Truss connecting device and truss
By using interface components for the truss connection device and designing shape memory polymer locking hooks, the problem of the inability to adjust the truss structure is solved, enabling flexible assembly of the truss and efficient utilization of resources.
Patent Information
- Application Number
- CN202411382912.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-01-07
AI Technical Summary
Existing automated truss assembly methods cannot adapt to changes in truss design, resulting in wasted resources.
The truss connection device, including connection modules and interface components, utilizes locking hooks and pivot designs made of shape memory polymer composite materials to achieve detachable and reusable connecting rods.
Adjustable interface components enable flexible adjustments to the truss structure, improving truss utilization and resource reuse.
Smart Images
Figure CN119267700A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of trusses, and in particular to a truss connecting device and a truss. Background Art
[0002] A truss is a frame structure formed by assembling connecting rods. It can be widely used in the construction of facilities such as bridges, transmission line towers, crane racks, and production lines. With the development of automation technology, truss assembly is gradually moving towards automation. Automated truss assembly can significantly improve production efficiency, reduce labor costs, and improve assembly accuracy. At present, the common automated assembly of trusses is mainly completed by related robots. Robots can accurately grasp, move, and position the connecting rods of the trusses for automated assembly, and assemble them by welding, bolting, and other methods. This method is suitable for the flexible production of various types of trusses and reduces the conversion time of the assembly line. However, it is only applicable to trusses with a single structure. If the truss design changes, the originally assembled trusses can no longer be used, resulting in a waste of resources. Summary of the invention
[0003] The problem to be solved by the present invention is how to make the truss structure adjustable.
[0004] To this end, the present invention provides a truss connection device, including a connection module and an interface component, the interface components are respectively connected to multiple end surfaces of the connection module, the interface component includes an interface box, an upper cover, and a locking hook, the bottom surface of the interface box is connected to the end surface of the connection module, the upper cover and the interface box are rotatably connected, the upper cover and the interface box are used to close to form a hexahedral structure with a connecting hole on the top surface, the connecting hole is used for the end of the connecting rod to pass through and embed into the inner cavity of the hexahedral structure, one end of the locking hook is connected to the side wall of the interface box, and the other end is used to be clamped on the end of the upper cover away from its rotation axis when the upper cover and the interface box are closed.
[0005] Optionally, the locking hook is made of a shape memory polymer composite material.
[0006] Optionally, the truss connection device further comprises a rotating shaft, and an axis hole is provided at one end where the upper cover and the side wall of the interface box are connected to each other, and the rotating shaft passes through the axis hole.
[0007] Optionally, a torsion spring is sleeved on the rotating shaft, and the torsion spring is used to drive the upper cover and the interface box to close.
[0008] Optionally, the shaft extends toward one end of the connecting module, the torsion spring is sleeved on the extending portion of the shaft, one end of the torsion spring is connected to a side of the upper cover facing the connecting module, and the other end of the torsion spring abuts against a side wall of the connecting module.
[0009] Optionally, the truss connecting device also includes a hook, a push column is provided on the hook, a through hole is opened on one side wall of the interface box, a hook groove is connected to the outer surface of the upper cover opposite to the inner cavity, one end of the hook is connected to the side wall with the through hole, the push column is inserted into and protrudes out of the through hole, the other end of the hook is used to be clamped in the hook groove, and the end of the connecting rod is used to squeeze the push column.
[0010] Optionally, a connecting piece is provided on the outer surface of the upper cover relative to the inner cavity, and the hook groove is provided on the connecting piece.
[0011] Optionally, the truss connection device further comprises connecting screws, threaded holes are provided on the bottom surface of the interface box and on the end surface of the connection module, and the connecting screws are passed through the threaded holes to connect the interface box and the connection module.
[0012] Optionally, the interface box and the connection module are provided with a plurality of threaded holes, and a plurality of connection screws are respectively passed through the plurality of threaded holes on the bottom surface of the interface box and the end surface of the connection module.
