CN112376727B - Assembled wall structure - Google Patents
Assembled wall structure Download PDFInfo
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- CN112376727B CN112376727B CN202011234969.7A CN202011234969A CN112376727B CN 112376727 B CN112376727 B CN 112376727B CN 202011234969 A CN202011234969 A CN 202011234969A CN 112376727 B CN112376727 B CN 112376727B
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- 238000013016 damping Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims 1
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- 238000013461 design Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000011178 precast concrete Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The application discloses assembled wall structure includes: the device comprises a first rotating assembly (3-1), a second rotating assembly (3-2), a first base block (7-1), a second base block (7-2) and a box body; the second rotating assembly (3-2) has the same structure as the first rotating assembly (3-1), and the first base block (7-1) has the same structure as the second base block (7-2). Adopt this application one kind assembled wall structure, the anti yawing force performance that can effectual improvement assembly type structure.
Description
Technical Field
The application relates to the field of assembly type buildings (corresponding to classification numbers E04B2/00) and the like, in particular to an assembly type wall body structure.
Background
The assembly type building is a building form which is developed in China at present, and building components of the assembly type building are prefabricated in a factory and then installed on site. Due to the characteristics, the problems of insufficient joint connection strength, insufficient lateral force resistance and the like are caused.
Therefore, many scholars continuously strive to solve the above-mentioned problems.
For example: north China university of Articity: CN108149812A discloses an assembled anti-seismic frame structure, which includes a sliding main plate, a sliding sub-plate, a friction plate, and a connecting bolt, wherein one end of the sliding main plate is provided with a plurality of connecting bolt holes, and the other end from the connecting bolt holes to the sliding main plate is provided with a plurality of sliding long holes; the friction plates comprise two blocks which are symmetrically arranged at two sides of the sliding main plate, the length of each friction plate is greater than that of the sliding long hole and less than that of the sliding main plate, and a plurality of pressing bolt holes are uniformly arranged at intervals at positions on the friction plates corresponding to the sliding long holes; the sliding auxiliary plate comprises two sliding main plates which are symmetrically arranged on two sides of the sliding main plate and located on the outer side of the friction plate, a plurality of pressing bolt holes are evenly arranged at intervals on the sliding auxiliary plate corresponding to the sliding long holes, one end, far away from the pressing bolt holes, of the sliding auxiliary plate is provided with a plurality of connecting bolt holes, and the sliding auxiliary plate is connected with the friction plate through the pressing bolt holes and the connecting bolt holes.
For another example: college university: CN206987070U provides a steel construction assembled wallboard node, including steel construction roof beam, precast concrete superstructure, precast concrete interior wall, rubber support, stopper, precast concrete superstructure and precast concrete interior wall between arrange the rubber support according to certain interval, be provided with the bolt hole on the upper and lower connecting steel plate of rubber support, correspond with the internal thread sleeve pipe that arranges on precast concrete interior wall, the precast concrete floor and cover, be connected with it through the bolt.
For another example: nanchang aviation university: CN210459687U has provided an assembly type building wall based on girder steel, including girder steel structure and wallboard structure, girder steel structure and support column structure cooperation parallel arrangement have a multiunit, multiunit the side of girder steel structure is filled by wallboard structure and is sealed, the spacing groove has been seted up to girder steel structure's both sides, and the bottom of spacing groove is provided with a set of slide rail, one side structure towards the spacing groove of wallboard structure has the stopper of cooperation spacing groove, and the spout of cooperation slide rail is seted up to the bottom of stopper, wallboard structure's top is built between two parties has a set of butt joint piece, and wallboard structure's bottom is seted up a set of butt joint groove between two parties, one side of wallboard structure is constructed the extension cardboard of outside extension, and wallboard structure keeps away from one side of extending the cardboard and is constructed the inside sunken cardboard and agrees with the groove.
From this, it is known that, in the prior art, the following are related: the research on how to improve the lateral resistance of the fabricated building is not enough.
Disclosure of Invention
An object of the present application is to provide an assembled wall structure which overcomes the disadvantages of the prior art.
A prefabricated wall structure is arranged between an upper box beam (1) and a lower beam (2);
it includes: the device comprises a first rotating assembly (3-1), a second rotating assembly (3-2), a first base block (7-1), a second base block (7-2) and a box body; the second rotating assembly (3-2) has the same structure as the first rotating assembly (3-1), and the first base block (7-1) has the same structure as the second base block (7-2);
wherein, the box includes: a first side wall (5-1), a second side wall (5-2), and a viscous damping fluid inside the box body; the first side wall (5-1) and the second side wall (5-2) of the wall body are parallel to each other and extend along the length direction of the beam;
wherein the first rotating assembly (3-1) comprises: an upper limiting plate (3-1-1), an upper connecting rod (3-1-2) and a rotating plate body (3-1-3);
wherein the box beam (1) comprises: the lower flange plate (1-1) is provided with a first hole, the upper connecting rod (3-1-2) is arranged in the first hole, and a rotating bearing (4-1) is arranged in the first hole so as to facilitate the rotation of the first rotating assembly (3-1); the upper limiting plate (3-1-1) is arranged at the upper part of the lower flange plate (1-1) and is arranged in the box-shaped space (1-2); a vertical limiting bearing (4-2) is arranged between the upper limiting plate (3-1-1) and the upper surface of the lower flange plate (1-1);
when the box beam (1) at the upper part and the lower beam (2) are displaced relatively, the rotating plate bodies (3-1-3) of the first rotating assembly (3-1) and the second rotating assembly (3-2) can rotate.
