A new type of outrigger folding and stowing device

By designing a new outrigger folding and squeezing device, the combination of hand-pulled hoist and winding steel rope is used to achieve simple folding and stable assembly of outriggers, solving the problems of poor structural stability of existing outriggers and complex folding mechanisms, and improving the practicality and safety of the device.

CN222745731UActive Publication Date: 2025-04-11WUHAN FANKEN INTELLIGENT EQUIP
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Patent Information

Application Number
CN202421429922.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-11
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing foldable and retractable leg structure lacks auxiliary support structure, and the support stability after assembly and fixation is poor, which poses safety risks; and the folding mechanism of the leg structure is relatively complex and takes up a large space, which affects the practicality of the device.

Method used

A new type of leg folding and raising device is designed, including a top cross beam, an oblique support beam, a middle-layer bracket, a first block, a first rod, a second block, a folding assembly and a second rod. The pulling of the retracting steel rope is used to provide tension, so that the folding foot and the connecting arm are flipped around the fixed support rod, thereby realizing the folding foot. At the same time, the first and second support rods arranged symmetrically form a double-triangle auxiliary support structure, thereby improving the structural stability after assembly and fixation.

Benefits of technology

The simple transmission and stability of the structure are achieved, the installation space is occupied, the practicality of the device is improved, and the support stability after assembly and fixation is ensured through the auxiliary support structure of the double triangle, and the safety hazards are eliminated.

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Abstract

The utility model discloses a novel leg folding and stowing device, comprising a top cross beam, an oblique support beam, a middle bracket, a first support block, a first support rod, a second support block, a folding assembly and a second support rod, wherein the bottom of the top cross beam is symmetrically provided with an oblique support beam, and the bottom ends of the oblique support beam are connected to the two sides of the middle bracket through flange cooperation. The utility model comprises a fixed bracket and a connecting arm respectively connecting the fixed support rod and the folding support leg to form a folding mechanism of the device, and a hand winch is used to pull the winding rope to provide tension to realize the stowing process of the folding support leg. The structure is simple, the transmission is stable, the installation space occupied is small, and the practicality of the device is improved; after assembly and fixation, the top cross beam and the middle bracket are connected by the symmetrically arranged first support rod, and the middle bracket and the bottom cross beam are connected by the second support rod to form a double triangle auxiliary support structure, which ensures the support stability of the overall structure after assembly and fixation and eliminates safety hazards.
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Description

Technical Field

[0001] The utility model relates to the technical field of building folding structures, in particular to a novel leg folding and stowing device. Background Art

[0002] The building support structure is an important component of the building structure system. Its main function is to transfer external forces or loads to the foundation through structural components to ensure the stability and safety of the building. The new building support structure adopts high-performance cold-rolled steel, which has the characteristics of corrosion resistance, high elasticity, firmness and non-deformation. After installation, it can bear huge loads under various external forces such as earthquakes, wind and snow, etc., to ensure the stability and safety of the building. In order to facilitate the later assembly, the existing building support structures mostly use pre-installation to perform simple assembly during the production process, and then the installation of the overall structure can be completed by hoisting and fixing on site. In order to facilitate the transportation of pre-installed components, a foldable and retractable leg structure is required. The existing foldable and retractable leg structure lacks an auxiliary support structure, and the support stability after assembly and fixation is poor, which poses certain safety hazards; and the folding mechanism of the leg structure is relatively complex, occupies a large space, and affects the practicality of the device; therefore, it is necessary to design a new leg folding and retracting device. Utility Model Content

[0003] The purpose of the utility model is to provide a novel leg folding and stowing device to solve the problems that the existing foldable and stowable leg structure lacks an auxiliary support structure, the support stability after assembly and fixation is poor, and there are certain safety hazards; and the folding mechanism of the leg structure is relatively complex, occupies a large space, and affects the practicality of the device.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a novel leg folding and stowing device comprises a top cross beam, an oblique support beam, a middle bracket, a first support block, a first support rod, a second support block, a folding assembly and a second support rod, wherein the bottom of the top cross beam is symmetrically provided with an oblique support beam, the bottom end of the oblique support beam is connected to the two sides of the middle bracket through a flange, a first support block is provided at the top center of the middle bracket, the first support block is symmetrically provided with a first support rod, the top of the first support rod is fixedly connected to the second support block by bolts, the second support block is symmetrically installed at the bottom of the top cross beam, the bottom of the second support block is connected to the fixed support rod in the folding assembly through a flange, a fixed bracket is provided at the bottom of one side of the fixed support rod, a connecting arm is rotatably connected to the fixed bracket, the connecting arm is fixed to the top of one side of the folding support leg, and a force-bearing bracket is provided on one side of the folding support leg, and a first hook is connected to the force-bearing bracket, the first hook is fixedly connected to the winding steel rope, and the winding steel rope is connected in a hand winch.

