Prefabricated building steel structure

Abstract

The utility model relates to the technical field of steel structures, in particular to a prefabricated building steel structure which comprises stand columns and a cross beam, the number of the stand columns is two, the two stand columns are both sleeved with sliding seats, sliding grooves are formed in the opposite side walls of the two stand columns, sliding blocks matched with the sliding grooves are fixed in the two sliding seats, threaded columns are arranged in the two sliding grooves, and the threaded columns are connected with the cross beam. Bearings are fixed to the two threaded columns correspondingly, screw holes matched with the threaded columns are formed in the two sliding blocks correspondingly, first bevel gears are fixed to the bottom ends of the two threaded columns correspondingly, grooves are formed in the opposite side walls of the two stand columns correspondingly, second bevel gears matched with the first bevel gears are arranged in the two grooves correspondingly, and transverse rods are fixed to the interiors of the two second bevel gears correspondingly. Hand wheels are fixed to the opposite ends of the two cross rods, and bearing seats are fixed to the two cross rods; the wheel is held and shaken by hand, the sliding seat vertically moves under the cooperation of the sliding block and the sliding groove, the height of the sliding seat and the cross beam is conveniently adjusted, and the sliding seat and the cross beam can be conveniently placed in place.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a prefabricated building steel structure. Background Art

[0002] Steel structure is one of the main types of building structures. Steel structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates. In steel structures, welds, bolts or rivets are used to connect the components or parts. During the construction of steel structures, it is generally necessary to use lifting equipment to lift and install the components. When the construction site is small or lacks lifting equipment, it will affect the installation of the components of the steel structure. Therefore, a prefabricated building steel structure is proposed to facilitate the installation of components. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a prefabricated building steel structure.

[0004] The two wheels are connected with each other, and the two guide wheels are connected with each other with a toothed wheel, and the two guide wheels are connected with each other with a toothed wheel.

[0005] By adopting the above technical solution, the handwheel is held and shaken. When the handwheel rotates, the cross bar is driven to rotate, and the second bevel gear rotates accordingly. When the second bevel gear rotates, it drives the first bevel gear to rotate, and the threaded column rotates with the first bevel gear. With the cooperation of the slider and the slide groove, the slide seat moves vertically, which is convenient for adjusting the height of the slide seat and the cross beam, and is conducive to the positioning of the slide seat and the cross beam without the need for lifting equipment.

[0006] Specifically, both sides of the crossbeam are provided with limiting bolts, the two slide seats are provided with screw holes adapted to the limiting bolts, and the side walls of the two columns are provided with a plurality of slots adapted to the limiting bolts.

[0007] By adopting the above technical solution, after the slide seat is in place, the end of the limit bolt is screwed into the slot of the side wall of the column, which can improve the stability and load-bearing capacity of the slide seat.

[0008] Specifically, a plurality of connecting bolts are arranged between the two upright posts, and a plurality of screw holes adapted to the connecting bolts are opened at the top end of the crossbeam.

[0009] By adopting the above technical solution, the connecting bolts cooperate with the screw holes on the crossbeam, making it convenient to connect other components to the crossbeam.

[0010] Specifically, a decorative cover is provided in each of the two grooves, a plurality of plug posts are fixed to the opposite side walls of the two decorative covers, and a plurality of slots adapted to the plug posts are provided on the opposite side walls of the two uprights.

[0011] By adopting the above technical solution, the decorative cover can shield and protect the handwheel, the bearing seat, the first bevel gear and the second bevel gear in the groove, and the insertion column cooperates with the slot of the side wall of the column to facilitate the installation or removal of the decorative cover.

[0012] Specifically, two plug blocks are fixed to the bottom end of the crossbeam, and slots adapted to the plug blocks are provided at the top ends of the two slide seats. Two clamping blocks and two locking bolts are provided under the crossbeam, and slots for inserting the ends of the clamping blocks are provided on the two plug blocks and the slide seats, and screw holes adapted to the locking bolts are provided on the two slide seats and the clamping blocks.

[0013] By adopting the above technical solution, the insert block, the clamping block and the locking bolt cooperate with each other, which facilitates the fixation and subsequent disassembly of the crossbeam.

[0014] Specifically, a base is fixed to the bottom ends of the two columns, a bottom plate is fixed to the bottom ends of the two bases, and through holes are opened at the four corners of the two bottom plates.

[0015] By adopting the above technical solution, during installation, the bottom end of the bolt can be passed through the through hole on the bottom plate to fix the bottom plate to the ground or other structures, thereby improving the stability of the column.

[0016] Beneficial effects of the utility model:

[0017] (1) The utility model describes a prefabricated building steel structure. When the handwheel is rotated, the cross bar is driven to rotate, and the second bevel gear rotates accordingly. When the second bevel gear rotates, the first bevel gear is driven to rotate, and the threaded column rotates with the first bevel gear. With the cooperation of the slider and the slide groove, the slide seat moves vertically, which is convenient for adjusting the height of the slide seat and the cross beam, and is conducive to the positioning of the slide seat and the cross beam without the need for lifting equipment.

