A detachable flagpole structure and a method of installing the same

Abstract

This invention relates to the field of marine technology, specifically to a detachable flagpole structure and its installation method. The structure includes a flagpole comprising multiple detachably connected segmented flagpoles; a base with pre-drilled holes for vertical insertion of the flagpole; multiple support frames circumferentially spaced and connected to the base; and a pull rod mechanism. One side of each hole has an opening, allowing the bottom of the flagpole to rotate vertically along the opening. The pull rod mechanism drives the flagpole to rotate vertically along the opening. The detachable flagpole structure and installation method of this application facilitate disassembly and operation; the reasonable allocation of changes in flagpole diameter lowers the flagpole's center of gravity and the centroid of its wind-receiving area, while also meeting the bending resistance requirements during erection. It eliminates the need for cranes or other machinery for installation, making installation convenient and cost-effective.

Description

Technical Field

[0001] This invention relates to the field of marine technology, and specifically to a detachable flagpole structure and its installation method. Background Technology

[0002] Flagpoles are used for flag raising in schools, enterprises, public institutions, squares, and other places. Due to the height and installation requirements of flagpoles, existing technologies offer detachable flagpoles for water-based flag raising. However, the height of existing detachable flagpoles is generally no more than 12m, which cannot meet the needs of flag raising tasks at special heights. Furthermore, the installation of existing detachable flagpoles requires the assistance of cranes and other machinery, which is inconvenient and costly. This is especially true for flagpoles used on ships, where the use of cranes and other auxiliary installation methods is both costly and inconvenient. Summary of the Invention

[0003] This invention provides a detachable flagpole structure to solve the technical problem that existing detachable flagpoles require the use of cranes or other machinery for installation, which is inconvenient and costly, especially for flagpoles used on ships, where the cost of using cranes or other auxiliary equipment is high. Another objective of this invention is to provide an installation method.

[0004] The present invention provides a technical solution for a detachable flagpole structure, comprising:

[0005] The flagpole includes multiple detachably connected segmented flagpoles;

[0006] The base has a pre-drilled hole for vertically inserting the flagpole;

[0007] A support frame, wherein multiple support frames are provided, and each support frame is circumferentially spaced and connected to the base;

[0008] A pull rod mechanism is provided, wherein an opening is provided on one side of the insertion hole, and when the flagpole is placed horizontally at the opening, the pull rod mechanism is used to drive the flagpole to rotate from bottom to top along the opening.

[0009] As a preferred embodiment, the pull rod mechanism includes a pole support mechanism, and the base has a mounting hole for detachable and fixed installation with the pole support mechanism;

[0010] The pole erection mechanism extends upwards from the base, and a first driving component is detachably mounted on the pole erection mechanism. The first driving component is connected to the flagpole to rotate and stretch the flagpole from a horizontal position to an angle of 60 degrees with the horizontal plane.

[0011] As a preferred embodiment, the lever mechanism further includes a first link rotatably connected to a support frame on the open side, and a second link hinged to the first link. The end of the second link is hinged to the flagpole, and the hinge point between the second link and the flagpole is located above the vertically arranged first link.

[0012] The support member is provided with a second driving member connected to the tie rod mechanism to drive the first connecting rod and the second connecting rod to rotate. The second driving member stretches the flagpole from a range with an angle of 60 degrees to the horizontal plane to a vertical arrangement.

[0013] As a preferred embodiment, the pole mechanism includes a first support member and a second support member fixedly connected at an included angle. The bottoms of the first support member and the second support member are respectively connected to the base on the opposite side of the insertion hole. The first support member, the second support member, and the base form a triangular shape.

[0014] As a preferred embodiment, both the first support member and the second support member include multiple fixedly connected support rods.

[0015] As a preferred embodiment, both the first driving component and the second driving component are hand chain hoists;

[0016] The first drive unit uses a hand chain hoist that is detachably connected to the top of the pole at one end and detachably connected to the bottom of the flagpole at the other end.

[0017] The second drive unit uses a hand chain hoist with one end detachably connected to the base of the support frame and the other end detachably connected to the hinge joint between the first link and the second link.

[0018] As a preferred embodiment, the base is provided with a retaining plate at the top of the opening to stop the flagpole when it is rotated to the vertical position.

