CN218814481U - Metal composite friction energy dissipater - Google Patents
Metal composite friction energy dissipater Download PDFInfo
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- CN218814481U CN218814481U CN202222066649.6U CN202222066649U CN218814481U CN 218814481 U CN218814481 U CN 218814481U CN 202222066649 U CN202222066649 U CN 202222066649U CN 218814481 U CN218814481 U CN 218814481U
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Abstract
The utility model discloses a metal composite friction energy dissipater, include: the energy dissipater body, the energy dissipater body includes friction energy dissipation subassembly and crooked energy dissipation board, the friction energy dissipation subassembly includes first friction steel sheet and second friction steel sheet, the vertical parallel arrangement of first friction steel sheet is two, second friction steel sheet bilateral symmetry is equipped with two and vertical parallel arrangement, the vertical parallel arrangement of energy dissipation board is a plurality of and with the second friction steel sheet is perpendicular, and is a plurality of crooked energy dissipation board fixed connection is two between the second friction steel sheet, two the lateral surface of second friction steel sheet respectively with the relative side of two first friction steel sheets slides fixed connection, has solved the frictional force loss between the metal parts and has accelerated, consumes the effect of building structure vibrations load and descends fast, has reduced metal composite friction energy dissipater life's problem.
Description
Technical Field
The utility model relates to a building structure shock attenuation field, more specifically say, the utility model relates to a metal composite friction energy dissipater.
Background
In recent years, the metal composite friction energy dissipater is widely applied to the fields of civil buildings, structural seismic reinforcement and transformation projects, industrial factory buildings, commercial public buildings, lifeline projects and the like, the metal composite friction energy dissipater not only greatly improves the seismic capacity of the structure, but also saves the construction cost of relevant proportion compared with the traditional structural design method, and the metal composite friction energy dissipater has the characteristics of concise appearance, convenience and quickness in installation, small installation space, stability in the environmental temperature change range, no maintenance in the normal use state and flexible appearance design.
At present, the metal composite friction energy dissipater consumes energy through relative sliding friction between solid metal components with pretightening force, and when two contact surfaces generate relative displacement, reverse friction force is generated on the contact surfaces to convert the vibration energy of a building into heat energy for absorption. When the vibration load of the building is smaller than the maximum static friction force between the metal parts, the friction energy dissipater is in an adhesion state, the metal parts are relatively static, and the friction force between the metal parts cannot be lost; when the vibration load of the building is greater than the maximum static friction force of the metal parts, the metal parts slide relative to each other, and the vibration is consumed by the friction between the metal parts. When the vibration load applied to the building is larger than the friction force between the metal parts and the vibration level is smaller, the relative sliding distance between the metal parts is smaller, and when the vibration level is larger, the relative sliding distance between the metal parts is increased. Therefore, the vibrations load that receives at the building is greater than under the condition of the frictional force between the metal parts, no matter the earthquake of little magnitude of vibration or big magnitude of vibration, the metal parts in the metal composite friction energy dissipater all can produce relative slip and consume the vibrations load, has increased the relative slip number of times between the metal parts, makes the frictional force loss between the metal parts accelerate, consumes the effect of building structure vibrations load and descends fast, has reduced the life of metal composite friction energy dissipater, so the utility model provides a metal composite friction energy dissipater solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
1. Solves the technical problem
The utility model provides a metal composite friction energy dissipater has solved under the condition that the vibrations load that receives at the building is greater than the frictional force between the metal parts, no matter the earthquake of little magnitude of vibration or big magnitude of vibration, metal parts in the metal composite friction energy dissipater all can produce relative slip and consume the vibrations load, the relative slip number of times between the metal parts has been increased, make the frictional force loss between the metal parts accelerate, the effect of consuming building structure vibrations load descends fast, metal composite friction energy dissipater life's problem has been reduced.
