A three-way damping gap plugging device with a low melting point metal plate

Abstract

The present invention relates to a three-way damping gap plugging device with a low-melting-point metal plate, which mainly includes a first side plate, a second side plate, a first damper, a second damper, a third damper, a slider, a first low-melting-point metal plate, a first heating mechanism, a second low-melting-point metal plate and a second heating mechanism. When a configuration change occurs at a node, the first damper, the second damper and the third damper can be compressed or stretched, and cooperate with the second friction structure to constrain the movement rate of the node in two directions in the plane during the disengagement process, thereby generating resistance to prevent the node from disengaging, improving the impact resistance of the node, and preventing the node from disengaging. The three-way damping gap plugging device of the present invention can prevent the three-way damping gap plugging device from slipping, and then prevent the beam-column node from disengaging by virtue of its own damping force.

Description

Technical Field

[0001] The invention relates to the technical field of building structure reinforcement, and in particular to a three-way damping gap plugging device with a low-melting-point metal plate. Background Art

[0002] In both traditional and modern buildings and structures, gaps between components frequently occur due to manufacturing errors and installation process requirements. For example, in traditional wooden structures, gaps in the top and side walls often exist at beam-column joints. Working with gaps has become a common operating condition for structural components. Over their long service lives, deadweight and seismic loads can increase these gaps. Environmental factors also affect materials, which can also increase gaps at beam-column joints. Large gaps can loosen component connections, leading to horizontal swing or even twisting during earthquakes, significantly compromising the building's seismic resistance.

[0003] The prior art discloses a longitudinal seam caulking device, comprising: a first panel, wherein a plurality of guide seats are provided on the first panel; a second panel, which is arranged opposite to the first panel; a stranded wire, which is wound around the guide seat, wherein the first end of the stranded wire is connected to a stranded wire end seat, and the stranded wire end seat is fixedly connected to the second panel, and the second end of the stranded wire extends out of the space between the second panel and the first panel and is connected to a fastening device, wherein the fastening device can tighten and release the stranded wire; four groups of elastic components are provided, wherein the elastic components are arranged between the first panel and the second panel and are respectively close to the corners of the second panel, and the first end of the elastic component is fixed to the first panel Fixed connection, the second end of the elastic component is fixedly connected to the second panel; the air column is provided with two groups, the connecting line of one group of air columns intersects with the connecting line of the other group of air columns to form a cross, each group of air columns includes two air columns, and the first panel is provided with an air duct and an air groove connected to the first end of the air duct corresponding to each air column, the air column is an elastic hollow cylinder with an opening at the first end and a closed second end, a first limiting groove is provided around the air groove on the first panel, the first end of the air column is embedded in the first limiting groove and the opening is opposite to the air groove, the second end of the air column abuts the second panel, the second end of the air duct is provided with an air nozzle, and the air nozzle is connected to a pressure gauge.

[0004] The above-mentioned existing technology can achieve the function of gap plugging. However, during an earthquake, the gap will open and close repeatedly and irregularly as the earthquake continues, causing the size of the gap to change during the earthquake. The three-way damping gap plugging device that was originally firmly plugged is very likely to fall off due to the widening of the gap, resulting in the loss of the gap plugging effect, and it is even unable to prevent the beam-column node from falling out, nor can it provide a monitoring method for the amount of disengagement of the beam-column node. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the gap plugging device is easy to fall off from the gap when the gap vibrates and cannot prevent the beam-column node from falling out, thereby providing a three-way damping gap plugging device that can autonomously adjust its own opening and closing degree as the gap opens and closes, which can prevent the plugging device from slipping out of the gap, thereby preventing the beam-column node from falling out, and can also provide a monitoring means for the node falling out amount.

[0006] In order to solve the above problems, the present invention provides a three-way damping gap plugging device with a low-melting-point metal plate, comprising: a first side plate and a second side plate, the first side plate and the second side plate being arranged opposite to each other, an accommodating groove being formed on a side of the first side plate opposite to the second side plate, the accommodating groove being sequentially formed with a first groove section and a second groove section along a depth direction thereof, the cross-sectional area of ​​the first groove section being smaller than the cross-sectional area of ​​the second groove section; a first damper being arranged between the first side plate and the second side plate, and having a first end connected to the second side plate, and being adapted to provide resistance along a length direction thereof; a slider being adapted to slide in the second groove section of the first side plate, the first end of the first damper passing through the first groove section of the accommodating groove and being hingedly connected to the slider, the area of ​​the slider being larger than the area of ​​the first groove section, a first friction structure being provided between the first damper and the slider, and a second friction structure being provided between the slider and the first side plate;

[0007] The second damper and the third damper each have their main bodies connected to the first side plate, their pistons connected to the slider, and an angle formed between the directions of extension and contraction of the pistons of the second damper and the third damper; a first low-melting-point metal plate fixedly disposed on a side of the first side plate away from the second side plate, with a plurality of protrusions formed on the side of the first low-melting-point metal plate away from the first side plate; a first heating mechanism adapted to heat the first low-melting-point metal plate; a second low-melting-point metal plate fixedly disposed on a side of the second side plate away from the first side plate, with a plurality of protrusions formed on the side of the second low-melting-point metal plate away from the second side plate; and a second heating mechanism adapted to heat the second low-melting-point metal plate. Furthermore, the first side plate includes a base plate and a friction plate detachably connected to the base plate on a side of the base plate away from the first damper, with a second groove section for accommodating the groove formed between the base plate and the friction plate.

[0008] Furthermore, the first damper includes:

[0009] a cylinder body carrying a magnetorheological fluid therein;

[0010] The piston is movably inserted in the cylinder body and is divided into a rod chamber and a rodless chamber in the cylinder body. A plurality of communication holes for connecting the rod chamber and the rodless chamber are formed on the piston head;

[0011] The bottom supporting plate is slidably arranged in the rodless cavity and separates the magnetorheological fluid cavity and the air cavity in the rodless cavity. The cylinder body is provided with an air vent corresponding to the air cavity.

[0012] an electromagnetic assembly adapted to adjust the viscosity of the magnetorheological fluid; and / or,

[0013] The second damper includes:

[0014] a cylinder body carrying a magnetorheological fluid therein;

[0015] The piston is movably inserted in the cylinder body and is divided into a rod chamber and a rodless chamber in the cylinder body. A plurality of communication holes for connecting the rod chamber and the rodless chamber are formed on the piston head;

[0016] The bottom supporting plate is slidably arranged in the rodless cavity and separates the magnetorheological fluid cavity and the air cavity in the rodless cavity. The cylinder body is provided with an air vent corresponding to the air cavity.

[0017] an electromagnetic assembly adapted to adjust the viscosity of the magnetorheological fluid; and / or,

[0018] The third damper includes:

[0019] a cylinder body carrying a magnetorheological fluid therein;

[0020] The piston is movably inserted in the cylinder body and is divided into a rod chamber and a rodless chamber in the cylinder body. A plurality of communication holes for connecting the rod chamber and the rodless chamber are formed on the piston head;

[0021] The bottom supporting plate is slidably arranged in the rodless cavity and separates the magnetorheological fluid cavity and the air cavity in the rodless cavity. The cylinder body is provided with an air vent corresponding to the air cavity.

