Tower crane underground embedded structure with high stability and construction method thereof

Abstract

The invention relates to the technical field of building construction, in particular to a high-stability tower crane underground embedded structure and a construction method thereof.The high-stability tower crane underground embedded structure comprises a reinforcing main column, a cover plate is fixedly mounted at the upper end of the reinforcing main column, a bottom plate is fixedly mounted at the lower end of the reinforcing main column, and sleeve frames are fixedly mounted at the left end and the right end of the cover plate; according to different sizes of underground pre-buried foundation pits of different tower cranes, a movable plate in a sleeve frame can be pulled, the movable plate is fixed through a limiting part, a supporting column is fixed to the lower end of a connecting block through a fastening bolt, and further reinforcement is conducted through a reinforcing main column connected with a cover plate; the overall firmness and stability after the tower crane underground embedded structure is installed are greatly improved, in the matched reinforcing steel bar fixing process, longitudinal reinforcing steel bars and transverse reinforcing steel bars can be fixed in a penetrating mode at the same time according to different structure requirements, the adaptability between the underground embedded structure and the reinforcing steel bars is greatly improved, and the stability of a tower crane underground base layer is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to an underground pre-buried structure of a tower crane with strong stability and a construction method thereof. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites, also known as tower crane. It is connected in sections, referred to as standard sections, and is used to lift raw materials for construction such as steel bars, wooden slats, concrete, steel pipes, etc. Tower crane is an indispensable equipment on construction sites.

[0003] The function of the tower crane tip is to bear the upper load transmitted by the boom rope and the balance arm rope, and transmit it directly to the tower structure through the turntable through the structural components of the rotating tower, turntable, and bearing. Before installation, check whether the roadbed and track laying meet the requirements, bury the ground anchor, use the underground pre-buried structure of the tower crane and the steel bar to mix, and build the underground pre-buried foundation of the tower crane. According to the direction of the tower rotation and lifting, the total height of the tower body, etc., determine the position of the ground anchor. The pre-buried foundation of the tower crane and the construction of the foundation are the basis for ensuring the normal operation of the tower crane, and are crucial to the overall stability of the tower crane.

[0004] However, the existing pre-buried structure of the tower crane foundation is generally buried through a bracket, steel bars and concrete, and a tower crane foundation plate is installed on the upper side of the bracket. However, the buried bracket structure is fixed, has low adaptability to the steel bars, is difficult to position and fix, cannot be connected to each other, and has poor overall stability. Therefore, the present invention proposes a tower crane underground pre-buried structure with strong stability and a construction method thereof to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an underground pre-buried structure of a tower crane with strong stability and a construction method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an underground pre-buried structure of a tower crane with strong stability, comprising: a reinforced main column, a cover plate is fixedly installed on the upper end of the reinforced main column, a bottom plate is fixedly installed on the lower end of the reinforced main column, sleeve frames are fixedly installed on both left and right ends of the cover plate, a movable plate is slidably connected in the sleeve frame through a limiting component, and a side plate is fixedly installed on the outer end of the movable plate:

[0007] The left and right ends of the side panels are slidably connected with connecting blocks and fixedly connected by adjusting bolts. The upper end of the connecting block is fixedly installed with a basic fixing sleeve block, and the lower end of the connecting block is fixedly installed with a supporting column by fastening bolts. Strip plates are fixedly installed on the left and right sides of the outer ends of the supporting columns, and a number of connecting holes are evenly opened on the side walls of the strip plates.

[0008] Preferably, fixing holes are provided at the four ends of the bottom plate, a sliding groove is provided at one end of the sleeve frame away from the cover plate, and one end of the movable plate is slidably inserted into the sliding groove.

[0009] Preferably, the limiting component includes a strip groove, a rack and a threaded sleeve, the strip groove is formed on the inner wall at one end of the slide groove, the rack is fixedly mounted on the side wall at one end of the movable plate, and the rack is located in the strip groove, the threaded sleeve is fixedly mounted on the side wall at one end of the slide groove, and the threaded sleeve is connected to the inner end of the strip groove.

[0010] Preferably, the threaded sleeve is threadedly connected to a hand bolt, one end of which is inserted into the strip groove and rotatably connected to a toothed plate through a bearing, the upper and lower ends of the toothed plate are slidably connected to the inner walls of the upper and lower ends of the strip groove, and the toothed plate and the rack can be driven to engage with each other by rotating the hand bolt.