Further, the first rotating assembly (3-1) further comprises: a lower connecting rod (3-1-4) and a lower gear (3-1-5); the upper limiting plate (3-1-1), the upper connecting rod (3-1-2), the rotating plate body (3-1-3), the lower connecting rod (3-1-4) and the lower gear (3-1-5) are fixedly connected in sequence from top to bottom, the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are overlapped, and the upper connecting rod and the lower connecting rod are vertically arranged; the lower gear (3-1-5) horizontally rotates and rotates around the central axis of the lower connecting rod (3-1-4);
wherein, a first base block (7-1) is arranged on the lower beam (2), a first rack (6-1) is arranged on the side surface of the first base block (7-1), a first rack (6-1) is arranged on the surface of the first base block (7-1) opposite to the surface of the second side wall (5-2), and the first rack (6-1) extends along the length direction of the beam; the first rack (6-1) is meshed with a lower gear (3-1-5) of the first rotating assembly (3-1).
Further, the second rotating assembly (3-2) comprises: the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear are arranged on the rotating plate body; the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear are fixedly connected in sequence from top to bottom, the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are overlapped, and the upper connecting rod and the lower connecting rod are vertically arranged; the lower gear rotates horizontally and rotates around the lower connecting rod; the lower flange plate is provided with a second hole, the upper connecting rod is arranged in the second hole, and a rotating bearing is arranged in the second hole so as to facilitate the rotation of the first rotating assembly; the upper limiting plate is arranged at the upper part of the lower flange plate and is arranged in the box-shaped space; a vertical limiting bearing is arranged between the upper limiting plate and the upper surface of the lower flange plate; a second base block (7-2) is arranged on the lower beam (2), a second rack (6-2) is arranged on the side face of the second base block (7-2), a second rack (6-2) is arranged on the face, opposite to the first side wall (5-1), of the second base block (7-2), and the second rack (6-2) extends along the length direction of the beam; the second rack (6-2) is meshed with a lower gear of the second rotating assembly (3-2).
Further, the first side wall (5-1) is fixedly arranged on the first base block (7-1); the second side wall (5-2) is fixedly arranged on the second base block (7-2).
Further, the first side wall (5-1) is fixedly arranged on the lower beam; the second side wall (5-2) is fixedly arranged on the lower beam.
Furthermore, the first rotating assembly (3-1) and the second rotating assembly (3-2) are identical in structure, and the rotating plate body of the first rotating assembly (3-1) and the rotating plate body of the second rotating assembly (3-2) are arranged between the first side wall (5-1) and the second side wall (5-2) of the wall body respectively.
Further, the first rack is provided on the left side of the lower gear (3-1-5) of the first rotating assembly (3-1), and the second rack is provided on the right side of the lower gear (3-1-5) of the second rotating assembly (3-2)
Sequentially setting from left to right: the viscous damping fluid device comprises a first side wall (5-1), a first rack (6-1), a first rotating assembly (3-1), a second rotating assembly (3-2), a second rack (6-2) and a second side wall (5-2), wherein when the viscous damping fluid moves, the speed is constantly increased when the viscous damping fluid passes between the rotating plate body of the first rotating assembly (3-1) and the rotating plate body of the second rotating assembly (3-2).
Further, the first side wall, the second side wall, the first rack and the second rack of the box body move together with the lower beam body;
the first rotating assembly (3-1) and the second rotating assembly (3-2) move together with the upper beam body, namely the first rotating assembly (3-1) and the second rotating assembly (3-2) are pushed by the rotating bearing (4-1) to move together with the upper beam body along the length direction of the beam;
the first rotating component (3-1) and the second rotating component (3-2) rotate through the following steps: the lower gear of the first rack-first rotating assembly (3-1) and the lower gear of the second rack-second rotating assembly (3-2).
Further, the height of the bottom surface of the rotating plate body (3-1-3) is higher than that of the upper surface of the first base block (7-1).
Further, the rotor plate body of first runner assembly (3-1), second runner assembly (3-2) is the broken line board, and it includes: the first folding plate body and the second folding plate body of the first rotating assembly face the first side wall; the first folding plate body and the second folding plate body of the second rotating assembly face the second side wall;
the upper connecting rod is fixedly connected with the upper connecting plate, the lower connecting rod is fixedly connected with the lower connecting plate, the top end of the rotating plate body is fixedly connected with the upper connecting plate, and the bottom end of the rotating plate body is connected with the lower connecting plate; a vertical rod is connected between the upper connecting plate and the lower connecting plate;
the middle plate bodies of the first rotating assembly and the second rotating assembly are arranged on the inner side of the upper connecting rod; namely, the middle plate of the first rotating assembly is arranged at the right side of the upper connecting rod of the first rotating assembly, and the middle plate of the second rotating assembly is arranged at the left side of the upper connecting rod of the second rotating assembly.
Further, in an initial state, the structures of the first rotating assembly and the second rotating assembly are symmetrical about a connecting line of a lower connecting rod of the first rotating assembly and a lower connecting rod of the second rotating assembly.
Setting the radius of the lower gear as r, and setting the distance L between the turning line of the inner surface of the first wire folding plate and the inner surface of the middle plate body and the central line axis of the lower gear;
and the connecting line between the turning line of the inner surface of the first turning plate and the inner surface of the middle plate body (namely the surface facing to the turning plate body of the other turning assembly) and the central line axis of the lower gear is at an included angle theta with the length direction of the box beam.
Let Smax be the maximum relative displacement between the upper box beam and the lower box beam.
Setting the distance between the central axis of the lower gear of the first rotating assembly and the central axis of the lower gear of the second rotating assembly as H;
l needs to satisfy the following condition:
if theta + betamaxIf < pi/2, then:
if theta + betamaxAnd pi/2 or more, the following are:
L<H/2；
wherein, betamaxIndicating the maximum angle of rotation of the body of the rotating plate, i.e. SmaxCorresponding to the rotation angle of the lower rotating plate body.
The application has the advantages that:
first, one of the concepts underlying the present application: the upper part adopts a box-shaped beam (which is a necessary technical characteristic, and other forms cannot meet the requirement);
the first side wall, the second side wall, the first rack and the second rack of the box body move together with the lower beam body; the first rotating assembly 3-1 and the second rotating assembly 3-2 move along with the upper beam body, namely the first rotating assembly 3-1 and the second rotating assembly 3-2 are pushed by the rotating bearing 4-1 to move along the length direction of the beam together with the upper beam body; the first rotating component 3-1 and the second rotating component 3-2 rotate by: the lower gear of the first rack-first rotating assembly 3-1 and the lower gear of the second rack-second rotating assembly 3-2;
when the viscous damping fluid passes between the rotating plate body of the first rotating assembly 3-1 and the rotating plate body of the second rotating assembly 3-2 during movement, the speed is continuously increased all the time;
the above contents all belong to the necessary technical features of the present application.
