Angle-variable net rack of building steel structure

Abstract

The utility model discloses an angle-variable net rack of a building steel structure, which belongs to the technical field of steel structure net racks and comprises a support column, a height adjusting device is arranged below the support column, inhaul cable control devices are arranged on two sides of the support column, a pulley is arranged above the support column, an inhaul cable is arranged in the pulley, and the height adjusting device is connected with the inhaul cable control devices. A net rack plate is arranged at one end of the inhaul cable, an angle adjusting mechanism is arranged on one side of the net rack plate, and a supporting device is arranged below the net rack plate; the supporting device is arranged, the net rack plate stretches to drive the sliding sleeve to move upwards, the net rack plate is supported by the supporting rod arranged between the net rack plate and the sliding sleeve, and therefore pressure of the inhaul cable is relieved, and stability of the net rack plate is improved; and the sliding sleeve is fixed through the positioning pin and the positioning hole, so that the sliding sleeve is prevented from sliding down to affect the supporting effect of the supporting rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel structure grids, and in particular relates to a grid with variable angles for building steel structures. Background Art

[0002] The grid is a spatial structure formed by connecting multiple rods through nodes in a certain grid form. The grid has the advantages of spatial force, light weight, high rigidity, and good earthquake resistance. It can be used as the roof of gymnasiums, theaters, exhibition halls, waiting halls, stadium stand awnings, hangars, two-way large column grid structures, workshops, and other buildings.

[0003] Chinese patent announcement number CN214941029U discloses a steel structure grid, including a support column, a first grid plate, a first angle adjustment mechanism, a second grid plate and a second angle adjustment mechanism; the first grid plate, the first angle adjustment mechanism and the second grid plate, the second angle adjustment mechanism are symmetrically arranged relative to the support column; the first grid plate is installed on the upper part of the support column through a first hinge, and the second grid plate is installed on the upper part of the support column through a second hinge. The utility model steel structure grid can adjust the angles of the grid plates on both sides at will, and the operation is convenient and quick, which meets various steel structure grid use situations.

[0004] The above-mentioned patent has the following problems: the grid plate is only fixed by cables, which leads to poor stability of the grid plate; the support columns cannot adjust the grid plate according to the height of the building, which leads to poor practicality of the grid plate. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a grid with variable angles for building steel structures, which has the characteristics of supporting and reinforcing the grid plates and being able to adjust the grid plates according to the height of the building.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a variable-angle grid of a building steel structure, comprising a support column, a height adjustment device is arranged below the support column, a cable control device is arranged on both sides of the support column, a pulley is arranged above the support column, a cable is arranged inside the pulley, a grid plate is arranged at one end of the cable, an angle adjustment mechanism is arranged on one side of the grid plate, and a supporting device is arranged below the grid plate.

[0007] Preferably, the supporting device includes a positioning pin, a sliding sleeve, a movable connecting seat, a support rod, a movable shaft, a positioning hole and a limit ring, wherein a positioning hole is provided on one side of the support column, a sliding sleeve is provided on the surface of the support column, a limit ring is provided below the sliding sleeve, a positioning pin is provided on the surface of the sliding sleeve, movable shafts are provided on both sides of the sliding sleeve, a support rod is provided on one side of the movable shaft, and a movable connecting seat is provided on the other side of the support rod.

[0008] Preferably, there are two groups of support rods fixed between the sliding sleeve and the grid plate, and there are several groups of positioning holes arranged at equal intervals on one side of the support column.

[0009] Preferably, the height adjustment device includes a sleeve, a driving wheel, a rotating rod, a rotating wheel, a base, a lifting screw, a driven wheel, a rotating seat and reinforcing ribs, wherein a sleeve is arranged below the support column, a base is arranged below the sleeve, reinforcing ribs are arranged between the sleeve and the base, a rotating wheel is arranged on one side of the sleeve, a rotating rod is arranged on one side of the rotating wheel, the rotating wheel penetrates the sleeve and is connected to the internal driving wheel, a driven wheel is arranged below the driving wheel, a rotating seat is arranged below the driven wheel, and a lifting screw is arranged above the driven wheel.

[0010] Preferably, the driving wheel is engaged with the driven wheel below, and the lifting screw above the driven wheel penetrates the support column and is connected to the internal thread groove.