[0018] (2) The prefabricated building steel structure described in the utility model, wherein the insert block, the clamping block cooperate with the locking bolt, thereby facilitating the fixation and subsequent disassembly of the cross beam, and the connecting bolt cooperates with the screw hole on the cross beam, thereby facilitating the connection of other components with the cross beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of the column of the utility model;

[0022] Figure 3 For the utility model Figure 2 A magnified view of the structure in the middle.

[0023] In the figure: 1. column; 2. slide seat; 3. limit bolt; 4. cross beam; 5. connecting bolt; 6. decorative cover; 7. base; 8. bottom plate; 9. slide block; 10. threaded column; 11. bearing; 12. plug block; 13. clamping block; 14. locking bolt; 15. first bevel gear; 16. cross bar; 17. second bevel gear; 18. bearing seat; 19. hand wheel; 20. plug column. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] For the convenience of installation, as an embodiment of the utility model, Figures 1 to 3 As shown, a prefabricated building steel structure described in the utility model includes a column 1 and a crossbeam 4, wherein two columns 1 are provided, and the crossbeam 4 is provided between the two columns 1. The two columns 1 are both sleeved with a slide seat 2, and the two slide seats 2 can support the crossbeam 4. The side walls of the two columns 1 facing each other are both constructed with a slide groove, and a slider 9 adapted to the slide groove is welded and fixed in the two slide seats 2. The two slide grooves are both provided with a threaded column 10, and a bearing 11 is welded and fixed on the two threaded columns 10. The outer ring of the bearing 11 is welded to the column 1, and the top of one of the threaded columns 10 is welded to one of the columns 1 Rotationally connected, the top end of the other threaded column 10 is rotationally connected to the other column 1, the two sliders 9 are provided with screw holes adapted to the threaded column 10, the bottom ends of the two threaded columns 10 are welded and fixed with first bevel gears 15, the facing side walls of the two columns 1 are provided with grooves, the two grooves are provided with second bevel gears 17 adapted to the first bevel gear 15, the two second bevel gears 17 are welded and fixed with cross bars 16, the facing ends of the two cross bars 16 are welded and fixed with hand wheels 19, the two cross bars 16 are fixed with bearing seats 18, and the bearing seats 18 are connected to the column 1 by bolts.

[0026] When in use, the handwheel 19 is held and shaken. When the handwheel 19 rotates, the cross bar 16 is driven to rotate, and the second bevel gear 17 rotates accordingly. When the second bevel gear 17 rotates, it drives the first bevel gear 15 to rotate, and the threaded column 10 rotates with the first bevel gear 15. With the cooperation of the slider 9 and the slide groove, the slide 2 moves vertically, which is convenient for adjusting the height of the slide 2 and the cross beam 4, and is conducive to the positioning of the slide 2 and the cross beam 4 without the need for lifting equipment.

[0027] In order to improve the stability and load-bearing capacity of the slide 2, for example, Figure 1 As shown, limiting bolts 3 are provided on both sides of the crossbeam 4, screw holes adapted to the limiting bolts 3 are opened on the two slide seats 2, and multiple slots adapted to the limiting bolts 3 are opened on the side walls of the two columns 1.

[0028] When in use, after the slide seat 2 is in place, the end of the limit bolt 3 is screwed into the slot of the side wall of the column 1, which can improve the stability and load-bearing capacity of the slide seat 2.

[0029] In order to facilitate fixing other components on the crossbeam 4, for example, Figure 1 As shown, a plurality of connecting bolts 5 are provided between the two upright posts 1 , and a plurality of screw holes adapted to the connecting bolts 5 are provided at the top end of the crossbeam 4 .

[0030] When in use, the connecting bolts 5 cooperate with the screw holes on the crossbeam 4 to facilitate connecting other components to the crossbeam 4 .

[0031] In order to shield and protect the hand wheel 19, the first bevel gear 15, the second bevel gear 17, and the bearing seat 18 in the groove, for example, Figure 3 As shown, a decorative cover 6 is provided in each of the two grooves, a plurality of plug posts 20 are welded and fixed to the opposite side walls of the two decorative covers 6 , and a plurality of slots adapted to the plug posts 20 are provided on the opposite side walls of the two uprights 1 .

[0032] When in use, the decorative cover 6 can shield and protect the hand wheel 19, the bearing seat 18, the first bevel gear 15 and the second bevel gear 17 in the groove, and the plug post 20 cooperates with the slot on the side wall of the column 1 to facilitate the installation or removal of the decorative cover 6.

[0033] In order to facilitate the fixing or removal of the crossbeam 4, for example, Figure 2 As shown, two plug blocks 12 are welded and fixed to the bottom end of the crossbeam 4, and the top ends of the two slide seats 2 are provided with slots adapted to the plug blocks 12. Two clamping blocks 13 and two locking bolts 14 are provided below the crossbeam 4. The two plug blocks 12 and the slide seats 2 are provided with slots for inserting the ends of the clamping blocks 13, and the two slide seats 2 and the clamping blocks 13 are provided with screw holes adapted to the locking bolts 14.