Second, another basic concept of the present application (which has been filed for another application due to lack of unity):
a fabricated building comprising: the assembled wall body is arranged between the upper box-shaped beam (1) and the lower beam (2);
it includes: the device comprises a first rotating assembly (3-1), a second rotating assembly (3-2), a first base block (7-1), a second base block (7-2) and a box body;
wherein, the box includes: a first side wall (5-1), a second side wall (5-2), and a viscous damping fluid inside the box body; the first side wall (5-1) and the second side wall (5-2) of the wall body are parallel to each other and extend along the length direction of the beam;
wherein the first rotating assembly (3-1) comprises: the upper limiting plate (3-1-1), the upper connecting rod (3-1-2), the rotating plate body (3-1-3), the end lower connecting rod (3-1-7) arranged at the front end and the rear end of the bottom of the rotating plate body, and the rotating limiting bearing (13);
the upper connecting rod is a cylindrical rod and is vertically arranged;
the distances from the end lower connecting rod (3-1-7) to the upper connecting rod (3-1-2) are the same, and the end lower connecting rod are distributed on two sides of the upper connecting rod (3-1-2); and the connecting line of the 2 end lower connecting rods (3-1-7) is parallel to the length direction of the upper box girder;
the connecting rod (3-1-7) at the lower part of the end part is rotationally connected with a rotation limit bearing (13);
further comprising: 2 angle transfer devices which are respectively used for adjusting the steering of the first rotating assembly (3-1) and the second rotating assembly (3-2);
each of the angle transfer devices comprises: the device comprises L-shaped positioning connecting rods (12), at least 2 guide rails (14), connecting pieces (15) and positioning adjusting devices (16), wherein the number of the connecting pieces (15) is the same as that of the guide rails (14);
the L-shaped positioning connecting rod (12) comprises: the top end of the T-shaped vertical part, namely the vertical part, is provided with a disc which is inserted into a rotation limiting bearing (13), so that the vertical displacement of the L-shaped positioning connecting rod and the lower connecting rod (3-1-4) is limited; meanwhile, the lower connecting rod (3-1-4) and the vertical part of the L-shaped positioning connecting rod can rotate mutually by rotating the limiting bearing (13); the L-shaped positioning connecting rod (12) further comprises: a horizontal portion provided with a slide groove along an axial direction of the horizontal portion, an opening along the axial direction of the horizontal portion being provided at a lower surface of the slide groove;
the guide rail (14) extends along the length of the upper box beam; a sliding groove is arranged in the guide rail (14), and an opening along the extension direction of the guide rail is arranged on the upper surface of the sliding groove;
the extension direction of an opening arranged on the lower surface of the sliding groove of the horizontal part of the L-shaped positioning connecting rod (12) is vertical to the extension direction of an opening arranged on the upper surface of the sliding groove of the guide rail (14);
the axial direction of the horizontal part is vertical to the length direction of the upper box-shaped beam;
the upper end of the connecting piece (15) is a T-shaped inserting block which is arranged in a sliding groove of the horizontal part of the L-shaped positioning connecting rod; the lower end of the connecting piece (15) is also provided with a T-shaped insert block which is arranged in the sliding groove of the guide rail (14);
balls are arranged on the outer surfaces of the T-shaped inserting block at the upper end and the T-shaped inserting block at the lower end of the connecting piece, or balls are arranged on the inner surfaces of a sliding groove of the horizontal part of the L-shaped positioning connecting rod and a sliding groove of the guide rail;
a positioning adjusting device (16) is arranged at the end part of the horizontal part of the L-shaped positioning connecting rod (12), and the positioning adjusting device (16) comprises: the device comprises an upper horizontal plate, a lower horizontal plate, a vertical shaft fixedly arranged on the upper horizontal plate and the lower horizontal plate, and a rotating ball or a rotating cylinder rotatably connected on the vertical shaft;
the rotating ball or the rotating cylinder is in contact with the first base block or the second base block (the rotating ball or the rotating cylinder is not in contact with the box-shaped beam at the lower part);
wherein the upper box beam (1) comprises: the lower flange plate (1-1) is provided with a first hole, the upper connecting rod (3-1-2) is arranged in the first hole, and a rotating bearing (4-1) is arranged in the first hole so as to facilitate the rotation of the first rotating assembly (3-1); the upper limiting plate (3-1-1) is arranged at the upper part of the lower flange plate (1-1) and is arranged in the box-shaped space (1-2); a vertical limiting bearing (4-2) is arranged between the upper limiting plate (3-1-1) and the upper surface of the lower flange plate (1-1); namely, the first rotating assembly (3-1) is rotatably arranged on the box beam at the upper part;
wherein, a first base block (7-1) and a second base block (7-2) are arranged on the lower beam (2);
wherein the structure formed by the first base block (7-1), the first rotating assembly (3-1) and the angle transfer device for adjusting the first rotating assembly (3-1) and the structure formed by the second base block (7-2), the second rotating assembly (3-2) and the angle transfer device for adjusting the second rotating assembly (3-2) are the same in structure and arranged in mirror symmetry, namely symmetrical about a plane, and the plane is formed as follows:
the plane is a vertical plane and passes through the middle point, and the plane is parallel to the length direction of the upper box girder.
Furthermore, connecting rods are connected among the connecting pieces (15).
