Standard knot of tower crane

Abstract

The utility model discloses a standard knot of a tower crane, which relates to the technical field of crane components and comprises a standard knot body, and the standard knot body comprises a support column and a top beam column. The number of the supporting columns is four, all the supporting columns are vertically arranged, the number of the top beam columns is eight, and all the top beam columns are transversely arranged at the top and the bottom between every two connected supporting columns respectively. All the supporting columns and all the top columns form a rectangular frame, guide rods are arranged on the tops of the supporting columns, and guide grooves matched with the guide rods are formed in the bottoms of the supporting columns. Connecting sleeves are vertically arranged on the upper portions and the lower portions of the two opposite sides of the supporting columns correspondingly, and connecting bolts are arranged in the connecting sleeves located on the upper portions correspondingly. The standard knot pre-connecting device has a pre-connecting function, can stably and quickly assemble standard knots, can improve the stability of a plurality of groups of standard knots after being connected, and enhances the strength and the stability of the standard knots at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of crane components, in particular to a tower crane standard section. Background Art

[0002] Tower crane is a large lifting equipment, which can lift a large amount of building materials, substrates, etc. to a height of tens of meters, and plays an important role in large-scale construction. The bottom support frame of the crane is composed of multiple groups of standard sections, which are spliced ​​and installed to form a crane support up to tens of meters high;

[0003] The existing tower cranes do not have a pre-connection function in actual use, and cannot stably and quickly assemble standard sections; and cannot improve the stability between multiple sets of standard sections after connection; and the insufficient structural strength will affect the strength and stability of the standard section itself; therefore, there is an urgent need for a tower crane standard section to solve the above-mentioned deficiencies. Utility Model Content

[0004] The utility model aims to provide a tower crane standard section, which has a pre-connection function, can stably and quickly assemble the standard section, and enhances the strength and stability of the standard section itself.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tower crane standard section, including a standard section body, the standard section body including support columns and top beams; the number of the support columns is four, all of which are vertically arranged, the number of the top beams is eight, all of which are horizontally arranged at the top and bottom between two connected support columns; all of the support columns and all of the top beams form a rectangular frame, the top of the support column is provided with a guide rod, and the bottom of the support column is provided with a guide groove adapted to the guide rod; connecting sleeves are vertically arranged above and below the opposite sides of all of the support columns, and connecting bolts are respectively arranged in the upper connecting sleeves, and a group of nuts are arranged on the connecting bolts;

[0006] Connecting cross bars are diagonally arranged at the top and bottom of the rectangular frame; support rods are arranged between all the support columns connected in pairs, and the support rods are in a cross structure. The upper and lower ends and the left and right ends of the support rods are respectively fixedly connected to the top beam and the support columns. An inclined reinforcing rod is arranged at the angle of the support rod, and the two ends of the reinforcing rod are respectively fixedly connected to the top beam and the support columns.

[0007] In order to facilitate the lifting of the standard section, as a preferred standard section of a tower crane of the utility model, a group of adjustment sleeves are arranged on the connecting cross bar.

[0008] In order to strengthen the connection strength of the support rod and the reinforcing rod, as a preferred standard section of a tower crane of the utility model, both sides of the support rod and the reinforcing rod are provided with reinforcing plates fixedly connected to the support rod and the top beam.

[0009] In order to facilitate climbing the standard section, as a preferred standard section of a tower crane of the utility model, a ladder is arranged in the rectangular frame.

[0010] In order to enhance the wear-resistant and rust-proof performance of the standard section, as a preferred standard section of a tower crane of the utility model, the support columns, top beams, connecting cross bars, support bars and reinforcing bars are all provided with wear-resistant and rust-proof coatings.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides a guide rod at the top of the support column and a guide groove at the bottom of the support column. When the standard section body is assembled, the guide rod is sleeved in the guide groove to realize the pre-connection function, avoid the misalignment of two groups of standard section bodies, and can stably and quickly assemble the standard section through the connecting bolts, and can ensure the stability between multiple groups of standard sections after connection.

