Foldable standard knot

Abstract

The utility model provides a foldable standard knot, which relates to the technical field of building construction, and comprises two support sheets, a connecting rod is hinged between the two support sheets through a lug plate, the connecting rod comprises a first connecting rod and a second connecting rod, a first rotating shaft and a second rotating shaft are arranged between the first connecting rod and the second connecting rod, and the first rotating shaft and the second rotating shaft are hinged to each other. A first connecting piece is fixedly connected between the two first connecting rods, a second connecting piece is fixedly connected between the two second connecting rods, the first connecting piece and the second connecting piece are connected through two pin shafts, and the first connecting piece and the second connecting piece are hinged to a supporting piece through lug plates correspondingly. In the transportation process, every two adjacent transverse parts are folded inwards in the longitudinal direction in a group, loading and transportation are facilitated, the transportation cost is saved, the transverse parts and the longitudinal parts can be fixed together only by unfolding the transverse parts and inserting the pin shafts into the corresponding holes when the transverse parts and the longitudinal parts are transported to the site to be assembled, and installation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a foldable standard section. Background Art

[0002] Tower cranes are mainly used for vertical and horizontal transportation of materials and installation of building components in housing construction. They are commonly used lifting and hoisting equipment in construction engineering operations. The main part of a tower crane is usually composed of standard sections stacked from bottom to top. It is one of the most critical load-bearing components on the crane. It has to bear the working load of the crane, the load caused by the weight of the upper structure of the tower, and the load caused by the wind resistance of the tower. Therefore, the standard section needs to have sufficient strength and rigidity.

[0003] The standard section is generally used as a minimum installation unit of a tower crane. Considering the above reasons, the standard section structure is mostly assembled by welding. Although the strength of the components and the overall rigidity are guaranteed, the width of the standard section section is generally more than 1 meter and the height is more than 2 meters. The welded standard section cannot be disassembled as a whole, which will take up more transportation or placement space, increasing the cost of transportation and storage.

[0004] After searching, the patent number "CN218320423U" mentioned in the text that "the utility model relates to the field of tower crane or tower crane equipment, specifically to a foldable standard section and a tower crane, the foldable standard section includes two standard frames and two folding frames, each of the folding frames includes a first frame and a second frame that are rotatably connected, the first frame and the second frame are respectively rotatably connected to the sides of the two standard sections to enclose and form the frame of the standard section, and the first frame and the second frame can reduce the distance between the two standard frames by rotating and folding to fold the standard section. The above structure is an assembly structure, which can not only be directly used for the assembly of the tower crane, thereby greatly reducing the labor cost and time cost during assembly, but also can reduce the occupied space by folding to facilitate transportation, thereby reducing transportation costs", when in use, the first frame and the second frame can reduce the distance between the two standard frames by rotating and folding to fold the standard section, but the standard frames can only be connected by a second hinge when in use, the strength and stability are low, and additional reinforcement rods need to be installed between the standard frames for stability, which is inconvenient to disassemble and assemble, and the sheet-like standard frames have relatively low compressive strength and higher cost. Utility Model Content

[0005] The utility model aims to provide a foldable standard section to solve the problems of low strength and stability of the standard frame proposed in the above background technology, the need for additional installation of reinforcing rods for stability, inconvenient assembly and disassembly, and low compressive strength and higher cost of the sheet-like standard frame.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foldable standard section, comprising a support sheet, two of the support sheets being hinged with a connecting rod through an ear plate;

[0007] The connecting rod comprises a first connecting rod and a second connecting rod, and a first rotating shaft and a second rotating shaft are arranged between the first connecting rod and the second connecting rod;

[0008] A first connecting member is fixedly connected between the two first connecting rods, a second connecting member is fixedly connected between the two second connecting rods, the first connecting member and the second connecting member are connected via two pins, and the first connecting member and the second connecting member are respectively hinged on the support sheet via ear plates.

[0009] Preferably, the ear plate further includes a fixing hole arranged thereon.

[0010] Preferably, the support plate comprises two support columns, a plurality of transverse support columns are fixedly connected between the two support columns, and a cross-shaped support frame is fixedly connected between the two transverse support columns.

[0011] Preferably, a connecting male groove is provided at the bottom end of the support column, and a connecting female groove is provided at the top end of the support column.

[0012] Preferably, the connecting male groove and the connecting female groove on each of the supporting columns are in the same direction, and the connecting male grooves and the connecting female grooves on adjacent supporting columns are arranged vertically.

[0013] Preferably, a lifting block fixedly connected to the support column is provided on the inner side of the Pozigzag support frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting up the male connecting groove and the female connecting groove, it is convenient for installation while ensuring a small footprint and convenient transportation. The vertical setting of the male connecting groove and the female connecting groove can prevent sliding during installation and the impact of shaking when placed, and has high stability.

[0016] Second, through the setting of the connecting mechanism and the design of the fixing hole, the connecting rod can be rotated and folded on the ear plate, and can also be fixed, which is convenient for flexible folding and improves stability. The design of the first rotating shaft and the second rotating shaft allows the connecting rod to be rotated, folded and fixed. During transportation, the utility model folds two adjacent horizontal groups longitudinally inward together, which is convenient for loading and transportation and saves transportation costs. When it arrives at the site for assembly, it only needs to be unfolded and the pins inserted into the corresponding holes to fix them together. The installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the first connecting member of the utility model;

[0019] Figure 3 It is a schematic diagram of the folding structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the installation structure of the connecting male groove and the connecting female groove of the utility model.

