Inner ring reticulated shell structure and welding auxiliary equipment thereof

Abstract

The invention belongs to the technical field of grid structures, and discloses an inner ring reticulated shell structure and welding auxiliary equipment thereof, the inner ring reticulated shell structure comprises a transverse arc-shaped rod body and a longitudinal arc-shaped rod body, the axis of the transverse arc-shaped rod body is vertical, and the arc extension track of the transverse arc-shaped rod body is distributed in the horizontal direction; the axis of the longitudinal arc-shaped rod body is horizontal, the arc extending track of the longitudinal arc-shaped rod body is distributed in the vertical direction, and the extending track of the longitudinal arc-shaped rod body is perpendicular to the extending track of the transverse arc-shaped rod body. The number of the transverse arc-shaped rod bodies and the number of the longitudinal arc-shaped rod bodies are both multiple, the two ends of each transverse arc-shaped rod body are connected with the two adjacent longitudinal arc-shaped rod bodies respectively, and the multiple transverse arc-shaped rod bodies and the multiple longitudinal arc-shaped rod bodies jointly form an alms-bowl-shaped structure used for reinforcing the historic building. On the premise that the integrity of the original structure of the ancient building is not damaged, the overall stability and deformation resistance of the ancient building are remarkably improved, and the targeted reinforcing and protecting effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of space frame structure technology, and in particular to an inner ring shell structure and its welding auxiliary equipment. Background Technology

[0002] Ancient buildings, as important carriers of historical and cultural heritage, directly affect the integrity of heritage preservation through their structural stability and durability. Among them, some ancient buildings with unique curved shapes, such as those resembling a bowl, suffer from complex structural stress paths and irregular curvature. Traditional reinforcement methods (such as adding rigid supports or encasing in concrete) often result in poor fit with the original structure and uneven load distribution, easily leading to localized stress concentrations and even damaging the original structural system of the ancient building. This makes it difficult to achieve a balance between reinforcement effectiveness and heritage preservation.

[0003] Grid shell structures are widely used in building reinforcement due to their uniform spatial stress distribution and high load-bearing efficiency. However, existing grid shell structures are mostly designed based on conventional building forms, with relatively regular rod arrangements and structural shapes. This makes it difficult to achieve precise fit with the surfaces of ancient buildings with special shapes such as "bowls," resulting in poor synergistic stress distribution between the reinforced structure and the ancient building itself. Furthermore, some adapted grid shell structures, after shape adjustments, have failed to form a reasonable spatial intersecting rod synergistic stress system. The load transfer path is unclear, easily leading to localized stress concentration. This not only fails to effectively improve the overall stability of ancient buildings but may even cause additional damage to the original structure due to stress concentration, making it difficult to meet the actual needs of targeted reinforcement and protection for ancient buildings with special shapes. Summary of the Invention

[0004] To address the aforementioned issues, this invention provides an inner ring shell structure and its welding auxiliary equipment, which significantly enhances the overall stability and deformation resistance of ancient buildings without compromising their original structural integrity, thereby achieving targeted reinforcement and protection.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an inner ring shell structure, comprising transverse arc-shaped rods and longitudinal arc-shaped rods, wherein the axis of the transverse arc-shaped rods is vertical and its arc extension trajectory is distributed in the horizontal direction; the axis of the longitudinal arc-shaped rods is horizontal and its arc extension trajectory is distributed in the vertical direction, and the extension trajectory of the longitudinal arc-shaped rods is perpendicular to the extension trajectory of the transverse arc-shaped rods; multiple transverse arc-shaped rods and multiple longitudinal arc-shaped rods are provided, and the two ends of the transverse arc-shaped rods are respectively connected to two adjacent longitudinal arc-shaped rods, and the multiple transverse arc-shaped rods and multiple longitudinal arc-shaped rods together form a "bowl"-shaped structure for reinforcing ancient buildings.

[0006] By adopting the above technical solution, the inner ring shell structure connects transverse arc-shaped rods with vertical axes and horizontal arcs with multiple points to longitudinal arc-shaped rods with horizontal axes and vertical arcs with mutually perpendicular trajectories, forming a "bowl"-shaped overall structure adapted to the target ancient building. This achieves precise fit with the ancient building of special shape, and constructs a stable load-bearing system through the synergistic force of the spatially intersecting rods. It effectively disperses the load on the ancient building structure and avoids local stress concentration. Without damaging the original structural integrity of the ancient building, it significantly improves its overall stability and deformation resistance, achieving the effect of targeted reinforcement and protection.

[0007] Furthermore, it also includes reinforcing ribs, the two ends of which are connected to the intersection of the transverse arc-shaped rod and the longitudinal arc-shaped rod; the transverse arc-shaped rod, the longitudinal arc-shaped rod, and the reinforcing ribs are all made of composite materials, and the raw materials of the composite materials include steel powder, EPDM rubber, and functional asphalt; wherein, the functional asphalt is one or more of elastomeric modified asphalt, plastomeric modified asphalt, and self-adhesive rubber asphalt.

[0008] By adopting the above technical solution, reinforcing ribs are added at the intersection of the transverse and longitudinal arc-shaped rods, which effectively strengthens the joint connection strength, prevents the joint from becoming a weak link in the stress, and further improves the overall rigidity and deformation resistance of the structure. At the same time, the transverse and longitudinal arc-shaped rods and the reinforcing ribs are made of composite materials containing steel powder, EPDM rubber and functional asphalt (one or more such as elastomer modified asphalt). Steel powder can enhance the load-bearing strength of the structure, EPDM rubber gives the material good toughness and crack resistance, and functional asphalt improves the material's adhesion, weather resistance and durability. The three work together to make the structure take into account both high strength and high toughness, which can not only meet the stress requirements of the "bowl" shaped space, but also resist environmental erosion, extend the service life of the reinforced structure, and further ensure the stability and durability of the reinforcement of ancient buildings with special shapes.