[0013] 2. The utility model forms a complete set of standard section bodies by arranging support columns, top beams, connecting cross bars, reinforcing bars and support bars, and arranges the connecting cross bars diagonally, arranges the reinforcing bars obliquely at the four angles of the support bars, and fixes the support bars and the top beams respectively, so that the top and each side of the standard section form multiple triangular structures, thereby enhancing the overall supporting strength and stability performance of the standard section body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 3 for Figure 2 AA structural diagram;

[0017] Figure 4 It is a structural schematic diagram of the feeding part of the utility model.

[0018] In the figure: 1. Standard section body; 2. Support column; 3. Top beam; 4. Rectangular frame; 5. Guide rod; 6. Guide groove; 7. Connecting sleeve; 8. Connecting bolt; 9. Nut; 10. Connecting cross bar; 11. Support rod; 12. Reinforcement rod; 13. Adjustment sleeve; 14. Reinforcement plate; 15. Ladder; 16. Wear-resistant and rust-proof coating. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments to help understand the content of the present invention. The methods used in the present invention are all conventional methods unless otherwise specified; the raw materials and devices used are all conventional commercial products unless otherwise specified.

[0020] See also Figures 1 to 4 A tower crane standard section includes a standard section body 1, which includes support columns 2 and top beams 3; there are four support columns 2, all of which are vertically arranged, and eight top beams 3, all of which are horizontally arranged at the top and bottom between two connected support columns 2. All support columns 2 and all top beams 3 form a rectangular frame 4, a guide rod 5 is arranged at the top of the support column 2, and a guide groove 6 adapted to the guide rod 5 is opened at the bottom of the support column 2; connecting sleeves 7 are vertically arranged above and below the opposite sides of all support columns 2, and connecting bolts 8 are arranged in the upper connecting sleeves 7, and a group of nuts 9 are arranged on the connecting bolts 8.

[0021] Connecting cross bars 10 are diagonally arranged at the top and bottom of the rectangular frame 4; support rods 11 are arranged between all the supporting columns 2 connected in pairs, and the support rods 11 are in a cross structure. The upper and lower ends and the left and right ends of the support rods 11 are respectively fixedly connected to the top beam 3 and the supporting columns 2. An inclined reinforcing rod 12 is arranged at the angle of the support rod 11, and the two ends of the reinforcing rod 12 are respectively fixedly connected to the top beam 3 and the supporting columns 2.

[0022] In this embodiment: the standard section body 1 is composed of four vertically arranged support columns 2 and eight horizontally arranged top beam columns 3; when connecting two groups of standard section bodies 1, one group of standard section bodies 1 is placed on the top of the other group of standard section bodies 1, and the top guide rod 5 of the lower support column 2 is sleeved in the bottom guide groove 6 of the upper support column 2 to achieve the pre-connection function. The upper end thread of the connecting bolt 8 in the connecting sleeve 7 is passed through the corresponding lower connecting sleeve 7 on the upper standard section body 1, and a group of nuts 9 are threadedly installed on both ends of the connecting bolt 8, so that the standard section can be assembled stably and quickly. Connecting cross bars 10 are diagonally arranged at the top and bottom of the rectangular frame 4. The connecting cross bars 10 make the top and bottom surfaces of the rectangular frame 4 form two triangular structures, and support bars 11 and reinforcing bars 12 are arranged between the connected support columns 2 and the top beam 3. The reinforcing bars 12 are inclined and arranged at the angle of the cross-structured support bars 11. The support bars 11 and the reinforcing bars 12 make each side of the rectangular frame 4 form multiple triangular structures, so that the supporting strength and stability performance of the standard section body 1 itself are enhanced.

[0023] As a technical optimization solution of the utility model, a group of adjustment sleeves 13 are provided on the connecting cross bar 10 .

[0024] In this embodiment, the adjusting sleeve 13 makes it easy to lift the standard section when assembling two sets of standard section bodies 1 .

[0025] As a technical optimization solution of the present invention, reinforcing plates 14 fixedly connected to the support rod 11 and the top beam 3 are provided on both sides of the support rod 11 and the reinforcing rod 12 .

