Assembly type tower crane attachment support for connecting steel columns and tower crane fixing structure

Abstract

The utility model relates to the technical field of construction machinery, discloses an assembly type tower crane attachment support for connecting steel columns and a tower crane fixing structure, and relates to the technical field of construction machinery, in order to solve the technical problem that the existing site construction process is complicated, and provides the assembly type tower crane attachment support for connecting the steel columns, which comprises a left enclosure frame and a right enclosure frame, the enclosure frame comprises an outer side steel plate, connecting steel plates arranged front and back are arranged on the inner side of the outer side steel plate, vertical steel plates arranged front and back are arranged between the outer side steel plate and the vertical steel plates, and the two ends of the vertical steel plates are fixedly connected with the outer side steel plate and the vertical steel plates respectively. Hoop steel sheets are fixedly connected among the inner side of the outer steel plate, the inner side of the vertical steel plate and the connecting steel plate, and the hoop steel sheets are combined to form a rectangular or circular clamping opening used for clamping and fixing a steel column. Machining is conducted in a workshop in advance, connection and installation only need to be conducted on site through bolts, on-site welding operation is avoided to the maximum extent, and even if steel columns are not matched, only the hoop steel sheets need to be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building machinery technical field especially relates to a kind of assembly type tower crane attachment support of connecting steel column and tower crane fixing structure. BACKGROUND

[0002] With the diversification of building structure form, the attachment form of tower crane (tower crane) also gradually presents the development trend of various. Among them, pre-burying and hoop are currently more common attachment form. In the building project mainly with steel structure, tower crane attachment usually adopts hoop form to be fixed. The traditional hoop structure is usually composed of two pieces, and the hoop piece and the pull rod need to be connected and fixed by welding at the construction site. However, this welding connection method exposes a series of problems in actual application. First, the on-site welding process is complex, the operation is difficult, the welding quality control requirement is higher, and it is easily affected by environment, construction conditions and personnel technical level, so that the welding quality is difficult to guarantee. Secondly, the length adjustment of the attachment pull rod needs to rely on on-site cutting or welding to complete, the process is tedious, the adjustment precision is low, and the attachment stability and construction safety of tower crane are easily affected.

[0003] Therefore, how to design a new type of hoop attachment structure that can adapt to the demand of steel structure building, simplify the on-site construction process and improve the connection reliability has become a problem to be solved in the industry. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of assembly type tower crane attachment support of connecting steel column and tower crane fixing structure, to solve the technical problem of complex on-site construction process.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of a kind of assembly type tower crane attachment support of connecting steel column and tower crane fixing structure of the utility model is as follows:

[0006] As an aspect of the utility model, a kind of assembly type tower crane attachment support of connecting steel column is provided, which comprises left and right enclosing frames connected by fasteners, and ear plates are arranged on the left and right enclosing frames, the enclosing frame comprises an outer steel plate, a plurality of connecting steel plates arranged in front and back on the inner side of the outer steel plate, a plurality of vertical steel plates arranged in front and back between the outer steel plate and the vertical steel plate, the two ends of the vertical steel plate are fixedly connected with the outer steel plate and the vertical steel plate respectively, and a hoop steel sheet is fixedly connected between the inner side of the outer steel plate, the inner side of the vertical steel plate and the connecting steel plate, the hoop steel sheet forms a rectangular or circular clamping opening after combination, and is used for clamping and fixing on the steel column.

[0007] The design can adapt to the fixing requirements of steel columns with different cross sections (rectangular or circular) ; the clamping opening design is stable and reliable, ensuring the safe connection of the attachment support and the steel column;

[0008] Further, a plurality of gusset plates are fixedly connected between the inner plate of the outer steel plate, the outer side of the vertical steel plate and the connecting steel plate, and lug ears are fixedly connected on the gusset plates. The addition of the gusset plates enhances the rigidity and stability of the overall structure and improves the load bearing capacity of the support. The lug ears facilitate on-site hoisting, carrying and positioning, and simplify the construction operation process. The gusset plates optimize the force transmission between the steel plates, ensure uniform stress and improve the service life.