[0011] Preferably, threaded holes are provided on both the front and rear sides of the outer ends of the side plates, a sleeve cavity is provided at the lower end of the connecting block, a sliding hole is provided at the upper end of the connecting block, and circular holes are provided at both the upper and lower ends of the connecting block, and the inner ends of the two circular holes are respectively connected to the sleeve cavity or the sliding hole.

[0012] Preferably, the sliding hole is slidably sleeved on the outer wall of the side plate, wherein one of the circular holes can be communicated with the threaded hole one, and one end of the adjusting bolt passes through the circular hole and is threadedly connected with the inner wall of the threaded hole one.

[0013] Preferably, a second threaded hole is opened at the upper end of the support column, the upper end of the support column is slidably inserted into the sleeve cavity, another round hole is connected to the second threaded hole, and one end of the fastening bolt passes through the round hole and is threadedly connected to the inner wall of the second threaded hole.

[0014] Preferably, the two strip plates at the outer end of each of the support columns are vertically arranged, and the strip plates are located at the lower end of the connecting block.

[0015] Preferably, a cavity is opened at the upper end of the cover plate, and a plurality of springs are evenly fixedly installed in the cavity. Frame plates are fixedly installed on the left and right sides of the upper end of the cover plate. An H-shaped movable block is slidably connected in the cavity, and an H-shaped movable block is clamped and installed between the spring ring and the frame plate. A rubber block is fixedly installed on the upper end of the H-shaped movable block.

[0016] A construction method for a tower crane underground pre-buried structure with strong stability specifically comprises the following steps:

[0017] S1. When in use, use bolts to penetrate the fixing holes on the surface of the bottom plate to fix the reinforced main column. According to the installation requirements, pull the moving plate inside the sleeve frame and fix it with the limiting components;

[0018] S2. Slide the connecting block on the surface of the side plate and fix it with adjusting bolts. Adjust the position of the connecting block as needed, insert the support column into the sleeve cavity and fix it with tightening bolts.

[0019] S3. According to the requirements of steel bar installation, the steel bars are passed through the connection holes on the strip plates to reinforce the support columns;

[0020] S4. Then, a foundation fixing sleeve block is fixedly connected to the upper surface of the connecting block, and then a foundation fixing plate is installed on the upper end of the foundation fixing sleeve block to facilitate the subsequent installation of the tower crane.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. According to the different sizes of underground pre-buried pits of different tower cranes, the movable plate inside the sleeve frame can be pulled, and the movable plate can be fixed by the limiting components, and the supporting column can be fixed to the lower end of the connecting block by fastening bolts, and further reinforced by the reinforced main column connected by the cover plate, which greatly improves the overall firmness and stability of the underground pre-buried structure of the tower crane after installation;

[0023] 2. In the process of fixing the steel bars, the longitudinal and transverse steel bars can be fixed at the same time according to different structural requirements, which greatly improves the adaptability between the underground pre-buried structure and the steel bars, and further improves the stability of the underground base of the tower crane;

[0024] 3. The device can be disassembled left and right through the movable plate inside the frame, which is convenient for construction, transportation and carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the connection between the side panels and the support columns of the present invention;

[0027] Figure 3 This is a schematic diagram of the support column, side plate and connection block of the present invention;

[0028] Figure 4 This is a schematic diagram of the connection between the sleeve frame, the movable plate and the side plate of the present invention;

[0029] Figure 5 This is a schematic diagram of the sleeve frame and the movable plate of the present invention;

[0030] Figure 6 This is a schematic diagram of the connection between the support column and the strip plate of the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the buffer component of the present invention.

[0032] In the figure: 1. Reinforced main column; 2. Bottom plate; 3. Fixing hole; 4. Cover plate; 5. Frame; 6. Slide groove; 7. Strip groove; 8. Threaded sleeve; 9. Tightening bolt; 10. Tooth plate; 11. Moving plate; 12. Rack; 13. Side plate; 14. Threaded hole one; 15. Connecting block; 16. Casing cavity; 17. Slide hole; 18. Round hole; 19. Fastening bolt; 20. Foundation fixing sleeve block; 21. Support column; 22. Threaded hole two; 23. Adjusting bolt; 24. Strip plate; 25. Connecting hole; 26. Rebar; 27. Cavity; 28. Spring; 29. ​​Frame plate; 30. Rubber block; 31. H-shaped movable block. DETAILED DESCRIPTION

[0033] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit 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.