[0022] An electromagnetic assembly suitable for adjusting the viscosity of a magnetorheological fluid.

[0023] Furthermore, a first elastic member connected between one end of the cylinder body and the piston head is formed in the rod cavity, and the first elastic member is in a stretched state; and / or,

[0024] A second elastic member connected between the bottom supporting plate and one end of the cylinder body and the bottom supporting plate is formed in the air cavity.

[0025] Furthermore, the three-way damping gap plugging device further comprises:

[0026] An acceleration detection module, which is suitable for detecting the acceleration value of the environment in which the three-way damping gap plugging device is located;

[0027] The control module is communicatively connected with the acceleration detection module and the electromagnetic component, and is adapted to control the electromagnetic component to adjust the viscosity of the magnetorheological fluid according to the detection result of the acceleration detection module.

[0028] Furthermore, the acceleration detection module includes:

[0029] a first acceleration sensor disposed on one of the first side plate and the second side plate and disposed toward the other of the first side plate and the second side plate;

[0030] A second acceleration sensor is disposed on one of the first side plate and the second side plate, and is disposed toward an embedding direction of the three-way damping gap plugging device and is perpendicular to the direction of the first acceleration sensor;

[0031] The third acceleration sensor is disposed on one of the first side plate and the second side plate and is perpendicular to the directions of the first acceleration sensor and the second acceleration sensor.

[0032] Furthermore, the second damper is slidably disposed on the first side plate, and a sliding direction of the second damper forms an angle with a telescopic direction of its piston; and / or,

[0033] The third damper is slidably disposed on the first side plate, and a sliding direction of the third damper forms an angle with a stretching direction of its piston.

[0034] Furthermore, the three-way damping gap plugging device further comprises:

[0035] at least one set of first tensioning mechanisms, each set of first tensioning mechanisms including two first tensioning mechanisms symmetrically distributed on the first end of the first side plate, first alloy wire holes corresponding in number to the first tensioning mechanisms formed in the first side plate, first ends of the first alloy wire holes being located on a side of the first side plate close to the second side plate and disposed close to the second end of the first side plate, and second ends of the first alloy wire holes being located at the first tensioning mechanisms;

[0036] at least two first shape memory alloy wires, a first end of each first shape memory alloy wire being fixedly connected to the second side plate, each first shape memory alloy wire passing through a first alloy wire hole and a second end being connected to the first tensioning mechanism;

[0037] at least one set of second tensioning mechanisms, each set of second tensioning mechanisms including two second tensioning mechanisms symmetrically distributed on the first end of the second side plate, the second side plate being formed with second alloy wire holes corresponding in number to the second tensioning mechanisms, the first ends of the second alloy wire holes being located on a side of the first side plate close to the first damper and being arranged close to the second end of the second side plate, the second ends of the second alloy wire holes being located at the second tensioning mechanisms;

[0038] At least two second shape memory alloy wires, a first end of each second shape memory alloy wire is fixedly connected to the first side plate, each second shape memory alloy wire passes through a second alloy wire hole and a second end is connected to the second tensioning mechanism.

[0039] Furthermore, a limiting hole extending in the thickness direction of the first side plate and the second side plate is formed at the first end thereof, and the first tensioning mechanism includes:

[0040] A winding post is rotatably inserted into the limiting hole, and a first shape memory alloy wire is wound around the winding post;

[0041] The turbine is fixedly mounted on the winding column;

[0042] a worm gear, which is rotatably disposed on the first side plate and meshes with the turbine, and a handle is formed on the worm gear;

[0043] The second tensioning mechanism includes:

[0044] A winding post is rotatably arranged in the limiting hole, and the second shape memory alloy wire is wound around the winding post;

[0045] A turbine, which is sleeved on a winding column;

[0046] The worm rod is rotatably arranged on the second side plate and meshes with the turbine. A handle is formed on the worm rod.

[0047] Furthermore, the three-way damping gap plugging device further comprises:

[0048] a sensing pen fixedly disposed on one of the first side plate and the second side plate;

[0049] The sensing grid is fixedly arranged on the other of the first side plate and the second side plate and abuts against the touch head of the sensing pen.

[0050] The present invention has the following advantages:

[0051] The three-way damping gap plugging device with a low-melting-point metal plate of the present invention mainly includes a first side plate, a second side plate, a first damper, a second damper, a third damper, a slider, a first low-melting-point metal plate, a first heating mechanism, a second low-melting-point metal plate and a second heating mechanism. The operator can adjust the first side plate and the second side plate so that the first side plate and the second side plate are opposite to each other, and adjust the slider so that its position in the second groove section is as centered as possible. Then, the distance between the first side plate and the second side plate is adjusted according to the width of the gap so that the total thickness of the three-way damping gap plugging device is slightly smaller than the total width of the gap. At this time, the first damper is in a compressed state due to the adjustment of the distance between the first side plate and the second side plate. Then, the three-way damping gap plugging device is embedded into the gap, and the three-way damping gap plugging device is relaxed. The first damper can be extended by its own elastic restoring force so that the first side plate and the second side plate are tightly fitted with the side walls of the gap respectively.

[0052] Therefore, the three-way damping gap plugging device with a low-melting-point metal plate of the present invention is in a compressed state when embedded in the gap. When the gap vibrates, it can use its own elastic restoring force to adjust its own opening and closing degree as the gap opens and closes, thereby avoiding the formation of a gap between the three-way damping gap plugging device and the side wall of the gap, causing the three-way damping gap plugging device to slip.

[0053] In addition, the first heating mechanism and the second heating mechanism are controlled to heat so that the first low-melting-point metal plate and the second low-melting-point metal plate are softened by heat, and the softened first low-melting-point metal plate can be squeezed into the concave and convex surface of the gap side wall. Then the first heating mechanism and the second heating mechanism are powered off, and the first low-melting-point metal plate and the second low-melting-point metal plate are hardened, and conformal protrusions matching the concave and convex surface of the gap side wall are formed on the surface, thereby preventing the three-way damping gap plugging device from escaping from the beam-column node and increasing the applicability of the three-way damping gap plugging device to the concave and convex gap side wall surface.

[0054] On this basis, when the configuration changes at the node, the first damper expands and contracts under the action of external force, thereby providing resistance along the length direction of the first damper, and the first side plate and the second side plate are relatively displaced with the tendency of the beam to disengage. At this time, driven by the hinged end of the first damper, the slider is relatively displaced relative to the first side plate, so that the second damper and the third damper can be compressed or stretched, and cooperate with the first friction structure and the second friction structure to constrain the movement rate in two directions in the plane during the node disengagement. Therefore, the three-way damping gap plugging device of the present invention can also generate resistance to prevent the node from disengaging, thereby improving the impact resistance of the node, preventing movement between different side walls of the gap, and preventing the node from disengaging.