[0009] This application also discloses a welding auxiliary device for an inner ring mesh shell structure, including a base and a clamping mechanism disposed on the base. The clamping mechanism includes a mounting assembly, which includes a lower rod, a lower movable rod, a movable seat, an upper rod, an upper movable rod, a mounting seat, and a mounting rod. The lower rod is fixed to the top of the base and is vertically arranged. The lower movable rod is sleeved on the lower rod and slidably engaged with it. The movable seat is fixed to one side of the lower movable rod. The upper rod is fixed to the movable seat and is vertically arranged. The upper movable rod is sleeved on the upper rod and slidably engaged with it. The mounting seat is fixed to one side of the upper movable rod, and the mounting rod is fixed on the mounting seat. The clamping mechanism also includes an adjustment assembly and a clamping assembly. The adjustment assembly is used to simultaneously adjust the height of the movable seat and the mounting seat. The clamping assembly is disposed on the mounting rod and is used to clamp the transverse arc-shaped rod and the longitudinal arc-shaped rod to be welded.

[0010] By adopting the above technical solution, through the sliding fit design of the lower movable rod and the lower rod body, and the upper movable rod and the upper rod body, combined with the synchronous height adjustment function of the adjustment component for the movable seat and the mounting seat, it can flexibly adapt to the spatial vertical distribution and arc trajectory requirements of the transverse and longitudinal arc rods, and realize multi-dimensional position calibration of the rod to be welded. At the same time, the clamping component on the mounting rod can firmly clamp the rod to be welded, avoiding the displacement of the rod during the welding process, effectively solving the problems of inaccurate positioning and insufficient welding accuracy of existing equipment, significantly improving the welding accuracy and connection reliability of the rod connection nodes, and ensuring the overall assembly quality of the "bowl" shaped inner ring shell structure.

[0011] Furthermore, a fixed seat is fixed to the top of the base. The adjustment assembly includes a lower transmission unit, an upper transmission unit, and an adjustment unit. The lower transmission unit includes a first inclined rod, a connecting seat, a second inclined rod, a first gear, and a second gear. One end of the first inclined rod is hinged to the fixed seat, and the other end is hinged to the connecting seat. There are two first inclined rods that are parallel to each other. The hinge point between the connecting seat and the two first inclined rods, and the hinge point between the fixed seat and the two first inclined rods, form a parallelogram linkage mechanism. One end of the second inclined rod is hinged to the connecting seat, and the other end is hinged to the movable seat. There are two second inclined rods that are parallel to each other. The hinge point between the connecting seat and the two second inclined rods, and the hinge point between the movable seat and the fixed seat, and the hinge point between the fixed seat and the fixed seat, form a parallelogram linkage mechanism. The hinge point between the two second inclined rods also forms a parallelogram linkage mechanism; the first gear is fixedly sleeved on the hinge shaft between one of the first inclined rods and the connecting seat, and the second gear is fixedly sleeved on the hinge shaft between one of the second inclined rods and the connecting seat, and the second gear meshes with the first gear; the structure of the upper transmission unit is the same as that of the lower transmission unit, and they are symmetrically arranged about the movable seat; the adjustment unit is used to control the lifting and lowering of the connecting seat of the lower transmission unit; to ensure smooth transmission, meshing transmission gears are fixedly sleeved on the hinge shaft between the movable seat and the second inclined rod of the upper transmission unit, and on the hinge shaft between the movable seat and the second inclined rod of the lower transmission unit.

[0012] By adopting the above technical solution, the adjustment component, through the parallelogram linkage mechanism design of the lower and upper transmission units, ensures that the movable seat and the mounting seat maintain a stable posture during the adjustment process, avoiding deviation and tilting. Utilizing the meshing transmission of the first and second gears, as well as the linkage between the transmission gears of the upper and lower transmission units, synchronous action of the lower and upper transmission units is achieved. Combined with the adjustment unit's control over the lifting and lowering of the connecting seat, the height and position adjustment of the movable seat and the mounting seat can be completed precisely and smoothly, significantly improving the adjustment flexibility and positioning accuracy of the clamping mechanism, while ensuring the stability and reliability of the transmission process, providing a strong guarantee for the precise docking of the rods to be welded.

[0013] Furthermore, the adjustment unit includes a sliding seat, an electric push rod, a sliding sleeve, and a transmission rod. The sliding seat is slidably engaged with the base. The electric push rod is fixed to the top of the base, and its output end is fixed to one side of the sliding seat. The sliding sleeve is fitted onto one of the first inclined rods of the lower transmission unit and slidably engaged with it. One end of the transmission rod is hinged to the top of the sliding seat, and the other end of the transmission rod is hinged to the sliding sleeve.

[0014] Using the above technical solution, when clamping transverse arc-shaped rods of different heights to be welded, the operator only needs to adjust the electric push rod to control the sliding sleeve to slide along the base. Since the sliding sleeve is in sliding engagement with one of the first inclined rods, and the transmission rod is hinged to both the sliding seat and the sliding sleeve, the first inclined rod swings around the hinge axis between itself and the fixed seat. During this process, the connecting seat undergoes adaptive movement, and the movable seat and the mounting seat can be raised and lowered so that the clamping assembly can be raised and lowered with the mounting rod and clamp transverse arc-shaped rods of different heights, ensuring the welding quality between the transverse arc-shaped rods and the longitudinal arc-shaped rods.

[0015] Furthermore, a slotted hole is provided on the top of the base, the length of which is perpendicular to the extension and retraction direction of the electric push rod. A positioning hole is provided through the sliding seat, the diameter of which is equal to the width of the slotted hole.

[0016] By adopting the above technical solution, in order to ensure the stability of the clamping assembly in the clamping process of the transverse and longitudinal arc-shaped rods, the operator only needs to use the pin that matches the positioning hole to pass through the slotted hole to fix the sliding seat, thus ensuring the welding quality of the rod.