[0005] As a further technical solution of the utility model, the folding assembly is composed of a fixed support rod, a folding support leg, a fixed bracket, a connecting arm, a limiting bracket, a force-bearing bracket, a first hook, a second hook, a winding steel rope, a hand winch and a support arm, and a limiting bracket is provided on one side of the folding support leg.

[0006] As a further technical solution of the utility model, a second hook is provided on the hand chain hoist, the second hook is cooperatively connected to one end of the support arm, and the support arm is fixed to the top of one side of the fixed support rod.

[0007] As a further technical solution of the utility model, a second support rod is symmetrically arranged at the bottom center of the middle support, and the bottom end of the second support rod is fixed on the bottom cross beam.

[0008] As a further technical solution of the utility model, a fixed ladder is provided on one side of the top crossbeam, and a telescopic ladder is cooperatively connected to the fixed ladder.

[0009] As a further technical solution of the utility model, an inspection bracket is arranged on the fixed support rod, and the inspection bracket is fixed on the middle bracket.

[0010] As a further technical solution of the utility model, a support block is provided at the bottom of the folding leg, and the bottom of the support block is cooperatively connected to the bottom support.

[0011] The utility model provides a novel leg folding and stowing device, which has the advantages that: the folding mechanism of the device is composed of a fixed bracket and a connecting arm respectively connecting the fixed support rod and the folding support leg, and the hand chain hoist pulls the winding steel rope to provide tension to make the folding support leg and the connecting arm flip around the fixed support rod to realize the folding process of the folding support leg. The structure is simple, the transmission is stable, the installation space occupied is small, and the practicability of the device is improved; when the overall structure is assembled, the hand chain hoist releases the winding steel rope to make the folding support leg flip to the bottom of the fixed bracket, and then the fixed support rod and the folding support leg are fixed by the flange and then the bottom of the folding support leg is fixed on the bottom support to complete the overall assembly process. After assembly and fixation, the top crossbeam and the middle bracket are connected by the symmetrically arranged first support rod, and the middle bracket and the bottom crossbeam are connected by the second support rod to form a double triangle auxiliary support structure, which ensures the support stability of the overall structure after assembly and fixation and eliminates safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the folding component in a fixed assembly state;

[0015] Figure 3 It is a schematic diagram of the structure of the folding component in the folded and stowed state.

[0016] In the figure: 1. top crossbeam; 2. inclined support beam; 3. middle bracket; 4. first support block; 5. first support rod; 6. second support block; 7. folding assembly; 8. second support rod; 9. bottom crossbeam; 10. fixed ladder; 11. telescopic ladder; 12. maintenance bracket; 13. support block; 14. bottom support; 71. fixed support rod; 72. folding support leg; 73. fixed bracket; 74. connecting arm; 75. limit bracket; 76. load-bearing bracket; 77. first hook; 78. second hook; 79. retracting rope; 80. hand hoist; 81. support arm. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3The utility model provides an embodiment: a novel leg folding and stowing device, comprising a top cross beam 1, an oblique support beam 2, a middle bracket 3, a first support block 4, a first support rod 5, a second support block 6, a folding assembly 7 and a second support rod 8, the bottom of the top cross beam 1 is symmetrically provided with an oblique support beam 2, the bottom end of the oblique support beam 2 is connected to both sides of the middle bracket 3 through a flange, a first support block 4 is provided at the top center of the middle bracket 3, a first support rod 5 is symmetrically provided on the first support block 4, and the top of the first support rod 5 is fixedly connected to the second support rod 8 through bolts. The second support block 6 is symmetrically mounted on the bottom of the top crossbeam 1. The bottom of the second support block 6 is connected to the fixed support rod 71 in the folding assembly 7 through a flange. A fixed bracket 73 is provided at the bottom of one side of the fixed support rod 71. A connecting arm 74 is rotatably connected to the fixed bracket 73. The connecting arm 74 is fixed to the top of one side of the folding support leg 72. A force-bearing bracket 76 is provided on one side of the folding support leg 72. A first hook 77 is connected to the force-bearing bracket 76. The first hook 77 is fixedly connected to the winding rope 79. The winding rope 79 cooperates with the first hook 77 to connect the first hook 77. The folding assembly 7 is connected to the hand chain hoist 80; the folding assembly 7 is composed of a fixed support rod 71, a folding support leg 72, a fixed support 73, a connecting arm 74, a limit support 75, a force support 76, a first hook 77, a second hook 78, a retracting steel rope 79, a hand chain hoist 80 and a support arm 81. A limit support 75 is provided on one side of the folding support leg 72; a second hook 78 is provided on the hand chain hoist 80, and the second hook 78 is connected to one end of the support arm 81, and the support arm 81 is fixed to the top of one side of the fixed support rod 71; the bottom of the middle bracket 3 A second support rod 8 is symmetrically arranged at the center, and the bottom end of the second support rod 8 is fixed to the bottom cross beam 9; a fixed ladder 10 is arranged on one side of the top cross beam 1, and a telescopic ladder 11 is connected in cooperation with the fixed ladder 10; an inspection bracket 12 is arranged on the fixed support rod 71, and the inspection bracket 12 is fixed on the middle bracket 3; a support block 13 is arranged at the bottom of the folding support leg 72, and the bottom of the support block 13 is connected to the bottom support 14, and the support block 13 is used to connect the folding support leg 72 and the bottom support 14 to form an integral support structure when assembling and fixing;