[0055] To sum up, the three-way damping gap plugging device with a low-melting-point metal plate of the present invention can overcome the defect that the three-way damping gap plugging device in the prior art is easily separated from the gap when the gap vibrates, thereby providing a three-way damping gap plugging device that can autonomously adjust its own opening and closing degree as the gap opens and closes, which can prevent the three-way damping gap plugging device from slipping, and then prevent the beam-column node from falling out with the help of the damping force of the three-way damping gap plugging device itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0057] Figure 1A perspective view showing a three-way damping gap plugging device having a low-melting-point metal plate according to an embodiment of the present invention;

[0058] Figure 2 An exploded view of a three-way damping gap plugging device according to an embodiment of the present invention;

[0059] Figure 3 A cross-sectional view of a damper of a three-way damping gap plugging device according to an embodiment of the present invention;

[0060] Figure 4 An exploded view of a damper of a three-way damping gap plugging device according to an embodiment of the present invention;

[0061] Figure 5 It is a first tensioning mechanism of the three-way damping gap plugging device according to an embodiment of the present invention;

[0062] Figure 6 The second damper and the connecting member of the three-way damping gap plugging device according to the embodiment of the present invention;

[0063] Figure 7 A fixing member of the three-way damping gap plugging device according to an embodiment of the present invention;

[0064] Figure 8 The second side plate of the three-way damping gap plugging device according to an embodiment of the present invention;

[0065] Figure 9 The first side plate of the three-way damping gap plugging device according to an embodiment of the present invention;

[0066] Figure 10 The present invention provides a sensing pen for a three-way damping gap plugging device.

[0067] Description of reference numerals:

[0068] 100. Three-way damping gap plugging device; 11. First side plate; 111. Base plate; 112. Friction plate; 113. Guide groove; 12. Second side plate; 13. Accommodating groove; 131. First groove section; 132. Second groove section; 3a. First damper; 3b. Second damper; 3c. Third damper; 31. Cylinder body; 311. Breathing hole; 32. Piston; 321. Piston head; 322. Connecting hole; 33. Bottom support plate; 34. Slider; 35. Connecting member; 36. Fixing member; 361. Accommodating recess; 362. T-key; 38. First elastic member; 39. Second elastic member; 41. First tensioning mechanism ; 42. Second tensioning mechanism; 421. First alloy wire hole; 422. Second alloy wire hole; 43. First shape memory alloy wire; 45. Second shape memory alloy wire; 46. Winding column; 47. Turbine; 48. Turbine rod; 49. Limiting hole; 51. First low-melting-point metal plate; 52. Second low-melting-point metal plate; 53. First heating mechanism; 54. Second heating mechanism; 55. Heating mesh fixing groove; 61. Induction pen; 611. Fixed section; 612. Induction section; 613. Second spring; 614. Spring cavity; 71. First acceleration sensor; 72. Second acceleration sensor; 73. Third acceleration sensor. DETAILED DESCRIPTION

[0069] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0070] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0071] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0072] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0073] Figure 1 A three-dimensional view of a three-way damping gap plugging device 100 having a low-melting-point metal plate according to an embodiment of the present invention is shown. Figure 2 FIG. 1 is an exploded view of a three-way damping gap plugging device 100 according to an embodiment of the present invention. Figure 1 and Figure 2 As shown, this embodiment relates to a three-way damping gap plugging device 100 with a low-melting-point metal plate, including a first side plate 11, a second side plate 12, a first damper 3a, a slider 34, a second damper 3b, a third damper 3c, a first low-melting-point metal plate 51, a first heating mechanism 53, a second low-melting-point metal plate 52, and a second heating mechanism 54. The first side plate 11 and the second side plate 12 are arranged opposite to each other. A receiving groove 13 is formed on the side of the first side plate 11 opposite to the second side plate 12. The receiving groove 13 is sequentially formed with a first groove section 131 and a second groove section 132 along its depth direction. The cross-sectional area of ​​the first groove section 131 is smaller than the cross-sectional area of ​​the second groove section 132.

[0074] The first damper 3a is disposed between the first side panel 11 and the second side panel 12, with its first end fixedly connected to the second side panel 12, providing resistance along its length. A slider 34 is adapted to slide within the second slot 132 of the first side panel 11. The first end of the first damper 3a passes through the first slot 131 of the receiving groove 13 and is hingedly connected to the slider 34. The area of ​​the slider 34 is larger than that of the first slot 131. A first friction structure is provided between the first damper 3a and the slider 34, and a second friction structure is provided between the slider 34 and the first side panel 11.

[0075] The bodies of the second damper 3b and the third damper 3c are both connected to the first side plate 11. The pistons 32 of the second damper 3b and the third damper 3c are both connected to the slider 34. The expansion and contraction directions of the pistons 32 of the second damper 3b and the third damper 3c form an angle.

[0076] The three-way damping gap plugging device 100 with a low-melting-point metal plate according to an embodiment of the present invention primarily comprises a first side plate 11, a second side plate 12, a first damper 3a, a second damper 3b, a third damper 3c, a slider 34, a first low-melting-point metal plate 51, a first heating mechanism 53, a second low-melting-point metal plate 52, and a second heating mechanism 54. The operator can adjust the first and second side plates 11, 12 so that they face each other and adjust the slider 34 so that its position within the second slot section 132 is as centered as possible. The distance between the first and second side plates 11, 12 is then adjusted according to the width of the gap, so that the total thickness of the three-way damping gap plugging device 100 is slightly smaller than the total width of the gap. At this point, the first damper 3a is compressed due to the adjusted distance between the first and second side plates 11, 12. Then embed the three-way damping gap plugging device 100 into the gap, and release the three-way damping gap plugging device 100. The first damper 3a can extend through its own elastic restoring force to make the first side plate 11 and the second side plate 12 fit tightly with the side walls of the gap respectively.

[0077] Therefore, the three-way damping gap plugging device 100 with a low-melting-point metal plate in this embodiment is in a compressed state when embedded in the gap. When the gap vibrates, it can use its own elastic restoring force to adjust its own opening and closing degree as the gap opens and closes, thereby avoiding the formation of a gap between the three-way damping gap plugging device 100 and the side wall of the gap, causing the three-way damping gap plugging device 100 to slip.

[0078] In addition, the first heating mechanism 53 and the second heating mechanism 54 are controlled to heat, causing the first low-melting-point metal plate 51 and the second low-melting-point metal plate 52 to soften due to the heat. The softened first low-melting-point metal plate 51 can be squeezed into the concave and convex surface of the gap sidewall. Then, the first heating mechanism 53 and the second heating mechanism 54 are powered off, causing the first low-melting-point metal plate 51 and the second low-melting-point metal plate 52 to harden and form conformal protrusions on their surfaces that match the concave and convex surface of the gap sidewall. This prevents the three-way damping gap caulking device 100 from falling out of the beam-column joint and increases its applicability to gaps with concave and convex sidewall surfaces.