[0019] As a preferred embodiment, each segmented flagpole is fixedly provided with a sleeve at its end, and the sleeves of adjacent flagpoles are fixedly connected by bolts.

[0020] As a preferred embodiment, the base has multiple slots reserved on the circumferential edge of the insertion hole, and each of the support members is inserted into each of the slots. The base is provided with multiple pins that pass vertically through the reserved holes on the base and the support members.

[0021] As a preferred embodiment, each of the support frames is arranged as a frame structure with a triangular cross-section.

[0022] A method for installing a detachable flagpole structure, characterized in that:

[0023] S1, Multiple support frames are installed at even intervals around the base;

[0024] S2, insert the segmented flagpole at the bottom of the flagpole into the socket and place it horizontally at the opening, and install the last support frame on the base;

[0025] S3, connect the remaining segmented flagpoles to the bottom segmented flagpoles in sequence;

[0026] S4, using a lever mechanism to drive the flagpole to rotate upward along the opening to a vertical position.

[0027] As a preferred embodiment, the openings of each of the support frames and the base are arranged at angles of 0°, 90°, 180° and 270°, respectively.

[0028] As a preferred embodiment, step S4 includes raising the flagpole to approximately 60° with the horizontal using the first driving member;

[0029] The flagpole is raised to a vertical position using the second drive unit, and the clamping plate is installed.

[0030] Compared to existing technologies, the beneficial effects of this application are:

[0031] The detachable flagpole structure of this application includes a flagpole comprising multiple detachably connected segmented flagpoles. The detachable connection of the segmented flagpoles facilitates the transportation and installation of the flagpole, making installation and disassembly convenient. A base has pre-drilled holes for vertical insertion of the flagpole, and the base is fixed to the ground or ship deck. Multiple support frames are provided, each circumferentially spaced and connected to the base, supporting and fixing the base. A pull rod mechanism has an opening on one side of the holes, allowing the bottom of the flagpole to rotate up and down along the opening. The pull rod mechanism drives the flagpole to rotate up and down along the opening, achieving a vertical position. The detachable flagpole structure and installation method of this application feature a stable base and support frame structure, ensuring the flagpole will not tip over in winds up to force 8 after being erected. The flagpole comprises multiple segmented flagpoles, with adjacent segmented flagpoles welded with threaded structures for easy installation. A pulley is installed at the top of the flagpole for raising the flag. The flagpole can be directly assembled on-site, and after assembly, a pole erection mechanism is used to straighten the flagpole. This application facilitates disassembly and operation; it rationally allocates changes in flagpole diameter, lowering the flagpole's center of gravity and the centroid of the wind-receiving area, while also meeting the bending resistance requirements during the erection process (the flagpole's own weight generates bending moments). It eliminates the need for cranes or other machinery to assist in installation, making it convenient and cost-effective. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the detachable flagpole structure of the present invention;

[0033] Figure 2 yes Figure 1 A top-down view;

[0034] Figure 3This is a structural diagram of the base;

[0035] Figure 4 yes Figure 3 Top view;

[0036] Figure 5 This is a structural schematic diagram of the support frame;

[0037] Figure 6 This is a schematic diagram of step S2 of the installation method for the detachable flagpole structure;

[0038] Figure 7 This is a schematic diagram of step S3;

[0039] Figure 8 This is a diagram of step S4. Figure 1 ;

[0040] Figure 9 This is a diagram of step S4. Figure 2 .

[0041] Among them, 1. base, 31. mounting hole, 32. insertion hole, 33. opening, 2. support frame, 3. segmented flagpole, 4. first driving component, 5. first connecting rod, 6. second connecting rod, 7. second driving component, 8. pole erecting mechanism, 81. first support component, 82. second support component, 9. clamping plate, 10. sleeve, 12. rotating shaft. Detailed Implementation

