CN210104983U - Two-connecting-rod rotating friction damper with replaceable friction plate - Google Patents
Two-connecting-rod rotating friction damper with replaceable friction plate Download PDFInfo
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- CN210104983U CN210104983U CN201920797303.9U CN201920797303U CN210104983U CN 210104983 U CN210104983 U CN 210104983U CN 201920797303 U CN201920797303 U CN 201920797303U CN 210104983 U CN210104983 U CN 210104983U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 95
- 239000010959 steel Substances 0.000 claims abstract description 95
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a two connecting rod rotational friction dampers of removable friction disc, including a bolt, a nut, three steel sheet and two friction discs that have the circular slot, the steel sheet that has the circular slot includes each vertical steel sheet in both ends, and middle horizontal steel sheet is the L type and places, and the friction disc is placed in the circular slot between steel sheet and steel sheet, has the steel sheet of circular slot and the two connecting rod rotational friction dampers that the friction disc constitutes removable friction disc through bolt and nut connection. The utility model discloses two connecting rod rotational friction damper nodes of removable friction disc can dissipate the energy that the earthquake brought by a wide margin, reach shock-resistant purpose. The structure form is simple, the installation and the uninstallation are convenient, and the maintenance and the replacement are convenient. The utility model discloses but wide application in ancient building timber structure tenon fourth of twelve earthly branches node's reinforcement, modern structure semi-rigid node and hinge node reinforce.
Description
Technical Field
The utility model relates to a two connecting rod rotational friction dampers of removable friction disc belongs to the structural engineering and consolidates the repair field. The method is particularly suitable for seismic reinforcement and repair requirements of mortise and tenon joints of traditional wooden structure ancient buildings, semi-rigid joints and hinged joints of modern structures.
Background
Traditional timber structure ancient building tenon fourth of twelve earthly branches node, modern structure semi-rigid node all resist and dissipate the energy that external load brought through the rigidity of node self, and modern structure hinge node resists and dissipates the energy that the outside brought through the deformation of the member etc. that the structure is connected, want to resist the energy that these external loads brought through the structure self for a long time almost impossible, and these energy are directly counterbalanced by the structure self, can be to the structure comparatively unfavorable influence, even lead to the structure to be destroyed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at overcoming the defect and not enough of ancient building timber structure, modern semi-rigid structure and hinge point structure power consumption technique, provide a two connecting rods of removable friction disc and rotate friction damper, reach the effect of consuming the energy that the structure warp and produce through adopting the mutual friction between steel sheet and the friction disc to increased the bulk stiffness of structure, greatly reduced the ground seismic force to the harm that the structure was constructed. The utility model discloses constitute two connecting rods of removable friction disc and rotate friction damper by high friction type material and steel sheet, mainly arouse the structure to take place to drive the damper rotation when big side is moved to large-scale earthquake, thereby produce frictional force and reach the purpose of power consumption.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
according to the utility model provides an embodiment, the utility model provides a two connecting rod rotational friction damper of removable friction disc, including a bolt, a nut, three steel sheet and two friction discs that have the circular slot, the steel sheet that has the circular slot includes each vertical steel sheet in both ends, and middle one horizontal steel sheet is the L type and places, and the friction disc is placed in the circular slot between steel sheet and steel sheet, and the steel sheet that has the circular slot through bolt and nut connection and the two connecting rod rotational friction damper of friction disc constitution removable friction disc.
To above-mentioned technical scheme, the utility model discloses still further preferred scheme.
Preferably, the two connecting rod rotary friction dampers with replaceable friction plates are connected through connecting steel sheets, prefabricated steel hoop rings are connected to the connecting steel sheets, and the steel hoop rings are sleeved on the columns and beams of the structure.
Preferably, the friction plate is a high-friction type friction plate, the diameter of the friction plate is 60-80mm, and the thickness of the friction plate is 6-10 mm; holes are reserved in the friction plate, and the diameter of each hole is 8-12 mm.
Preferably, the steel plate with the circular groove is a rolled steel plate, the maximum length is 800-1000mm, and the thickness is 15-25 mm; a circular groove is formed in advance, the diameter of the circular groove is matched with that of the friction plate, the depth of the circular groove is 2-4mm, a hole is reserved in the circular groove, and the diameter of the hole is 8-12 mm.
Preferably, the connecting steel sheet is a rolled steel sheet with the height of 280-320mm and the thickness of 6-10mm, and holes are reserved in the connecting steel sheet and have the diameter of 8-12 mm.
Preferably, the steel hoop is made of rolled steel sheets, the height of the rolled steel sheets is 200-260mm, the width of the rolled steel sheets is 40-60mm, and the thickness of the rolled steel sheets is 6-8 mm.