[0026] In this embodiment: the reinforcing plate 14 can increase the connection strength between the support rod 11 and the reinforcing rod 12 and the support column 2 and the top beam 3

[0027] As a technical optimization solution of the present invention, a ladder 15 is arranged inside the rectangular frame 4 .

[0028] In this embodiment, the ladder 15 makes it easy for workers to climb and assemble the standard section body 1.

[0029] As a technical optimization solution of the utility model, the support column 2 , the top beam 3 , the connecting cross bar 10 , the support rod 11 and the reinforcing rod 12 are all provided with a wear-resistant and rust-proof coating 16 .

[0030] In this embodiment, the wear-resistant and rust-proof coating 16 has excellent wear resistance and rust-proof properties, so that the standard section body 1 can protect the base material from damage caused by wear and rust in various harsh environments.

[0031] Working principle:

[0032] First, when the utility model is used, when two groups of standard section bodies 1 are connected, one group of standard section bodies 1 is placed on the top of the other group of standard section bodies 1, and the top guide rod 5 of the lower support column 2 is sleeved in the bottom guide groove 6 of the upper support column 2, and then the upper end thread of the connecting bolt 8 in the connecting sleeve 7 is passed through the corresponding lower connecting sleeve 7 on the upper standard section body 1, and a group of nuts 9 are threadedly installed on both ends of the connecting bolt 8 to complete the assembly. The standard section body 1 is composed of four vertically arranged support columns 2 and eight horizontally arranged top beams 3, and forms a rectangular frame 4, and connecting cross bars 10 are diagonally arranged at the top and bottom of the rectangular frame 4, and four reinforcing rods 12 and support rods 11 are arranged on each side of the rectangular frame 4, so that the top of the rectangular frame 4 forms multiple triangular structures, so that the overall support strength and stability of the standard section body 1 are enhanced.

[0033] In the description of the present invention, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0034] However, what is described above is only a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the patent of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A tower crane standard section, comprising a standard section body (1), characterized in that: The standard section body (1) comprises a support column (2) and a top beam column (3); the number of the support columns (2) is four, and all the support columns (2) are vertically arranged; the number of the top beam columns (3) is eight, and all the top beam columns (3) are horizontally arranged at the top and bottom between two connected support columns (2); all the support columns (2) and all the top beam columns (3) form a rectangular frame (4), the top of the support column (2) is provided with a guide rod (5), and the bottom of the support column (2) is provided with a guide groove (6) adapted to the guide rod (5); connecting sleeves (7) are vertically arranged above and below the opposite sides of all the support columns (2), and connecting bolts (8) are respectively arranged in the upper connecting sleeves (7), and a group of nuts (9) are arranged on the connecting bolts (8); The top and bottom of the rectangular frame (4) are both diagonally provided with connecting cross bars (10); all the supporting columns (2) are provided with supporting bars (11) between each other, the supporting bars (11) are in a cross structure, the upper and lower ends and the left and right ends of the supporting bars (11) are respectively fixedly connected to the top beam (3) and the supporting columns (2); an inclined reinforcing bar (12) is provided at the angle of the supporting bar (11), and the two ends of the reinforcing bar (12) are respectively fixedly connected to the top beam (3) and the supporting columns (2).

2. A tower crane standard section according to claim 1, characterized in that: A group of adjustment sleeves (13) are arranged on the connecting cross bar (10).

3. A tower crane standard section according to claim 1, characterized in that: Reinforcing plates (14) fixedly connected to the supporting rod (11) and the top beam (3) are provided on both sides of the supporting rod (11) and the reinforcing rod (12).

4. A tower crane standard section according to claim 1, characterized in that: A ladder (15) is arranged inside the rectangular frame (4).

5. A tower crane standard section according to claim 1, characterized in that: The support column (2), the top beam (3), the connecting cross bar (10), the support bar (11) and the reinforcing bar (12) are all provided with a wear-resistant and rust-proof coating (16).

Images