[0042] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0043] A preferred embodiment of the detachable flagpole structure of the present invention, such as... Figures 1 to 5As shown, the flagpole includes multiple detachable segmented flagpoles 3. The detachable connection of the segmented flagpoles 3 facilitates the transportation and installation of the flagpole, making installation and disassembly convenient. A base 1 has pre-drilled holes 32 for vertical insertion of the flagpole and is fixed to the ground or ship deck. Multiple support frames 2 are provided, each circumferentially spaced and connected to the base 1, supporting and fixing the base 1. A pull rod mechanism has an opening 33 on one side of the holes 32, allowing the bottom of the flagpole to rotate up and down along the opening 33. The pull rod mechanism drives the flagpole to rotate up and down along the opening 33, achieving a vertical position. The detachable flagpole structure and installation method of this application, including the stable structure of the base 1 and support frame 2, ensure that the flagpole will not tip over in an 8-level wind after being erected. The flagpole includes multiple segmented flagpoles 3, with adjacent segmented flagpoles 3 welded with threaded structures for easy installation. A pulley is installed at the top of the flagpole for raising the flag. The flagpole can be directly assembled on-site, and after assembly, an erecting mechanism 8 is used to straighten the flagpole. This application facilitates disassembly and operation; it rationally allocates changes in flagpole diameter, lowering the flagpole's center of gravity and the centroid of the wind-receiving area, while also meeting the bending resistance requirements during the erection process (the flagpole's own weight generates bending moments). It eliminates the need for cranes or other machinery to assist in installation, making it convenient and cost-effective.

[0044] In a specific embodiment of this application, the pull rod mechanism includes a pole, and a mounting hole 31 is provided on the base 1 for detachable and fixed installation with the pole. Specifically, components such as lugs are welded onto the base 1, the lugs are fixed to the upper part of the base 1, and the mounting hole 31 is provided on the lugs. The pole mechanism 8 extends upward from the base 1, and a first driving member 4 is detachably installed on the pole mechanism 8. The first driving member 4 is connected to the flagpole to rotate and stretch the flagpole from a horizontal position to an angle of approximately 60 degrees with the horizontal plane. Specifically, the pole mechanism 8 is located on the upper part of the flagpole, and the first driving member 4 stretches the flagpole from bottom to top, causing the flagpole to rotate to an angle of approximately 60 degrees with the horizontal plane.

[0045] In a further embodiment of this application, the pole erection mechanism 8 includes a first support member 81 and a second support member 82 fixedly connected at an included angle. The bottoms of the first support member 81 and the second support member 82 are respectively connected to the base 1 on opposite sides of the insertion hole 32. The first support member 81, the second support member 82, and the base 1 form a triangle. Specifically, the first support member 81 and the second support member 82 are trapezoidal in shape with triangular sides to form a stable support structure. At the same time, the first support member 81 and the second support member 82 are detachably fixed to the base 1 by bolts. After the flagpole is rotated to about 60 degrees and can be positioned, the pole erection mechanism 8 can be disassembled to avoid affecting the rotation of the flagpole.

[0046] In a further embodiment of this application, the first support member 81 and the second support member 82 both include a plurality of fixedly connected support rods, and each support member is welded and fixedly connected. The first support member 81 and the second support member 82 are also triangular in shape to facilitate stable force distribution.

[0047] In a preferred embodiment of this application, the pull rod mechanism further includes a first connecting rod 5 rotatably connected to the support frame 2 on the side of the opening 33, and a second connecting rod 6 hinged to the first connecting rod 5. The end of the second connecting rod 6 is hinged to the upper part of the flagpole, and the hinge point between the second connecting rod 6 and the flagpole is located above the vertically arranged first connecting rod 5. The hinge of the first connecting rod 5 and the second connecting rod 6 to the flagpole, and the rotatable connection between the bottom of the flagpole and the base 1, form a stable linkage mechanism. Simultaneously, a second driving member 7 is provided on the support member, connected to the pull rod mechanism to drive the first connecting rod 5 and the second connecting rod 6 to rotate. The second driving member 7 stretches the flagpole from a range with an angle of 60 degrees to the horizontal plane to a vertical arrangement. Specifically, both ends of the second driving member 7 are respectively connected to the base 1 and the rotatable connection point between the first connecting rod 5 and the second connecting rod 6. When the second driving member 7 is rotated, it can drive the linkage mechanism to rotate, causing the flagpole to rotate to a vertical state.

[0048] Furthermore, in the specific implementation of this application, both the first driving component 4 and the second driving component 7 are hand-operated hoists; one end of the hand-operated hoist used in the first driving component 4 is detachably connected to the top of the pole, and the other end is detachably connected to the bottom of the flagpole, so that the flagpole can be directly driven to rotate to an angle of approximately 60 degrees using the hand-operated hoist.