[0017] Furthermore, a lower reinforcing assembly is provided on the lower movable rod, which includes an L-shaped plate, a sliding rod, a limiting plate, a positioning block, and a reinforcing spring. The L-shaped plate is fixed to the lower movable rod, and the sliding rod passes through the vertical section of the L-shaped plate and slides with it. The limiting plate is fixed to the end of the sliding rod away from the lower rod, and the positioning block is fixed to the end of the sliding rod near the lower rod. The cross-section of the positioning block is a right trapezoid, and the intersection of the top of the positioning block and the side away from the limiting plate is an inclined surface. A slot is provided on one side of the lower rod to engage with the side of the positioning block away from the limiting plate. One end of the reinforcing spring is fixed to the side wall of the positioning block near the limiting plate, and the other end is fixed to the side wall of the vertical section of the L-shaped plate away from the limiting plate. An upper reinforcing assembly is provided on the upper movable rod, and the structure of the upper reinforcing assembly is the same as that of the lower reinforcing assembly.

[0018] Using the above technical solution, the lower reinforcing component uses the elastic force of the reinforcing spring to push the positioning block and engage with the slot on the lower rod body, achieving rapid and stable locking of the lower movable rod and the lower rod body after adjustment, effectively preventing the lower movable rod from shifting during welding. The right-angled trapezoidal inclined surface design of the positioning block allows the positioning block to automatically retract and avoid movement when the lower movable rod is raised or lowered, eliminating the need for manual unlocking and making operation convenient. The symmetrical upper and lower reinforcing structures simultaneously ensure the locking reliability of the upper and lower movable rods, further improving the positioning stability of the clamping mechanism and providing dual protection for the precise docking and welding quality of the rods to be welded.

[0019] Furthermore, the clamping assembly includes an installation unit, a connecting unit, and a clamping unit. The installation unit includes a threaded sleeve, a cross-shaped plate, an adjusting nut, and a reinforcing plate. The threaded sleeve is fixed to the mounting rod, and the cross-shaped plate is fitted onto the threaded sleeve and slidably engages with it. The adjusting nut is fitted onto the threaded sleeve and threadedly connected to it, and is rotatably connected to the side of the cross-shaped plate near the mounting rod. The reinforcing plate is C-shaped, with its two ends fixed to the threaded sleeve and the mounting rod, respectively. The connecting unit has four sets evenly distributed around the threaded sleeve. Each set of connecting units includes a connecting frame, a connecting plate, a first traction rod, and a second traction rod. The guide rod and clamping seat; the connecting frame is fixed to the side of the cross-shaped plate away from the mounting rod, and one end of the first traction rod is hinged to the connecting frame; the connecting plate is fixed to the threaded sleeve, one end of the second traction rod is hinged to the connecting plate, and the clamping seat is hinged to the end of the second traction rod away from the connecting plate. There are two second traction rods that are parallel to each other, and the end of the first traction rod away from the connecting frame is hinged to one of the second traction rods; the clamping units are installed on the clamping seats, and the number of sets is equal to the number of clamping seats and their positions correspond one-to-one. The four sets of clamping units cooperate to clamp the transverse arc-shaped rod and the longitudinal arc-shaped rod to be welded.

[0020] Using the above technical solution, the clamping assembly drives the cross-shaped plate to slide through the threaded engagement of the adjusting nut and the threaded sleeve. The first and second traction rods (two parallel rods forming a stable transmission structure) drive the four circumferentially evenly distributed clamping seats to open and close synchronously, achieving multi-directional uniform clamping of the rod body. This adapts to the clamping requirements of transverse and longitudinal arc-shaped rods. The "C"-shaped reinforcing plate strengthens the connection stability between the threaded sleeve and the mounting rod, preventing structural wobbling during adjustment. The four clamping units work together to ensure the clamping effect on transverse and longitudinal arc-shaped rods. Furthermore, the threaded adjustment method is precise and controllable, and the operation is convenient, effectively improving the docking accuracy of the rods to be welded and the stability of the welding process, thus ensuring the quality of the node connection.

[0021] Furthermore, the clamping seat has multiple mounting holes on the side near the axis of the threaded sleeve. Each clamping unit consists of multiple clamping parts, the number of which is equal to the number of mounting holes and their positions correspond one-to-one. The clamping parts include a clamping spring, a sliding block, a connecting rod, and a clamping block. One end of the clamping spring is fixed to the inner wall of the mounting hole on the side away from the axis of the threaded sleeve. The sliding block is slidably engaged with the mounting hole. The connecting rod is fixed to the end of the sliding block away from the clamping spring. The clamping block is fixed to the end of the connecting rod away from the clamping spring.

[0022] Using the above technical solution, the clamping unit is equipped with clamping parts consisting of clamping springs, sliding blocks, connecting rods, and clamping blocks in multiple mounting holes of the clamping seat. The elastic force of the clamping springs pushes the sliding blocks to slide along the mounting holes, causing the connecting rods and clamping blocks to adapt to the size and arc contour of the rod to be welded, achieving flexible clamping to avoid damage to the rod. Multiple sets of clamping parts and four sets of clamping units work together to form a multi-point uniform force structure, which not only ensures that the rod is clamped firmly and there is no displacement during welding, but also ensures the flexibility and adaptability of the clamping action through sliding cooperation, further improving the docking accuracy of the rod to be welded and ensuring the welding quality of the joint.

[0023] Furthermore, a threaded shaft is threadedly connected to the mounting rod, and the threaded shaft is coaxial with the threaded sleeve. The outer diameter of the threaded shaft is smaller than the inner diameter of the threaded sleeve, and a rubber block is fixed to the end of the threaded shaft away from the mounting rod.

[0024] By adopting the above technical solution, the threaded connection between the threaded shaft and the mounting rod allows for precise adjustment of the extension length of the threaded shaft. Furthermore, the coaxial arrangement of the threaded shaft and the threaded sleeve ensures precise axial clamping of the rod to be welded, which is clamped in the center. The rubber block at the end of the threaded shaft not only avoids damage to the rod caused by rigid contact but also increases the contact friction, forming a synergistic fixing effect with the circumferential clamping unit. This creates a dual fixing structure of "circumferential clamping and axial clamping," further enhancing the clamping stability of the rod to be welded and ensuring the accuracy of node connection and welding quality.