[0020] The folding mechanism of the device is formed by connecting the fixed support rod 71 and the folding leg 72 with the connecting arm 74 respectively during use, and the hand winch 80 pulls the winding rope 79 to provide a pulling force to make the folding leg 72 and the connecting arm 74 flip around the fixed support rod 71 to realize the folding process of the folding leg 72. The structure is simple, the transmission is stable, the installation space occupied is small, and the practicality of the device is improved. When the overall structure is assembled, the hand winch 80 releases the winding rope 79 to make the folding leg 72 flip to the bottom of the fixed support rod 73. Then, the fixed support rod 71 and the folding leg 72 are fixed by the flange, and then the bottom of the folding leg 72 is fixed to the bottom support 14 to complete the overall assembly process. After assembly and fixation, the symmetrically arranged first support rod 5 connects the top crossbeam 1 and the middle support 3, and the second support rod 8 connects the middle support 3 and the bottom crossbeam 9 to form a double triangle auxiliary support structure, which ensures the support stability of the overall structure after assembly and fixation and eliminates safety hazards.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A novel leg folding and stowing device, comprising a top crossbeam (1), an oblique support beam (2), a middle support (3), a first support block (4), a first support rod (5), a second support block (6), a folding assembly (7) and a second support rod (8), characterized in that: The bottom of the top cross beam (1) is symmetrically provided with an oblique support beam (2), the bottom ends of the oblique support beam (2) are connected to the two sides of the middle support (3) through flange fitting, a first support block (4) is provided at the top center of the middle support (3), a first support rod (5) is symmetrically provided on the first support block (4), the top of the first support rod (5) is fixedly connected to the second support block (6) through bolts, the second support block (6) is symmetrically installed at the bottom of the top cross beam (1), and the bottom of the second support block (6) is connected to the folding assembly (7) through flange fitting. ) in the fixed support rod (71), a fixed bracket (73) is arranged at the bottom of one side of the fixed support rod (71), a connecting arm (74) is rotatably connected to the fixed bracket (73), the connecting arm (74) is fixed to the top of one side of the folding support leg (72), and a force-bearing bracket (76) is arranged on one side of the folding support leg (72), a first hook (77) is cooperatively connected to the force-bearing bracket (76), the first hook (77) is fixedly connected to the winding steel rope (79), and the winding steel rope (79) is cooperatively connected to the hand winch (80).

2. A novel leg folding and stowing device according to claim 1, characterized in that: The folding assembly (7) is composed of a fixed support rod (71), a folding support foot (72), a fixed bracket (73), a connecting arm (74), a limiting bracket (75), a force-bearing bracket (76), a first hook (77), a second hook (78), a retracting steel rope (79), a hand chain hoist (80) and a supporting arm (81), and a limiting bracket (75) is provided on one side of the folding support foot (72).

3. A novel leg folding and stowing device according to claim 2, characterized in that: The hand chain hoist (80) is provided with a second hook (78), and the second hook (78) is connected to one end of a support arm (81), and the support arm (81) is fixed to the top of one side of the fixed support rod (71).

4. The novel leg folding and stowing device according to claim 1 is characterized in that: A second support rod (8) is symmetrically arranged at the bottom center of the middle support (3), and the bottom end of the second support rod (8) is fixed on the bottom cross beam (9).

5. The novel leg folding and stowing device according to claim 1 is characterized in that: A fixed ladder (10) is provided on one side of the top crossbeam (1), and a telescopic ladder (11) is cooperatively connected to the fixed ladder (10).

6. The novel leg folding and stowing device according to claim 2 is characterized in that: The fixed support rod (71) is provided with an inspection support (12), and the inspection support (12) is fixed on the middle support (3).

7. The novel leg folding and stowing device according to claim 2 is characterized in that: A support block (13) is provided at the bottom of the folding support leg (72), and the bottom of the support block (13) is cooperatively connected to the bottom support (14).