[0034] See also Figures 1 to 6 The present invention provides a technical solution: an underground pre-buried structure of a tower crane with strong stability, comprising: a reinforced main column 1, a cover plate 4 is fixedly installed on the upper end of the reinforced main column 1, a bottom plate 2 is fixedly installed on the lower end of the reinforced main column 1, and fixing holes 3 are opened at four ends of the bottom plate 2. When in use, bolts are used to penetrate the fixing holes 3 on the surface of the bottom plate 2 to fix the reinforced main column 1, and sleeve frames 5 are fixedly installed on both left and right ends of the cover plate 4. A movable plate 11 is slidably connected in the sleeve frame 5 through a limiting component, and a side plate 13 is fixedly installed on the outer end of the movable plate 11. The side plate 13 and the movable plate 11 are vertically connected, and a sliding groove 6 is opened at one end of the sleeve frame 5 away from the cover plate 4. One end of the movable plate 11 is slidably inserted into the sliding groove 6, so that the movable plate 11 can move in the sleeve frame 5, thereby changing the position of the movable plate 11.

[0035] The limiting component includes a strip groove 7, a rack 12 and a threaded sleeve 8. The strip groove 7 is formed on the inner wall of one end of the slide groove 6. The rack 12 is fixedly mounted on the side wall of one end of the moving plate 11, and the rack 12 is located in the strip groove 7. When the moving plate 11 moves in the sleeve frame 5, the rack 12 moves synchronously in the strip groove 7. The threaded sleeve 8 is fixedly mounted on the side wall of one end of the slide groove 6, and the threaded sleeve 8 is connected to the inner end of the strip groove 7. The threaded sleeve 8 is connected to a hand screw bolt 9 through the inner thread. One end of the hand screw bolt 9 is inserted into the strip groove 7 and is rotatably connected to a toothed plate 10 through a bearing. The upper and lower ends of the toothed plate 10 The toothed plate 10 and the rack 12 are slidably connected to the inner walls of the upper and lower ends of the strip groove 7. By turning the hand-tightening bolt 9, the toothed plate 10 and the rack 12 can be driven to engage with each other. When the toothed plate 10 and the rack 12 are engaged, the movable plate 11 can be fixed. When it is necessary to drive the movable plate 11 to move, the hand-tightening bolt 9 is reversed, and the hand-tightening bolt 9 drives the toothed plate 10 to move in the strip groove 7, so that the toothed plate 10 and the rack 12 are separated, and the movable plate 11 can be pulled to drive the side plate 13 to move. After the side plate 13 is moved to a suitable position, the hand-tightening bolt 9 is turned again to drive the toothed plate 10 and engage with the rack 12, and the movable plate 11 is fixed again.

[0036] The outer end of the side plate 13 is provided with threaded holes 14 on both sides, the lower end of the connecting block 15 is provided with a sleeve cavity 16, the upper end of the connecting block 15 is provided with a sliding hole 17, and the upper and lower ends of the connecting block 15 are provided with circular holes 18. The inner ends of the two circular holes 18 are respectively connected to the sleeve cavity 16 or the sliding hole 17. The left and right ends of the side plate 13 are slidably connected with the connecting block 15, and the connecting block 15 is slidably connected to the outer wall of the side plate 13 through the sliding hole 17 and is fixedly connected by adjusting bolts 23. The sliding hole 17 is slidably sleeved on the outer wall of the side plate 13, one of the circular holes 18 can be connected with the threaded hole 14, one end of the adjusting bolt 23 passes through the circular hole 18 and is threadedly connected to the inner wall of the threaded hole 14, so that the connecting block 15 can be fixed. When the position of the connecting block 15 needs to be adjusted, the connecting block 15 is slid on the side plate 13. After sliding to a suitable position, the connecting block 15 is fixed again by the adjusting bolt 23.

[0037] A basic fixing sleeve block 20 is fixedly installed on the upper end of the connecting block 15, and a supporting column 21 is fixedly installed on the lower end of the connecting block 15 by a fastening bolt 19. A second threaded hole 22 is provided at the upper end of the supporting column 21, and the upper end of the supporting column 21 is slidably inserted into the sleeve cavity 16, and another circular hole 18 is connected to the second threaded hole 22. One end of the fastening bolt 19 passes through the circular hole 18 and is threadedly connected to the inner wall of the second threaded hole 22 to fix the supporting column 21 to the lower end of the connecting block 15. Strip plates 24 are fixedly installed on the left and right sides of the outer end of the supporting column 21, and a plurality of connecting holes 25 are evenly provided on the side walls of the strip plates 24. The two strip plates 24 at the outer ends of each supporting column 21 are vertically arranged, and the strip plates 24 are located at the lower end of the connecting block 15. Steel bars 26 can be inserted into the connecting holes 25 on the strip plates 24 as needed, so that the steel bars 26 are crisscrossed on the supporting columns 21.

