An assembled anti-falling support

Abstract

The utility model provides a kind of assembled anti-falling support, including stand, crossbeam and connecting piece, multiple first square mounting holes are equipped on stand, crossbeam is horizontally set between two vertically set stands, connecting piece includes connecting body, connecting toothed plate and square neck bolt, connecting body includes two symmetrically arranged L-shaped connecting plates and the bottom plate of the cross plate connecting two L-shaped connecting plates, at least one first strip mounting hole is equipped on the riser of L-shaped connecting plate, the outside of this riser is equipped with multiple clamping grooves, connecting toothed plate is equipped with second square mounting hole, connecting toothed plate is equipped with the clamping tooth compatible with clamping groove, the both ends of crossbeam are fixedly sleeved in the recess formed by the cross plate and bottom plate of L-shaped connecting plate, stand is sleeved between the riser of two L-shaped connecting plates, and is fixedly connected with connecting toothed plate, L-shaped connecting plate by square neck bolt.The utility model is free from welding, and can conveniently disassemble and transport the support.

Description

Technical Field

[0001] This utility model belongs to the field of fall arrestor technology, and in particular relates to an assembled fall arrestor. Background Technology

[0002] Steel scaffolding is frequently used in industry and construction. It mainly consists of steel beams, columns, and trusses made of shaped steel and steel plates. Due to its light weight and ease of construction, it is widely used in large factories, stadiums, and high-rise buildings. Currently, the components of existing scaffolding are typically connected by welding, which has the following drawbacks: firstly, it is extremely inconvenient to assemble, disassemble, and transport the scaffolding; secondly, the welds are prone to detachment after prolonged use, posing a safety hazard; and thirdly, the steel structure used in existing scaffolding is simple and lacks strong torsional resistance. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a prefabricated fall arrestor that is weld-free, easy to assemble, disassemble and transport, and has a large load-bearing capacity and long service life.

[0004] The technical solution adopted by this utility model to solve its technical problem is: A prefabricated fall arrestor includes columns, beams, and connectors. The columns are rectangular hollow structures with multiple first square mounting holes along their length. The beams are horizontally positioned between the two vertically positioned columns on their un-hole sides. The connectors include a connecting body, connecting toothed plates, and square neck bolts. The connecting body includes two symmetrically arranged L-shaped connecting plates and a base plate connecting the two L-shaped connecting plates. Each vertical plate of the L-shaped connecting plate has at least one first strip-shaped mounting hole, and its outer side has multiple slots along the vertical direction. The connecting toothed plates have second square mounting holes with the same size as the first square mounting holes and locking teeth that match the slots. The square neck bolts have square necks that match the first and second square mounting holes. The two ends of the beams are fixedly fitted into the grooves formed by the horizontal and base plates of the L-shaped connecting plates. The columns are fitted between the vertical plates of the two L-shaped connecting plates and are fixedly connected to the connecting toothed plates and L-shaped connecting plates by square neck bolts.

[0005] Optionally, the vertical plate of the L-shaped connecting plate is provided with two first strip-shaped mounting holes, one above the other, and each strip-shaped mounting hole is equipped with a connecting tooth plate.

[0006] Optionally, the base plate is provided with a circular mounting hole, and the two ends of the crossbeam are provided with a second strip-shaped mounting hole along the vertical direction. The two ends of the crossbeam are connected to the base plate by hexagonal bolts passing through the circular mounting hole and the second strip-shaped mounting hole, and the other end of the hexagonal bolt is locked and fixed by a buckle.

[0007] Optionally, the base plate is disposed on the upper surface of the crossbeam.

[0008] Optionally, the bracket also includes a base, which includes a base plate and a mounting cylinder that can be fitted onto the outside of the column. The mounting cylinder is disposed on the base plate and is fixedly connected to the bottom of the column by bolts. Fastening mounting holes are provided on both sides of the mounting cylinder on the base plate.

[0009] Optionally, the mounting cylinder is fixedly connected to the bottom of the column by a pair of bolts.

[0010] Optionally, the bottom of the mounting cylinder is provided with a foot, and the corner of the foot is provided with a ventilation opening.

[0011] The beneficial effects of this utility model are as follows: First, this utility model uses connectors and bolts to connect the columns and beams, eliminating the need for welding. This facilitates the disassembly, assembly, and transportation of the support, improving its rigidity and stability, increasing its load-bearing capacity, extending its service life, preventing falls, and enhancing its safety. Second, the structural design of the connecting body allows the beam to be stably connected to the column at any height. Specifically, the beam's installation height is first determined by aligning the first strip-shaped mounting hole of the vertical plate with the first square mounting hole of the column. Then, the stepless adjustment of the connecting tooth plate's teeth within the vertical plate's grooves precisely positions the second square mounting hole of the connecting tooth plate with the first square mounting hole of the column, achieving a stable connection between the beam and the column. Finally, this utility model uses columns made of rectangular hollow perforated square steel. By creating first square mounting holes on the columns and second square mounting holes on the connecting tooth plate, and then fixing the columns, connecting tooth plates, and L-shaped connecting plates together with square neck bolts, the overall torsional resistance of the support is improved. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings: Figure 1 This is a structural schematic diagram of an assembled fall arrestor provided by this utility model; Figure 2 This is a schematic diagram of the column structure in an embodiment of this utility model; Figure 3 This is a schematic diagram of the structure in an embodiment of the present utility model; Figure 4 This is a schematic diagram of the base structure in an embodiment of this utility model.