[0009] Further, the fasteners are bolts, and bolt holes are arranged on the connecting steel plates for fixedly connecting the oppositely arranged connecting steel plates through the bolts. The bolts are firmly and reliably assembled and can be disassembled at any time, facilitating the reuse of the structure.

[0010] Further, the lug plates are welded to the outer steel plates, the lug plates and the outer steel plates are provided with reinforcing ribs for increasing the connection firmness, the lug plates include upper lug plates and lower lug plates which are consistent in shape and are provided with corresponding lug holes. The lug plates are supported by the reinforcing ribs, enhancing the tensile and shearing resistance of the lug plates. The connection strength of the lug plates is improved, ensuring the stability of the pull head and other attached components. The stress concentration problem at the welding position of the lug plates is avoided, improving the safety of the overall structure.

[0011] As one of the embodiments, the lug plate is triangular, is provided with a round corner at the edge corner, and is provided with one lug hole. The single-lug-hole form is simple and practical, and is suitable for relatively light tensile connection requirements.

[0012] As one of the embodiments, the lug plate is rectangular, is provided with a round corner at the edge corner, and is provided with two lug holes. The rectangular lug plate has a larger stress area and is suitable for relatively large tensile connection requirements. The two-lug-hole design provides more connection possibilities and enhances the flexibility of the structure. The round corner design also avoids stress concentration and improves the durability of the lug plate.

[0013] Further, the connecting steel plates are parallel to the outer steel plates, and the vertical steel plates are perpendicular to the outer steel plates. The parallel and perpendicular arrangement optimizes the stress distribution and improves the overall stability of the structure. The complex processing procedures are reduced, facilitating manufacturing and assembly. The mechanical design principle is met, ensuring the reliability of the support under multi-directional stress.

[0014] As one aspect of the present application, a tower crane fixing structure is provided, which comprises the assembled tower crane attached support described above, an attached wall frame is installed on the side of the tower crane, an attached pull rod is connected to the attached wall frame, a lug plate is connected to the pull head, the pull head is connected to the attached pull rod through an adjusting screw, the pull head is provided with a fork-shaped pull plate, and the fork-shaped pull plate is connected to the lug plate through a pin shaft.

[0015] The adjusting screw solves the technical problem of high difficulty in adjusting the length of the attached pull rod.

[0016] The utility model provides a kind of connecting steel column's assembly type tower crane attached support and tower crane fixed structure provided in the utility model has the following advantages:

[0017] The utility model discloses simple structure, easy to install and disassemble, stable and durable structure, pre-process the hoop in workshop, only need to install hoop by bolt connection form on site, avoid on-site welding operation;When attaching to round steel column or square steel column, hoop steel plate can be cut according to the size (length of side or diameter) of attached steel column, and the hoop steel sheet obtained is welded to the hoop sheet;When attaching to steel column with smaller size (diameter or length of side), the hoop steel sheet is cut again, and the new hoop steel sheet is welded to the hoop sheet, so that the hoop structure can be reused. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides the hoop structure diagram of example one.

[0019] Figure 2 The utility model provides the hoop structure diagram of example two.

[0020] Figure 3 The utility model provides the hoop application structure diagram. Figure 2 The utility model provides the hoop combination structure diagram.

[0021] Figure 4 The utility model provides the hoop application structure diagram.

[0022] Figure 5 The utility model provides the hoop application structure diagram. Figure 4 The utility model provides the hoop application structure diagram.

[0023] In the drawing: 1, tower crane;2, hoop;3, steel column;4, attached pull rod;5, adjusting screw;6, pull head;7, attached wall frame;20, surrounding frame;21, outer steel plate;22, vertical steel plate;23, connecting steel plate;24, rib plate;25, lifting lug;26, hoop steel sheet;27, lug plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with drawings and examples.

