Adjustable cross structure adapter for keel fixing and fixing method thereof

The adjustable cross-structure adapter's internal fixing mechanism and position adjustment mechanism solve the problem of the keel adapter's inability to be adjusted, increasing the load-bearing area, preventing keel deformation, and improving connection stability and service life.

CN122304471APending Publication Date: 2026-06-30CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP
Filing Date
2026-04-03
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing keel adapters cannot be easily adjusted, and when connected to C-shaped keels, the load-bearing area is small, which can easily lead to deformation and misalignment of the keel opening area.

Method used

An adjustable cross-structure adapter is adopted, including an internal fixing mechanism and a position adjustment mechanism. Through the tension adjustment component and the negative pressure adsorption component, the pre-limit and multi-directional position adjustment of the keel can be realized, increasing the load-bearing area and preventing deformation.

Benefits of technology

It effectively prevents deformation of the keel during long-term use, improves connection stability and service life, and is suitable for buildings with irregular installation parameters.

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Abstract

This invention relates to the field of decoration technology and discloses an adjustable cross-structure adapter for fixing keel and its fixing method. The adapter includes: two sets of internal fixing mechanisms, each comprising a telescopic pre-limiting component, a tension adjustment component, a sealing telescopic component, and a negative pressure adsorption component; and a position adjustment mechanism connected between the two sets of internal fixing mechanisms, comprising an angle adjustment component one, a distance adjustment component, and an angle adjustment component two. The telescopic pre-limiting component in the internal fixing mechanism of this invention can form a pre-limiting position with the keel and is applicable to keels of different thicknesses. Then, the sealing telescopic component is adjusted by the tension adjustment component. While adjusting the tension force between the telescopic pre-limiting component and the keel, the negative pressure adsorption component generates a set suction force on the keel, thereby increasing and dispersing the load-bearing area of ​​the keel, effectively preventing deformation of the keel over long-term use. The two sets of internal fixing mechanisms can be adjusted in multiple directions through the position adjustment mechanism.
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Description

Technical Field

[0001] This invention relates to the field of decoration technology, and more specifically, to an adjustable cross-structure adapter for fixing keel and its fixing method. Background Technology

[0002] A keel is a building material used to support shapes and fix structures. In the field of interior decoration, wall decoration is a key area of ​​interior space decoration and renovation. Wall decoration can protect the walls, enhance their strength and durability, and extend their service life. The keel is the framework required for the installation of decorative structures. There are many types of keels. According to the different materials used, they can be divided into wood keels, light steel keels, aluminum alloy keels, steel keels, etc. According to the location of use, they can be divided into ceiling keels, vertical wall keels (partition wall keels), floor keels, and hanging keels, etc. Currently, most common cross-connectors between keels have pre-defined parameters that cannot be easily adjusted. Furthermore, for some C-shaped keels, the load-bearing area of ​​the connection between the adapter and the keel is small and mostly located at the opening of the C-shaped keel. Over time, this may cause deformation of the opening area of ​​the C-shaped keel, resulting in misalignment of other keels. Summary of the Invention

[0003] The purpose of this invention is to provide an adjustable cross-structure adapter for keel fixing and a fixing method thereof in order to solve the above-mentioned problems.

[0004] This invention provides an adjustable cross-structure adapter for keel fixing, comprising: Two sets of internal fixation mechanisms, each including a telescopic pre-limiting component, a tension adjustment component connected to the telescopic pre-limiting component, a sealed telescopic component located inside the telescopic pre-limiting component, and a negative pressure adsorption component located at one end of the telescopic pre-limiting component and connected to the sealed telescopic component. The telescopic pre-limiting component is used to contact the inner wall of the keel and apply a preset tension force to the inner wall of the keel. The movable end of the sealed telescopic component is threadedly connected to the tension adjustment component. The tension adjustment component is used to drive the movable end of the sealed telescopic component to move toward the other end of the telescopic pre-limiting component. The sealed telescopic component is used to adjust the tension force applied by the telescopic pre-limiting component to the inner wall of the keel and the negative pressure value inside the negative pressure adsorption component. A position adjustment mechanism is connected between two sets of internal fixing mechanisms. The position adjustment mechanism includes an angle adjustment component one, a distance adjustment component fixedly connected to the movable end of the angle adjustment component one, and an angle adjustment component two fixedly connected to the other end of the distance adjustment component. The fixed end of the angle adjustment component one is perpendicularly connected to the other end of one of the tension adjustment components. The angle adjustment component one is used to drive the distance adjustment component to rotate around the central axis of the angle adjustment component one by a set angle. The distance adjustment component is used to adjust the distance between the angle adjustment component one and the angle adjustment component two. The angle adjustment component two is connected to the other end of the other tension adjustment component. The angle adjustment component two is used to adjust the included angle between the other tension adjustment component and the distance adjustment component.