[0011] Preferably, the reinforcing ribs have several groups evenly fixed between the sleeve and the base and ground nails are arranged below the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a supporting device, and the grid plate stretches to drive the sliding sleeve to move upward. The support rod set between the grid plate and the sliding sleeve supports the grid plate, thereby reducing the pressure of the cable and improving the stability of the grid plate. When the grid plate is extended to the corresponding angle, the sliding sleeve is fixed by the positioning pin and the positioning hole, thereby preventing the sliding sleeve from sliding down and affecting the supporting effect of the support rod.

[0014] 2. The utility model provides a height adjustment device, and the rotary wheel controls the rotation of the lifting screw in the sleeve. The rotation of the lifting screw drives the upper support column to extend and retract. The support column can be adjusted according to the height of the building, so that the grid plate can be applied to buildings of various heights, thereby improving the practicality of the grid plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the support device of the utility model;

[0017] Figure 3 It is a schematic diagram of the height adjustment device of the utility model;

[0018] Figure 4 It is a cross-sectional view of the height adjustment device of the utility model.

[0019] In the figure: 1. height adjustment device; 11. sleeve; 12. driving wheel; 13. rotating rod; 14. rotating wheel; 15. base; 16. lifting screw; 17. driven wheel; 18. rotating seat; 19. reinforcing rib; 2. cable control device; 3. support column; 4. support device; 41. positioning pin; 42. sliding sleeve; 43. movable connecting seat; 44. support rod; 45. movable shaft; 46. positioning hole; 47. limiting ring; 5. grid plate; 6. angle adjustment mechanism; 7. cable; 8. pulley. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a variable angle grid of a building steel structure, comprising a support column 3, a height adjustment device 1 is arranged below the support column 3, cable control devices 2 are arranged on both sides of the support column 3, a pulley 8 is arranged above the support column 3, a cable 7 is arranged inside the pulley 8, a grid plate 5 is arranged at one end of the cable 7, an angle adjustment mechanism 6 is arranged on one side of the grid plate 5, and a supporting device 4 is arranged below the grid plate 5.

[0023] Specifically, the supporting device 4 includes a positioning pin 41, a sliding sleeve 42, a movable connecting seat 43, a support rod 44, a movable shaft 45, a positioning hole 46 and a limiting ring 47, wherein a positioning hole 46 is provided on one side of the support column 3, a sliding sleeve 42 is provided on the surface of the support column 3, a limiting ring 47 is provided below the sliding sleeve 42, a positioning pin 41 is provided on the surface of the sliding sleeve 42, movable shafts 45 are provided on both sides of the sliding sleeve 42, a support rod 44 is provided on one side of the movable shaft 45, and a movable connecting seat 43 is provided on the other side of the support rod 44.

[0024] By adopting the above technical solution, the grid plate 5 is extended through the support rod 44 to drive the sliding sleeve 42 to move upward. Both ends of the support rod 44 are provided with a movable connecting seat 43 and a movable shaft 45, so as to facilitate the movement of the support rod 44. When the grid plate 5 is extended to the corresponding angle, the positioning pin 41 is fixed in the positioning hole 46 to prevent the sliding sleeve 42 from sliding down, so that the support rod 44 supports the grid plate 5, thereby reducing the pressure of the cable 7 and improving the stability of the grid plate 5.

[0025] Specifically, there are two groups of support rods 44 fixed between the sliding sleeve 42 and the grid plate 5 , and there are several groups of positioning holes 46 arranged at equal intervals on one side of the support column 3 .

[0026] By adopting the above technical solution, two groups of support rods 44 are fixed between the sliding sleeves 42 and the grid plate 5, thereby improving the supporting effect of the support rods 44. There are several groups of positioning holes 46 arranged at equal intervals on one side of the support column 3, thereby facilitating the positioning pins 41 to fix the sliding sleeves 42 of different heights.

[0027] When this embodiment is in use, the grid plate 5 is extended to drive the sliding sleeve 42 to move upward through the support rod 44. Both ends of the support rod 44 are provided with a movable connecting seat 43 and a movable shaft 45, so as to facilitate the movement of the support rod 44. When the grid plate 5 is extended to the corresponding angle, the positioning pin 41 is fixed in the positioning hole 46 to prevent the sliding sleeve 42 from sliding down so that the support rod 44 supports the grid plate 5, thereby reducing the pressure of the cable 7 and improving the stability of the grid plate 5. There are two groups of support rods 44 fixed between the sliding sleeve 42 and the grid plate 5, thereby improving the supporting effect of the support rod 44. There are several groups of positioning holes 46 arranged at equal intervals on one side of the support column 3, so as to facilitate the positioning pin 41 to fix the sliding sleeves 42 of different heights.