[0025] In summary, the present invention has the following beneficial effects: 1. In this application, the inner ring shell structure forms a "bowl"-shaped overall structure that is adapted to the target ancient building by connecting transverse arc-shaped rods with vertical axes and horizontal arcs with vertical arcs and perpendicular trajectories at multiple points. This achieves a precise fit with the ancient building with a special shape, and also constructs a stable load-bearing system through the synergistic force of the spatially intersecting rods. This effectively disperses the load on the ancient building structure and avoids local stress concentration. Without damaging the original structural integrity of the ancient building, it significantly improves its overall stability and deformation resistance, achieving the effect of targeted reinforcement and protection. 2. In this application, the clamping unit is provided with clamping parts consisting of clamping springs, sliding blocks, connecting rods and clamping blocks in multiple mounting holes of the clamping seat. The elastic force of the clamping springs pushes the sliding blocks to slide along the mounting holes, causing the connecting rods and clamping blocks to adapt to the size and arc contour of the rod to be welded, thereby achieving flexible clamping to avoid damage to the rod. Multiple sets of clamping parts and four sets of clamping units work together to form a multi-point uniform force structure, which not only ensures that the rod is clamped firmly and there is no displacement during the welding process, but also ensures the flexibility and adaptability of the clamping action through sliding cooperation, further improving the docking accuracy of the rod to be welded and ensuring the welding quality of the joint. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the inner ring shell structure in an embodiment of the present invention; Figure 2 yes Figure 1 A sectional view; Figure 3 This is a schematic diagram of the welding auxiliary equipment for the inner ring mesh shell structure in an embodiment of the present invention; Figure 4 yes Figure 3 A structural diagram from another perspective; Figure 5 yes Figure 4 Enlarged view of point A in the middle; Figure 6 This is a schematic diagram illustrating the structure of the connecting unit in an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of the clamping unit in an embodiment of the present invention; Figure 8 yes Figure 7 Enlarged diagram of point B in the middle.

[0027] In the picture: 1. Horizontal arc-shaped rod; 2. Longitudinal arc-shaped rod; 3. Reinforcing rib; 4. Base; 41. Fixing seat; 42. Straight hole; 5. Clamping mechanism; 51. Mounting assembly; 511. Lower rod body; 5111. Slot; 512. Lower movable rod; 513. Movable seat; 514. Upper rod body; 515. Upper movable rod; 516. Mounting seat; 517. Mounting rod; 52. Adjustment assembly; 521. Lower transmission unit; 5211. First inclined rod; 5212. Connecting seat; 5213. Second inclined rod; 5214. First gear; 5215. Second gear; 522. Upper transmission unit; 523. Adjustment unit; 5231. Sliding seat; 52311. Positioning hole; 5232. Electric push rod; 5233. Sliding sleeve; 5234. Transmission rod; 53. Clamping assembly; 531. Mounting unit; 5311. Threaded sleeve; 5312. Cross-shaped plate; 5313. Adjusting nut; 5314. Reinforcing plate; 532. Connecting unit; 5321. Connecting frame; 5322. Connecting plate; 5323. First traction rod; 5324. Second traction rod; 5325. Clamping seat; 53251. Mounting hole; 533. Clamping unit; 5331. Clamping spring; 5332. Sliding block; 5333. Connecting rod; 5334. Clamping block; 6. Transmission gears; 7. Lower reinforcement assembly; 71. L-shaped plate; 72. Sliding rod; 73. Limiting plate; 74. Positioning block; 75. Reinforcing spring; 8. Threaded shaft; 81. Rubber block; 9. Upper reinforcement assembly. Detailed Implementation

[0028] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0029] like Figure 1-8 As shown in the figure, this application discloses an inner ring shell structure, including a transverse arc-shaped rod 1 and a longitudinal arc-shaped rod 2. The axis of the transverse arc-shaped rod 1 is vertical, and its arc extension trajectory is distributed in the horizontal direction. The axis of the longitudinal arc-shaped rod 2 is horizontal, and its arc extension trajectory is distributed in the vertical direction. The extension trajectory of the longitudinal arc-shaped rod 2 is perpendicular to the extension trajectory of the transverse arc-shaped rod 1. There are multiple transverse arc-shaped rods 1 and multiple longitudinal arc-shaped rods 2. The two ends of the transverse arc-shaped rod 1 are respectively connected to two adjacent longitudinal arc-shaped rods 2. The multiple transverse arc-shaped rods 1 and the multiple longitudinal arc-shaped rods 2 together form a "bowl"-shaped structure for reinforcing ancient buildings.

[0030] This inner ring shell structure connects transverse arc-shaped rods 1 (vertical axis, horizontal arc) with longitudinal arc-shaped rods 2 (horizontal axis, vertical arc), forming a "bowl"-shaped overall structure adapted to the target ancient building. This achieves precise fit with the special-shaped ancient building and constructs a stable load-bearing system through the synergistic force distribution of the spatially intersecting rods. It effectively disperses the load on the ancient building structure and avoids local stress concentration. Without damaging the original structural integrity of the ancient building, it significantly improves its overall stability and resistance to deformation, achieving the effect of targeted reinforcement and protection.

[0031] The inner ring shell structure also includes reinforcing ribs 3, with both ends of the reinforcing ribs 3 connected to the intersection of the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2; the transverse arc-shaped rod 1, the longitudinal arc-shaped rod 2 and the reinforcing ribs 3 are all made of composite materials, and the raw materials of the composite materials include steel powder, EPDM rubber and functional asphalt; wherein, the functional asphalt is one or more of elastomeric modified asphalt, plastic modified asphalt and self-adhesive rubber asphalt.