[0013] Compared with the prior art, the truss connection device of the present invention has the following beneficial effects:
[0014] The present invention is provided with a connection module and an interface component, wherein the interface component comprises an interface box, the bottom surface of the interface box is connected to the end surface of the connection module, the interface box can be a hexahedral structure lacking part of the top surface and part of the side wall, an upper cover is provided at the notch on the peripheral surface of the interface box, the upper cover is rotatably connected to the interface box, the upper cover can be rotated to cover the notch on the peripheral surface of the interface box, the interface box and the upper cover together form a hexahedral structure with a connection hole on the top surface, an intelligent composite material locking hook is provided on one end of the peripheral surface of the interface box that is rotatably connected to the upper cover and opposite to the other end, the locking hook can be switched between bending and stretching states, when working, the interface component is in an open state, and the upper cover The cover is opened, and the locking hook is bent to the end away from the interface box. At this time, the end of the connecting rod is placed in the cavity of the interface box, and the upper cover is rotated to be closed. The end of the connecting rod is embedded in the cavity of the overall structure of the interface box and the upper cover. The hole wall of the connection hole formed by the interface box and the upper cover is wrapped around the circumference of the connecting rod rod portion, and the connecting rod is fixed. Then the locking hook is extended so that the hook body of the locking hook is clamped on the end of the upper cover away from its rotation axis, and the upper cover and the interface box are fixed together to complete the connection between the connecting rod and the interface component and the connecting module. When disassembly is required, only the locking hook needs to be bent and the upper cover needs to be rotated to be opened, and the connecting rod can be taken out and separated from the interface component. Multiple identical or different interface components can be set on each connection module, and each interface component can be connected to a corresponding connecting rod. Interface components and connection modules are set at both ends of a connecting rod. Multiple connection modules are used in combination to connect multiple connecting rods to form a truss. Only different interface components on the connection module need to be selected to change the truss structure, so that the connecting rod can be reused, and the utilization rate of the truss is improved.
[0015] In addition, in order to solve the above problems, the present invention also provides a truss, including the above truss connecting device and connecting rods.
[0016] Compared with the prior art, the beneficial effects of the truss described in the present invention are substantially the same as the beneficial effects of the above-mentioned truss connecting device, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of a truss connection device according to an embodiment of the present invention;
[0018] Figure 2 It is a structural schematic diagram of a truss connection device according to an embodiment of the present invention;
[0019] Figure 3 It is a structural schematic diagram of a truss connection device according to an embodiment of the present invention;
[0020] Figure 4 It is a structural schematic diagram of a truss connection device according to an embodiment of the present invention;
[0021] Figure 5It is a schematic structural diagram of a truss connection device according to an embodiment of the present invention.
[0022] Description of reference numerals:
[0023] 1-connection module; 2-connection rod; 3-interface assembly; 31-interface box; 32-upper cover; 33-locking hook; 34-rotating shaft; 35-torsion spring; 361-hook; 362-pushing column; 371-connection plate; 372-hook groove; 38-threaded hole. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0025] It should be noted that in the description of the present invention, the directions or positional relationships indicated by “up”, “down”, “left”, “right”, “top”, “bottom”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as limiting the scope of protection of the present invention.
[0026] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.
[0027] Moreover, although the present invention is described with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments and that other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features of the various dependent claims and herein may be combined in a manner not described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other embodiments.
[0028] To solve the above problems, Figures 1 to 5As shown, the present invention provides a truss connection device, including a connection module 1 and an interface component 3, the interface components 3 are respectively connected to multiple end surfaces of the connection module 1, the interface component 3 includes an interface box 31, an upper cover 32, and a locking hook 33, the bottom surface of the interface box 31 is connected to the end surface of the connection module 1, the upper cover 32 and the interface box 31 are rotatably connected, the upper cover 32 and the interface box 31 are used to be closed to form a hexahedral structure with a connecting hole on the top surface, the connecting hole is used for the end of the connecting rod 2 to pass through and embed into the inner cavity of the hexahedral structure, one end of the locking hook 33 is connected to the side wall of the interface box 31, and the other end is used to be clamped on the end of the upper cover 32 away from its rotation axis when the upper cover 32 and the interface box 31 are closed.