Further, let Smax be the maximum relative displacement of the upper box beam (1) and the lower box beam (2), and the distance between the front positioning and adjusting device and the rear positioning and adjusting device is greater than 2Smax。
Further, the rotating plate bodies of the first rotating assembly (3-1) and the second rotating assembly (3-2) are all wire folding plates, and the wire folding plates comprise: the first folding plate body and the second folding plate body of the first rotating assembly face the first side wall; the first folding plate body and the second folding plate body of the second rotating assembly face the second side wall;
the top end of the rotating plate body is fixedly connected with an upper connecting plate, and the bottom end of the rotating plate body is connected with a lower connecting plate; the upper connecting rod is fixedly connected with an upper connecting plate, and a vertical rod is connected between the upper connecting plate and the lower connecting plate;
the middle plate bodies of the first rotating assembly and the second rotating assembly are arranged on the inner side of the upper connecting rod; namely, the middle plate of the first rotating assembly is arranged at the right side of the upper connecting rod of the first rotating assembly, and the middle plate of the second rotating assembly is arranged at the left side of the upper connecting rod of the second rotating assembly.
Further, the height of the bottom surface of the rotating plate body (3-1-3) is higher than that of the upper surface of the first base block (7-1).
A method of designing a fabricated building, knowing the s- β curve, wherein: s represents a relative displacement between the upper box beam and the lower box beam, and β represents a rotation angle of the rotating plate body at the relative displacement s;
the inner surfaces of the first and second base blocks, i.e., the surfaces facing the viscous damping fluid, are designed as follows:
in an initial state, the included angles between the projection lines of the axis of the lower connecting rod at the end part and the vertical plane of the axis of the upper connecting rod and the length direction of the upper box-shaped beam are delta; the distance of a projection line of a vertical plane passing through the axis of the lower connecting rod and the axis of the upper connecting rod at the end part on the horizontal plane is L;
the track of the first base block corresponding to the positioning and adjusting device at the rear end is as follows:
in an initial state, the direction from the positioning adjusting device at the rear end to the positioning adjusting device at the front end is an X direction, the extending direction of the horizontal part of the L-shaped positioning connecting rod and the direction facing the internal damping liquid is a Y direction, and the X direction and the Y direction are vertical; the contact point of the positioning adjusting device at the rear end and the first base block is a zero point;
0≤x≤smax-Lcos(δ+βmax)+Lcosδ:
-[smax+Lcos(δ+βmax)-Lcosδ]≤x≤0:
the track of the first base block corresponding to the positioning adjusting device at the front end:
in an initial state, the direction from the positioning adjusting device at the rear end to the positioning adjusting device at the front end is an X direction, the extending direction of the horizontal part of the L-shaped positioning connecting rod and the direction towards the first base block is a Y direction, and the X direction and the Y direction are vertical; the contact point of the positioning adjusting device at the front end and the first base block is a zero point;
0≤x≤smax+Lcos(δ+βmax)-Lcosδ:
-[smax-Lcos(δ+βmax)+Lcosδ]≤x≤0:
for the inner surface of the second base block, it is symmetrical to the first base block in shape; i.e. symmetrical about a plane, the formation of said plane is as follows: the plane is a vertical plane and passes through the middle point, and the plane is parallel to the length direction of the upper box girder.
Drawings
The present application will be described in further detail with reference to the following examples, which are not intended to limit the scope of the present application.
Fig. 1 is a cross-sectional view of a quick-assembly wall structure according to a first embodiment.
Fig. 2 is a design view of a first rotating assembly (second rotating assembly) of the first embodiment.
Fig. 3 is a schematic view of a state design of a rapid-assembly wall structure according to the first embodiment.
Fig. 4 is a schematic view of the design of the rapid-assembly wall structure according to the second embodiment.
Fig. 5 is a cross-sectional view of a quick-assembly wall structure according to the second embodiment.
Fig. 6 is a schematic view of H and θ.
Fig. 7 is a schematic cross-sectional design diagram of the L-shaped positioning connecting rod, the guide rail and the connecting piece in the third embodiment.
Fig. 8 is a design diagram of a connector in the third embodiment.
Fig. 9 is a cross-sectional view of the horizontal portion and the connecting member of the L-shaped positioning connecting rod.
Fig. 10 is a schematic diagram of a coordinate system of the track A, B according to the third embodiment.
Fig. 11 is a schematic diagram of a coordinate system of the track C, D according to the third embodiment.
Fig. 12 is a cross-sectional view of an assembled wall structure according to a third embodiment.
The reference numerals are explained below:
the device comprises a box beam 1 at the upper part, a lower beam 2, a first rotating assembly 3-1 and a second rotating assembly 3-2;
the device comprises an upper limiting plate 3-1-1, an upper connecting rod 3-1-2, a rotating plate body 3-1-3, a lower connecting rod 3-1-4, a lower gear 3-1-5 and an end lower connecting rod 3-1-7;
a rotating bearing 4-1 and a vertical limiting bearing 4-2;
a first side wall 5-1, a second side wall 5-2;
a first rack 6-1 and a second rack 6-2;
a first base block 7-1, a second base block 7-2;
the device comprises an L-shaped positioning connecting rod 12, a rotation limiting bearing 13, a guide rail 14, a connecting piece 15 and a positioning adjusting device 16.