[0032] A reinforcing rib 3 is added at the intersection of the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2, which effectively strengthens the joint connection strength, prevents the joint from becoming a weak link in the stress, and further improves the overall rigidity and deformation resistance of the structure. At the same time, the transverse arc-shaped rod 1, the longitudinal arc-shaped rod 2 and the reinforcing rib 3 are made of a composite material containing steel powder, EPDM rubber and functional asphalt (one or more such as elastomer modified asphalt). Steel powder can enhance the load-bearing strength of the structure, EPDM rubber gives the material good toughness and crack resistance, and functional asphalt improves the material's adhesion, weather resistance and durability. The three work together to make the structure take into account both high strength and high toughness, which can not only meet the stress requirements of the "bowl" shaped space, but also resist environmental erosion, extend the service life of the reinforced structure, and further ensure the stability and durability of the reinforcement of ancient buildings with special shapes.

[0033] This application also discloses a welding auxiliary device for an inner ring mesh shell structure, including a base 4 and a clamping mechanism 5 disposed on the base 4. The clamping mechanism 5 includes a mounting assembly 51, which includes a lower rod 511, a lower movable rod 512, a movable seat 513, an upper rod 514, an upper movable rod 515, a mounting seat 516, and a mounting rod 517. The lower rod 511 is fixed to the top of the base 4 and is vertically arranged. The lower movable rod 512 is sleeved on the lower rod 511 and slides with it. The movable seat 513 is fixed to the lower movable rod 516. On one side of 12, the upper rod body 514 is fixed and vertically arranged with the movable seat 513, and the upper movable rod 515 is sleeved on the upper rod body 514 and slidably engaged with it; the mounting seat 516 is fixed on one side of the upper movable rod 515, and the mounting rod 517 is fixed on the mounting seat 516; the clamping mechanism 5 also includes an adjusting component 52 and a clamping component 53. The adjusting component 52 is used to simultaneously adjust the height of the movable seat 513 and the mounting seat 516, and the clamping component 53 is arranged on the mounting rod 517 and is used to clamp the transverse arc-shaped rod body 1 and the longitudinal arc-shaped rod body 2 to be welded.

[0034] Through the sliding fit design of the lower movable rod 512 and the lower rod body 511, and the upper movable rod 515 and the upper rod body 514, combined with the synchronous height adjustment function of the adjustment component 52 for the movable seat 513 and the mounting seat 516, it can flexibly adapt to the spatial vertical distribution and arc trajectory requirements of the transverse arc rod 1 and the longitudinal arc rod 2, and realize the multi-dimensional position calibration of the rod to be welded; at the same time, the clamping component 53 on the mounting rod 517 can firmly clamp the rod to be welded, avoid the rod displacement during the welding process, effectively solve the problems of inaccurate positioning and insufficient welding accuracy of existing equipment, significantly improve the welding accuracy and connection reliability of the rod connection node, and ensure the overall assembly quality of the "bowl" shaped inner ring shell structure.

[0035] A fixed seat 41 is fixed to the top of the base 4. The adjustment assembly 52 includes a lower transmission unit 521, an upper transmission unit 522, and an adjustment unit 523. The lower transmission unit 521 includes a first inclined rod 5211, a connecting seat 5212, a second inclined rod 5213, a first gear 5214, and a second gear 5215. One end of the first inclined rod 5211 is hinged to the fixed seat 41, and the other end is hinged to the connecting seat 5212. There are two first inclined rods 5211, which are parallel to each other. The hinge point between the connecting seat 5212 and the two first inclined rods 5211, and the hinge point between the fixed seat 41 and the two first inclined rods 5211, form a parallelogram linkage mechanism. One end of the second inclined rod 5213 is hinged to the connecting seat 5212, and the other end is hinged to the movable seat 513. There are two second inclined rods 5213, which are parallel to each other. The hinge point between the connecting seat 5212 and the two second inclined rods 5213, and the hinge point between the connecting seat 5212 and the two second inclined rods 5213, and the hinge point between the fixed seat 41 and the two first inclined rods 5213, form a parallelogram linkage mechanism. The hinge points between seat 513 and the two second inclined rods 5213 also form a parallelogram linkage mechanism; the first gear 5214 is fixedly sleeved on the hinge shaft between one of the first inclined rods 5211 and the connecting seat 5212, and the second gear 5215 is fixedly sleeved on the hinge shaft between one of the second inclined rods 5213 and the connecting seat 5212, and the second gear 5215 meshes with the first gear 5214; the structure of the upper transmission unit 522 is the same as that of the lower transmission unit 521, and they are symmetrically arranged about the movable seat 513; the adjusting unit 523 is used to control the lifting and lowering of the connecting seat 5212 of the lower transmission unit 521; in order to ensure smooth transmission, meshing transmission gears 6 are fixedly sleeved on the hinge shaft between the movable seat 513 and the second inclined rod 5213 of the upper transmission unit 522, and on the hinge shaft between the movable seat 513 and the second inclined rod 5213 of the lower transmission unit 521.

[0036] The adjustment assembly 52, through the parallelogram linkage mechanism design of the lower transmission unit 521 and the upper transmission unit 522, ensures that the movable seat 513 and the mounting seat 516 maintain a stable posture during the adjustment process, avoiding deviation and tilting. With the meshing transmission of the first gear 5214 and the second gear 5215, and the linkage of the transmission gear 6 between the upper and lower transmission units 521, the synchronous action of the lower transmission unit 521 and the upper transmission unit 522 is realized. Combined with the lifting and lowering control of the connecting seat 5212 by the adjustment unit 523, the height and position adjustment of the movable seat 513 and the mounting seat 516 can be completed accurately and smoothly, significantly improving the adjustment flexibility and positioning accuracy of the clamping mechanism 5, while ensuring the stability and reliability of the transmission process, providing a strong guarantee for the precise docking of the rod to be welded.

[0037] The adjustment unit 523 includes a sliding seat 5231, an electric push rod 5232, a sliding sleeve 5233, and a transmission rod 5234. The sliding seat 5231 is slidably engaged with the base 4. The electric push rod 5232 is fixed to the top of the base 4, and its output end is fixed to one side of the sliding seat 5231. The sliding sleeve 5233 is sleeved on one of the first inclined rods 5211 of the lower transmission unit 521 and slidably engaged with it. One end of the transmission rod 5234 is hinged to the top of the sliding seat 5231, and the other end of the transmission rod 5234 is hinged to the sliding sleeve 5233.