[0029] In this embodiment, by setting the connection module 1 and the interface component 3, the interface component 3 includes an interface box 31, the bottom surface of the interface box 31 is connected to the end surface of the connection module 1, the interface box 31 can be a hexahedral structure lacking part of the top surface and part of the side wall, and an upper cover 32 is arranged at the notch on the peripheral surface of the interface box 31. The upper cover 32 is rotatably connected to the interface box 31, and the upper cover 32 can be rotated to cover the notch on the peripheral surface of the interface box 31. The interface box 31 and the upper cover 32 together form a hexahedral structure with a connecting hole on the top surface. An intelligent composite material locking hook 33 is arranged on the peripheral surface of the interface box 31 at one end rotatably connected to the upper cover 32 relative to the other end. The locking hook 33 can switch between bending and stretching states. When working, Figure 2 and Figure 3 As shown, the interface assembly 3 is in an open state, the upper cover 32 is opened, and the locking hook 33 is bent to the end away from the interface box 31. At this time, the end of the connecting rod 2 is placed in the cavity of the interface box 31, and the upper cover 32 is rotated to be closed. The end of the connecting rod 2 is embedded in the cavity of the overall structure of the interface box 31 and the upper cover 32. The hole wall of the connecting hole formed by the interface box 31 and the upper cover 32 is wrapped around the circumferential side of the rod portion of the connecting rod 2 to fix the connecting rod 2. At this time, the state of the interface assembly 3 is as shown in FIG. Figure 4 As shown, the locking hook 33 is extended, so that the hook body of the locking hook 33 is clamped on the end of the upper cover 32 away from its rotation axis, and the upper cover 32 and the interface box 31 are fixed together to complete the connection between the connecting rod 2 and the interface component 3 and the connecting module 1. At this time, the state of the interface component 3 is as shown in FIG. Figure 5As shown, when disassembly is required, the locking hook 33 only needs to be bent and the upper cover 32 needs to be turned to open, and the connecting rod 2 can be taken out and separated from the interface component 3. Multiple identical or different interface components 3 can be set on each connection module 1, and each interface component 3 can be connected to a corresponding connecting rod 2. Interface components 3 and connection modules 1 are set at both ends of a connecting rod 2. Multiple connecting modules 1 are used together to connect multiple connecting rods 2 to form a truss. Only by selecting different interface components 3 on the connection module 1, the truss structure can be changed, so that the connecting rod 2 can be reused, and the utilization rate of the truss is improved.
[0030] Specifically, Figure 1 As shown, the diameter of the end of the connecting rod 2 is larger than the diameter of the rod of the connecting rod 2, which is convenient for embedding the end of the connecting rod 2 in the inner cavity of the structure composed of the interface box 31 and the upper cover 32, thereby improving the stability of the connection structure between the interface box 31 and the connecting rod 2. A connecting hole is provided on the top surface of the interface box 31 away from the connecting module 1, and the upper side surface and part of the right side surface of the interface box 31 are missing. The structure of the upper cover 32 corresponds to the missing part of the peripheral surface of the interface box 31, so that the upper cover 32 can be covered on the interface box 31. An annular plate is also provided on the side of the upper cover 32 away from the connecting module 1, and the annular plate and the interface box 31 are surrounded to form a connecting hole. Four interface components 3 can be set on each connecting module 1. When in use, the number and position of the interface components 3 to be used can be selected according to the actual working conditions, so as to assemble the connecting rod 2 into trusses with different structures.
[0031] Optionally, the locking hook 33 is made of a shape memory polymer composite material.
[0032] In this embodiment, by setting the locking hook 33 to be made of a shape memory polymer composite material, the reinforcing phase of which can be glass fiber, carbon fiber, aramid fiber, etc., the fiber-reinforced smart polymer composite material can be shaped into a temporary shape under external stimulation, and when subjected to the same stimulation again, it can recover to its initial shape; the specific stimulation method can be thermal stimulation, and a heating plate can be provided on the locking hook 33 to heat the locking hook 33. When the temperature reaches above the glass transition temperature, the locking hook 33 is deformed from the temporary configuration to the initial configuration and the heating is stopped.
[0033] Alternatively, if Figures 3 to 5 As shown, the truss connection device further includes a rotating shaft 34, and an axis hole is provided at one end where the upper cover 32 and the side wall of the interface box 31 are connected to each other, and the rotating shaft 34 is passed through the axis hole.
[0034] In this embodiment, an axial hole is provided on the side walls of the upper cover 32 and the interface box 31, the extension direction of the axial hole is the same as the extension direction of the connecting rod 2, and a rotating shaft 34 is provided to pass through the axial hole, so that the upper cover 32 can rotate around the rotating shaft 34 relative to the interface box 31, thereby realizing the rotational connection between the upper cover 32 and the interface box 31.
[0035] Alternatively, if Figure 1 As shown, a torsion spring 35 is sleeved on the rotating shaft 34 , and the torsion spring 35 is used to drive the upper cover 32 and the interface box 31 to close.