The utility model is characterized in that:
the utility model discloses use tenon fourth of the twelve earthly branches node, modern semi-rigid node and hinge node as major structure, high friction type friction disc is main power consumption component. The structure is connected with the two connecting rod rotating friction dampers with replaceable friction plates through bolts, bolt holes are reserved in connecting pieces of the two connecting rod rotating friction dampers with replaceable friction plates, the connecting pieces are connected in a seamless mode, the two connecting rod rotating friction dampers with replaceable friction plates are connected through reserved holes and are tightly connected through bolts, and extrusion force generated by the bolts enables large friction force to be generated between the high-friction type friction plates and the steel plate. When an earthquake reaches a certain level, the node of the two connecting rod rotating friction damper with the replaceable friction plate can generate corner displacement, and at the moment, the steel plate and the friction plate rotate relatively to generate larger friction force, so that energy caused by the earthquake is greatly dissipated, and the aim of resisting the earthquake is fulfilled. The tenon-and-mortise joint, the modern semi-rigid joint and the hinge joint are tightly connected with each other through the connecting steel sheet, the connecting steel hoop and the bolt and are connected with the two-connecting-rod rotary friction damper with the replaceable friction plate, so that the integrity between the two-connecting-rod rotary friction damper with the replaceable friction plate and the joint is enhanced.
The utility model has the advantages that: the utility model discloses a two connecting rod rotational friction damper nodes of removable friction disc are hinge structure, can produce the angle displacement with the structure node equidimension, can produce great frictional resistance under the condition that does not improve tenon fourth of the twelve earthly branches node, modern semi-rigid node and hinge node rigidity, reduce the influence of earthquake to the structure node by a wide margin, improve the shock resistance of structure. The utility model discloses a high friction type friction disc, the frictional force that the attenuator produced during the earthquake has sufficient power consumption nature and reaches the effect of resisting the earthquake load. The utility model discloses a two connecting rod rotational friction dampers of removable friction disc, structural style is simple, and the installation uninstallation is convenient, and each part of component can be dismantled alone, is convenient for equip maintenance and change in the active service period. The utility model discloses two connecting rods of removable friction disc rotate friction damper has good application prospect, but wide application in the reinforcement work of ancient building timber structure tenon fourth of twelve earthly branches node, also can exert outstanding effect in the semi-rigid node and the hinge node reinforcement of modern building.
Drawings
FIG. 1 is a schematic view of an embodiment of a two-link rotary friction damper with replaceable friction plates according to the present invention;
FIG. 2 is a schematic diagram of the split of the main energy consuming parts;
FIG. 3 is a schematic view of the combination of the steel hoop and the steel sheet connecting member;
FIG. 4 is a schematic exploded isometric view of a steel ferrule connection piece;
FIGS. 5(a), (b) are schematic diagrams of a steel ferrule connection, FIG. 5(a) is a top view, and FIG. 5(b) is a side view;
FIG. 6 is a schematic isometric view of a steel sheet connector.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the two-link rotary friction damper with replaceable friction plates comprises a bolt 1, a nut 7, three steel plates with circular grooves and two high-friction type friction plates, wherein the steel plates with the circular grooves are placed in an L shape, two vertical steel plates (front and rear vertical steel plates 2 and 6) and a transverse steel plate 4 are placed in the circular grooves between the steel plates, and the front and rear friction plates 3 and 5 are placed in the circular grooves between the steel plates to form the two-link rotary friction damper with replaceable friction plates.
The friction damper is connected with a connecting steel sheet 8, a prefabricated steel hoop ring 9 is connected on the connecting steel sheet 8, and the steel hoop ring 9 is respectively sleeved on a column 10 and a beam 11 of the structure.
As shown in figure 2, one side of the front vertical steel plate 2 with the circular groove is connected with a front friction plate 3, the front friction plate 3 is connected with any side of a transverse steel plate 4, the transverse steel plate 4 is connected with a rear friction plate 5, the rear friction plate 5 is connected with one side of the rear vertical steel plate 6 with the circular groove, hole positions on all components are aligned, and the components are tightly connected together through a bolt 1 and a nut 7. A two-link rotational friction damper with replaceable friction plates is completely installed.
As shown in figure 3, the schematic view of the combination of the connecting piece of the steel hoop 9 and the connecting steel sheet 8 is shown, the left connecting steel sheet 8-1 and the right connecting steel sheet 8-2 are aligned in parallel, the middle distance is just the thickness of the vertical steel sheet in figure 2, the upper left steel hoop 9-1, the lower left steel hoop 9-1, the right steel hoop 9-2, the left connecting steel sheet 8-1 and the right connecting steel sheet 8-2 are perpendicular, the hole sites on the component are aligned, the left steel hoop and the right steel hoop are connected in parallel at the upper hole sites and the lower hole sites of the left connecting steel sheet and the right connecting steel sheet and are aligned, and the installation of the connecting piece.
FIG. 4 shows a schematic exploded isometric view of a steel ferrule connection; FIGS. 5(a), (b) show top and side views, respectively, of a steel ferrule connection; figure 6 shows a schematic isometric view of a steel sheet connection.