[0025] Refer to Figures 1 to 5The utility model provides a kind of assembled tower crane attachment support of connecting steel column, including left and right frame 20 connected by fastener, two frame 20 are symmetrical, but ear plate 27 is provided on the outside of one of frame 20, frame 20 includes outside steel sheet 21, the inside of outside steel sheet 21 is arranged with front and rear arrangement connecting steel sheet 23, front and rear arrangement vertical steel sheet 22 is arranged between outside steel sheet 21 and vertical steel sheet 22, the both ends of vertical steel sheet 22 are fixedly connected with outside steel sheet 21, vertical steel sheet 22 and connecting steel sheet 23, between the inside of outside steel sheet 21, the inside of vertical steel sheet 22 and connecting steel sheet 23, there is fixedly connected with hoop steel sheet 26, hoop steel sheet 26 is combined to form rectangular or circular clamping, for clamping fixed in steel column 3.

[0026] Further, a plurality of rib plates 24 are fixedly connected between the inner plate of the outside steel sheet 21, the outside of the vertical steel sheet 22 and the connecting steel sheet 23, and the hanger lug 25 is fixedly connected on the rib plate 24.

[0027] Further, the fastener is a bolt, and the specification of the bolt is a high-strength bolt with M30x150. The connecting steel sheet 23 is provided with a bolt hole for fixedly connecting the oppositely arranged connecting steel sheets 23 by the bolt.

[0028] Further, the ear plate 27 is welded to the outside steel sheet 21, and the ear plate 27 and the outside steel sheet 21 are provided with a reinforcing rib for increasing the connection firmness. The ear plate 27 includes upper and lower ear plates with consistent shapes, and the upper and lower ear plates are provided with corresponding ear holes.

[0029] As one of the embodiments, the ear plate 27 is triangular, and a round corner is arranged at the edge corner. The ear plate 27 is provided with one ear hole.

[0030] As one of the embodiments, the ear plate 27 is rectangular, and a round corner is arranged at the edge corner. The ear plate 27 is provided with two ear holes.

[0031] Further, the connecting steel sheet 23 is parallel to the outside steel sheet 21, and the vertical steel sheet 22 is perpendicular to the outside steel sheet 21.

[0032] The utility model provides a kind of tower crane fixed structure, including the assembled tower crane 1 attachment support of above-mentioned, the peripheral side of tower crane 1 is installed with attached wall frame 7, and attached wall frame is connected with attachment pull rod 4, ear plate 27 is connected with pull head 6, pull head 6 is connected with attachment pull rod 4 by adjusting screw, and pull head 6 is provided with forked draw plate, and forked draw plate is connected with ear plate 27 by pin shaft.

[0033] The length of the attachment pull rod 4 can be adjusted by the adjusting screw 5, so as to avoid cutting, lapping and welding processes of the attachment pull rod 4 on site.

[0034] Processing method:

[0035] In order to simplify the structure of the above-mentioned, convenient to assemble, when processing, first according to the processing drawing size, the corresponding steel plate is processed, the processed steel plate is cut and polished, and the angle weld is welded according to the drawing to form the hoop piece, that is, the frame 20, the steel plate parts are welded before leaving the factory, the weld is ensured to be qualified, the hoop 2 is transported to the site, the two frames 20 are assembled by bolts to form a complete hoop structure, and the structure is overlapped on the load bearing rib plate, and the self-weight load of the hoop is transmitted to the steel column.

[0036] The advantages of the present application are that the frame 20 is welded and assembled by steel plates, the two frames 20 are assembled by bolts, the welding of the hoop piece on site is avoided, the attached pull rod 4 is connected with the hoop 2 through the pin shaft, the process of welding the rod to the hoop on site and the weld detection are avoided, the length of the attached pull rod 4 can be adjusted through the adjusting screw 5, and the rod does not need to be cut on site.

[0037] The hoop is pre-produced and processed in the workshop, and the on-site hoop only needs to be installed in the form of bolt connection to avoid on-site welding operation; when the hoop needs to be attached to a steel column 3 with smaller size (diameter or side length), the hoop steel sheet 26 is re-cut, and the new hoop steel sheet 26 is welded to the frame 20, so that the hoop structure can be reused.