Detailed Description
In the first embodiment, the first step is,
a rapid assembly type wall structure is arranged between an upper box beam 1 (belonging to necessary technical characteristics) and a lower box beam 2 (the lower box beam 2 can adopt other structural forms);
it includes: a first rotating assembly 3-1, a second rotating assembly 3-2 (which is an essential technical feature), a first base block 7-1, a second base block 7-2 and a box body;
sequentially setting from left to right: a first base block 7-1, a first rotating assembly 3-1, a second rotating assembly 3-2 and a second base block 7-2;
wherein, the box includes: a viscous damping fluid inside the first sidewall 5-1, the second sidewall 5-2, and the tank body; the first side wall 5-1 and the second side wall 5-2 of the wall body are parallel to each other and extend along the length direction of the beam;
wherein the first rotating assembly 3-1 comprises: the upper limiting plate 3-1-1, the upper connecting rod 3-1-2, the rotating plate body 3-1-3, the lower connecting rod 3-1-4 and the lower gear 3-1-5; the central axis of the lower connecting rod 3-1-4 is superposed with the central axis of the lower gear 3-1-5;
an upper limiting plate 3-1-1, an upper connecting rod 3-1-2, a rotating plate body 3-1-3, a lower connecting rod 3-1-4 and a lower gear 3-1-5 are fixedly connected from top to bottom in sequence,
the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are superposed, and the upper connecting rod and the lower connecting rod are vertically arranged;
the lower gear 3-1-5 horizontally rotates and rotates around the central axis of the lower connecting rod 3-1-4 (the lower gear 3-1-5 is fixedly connected with the lower connecting rod 3-1-4);
wherein the box girder 1 includes: the lower flange plate 1-1 and the box-shaped space 1-2 are arranged, the lower flange plate 1-1 is provided with a first hole, the upper connecting rod 3-1-2 is arranged in the first hole, and a rotating bearing 4-1 is arranged in the first hole so as to facilitate the rotation of the first rotating assembly 3-1;
the upper limiting plate 3-1-1 is arranged at the upper part of the lower flange plate 1-1 and is arranged in the box-shaped space 1-2;
a vertical limiting bearing 4-2 is arranged between the upper limiting plate 3-1-1 and the upper surface of the lower flange plate 1-1;
wherein, the lower beam 2 is provided with a first base block 7-1, a first rack 6-1 is arranged on the side surface of the first base block 7-1 (the first rack 6-1 is arranged on the surface of the first base block 7-1 opposite to the second side wall 5-2), and the first rack 6-1 extends along the length direction of the beam; the first rack 6-1 is meshed with a lower gear 3-1-5 of the first rotating assembly 3-1;
specifically, the height of the bottom surface of the rotating plate body 3-1-3 is higher than the height of the upper surface of the first base block 7-1.
Wherein the second rotating assembly 3-2 comprises: the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear (the central axis of the lower connecting rod is superposed with the central axis of the lower gear); the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear are fixedly connected in sequence from top to bottom, the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are overlapped, and the upper connecting rod and the lower connecting rod are vertically arranged; the lower gear rotates horizontally and rotates around the lower connecting rod; the lower flange plate is provided with a second hole, the upper connecting rod 3-1-2 is arranged in the second hole, and a rotating bearing is arranged in the second hole so as to facilitate the rotation of the first rotating assembly; the upper limiting plate is arranged at the upper part of the lower flange plate and is arranged in the box-shaped space; a vertical limiting bearing is arranged between the upper limiting plate and the upper surface of the lower flange plate 1;
wherein, the lower beam 2 is provided with a second base block 7-2, a second rack 6-2 is arranged on the side surface of the second base block 7-2 (the second rack 6-2 is arranged on the surface of the second base block 7-2 opposite to the first side wall 5-1), and the second rack 6-2 extends along the length direction of the beam; the second rack 6-2 is engaged with a lower gear of the second rotating assembly 3-2.
The first side wall 5-1 is fixedly arranged on a first base block 7-1 (which can also be arranged directly on the lower box beam 2); the second side wall 5-2 is fixedly arranged on a second base block 7-2 (which may also be arranged directly on the lower box beam 2).
The first rotating assembly 3-1 and the second rotating assembly 3-2 are identical in structure, and the rotating plate body of the first rotating assembly 3-1 and the rotating plate body of the second rotating assembly 3-2 are arranged between the first side wall 5-1 and the second side wall 5-2 of the wall body respectively.
As can be seen from FIG. 1, the first rack gear is disposed at the left side of the lower gear 3-1-5 of the first rotating assembly 3-1, and the second rack gear is disposed at the right side of the lower gear 3-1-5 of the second rotating assembly 3-2
Sequentially setting from left to right: the first side wall 5-1, the first rack 6-1, the first rotating assembly 3-1, the second rotating assembly 3-2, the second rack 6-2, the second side wall 5-2 (the above mentioned features are essential technical features), and the effect is: when the viscous damping fluid moves between the rotating plate body of the first rotating assembly 3-1 and the rotating plate body of the second rotating assembly 3-2, the speed of the viscous damping fluid is continuously increased all the time.
As shown in fig. 3, the principle of the present application is that the first side wall, the second side wall, the first rack, the second rack of the box body move together with the lower beam body;
the first rotating assembly 3-1 and the second rotating assembly 3-2 move along with the upper beam body, namely the first rotating assembly 3-1 and the second rotating assembly 3-2 are pushed by the rotating bearing 4-1 to move along the length direction of the beam together with the upper beam body;
the first rotating component 3-1 and the second rotating component 3-2 rotate by: the lower gear of the first rack-first rotating assembly 3-1 and the lower gear of the second rack-second rotating assembly 3-2.
Example two, as shown in fig. 4-5, the advantage of example two breaks this technical prejudice: the central shaft of the lower gear 3-1-5 and the central shaft of the rotating plate body 3-1-3 are positioned on the same axis;
the method of the second embodiment comprises the following steps:
the rotor plate body of first runner assembly 3-1, second runner assembly 3-2 is the broken line board, and it includes: the first folding plate body, the middle plate body and the second folding plate body of the first rotating assembly 3-1 face the first side wall; the first folding plate body and the second folding plate body of the second rotating assembly 3-1 face the second side wall;
the upper connecting rod 3-1-2 is fixedly connected with an upper connecting plate, the lower connecting rod 3-1-4 is fixedly connected with a lower connecting plate, the top end of the rotating plate body is fixedly connected with the upper connecting plate, and the bottom end of the rotating plate body is connected with the lower connecting plate; a vertical rod is connected between the upper connecting plate and the lower connecting plate;
the middle plate bodies of the first rotating assembly 3-1 and the second rotating assembly 3-2 are arranged on the inner side of the upper connecting rod; that is, the middle plate of the first rotating unit 3-1 is disposed at the right side of the upper connecting rod of the first rotating unit 3-1, and the middle plate of the second rotating unit 3-2 is disposed at the left side of the upper connecting rod of the second rotating unit 3-2.