In one embodiment, the two-link rotary friction damper with replaceable friction plates is a high-friction type friction plate, the diameter is preferably 60-80mm, the thickness is preferably 6-10mm, holes are reserved, and the diameter of each hole is preferably 8-12 mm. The vertical steel plate and the transverse steel plate are rolled steel plates, the maximum length is preferably 800-1000mm, the thickness is preferably 15-25mm, a circular groove is formed in advance, the diameter of the circular groove is matched with that of a friction plate, the depth of the circular groove is preferably 2-4mm, the friction plate is easy to embed, holes are reserved, and the diameter of the holes is preferably 8-12 mm. The connecting steel sheet 8 is a rolled steel sheet, the height is preferably 280-320mm, the thickness is preferably 6-10mm, a hole is reserved, and the diameter of the hole is preferably 8-12 mm. The steel hoop ring 9 of the two-connecting-rod rotary friction damper with replaceable friction plates is made of rolled steel sheets, the height is preferably 200-260mm, the width is preferably 40-60mm, and the thickness is preferably 6-8 mm.
All components of the two-connecting-rod rotary friction damper with replaceable friction plates are independent components, so that the two-connecting-rod rotary friction damper is convenient to install and easy to maintain and replace in a service period.
It should be noted that the above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, decoration, change or replacement that can be easily conceived by those skilled in the art without departing from the principle of the present invention is within the technical scope of the present invention. All the components not specified in the present embodiment can be realized by means of the prior art.
Claims (6)
1. The utility model provides a two connecting rod rotational friction dampers of removable friction disc which characterized in that, includes a bolt, a nut, three steel sheet and two friction discs that have the circular slot, the steel sheet that has the circular slot includes each vertical steel sheet in both ends, and a horizontal steel sheet in the middle of is the L type and places, and the friction disc is placed in the circular slot between steel sheet and steel sheet, and the two connecting rod rotational friction dampers that have the circular slot through bolt and nut connection and friction disc constitute removable friction disc.
2. The two-link rotary friction damper with replaceable friction plates as claimed in claim 1, wherein the two-link rotary friction damper with replaceable friction plates is connected by connecting steel sheets, prefabricated steel hoops are connected on the connecting steel sheets, and the steel hoops are sleeved on the columns and beams of the structure so as to tightly connect and fix the structure and the friction damper together.
3. The two-link rotary friction damper with replaceable friction plates as claimed in claim 1, wherein said friction plate is a high friction type friction plate having a diameter of 60-80mm and a thickness of 6-10 mm; holes are reserved in the friction plate, and the diameter of each hole is 8-12 mm.
4. The two-link rotary friction damper with replaceable friction plate as claimed in claim 1 or 3, wherein the steel plate with circular groove is rolled steel plate with maximum length of 800 and 1000mm and thickness of 15-25 mm; a circular groove is formed in advance, the diameter of the circular groove is matched with that of the friction plate, the depth of the circular groove is 2-4mm, a hole is reserved in the circular groove, and the diameter of the hole is 8-12 mm.
5. The two-link rotary friction damper with replaceable friction plates as claimed in claim 2, wherein the connecting steel sheet is rolled steel sheet with height of 280-320mm and thickness of 6-10mm, and the connecting steel sheet is provided with holes with diameter of 8-12 mm.
6. The two-link rotary friction damper with replaceable friction plates as claimed in claim 2 or 5, wherein the steel band is made of rolled steel plate with a height of 200 and 260mm, a width of 40-60mm and a thickness of 6-8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797303.9U CN210104983U (en) | 2019-05-30 | 2019-05-30 | Two-connecting-rod rotating friction damper with replaceable friction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797303.9U CN210104983U (en) | 2019-05-30 | 2019-05-30 | Two-connecting-rod rotating friction damper with replaceable friction plate |
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| Publication Number | Publication Date |
|---|---|
| CN210104983U true CN210104983U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920797303.9U Expired - Fee Related CN210104983U (en) | 2019-05-30 | 2019-05-30 | Two-connecting-rod rotating friction damper with replaceable friction plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663812A (en) * | 2020-12-14 | 2021-04-16 | 大连交通大学 | Lead viscoelastic steel bar bending-pulling deformation conversion self-resetting energy dissipation support |
| CN113863493A (en) * | 2021-09-17 | 2021-12-31 | 哈尔滨工业大学 | Full-assembly type self-resetting concrete beam column connecting node and assembling method |
-
2019
- 2019-05-30 CN CN201920797303.9U patent/CN210104983U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663812A (en) * | 2020-12-14 | 2021-04-16 | 大连交通大学 | Lead viscoelastic steel bar bending-pulling deformation conversion self-resetting energy dissipation support |
| CN112663812B (en) * | 2020-12-14 | 2021-11-30 | 大连交通大学 | Lead viscoelastic steel bar bending-pulling deformation conversion self-resetting energy dissipation support |
| CN113863493A (en) * | 2021-09-17 | 2021-12-31 | 哈尔滨工业大学 | Full-assembly type self-resetting concrete beam column connecting node and assembling method |
| CN113863493B (en) * | 2021-09-17 | 2023-01-03 | 哈尔滨工业大学 | Full-assembly type self-resetting concrete beam column connecting node and assembling method |
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Granted publication date: 20200221 |