[0079] On this basis, when the configuration changes at the node, the first damper 3a is affected by external force and expands and contracts, thereby providing resistance along the length direction of the first damper 3a. The first side plate 11 and the second side plate 12 are relatively displaced with the tendency of the beam to disengage. At this time, driven by the hinged end of the first damper 3a, the slider 34 is relatively displaced relative to the first side plate 11, so that the second damper 3b and the third damper 3c can be compressed or stretched, and cooperate with the first friction structure and the second friction structure to constrain the movement rate in two directions of the plane during the node disengagement. Therefore, the three-way damping gap plugging device 100 of this embodiment can also generate resistance to prevent the node from disengaging, thereby improving the impact resistance of the node, preventing movement between different side walls of the gap, and preventing the node from disengaging.

[0080] To sum up, the three-way damping gap plugging device 100 with a low-melting-point metal plate in the embodiment of the present invention can overcome the defect that the three-way damping gap plugging device 100 in the prior art is easily separated from the gap when the gap vibrates, thereby providing a three-way damping gap plugging device 100 that can autonomously adjust its own opening and closing degree as the gap opens and closes, which can prevent the three-way damping gap plugging device 100 from slipping, and then prevent the beam-column node from falling out with the help of the damping force of the three-way damping gap plugging device 100 itself.

[0081] The first friction structure may be a damping hinge connected between the first damper 3a and the slider 34. Preferably, in this embodiment, the first damping structure includes a friction ball and a ball-jointed bowl. The friction ball is formed at the first end of the first damper 3a. The ball-jointed bowl is formed on the side of the slider 34 close to the first damper 3a. The friction ball is confined in the ball-jointed bowl and can rotate relative to the ball-jointed bowl. At the same time, the contact surface between the friction ball and the ball-jointed bowl can generate resistance that hinders the rotation of the first damper 3a. A damping layer is formed on at least one of the friction ball and the ball-jointed bowl, which can increase the maximum static friction between the friction ball and the ball-jointed bowl. The damping layer may be a frosted surface formed on the friction ball or the ball-jointed bowl, or an anti-slip material sandwiched between the friction ball and the ball-jointed bowl. Preferably, in this embodiment, the damping layer is a friction and anti-slip material coated on the friction ball or the ball-jointed bowl.

[0082] In this embodiment, the extension and retraction directions of the second damper 3b and the third damper 3c can be parallel to the plane on which the slider 34 is located, or at a certain angle to the plane on which the slider 34 is located. Preferably, the extension and retraction directions of the second damper 3b and the third damper 3c are both set to be parallel to the slider 34. This ensures that when the first side plate 11 and the second side plate 12 move relative to each other, the pistons 32 of the second damper 3b and the third damper 3c can extend and retract and provide a damping effect. Furthermore, the second damper 3b and the third damper 3c do not interfere with each other during movement, and the slider 34 is less likely to have dead angles within its range of motion.

[0083] The angle between the extension and contraction directions of the second damper 3b and the third damper 3c can be an acute angle, a right angle, or an obtuse angle. Preferably, in this embodiment, the angle between the second damper 3b and the third damper 3c is a right angle.

[0084] The first side plate 11 can be integral. Preferably, in this embodiment, the first side plate 11 includes a base plate 111 and a friction plate 112 detachably connected to the base plate 111 on a side of the base plate 111 away from the damper. The second groove section 132 of the accommodating groove 13 is formed between the base plate 111 and the friction plate 112. The second friction structure can be a frosted surface formed on either the slider 34 or the friction plate 112, or a non-slip material sandwiched between the slider 34 and the friction plate 112. Preferably, in this embodiment, the second friction structure includes a damping and non-slip material coated on at least one of the slider 34 and the friction plate 112.

[0085] The first damper 3a is preferably, but not limited to, a liquid damper, a gas damper, an electromagnetic damper, etc. Figure 3 and Figure 4 As shown, in this embodiment, the first damper 3a includes a cylinder body 31, a piston 32, a bottom support plate 33 and an electromagnetic assembly. Among them, the cylinder body 31 carries magnetorheological fluid. The piston 32 can be movably inserted into the cylinder body 31, and separates a rod cavity and a rodless cavity in the cylinder body 31. A plurality of connecting holes 322 connecting the rod cavity and the rodless cavity are formed on the piston head 321 of the piston 32. The bottom support plate 33 can be slidably set in the rodless cavity, and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity, and an air vent 311 is formed on the cylinder body 31 corresponding to the air cavity. The electromagnetic assembly is suitable for adjusting the viscosity of the magnetorheological fluid.

[0086] When the first damper 3a is compressed, the piston 32 moves toward the rodless cavity. The magnetorheological fluid in the rodless cavity can enter the rod cavity through the connecting hole 322 in the piston head 321, shortening the overall length of the first damper 3a. As the piston rod of the piston 32 enters the rod cavity, the air between the bottom support plate 33 and the cylinder body 31 is forced out through the vent hole 311, reducing the volume of the air cavity and creating space for the piston rod to enter the cylinder body 31.

[0087] When the first damper 3a is stretched, the magnetorheological fluid in the rod chamber can flow into the rodless chamber through the connecting hole 322 in the piston head 321, thereby extending the overall length of the first damper 3a. As the piston rod is withdrawn from the cylinder 31, air enters the air chamber through the air vent 311, increasing its volume and allowing the piston rod to be withdrawn smoothly.

[0088] By using the electromagnetic assembly to adjust the viscosity of the magnetorheological fluid, the flow rate of the magnetorheological fluid through the communication hole 322 can be changed, thereby adjusting the power of the first damper 3a. For example, when the magnetism increases, the flow rate of the magnetorheological fluid through the communication hole decreases, and the power of the first damper 3a increases.

[0089] The second damper 3b is preferably, but not limited to, a liquid damper, a gas damper, an electromagnetic damper, etc. Preferably, in this embodiment, the second damper 3b includes a cylinder body 31, a piston 32, a bottom support plate 33, and an electromagnetic assembly. The cylinder body 31 carries magnetorheological fluid. The piston 32 can be movably inserted into the cylinder body 31, and separates a rod cavity and a rodless cavity in the cylinder body 31. A plurality of connecting holes 322 connecting the rod cavity and the rodless cavity are formed on the piston head 321 of the piston 32. The bottom support plate 33 can be slidably set in the rodless cavity, and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity. An air vent 311 is formed on the cylinder body 31 at a position corresponding to the air cavity. The electromagnetic assembly is suitable for adjusting the viscosity of the magnetorheological fluid.

[0090] When the second damper 3b is compressed, the piston 32 moves toward the rodless chamber. The magnetorheological fluid in the rodless chamber can flow into the rod chamber through the connecting hole 322 in the piston head 321, shortening the overall length of the second damper 3b. As the piston rod enters the rod chamber, air in the air chamber flows out through the vent hole 311, reducing the volume of the air chamber and freeing up space for the piston rod to enter the cylinder 31.