[0038] When clamping transverse arc-shaped rods 1 of different heights to be welded, the operator only needs to adjust the electric push rod 5232 to control the sliding sleeve 5233 to slide along the base 4. Since the sliding sleeve 5233 is slidably engaged with one of the first inclined rods 5211, and the transmission rod 5234 is hinged to both the sliding seat 5231 and the sliding sleeve 5233, the first inclined rod 5211 swings around the hinge axis between itself and the fixed seat 41. During this process, the connecting seat 5212 undergoes adaptive movement, and the movable seat 513 and the mounting seat 516 are raised and lowered so that the clamping assembly 53 can be raised and lowered with the mounting rod 517 to clamp transverse arc-shaped rods 1 of different heights, thus ensuring the welding quality between the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2.

[0039] The base 4 has a slotted hole 42 at its top, the length of which is perpendicular to the extension / retraction direction of the electric push rod 5232. A positioning hole 52311 is provided through the sliding seat 5231, the diameter of which is equal to the width of the slotted hole 42. To ensure the stability of the clamping assembly 53 in clamping the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2, the operator only needs to use a pin that mates with the positioning hole 52311, passing it through the slotted hole 42 to fix the sliding seat 5231, thus ensuring the welding quality of the rods.

[0040] A lower reinforcing component 7 is provided on the lower movable rod 512. The lower reinforcing component 7 includes an L-shaped plate 71, a sliding rod 72, a limiting plate 73, a positioning block 74, and a reinforcing spring 75. The L-shaped plate 71 is fixed to the lower movable rod 512, and the sliding rod 72 is inserted through the vertical section of the L-shaped plate 71 and slides with it. The limiting plate 73 is fixed to the end of the sliding rod 72 away from the lower rod 511, and the positioning block 74 is fixed to the end of the sliding rod 72 near the lower rod 511. The cross-section of the positioning block 74 is a right-angled trapezoid. The top of the positioning block 74 intersects with the side away from the limiting plate 73 at an inclined surface. The lower rod 511 has a slot 5111 on one side that engages with the side of the positioning block 74 away from the limiting plate 73. One end of the reinforcing spring 75 is fixed to the side wall of the positioning block 74 near the limiting plate 73, and the other end is fixed to the side wall of the vertical section of the L-shaped plate 71 away from the limiting plate 73. The upper movable rod 515 is provided with an upper reinforcing component 9, which has the same structure as the lower reinforcing component 7.

[0041] The lower reinforcing component 7 uses the elastic force of the reinforcing spring 75 to push the positioning block 74 to engage with the slot 5111 on the lower rod 511, achieving a quick and stable lock between the lower movable rod 512 and the lower rod 511 after adjustment, effectively preventing the lower movable rod 512 from shifting during welding. The right-angled trapezoidal inclined surface design of the positioning block 74 allows the positioning block 74 to automatically retract and avoid movement when the lower movable rod 512 is raised or lowered, eliminating the need for manual unlocking and making operation convenient. The symmetrical upper and lower reinforcing structures simultaneously ensure the locking reliability of the upper and lower movable rods 512, further improving the positioning stability of the clamping mechanism 5 and providing dual protection for the precise docking and welding quality of the rods to be welded.

[0042] The clamping assembly 53 includes an installation unit 531, a connecting unit 532, and a clamping unit 533. The installation unit 531 includes a threaded sleeve 5311, a cross-shaped plate 5312, an adjusting nut 5313, and a reinforcing plate 5314. The threaded sleeve 5311 is fixed to the mounting rod 517, and the cross-shaped plate 5312 is fitted onto the threaded sleeve 5311 and slidably engaged with it. The adjusting nut 5313 is fitted onto the threaded sleeve 5311 and threadedly connected to it, and is rotatably connected to the side of the cross-shaped plate 5312 near the mounting rod 517. The reinforcing plate 5314 is C-shaped, with its two ends fixed to the threaded sleeve 5311 and the mounting rod 517, respectively. The connecting unit 532 has four sets and is evenly distributed around the threaded sleeve 5311. Each set of connecting units 532 includes a connecting frame 5321, a connecting plate 5322, a first traction rod 5323, and a second... The traction rod 5324 and the clamping seat 5325 are provided; the connecting frame 5321 is fixed to the side of the cross-shaped plate 5312 away from the mounting rod 517, and one end of the first traction rod 5323 is hinged to the connecting frame 5321; the connecting plate 5322 is fixed to the threaded sleeve 5311, one end of the second traction rod 5324 is hinged to the connecting plate 5322, and the clamping seat 5325 is hinged to the end of the second traction rod 5324 away from the connecting plate 5322. There are two second traction rods 5324 that are parallel to each other, and the end of the first traction rod 5323 away from the connecting frame 5321 is hinged to one of the second traction rods 5324; the clamping unit 533 is installed on the clamping seat 5325, and the number of its groups is equal to the number of clamping seats 5325 and their positions correspond one-to-one. The four groups of clamping units 533 cooperate to clamp the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2 to be welded.

[0043] The clamping assembly 53 drives the cross-shaped plate 5312 to slide through the threaded engagement of the adjusting nut 5313 and the threaded sleeve 5311. The first traction rod 5323 and the second traction rod 5324 (two parallel rods forming a stable transmission structure) drive the four circumferentially evenly distributed clamping seats 5325 to open and close synchronously, achieving multi-directional uniform clamping of the rod body, adapting to the clamping requirements of the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2. The "C"-shaped reinforcing plate 5314 strengthens the connection stability between the threaded sleeve 5311 and the mounting rod 517, avoiding structural shaking during adjustment. The four clamping units 533 work together to ensure the clamping effect of the transverse arc-shaped rod 1 and the longitudinal arc-shaped rod 2. Moreover, the threaded adjustment method is precise and controllable, and the operation is convenient, effectively improving the docking accuracy of the rod to be welded and the stability of the welding process, ensuring the quality of the node connection.