[0028] Example 2

[0029] The difference between this embodiment and embodiment 1 is that the height adjustment device 1 includes a sleeve 11, a driving wheel 12, a rotating rod 13, a rotating wheel 14, a base 15, a lifting screw 16, a driven wheel 17, a rotating seat 18 and a reinforcing rib 19, wherein a sleeve 11 is arranged below the support column 3, a base 15 is arranged below the sleeve 11, a reinforcing rib 19 is arranged between the sleeve 11 and the base 15, a rotating wheel 14 is arranged on one side of the sleeve 11, a rotating rod 13 is arranged on one side of the rotating wheel 14, the rotating wheel 14 penetrates the sleeve 11 and is connected with the internal driving wheel 12, a driven wheel 17 is arranged below the driving wheel 12, a rotating seat 18 is arranged below the driven wheel 17, and a lifting screw 16 is arranged above the driven wheel 17.

[0030] By adopting the above technical solution, the base 15 is fixed at a corresponding position, and the reinforcing ribs 19 arranged between the base 15 and the sleeve 11 support the sleeve 11. The rotating wheel 14 on one side of the rotating sleeve 11 drives the driving wheel 12 to rotate through the rotating rod 13, and the driving wheel 12 drives the upper lifting screw 16 to rotate through the driven wheel 17. The rotation of the lifting screw 16 drives the upper support column 3 to extend and retract. The support column 3 can be adjusted according to the height of the building, so that the grid plate 5 can be applied to buildings of various heights, thereby improving the practicality of the grid plate 5.

[0031] Specifically, the driving wheel 12 is engaged with the driven wheel 17 below, and the lifting screw 16 above the driven wheel 17 penetrates the support column 3 and is connected to the internal thread groove.

[0032] By adopting the above technical solution, the driving wheel 12 engages with the driven wheel 17 below, making it convenient for the driving wheel 12 to control the rotation of the lifting screw 16. The lifting screw 16 penetrates the support column 3 and is connected to the internal thread groove, so that the lifting screw 16 can drive the support column 3 to rise and fall.

[0033] Specifically, several groups of reinforcing ribs 19 are evenly fixed between the sleeve 11 and the base 15 , and ground nails are arranged below the base 15 .

[0034] By adopting the above technical solution, several groups of reinforcing ribs 19 are evenly fixed between the sleeve 11 and the base 15, thereby improving the supporting effect of the reinforcing ribs 19. Ground nails are provided under the base 15 to fix the base 15.

[0035] When the present embodiment is used, the base 15 is fixed at a corresponding position, and the reinforcing ribs 19 arranged between the base 15 and the sleeve 11 support the sleeve 11. The rotating wheel 14 on one side of the rotating sleeve 11 drives the driving wheel 12 to rotate through the rotating rod 13, and the driving wheel 12 drives the upper lifting screw 16 to rotate through the driven wheel 17. The rotation of the lifting screw 16 drives the upper support column 3 to extend and retract, so that the support column 3 can be adjusted according to the height of the building, so that the grid plate 5 can be applied to buildings of various heights, thereby improving the practicality of the grid plate 5. The driving wheel 12 is engaged with the driven wheel 17 below, which is convenient for the driving wheel 12 to control the rotation of the lifting screw 16. The lifting screw 16 penetrates the support column 3 and is connected with the internal thread groove, so that the lifting screw 16 can drive the support column 3 to rise and fall, and there are several groups of reinforcing ribs 19 evenly fixed between the sleeve 11 and the base 15, thereby improving the supporting effect of the reinforcing ribs 19, and a ground nail is arranged below the base 15, so that the base 15 can be fixed.

[0036] The structure and use principle of the cable control device 2, the grid plate 5 and the angle adjustment mechanism 6 in the utility model have been disclosed in a steel structure grid disclosed in Chinese Patent Publication No. CN214941029U.