[0091] When the second damper 3b is extended, the magnetorheological fluid in the rod cavity can flow into the rodless cavity through the connecting hole 322 in the piston head 321, thereby extending the overall length of the second damper 3b. As the piston rod is withdrawn from the cylinder 31, air enters the air cavity through the air vent 311, increasing its volume and allowing the piston rod to be withdrawn smoothly.

[0092] By using the electromagnetic assembly to adjust the viscosity of the magnetorheological fluid, the ability of the magnetorheological fluid to flow through the communication hole 322 can be changed, thereby adjusting the power of the second damper 3b. For example, when the magnetism increases, the ability of the magnetorheological fluid to flow through the communication hole decreases, and the power of the second damper 3b increases.

[0093] The third damper 3c is preferably, but not limited to, a liquid damper, a gas damper, an electromagnetic damper, etc. Preferably, in this embodiment, the third damper 3c includes a cylinder body 31, a piston 32, a bottom support plate 33, and an electromagnetic assembly. The cylinder body 31 carries magnetorheological fluid. The piston 32 can be movably inserted into the cylinder body 31, and separates a rod cavity and a rodless cavity in the cylinder body 31. A plurality of connecting holes 322 connecting the rod cavity and the rodless cavity are formed on the piston head 321 of the piston 32. The bottom support plate 33 can be slidably set in the rodless cavity, and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity. An air vent 311 is formed on the cylinder body 31 at a position corresponding to the air cavity. The electromagnetic assembly is suitable for adjusting the viscosity of the magnetorheological fluid.

[0094] When the third damper 3c is compressed, the piston 32 moves toward the rodless chamber. The magnetorheological fluid in the rodless chamber can flow into the rod chamber through the connecting hole 322 in the piston head 321, shortening the overall length of the third damper 3c. As the piston rod enters the rod chamber, air in the air chamber flows out through the vent hole 311, reducing the volume of the air chamber and freeing up space for the piston rod to enter the cylinder 31.

[0095] When the third damper 3c is extended, the magnetorheological fluid in the rod chamber can flow into the rodless chamber through the connecting hole 322 in the piston head 321, thereby extending the overall length of the third damper 3c. As the piston rod is withdrawn from the cylinder 31, air enters the air chamber through the air vent 311, increasing its volume and allowing the piston rod to be withdrawn smoothly.

[0096] By using the electromagnetic assembly to adjust the viscosity of the magnetorheological fluid, the flow rate of the magnetorheological fluid through the communication hole 322 can be changed, thereby adjusting the power of the third damper 3c. For example, when the magnetism increases, the flow rate of the magnetorheological fluid through the communication hole decreases, and the power of the third damper 3c increases.

[0097] Preferably, in this embodiment, a first elastic member 38 is formed within the rod cavity, connected between one end of the cylinder 31 and the piston head 321. The first elastic member 38 is in a stretched state. When the three-way damping gap plugging device 100 is inserted into the gap, the piston rod can extend into the cylinder 31, stretching the first elastic member 38. This generates a force that prevents the first side plate 11 and the second side plate 12 from approaching each other, allowing the first side plate 11 and the second side plate 12 to fit tightly against the side walls of the gap. This also enhances the supporting force of the first damper 3a, ensuring that one first damper 3a can support the first side plate 11 and the second side plate 12. When the side walls of the gap change in shape, causing the damper to be compressed, the piston rod can move toward the rodless cavity, further stretching the first elastic member 38, thereby providing a force that prevents the first side plate 11 and the second side plate 12 from approaching each other, thereby enhancing the shock absorption effect of the damper. The first elastic member 38 is preferably, but not limited to, an elastic band or a spring.

[0098] A second elastic member 39 is formed within the air cavity, connecting the bottom support plate 33 and one end of the cylinder 31. When the sidewalls of the gap change shape, causing the damper to be compressed, the piston rod moves toward the rodless cavity, compressing the bottom support plate 33 away from the rodless cavity. The compression of the second elastic member 39 provides damping to prevent the damper from compressing, thereby enhancing the damping effect.

[0099] When the damper is stretched, the piston 32 can move away from the rodless cavity, reducing the volume occupied by the piston rod within the cylinder 31. The bottom support plate 33 can move toward the rodless cavity, and the second elastic element can be stretched, thereby providing damping to prevent the damper from stretching, thereby improving the damping effect of the damper. The second elastic member 39 is preferably, but not limited to, a spring or elastic band.

[0100] When the first elastic member 38 and the second elastic member 39 are provided in the first damper 3a, the damping effect of the first damper 3a can be improved to ensure that the first damper 3a can support the first side plate 11 and the second side plate 12; when the air cavity and the second elastic member 39 are provided, the volume of the damper itself can be effectively reduced.

[0101] Preferably, in this embodiment, the three-way damping gap plugging device 100 further includes an acceleration detection module and a control module. The acceleration detection module is suitable for detecting the acceleration value of the environment in which the three-way damping gap plugging device 100 is located. The control module is communicatively connected with the acceleration detection module and the electromagnetic component, and is suitable for controlling the electromagnetic component to adjust the viscosity of the magnetorheological fluid according to the detection result of the acceleration detection module. For example, when the acceleration detection module detects that the vibration of the environment in which the three-way damping gap plugging device 100 is located is small, the electromagnetic component is controlled to reduce the viscosity of the magnetorheological fluid.

[0102] For example, when the acceleration detection module detects that the ambient vibration exceeds the acceleration threshold, it can trigger the magnetism of the electromagnetic component to increase, causing the flow capacity of the magnetorheological fluid at the connecting hole 322 to decrease, thereby increasing the power of the damper. Therefore, the power of the damper of the three-way damping gap plugging device 100 of this embodiment can be automatically adjusted, and has good adaptability to the environment.

[0103] The acceleration detection module may optionally include an acceleration sensor disposed between the first side panel 11 and the second side panel 12. Preferably, to ensure more comprehensive and accurate data collection from the acceleration sensor, in this embodiment, the acceleration detection module includes a first acceleration sensor 71, a second acceleration sensor 72, and a third acceleration sensor 73. The first acceleration sensor 71 is disposed on one of the first side panel 11 and the second side panel 12, and faces the other of the first side panel 11 and the second side panel 12.

[0104] The second acceleration sensor 72 is disposed on one of the first side plate 11 and the second side plate 12, and is disposed in the embedding direction of the three-way damping gap plugging device 100 and is perpendicular to the orientation of the first acceleration sensor. The third acceleration sensor 73 is disposed on one of the first side plate 11 and the second side plate 12 and is perpendicular to the orientation of the first acceleration sensor 71 and the second acceleration sensor 72.

[0105] The control module can optionally be configured to integrate the detection results of the first acceleration sensor 71, the second acceleration sensor, and the third acceleration sensor 73 to obtain the overall acceleration of the environment in which the three-way damping gap plugging device 100 is located, and then control the electromagnetic assembly based on the overall acceleration. Preferably, the control module can also be configured to control the first damper 3a based on the detection results of the first acceleration sensor 71, the second damper 3b based on the detection results of the second acceleration sensor 72, and the third damper 3c based on the detection results of the third acceleration sensor 73. In this way, the dampers in the three directions of the three-way damping gap plugging device 100 can be specifically controlled based on the acceleration in the three directions, resulting in more precise control and further improving the impact resistance of the node.