[0038] In summary, the utility model provides a kind of connecting steel column's assembly type tower crane attached support and tower crane fixed structure, the structure design of the utility model takes simplifying manufacturing process as core, with the characteristics of simple production, easy installation, structure stable and durable.Its main components are completed in the workshop, and the quality reliability is ensured by standardized production process.In site construction, only the form of bolt connection can be used to complete the rapid installation of hoop, effectively avoiding the complexity and instability of traditional welding operation.In application to circular or square steel column, the hoop steel plate can be cut according to the specific size (such as side length or diameter) of the steel column, and the hoop steel sheet is welded to the hoop piece after cutting and processing, to realize accurate attachment to the steel column.When the attachment object needs to be adjusted to a smaller steel column (such as reduced diameter or side length), only the hoop steel sheet needs to be re-cut and welded with a new steel sheet, without replacing the entire hoop structure.This design not only improves the reusability of the hoop, but also greatly reduces material waste and cost, while ensuring the flexibility and efficiency of construction.

[0039] The above-mentioned is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fabricated tower crane attachment support connected to a steel column, comprising left and right enclosing frames (20) fixedly connected by fasteners, and an ear plate (27) provided on the left and right enclosing frames (20) selectively, characterized in that, The enclosure (20) comprises an outer steel plate (21), the inner side of the outer steel plate (21) is arranged with front and rear arranged connecting steel plates (23), the front and rear arranged vertical steel plates (22) are arranged between the outer steel plate (21) and the vertical steel plate (22), the two ends of the vertical steel plate (22) are fixedly connected with the outer steel plate (21) and the vertical steel plate (22) respectively, the inner side of the outer steel plate (21), the inner side of the vertical steel plate (22) and the connecting steel plate (23) are fixedly connected with the hoop steel sheet (26), the hoop steel sheet (26) is combined to form a rectangular or circular clamping opening for clamping and fixing on the steel column (3).

2. The assembled tower crane attachment support connecting a steel column according to claim 1, characterized in that A plurality of rib plates (24) are fixedly connected between the inner plate of the outer steel plate (21), the outer side of the vertical steel plate (22) and the connecting steel plate (23), and a lifting lug (25) is fixedly connected on the rib plate (24).

3. The assembled tower crane attachment support connecting a steel column according to claim 2, characterized in that The fastener is a bolt, and a bolt hole is arranged on the connecting steel plate (23) for fixedly connecting the oppositely arranged connecting steel plates (23) through the bolt.

4. The assembled tower crane attachment support connecting a steel column according to claim 3, characterized in that The lug plate (27) is welded to the outer steel plate (21), the lug plate (27) and the outer steel plate (21) are provided with a reinforcing rib for increasing the connection firmness, and the lug plate (27) comprises upper and lower lug plates with consistent shapes, and the upper and lower lug plates are provided with corresponding lug holes.

5. The fabricated tower crane attachment support of claim 4, wherein, The lug plate (27) is triangular, and a round corner is arranged at the edge corner, and the lug plate (27) is provided with one lug hole.

6. The fabricated tower crane attachment support of claim 4, wherein, The lug plate (27) is rectangular, and a round corner is arranged at the edge corner, and the lug plate (27) is provided with two lug holes.

7. The assembled tower crane attachment support connecting a steel column according to claim 1, characterized in that, The connecting steel plate (23) is parallel to the outer steel plate (21), and the vertical steel plate (22) is perpendicular to the outer steel plate (21).

8. A tower crane anchoring structure, characterized by The assembly type tower crane attachment support comprises the assembly type tower crane attachment support as claimed in claim 1, a wall attachment frame (7) is mounted on the periphery of a tower crane (1), an attachment tension rod (4) is connected to the wall attachment frame, a lug plate (27) is connected with a tension head (6), the tension head (6) is connected with the attachment tension rod (4) through an adjusting screw (5), the tension head (6) is provided with a fork-shaped tension plate, and the fork-shaped tension plate is connected with the lug plate (27) through a pin shaft.

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