[0005] As a further optimization of the present invention, the telescopic pre-limiting component includes an inner hoop plate 1, an inner hoop plate 2 arranged parallel to the inner hoop plate 1, a plurality of telescopic rods 1 connected between the inner hoop plate 1 and the inner hoop plate 2, and a spring. The plurality of telescopic rods 1 are evenly distributed between the inner hoop plate 1 and the inner hoop plate 2, and the spring is sleeved on the outside of the telescopic rods 1.

[0006] As a further optimization of the present invention, the tension adjustment assembly includes a guide connecting rod, a threaded tube II movably connected to the guide connecting rod, and a rotating ring connected to one end of the threaded tube II away from the inner hoop plate I. One end of the guide connecting rod is fixedly connected to the center of the inner hoop plate I, and the inner hoop plate II is provided with a through hole I that mates with the threaded tube II.

[0007] As a further optimization of the present invention, the sealed telescopic assembly includes a first telescopic bellows tube and a second telescopic bellows tube arranged coaxially, and a sealing ring plate arranged parallel to the first inner hoop plate. One end of the first telescopic bellows tube and the second telescopic bellows tube are fixedly connected to the first inner hoop plate, and the other end of the first telescopic bellows tube and the second telescopic bellows tube are fixedly connected to the sealing ring plate. The sealing ring plate is provided with a second through hole that mates with the second threaded tube. The first threaded tube is connected to the sealing ring plate, and the first threaded tube is threadedly connected to the second threaded tube. A sealed chamber is formed between the first telescopic bellows tube, the second telescopic bellows tube, the sealing ring plate, and the first inner hoop plate. The internal space of the negative pressure adsorption assembly is connected to the sealed chamber.

[0008] As a further optimization of the present invention, a plurality of connecting plates are fixedly connected to the sealing ring plate, and a telescopic rod is connected between the connecting plate and the inner hoop plate.

[0009] As a further optimization of the present invention, the negative pressure adsorption assembly includes an annular adsorption groove disposed on an inner hoop plate, a plastic ring connected to the opening of the annular adsorption groove, and a plurality of vent holes disposed on the inner hoop plate. The plastic ring seals the opening area of ​​the annular adsorption groove, and both ends of the plurality of vent holes are respectively connected to the sealed chamber and the annular adsorption groove.

[0010] As a further optimization of the present invention, the angle adjustment component includes a connecting block, a rotating chamber disposed inside the connecting block, a rotating block disposed inside the rotating chamber, a screw hole disposed on the outer wall of the connecting block and communicating with the rotating chamber, and a limiting knob threadedly connected to the screw hole. The length of the limiting knob is greater than the length of the screw hole. The limiting knob is fixedly connected to one of the guide connecting rods. The central axis of the rotating block is perpendicularly intersecting the central axis of one of the guide connecting rods.

[0011] As a further optimization of the present invention, the distance adjustment component includes a screw, a square limiting slider fixedly connected to one end of the screw, a fixed sleeve sleeved on the screw, a square sliding groove provided inside the fixed sleeve, and a rotating nut movably connected to one end of the fixed sleeve. The square sliding groove is matched with the square limiting slider, the rotating nut is threadedly connected to the screw, and the other end of the fixed sleeve is fixedly connected to the angle adjustment component.

[0012] As a further optimization of the present invention, the angle adjustment component two includes a hinge frame one, a limiting bolt detachably connected to the hinge frame one, and a hinge frame two connected to the hinge frame one via the limiting bolt. The hinge frame one is fixedly connected to the other end of the fixed sleeve, and the hinge frame two is fixedly connected to another guide connecting rod.