[0021] Numbers in the figure: 1, support plate; 101, support column; 102, horizontal support column; 103, M-shaped support frame; 2, connecting rod; 201, first connecting rod; 202, second connecting rod; 203, first rotating shaft; 204, second rotating shaft; 205, first connecting member; 206, second connecting member; 3, fixing hole; 4, connecting male groove; 5, connecting female groove; 6, lifting block. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figure 1-4 As shown, the utility model is a foldable standard section, comprising a support sheet 1, and a connecting rod 2 is hinged between two support sheets 1 through an ear plate;

[0024] The connecting rod 2 includes a first connecting rod 201 and a second connecting rod 202, and a first rotating shaft 203 and a second rotating shaft 204 are arranged between the first connecting rod 201 and the second connecting rod 202;

[0025] A first connecting member 205 is fixedly connected between the two first connecting rods 201, and a second connecting member 206 is fixedly connected between the two second connecting rods 202. The first connecting member 205 and the second connecting member 206 are connected by two pins. The first connecting member 205 and the second connecting member 206 are respectively hinged on the support sheet 1 through ear plates. The first rotating shaft 203 can make the first connecting rod 201 and the second connecting rod 202 rotate and fold with each other. The second rotating shaft 204 can fix the first connecting rod 201 and the second connecting rod 202 to prevent them from rotating and folding. The first connecting member 205 and the second connecting member 206 can support the connecting rod 2 to improve its compressive resistance.

[0026] Furthermore, the ear plate also includes a fixing hole 3 arranged thereon, and the fixing hole 3 can fix the connecting rod 2 and the first connecting member 205 and the second connecting member 206 hinged thereon to prevent them from rotating and folding when unfolded, thereby preventing safety hazards.

[0027] Furthermore, the support plate 1 includes two support columns 101, a plurality of transverse support columns 102 are fixedly connected between the two support columns 101, and a cross-shaped support frame 103 is fixedly connected between the two transverse support columns 102. The fixed connection between the support columns 101, the transverse support columns 102 and the cross-shaped support frame 103 can make the support plate 1 more secure while saving costs.

[0028] Furthermore, a connecting male groove 4 is provided at the bottom end of the support column 101, and a connecting female groove 5 is provided at the top end of the support column 101. The connecting male groove 4 is plugged into the connecting female groove 5, which facilitates installation while ensuring a small footprint and convenient transportation.

[0029] Furthermore, the connecting male groove 4 and the connecting female groove 5 on each supporting column 101 are in the same direction, and the connecting male groove 4 and the connecting female groove 5 on adjacent supporting columns 101 are vertically arranged. The vertical arrangement of the connecting male groove 4 and the connecting female groove 5 can prevent sliding during installation and prevent the impact of shaking.

[0030] Furthermore, a lifting block 6 fixedly connected to the support column 101 is provided on the inner side of the cross-shaped support frame 103. The lifting block 6 is designed to be stored inside, which further reduces the occupied area, facilitates long-distance transportation, and facilitates container loading.

[0031] Working principle: First, a foldable standard section is moved to the working position. When in use, the first step is to remove the pin in the fixing hole 3 on the ear plate, remove the pin in the second rotating shaft 204 between the first connecting rod 201 and the second connecting rod 202, and remove the pin connecting the first connecting member 205 and the second connecting member 206. The second step is to fold the two support sheets 1 inward and then transport them to the designated location for unfolding and assembly. When assembling, you only need to unfold the support sheet 1, insert the pin into the fixing hole 3, the second rotating shaft 204, and the connection between the first connecting member 205 and the second connecting member 206, and then connect the unfolded standard sections to each other through the connecting male groove 4 and the connecting female groove 5. This completes the use process of a foldable standard section.

[0032] 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 foldable standard section, comprising a support sheet (1), characterized in that: A connecting rod (2) is hingedly connected between the two support plates (1) via an ear plate; The connecting rod (2) comprises a first connecting rod (201) and a second connecting rod (202), and a first rotating shaft (203) and a second rotating shaft (204) are arranged between the first connecting rod (201) and the second connecting rod (202); A first connecting member (205) is fixedly connected between the two first connecting rods (201), and a second connecting member (206) is fixedly connected between the two second connecting rods (202). The first connecting member (205) and the second connecting member (206) are connected via two pins, and the first connecting member (205) and the second connecting member (206) are respectively hinged on the support plate (1) via ear plates.

2. A foldable standard section according to claim 1, characterized in that: The ear plate also includes a fixing hole (3) arranged thereon.

3. A foldable standard section according to claim 1, characterized in that: The support plate (1) comprises two support columns (101), a plurality of transverse support columns (102) are fixedly connected between the two support columns (101), and a cross-shaped support frame (103) is fixedly connected between the two transverse support columns (102).

4. A foldable standard section according to claim 3, characterized in that: The bottom end of the support column (101) is provided with a connecting male groove (4), and the top end of the support column (101) is provided with a connecting female groove (5).

5. A foldable standard section according to claim 4, characterized in that: The connecting male groove (4) and the connecting female groove (5) on each supporting column (101) are in the same direction, and the connecting male grooves (4) and the connecting female grooves (5) on adjacent supporting columns (101) are arranged in perpendicular directions.

6. A foldable standard section according to claim 5, characterized in that: A lifting stopper (6) fixedly connected to the support column (101) is provided on the inner side of the Pozigzag support frame (103).

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