2. Technical scheme
In order to realize the purpose, the utility model provides a metal composite friction energy dissipater, including the energy dissipater body, the energy dissipater body includes friction energy dissipation subassembly and crooked energy dissipation board, the friction energy dissipation subassembly includes first friction steel sheet and second friction steel sheet, the vertical parallel arrangement of first friction steel sheet is two, second friction steel sheet bilateral symmetry is equipped with two and vertical parallel arrangement, the vertical parallel arrangement of crooked energy dissipation board a plurality of and with the second friction steel sheet is perpendicular, a plurality of crooked energy dissipation board fixed connection is two between the second friction steel sheet, two the lateral surface of second friction steel sheet respectively with two relative sides of first friction steel sheet slide fixed connection, it is a plurality of the total bending stress that the yield strength of crooked energy dissipation board corresponds is less than frictional force between first friction steel sheet and the second friction steel sheet.
By adopting the technical scheme, when the building structure bears the earthquake with small earthquake magnitude, the bent energy dissipation plate firstly reaches the yield strength and absorbs the earthquake load with small earthquake magnitude, and at the moment, the first friction steel plate and the second friction steel plate cannot slide relatively; when the building structure bears the earthquake with large earthquake magnitude, the bending energy dissipation plate can absorb partial earthquake load, the first friction steel plate and the second friction steel plate slide relatively, but the bending energy dissipation plate absorbs partial earthquake load, the distance of the relative sliding between the first friction steel plate and the second friction steel plate is reduced, the loss speed of friction force between the first friction steel plate and the second friction steel plate is reduced, and the relative sliding between the first friction steel plate and the second friction steel plate is reduced when the building structure bears the earthquake with small earthquake magnitude, so that the service life of the metal composite friction energy dissipater is prolonged.
Preferably, the connecting plate further comprises two connecting plates, the two connecting plates are arranged in parallel up and down, the two first friction steel plates are arranged in parallel front and back, the top end of the first friction steel plate on the left side is connected with the lower surface of the left end of the upper connecting plate in a sliding manner, and the bottom end of the first friction steel plate on the left side is fixedly connected with the left end of the lower connecting plate; the top end of the first friction steel plate on the right side is fixedly connected with the lower surface of the right end of the upper connecting plate, and the bottom end of the first friction steel plate on the right side is slidably connected with the upper surface of the right end of the lower connecting plate.
By adopting the technical scheme, the connecting plate can transmit the vibration load of the structure into the friction energy dissipation assembly and the bending energy dissipation assembly, the upper connecting plate drives the first friction steel plate on the right side to reciprocate along the front-back direction between layers, and the lower connecting plate drives the first friction steel plate on the left side to reciprocate along the front-back direction between layers.
Preferably, the connecting plate comprises a first connecting plate, a first transmission belt and a second connecting plate, the first transmission belt is fixedly installed between the first connecting plate and the second connecting plate, the lower surface of the upper first connecting plate is fixedly connected with the top end of the first friction steel plate on the right side, and the lower surface of the upper second connecting plate is slidably connected with the top end of the first friction steel plate on the left side; the upper surface of the lower portion first connecting plate is fixedly connected with the bottom end of the left first friction steel plate, and the upper surface of the lower portion second connecting plate is slidably connected with the bottom end of the right first friction steel plate.
By adopting the technical scheme, if the upper structure and the lower structure are subjected to vibration in the left-right direction between layers, axial shear force can be applied to the inner parts of the upper structure and the lower structure, the first force transmission belt is arranged between the first connecting plate and the second connecting plate, the axial shear force of the structure can be absorbed by the first force transmission belt, and the structure is prevented from being damaged by the axial shear force.
Preferably, the energy dissipater further comprises embedded connecting members, the embedded connecting members comprise two embedded connecting plates and a second force transmission belt, the second force transmission belt is fixedly installed between the two embedded connecting plates, the two embedded connecting members are arranged in parallel up and down, and the energy dissipater body is fixedly installed between the two embedded connecting members through the upper connecting plate and the lower connecting plate.