[0013] A method for fixing an adjustable cross-structure adapter for keel fixing, using the aforementioned adjustable cross-structure adapter for keel fixing, includes the following steps: Step 1: Disassemble angle adjustment component 2. Connect the internal fixing mechanism, which connects angle adjustment component 1, distance adjustment component and part of angle adjustment component 2, to the fixed keel. When connecting, insert the telescopic pre-limit component from the port of the keel and move it to the corresponding position on the keel. Rotate the tension adjustment component until the sealed telescopic component applies a preset tension force to the telescopic pre-limit component. Step 2: Adjust the rotation angle of the angle adjustment component one and the extension length of the distance adjustment component according to the set parameters; Step 3: Insert the internal fixing mechanism connected to the other part of the angle adjustment component 2 into the port of the unfixed keel and move it to the corresponding position on the keel. Rotate the tension adjustment component until the sealed telescopic component applies a preset tension force to the telescopic pre-limit component. Reassemble and connect the angle adjustment component 2, and after adjusting the angle between the unfixed keel and the distance adjustment component, lock the angle adjustment component 2.

[0014] The beneficial effects of this invention are as follows: the telescopic pre-limiting component in the internal fixation mechanism of this invention can form a pre-limiting position with the keel and is applicable to keels of different thicknesses. Then, the sealing telescopic component is adjusted by the tension adjustment component. While adjusting the tension force between the telescopic pre-limiting component and the keel, the negative pressure adsorption component can generate a set suction force on the keel, thereby increasing and dispersing the load-bearing area of ​​the keel, which can effectively prevent the keel from deforming after long-term use. The two sets of internal fixation mechanisms can be adjusted in multiple directions by the position adjustment mechanism, so that one set of internal fixation mechanisms can be adjusted arbitrarily within the set area with the other set of internal fixation mechanisms as the base point, which is applicable to buildings with irregular installation parameters. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ; Figure 3 This is the invention Figure 1 A partial sectional view; Figure 4 This is the invention Figure 3 An enlarged view of point A in the image; Figure 5 This is the invention Figure 3 An enlarged view of point B in the image; Figure 6 This is the invention Figure 3 A magnified view of point C in the image; Figure 7 This is the invention Figure 3 A magnified view of point D in the image.

[0016] In the diagram: 1. Internal fixing mechanism; 101. Inner hoop plate one; 102. Inner hoop plate two; 103. Guide connecting rod; 104. Telescopic rod one; 105. Spring; 106. Telescopic bellows one; 107. Telescopic bellows two; 108. Sealing ring plate; 109. Threaded pipe one; 110. Threaded pipe two; 111. Annular adsorption groove; 112. Plastic ring; 113. Vent hole; 114. Rotating ring; 115. Connecting plate; 116. Telescopic rod two; 2. Position Adjustment mechanism; 21. Angle adjustment component one; 2101. Connecting block one; 2102. Rotating block; 2103. Screw hole; 2104. Limit knob; 22. Distance adjustment component; 2201. Screw; 2202. Square limit slider; 2203. Fixing sleeve; 2204. Square slide groove; 2205. Rotating nut; 23. Angle adjustment component two; 2301. Hinge frame one; 2302. Hinge frame two; 2303. Limit bolt; 3. Keel. Detailed Implementation

[0017] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed merely to enable those skilled in the art to better understand and implement the subject matter described herein. Furthermore, features described in some examples may be combined in other examples.

[0018] like Figures 1 to 7 As shown, an adjustable cross-structure adapter for keel fixing includes: Two sets of internal fixation mechanisms 1, each internal fixation mechanism 1 includes a telescopic pre-limiting component, a tension adjustment component connected to the telescopic pre-limiting component, a sealed telescopic component located inside the telescopic pre-limiting component, and a negative pressure adsorption component located at one end of the telescopic pre-limiting component and connected to the sealed telescopic component. The telescopic pre-limiting component is used to contact the inner wall of the keel 3 and apply a preset tension force to the inner wall of the keel 3. The movable end of the sealed telescopic component is threadedly connected to the tension adjustment component. The tension adjustment component is used to drive the movable end of the sealed telescopic component to move toward the other end of the telescopic pre-limiting component. The sealed telescopic component is used to adjust the tension force applied by the telescopic pre-limiting component to the inner wall of the keel 3 and the negative pressure value inside the negative pressure adsorption component. A position adjustment mechanism 2 is connected between two sets of internal fixed mechanisms 1. The position adjustment mechanism 2 includes an angle adjustment component 1 21, a distance adjustment component 22 fixedly connected to the movable end of the angle adjustment component 1 21, and an angle adjustment component 23 fixedly connected to the other end of the distance adjustment component 22. The fixed end of the angle adjustment component 1 21 is perpendicularly connected to the other end of one of the tension adjustment components. The angle adjustment component 1 21 is used to drive the distance adjustment component 22 to rotate around the central axis of the angle adjustment component 1 21 to a set angle. The distance adjustment component 22 is used to adjust the distance between the angle adjustment component 1 21 and the angle adjustment component 23. The angle adjustment component 23 is connected to the other end of the other tension adjustment component. The angle adjustment component 23 is used to adjust the included angle between the other tension adjustment component and the distance adjustment component 22.

