (601) is rotatably connected to a worm (604), and the worm (604) is meshed with the worm gear (606), the rear end of the worm (604) is fixedly connected to a crank (603), the right side surface of the mounting box (601) is penetrated by a protruding groove (605), and the protective net (4) protrudes from the inside of the protruding groove (605).

5. The anti-fall device for bridge construction according to claim 1, characterized in that: The height adjustment assembly (7) comprises a fastening bolt (701), and the fastening bolt (701) is threadedly connected to the column (1); a plurality of positioning screw holes (702) are formed at equal intervals in the vertical direction on the side surface of the sliding rod (5), and the positioning screw holes (702) are threadedly connected to the fastening bolt (701).

6. A bridge construction anti-falling device according to claim 2, characterized in that: The top surface of the bottom plate (201) is provided with a reinforcement groove (8) through which bolts can pass.

Images