CN108360903A - A kind of architectural engineering damper support device and its method of construction - Google Patents

Abstract

The present invention provides a kind of architectural engineering damper support devices and its method of construction, it includes straight dowel, rectangle anchor slab, V-arrangement bearing steel plate, fixed pulley, fixed pulley axis, steel strand wires, steel wire rope, damper, bottom beam, left side column, right side column and roof beam；Together with rectangle anchor slab is anchored by straight dowel with bottom beam；Rectangle anchor slab is equipped with two blocks of forward and backward parallel V-arrangement bearing steel plates for being provided with round hole, fixed pulley axis is worn in round hole, fixed pulley axis peripheral surface is arranged fixed pulley, two tops of V-arrangement bearing steel plate are equipped with damper, the lower end piston rod of damper is linked together by the way that the steel wire rope in fixed pulley slot is arranged, the upper end piston rod of damper is connect with steel strand wires, and steel strand anchoring is on the node of beam and column.The device conduct oneself with dignity it is small, joint gap between damper and support system can be eliminated, it can be arranged in frame structure, can also be arranged inside reinforced concrete shear wall wall.

Description

A damper support device for construction engineering and its construction method

technical field

The invention relates to the technical field of energy dissipation and shock absorption of building structures, in particular to a damper support device for building engineering and a construction method thereof.

Background technique

In the field of energy dissipation and shock absorption in construction engineering, it is not a new technology to increase structural damping, absorb and consume the vibration energy introduced into the structure, and reduce the dynamic response of the structure by installing dampers in the engineering structure. Due to the characteristics of simple structure, economical material and good shock absorption effect, the damper has been widely used in actual structural control. Dampers for construction engineering can be generally classified into the following categories: metal yield dampers, lead dampers, friction dampers, viscoelastic dampers, viscous fluid dampers, inductive energy consumers, electromagnetic fluid dampers, Composite dampers, etc.

At present, the installation methods of dampers in building structures mainly include diagonal support, herringbone support, and scissor support. These installation methods have the following disadvantages: (1) In order to reduce the elastic deformation and increase the relative displacement at both ends of the damper, the damper support system needs a lot of rigidity, so the volume is large, the weight is heavy, and the waste is serious; (2) Various dampers The damper and the support system are usually connected by pins and bearings. This connection will inevitably have gaps, which will further reduce the relative displacement at both ends of the damper, thereby reducing the energy consumption and shock absorption effect of the damper; (3) the existing damping The support device can only be used in the frame structure and cannot be installed in the reinforced concrete shear wall.

Contents of the invention

In order to solve the deficiencies in the above-mentioned prior art, the object of the present invention is to provide a damper support device for construction engineering, which does not require a huge support system, saves materials, has a small dead weight, and can eliminate the gap between the damper and the support system. The connection gap, the device can not only be set in the frame structure, but also can be set in the reinforced concrete shear wall. At the same time, a simple and reliable construction method is provided for the realization of the damper support device for construction engineering.

To achieve the above object, the present invention adopts the following technical solutions:

The invention provides a damper supporting device for construction engineering, which comprises a straight anchor bar, a bottom beam, a left column, a right column, a top beam and a rectangular anchor plate, and the upper end of the left column is fixed to the left end of the top beam , the lower end of the left column is fixed to the left end of the bottom beam, the upper end of the right column is fixed to the right end of the top beam, and the lower end of the right column is fixed to the right end of the bottom beam; The bottom beams are anchored together; there are two V-shaped support steel plates arranged in parallel at the front and rear on the rectangular anchor plate, dampers are installed on both sides of the top of the V-shaped support steel plate, and the V-shaped support plate and the damper They are connected by connecting flanges. There are circular holes on the symmetry axes of the front and rear V-shaped support steel plates arranged in parallel. The circular hole of the steel plate of the V-shaped support is arranged correspondingly, and the circular hole of the V-shaped support steel plate on the front side and the circular hole of the V-shaped support steel plate on the rear side are pierced with a cylindrical fixed pulley shaft. A fixed pulley is sheathed on the wheel shaft, and the fixed pulley can rotate around the fixed pulley shaft. A high-strength steel wire rope is arranged in the chute of the fixed pulley. One end of the high-strength steel wire rope is connected with the piston rod at the lower end of the left damper. The piston rod at the lower end of the damper on the right is connected, the piston rod at the upper end of the damper on the left and the piston rod at the upper end of the right damper are equipped with steel strands, and the steel strands are anchored to the joints of beams and columns through anchor plates Above; between the piston rod at the upper end of the left damper and the piston rod at the lower end of the left damper, and between the piston rod at the upper end of the right damper and the piston rod at the lower end of the right damper A cylindrical piston is provided, and a cylindrical cylinder is provided outside the cylindrical piston. There is an annular gap between the cylindrical piston and the cylindrical cylinder. The lower end of the cylindrical cylinder is consolidated with the connecting flange, and the cylindrical cylinder A circular cover is provided at the upper end of the cylinder, and a sealed cavity is formed between the inner surface of the cylindrical cylinder, the outer surface of the piston rod and the cylindrical piston, the connecting flange and the circular cover, and the sealed cavity is filled with energy-dissipating materials.