[0019] It should be noted that when connecting multiple sets of keels 3 using the adjustable cross-structure adapter as described above, the following steps are included: Step 1: Disassemble angle adjustment component 23. Connect the internal fixing mechanism 1, which connects angle adjustment component 1 21, distance adjustment component 22, and part of angle adjustment component 23, to the fixed keel 3. During connection, insert the telescopic pre-limit component from the port of the keel 3 and move it to the corresponding position on the keel 3. Because the telescopic pre-limit component has a set elasticity, its thickness is usually greater than the overall thickness of the keel 3. That is, when inserting it from the current port of the keel 3, the telescopic pre-limit component needs to be compressed first so that its thickness is lower than the current thickness of the keel 3 to facilitate its insertion from the port of the keel 3. After it moves to the set position on the keel 3, it is initially limited by 3. At this time, the tension adjustment component can be rotated with one hand to facilitate the worker to adjust the fixation between the telescopic pre-limit component and the keel 3. As the tension adjustment component rotates, the movable end of the sealed telescopic component moves away from the current keel 3 and is in a stretched state until its movable end contacts the inner wall of the telescopic pre-limit component and begins to provide expansion thrust. This allows the telescopic pre-limit component to gradually increase the tension force applied to the keel 3 until it stops at the set parameter, which is determined according to the thickness of the current keel 3. During this process, as the sealed telescopic component elongates, its internal space gradually increases, generating negative pressure. This negative pressure acts on the negative pressure adsorption component, causing the negative pressure adsorption component to generate suction force on the area in contact with the keel 3. This suction force can effectively relieve the bearing pressure at the opening area of ​​the current keel 3, thereby increasing the service life of the keel 3 and effectively preventing deformation during long-term use, which would cause the position of the corresponding keel in the area to change. Step 2: Adjust the rotation angle of the angle adjustment component 21 and the extension length of the distance adjustment component 22 according to the set parameters; Step 3: Insert the inner fixing mechanism 1, which is connected to the other part of the angle adjustment component 23, into the port of the unfixed keel 3 and move it to the corresponding position on the keel 3. Rotate the tension adjustment component until the sealed telescopic component applies a preset tension force to the telescopic pre-limit component. Reassemble and connect the angle adjustment component 23, and adjust the angle between the unfixed keel 3 and the distance adjustment component 22 before locking the angle adjustment component 23. After locking the angle adjustment component 23, a preset friction torque can be generated.

[0020] In an optional embodiment of the invention, such as Figures 1 to 4 As shown, the telescopic pre-limiting assembly includes an inner hoop plate 101, an inner hoop plate 2 102 arranged parallel to the inner hoop plate 101, a plurality of telescopic rods 104 connected between the inner hoop plate 101 and the inner hoop plate 2 102, and a spring 105. The plurality of telescopic rods 104 are evenly distributed between the inner hoop plate 101 and the inner hoop plate 2 102, and the spring 105 is sleeved on the outside of the telescopic rods 104.

