Quick-connection protective net for bridge construction

Abstract

A quick-connection protective net for bridge construction relates to the field of bridge construction, and is characterized in that a connecting rod (12) is arranged between two adjacent connecting bolts B (11), two ends of the connecting rod (12) are respectively screwed by external threads B (27) and two screw holes B (15), the external threads B (27) and the screw holes B (15) are opposite in direction, the lower ends of two upright posts (2) are respectively connected with the tops of one ends of two bases (14), and the number of quick-connection bolts (6) is two. Two quick-connection bolts (6) are rotationally connected into the two half through grooves (21) through rod bodies (19), two end caps (18) are arranged in the two expanded diameters (17) respectively, and two external threads A (23) are connected into the two adjacent screw holes A (13) in a threaded mode respectively; according to the protective net, the outer frame is formed by supporting the stand columns through the supports, the connecting rods and the inserting rods, the outer frame is connected with the frame body through the quick connecting bolts, the connecting structure of the protective net is arranged in the frame body, the supports, the connecting rods and the inserting rods are connected easily and quickly, and the purposes of being firm in installation and convenient to disassemble and transport are achieved.

Description

Technical Field

[0001] The utility model relates to the field of bridge construction, in particular to a quick-connect protective net for bridge construction. Background Technique

[0002] A bridge generally refers to a structure erected over rivers, lakes and seas to enable vehicles, pedestrians, etc. to pass smoothly. To adapt to the modern rapidly developing transportation industry, a bridge is also extended to a building that is erected across mountain streams, poor geological conditions or to meet other traffic needs to make passage more convenient. When constructing a bridge, it is necessary to protect the surrounding area to avoid accidents. The protective measures during bridge construction are usually protective guardrails. However, the existing construction guardrails not only have a large overall structure and are time-consuming and laborious to install, but also have disadvantages such as inconvenient carrying and troublesome assembly. Content of the Utility Model

[0003] In order to overcome the deficiencies in the background technique, the utility model discloses a quick-connect protective net for bridge construction. By setting the protective net as an outer frame formed by a support column of a support and a connecting rod and a plug rod, the outer frame is connected to a frame body through a quick-connect bolt, and a connecting structure of the protective net is arranged inside the frame body. The connection between the support, the connecting rod and the plug rod is simple and fast, achieving the purpose of not only being firmly installed, but also being convenient for disassembly and transportation.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A quick-connect protective net for bridge construction includes a support, a quick-connect bolt, a column and a frame body. The support includes a base, and connecting bolts B are respectively arranged on opposite sides at one end of the base. Threaded holes B are arranged in both connecting bolts B, and the threaded directions of the threaded holes B arranged in the two connecting bolts B are opposite. There are two supports and they are arranged at intervals. A connecting rod whose two ends are respectively screwed to the two threaded holes B with opposite external threads B is arranged between the adjacent two connecting bolts B. Connecting bolts A are respectively arranged on opposite sides in the middle of the column. Threaded holes A are arranged in both connecting bolts A. Connecting seats are respectively arranged on opposite sides of the frame body. Half-through grooves are arranged on one side of each of the two connecting seats. Enlarged diameters are arranged at the closed ends of the two half-through grooves. A protective net is arranged inside the frame body. The quick-connect bolt includes a rod body, an end cap is arranged at one end of the rod body, an external thread A is arranged at the other end of the rod body, and an external hexagon is arranged at the junction of the external thread A and the rod body. There are two columns, and the lower ends of the two columns are respectively connected to the tops of one ends of the two bases. There are two quick-connect bolts, and the two quick-connect bolts are respectively rotatably connected to the two half-through grooves by the arranged rod bodies. The two end caps are respectively placed inside the two enlarged diameters, and the two external threads A are respectively screwed into the adjacent two threaded holes A.

[0006] For the quick-connect protective net for bridge construction, the length of the enlarged diameter is greater than the thickness of the end cap, and the end cap can slide and rotate inside the enlarged diameter.

[0007] For the quick-connect protective net used in bridge construction, a sleeve is provided at the top of one end of the base, a cylinder cavity is provided inside the sleeve, and the lower ends of the two columns are respectively inserted into the two cylinder cavities.

[0008] For the quick-connect protective net used in bridge construction, an end cover is provided at the top of the column.

[0009] For the quick-connect protective net used in bridge construction, connecting sleeves are provided on the opposite sides of the upper part of the column, a pipe cavity is provided inside the two connecting sleeves, and the two ends of the inserting rod are respectively sleeved in the adjacent two pipe cavities.