The above design of the second embodiment can improve the flow rate of the viscous damping fluid (i.e., one end is open and the other end is open) better than the first embodiment.
The first rotating assembly 3-1 and the second rotating assembly 3-2 have the same structure.
In the initial state, the structures of the first rotating assembly 3-1 and the second rotating assembly 3-2 are symmetrical about the connecting line of the lower connecting rod of the first rotating assembly 3-1 and the lower connecting rod of the second rotating assembly 3-2.
The radius of the lower gear is set as r, the length L between the turning line of the inner surface of the first line folding plate and the inner surface of the middle plate body (namely the surface facing to the rotating plate body of the other rotating assembly) and the central line axis of the lower gear is set as r,
the connecting line between the turning line of the inner surface of the first turning plate and the inner surface of the middle plate body (i.e. the surface facing to the turning plate body of the other turning assembly) and the central line axis of the lower gear is at an included angle theta with the length direction of the box beam 1.
Let Smax be the maximum relative displacement between the upper box beam 1 and the lower box beam 2.
Let the distance between the central axis of the lower gear of the first rotating assembly 3-1 and the central axis of the lower gear of the second rotating assembly 3-2 be H.
If theta + betamaxIf < pi/2, then:
if theta + betamaxAnd pi/2 or more, the following are:
H>2L；
βmaxindicating the maximum rotation angle of the rotating plate body.
In a third embodiment, the solution of embodiment 1 is to adjust the turning angle of the rotating plate body by a gear. I.e. its steering angle-displacement is in direct proportion.
The third embodiment further satisfies the design requirements, that is, satisfies: any S-beta curve; s represents: the relative displacement of the upper box beam and the lower box beam, and β represents the rotation angle of the rotating plate body under the displacement S.
To this need, the following improvements are made:
the lower connecting rods 3-1-4, the gears 3-1-5 are no longer necessary.
The front end and the rear end of the bottom of the rotating body are both provided with end part lower connecting rods 3-1-7; the distances from the end lower connecting rod 3-1-7 to the upper connecting rod 3-1-2 are the same, and the end lower connecting rod 3-1-7 is distributed on two sides of the upper connecting rod 3-1-2; in addition, the connecting line of the 2 end lower connecting rods 3-1-7 is parallel to the length direction of the upper box girder;
the connecting rod 3-1-7 at the lower part of the end part is rotationally connected with a rotation limiting bearing 13;
the L-shaped positioning link 12 comprises: the top end of the T-shaped vertical part, namely the vertical part, is provided with a disc which is inserted into the rotation limiting bearing 13, so that the vertical displacement of the L-shaped positioning connecting rod and the lower connecting rod 3-1-4 is limited; meanwhile, the lower connecting rod 3-1-4 and the vertical part of the L-shaped positioning connecting rod can rotate mutually by rotating the limiting bearing 13;
the L-shaped positioning connecting rod 12 further comprises: a horizontal portion provided with a slide groove along an axial direction of the horizontal portion, an opening along the axial direction of the horizontal portion being provided at a lower surface of the slide groove;
further, at least 2 guide rails 14 are included, said guide rails 14 extending along the length of the upper box beam; a slide groove is provided inside the guide rail 14, and an opening along the extending direction of the guide rail is provided on the upper surface of the slide groove;
the extension direction of the opening formed in the lower surface of the slide groove of the horizontal portion of the L-shaped positioning link 12 is perpendicular to the extension direction of the opening formed in the upper surface of the slide groove of the guide rail 14.
The horizontal portion has an axial direction perpendicular to a longitudinal direction of the upper box beam.
Further comprising: a connecting member 15, the upper end of the connecting member 15 is a T-shaped insert block (seen along the extending direction of the horizontal part of the L-shaped positioning connecting rod 12), which is arranged in the sliding groove of the horizontal part of the L-shaped positioning connecting rod 12; the lower end of the connecting piece 15 is also a T-shaped insert (seen in the direction of extension of the guide rail) which is arranged in the sliding groove of the guide rail 14;
balls are provided on the outer surfaces of the T-shaped insert block at the upper end and the T-shaped insert block at the lower end of the link 15, or balls are provided on the inner surfaces of the slide groove of the horizontal portion of the L-shaped positioning link 12 and the slide groove of the guide rail 14.
Through the design of the connecting piece 15, the guide rail 14 and the L-shaped positioning connecting rod 12, the extending direction of the horizontal part of the L-shaped positioning connecting rod 12 is consistent, namely, the horizontal part is always vertical to the extending direction of the upper box-shaped beam (2 points determine a straight line).
More particularly, a connecting rod is also connected between 2 connecting pieces 15.
A positioning adjustment device 16 is provided at an end of the horizontal portion of the L-shaped positioning connection rod 12, the positioning adjustment device 16 including: the device comprises an upper horizontal plate, a lower horizontal plate, a vertical shaft fixedly arranged on the upper horizontal plate and the lower horizontal plate, and a rotating ball or a rotating cylinder rotatably connected on the vertical shaft;
the first base block 7-1 does not adopt the straight line design in the first embodiment (in the scheme of the first embodiment, the first base block 7-1 and the second base block 7-2 are necessarily straight lines);
the inner surface (i.e., the surface facing the viscous damping fluid) of the first base block 7-1 is designed as follows:
setting the maximum relative displacement of the upper box beam 1 and the lower box beam 2 as Smax, and the front end positioning and adjusting device and the rear end positioning and adjusting deviceThe distance between the node devices is more than 2Smax；
In the initial state, the direction from the positioning and adjusting device at the rear end to the positioning and adjusting device at the front end is the X direction (namely the length extension direction of the upper box girder), the extension direction of the horizontal part of the L-shaped positioning connecting rod 12 and the direction facing the internal damping fluid are the Y direction, and the X direction and the Y direction are vertical; the contact point of the positioning adjusting device at the rear end and the first base block is a zero point;
firstly, researching the track of the first base block corresponding to the positioning and adjusting device at the rear end:
in an initial state, an included angle delta is formed between a projection line of the axis of the lower connecting rod at the end part and the vertical plane of the axis of the upper connecting rod on the horizontal plane and the length direction of the box beam 1; the distance of a projection line of a vertical plane passing through the axis of the lower connecting rod and the axis of the upper connecting rod at the end part on the horizontal plane is L; the distance from the projection of the end lower connecting rod on the horizontal plane to the projection of the positioning adjusting device on the horizontal plane is M.