[0021] It should be noted that, as mentioned above, when inserting the telescopic pre-limiting component from the port of the keel 3, the inner hoop plate 2 102 is first squeezed to move towards the inner hoop plate 1 101, thereby compressing the distance between them and allowing it to enter from the port of the keel 3. After moving to the set position within the keel 3, the elastic force of the spring 105 between the inner hoop plate 1 101 and the inner hoop plate 2 102 allows them to be pre-limited to the set position of the keel 3 under the elastic force. At this time, the tension adjustment component can be rotated with one hand. Because the resistance torque on the rotation of the tension adjustment component is small, the inner hoop plate 1 101 and the inner hoop plate 2 102 can remain stable. As the tension adjustment component rotates, the threaded sealed telescopic component begins to extend and adjusts the air pressure inside the negative pressure adsorption component, allowing the negative pressure adsorption component to adsorb onto the area in contact with the keel 3. As the tension adjustment component continues to rotate, the negative pressure suction force generated between the negative pressure adsorption component and the keel 3 gradually increases, thereby providing a more stable limiting effect for the inner hoop plate 101 until the moving end of the sealed telescopic component contacts the inner hoop plate 202 and applies a set pressure to the inner hoop plate 202. This allows the inner hoop plate 202 to contact the corresponding area on the inner wall of the keel 3 with the set pressure, so that the inner hoop plate 101 and the inner hoop plate 202 can be tightly connected to the inside of the keel 3 with a set spacing. Furthermore, the adsorption force of the negative pressure adsorption component can effectively alleviate the deformation effect of the inner hoop plate 202 on the opening area of ​​the keel 3, so that the entire telescopic pre-limiting component can form a structure similar to an integral part with the corresponding area of ​​the keel 3, thereby improving the service life of the keel 3 and the connection stability between the two keels 3, and preventing deformation caused by uneven force or excessive load in the opening area of ​​the keel 3.

[0022] In an optional embodiment of the invention, such as Figures 1 to 5 As shown, the tension adjustment assembly includes a guide connecting rod 103, a threaded tube 110 movably connected to the guide connecting rod 103, and a rotating ring 114 connected to one end of the threaded tube 110 away from the inner hoop plate 101. One end of the guide connecting rod 103 is fixedly connected to the center of the inner hoop plate 101. The inner hoop plate 102 is provided with a through hole that mates with the threaded tube 110.

[0023] It should be noted that the guide connecting rod 103 is fixedly connected to the inner hoop plate 101, serving as the main load-bearing frame for connection with the angle adjustment component 21 or the angle adjustment component 23. When adjusting the length of the sealed telescopic component as described above, the rotating ring 114 can be rotated to drive the threaded tube 110 to rotate. Since the threaded tube 110 is threadedly connected to the movable end of the sealed telescopic component, when the threaded tube 110 rotates, it can drive the sealed telescopic component to extend without affecting the distance between the inner hoop plate 101 and the inner hoop plate 202. The rotation of the rotating ring 114 can be stopped when the movable end of the sealed telescopic component contacts the inner hoop plate 202 and generates a set resistance torque, making it impossible for the rotating ring 114 to continue rotating.

[0024] In an optional embodiment of the invention, such as Figures 1 to 4 and Figure 7 As shown, the sealed telescopic assembly includes a first telescopic bellows 106 and a second telescopic bellows 107 arranged coaxially, and a sealing ring plate 108 arranged parallel to the inner hoop plate 101. One end of the first telescopic bellows 106 and the second telescopic bellows 107 are fixedly connected to the inner hoop plate 101, and the other end is fixedly connected to the sealing ring plate 108. The sealing ring plate 108 is provided with a second through hole that mates with the second threaded pipe 110. A first threaded pipe 109 is connected to the sealing ring plate 108. The first threaded pipe 109 is threadedly connected to the second threaded pipe 110. A sealed chamber is formed between the first telescopic bellows 106, the second telescopic bellows 107, the sealing ring plate 108, and the inner hoop plate 101. The internal space of the negative pressure adsorption assembly is connected to the sealed chamber.

[0025] Several connecting plates 115 are fixedly connected to the sealing ring plate 108, and a telescopic rod 116 is connected between the connecting plate 115 and the inner hoop plate 101.

[0026] It should be noted that, as mentioned above, when rotating the threaded pipe 110, because the threaded pipe 109 connected to the sealing ring plate 108 is threadedly connected to the threaded pipe 110, and under the limiting action of the multiple sets of telescopic rods 116 and the connecting plate 115, the threaded pipe 109 can move along the length of the threaded pipe 110 under the drive of the threaded pipe 110, that is, move towards the inner hoop plate 102, until the sealing ring plate 108 contacts the inner hoop plate 102 and generates a corresponding compressive force, and then stops. The pressure applied by the sealing ring plate 108 to the inner hoop plate 102 can be transmitted through the inner hoop plate. Plate 2 102 is transferred to the keel 3, so that inner hoop plate 2 102 and inner hoop plate 101 apply a set tensioning force to the contact position of the keel 3 respectively. As the sealing chamber moves with the sealing ring plate 108, its volume continuously increases, its internal air pressure decreases, and negative pressure is generated. This affects the air pressure inside the negative pressure adsorption chamber, so that the negative pressure adsorption component generates a set negative pressure adsorption force in the contact area with the keel 3. Thus, inner hoop plate 101 can simultaneously generate a set adsorption force on the keel 3. This adsorption force can effectively relieve the pressure on the opening area of ​​the keel 3, thereby improving the service life of the keel 3.