[0106] In order to ensure that when the first side plate 11 and the second side plate 12 move relative to each other at various angles, the piston rods of the second damper 3b and the third damper 3c can adapt to the movement of the slider 34 and expand and contract and provide damping force. Preferably, in this embodiment, the second damper 3b and the third damper 3c are slidably arranged on the first side plate 11. The sliding direction of the second damper 3b forms an angle with the expansion and contraction direction of its piston 32. The sliding direction of the third damper 3c forms an angle with the expansion and contraction direction of its piston 32. For example, in this embodiment, the angle between the sliding direction of the second damper 3b and the expansion and contraction direction of its piston 32 is a right angle. The angle between the sliding direction of the third damper 3c and the expansion and contraction direction of its piston 32 is a right angle.

[0107] like Figure 6 and Figure 7 As shown, the second damper 3b and the first side plate 11 may be optionally connected via a guide groove 113, or a guide groove 113 may be formed on one of the second damper 3b and the first side plate 11, and a protrusion suitable for sliding in the guide groove 113 may be formed on the other. Preferably, in this embodiment, the three-way damping gap plugging device 100 further includes a fixing member 36. The second damper 3b is fixedly arranged in the fixing member 36. The fixing member 36 is formed with an accommodating groove 13 suitable for matching and accommodating the second damper 3b. The first side plate 11 is formed with a guide groove 113, and the bottom of the fixing member 36 is formed with a protrusion suitable for sliding in the guide groove 113. In order to prevent the fixing member 36 from falling off the first side plate 11. A T-shaped key 362 is provided on the bottom surface of the protrusion, and the T-shaped key 362 has the same cross-sectional shape as the guide groove 113, thereby reliably limiting the fixing member 36 in the guide groove 113. When the node undergoes a configuration change, the second damper 3 b and the main body of the second damper 3 b can slide in the guide groove 113 , and the other end can maintain the same motion form as the slider 34 .

[0108] The third damper 3c and the first side plate 11 may be optionally connected via a slide rail, or a guide groove 113 may be formed on one of the third damper 3c and the first side plate 11, and a protrusion suitable for sliding in the guide groove 113 may be formed on the other. Preferably, in this embodiment, the three-way damping gap plugging device 100 further includes a fixing member 36. The third damper 3c is fixedly arranged in the fixing member 36. The fixing member 36 is formed with an accommodating groove 13 suitable for matching and accommodating the second damper 3b. A guide groove 113 is formed on the second side plate 12, and a protrusion suitable for sliding in the guide groove 113 is formed on the bottom of the fixing member 36. In order to prevent the fixing member 36 from falling off the first side plate 11, a T-shaped key 362 is provided on the bottom surface of the protrusion. The T-shaped key 362 has the same cross-sectional shape as the guide groove 113, thereby reliably limiting the fixing member 36 in the guide groove 113.

[0109] Preferably, in order to prevent the first side plate 11 and the second side plate 12 of the three-way damping gap plugging device 100 from deflecting under the action of external force, resulting in an inability to fit tightly with the gap, in this embodiment, the three-way damping gap plugging device 100 also includes at least one group of first tensioning mechanisms 41, at least two first shape memory alloy wires 43, at least one group of second tensioning mechanisms 42 and at least two second shape memory alloy wires 45.

[0110] Among them, such as Figure 5 、 Figure 8 and Figure 9 As shown, each set of first tensioning mechanisms 41 includes two first tensioning mechanisms 41 symmetrically distributed on the first end of the first side plate 11. A corresponding number of first alloy wire holes 421 are formed in the first side plate 11. The first ends of the first alloy wire holes 421 are located on a side of the first side plate 11 proximal to the second side plate 12 and are disposed proximal to the second end of the first side plate 11. The second ends of the first alloy wire holes 411 extend to the first tensioning mechanisms 41.

[0111] The first end of each first shape memory alloy wire 43 is fixedly connected to the second side plate 12 . The second end of each first shape memory alloy wire 43 passes through a first alloy wire hole 421 and is connected to the first tensioning mechanism 41 .

[0112] Each set of second tensioning mechanisms 42 includes two second tensioning mechanisms 42 symmetrically distributed on the first end of the second side plate 12. The second side plate 12 is formed with a corresponding number of second alloy wire holes 422. The first ends of the second alloy wire holes 422 are located on the side of the first side plate 11 proximal to the first damper 3a and are positioned near the second end of the second side plate 12. The second ends of the second alloy wire holes 422 extend to the second tensioning mechanisms 42.

[0113] At least two second shape memory alloy wires 45 , each second shape memory alloy wire 45 has a first end fixedly connected to the first side plate 11 , and each second shape memory alloy wire 45 passes through a second alloy wire hole 422 and has a second end connected to the second tensioning mechanism 42 .

[0114] Therefore, at least two first shape memory alloy wires 43 and at least two second shape memory alloy wires 45 can cause the first side panel 11 and the second side panel 12 to move closer together, and the first damper 3a can rely on its own supporting force and damping force to prevent the first side panel 11 and the second side panel 12 from moving closer together or separating. The first side panel 11 and the second side panel 12 can remain relatively stable under the supporting force of the first damper 3a and the tensioning force of the first shape memory alloy wire 43 and the second shape memory alloy wire 45.

[0115] Furthermore, since the first shape memory alloy wire 43 and the second shape memory alloy wire 45 can be tensioned from the four corners of the first side panel 11 and the second side panel 12 respectively, the tension provided by them can ensure that the first side panel 11 and the second side panel 12 are in a stable state. When the gap of the beam-column node repeatedly opens and closes irregularly as the earthquake continues, the first shape memory alloy wire 43 and the second shape memory alloy wire 45 can be stretched and rely on their own tensioning properties to achieve a follow-up adjustment effect during the earthquake, thereby avoiding the formation of gaps between the three-way damping gap plugging device 100 and the side walls of the gap, and preventing the three-way damping gap plugging device 100 from escaping from the gap.

[0116] The first tensioning mechanism 41 may be formed at the end of the first side plate 11, on the side of the first side plate 11 proximal to the second side plate 12, or partially within the first side plate 11. Preferably, in this embodiment, a stopper hole 49 extending along the thickness of each of the first and second side plates 11 and 12 is formed at the first end. The first tensioning mechanism 41 includes a winding post 46, a turbine 47, and a worm gear 48. The winding post 46 is rotatably inserted through the stopper hole 49, and the first shape memory alloy wire 43 is wound around the winding post 46. The turbine 47 is fixedly mounted on the winding post 46. The worm gear 48 is rotatably disposed on the first side plate 11 and meshes with the turbine 47. The worm gear 48 is provided with a handle.