By adopting the technical scheme, the embedded connecting component can provide a mounting position for the metal composite friction energy dissipater, the metal composite friction energy dissipater can be better fixedly connected with a building structure, and the second force transmission belt can be matched with the first force transmission belt to absorb the axial shear force of the structure, so that the damping effect is improved.
Preferably, the axis of the second force transmission belt in the upper embedded connecting component and the axis of the first force transmission belt in the upper embedded connecting component and the axis of the second force transmission belt in the lower embedded connecting component are in the same vertical plane.
By adopting the technical scheme, the first force transmission belt and the second force transmission belt synchronously absorb the axial shear of the structure, and the structure is prevented from being locally damaged due to the fact that the transmission of the axial shear of the structure at the upper part and the lower part is blocked.
Preferably, the first force transmission belt and the second force transmission belt are both rubber force transmission belts.
By adopting the technical scheme, the rubber force transmission belt can absorb shear stress in multiple directions, reduce the shearing force received in the structure and prevent the metal composite friction energy dissipater from being influenced by the shearing force of the structure.
The preferred, crooked energy dissipation board is including connecting picture peg, vertical energy dissipation board and horizontal energy dissipation board, the energy dissipation board with second friction steel sheet is perpendicular and vertical parallel arrangement is a plurality ofly, vertical energy dissipation board with horizontal energy dissipation board is the rectangular plate, vertical energy dissipation board with second friction steel sheet is perpendicular, vertical energy dissipation board bilateral symmetry is equipped with two, two fixedly connected with polylith between the vertical energy dissipation board horizontal energy dissipation board, it is equipped with two just to be parallel to each other to connect picture peg bilateral symmetry, connect picture peg fixed connection vertical energy dissipation board's outside limit and with vertical energy dissipation board is perpendicular, crooked energy dissipation board passes through connect picture peg fixed mounting two between the second friction steel sheet.
By adopting the technical scheme, the bending energy dissipation plate can absorb the vibration force in the horizontal direction of the structure and also can absorb the vertical vibration force of the structure, thereby increasing the adaptability of the energy dissipater.
Preferably, a plurality of connecting slots matched with the connecting insertion plates are vertically formed in two opposite side faces of the second friction steel plates, and the opening ends of the opposite side faces of the second friction steel plates are arranged to be splayed.
By adopting the technical scheme, the swing amplitude of the vertical energy dissipation plate can be increased, the energy dissipation effect of the energy dissipation plate is improved, the shearing force of the vertical inner side wall of the connecting slot on the vertical energy dissipation plate can be reduced, and the service life of the energy dissipation plate is prolonged.
The utility model discloses following beneficial effect has: when the building structure bears a small-magnitude earthquake, the bending energy dissipation plate reaches the yield strength first to absorb the small-magnitude earthquake load, and at the moment, the first friction steel plate and the second friction steel plate cannot slide relatively; when the building structure bears a large-earthquake-level earthquake, the bending energy dissipation plate can absorb part of earthquake load, the first friction steel plate and the second friction steel plate slide relatively, but the bending energy dissipation plate absorbs part of earthquake load, the distance between the first friction steel plate and the second friction steel plate which slide relatively is reduced, the loss speed of friction force between the first friction steel plate and the second friction steel plate is reduced, and when the building structure bears small-earthquake-level earthquake, the first friction steel plate and the second friction steel plate can not slide relatively, the relative sliding frequency between the first friction steel plate and the second friction steel plate is reduced, so that the service life of the metal composite friction energy dissipation device is prolonged.
Drawings
Fig. 1 is an installation schematic view of a metal composite friction energy dissipater according to the present invention;
figure 2 is a schematic structural view of an energy dissipater body of the metal composite friction energy dissipater of the present invention;
figure 3 is a schematic view of an energy dissipation assembly of the metal composite friction energy dissipater of the present invention;
fig. 4 is an enlarged view of a metal composite friction energy dissipater according to the present invention;
fig. 5 is a schematic view of a second friction steel plate of the metal composite friction energy dissipater according to the present invention;
figure 6 is an energy dissipation plate structure schematic diagram of a metal composite friction energy dissipater.