[0027] In an optional embodiment of the invention, such as Figure 4 As shown, the negative pressure adsorption assembly includes an annular adsorption groove 111 on the inner hoop plate 101, a plastic ring 112 connected to the opening of the annular adsorption groove 111, and a plurality of vent holes 113 on the inner hoop plate 101. The plastic ring 112 seals the opening area of ​​the annular adsorption groove 111, and both ends of the plurality of vent holes 113 are respectively connected to the sealed chamber and the annular adsorption groove 111.

[0028] It should be noted that, as mentioned above, when the volume of the sealed chamber increases, the internal space of the annular adsorption groove 111, which is connected to the sealed chamber through the vent 113, also generates a corresponding negative pressure. This negative pressure acts on the plastic ring 112, causing the plastic ring 112 to deform toward the annular adsorption groove 111, and increasing the volume between the plastic ring 112 and the contact area between the keel 3, thereby generating a corresponding negative pressure adsorption force. This negative pressure adsorption force changes according to the change in the internal volume of the sealed chamber.

[0029] In an optional embodiment of the invention, such as Figures 1 to 3 as well as Figures 5 to 6As shown, the angle adjustment assembly 21 includes a connecting block 2101, a rotating chamber inside the connecting block 2101, a rotating block 2102 inside the rotating chamber, a screw hole 2103 on the outer wall of the connecting block 2101 and connected to the rotating chamber, and a limiting knob 2104 threadedly connected to the screw hole 2103. The length of the limiting knob 2104 is greater than the length of the screw hole 2103. The limiting knob 2104 is fixedly connected to one of the guide connecting rods 103. The central axis of the rotating block 2102 is perpendicularly intersecting the central axis of one of the guide connecting rods 103.

[0030] The distance adjustment assembly 22 includes a screw 2201, a square limiting slider 2202 fixedly connected to one end of the screw 2201, a fixed sleeve 2203 sleeved on the screw 2201, a square sliding groove 2204 provided inside the fixed sleeve 2203, and a rotating nut 2205 movably connected to one end of the fixed sleeve 2203. The square sliding groove 2204 is matched with the square limiting slider 2202, the rotating nut 2205 is threadedly connected to the screw 2201, and the other end of the fixed sleeve 2203 is fixedly connected to the angle adjustment assembly 23.

[0031] The angle adjustment assembly 23 includes a hinge frame 2301, a limiting bolt 2303 detachably connected to the hinge frame 2301, and a hinge frame 2302 connected to the hinge frame 2301 via the limiting bolt 2303. The hinge frame 2301 is fixedly connected to the other end of the fixing sleeve 2203, and the hinge frame 2302 is fixedly connected to another guide connecting rod 103.

[0032] It should be noted that, as mentioned above, based on the assembly method and parameters of the two keels 3, the connection method of the keels 3 can be adapted by adjusting the structural states of the angle adjustment component 1 21, the distance adjustment component 22, and the angle adjustment component 23. Specifically, the angle adjustment component 1 21 can drive the distance adjustment component 22 to rotate around its central axis. Since the connecting block 1 2101 is perpendicularly connected to the corresponding guide connecting rod 103, and the central axis of the angle adjustment component 1 21 is perpendicularly distributed to the corresponding guide connecting rod 103, during adjustment, the limiting knob 2104 can be partially unscrewed, preventing it from contacting the rotating block 2102. This allows the rotating block 2102 to switch from a limited state to a rotatable state. At this point, rotating the rotating block 2102 will cause the distance adjustment component 22 connected to it to rotate synchronously. After rotation, the limiting knob 2104 is screwed back into the screw hole 2103 and... The rotating block 2102 provides a stable limit, while the distance adjustment component 22 is used to adjust the distance between the rotating block 2102 and the angle adjustment component 23. During adjustment, the rotating nut 2205 is rotated. Since the square limit slider 2202 and the fixed sleeve 2203 are in a limit sliding connection, when the rotating nut 2205 is rotated, the screw 2201 can extend or retract into the fixed sleeve 2203 by a set distance along its length direction, thereby adjusting the overall length of the distance adjustment component 22. The angle adjustment component 23 can adjust the included angle parameter between the other set of keels 3 and the distance adjustment component 22. Specifically, by loosening the limit bolt 2303, the frictional force generated by the deformation between the hinge frame 2302 and the hinge frame 1 2301 disappears. At this time, the rotation angle between the hinge frame 1 2301 and the hinge frame 2302 can be adjusted. After the adjustment is completed, the limit bolt 2303 is tightened again to make the two sets of keels 3 in a stable limit connection state.