[0010] For the quick-connect protective net used in bridge construction, a perforation is provided at the other end of the base, and the pin passes through the perforation and is nailed into the base surface.

[0011] For the quick-connect protective net used in bridge construction, a triangular support plate is provided between the base and the sleeve.

[0012] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0013] For the quick-connect protective net used in bridge construction of the utility model, by setting the protective net as a support for the column plus a connecting rod and an inserting rod to form an outer frame, the outer frame is connected to the frame body through a quick-connect bolt, a connection structure of the protective net is arranged inside the frame body, and multiple supports can be set to connect multiple connecting rods and inserting rods to form multiple outer frames. The connection between the support, the connecting rod and the inserting rod is simple and fast, achieving the purpose of not only firm installation but also convenient disassembly and transportation; the utility model has the characteristics of simple installation, high stability, convenient disassembly, small occupied space, etc., and has the promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the utility model;

[0015] Figure 2 is Figure 1 an enlarged structural diagram at A in

[0016] Figure 3 is a schematic diagram of the cooperation between the quick-connect bolt and the connection seat of the utility model;

[0017] Figure 4 is a schematic structural diagram of the cooperation between the support and the connecting rod of the utility model.

[0018] Reference numerals in the figure: 1, end cap; 2, column; 3, frame; 4, protective net; 5, insertion rod; 6, quick connector; 7, connecting bolt A; 8, connecting sleeve; 9, lumen; 10, sleeve; 11, connecting bolt B; 12, connecting rod; 13, screw hole A; 14, base; 15, screw hole B; 16, support; 17, diameter expansion; 18, end cap; 19, rod body; 20, external hexagon; 21, semi-through groove; 22, connecting seat; 23, external thread A; 24, triangular support plate; 25, pin; 26, perforation; 27, external thread B; 28, barrel cavity. Detailed implementation

[0019] The present utility model can be more detailedly explained through the following embodiments. The present utility model is not limited to the following embodiments. The purpose of disclosing the present utility model is to protect all changes and improvements within the scope of the present utility model;

[0020] Combined with the attached Figures 1 to 4 The quick-connect protective net for bridge construction described above includes a support 16, a quick connector 6, a column 2, and a frame 3. The support 16 includes a base 14. On the opposite sides of one end of the base 14, connecting bolts B11 are respectively provided. Screw holes B15 are provided in both connecting bolts B11, and the thread directions of the screw holes B15 provided in the two connecting bolts B11 are opposite. There are two supports 16 and they are arranged at intervals. A connecting rod 12 whose two ends are respectively screwed to the two screw holes B15 by the externally provided opposite external threads B27 is provided between the adjacent two connecting bolts B11. Connecting bolts A7 are provided on the opposite sides of the middle part of the column 2. Screw holes A13 are provided in both connecting bolts A7. An end cap 1 is provided at the top of the column 2. Connecting seats 22 are provided on the opposite sides of the frame 3. Semi-through grooves 21 are provided on one side of each of the two connecting seats 22. Diameter expansions 17 are provided at the closed ends of the two semi-through grooves 21. A protective net 4 is provided inside the frame 3. The quick connector 6 includes a rod body 19. An end cap 18 is provided at one end of the rod body 19. An external thread A23 is provided at the other end of the rod body 19. An external hexagon 20 is provided at the junction of the external thread A23 and the rod body 19. There are two columns 2. A sleeve 10 is provided at the top of one end of the base 14. A barrel cavity 28 is provided inside the sleeve 10. The lower ends of the two columns 2 are respectively inserted into the two barrel cavities 28. There are two quick connectors 6. The two quick connectors 6 are respectively rotatably connected to the two semi-through grooves 21 by the provided rod bodies 19. The two end caps 18 are respectively placed inside the two diameter expansions 17. The length of the diameter expansion 17 is greater than the thickness of the end cap 18. The end cap 18 can slide and rotate inside the diameter expansion 17. The two external threads A23 are respectively screwed into the adjacent two screw holes A13. Connecting sleeves 8 are provided on the opposite sides of the upper part of the column 2. Lumen 9 is provided inside the two sleeves 8. The two ends of the insertion rod 5 are respectively sleeved inside the adjacent two lumens 9. A perforation 26 is provided at the other end of the base 14. The pin 25 is nailed into the base surface after passing through the perforation 26. A triangular support plate 24 is provided between the base 14 and the sleeve 10.