[0044] The clamping seat 5325 has multiple mounting holes 53251 on the side near the axis of the threaded sleeve 5311. Each clamping unit 533 is composed of multiple clamping parts. The number of clamping parts is equal to the number of mounting holes 53251 and their positions correspond one-to-one. The clamping parts include a clamping spring 5331, a sliding block 5332, a connecting rod 5333, and a clamping block 5334. One end of the clamping spring 5331 is fixed to the inner wall of the mounting hole 53251 away from the axis of the threaded sleeve 5311. The sliding block 5332 is slidably engaged with the mounting hole 53251. The connecting rod 5333 is fixed to the end of the sliding block 5332 away from the clamping spring 5331. The clamping block 5334 is fixed to the end of the connecting rod 5333 away from the clamping spring 5331.

[0045] The clamping unit 533 has clamping parts composed of clamping springs 5331, sliding blocks 5332, connecting rods 5333 and clamping blocks 5334 respectively set in multiple mounting holes 53251 of the clamping base 5325. The elastic force of the clamping springs 5331 pushes the sliding blocks 5332 to slide along the mounting holes 53251, which drives the connecting rods 5333 and clamping blocks 5334 to adapt to the size and arc contour of the rod to be welded, so as to achieve flexible clamping and avoid damage to the rod. The multiple sets of clamping parts and the four sets of clamping units 533 work together to form a multi-point uniform force structure, which not only ensures the rod is firmly clamped and there is no displacement during the welding process, but also ensures the flexibility and adaptability of the clamping action through sliding cooperation, further improving the docking accuracy of the rod to be welded and ensuring the welding quality of the node.

[0046] A threaded shaft 8 is threadedly connected to the mounting rod 517. The threaded shaft 8 is coaxially arranged with the threaded sleeve 5311. The outer diameter of the threaded shaft 8 is smaller than the inner diameter of the threaded sleeve 5311. A rubber block 81 is fixed to the end of the threaded shaft 8 away from the mounting rod 517.

[0047] The threaded connection between the threaded shaft 8 and the mounting rod 517 allows for precise adjustment of the extension length of the threaded shaft 8. Furthermore, the threaded shaft 8 and the threaded sleeve 5311 are coaxially arranged, ensuring precise axial clamping of the rod to be welded, which is clamped in the center. The rubber block 81 at the end of the threaded shaft 8 not only avoids damage to the rod caused by rigid contact but also increases the contact friction, forming a synergistic fixing effect with the circumferential clamping unit 533. This creates a dual fixing structure of "circumferential clamping and axial clamping," further improving the clamping stability of the rod to be welded and ensuring the accuracy of node docking and welding quality.

[0048] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An inner ring shell structure, characterized in that: It includes a transverse arc-shaped rod (1) and a longitudinal arc-shaped rod (2). The axis of the transverse arc-shaped rod (1) is vertical, and its arc extension trajectory is distributed in the horizontal direction. The axis of the longitudinal arc-shaped rod (2) is horizontal, and its arc extension trajectory is distributed in the vertical direction. The extension trajectory of the longitudinal arc-shaped rod (2) is perpendicular to the extension trajectory of the transverse arc-shaped rod (1). Multiple horizontal arc-shaped rods (1) and multiple vertical arc-shaped rods (2) are provided. The two ends of the horizontal arc-shaped rods (1) are connected to two adjacent vertical arc-shaped rods (2). Multiple horizontal arc-shaped rods (1) and multiple vertical arc-shaped rods (2) together form a "bowl"-shaped structure for reinforcing ancient buildings.

2. The inner ring shell structure according to claim 1, characterized in that: It also includes a reinforcing rib (3), the two ends of which are connected to the intersection of the transverse arc-shaped rod (1) and the longitudinal arc-shaped rod (2); the transverse arc-shaped rod (1), the longitudinal arc-shaped rod (2) and the reinforcing rib (3) are all made of composite materials, and the raw materials of the composite materials include steel powder, EPDM rubber and functional asphalt; among which, the functional asphalt is one or more of elastomeric modified asphalt, plastic modified asphalt and self-adhesive rubber asphalt.

3. A welding auxiliary device for an inner ring mesh shell structure, applied to the auxiliary docking process of the inner ring mesh shell structure as described in claim 1 or 2, characterized in that: It includes a base (4) and a clamping mechanism (5) disposed on the base (4). The clamping mechanism (5) includes a mounting assembly (51). The mounting assembly (51) includes a lower rod (511), a lower movable rod (512), a movable seat (513), an upper rod (514), an upper movable rod (515), a mounting seat (516), and a mounting rod (517). The lower rod (511) is fixed to the top of the base (4) and is set vertically. The lower movable rod (512) is sleeved on the lower rod (511) and slides with it. The movable seat (513) is fixed to one side of the lower movable rod (512). The upper rod (514) is fixed to the movable seat (513) and is set vertically. The upper movable rod (515) is sleeved on the upper rod (514) and slides with it. The mounting seat (516) is fixed to one side of the upper movable rod (515). The mounting rod (517) is fixed on the mounting seat (516). The clamping mechanism (5) also includes an adjustment component (52) and a clamping component (53). The adjustment component (52) is used to adjust the height of the movable seat (513) and the mounting seat (516) at the same time. The clamping component (53) is set on the mounting rod (517) and is used to clamp the transverse arc-shaped rod (1) and the longitudinal arc-shaped rod (2) to be welded.

4. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 3, characterized in that: The base (4) has a fixed seat (41) on top. The adjustment assembly (52) includes a lower transmission unit (521), an upper transmission unit (522) and an adjustment unit (523). The lower transmission unit (521) includes a first inclined rod (5211), a connecting seat (5212), a second inclined rod (5213), a first gear (5214) and a second gear (5215). One end of the first inclined rod (5211) is hinged to the fixed seat (41), and the other end is hinged to the connecting seat (5212). There are two first inclined rods (5211) that are parallel to each other. The hinge point between the connecting seat (5212) and the two first inclined rods (5211) and the hinge point between the fixed seat (41) and the two first inclined rods (5211) form a parallelogram linkage mechanism. One end of the second inclined rod (5213) is hinged to the connecting seat (5212), and the other end is hinged to the movable seat (513). There are two second inclined rods (5213) that are parallel to each other. The hinge point between the connecting seat (5212) and the two second inclined rods (5213) and the hinge point between the movable seat (513) and the two second inclined rods (5213) also constitute a parallelogram linkage mechanism; the first gear (5214) is fixedly sleeved on the hinge shaft between one of the first inclined rods (5211) and the connecting seat (5212), and the second gear (5215) is fixedly sleeved on the hinge shaft between one of the second inclined rods (5213) and the connecting seat (5212), and the second gear (5215) meshes with the first gear (5214); The structure of the upper transmission unit (522) is the same as that of the lower transmission unit (521), and they are arranged symmetrically about the movable seat (513); the adjustment unit (523) is used to control the lifting and lowering of the connecting seat (5212) of the lower transmission unit (521).

5. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 4, characterized in that: The adjustment unit (523) includes a sliding seat (5231), an electric push rod (5232), a sliding sleeve (5233), and a transmission rod (5234). The sliding seat (5231) is slidably engaged with the base (4). The electric push rod (5232) is fixed to the top of the base (4), and its output end is fixed to one side of the sliding seat (5231). The sliding sleeve (5233) is sleeved on one of the first inclined rods (5211) of the lower transmission unit (521) and slidably engaged with it. One end of the transmission rod (5234) is hinged to the top of the sliding seat (5231), and the other end of the transmission rod (5234) is hinged to the sliding sleeve (5233).

6. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 4, characterized in that: The base (4) has a slotted hole (42) at the top. The length of the slotted hole (42) is perpendicular to the extension and retraction direction of the electric push rod (5232). A positioning hole (52311) is provided through the sliding seat (5231). The diameter of the positioning hole (52311) is equal to the width of the slotted hole (42).

7. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 4, characterized in that: The lower movable rod (512) is provided with a lower reinforcing component (7), which includes an L-shaped plate (71), a sliding rod (72), a limiting plate (73), a positioning block (74), and a reinforcing spring (75). The L-shaped plate (71) is fixed to the lower movable rod (512), and the sliding rod (72) is installed through the vertical section of the L-shaped plate (71) and slides with it; the limiting plate (73) is fixed to the end of the sliding rod (72) away from the lower rod (511), and the positioning block (74) is fixed to the end of the sliding rod (72) near the lower rod (511). The cross-section of the positioning block (74) is a right trapezoid, and the intersection of the top of the positioning block (74) and the side away from the limiting plate (73) is an inclined surface. The lower rod (5111) is provided with a slot (5111) that engages with the side of the positioning block (74) away from the limiting plate (73); one end of the reinforcing spring (75) is fixed to the side wall of the positioning block (74) near the limiting plate (73), and the other end is fixed to the side wall of the vertical section of the L-shaped plate (71) away from the limiting plate (73).

8. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 4, characterized in that: The clamping assembly (53) includes an installation unit (531), a connecting unit (532), and a clamping unit (533). The installation unit (531) includes a threaded sleeve (5311), a cross-shaped plate (5312), an adjusting nut (5313), and a reinforcing plate (5314). The threaded sleeve (5311) is fixed on the mounting rod (517), and the cross-shaped plate (5312) is sleeved on the threaded sleeve (5311) and slidably engaged with it. The adjusting nut (5313) is sleeved on the threaded sleeve (5311) and threadedly connected to it, and is rotatably connected to the side of the cross-shaped plate (5312) near the mounting rod (517). The reinforcing plate (5314) is C-shaped, and its two ends are fixed to the threaded sleeve (5311) and the mounting rod (517) respectively. The connecting unit (532) is provided in four sets and is evenly distributed around the threaded sleeve (5311). Each connecting unit (532) includes a connecting frame (5321), a connecting plate (5322), a first traction rod (5323), a second traction rod (5324), and a clamping seat (5325). The connecting frame (5321) is fixed to the side of the cross-shaped plate (5312) away from the mounting rod (517). One end of the first traction rod (5323) is connected to the connecting frame (5321). 1) Hinged; The connecting plate (5322) is fixed on the threaded sleeve (5311), one end of the second traction rod (5324) is hinged to the connecting plate (5322), and the clamping seat (5325) is hinged to the end of the second traction rod (5324) away from the connecting plate (5322). There are two second traction rods (5324) that are parallel to each other, and the end of the first traction rod (5323) away from the connecting frame (5321) is hinged to one of the second traction rods (5324). The clamping unit (533) is installed on the clamping seat (5325). The number of its sets is equal to the number of clamping seats (5325) and their positions correspond one-to-one. The four sets of clamping units (533) work together to clamp the transverse arc-shaped rod (1) and the longitudinal arc-shaped rod (2) to be welded.

9. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 8, characterized in that: The clamping seat (5325) has multiple mounting holes (53251) on the side near the axis of the threaded sleeve (5311). Each clamping unit (533) consists of multiple clamping parts. The number of clamping parts is equal to the number of mounting holes (53251) and their positions correspond one-to-one. The clamping parts include a clamping spring (5331), a sliding block (5332), a connecting rod (5333), and a clamping block (5334). One end of the clamping spring (5331) is fixed to the inner wall of the mounting hole (53251) away from the axis of the threaded sleeve (5311). The sliding block (5332) is slidably engaged with the mounting hole (53251). The connecting rod (5333) is fixed to the end of the sliding block (5332) away from the clamping spring (5331). The clamping block (5334) is fixed to the end of the connecting rod (5333) away from the clamping spring (5331).

10. The welding auxiliary equipment for an inner ring mesh shell structure according to claim 9, characterized in that: A threaded shaft (8) is threadedly connected to the mounting rod (517). The threaded shaft (8) is coaxially arranged with the threaded sleeve (5311). The outer diameter of the threaded shaft (8) is smaller than the inner diameter of the threaded sleeve (5311). A rubber block (81) is fixed at the end of the threaded shaft (8) away from the mounting rod (517).

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