The track of the first base block from the zero point onward is called track a, and the track of the first base block from the zero point backwards is called track B:
then track a is:
track B is then:
the track of the first base block corresponding to the positioning adjusting device at the front end of the post-research:
in the initial state, the direction from the positioning and adjusting device at the rear end to the positioning and adjusting device at the front end is the X direction (namely the length extension direction of the upper box girder), the extension direction of the horizontal part of the L-shaped positioning connecting rod 12 and the direction towards the first base block is the Y direction, and the X direction and the Y direction are vertical; the contact point of the positioning adjusting device at the front end and the first base block is a zero point;
then track C is:
then track D is:
the second base block is symmetrical to the first base block in shape.
From the above analysis, the design of the third embodiment is also applicable to the second embodiment, that is, the rotating plate bodies of the first rotating assembly 3-1 and the second rotating assembly 3-2 are all the folding plates, which include: the first folding plate body, the middle plate body and the second folding plate body of the first rotating assembly 3-1 face the first side wall; the first folding plate body and the second folding plate body of the second rotating assembly 3-1 face the second side wall;
the top end of the rotating plate body is fixedly connected with an upper connecting plate, and the bottom end of the rotating plate body is connected with a lower connecting plate; the upper connecting rod 3-1-2 is fixedly connected with an upper connecting plate, and a vertical rod is connected between the upper connecting plate and the lower connecting plate;
the middle plate bodies of the first rotating assembly 3-1 and the second rotating assembly 3-2 are arranged on the inner side of the upper connecting rod; that is, the middle plate of the first rotating unit 3-1 is disposed at the right side of the upper connecting rod of the first rotating unit 3-1, and the middle plate of the second rotating unit 3-2 is disposed at the left side of the upper connecting rod of the second rotating unit 3-2.
The above-mentioned embodiments are merely preferred embodiments of the present application, which are not intended to limit the present application in any way, and it will be understood by those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the present application.
Claims (8)
1. An assembled wall structure, characterized in that it is arranged between an upper box beam (1) and a lower beam (2);
it includes: the device comprises a first rotating assembly (3-1), a second rotating assembly (3-2), a first base block (7-1), a second base block (7-2) and a box body; the second rotating assembly (3-2) has the same structure as the first rotating assembly (3-1), and the first base block (7-1) has the same structure as the second base block (7-2);
wherein, the box includes: a first side wall (5-1), a second side wall (5-2), and a viscous damping fluid inside the box body; the first side wall (5-1) and the second side wall (5-2) of the wall body are parallel to each other and extend along the length direction of the beam;
wherein the first rotating assembly (3-1) comprises: an upper limiting plate (3-1-1), an upper connecting rod (3-1-2) and a rotating plate body (3-1-3);
wherein the box beam (1) comprises: the lower flange plate (1-1) is provided with a first hole, the upper connecting rod (3-1-2) is arranged in the first hole, and a rotating bearing (4-1) is arranged in the first hole so as to facilitate the rotation of the first rotating assembly (3-1); the upper limiting plate (3-1-1) is arranged at the upper part of the lower flange plate (1-1) and is arranged in the box-shaped space (1-2); a vertical limiting bearing (4-2) is arranged between the upper limiting plate (3-1-1) and the upper surface of the lower flange plate (1-1);
when the box-shaped beam (1) at the upper part and the lower beam (2) are relatively displaced, the rotating plate bodies (3-1-3) of the first rotating assembly (3-1) and the second rotating assembly (3-2) can rotate;
the first rotating assembly (3-1) further comprises: a lower connecting rod (3-1-4) and a lower gear (3-1-5); the upper limiting plate (3-1-1), the upper connecting rod (3-1-2), the rotating plate body (3-1-3), the lower connecting rod (3-1-4) and the lower gear (3-1-5) are fixedly connected in sequence from top to bottom, the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are overlapped, and the upper connecting rod and the lower connecting rod are vertically arranged; the lower gear (3-1-5) horizontally rotates and rotates around the central axis of the lower connecting rod (3-1-4);
wherein, a first base block (7-1) is arranged on the lower beam (2), a first rack (6-1) is arranged on the side surface of the first base block (7-1), a first rack (6-1) is arranged on the surface of the first base block (7-1) opposite to the surface of the second side wall (5-2), and the first rack (6-1) extends along the length direction of the beam; the first rack (6-1) is meshed with a lower gear (3-1-5) of the first rotating assembly (3-1).
2. An assembled wall structure according to claim 1, characterized in that said second rotating assembly (3-2) comprises: the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear are arranged on the rotating plate body; the upper limiting plate, the upper connecting rod, the rotating plate body, the lower connecting rod and the lower gear are fixedly connected in sequence from top to bottom, the upper connecting rod and the lower connecting rod are cylindrical rods, the central axes of the upper connecting rod and the lower connecting rod are overlapped, and the upper connecting rod and the lower connecting rod are vertically arranged; the lower gear rotates horizontally and rotates around the lower connecting rod; the lower flange plate is provided with a second hole, the upper connecting rod is arranged in the second hole, and a rotating bearing is arranged in the second hole so as to facilitate the rotation of the first rotating assembly; the upper limiting plate is arranged at the upper part of the lower flange plate and is arranged in the box-shaped space; a vertical limiting bearing is arranged between the upper limiting plate and the upper surface of the lower flange plate; a second base block (7-2) is arranged on the lower beam (2), a second rack (6-2) is arranged on the side face of the second base block (7-2), a second rack (6-2) is arranged on the face, opposite to the first side wall (5-1), of the second base block (7-2), and the second rack (6-2) extends along the length direction of the beam; the second rack (6-2) is meshed with a lower gear of the second rotating assembly (3-2).