[0038] A construction method for a tower crane underground pre-buried structure with strong stability specifically comprises the following steps:

[0039] S1. When in use, use bolts to penetrate the fixing holes 3 on the surface of the bottom plate 2 to fix the reinforced main column 1. According to the installation requirements, pull the moving plate 11 inside the sleeve frame 5 and fix it with a limiting component;

[0040] S2. Slidingly sleeve the connecting block 15 on the surface of the side plate 13 and fix it with the adjusting bolts 23. Adjust the position of the connecting block 15 as needed, and then insert the supporting column 21 into the sleeve cavity 16 and fix it with the tightening bolts 19;

[0041] S3. According to the requirements for installing the steel bars 26, pass the steel bars 26 through the connection holes 25 on the strip plate 24 to reinforce the support column 21;

[0042] S4. Then, the foundation fixing sleeve block 20 is fixedly connected to the upper surface of the connecting block 15, and then the foundation fixing plate is installed on the upper end of the foundation fixing sleeve block 20 to facilitate the subsequent installation of the tower crane.

[0043] See also Figure 7 In some embodiments, a cavity 27 is opened at the upper end of the cover plate 4, and a plurality of springs 28 are evenly fixedly installed in the cavity 27. Frame plates 29 are fixedly installed on both sides of the upper end of the cover plate 4. An H-shaped movable block 31 is slidably connected in the cavity 27. The H-shaped movable block 31 is clamped and installed between the spring ring 28 and the frame plate 29. A rubber block 30 is fixedly installed on the upper end of the H-shaped movable block 31. More specifically, during the installation process, the spring ring 28 can be used to reduce the vibration of the upper and lower sides of the H-shaped movable block 31, thereby further improving the stability of the device.

[0044] When the device is working, when in use, the bolts are passed through the fixing holes 3 on the surface of the bottom plate 2 to fix the reinforced main column 1. According to the installation requirements, the movable plate 11 inside the sleeve frame 5 is pulled, and the hand-tightening bolts 9 are reversed. The hand-tightening bolts 9 drive the toothed plate 10 to move in the strip groove 7, so that the toothed plate 10 and the rack 12 are separated, and the movable plate 11 can be pulled to drive the side plate 13 to move. After the side plate 13 is moved to a suitable position, the hand-tightening bolts 9 are turned again to drive the toothed plate 10 and engage with the rack 12, and the movable plate 11 is fixed again, so that the side plate is adjusted. 13, and then slide the connecting block 15 on the surface of the side plate 13. After moving the connecting block 15 to the appropriate position, fix it with the adjusting bolts 23, and then insert the support column 21 into the sleeve cavity 16 and fix it with the tightening bolts 19. According to the requirements of the installation of the steel bars 26, pass the steel bars 26 through the connecting holes 25 on the strip plate 24 to reinforce the support column 21. After that, fix the foundation fixing sleeve block 20 on the upper surface of the connecting block 15, and then install the foundation fixing plate on the upper end of the foundation fixing sleeve block 20 to facilitate the subsequent installation of the tower crane.

[0045] 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 tower crane underground pre-buried structure with strong stability, comprising: A reinforced main column (1), characterized in that: a cover plate (4) is fixedly mounted on the upper end of the reinforced main column (1), a bottom plate (2) is fixedly mounted on the lower end of the reinforced main column (1), sleeve frames (5) are fixedly mounted on both left and right ends of the cover plate (4), a movable plate (11) is slidably connected in the sleeve frame (5) via a limiting component, and a side plate (13) is fixedly mounted on the outer end of the movable plate (11): The left and right ends of the side plate (13) are slidably connected with a connecting block (15) and fixedly connected by an adjusting bolt (23); the upper end of the connecting block (15) is fixedly mounted with a basic fixing sleeve block (20); the lower end of the connecting block (15) is fixedly mounted with a supporting column (21) by a fastening bolt (19); the outer ends of the supporting columns (21) are fixedly mounted with strip plates (24) on both left and right sides; and a plurality of connecting holes (25) are evenly opened on the side walls of the strip plates (24).