[0037] The working principle and use process of the utility model are as follows: when the utility model is in use, it is used to support the grid plate 5 of the variable angle grid of the building steel structure. When working, the grid plate 5 needs to be supported and fixed. The grid plate 5 is stretched and driven by the support rod 44 to drive the sliding sleeve 42 to move upward. Both ends of the support rod 44 are provided with a movable connecting seat 43 and a movable shaft 45, so as to facilitate the movement of the support rod 44. When the grid plate 5 is stretched to the corresponding angle, the positioning pin 41 is fixed in the positioning hole 46 to prevent the sliding sleeve 42 from sliding down so that the support rod 44 supports the grid plate 5, thereby reducing the pressure of the cable 7 and improving the stability of the grid plate 5. The support rod 44 has two groups fixed between the sliding sleeve 42 and the grid plate 5, thereby improving the supporting effect of the support rod 44. There are several groups of positioning holes 46 arranged at equal intervals on one side of the support column 3, so as to facilitate the positioning pin 41 to fix the sliding sleeve 42 of different heights; when in use, it is used for height adjustment of the variable angle grid of the building steel structure. When working, the support column 3 It is necessary to adjust according to the height of the building, fix the base 15 in the corresponding position, and the reinforcing ribs 19 arranged between the base 15 and the sleeve 11 support the sleeve 11. The rotating wheel 14 on one side of the rotating sleeve 11 drives the driving wheel 12 to rotate through the rotating rod 13, and the driving wheel 12 drives the upper lifting screw 16 to rotate through the driven wheel 17. The rotation of the lifting screw 16 drives the upper support column 3 to extend and retract, and the support column 3 can be adjusted according to the height of the building, so that the grid plate 5 can be applied to buildings of various heights, thereby improving the practicality of the grid plate 5. The driving wheel 12 is engaged with the driven wheel 17 below, which is convenient for the driving wheel 12 to control the rotation of the lifting screw 16. The lifting screw 16 penetrates the support column 3 and is connected with the internal thread groove, so that the lifting screw 16 can drive the support column 3 to rise and fall. There are several groups of reinforcing ribs 19 evenly fixed between the sleeve 11 and the base 15, thereby improving the supporting effect of the reinforcing ribs 19, and ground nails are arranged below the base 15, so that the base 15 can be fixed.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building steel structure with a variable angle grid, comprising support columns, characterized in that: A height adjustment device is provided below the support column, cable control devices are provided on both sides of the support column, a pulley is provided above the support column, a cable is provided inside the pulley, a grid plate is provided at one end of the cable, an angle adjustment mechanism is provided on one side of the grid plate, and a support device is provided below the grid plate; The supporting device includes a positioning pin, a sliding sleeve, a movable connecting seat, a support rod, a movable shaft, a positioning hole and a limit ring, wherein a positioning hole is provided on one side of the support column, a sliding sleeve is provided on the surface of the support column, a limit ring is provided below the sliding sleeve, a positioning pin is provided on the surface of the sliding sleeve, movable shafts are provided on both sides of the sliding sleeve, a support rod is provided on one side of the movable shaft, and a movable connecting seat is provided on the other side of the support rod.

2. The variable angle grid of a building steel structure according to claim 1, characterized in that: The support rods are provided in two groups and fixed between the sliding sleeve and the grid plate, and the positioning holes are provided in several groups and arranged at equal intervals on one side of the support column.

3. The variable angle grid of a building steel structure according to claim 1, characterized in that: The height adjustment device includes a sleeve, a driving wheel, a rotating rod, a rotating wheel, a base, a lifting screw, a driven wheel, a rotating seat and reinforcing ribs, wherein a sleeve is arranged below the support column, a base is arranged below the sleeve, reinforcing ribs are arranged between the sleeve and the base, a rotating wheel is arranged on one side of the sleeve, a rotating rod is arranged on one side of the rotating wheel, the rotating wheel penetrates the sleeve and is connected with the driving wheel inside, a driven wheel is arranged below the driving wheel, a rotating seat is arranged below the driven wheel, and a lifting screw is arranged above the driven wheel.

4. The variable angle grid of a building steel structure according to claim 3 is characterized by: The driving wheel is engaged with the driven wheel below, and the lifting screw rod above the driven wheel penetrates the supporting column and is connected with the internal thread groove.

5. The variable angle grid of a building steel structure according to claim 3 is characterized by: The reinforcing ribs are arranged in several groups and are evenly fixed between the sleeve and the base, and ground nails are arranged below the base.

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