[0034] When in use, insert the end of the clamping block 13 into the inserting block 12 and tighten the locking bolt 14 to facilitate the fixation of the inserting block 12 and the crossbeam 4. Loosen the locking bolt 14 and pull out the clamping block 13 to release the fixation of the inserting block 12.

[0035] For ease of installation, for example, Figure 1 As shown, a base 7 is welded and fixed to the bottom ends of the two uprights 1 , a bottom plate 8 is welded and fixed to the bottom ends of the two bases 7 , and through holes are opened at the four corners of the two bottom plates 8 .

[0036] During installation, the bottom end of the bolt is passed through the through hole on the bottom plate 8 to fix the bottom plate 8 on the ground or other structures, thereby improving the stability of the column 1.

[0037] When the utility model is used, the bottom end of the bolt is passed through the through hole on the bottom plate 8 to fix the bottom plate 8 on the ground or other structures, thereby improving the stability of the column 1;

[0038] The hand wheel 19 is held and shaken. When the hand wheel 19 rotates, the cross bar 16 is driven to rotate, and the second bevel gear 17 rotates accordingly. When the second bevel gear 17 rotates, the first bevel gear 15 is driven to rotate, and the threaded column 10 rotates with the first bevel gear 15. Under the cooperation of the slider 9 and the slide groove, the slide 2 moves vertically, which is convenient for adjusting the height of the slide 2 and the cross beam 4, and is conducive to the placement of the slide 2 and the cross beam 4 without the need for lifting equipment;

[0039] After the slide 2 is in place, the end of the limit bolt 3 is screwed into the slot of the side wall of the column 1 to improve the stability and load-bearing capacity of the slide 2;

[0040] After the end of the clamping block 13 is inserted into the inserting block 12 , the locking bolt 14 is tightened to facilitate the fixation of the inserting block 12 and the crossbeam 4 . The fixation of the inserting block 12 can be released by loosening the locking bolt 14 and pulling out the clamping block 13 .

[0041] The above shows and describes the basic principles, 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 descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A prefabricated building steel structure, characterized in that: The invention comprises a column (1) and a crossbeam (4), wherein the columns (1) are provided with two, the crossbeam (4) is provided between the two columns (1), the two columns (1) are both sleeved with a slide seat (2), the side walls of the two columns (1) facing each other are both configured with a slide groove, the two slide seats (2) are both fixed with a slider (9) adapted to the slide groove, the two slide grooves are both provided with a threaded column (10), the two threaded columns (10) are both fixed with a bearing (11), the top end of one of the threaded columns (10) is rotatably connected to one of the columns (1), and the top end of the other threaded column (10) is rotatably connected to the other column (1). The ends of the two sliders (9) are rotatably connected to another column (1), the two sliders (9) are provided with screw holes adapted to the threaded column (10), the bottom ends of the two threaded columns (10) are fixed with first bevel gears (15), the side walls of the two columns (1) facing each other are provided with grooves, the two grooves are provided with second bevel gears (17) adapted to the first bevel gear (15), the two second bevel gears (17) are fixed with cross bars (16), the ends of the two cross bars (16) facing each other are fixed with hand wheels (19), and the two cross bars (16) are fixed with bearing seats (18).

2. A prefabricated building steel structure according to claim 1, characterized in that: Limit bolts (3) are provided on both sides of the crossbeam (4), screw holes adapted to the limit bolts (3) are provided on the two slide seats (2), and a plurality of slots adapted to the limit bolts (3) are provided on the side walls of the two columns (1).

3. The prefabricated building steel structure according to claim 1, characterized in that: A plurality of connecting bolts (5) are arranged between the two upright posts (1), and a plurality of screw holes adapted to the connecting bolts (5) are opened at the top end of the crossbeam (4).

4. The prefabricated building steel structure according to claim 1, characterized in that: A decorative cover (6) is provided in each of the two grooves, a plurality of plug posts (20) are fixed to the opposite side walls of the two decorative covers (6), and a plurality of slots adapted to the plug posts (20) are provided on the opposite side walls of the two uprights (1).

5. The prefabricated building steel structure according to claim 1, characterized in that: Two plug blocks (12) are fixed at the bottom end of the cross beam (4), and the top ends of the two slide seats (2) are provided with slots adapted to the plug blocks (12). Two clamping blocks (13) and two locking bolts (14) are provided below the cross beam (4), and slots for inserting the ends of the clamping blocks (13) are provided on the two plug blocks (12) and the slide seats (2), and screw holes adapted to the locking bolts (14) are provided on the two slide seats (2) and the clamping blocks (13).

6. The prefabricated building steel structure according to claim 1, characterized in that: A base (7) is fixed to the bottom ends of the two uprights (1), a bottom plate (8) is fixed to the bottom ends of the two bases (7), and through holes are provided at the four corners of the two bottom plates (8).

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