[0049] In a preferred embodiment of this application, a locking plate 9 is provided on the base 1 at the top of the opening 33 to stop the flagpole when it rotates to the vertical position. A slot is reserved on the base 1, and the perforated plate is placed directly in the slot. No bolts are installed on the top of the opening 33 to fix the locking plate 9, so that the locking plate 9 can fix the flagpole.

[0050] In a preferred embodiment of this application, the connection relationship of each segment flagpole 3 is as follows: each segment flagpole 3 is fixedly provided with a sleeve 10 at its end. The sleeve 10 can be welded and fixed to the flagpole. Bolt holes are reserved on the sleeve 10. The sleeves 10 of adjacent flagpoles are fixedly connected by bolts, so that the installation and disassembly of the segment flagpole 3 are convenient.

[0051] In a preferred embodiment of this application, the base 1 and the support frame 2 are specifically connected as follows: the base 1 has multiple slots reserved on the circumferential edge of the insertion hole 32, and each support frame 2 is inserted into each slot. The base 1 is provided with multiple pins that pass vertically through the holes reserved on the base 1 and the support member, and the support frame 2 and the base 1 are fixed by the pins. The installation and disassembly are convenient.

[0052] In the specific implementation of this application, each support frame 2 is arranged as a triangular frame structure, which increases its stability. In the specific implementation, the support frame 2 is formed by welding and fixing multiple rods together.

[0053] Furthermore, a rotating hole is provided at the bottom, and a rotating shaft is inserted through the rotating hole. The two ends of the rotating shaft 12 are fixed or rotatably mounted on the base 1. The flagpole can rotate around the rotating shaft 12 along the opening 33 to realize the rotating connection between the flagpole and the base 1.

[0054] The detachable flagpole structure of this application is an assembly type. The structural design controls the weight of each assembly structure, facilitating disassembly and operation. The reasonable distribution of changes in the flagpole diameter lowers the flagpole's center of gravity and the centroid of the wind-receiving area, while also meeting the bending resistance requirements during erection (the flagpole's own weight generates a bending moment). A rotating shaft 12 is installed at the bottom of the flagpole, providing rotational capability. After ground assembly, it can be uprighted via a pull rod mechanism. When the pull rod mechanism is folded, a hoist provides tension, causing the folded section to open and lifting the flagpole upright. Threaded structures (threaded sleeve connections) are welded to the segmented flagpole 3 for detachable connection of the segmented flagpole 3, effectively controlling gaps and ensuring the flagpole's straightness.

[0055] A method for installing a detachable flagpole structure, such as Figures 6 to 9 As shown, the detachable flagpole consists of a base 1, a support, a main flagpole, and an erection mechanism 8. The various structures are connected by pins or bolts, which facilitates assembly, disassembly, and transportation.

[0056] During installation, the selected location must have a relatively flat ground surface (a 7m x 7m area and a relatively flat surface in a certain direction) and be relatively horizontal. Tilting will affect wind resistance. The base 1 and the outermost support must be firmly grounded (not sinking). If necessary, it can be leveled and solidified by using sleepers or other means. The installation steps are as follows: S1, install multiple support frames 2 evenly spaced around the base 1; specifically, first install support frames 2 with openings 33 of the base 1 at 0°, 90°, and 180° angles respectively; S2, insert the segmented flagpole 3 at the bottom of the flagpole into the insertion hole 32 and place it horizontally at the opening 33. Install the last support frame 2 on the base 1, specifically installing the support frame 2 with openings 33 of the base 1 at 270° angles respectively; S3, connect the remaining segmented flagpole 3 to the bottom segmented flagpole 3 in sequence; S4, use the pull rod mechanism to drive the flagpole to rotate upwards along the opening 33 to a vertical position.

[0057] Specifically, step S4 includes using the first driving component 4 to raise the flagpole to approximately 60° with the horizontal. During the raising process, the end of the flagpole will sway, requiring the hoist to be pulled slowly and at a constant speed. Then, using the second driving component 7, the flagpole is raised to a vertical position, and the clamping plate 9 is installed. Specifically, the second driving component 7 is used to tighten the flagpole, then the first driving component 4 is removed, and the second driving component 7 is used to raise the flagpole to a vertical position. Finally, the clamping plate 9 and the clamping plate 9 bolts are installed to position the flagpole.

[0058] Furthermore, this also includes lowering the flagpole, which is the reverse of the erection process. When lowering the flagpole, an upright flagpole needs to be manually pushed at a small angle before it can be lowered.