2. According to claim 1, the underground pre-buried structure of a tower crane with strong stability is characterized by: The four ends of the bottom plate (2) are all provided with fixing holes (3), the end of the sleeve frame (5) away from the cover plate (4) is provided with a sliding groove (6), and one end of the movable plate (11) is slidably inserted into the sliding groove (6).

3. The underground pre-buried structure of a tower crane with strong stability according to claim 1 is characterized in that: The limiting component comprises a strip groove (7), a rack (12) and a threaded sleeve (8); the strip groove (7) is formed on the inner wall at one end of the slide groove (6); the rack (12) is fixedly mounted on the side wall at one end of the movable plate (11), and the rack (12) is located in the strip groove (7); the threaded sleeve (8) is fixedly mounted on the side wall at one end of the slide groove (6), and the inner end of the threaded sleeve (8) is communicated with the strip groove (7).

4. The underground pre-buried structure of a tower crane with strong stability according to claim 3 is characterized in that: The threaded sleeve (8) is internally threadedly connected with a hand-tightening bolt (9), one end of which is inserted into the strip groove (7) and is rotatably connected with a toothed plate (10) via a bearing, the upper and lower ends of the toothed plate (10) being slidably connected to the inner walls of the upper and lower ends of the strip groove (7), and the toothed plate (10) and the rack (12) can be driven to engage with each other by rotating the hand-tightening bolt (9).

5. The underground pre-buried structure of a tower crane with strong stability according to claim 1 is characterized in that: The outer ends of the side plates (13) are provided with threaded holes (14) at both the front and rear sides, the lower end of the connecting block (15) is provided with a sleeve cavity (16), the upper end of the connecting block (15) is provided with a sliding hole (17), and the upper and lower ends of the connecting block (15) are provided with circular holes (18), and the inner ends of the two circular holes (18) are respectively connected to the sleeve cavity (16) or the sliding hole (17).

6. The underground pre-buried structure of a tower crane with strong stability according to claim 1 is characterized by: The sliding hole (17) is slidably sleeved on the outer wall of the side plate (13), wherein one of the circular holes (18) can be communicated with the threaded hole (14), and one end of the adjusting bolt (23) passes through the circular hole (18) and is threadedly connected with the inner wall of the threaded hole (14).

7. The underground pre-buried structure of a tower crane with strong stability according to claim 1 is characterized in that: The upper end of the support column (21) is provided with a second threaded hole (22). The upper end of the support column (21) is slidably inserted into the sleeve cavity (16). Another circular hole (18) is connected to the second threaded hole (22). One end of the fastening bolt (19) passes through the circular hole (18) and is threadedly connected to the inner wall of the second threaded hole (22).

8. The underground pre-buried structure of a tower crane with strong stability according to claim 1, characterized in that: Two strip plates (24) at the outer end of each support column (21) are vertically arranged, and the strip plates (24) are located at the lower end of the connecting block (15).

9. The underground pre-buried structure of a tower crane with strong stability according to claim 1, characterized in that: The upper end of the cover plate (4) is provided with a cavity (27), a plurality of springs (28) are evenly fixedly installed in the cavity (27), frame plates (29) are fixedly installed on both left and right sides of the upper end of the cover plate (4), an H-shaped movable block (31) is slidably connected in the cavity (27), an H-shaped movable block (31) is clamped and installed between the spring ring (28) and the frame plate (29), and a rubber block (30) is fixedly installed on the upper end of the H-shaped movable block (31).

10. A construction method for a tower crane underground pre-buried structure with strong stability, characterized in that: The specific steps include: S1. When in use, bolts are inserted through the fixing holes (3) on the surface of the bottom plate (2) to fix the reinforced main column (1). According to the installation requirements, the movable plate (11) inside the sleeve frame (5) is pulled and fixed using the limiting component; S2. Slidingly sleeve the connecting block (15) on the surface of the side plate (13) and fix it by adjusting the bolts (23). Adjust the position of the connecting block (15) as needed, and then insert the supporting column (21) into the sleeve cavity (16) and fix it by tightening the bolts (19); S3. According to the requirements for installing the steel bars (26), the steel bars (26) are passed through the connection holes (25) on the strip plates (24) to reinforce the support columns (21); S4. Then, a foundation fixing sleeve block (20) is fixedly connected to the upper surface of the connection block (15), and then a foundation fixing plate is installed on the upper end of the foundation fixing sleeve block (20) to facilitate the subsequent installation of the tower crane.

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