[0117] After the operator places the three-way damping gap plugging device 100 into the gap of the beam-column node, the operator can rotate the worm by turning the handle, and drive the turbine 47 to rotate, so that the first shape memory alloy wire 43 is wound on the winding column 46 to put the first shape memory alloy wire 43 in a tensioned state, ensuring that the first side plate 11 and the second side plate 12 can be reliably constrained at an angle that matches the side walls of the gap.

[0118] The second tensioning mechanism 42 includes a winding post 46, a turbine 47, and a worm shaft 48. The winding post 46 is rotatably inserted into a stopper hole 49, and the second shape memory alloy wire 45 is wound around the winding post 46. The turbine 47 is sleeved around the winding post 46. The worm shaft 48 is rotatably mounted on the second side plate 12 and meshes with the turbine 47. A handle is formed on the worm shaft 48.

[0119] After the operator places the three-way damping gap plugging device 100 into the gap of the beam-column node, the operator can rotate the worm by turning the handle, and drive the turbine 47 to rotate, so that the second shape memory alloy wire 45 is wound on the winding column 46 to put the second shape memory alloy wire 45 in a tensioned state, ensuring that the first side plate 11 and the second side plate 12 can be reliably constrained at an angle that matches the side wall of the gap.

[0120] To provide a means for monitoring the amount of node dislodgment, preferably, in this embodiment, the gap plugging device further includes a sensing pen 61 and a sensing grid 62. The sensing pen 61 is fixedly mounted on the first side panel 11. The sensing grid 62 is fixedly mounted on the second side panel 12 and abuts against the touch head of the sensing pen 61.

[0121] In this embodiment, if Figure 10 As shown, the sensing pen 61 includes a fixed section 611, a sensing section 612, and a second spring 613. The fixed section 611 is fixedly mounted on one of the first side panel 11 and the second side panel 12. A spring cavity 614 extending along its length is formed within one of the fixed section 611 and the sensing section 612. The other of the fixed section 611 and the sensing section 612 is slidably inserted within the spring cavity 614. The touch head is formed at the end of the sensing section 612 away from the fixed section 611. The second spring 613 is disposed within the spring cavity 614 and supported between the fixed section 611 and the sensing section 612. The second spring 613 supports the sensing section 612, causing the gap to change shape, resulting in the first side panel 11 and the second side panel 12 moving closer or farther apart. This allows the sensing pen 61 to maintain contact with the sensing grid 62, enabling the sensing grid 62 to record the starting and ending positions of the sensing pen 61 after the gap is deformed by force.

[0122] Next, the method for using the three-way damping gap plugging device 100 according to the embodiment of the present invention is described:

[0123] Step 1: Adjust the first side plate 11 and the second side plate 12 so that the first side plate 11 and the second side plate 12 face each other, and adjust the position of the slider 34 in the accommodating groove 13 so that its position in the accommodating groove 13 is as centered as possible.

[0124] Step 2: Adjust the distance between the first side plate 11 and the second side plate 12 according to the width of the gap so that the thickness of the three-way damping gap plugging device 100 is slightly smaller than the total width of the gap. At this time, the first damper 3a is compressed to a certain extent.

[0125] Step 3: Embed the compressed device into the gap of the beam-column node, relax the three-way damping gap plugging device 100, and release the compression of the first damper 3a, so that the first side plate 11 and the second side plate 12 are respectively in contact with the side walls of the gap.

[0126] Step 4: Power is applied to the first and second heating mechanisms 53, 54, causing the first and second low-melting-point metal plates 51, 52 to soften. Under the diastolic pressure of the first damper 3a, the softened low-melting-point metal plates are squeezed into the concave and convex surfaces of the slit sidewalls. The first and second heating mechanisms 53, 54 are then de-energized, causing the first and second low-melting-point metal plates 51, 52 to harden and form conformal protrusions on their surfaces that match the concave and convex surfaces of the slit sidewalls.

[0127] Step 5: Rotate the handle to tighten the first shape memory alloy wire 43 and the second shape memory alloy wire 45 to a limit that does not cause the damper to generate new deformation.

[0128] Step 6: Record the current position of the sensing pen 61 on the sensing grid 62 as the initial value for monitoring the deformation of the beam-column node. When the beam-column node undergoes a shape change due to force, the position of the sensing pen 61 on the sensing grid 62 changes. The displacement trajectory of the sensing pen 61 can be recorded, and the final monitoring value after the displacement can also be recorded. The difference between the final monitoring value and the initial monitoring value is the node displacement.

[0129] To sum up, the three-way damping gap plugging device 100 of the present invention can overcome the defect of the three-way damping gap plugging device 100 in the prior art that it is easy to fall off from the gap when the gap vibrates, thereby providing a three-way damping gap plugging device 100 that can autonomously adjust its own opening and closing degree as the gap opens and closes, which can prevent the three-way damping gap plugging device 100 from slipping, and then use the damping force of the three-way damping gap plugging device 100 itself to prevent the beam-column node from falling out, and can also provide a monitoring means for the node falling out.

[0130] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A three-way damping gap plugging device with a low melting point metal plate, characterized in that: include: A first side plate (11) and a second side plate (12), the first side plate (11) and the second side plate (12) being arranged opposite to each other, an accommodating groove (13) being formed on a side of the first side plate (11) opposite to the second side plate (12), the accommodating groove (13) being sequentially formed with a first groove section (131) and a second groove section (132) along a depth direction thereof, the cross-sectional area of ​​the first groove section (131) being smaller than the cross-sectional area of ​​the second groove section (132); a first damper (3a), which is arranged between the first side plate (11) and the second side plate (12), and the first end of which is connected to the second side plate (12), and is suitable for providing resistance along its length direction; a slider (34) adapted to slide in the second slot section (132) of the first side plate (11); a first end of the first damper (3a) passing through the first slot section (131) of the accommodating groove (13) and being hingedly connected to the slider (34); an area of ​​the slider (34) being larger than an area of ​​the first slot section (131); a first friction structure being provided between the first damper (3a) and the slider (34); and a second friction structure being provided between the slider (34) and the first side plate (11); The second damper (3b) and the third damper (3c) have their main bodies connected to the first side plate (11), the pistons (32) of the second damper (3b) and the third damper (3c) are connected to the slider (34), and an angle is formed between the expansion and contraction directions of the pistons (32) of the second damper (3b) and the third damper (3c); a first low-melting-point metal plate (51) fixedly disposed on a side of the first side plate (11) away from the second side plate (12), wherein a plurality of protrusions are formed on the side of the first low-melting-point metal plate (51) away from the first side plate (11); a first heating mechanism (53) adapted to heat the first low-melting-point metal plate (51); a second low-melting-point metal plate (52) fixedly disposed on a side of the second side plate (12) away from the first side plate (11), wherein a plurality of protrusions are formed on the side of the second low-melting-point metal plate (52) away from the second side plate (12); The second heating mechanism (54) is adapted to heat the second low-melting-point metal plate (52).