FIG. 1, upper structure; 2. a lower structure; 3. pre-burying a connecting plate; 4. an energy dissipater body; 41. sinking the bolt; 42. a first connecting plate; 43. a second connecting plate; 44. a first power transmission belt; 45. a first friction steel plate; 46. bending the energy dissipation plate; 461. connecting the plugboards; 462. a vertical energy dissipation plate; 463. a horizontal energy dissipation plate; 47. a second friction steel plate; 5. a second force transfer belt.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
The utility model provides a metal composite friction energy dissipater, as shown in figures 1 and 2, including energy dissipater body 4, connecting plate and pre-buried connecting elements, energy dissipater body 4 includes friction energy dissipation subassembly and crooked energy dissipation board 46, the friction energy dissipation subassembly includes first friction steel sheet 45 and second friction steel sheet 47, first friction steel sheet 45 is vertical about parallel arrangement two, second friction steel sheet 47 bilateral symmetry is equipped with two and vertical parallel arrangement, crooked energy dissipation board 46 is vertical parallel arrangement a plurality ofly and perpendicular with second friction steel sheet 47, as shown in figures 2 and 3, a plurality of energy dissipation board fixed connection are between two second friction steel sheet 47, two second friction steel sheet 47's lateral surface slides fixed connection with two relative sides of first friction steel sheet 45 respectively, first friction steel sheet 45 and second friction steel sheet 47 increase the frictional force between the two through the material nature of the two or add the combined material who establishes increase frictional force between the two, the bending stress that crooked energy dissipation board 46's yield strength corresponds is less than the frictional force between first friction steel sheet 45 and the second friction steel sheet 47; as shown in fig. 2, the two connecting plates are arranged in parallel up and down, and each connecting plate comprises a first connecting plate 42, a first force transmission belt 44 and a second connecting plate 43, the first force transmission belt 44 is fixedly installed between the first connecting plate 42 and the second connecting plate 43, the lower surface of the upper first connecting plate 42 is fixedly connected with the top end of the right first friction steel plate 45, the lower surface of the upper second connecting plate 43 is slidably connected with the top end of the left first friction steel plate 45, the upper surface of the lower first connecting plate 42 is fixedly connected with the bottom end of the left first friction steel plate 45, and the upper surface of the lower second connecting plate 43 is slidably connected with the bottom end of the right first friction steel plate 45; as shown in fig. 1, the pre-buried connecting components comprise two pre-buried connecting plates 3 and a second force transmission belt 5, the second force transmission belt 5 is fixedly installed between the two pre-buried connecting plates 3, two groups of pre-buried connecting components are arranged in parallel up and down, and the energy dissipater body 4 is fixedly installed between the two groups of pre-buried connecting components through the upper connecting plate and the lower connecting plate; the axis of the second force transmission belt 5 in the embedded connecting component and the axis of the first force transmission belt 44 in the connecting plate are in the same vertical plane, and the first force transmission belt 44 and the second force transmission belt 5 are both rubber force transmission belts.