[0033] The above description of this embodiment is not limited to the specific implementation described above. The specific implementation described above is merely illustrative and not restrictive. Those skilled in the art can make many other forms based on the guidance of this embodiment, all of which are within the protection scope of this embodiment.

Claims

1. An adjustable cross-structure adapter for fixing keel, characterized in that, include: Two sets of internal fixation mechanisms (1), the internal fixation mechanism (1) includes a telescopic pre-limiting component, a tension adjustment component connected to the telescopic pre-limiting component, a sealed telescopic component disposed inside the telescopic pre-limiting component, and a negative pressure adsorption component disposed at one end of the telescopic pre-limiting component and connected to the sealed telescopic component. The telescopic pre-limiting component is used to contact the inner wall of the keel (3) and apply a preset tension force to the inner wall of the keel (3). The movable end of the sealed telescopic component is threadedly connected to the tension adjustment component. The tension adjustment component is used to drive the movable end of the sealed telescopic component to move toward the other end of the telescopic pre-limiting component. The sealed telescopic component is used to adjust the tension force applied by the telescopic pre-limiting component to the inner wall of the keel (3) and the negative pressure value inside the negative pressure adsorption component. A position adjustment mechanism (2) is connected between two sets of internal fixing mechanisms (1). The position adjustment mechanism (2) includes an angle adjustment component one (21), a distance adjustment component (22) fixedly connected to the movable end of the angle adjustment component one (21), and an angle adjustment component two (23) fixedly connected to the other end of the distance adjustment component (22). The fixed end of the angle adjustment component one (21) is perpendicularly connected to the other end of one of the tension adjustment components. The angle adjustment component one (21) is used to drive the distance adjustment component (22) to rotate around the central axis of the angle adjustment component one (21) by a set angle. The distance adjustment component (22) is used to adjust the distance between the angle adjustment component one (21) and the angle adjustment component two (23). The angle adjustment component two (23) is connected to the other end of another tension adjustment component. The angle adjustment component two (23) is used to adjust the angle between the other tension adjustment component and the distance adjustment component (22).

2. The adjustable cross-structure adapter for keel fixing according to claim 1, characterized in that, The telescopic pre-limiting assembly includes an inner hoop plate one (101), an inner hoop plate two (102) arranged parallel to the inner hoop plate one (101), a plurality of telescopic rods one (104) and a spring (105) connected between the inner hoop plate one (101) and the inner hoop plate two (102). The plurality of telescopic rods one (104) are evenly distributed between the inner hoop plate one (101) and the inner hoop plate two (102), and the spring (105) is sleeved on the outside of the telescopic rods one (104).

3. The adjustable cross-structure adapter for keel fixing according to claim 2, characterized in that, The tension adjustment assembly includes a guide connecting rod (103), a threaded tube two (110) movably connected to the guide connecting rod (103), and a rotating ring (114) connected to the end of the threaded tube two (110) away from the inner hoop plate one (101). One end of the guide connecting rod (103) is fixedly connected to the center of the inner hoop plate one (101), and the inner hoop plate two (102) is provided with a through hole one that cooperates with the threaded tube two (110).