[0059] In the specific implementation of this application, before step S4, the flag-raising rope is installed on the flagpole, and the flag can be raised after the flagpole is erected; during typhoons, the flag needs to be taken down, and the flagpole is laid down or taken down; when disassembling or installing the flagpole, check the lubrication of the flagpole threads and add lubricating oil as needed to prevent rust; other parts are regularly inspected and maintained.

[0060] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0061] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

[0062] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.

Claims

1. A detachable flagpole structure, characterized by, The utility model provides a detachable flagpole structure, which comprises a flagpole, a base, a plurality of support frames and a pull rod mechanism. The flagpole comprises a plurality of detachably connected sectional flagpoles. The base is provided with a socket for vertically inserting the flagpole. Each of the support frames is circumferentially spaced and connected to the base. The pull rod mechanism is provided with an opening on one side of the socket. When the flagpole is horizontally placed at the opening, the pull rod mechanism is used to drive the flagpole to rotate upward along the opening. The pull rod mechanism comprises a vertical rod mechanism. The base is provided with a mounting hole for detachably mounting the vertical rod mechanism. The vertical rod mechanism extends upward from the base. A first driving member is detachably mounted on the vertical rod mechanism.

2. The detachable flagpole structure of claim 1, wherein: The first driving member is connected to the flagpole.

3. The detachable flagpole structure of claim 1, wherein: The first driving member is used to rotate and stretch the flagpole from horizontal placement to an angle of 60 degrees with the horizontal plane. The vertical rod mechanism comprises a first support and a second support which are fixedly connected at an angle. The bottom of the first support and the bottom of the second support are respectively connected to the base on opposite sides of the socket.

4. The detachable flagpole structure of claim 1, wherein: The first support, the second support and the base are enclosed in a triangular shape.

5. The detachable flagpole structure of claim 1, wherein: The pull rod mechanism further comprises a first connecting rod rotatably connected to the support frame on the side of the opening.

6. The detachable flagpole structure of claim 1, wherein: A second connecting rod is hingedly connected to the first connecting rod.

7. The detachable flagpole structure of claim 1, wherein: The end of the second connecting rod is hingedly connected to the flagpole. The hinge connection between the second connecting rod and the flagpole is located at the upper part of the vertically arranged first connecting rod. The support is provided with a second driving member connected to the pull rod mechanism. The second driving member is used to drive the first connecting rod and the second connecting rod to rotate. The second driving member is used to stretch the flagpole from an angle of 60 degrees with the horizontal plane to a vertical arrangement. The first support and the second support each comprise a plurality of fixedly connected support rods. The first driving member and the second driving member are both hand-operated hoists. One end of the hand-operated hoist used by the first driving member is detachably connected to the top of the vertical rod. The other end of the hand-operated hoist is detachably connected to the lower part of the flagpole. One end of the hand-operated hoist used by the second driving member is detachably connected to the base of the support frame. The other end of the hand-operated hoist is detachably connected to the hinge connection between the first connecting rod and the second connecting rod. The base is provided with a clamping plate at the top of the opening. The end of each sectional flagpole is fixedly provided with a sleeve. The sleeves of adjacent flagpoles are fixedly connected by bolts. The circumferential edge of the base at the socket is provided with a plurality of grooves. Each support is respectively inserted into each groove. The base is provided with a plurality of insertion pins which vertically pass through the openings provided on the base and the support. Each support frame is arranged as a frame structure with a triangular cross section.

8. A mounting method using the detachable flagpole structure according to any one of claims 1-7, comprising the following steps: S1, installing a plurality of support frames on the base at uniform intervals in the circumferential direction; S2, inserting the sectional flagpole at the bottom of the flagpole into the socket and horizontally placing it at the opening, and installing the last support frame on the base; S3, sequentially connecting the remaining sectional flagpoles to the sectional flagpole at the bottom; S4, using the pull rod mechanism to drive the flagpole to rotate upward along the opening to a vertical state. The step S4 comprises lifting the flagpole to 60° with the horizontal by the first driving member; Lifting the flagpole to the vertical state by the second driving member and installing the clamping plate.

9. The method of mounting of claim 8, wherein: Each of the support frames is arranged at an included angle of 0°, 90°, 180° and 270° with the opening of the base, respectively.

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