As shown in fig. 6, the curved energy dissipation plate 46 includes a plurality of connecting insertion plates 461, vertical energy dissipation plates 462 and horizontal energy dissipation plates 463, the curved energy dissipation plates 46 are arranged vertically and parallel to the second friction steel plate 47, the vertical energy dissipation plates 462 and the horizontal energy dissipation plates 463 are rectangular plates, the vertical energy dissipation plates 462 are perpendicular to the second friction steel plate 47, two vertical energy dissipation plates 462 are arranged in bilateral symmetry, a plurality of horizontal energy dissipation plates 463 are fixedly connected between the two vertical energy dissipation plates 462, two connecting insertion plates 461 are arranged in bilateral symmetry and parallel to each other, the connecting insertion plates 461 are fixedly connected to the outer side edges of the vertical energy dissipation plates 462 and perpendicular to the vertical energy dissipation plates 462, as shown in fig. 3 and 4, the curved energy dissipation plates 46 are fixedly installed between the two second friction steel plates 47 through the connecting insertion plates 461, as shown in fig. 5, a plurality of connecting insertion slots matched with the connecting insertion plates 461 are formed in one vertical side surface of the two second friction steel plates 47, and the opening ends of the connecting insertion slots in the opposite side surfaces of the second friction steel plates 47 are in a splayed shape.
By adopting the utility model, the metal composite friction energy dissipater is fixedly arranged between the upper structure 1 and the lower structure 2 through the pre-embedded connecting components at the upper part and the lower part, when the building structure bears the earthquake with small magnitude, the bending energy dissipation plate 46 firstly reaches the yield strength to absorb the earthquake load with small magnitude, and at the moment, the first friction steel plate 45 and the second friction steel plate 47 can not slide relatively; when the building structure bears an earthquake with a large vibration level, the upper connecting plate drives the first friction steel plate 45 on the right side to reciprocate along the front-back direction between the layers, the lower connecting plate drives the first friction steel plate 45 on the left side to reciprocate along the front-back direction between the layers, so that the first friction steel plate 45 and the second friction steel plate 47 slide relatively, the bending energy dissipation plate 46 can absorb part of earthquake load, but as the bending energy dissipation plate 46 absorbs part of earthquake load, the distance of the first friction steel plate 45 and the second friction steel plate 47 sliding relatively is reduced, the friction loss speed between the first friction steel plate 45 and the second friction steel plate 47 is reduced, and when the building structure bears the vibration with a small vibration level, the first friction steel plate 45 and the second friction steel plate 47 cannot slide relatively, the relative sliding times between the first friction steel plate 45 and the second friction steel plate 47 are reduced, so that the service life of the metal composite friction energy dissipation device is prolonged. If the upper structure 1 and the lower structure 2 are subjected to vibration in the left-right direction between the layers, axial shearing force can be applied to the inner parts of the upper structure 1 and the lower structure 2, for example, axial shearing force is applied to a structure wall or a structure beam, and the first force transmission belt 44 arranged between the first connecting plate 42 and the second connecting plate 43, the second force transmission belt 5 in the embedded connecting elements and the horizontal energy dissipation plate 463 in the energy dissipation plate act together to absorb the axial shearing force of the structure, so that the structure is prevented from being subjected to axial shearing damage.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (8)
1. The metal composite friction energy dissipater is characterized by comprising an energy dissipater body (4), wherein the energy dissipater body (4) comprises two friction energy dissipation assemblies and two bent energy dissipation plates (46), each friction energy dissipation assembly comprises a first friction steel plate (45) and a second friction steel plate (47), the first friction steel plates (45) are vertically arranged in parallel, the second friction steel plates (47) are bilaterally symmetrically provided with two friction steel plates and are vertically arranged in parallel, the bent energy dissipation plates (46) are vertically arranged in parallel and are vertical to the second friction steel plates (47), the bent energy dissipation plates (46) are fixedly connected between the two second friction steel plates (47), the outer side faces of the two second friction steel plates (47) are respectively and fixedly connected with one opposite side faces of the two first friction steel plates (45) in a sliding mode, and the total bending stress corresponding to the yield strength of the bent energy dissipation plates (46) is smaller than the maximum static friction force between the first friction steel plates (45) and the second friction steel plates (47).