According to the above-mentioned damper supporting device for construction engineering, the junction of the upper end of the left column and the left end of the top beam is node A, the junction of the right column and the left end of the top beam is node B, and the steel strand on the left side The upper end of the wire is anchored to node A through the anchor plate, and the upper end of the steel strand on the right is anchored to node B through the anchor plate.

According to the above-mentioned damper support device for construction engineering, two V-shaped support steel plates arranged in parallel at the front and rear are welded on the rectangular anchor plate.

According to the aforementioned damper supporting device for construction engineering, the energy-dissipating material may be viscoelastic material, magnetorheological fluid, electrorheological fluid, lead metal, or high-viscosity hydraulic oil.

According to the aforementioned damper support device for construction engineering, the steel strands need to be symmetrically applied with equal prestress.

According to the above damper support device for construction engineering, the bottom beam is a bottom concrete beam in the form of a shear wall, the top beam is a top concrete beam in the form of a shear wall, and the left column is a right concrete column in the form of a shear wall , the right side column is a right side concrete column in the form of a shear wall, and a metal bellows is arranged on the periphery of the steel strand and the piston rod at the upper end of the damper.

According to the above damper supporting device for construction engineering, the bottom beam is a bottom frame concrete beam, the top beam is a top frame concrete beam, the left column is a left frame concrete column, and the right column is a right frame concrete column.

According to the above damper supporting device for construction engineering, the bottom beam is a bottom steel frame beam, the top beam is a top steel frame beam, the left column is a left steel frame column, and the right column is a right steel frame column.

The steel strand needs to be prestressed symmetrically at points A and B, thereby eliminating most of the elastic deformation of the steel strand and the steel wire rope, and eliminating the connection gap between the fixed pulley and the fixed pulley shaft.

The damper can be a viscous damper, a viscoelastic damper, a magneto-rheological damper, a lead extrusion damper, etc., including a cylindrical piston rod, a cylindrical piston, a connecting flange, a cylindrical cylinder, a circular Cover plates and energy-dissipating materials.

If the damper support device is used in a frame structure, it is not necessary to use a metal bellows, and if the damper support device is used in a reinforced concrete shear wall, a metal bellows is required.

The present invention also provides a construction method of a damper support device for construction engineering, comprising the following steps:

Step 1: Weld the straight anchor bar (1) to the rectangular anchor plate (2), and pre-embed the straight anchor bar and the rectangular anchor plate in the bottom beam (21); then, place the V-shaped anchor bar with a circular hole The mounting position where the support steel plate (3) is welded to the rectangular anchor plate (2);

Step 2: Assemble the damper, first install the connecting flange (33) under the damper cylinder (34); then, connect the damper piston (32) and piston rod (31) together, and connect the damper from the cylinder (34) 34) Insert the cylinder at the top to ensure that the piston rod (31) passes through the middle hole of the connecting flange (33); finally, fill the cylinder with energy-dissipating material (36) and install the circular cover above the cylinder (35);

Step 3: Install the damper. First, cut the high-strength steel wire rope (6) according to the designed length, and use the high-strength steel wire rope (6) to connect the two piston rods (31) at the lower end of the damper; then, place the two dampers on the V-shaped support The top of both sides of the seat steel plate (3), and consolidate the connecting flange (33) of the damper with the top of the V-shaped support steel plate (3);

Step 4: Install the fixed pulley, first place the high-strength steel wire rope (6) in the groove below the fixed pulley (5); then, place the center hole of the fixed pulley (5) and the front and rear V-shaped support steel plates (3) Align the circular hole of the fixed pulley; finally, pass the fixed pulley shaft (4) through the circular hole of the front V-shaped support plate (3) and the center hole of the fixed pulley (5), and connect it from the rear V-shaped support plate ( 3) The circular hole pierces;

Step 5: Cut the steel strand (7) according to the designed length, connect the lower end of the steel strand (7) to the damper piston rod (31), and apply the same size pre-load to the upper ends of the left and right steel strands (7). Stress anchors at the joints of beams and columns.