[0013] Wherein: 100-Column, 101-First square mounting hole, 200-Crossbeam, 201-Second strip mounting hole, 300-Connector, 301-Connecting body, 301.1-L-shaped connecting plate, 301.2-Base plate, 301.3-First strip mounting hole, 301.4-Slot, 301.5-Circular mounting hole, 302-Connecting toothed plate, 302.1-Second square mounting hole, 302.2-Slotted tooth, 303-Square neck bolt, 304-Hex bolt, 305-Lock, 306-Nut, 400-Base, 401-Base plate, 402-Mounting cylinder, 403-Fastening mounting hole, 404-Foot pad, 405-Bolt, 406-Nut, 407-Circular mounting hole. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0015] In the description of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, in the description of this utility model, unless otherwise stated, "multiple" or "several" means two or more.

[0017] like Figures 1-3As shown, this utility model provides an assembled fall arrestor, including a column 100, a crossbeam 200, and a connector 300. The column 100 has a rectangular hollow structure with multiple first square mounting holes 101 along its length. Two columns 100 are vertically arranged with their un-holeed sides facing each other. The crossbeam 200 is horizontally arranged between the un-holeed sides of the two vertically arranged columns 100. The connector 300 includes a connecting body 301, a connecting toothed plate 302, and a square neck bolt 303. The connecting body 301 includes two symmetrically arranged L-shaped connecting plates 301.1 and a base plate 301.2 connecting the two L-shaped connecting plates 301.1. The vertical plate of the L-shaped connecting plate 301.1 has at least one first strip-shaped mounting hole 301.3. The outer side of the vertical plate is provided with multiple slots 301.4 along the vertical direction. The connecting toothed plate 302 is provided with a second square mounting hole 302.1 with the same size as the first square mounting hole 101. The connecting toothed plate 302 is provided with a tooth 302.2 that matches the slot 301.4. The square neck of the square neck bolt 303 matches the first square mounting hole 101 and the second square mounting hole 302.1. The two ends of the crossbeam 200 are fixedly sleeved in the groove formed by the horizontal plate of the L-shaped connecting plate 301.1 and the bottom plate 301.2. The column 100 is sleeved between the vertical plates of the two L-shaped connecting plates 301.1 and is fixedly connected to the connecting toothed plate 302 and the L-shaped connecting plate 301.1 by the square neck bolt 303. The end of the square neck bolt is locked and fixed by the nut 306.

[0018] In this embodiment, the columns are made of hollow rectangular square steel. Multiple first square mounting holes are linearly formed on opposite sides of the square steel, and these holes correspond one-to-one when the two columns are placed vertically. The crossbeams can be made of open C-shaped channel steel. In this embodiment, the columns and crossbeams are made of high-strength square steel and channel steel to ensure more uniform compressive and torsional resistance, thereby improving overall stability.

[0019] In one embodiment, such as Figure 1 , Figure 3 As shown, the vertical plate of the L-shaped connecting plate 301.1 is provided with two first strip-shaped mounting holes 301.3, one above the other, and each strip-shaped mounting hole is equipped with a connecting toothed plate 302. By opening two first strip-shaped mounting holes, this utility model allows the column to be connected to the connecting body through a pair of square neck bolts, which can further improve the stability and torsional resistance of the connection.

[0020] In one embodiment, such as Figure 1 , Figure 3As shown, the base plate 301.2 has a circular mounting hole 301.5, and the two ends of the crossbeam 200 have a second strip-shaped mounting hole 201 along the vertical direction. The two ends of the crossbeam 200 are connected to the base plate 301.2 by hexagonal bolts 304 passing through the circular mounting hole 301.5 and the second strip-shaped mounting hole 201. The other end of the hexagonal bolts is locked and fixed by a locking buckle 305. The installation position of the base plate can be finely adjusted by opening the second strip-shaped mounting hole, and the crossbeam and the base plate can be firmly connected by the hexagonal bolts and the locking buckle.

[0021] In one embodiment, such as Figure 1 As shown, the base plate 301.2 is set on the upper surface of the crossbeam 200, which makes installation easier.

[0022] In one embodiment, such as Figure 1 , Figure 4 As shown, the bracket also includes a base 400, which includes a base plate 401 and a mounting cylinder 402 that can be fitted onto the outside of the column 100. The mounting cylinder 402 is disposed on the base plate 401, specifically vertically disposed in the middle of the base plate, and is fixedly connected to the bottom of the column 100 by bolts. The base plate 401 has fastening mounting holes 403 on both sides of the mounting cylinder 402. Each column has a base installed at its bottom. The mounting cylinder is designed in a cuboid shape and its shape can be adapted to the shape of the column to fit onto the outside of the column. A circular mounting hole 407 is opened on the side of the mounting cylinder. The position and size of the circular mounting hole correspond to the first square mounting hole of the column. The mounting cylinder and the column are fixedly connected by bolts 405 and nuts 406.