2. The metal composite friction energy dissipater according to claim 1, further comprising two connecting plates, wherein the two connecting plates are arranged in parallel up and down, the two first friction steel plates (45) are arranged in parallel front and back, the top end of the first friction steel plate (45) on the left side is connected with the lower surface of the left end of the upper connecting plate in a sliding manner, and the bottom end of the first friction steel plate (45) on the left side is fixedly connected with the left end of the lower connecting plate; the top end of the first friction steel plate (45) on the right side is fixedly connected with the lower surface of the right end of the upper connecting plate, and the bottom end of the first friction steel plate (45) on the right side is slidably connected with the upper surface of the right end of the lower connecting plate.
3. A metal composite friction dissipater according to claim 2, wherein the connecting plates comprise a first connecting plate (42), a first force transmission belt (44) and a second connecting plate (43), the first force transmission belt (44) is fixedly mounted between the first connecting plate (42) and the second connecting plate (43), the lower surface of the upper first connecting plate (42) is fixedly connected with the top end of the first friction steel plate (45) at the right side, and the lower surface of the upper second connecting plate (43) is slidably connected with the top end of the first friction steel plate (45) at the left side; the upper surface of the first connecting plate (42) at the lower part is fixedly connected with the bottom end of the first friction steel plate (45) at the left side, and the upper surface of the second connecting plate (43) at the lower part is slidably connected with the bottom end of the first friction steel plate (45) at the right side.
4. The metal composite friction energy dissipater of claim 3, characterized by further comprising embedded connecting members, wherein the embedded connecting members comprise two embedded connecting plates (3) and a second force transmission belt (5), the second force transmission belt (5) is fixedly installed between the two embedded connecting plates (3), the embedded connecting members are arranged in two groups in parallel up and down, and the energy dissipater body (4) is fixedly installed between the two groups of embedded connecting members through the upper connecting plate and the lower connecting plate.
5. A metal composite friction dissipater according to claim 4, wherein the axis of the second force transfer belt (5) in the embedded connection members is in the same vertical plane as the axis of the first force transfer belt (44) in the connection plate.
6. A metal composite friction dissipater according to claim 5, wherein the first force transfer belt (44) and the second force transfer belt (5) are both rubber force transfer belts.
7. A metal composite friction energy dissipater according to claim 1, wherein the curved energy dissipater (46) comprises a plurality of connecting insertion plates (461), vertical energy dissipaters (462) and horizontal energy dissipaters (463), the energy dissipaters are arranged vertically and in parallel with the second friction steel plates (47), the vertical energy dissipaters (462) and the horizontal energy dissipaters (463) are rectangular plates, the vertical energy dissipaters (462) are perpendicular to the second friction steel plates (47), the vertical energy dissipaters (462) are arranged in bilateral symmetry, a plurality of horizontal energy dissipaters (463) are fixedly connected between the two vertical energy dissipaters (462), the connecting insertion plates (461) are arranged in bilateral symmetry and in parallel with each other, the connecting insertion plates (461) are fixedly connected to the outer side edges of the vertical energy dissipaters (462) and are perpendicular to the vertical energy dissipaters (462), and the curved energy dissipater (46) is fixedly mounted between the two second friction steel plates (47) through the connecting insertion plates (461).
8. The metal composite friction energy dissipater according to claim 7, wherein a plurality of connecting slots matched with the connecting insertion plates (461) are vertically formed in one side face of the two second friction steel plates (47), and the opening ends of the connecting slots in the side face of the second friction steel plates (47) are splayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066649.6U CN218814481U (en) | 2022-08-06 | 2022-08-06 | Metal composite friction energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066649.6U CN218814481U (en) | 2022-08-06 | 2022-08-06 | Metal composite friction energy dissipater |
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| Publication Number | Publication Date |
|---|---|
| CN218814481U true CN218814481U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222066649.6U Active CN218814481U (en) | 2022-08-06 | 2022-08-06 | Metal composite friction energy dissipater |
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| Country | Link |
|---|---|
| CN (1) | CN218814481U (en) |
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- 2022-08-06 CN CN202222066649.6U patent/CN218814481U/en active Active
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