4. The adjustable cross-structure adapter for keel fixing according to claim 3, characterized in that, The sealed telescopic assembly includes a first telescopic bellows tube (106) and a second telescopic bellows tube (107) arranged coaxially, and a sealing ring plate (108) arranged parallel to the first inner hoop plate (101). One end of the first telescopic bellows tube (106) and the second telescopic bellows tube (107) are fixedly connected to the first inner hoop plate (101), and the other end is fixedly connected to the sealing ring plate (108). The sealing ring plate (108) is provided with a second through hole that cooperates with the second threaded tube (110). The first threaded tube (109) is connected to the sealing ring plate (108). The first threaded tube (109) is threadedly connected to the second threaded tube (110). A sealed chamber is formed between the first telescopic bellows tube (106), the second telescopic bellows tube (107), the sealing ring plate (108), and the first inner hoop plate (101). The internal space of the negative pressure adsorption assembly is connected to the sealed chamber.

5. The adjustable cross-structure adapter for keel fixing according to claim 4, characterized in that, A number of connecting plates (115) are fixedly connected to the sealing ring plate (108), and a telescopic rod (116) is connected between the connecting plate (115) and the inner hoop plate (101).

6. The adjustable cross-structure adapter for keel fixing according to claim 5, characterized in that, The negative pressure adsorption assembly includes an annular adsorption groove (111) on the inner hoop plate (101), a plastic ring (112) connected to the opening of the annular adsorption groove (111), and a plurality of vent holes (113) on the inner hoop plate (101). The plastic ring (112) seals the opening area of ​​the annular adsorption groove (111), and both ends of the plurality of vent holes (113) are respectively connected to the sealed chamber and the annular adsorption groove (111).

7. The adjustable cross-structure adapter for keel fixing according to claim 6, characterized in that, The angle adjustment assembly (21) includes a connecting block (2101), a rotating chamber located inside the connecting block (2101), a rotating block (2102) located inside the rotating chamber, a screw hole (2103) located on the outer wall of the connecting block (2101) and connected to the rotating chamber, and a limiting knob (2104) threadedly connected to the screw hole (2103). The length of the limiting knob (2104) is greater than the length of the screw hole (2103). The limiting knob (2104) is fixedly connected to one of the guide connecting rods (103). The central axis of the rotating block (2102) is perpendicularly intersected with the central axis of one of the guide connecting rods (103).

8. The adjustable cross-structure adapter for keel fixing according to claim 7, characterized in that, The distance adjustment component (22) includes a screw (2201), a square limiting slider (2202) fixedly connected to one end of the screw (2201), a fixed sleeve (2203) sleeved on the screw (2201), a square sliding groove (2204) provided inside the fixed sleeve (2203), and a rotating nut (2205) movably connected to one end of the fixed sleeve (2203). The square sliding groove (2204) is matched with the square limiting slider (2202), the rotating nut (2205) is threadedly connected to the screw (2201), and the other end of the fixed sleeve (2203) is fixedly connected to the angle adjustment component (23).

9. The adjustable cross-structure adapter for keel fixing according to claim 8, characterized in that, The angle adjustment assembly two (23) includes a hinge frame one (2301), a limiting bolt (2303) detachably connected to the hinge frame one (2301), and a hinge frame two (2302) connected to the hinge frame one (2301) via the limiting bolt (2303). The hinge frame one (2301) is fixedly connected to the other end of the fixing sleeve (2203), and the hinge frame two (2302) is fixedly connected to another guide connecting rod (103).

10. A method for fixing an adjustable cross-structure adapter for fixing keel, characterized in that, The adjustable cross-structure adapter for keel fixing as described in any one of claims 1-9 includes the following steps: Step 1: Disassemble the angle adjustment component 2 (23), and connect the internal fixing mechanism (1) which is connected to a part of the angle adjustment component 1 (21), the distance adjustment component (22) and the angle adjustment component 2 (23) to the fixed keel (3). When connecting, insert the telescopic pre-limit component from the port of the keel (3) and move it to the corresponding position on the keel (3). Rotate the tension adjustment component until the sealed telescopic component applies a preset tension force to the telescopic pre-limit component. Step 2: Adjust the rotation angle of the angle adjustment component 1 (21) and the extension length of the distance adjustment component (22) according to the set parameters; Step 3: Insert the internal fixing mechanism (1) connected to the other part of the angle adjustment component 2 (23) into the port of the unfixed keel (3) and move it to the corresponding position on the keel (3). Rotate the tension adjustment component until the sealed telescopic component applies a preset tension force to the telescopic pre-limit component. Reassemble and connect the angle adjustment component 2 (23), and adjust the angle between the unfixed keel (3) and the distance adjustment component (22) before locking the angle adjustment component 2 (23).