[0021] When implementing the quick-connect protective net for bridge construction described in the present utility model, during use, place the two supports 16 at intervals, insert the two columns 2 into the two sleeves 10 respectively, insert the two ends of the insertion rod 5 into the adjacent two connecting sleeves 8 respectively, and screw the two external threads B27 with opposite thread directions at the two ends of the connecting rod 12 and the two screw holes B15 with opposite thread directions adjacent to each other. Since the thread directions at the two ends of the connecting rod 12 are opposite, only by rotating the connecting rod 12 in one direction can the connecting rod 12 be connected or removed. When the present utility model is placed on the muddy ground, the two pins 25 can be passed through the two through holes 26 to fix the two supports 16 to the ground. When the present utility model is placed on the cement ground, heavy objects can be pressed on the other ends of the two bases 14 to fix the two supports 16. Rotate the two quick-connect bolts 6 to be rotatably connected in the two half through grooves 21 respectively by using the provided rod bodies 19, place the two end caps 18 in the two enlarged diameters 17 respectively, align the two external threads A23 with the two adjacent screw holes A13, and use a wrench to hold the two external hexagons 20 and rotate until the two external threads A23 and the two screw holes A13 are screwed together; the disassembly is to operate in the reverse order of the above steps; when multiple protective nets 4 are needed for protection, one support 16, sleeve 10 and column 2 can be omitted from the two present utility models to connect the two present utility models in series.

[0022] The parts not described in detail in the present utility model are prior art.

Claims

1. A quick-connect protective net for bridge construction, characterized by: The invention comprises a support (16), a quick-connect bolt (6), a column (2) and a frame (3), wherein the support (16) comprises a base (14), connecting bolts B (11) are respectively provided on opposite sides of one end of the base (14), screw holes B (15) are provided in the two connecting bolts B (11), and the screw holes B (15) provided in the two connecting bolts B (11) have opposite thread directions, the support (16) is two and spaced apart, a connecting rod (12) is provided between two adjacent connecting bolts B (11), and the connecting rods (12) are respectively provided at two ends thereof and are screwed together by external threads B (27) in opposite directions and the two screw holes B (15), connecting bolts A (7) are respectively provided on opposite sides of the middle part of the column (2), screw holes A (13) are provided in the two connecting bolts A (7), connecting seats (22) are respectively provided on opposite sides of the frame (3), and the two connecting seats (22) are respectively provided with screw holes A (13) and screw holes B (13) are respectively provided in the two connecting bolts A (7), and connecting seats (22) are respectively provided on opposite sides of the frame (3), and the connecting seats (22) are respectively provided with screw holes A (13) and screw holes B (13) are respectively provided in the two connecting seats (22). A half through groove (21) is provided on each side, and an expansion diameter (17) is provided at the closed end of the two half through grooves (21). A protective net (4) is provided in the frame (3). The quick-connect bolt (6) includes a rod body (19), an end cap (18) is provided at one end of the rod body (19), an external thread A (23) is provided at the other end of the rod body (19), and an external hexagon (20) is provided at the junction of the external thread A (23) and the rod body (19). There are two columns (2), and the lower ends of the two columns (2) are respectively connected to the top of one end of the two bases (14). There are two quick-connect bolts (6), and the two quick-connect bolts (6) are respectively rotatably connected in the two half through grooves (21) by using the provided rod body (19), and the end caps (18) are respectively placed in the two expansion diameters (17), and the two external threads A (23) are respectively screwed in the two adjacent screw holes A (13).

2. The quick-connect protection net for bridge construction according to claim 1 is characterized by: The length of the expanded diameter (17) is greater than the thickness of the end cap (18), and the end cap (18) can slide and rotate in the expanded diameter (17).

3. The quick-connect protection net for bridge construction according to claim 1 is characterized by: A sleeve (10) is provided at the top of one end of the base (14), a barrel cavity (28) is provided in the sleeve (10), and the lower ends of the two columns (2) are respectively inserted into the two barrel cavities (28).

4. The quick-connect protection net for bridge construction according to claim 1 is characterized by: An end cover (1) is provided on the top of the column (2).

5. The quick-connect protection net for bridge construction according to claim 1 is characterized by: Connecting sleeves (8) are provided on opposite sides of the upper part of the column (2), and tube cavities (9) are provided in the two connecting sleeves (8). The two ends of the insertion rod (5) are respectively sleeved in two adjacent tube cavities (9).

6. The quick-connect protection net for bridge construction according to claim 1 is characterized by: A through hole (26) is provided at the other end of the base (14), and the pin (25) passes through the through hole (26) and is then nailed into the base surface.

7. The quick-connect protection net for bridge construction according to claim 1 is characterized by: A triangular support plate (24) is provided between the base (14) and the sleeve (10).

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