[0023] In one embodiment, such as Figure 1 , Figure 4 As shown, the mounting cylinder 402 is fixedly connected to the bottom of the column 100 by a pair of bolts 405 arranged at the top and bottom, and the ends of the bolts are locked by nuts 406. The pair of bolts are inserted into the circular mounting hole of the communicating mounting cylinder and the first square mounting hole of the column to fix the column and the base, which can further improve the connection stability.

[0024] In one embodiment, such as Figure 1 , Figure 4 As shown, the bottom of the mounting cylinder 402 is provided with a foot part 404, and a ventilation opening is provided at the corner of the foot part 404.

[0025] The installation steps of this utility model are as follows: First, set a pair of uprights vertically. Then, fix the two ends of the crossbeam to the base plate of the connecting body with hexagonal bolts and buckles. Next, place the crossbeam with the connecting body installed at a specified height between the two uprights, and fit the pair of vertical plates of each L-shaped connecting plate onto the outside of the uprights. The height can be infinitely adjusted by the locking teeth of the connecting tooth plate, so that the second square mounting hole of the connecting tooth plate is aligned with the first square mounting hole of the upright. Then, by inserting square neck bolts and tightening nuts, a stable connection between the uprights and the connecting body can be achieved. Then, the mounting sleeve of the base is fitted onto the bottom of the uprights, and the uprights and mounting sleeves are fixedly connected by bolts and nuts. The installation of the bracket is completed. Finally, the bracket as a whole is installed onto other structures through the fastening mounting holes of the base.

[0026] The column and crossbeam of this utility model are connected by a connector, which facilitates the disassembly, assembly, and transportation of the support, and enhances the load-bearing capacity and anti-fall capability of the support.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all fall within the protection scope of the appended claims of this utility model.

Claims

1. A prefabricated fall arrestor, characterized in that, The system includes columns (100), beams (200), and connectors (300). The columns (100) are rectangular hollow structures with multiple first square mounting holes (101) along their length. The beams (200) are horizontally positioned between the two vertically positioned columns (100) on the side without holes. The connectors (300) include a connecting body (301), a connecting toothed plate (302), and square neck bolts (303). The connecting body (301) includes two symmetrically arranged L-shaped connecting plates (301.1) and a base plate (301.2) of a horizontal plate connecting the two L-shaped connecting plates (301.1). The vertical plate of the L-shaped connecting plate (301.1) has a first strip-shaped mounting hole (301.3), and the outer side of the vertical plate has multiple slots (300) along the vertical direction. 01.4), the connecting tooth plate (302) is provided with a second square mounting hole (302.1) with the same size as the first square mounting hole (101), the connecting tooth plate (302) is provided with a locking tooth (302.2) that is adapted to the slot (301.4), the square neck of the square neck bolt (303) is adapted to the first square mounting hole (101) and the second square mounting hole (302.1), the two ends of the crossbeam (200) are fixedly sleeved in the groove formed by the horizontal plate and the bottom plate (301.2) of the L-shaped connecting plate (301.1), the column (100) is sleeved between the vertical plates of the two L-shaped connecting plates (301.1), and is fixedly connected to the connecting tooth plate (302) and the L-shaped connecting plate (301.1) by the square neck bolt (303).

2. The prefabricated fall arrestor according to claim 1, characterized in that, The vertical plate of the L-shaped connecting plate (301.1) is provided with two first strip-shaped mounting holes (301.3), one above the other, and each strip-shaped mounting hole is equipped with a connecting toothed plate (302).

3. The prefabricated fall arrestor according to claim 1, characterized in that, The base plate (301.2) is provided with a circular mounting hole (301.5), and the two ends of the crossbeam (200) are provided with a second strip-shaped mounting hole (201) along the vertical direction. The two ends of the crossbeam (200) are connected to the base plate (301.2) by hexagonal bolts (304) passing through the circular mounting hole (301.5) and the second strip-shaped mounting hole (201). The other end of the hexagonal bolt (304) is locked and fixed by a buckle (305).

4. The prefabricated fall arrestor according to claim 1 or 3, characterized in that, The base plate (301.2) is disposed on the upper surface of the crossbeam (200).

5. The prefabricated fall arrestor according to claim 1, characterized in that, The bracket also includes a base (400), which includes a base plate (401) and a mounting sleeve (402) that can be fitted onto the outside of the column (100). The mounting sleeve (402) is disposed on the base plate (401) and is fixedly connected to the bottom of the column (100) by bolts. The base plate (401) is provided with fastening mounting holes (403) on both sides of the mounting sleeve (402).

6. The prefabricated fall arrestor according to claim 5, characterized in that, The mounting cylinder (402) is fixedly connected to the bottom of the column (100) by a pair of bolts.

7. The prefabricated fall arrestor according to claim 5, characterized in that, The bottom of the mounting cylinder (402) is provided with a foot part (404), and the corner of the foot part (404) is provided with a ventilation opening.

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