2. The three-way damping gap plugging device according to claim 1, characterized in that: The first side plate (11) comprises a base plate (111) and a friction plate (112) detachably connected to the base plate (111) on a side of the base plate (111) away from the first damper (3a), and the second groove section (132) of the accommodating groove (13) is formed between the base plate (111) and the friction plate (112).

3. The three-way damping gap plugging device according to claim 1, characterized in that: The first damper (3a) comprises: a cylinder (31) containing magnetorheological fluid; A piston (32) is movably inserted into the cylinder (31) and separates a rod chamber and a rodless chamber in the cylinder (31). A piston head (321) of the piston (32) is formed with a plurality of communication holes (322) communicating with the rod chamber and the rodless chamber; A bottom supporting plate (33) is slidably disposed in the rodless cavity and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity. An air vent (311) is formed on the cylinder body (31) at a position corresponding to the air cavity. an electromagnetic assembly adapted to adjust the viscosity of the magnetorheological fluid; and / or, The second damper (3b) comprises: a cylinder (31) containing magnetorheological fluid; A piston (32) is movably inserted into the cylinder (31) and separates a rod chamber and a rodless chamber in the cylinder (31). A piston head (321) of the piston (32) is formed with a plurality of communication holes (322) communicating with the rod chamber and the rodless chamber; A bottom supporting plate (33) is slidably disposed in the rodless cavity and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity. An air vent (311) is formed on the cylinder body (31) at a position corresponding to the air cavity. an electromagnetic assembly adapted to adjust the viscosity of the magnetorheological fluid; and / or, The third damper (3c) comprises: a cylinder (31) containing magnetorheological fluid; A piston (32) is movably inserted into the cylinder (31) and separates a rod chamber and a rodless chamber in the cylinder (31). A piston head (321) of the piston (32) is formed with a plurality of communication holes (322) communicating with the rod chamber and the rodless chamber; A bottom supporting plate (33) is slidably disposed in the rodless cavity and separates a magnetorheological fluid cavity and an air cavity in the rodless cavity. An air vent (311) is formed on the cylinder body (31) at a position corresponding to the air cavity. An electromagnetic assembly suitable for adjusting the viscosity of a magnetorheological fluid.

4. The three-way damping gap plugging device according to claim 3, characterized in that: A first elastic member (38) connected between one end of the cylinder body (31) and the piston head (321) is formed in the rod cavity, and the first elastic member (38) is in a stretched state; and / or, A second elastic member (39) is formed in the air cavity and is connected between the bottom supporting plate (33) and one end of the cylinder body (31) and the bottom supporting plate (33).

5. The three-way damping gap plugging device according to claim 3, characterized in that: The three-way damping gap plugging device (100) further comprises: an acceleration detection module, adapted to detect the acceleration value of the environment in which the three-way damping gap plugging device (100) is located; A control module is communicatively connected with the acceleration detection module and the electromagnetic component, and is adapted to control the electromagnetic component to adjust the viscosity of the magnetorheological fluid according to a detection result of the acceleration detection module.

6. The three-way damping gap plugging device according to claim 5, characterized in that: The acceleration detection module includes: a first acceleration sensor (71) disposed on one of the first side plate (11) and the second side plate (12) and facing the other of the first side plate (11) and the second side plate (12); a second acceleration sensor (72) disposed on one of the first side plate (11) and the second side plate (12), and arranged toward the embedding direction of the three-way damping gap plugging device (100) and perpendicular to the orientation of the first acceleration sensor; The third acceleration sensor (73) is arranged on one of the first side plate (11) and the second side plate (12) and is perpendicular to the orientation of the first acceleration sensor (71) and the second acceleration sensor (72).

7. The three-way damping gap plugging device according to any one of claims 1 to 6, characterized in that: The second damper (3b) is slidably arranged on the first side plate (11), and the sliding direction of the second damper (3b) forms an angle with the extension and contraction direction of its piston (32); and / or, The third damper (3c) is slidably arranged on the first side plate (11), and the sliding direction of the third damper (3c) forms an angle with the extension and contraction direction of its piston (32).

8. The three-way damping gap plugging device according to any one of claims 1 to 6, characterized in that: The three-way damping gap plugging device (100) further comprises: At least one group of first tensioning mechanisms (41), each group of first tensioning mechanisms (41) comprising two first tensioning mechanisms (41) symmetrically distributed on the first end of the first side plate (11), first alloy wire holes (421) corresponding in number to the number of the first tensioning mechanisms (41) being formed in the first side plate (11), the first ends of the first alloy wire holes (421) being located on a side of the first side plate (11) close to the second damper (3b) and being arranged close to the second end of the first side plate (11), the second ends of the first alloy wire holes (421) being located at the first tensioning mechanism (41); at least two first shape memory alloy wires (43), a first end of each first shape memory alloy wire (43) being fixedly connected to the second side plate (12), and each first shape memory alloy wire (43) passing through one first alloy wire hole (421) and a second end being connected to the first tensioning mechanism (41); At least one group of second tensioning mechanisms (42), each group of second tensioning mechanisms (42) comprising two second tensioning mechanisms (42) symmetrically distributed on the first end of the second side plate (12), the second side plate (12) being formed with second alloy wire holes (422) corresponding in number to the number of the second tensioning mechanisms (42), the first end of the second alloy wire hole (422) being located on a side of the first side plate (11) close to the first damper (3a) and being arranged close to the second end of the second side plate (12), the second end of the second alloy wire hole (422) being located at the second tensioning mechanism (42); At least two second shape memory alloy wires (45), the first end of each second shape memory alloy wire (45) being fixedly connected to the first side plate (11), and each second shape memory alloy wire (45) passing through a second alloy wire hole (422) and the second end being connected to the second tensioning mechanism (42).

9. The three-way damping gap plugging device according to claim 8, characterized in that: A limiting hole (49) extending in the thickness direction of the first side plate (11) and the second side plate (12) is formed at the first end thereof, and the first tensioning mechanism (41) comprises: a winding post (46) rotatably inserted into the limiting hole (49), the first shape memory alloy wire (43) being wound around the winding post (46); a turbine (47) fixedly sleeved on the winding post (46); a worm rod (48) rotatably disposed on the first side plate (11) and meshing with the turbine (47), wherein a handle is formed on the worm rod (48); The second tensioning mechanism (42) comprises: a winding post (46) rotatably inserted into the limiting hole (49), the second shape memory alloy wire (45) being wound around the winding post (46); a turbine (47) which is sleeved on the winding post (46); A worm rod (48) is rotatably arranged on the second side plate (12) and meshed with the turbine (47). A handle is formed on the worm rod (48).

10. The three-way damping gap plugging device according to any one of claims 1 to 6, characterized in that: The three-way damping gap plugging device (100) further comprises: a sensing pen (61) fixedly mounted on one of the first side plate (11) and the second side plate (12); The sensing grid (62) is fixedly arranged on the other of the first side plate (11) and the second side plate (12), and abuts against the touch head of the sensing pen (61).

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