[0036] In this embodiment, a torsion spring 35 is arranged on the rotating shaft 34. The elastic force of the torsion spring 35 can drive the upper cover 32 to rotate relative to the interface box 31 until the cover is arranged on the notch of the interface box 31, so that the upper cover 32 and the interface box 31 are closed, and the connecting rod 2 is limited. The torsion spring 35 is used in conjunction with the locking hook 33 to ensure that the connecting rod 2 is fixed in the interface box 31.
[0037] Alternatively, if Figure 1 and Figure 3 As shown, the rotating shaft 34 extends toward one end of the connecting module 1, the torsion spring 35 is sleeved on the extended portion of the rotating shaft 34, one end of the torsion spring 35 is connected to the side of the upper cover 32 facing the connecting module 1, and the other end of the torsion spring 35 abuts against the side wall of the connecting module 1.
[0038] In this embodiment, by setting the length of the rotating shaft 34 to be greater than the thickness of the interface box 31, the rotating shaft 34 extends out of the shaft hole toward one end of the connecting module 1, and the torsion spring 35 is sleeved on the portion of the rotating shaft 34 extending out of the shaft hole. One end of the torsion spring 35 is connected to the upper cover 32, and the other end abuts against the side wall of the connecting module 1. The torsion spring 35 uses the side wall of the connecting module 1 as a support surface to drive the upper cover 32 to rotate until it covers the interface box 31.
[0039] Specifically, a boss structure for connecting with the torsion spring 35 is provided on the upper cover 32 , and an insertion hole is provided on the boss structure, and the end of the torsion spring 35 is inserted into the insertion hole.
[0040] Alternatively, if Figure 2 , Figure 4 and Figure 5 As shown, the truss connecting device also includes a hook 361, on which a push column 362 is provided, a through hole is provided on one side wall of the interface box 31, and a hook groove 372 is connected to the outer surface of the upper cover 32 relative to the inner cavity, one end of the hook 361 is connected to the side wall with the through hole, the push column 362 is inserted into and protrudes out of the through hole, and the other end of the hook 361 is used to be clamped in the hook groove 372, and the end of the connecting rod 2 is used to squeeze the push column 362.
[0041] In this embodiment, a hook 361 is provided on the interface box 31, for example, on the lower surface, and a hook groove 372 is provided on the upper cover 32 for use with the hook 361. When the upper cover 32 is opened, the hook body of the hook 361 can be engaged in the hook groove 372 to fix the upper cover 32 so that the upper cover 32 is in an open state. A push column 362 is also provided on the hook 361, and a through hole for use with the push column 362 is provided on the lower surface of the interface box 31. When the hook body of the hook 361 can be engaged in the hook groove 372, the push column 362 is inserted into the through hole, and the top end of the push column 362 passes through the through hole. When the connecting rod 2 is placed in the interface box 31, the end of the connecting rod 2 squeezes the push column 362, driving the push column 362 to drive the hook body of the hook 361 to move downward, and the hook body of the hook 361 is disengaged from the hook groove 372, so as to facilitate the rotation of the upper cover 32 to close the upper cover 32.
[0042] Specifically, the hook body of the hook 361 is disengaged from the hook groove 372, and the torsion spring 35 can automatically drive the upper cover 32 to close.
[0043] Alternatively, if Figure 2 , Figure 4 and Figure 5 As shown, a connecting piece 371 is provided on the outer surface of the upper cover 32 opposite to the inner cavity, and the hook groove 372 is opened on the connecting piece 371 .
[0044] In this embodiment, a connecting piece 371 is provided on the upper cover 32 , and the hook groove 372 is opened on the connecting piece 371 , thereby providing an opening position for the hook groove 372 .
[0045] Alternatively, if Figures 2 to 5 As shown, the truss connection device also includes connecting screws. Threaded holes 38 are provided on the bottom surface of the interface box 31 and the end surface of the connection module 1. The connecting screws are passed through the threaded holes 38 to connect the interface box 31 and the connection module 1.
[0046] In this embodiment, matching threaded holes 38 are opened on the bottom surface of the interface box 31 and the end surface of the connection module 1, and connecting screws are screwed into the threaded holes 38 on the bottom surface of the interface box 31 and the end surface of the connection module 1, so as to facilitate fixing the interface box 31 and the connection module 1 together.