3. An assembled wall structure according to claim 1, characterized in that said first side wall (5-1) is fixedly arranged on a first base block (7-1); the second side wall (5-2) is fixedly arranged on the second base block (7-2).
4. An assembled wall structure according to claim 3, characterized in that said first side wall (5-1) is fixedly arranged on the lower beam; the second side wall (5-2) is fixedly arranged on the lower beam.
5. An assembled wall structure according to claim 4, wherein the first rotating assembly (3-1) and the second rotating assembly (3-2) are identical in structure, and the rotating plate body of the first rotating assembly (3-1) and the rotating plate body of the second rotating assembly (3-2) are respectively arranged between the first side wall (5-1) and the second side wall (5-2) of the wall body.
6. An assembled wall structure according to claim 5, characterized in that the first rack is arranged on the left side of the lower gear (3-1-5) of the first rotating group (3-1) and the second rack is arranged on the right side of the lower gear (3-1-5) of the second rotating group (3-2)
Sequentially setting from left to right: the viscous damping fluid device comprises a first side wall (5-1), a first rack (6-1), a first rotating assembly (3-1), a second rotating assembly (3-2), a second rack (6-2) and a second side wall (5-2), wherein when the viscous damping fluid moves, the speed is constantly increased when the viscous damping fluid passes between the rotating plate body of the first rotating assembly (3-1) and the rotating plate body of the second rotating assembly (3-2).
7. An assembled wall structure according to claim 6, wherein the first side wall, the second side wall, the first rack, the second rack of the box body move together with the lower beam body;
the first rotating assembly (3-1) and the second rotating assembly (3-2) move together with the upper beam body, namely the first rotating assembly (3-1) and the second rotating assembly (3-2) are pushed by the rotating bearing (4-1) to move together with the upper beam body along the length direction of the beam;
the first rotating component (3-1) and the second rotating component (3-2) rotate through the following steps: the lower gear of the first rack-first rotating assembly (3-1) and the lower gear of the second rack-second rotating assembly (3-2);
the bottom surface of the rotating plate body (3-1-3) is higher than the upper surface of the first base block (7-1);
the rotor plate body of first runner assembly (3-1), second runner assembly (3-2) is the broken line board, and it includes: the first folding plate body and the second folding plate body of the first rotating assembly face the first side wall; the first folding plate body and the second folding plate body of the second rotating assembly face the second side wall;
the upper connecting rod is fixedly connected with the upper connecting plate, the lower connecting rod is fixedly connected with the lower connecting plate, the top end of the rotating plate body is fixedly connected with the upper connecting plate, and the bottom end of the rotating plate body is connected with the lower connecting plate; a vertical rod is connected between the upper connecting plate and the lower connecting plate;
the middle plate bodies of the first rotating assembly and the second rotating assembly are arranged on the inner side of the upper connecting rod; namely, the middle plate of the first rotating assembly is arranged at the right side of the upper connecting rod of the first rotating assembly, and the middle plate of the second rotating assembly is arranged at the left side of the upper connecting rod of the second rotating assembly.
8. An assembled wall structure according to claim 7, wherein the first and second rotating assemblies are constructed to be symmetrical with respect to a line connecting the lower connecting rod of the first rotating assembly and the lower connecting rod of the second rotating assembly in the initial state;
setting the radius of the lower gear as r, and setting the distance L between the turning line of the inner surface of the first wire folding plate and the inner surface of the middle plate body and the central line axis of the lower gear;
the connecting line between the turning line of the inner surface of the first turning plate and the inner surface of the middle plate body and the central line axis of the lower gear is away from the turning line, and the included angle between the connecting line and the length direction of the box beam is theta;
setting the maximum relative displacement between the upper box-shaped beam and the lower box-shaped beam as Smax;
setting the distance between the central axis of the lower gear of the first rotating assembly and the central axis of the lower gear of the second rotating assembly as H;
l needs to satisfy the following condition:
if theta + betamaxIf < pi/2, then:
if theta + betamaxAnd pi/2 or more, the following are:
L<H/2；
wherein, betamaxIndicating the maximum angle of rotation of the body of the rotating plate, i.e. SmaxCorresponding to the rotation angle of the lower rotating plate body.
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| CN202011234969.7A CN112376727B (en) | 2020-11-08 | 2020-11-08 | Assembled wall structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05222863A (en) * | 1992-02-14 | 1993-08-31 | Kajima Corp | Vibration control device of structure |
| JP5275230B2 (en) * | 2007-06-25 | 2013-08-28 | オイレス工業株式会社 | Damper device |
| CN103335052B (en) * | 2013-07-02 | 2015-04-29 | 大连理工大学 | Driven viscous damper adjustable in damping force |
| CN107060127B (en) * | 2017-05-11 | 2019-07-16 | 昆明理工大学 | A kind of gear double-screw type fluid linking damper |
| CN107916814B (en) * | 2017-10-29 | 2020-02-18 | 郑益丽 | Installation method of energy dissipation damper for frame structure |
| CN210636620U (en) * | 2019-01-18 | 2020-05-29 | 南京林业大学 | High-pressure transmission type viscous damping wall |
| CN109779132B (en) * | 2019-02-17 | 2021-02-26 | 深圳市美路科技有限公司 | Viscous damping wall in limited space |
| CN109972757B (en) * | 2019-04-16 | 2020-07-28 | 西南林业大学 | Vertical rotary damper device |
| CN110777957B (en) * | 2019-11-04 | 2021-12-28 | 南京大德减震科技有限公司 | Speed amplification type viscous damping wall |
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Effective date of registration: 20211112 Address after: 266300 Jiaoxi office, Jiaozhou City, Qingdao City, Shandong Province Applicant after: Qingdao Jiaozhou Bay Construction Group Co., Ltd Address before: No. 106, Nandan East Road, Xuhui District, Shanghai 200030 Applicant before: Zheng Yong |
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