[0047] Alternatively, if Figure 2 As shown, the interface box 31 and the connection module 1 are provided with a plurality of threaded holes 38 , and a plurality of connection screws are respectively passed through the plurality of threaded holes 38 on the bottom surface of the interface box 31 and the end surface of the connection module 1 .
[0048] In this embodiment, by opening a plurality of matching threaded holes 38 on the bottom surface of the interface box 31 and the end surface of the connection module 1, and using a plurality of connecting screws to pass through the plurality of threaded holes 38, the interface box 31 and the connection module 1 are fixed together, thereby improving the stability of the connection structure.
[0049] A truss according to another embodiment of the present invention includes the above-mentioned truss connecting device and a connecting rod 2 .
[0050] Compared with the prior art, the beneficial effects of the truss of this embodiment are substantially the same as the beneficial effects of the above-mentioned truss connecting device, which will not be described in detail here.
[0051] Specifically, the action of plugging in the connecting rod 2 in the present invention can be operated by a robot, and the truss connecting device works fully automatically without manual intervention, and can be applied in various working environments.
[0052] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will fall within the protection scope of the present invention.
Claims
1. A truss connection device, characterized in that: The invention comprises a connection module (1) and an interface component (3), wherein the interface components (3) are respectively connected to a plurality of end surfaces of the connection module (1), and the interface component (3) comprises an interface box (31), an upper cover (32), and a locking hook (33). The bottom surface of the interface box (31) is connected to the end surface of the connection module (1), and the upper cover (32) and the interface box (31) are rotatably connected. The upper cover (32) and the interface box (31) are used to be closed to form a hexahedral structure with a connection hole on the top surface, and the connection hole is used for allowing the end of the connection rod (2) to pass through and be embedded in the inner cavity of the hexahedral structure. One end of the locking hook (33) is connected to the side wall of the interface box (31), and the other end is used to be clamped on an end of the upper cover (32) away from its rotation axis when the upper cover (32) and the interface box (31) are closed.
2. The truss connection device according to claim 1, characterized in that: The locking hook (33) is made of a shape memory polymer composite material.
3. The truss connection device according to claim 1, characterized in that: It also comprises a rotating shaft (34), and one end where the upper cover (32) and the side wall of the interface box (31) are connected to each other is provided with an axis hole, and the rotating shaft (34) is passed through the axis hole.
4. The truss connection device according to claim 3, characterized in that: The rotating shaft (34) is sleeved with a torsion spring (35), and the torsion spring (35) is used to drive the upper cover (32) and the interface box (31) to close.
5. The truss connection device according to claim 4, characterized in that: The rotating shaft (34) extends toward one end of the connecting module (1), and the torsion spring (35) is sleeved on the extended portion of the rotating shaft (34). One end of the torsion spring (35) is connected to a side of the upper cover (32) facing the connecting module (1), and the other end of the torsion spring (35) abuts against a side wall of the connecting module (1).
6. The truss connection device according to claim 1, characterized in that: It also includes a hook (361), a push column (362) is provided on the hook (361), a through hole is provided on one side wall of the interface box (31), a hook groove (372) is connected to the outer surface of the upper cover (32) relative to the inner cavity, one end of the hook (361) is connected to the side wall with the through hole, the push column (362) is inserted into and protrudes out of the through hole, the other end of the hook (361) is used to be engaged in the hook groove (372), and the end of the connecting rod (2) is used to squeeze the push column (362).
7. The truss connection device according to claim 6, characterized in that: A connecting piece (371) is provided on the outer surface of the upper cover (32) opposite to the inner cavity, and the hook groove (372) is opened on the connecting piece (371).
8. The truss connection device according to claim 1, characterized in that: It also includes connecting screws, threaded holes (38) are provided on the bottom surface of the interface box (31) and the end surface of the connection module (1), and the connecting screws are passed through the threaded holes (38) to connect the interface box (31) and the connection module (1).
9. The truss connection device according to claim 8, characterized in that: The threaded holes (38) provided on the interface box (31) and the connection module (1) are multiple, and the multiple connection screws are respectively inserted through the multiple threaded holes (38) on the bottom surface of the interface box (31) and the end surface of the connection module (1).
10. A truss, characterized in that: It comprises a truss connection device as claimed in any one of claims 1 to 9 and a connecting rod (2).