Beneficial effects of the present invention: (1) The damper support device is mainly connected by high-strength steel wire rope and steel strand, and the support system is a flexible structure with light weight, saving steel and cost; (2) High-strength steel wire rope and steel strand can be symmetrical Apply prestress to eliminate the installation gap at the fixed pulley and ensure that the relative displacement at both ends of the damper does not decrease. In addition, applying prestress can also reduce the elastic deformation of the entire support device and increase the energy dissipation capacity of the damper; (3 ) The damper supporting device can also be installed inside the reinforced concrete shear wall to increase the energy dissipation and shock absorption capacity of the shear wall, and the application range is wider. (4) It provides a simple and reliable construction method for the realization of the damper support device for construction engineering.

Description of drawings

Fig. 1 is a structural representation of a damper support device for construction engineering of the present invention;

FIG. 2 is a schematic vertical cross-sectional view of FIG. 1 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in Fig. 1-2, the present invention provides a kind of damper supporting device for construction engineering, it comprises the reinforced concrete columns 22 and 23 arranged on the left and right sides, the reinforced concrete beam 21 and 23 arranged at the bottom and the top 24. The reinforced concrete column and the end of the reinforced concrete beam are consolidated together, the rectangular anchor plate 2 is anchored together through the straight anchor bar 1 and the reinforced concrete beam 21 at the bottom, and the bottom of the two V-shaped support steel plates 3 arranged in parallel at the front and rear It is consolidated with the anchor plate 2, and the top of the V-shaped support steel plate 3 is consolidated with the connecting flange 33 of the damper. There are circular holes dug on the symmetrical axes of the front and rear V-shaped support steel plates 3, and the cylindrical fixed pulley shaft 4 passes through Through the circular hole of the V-shaped support steel plate 3 and fixedly connected with the steel plate 3, the fixed pulley 5 is sandwiched between the front and rear V-shaped support steel plates 3 in parallel, and is sleeved on the outside of the fixed pulley shaft 4. The fixed pulley 5 can be Rotate around the fixed pulley shaft 4, the high-strength steel wire rope 6 is located in the chute of the fixed pulley 5, and its two ends are fixedly connected with the piston rods 31 at the lower ends of the dampers on the left and right sides respectively, and the piston rods 31 at the upper and lower ends of the damper are fixedly connected with the cylinder On the cylindrical piston 32, a cylindrical cylinder 34 is arranged outside the cylindrical piston 32, and an annular gap is left between the two. The lower end of the cylindrical cylinder 34 is fixed with the connecting flange 33, and the upper part is fixed with the circular cover plate 35. A sealed cavity is formed between the inner surface of the cylinder 34, the outer surface of the piston rod 31 and the piston 32, and the connecting flange 33 and the cover plate 35. The sealed cavity is filled with energy-dissipating materials 36, and the piston rod 31 at the upper end of the damper is connected to the The lower end of the steel strand 7 is connected, and the upper end of the steel strand 7 is anchored at the nodes A and B of the beam and the column through the anchor plate 8, and a metal bellows 9 is arranged on the periphery of the steel strand 7 and the upper piston rod 31 of the damper.

Working principle of the present invention:

Under the action of earthquake load, the building structure will produce relative displacement between floors. Points A and B at the two ends of the top reinforced concrete beam 24 change relative to point C in the middle of the bottom reinforced concrete beam 21, and the distance between the two points AC is elongated. (the distance between the two points BC is shortened at this time) or shortened (the distance between the two points BC is elongated at this time), because the steel strand 7, the damper piston rod 31, the damper piston 32, and the high-strength steel wire rope 6 are passed between AC and BC It is connected with the flexible system composed of the fixed pulley 5, therefore, the relative displacement between AC and BC is converted into the relative displacement between the damper piston 32 and point C, and the damper cylinder 34 passes through the V-shaped support plate 3 and the anchor plate 2 It is consolidated with point C in the middle of the bottom reinforced concrete beam 21 , and finally, the relative displacements between AC and BC are transformed into relative displacements between the left and right damper pistons 32 and damper cylinders 34 respectively. When there is a relative displacement between the piston and cylinder of the damper, it will produce energy dissipation and shock absorption, thereby effectively consuming the seismic energy introduced into the building structure, reducing the dynamic response of the structure under seismic loads, and improving the building structure. seismic performance.

What has been described above is only the preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, some changes and improvements can be made without departing from the overall concept of the present invention, and these should also be regarded as the present invention. scope of protection.

Claims (9)

1. A damper support device for construction engineering, characterized in that it includes a straight anchor bar (1), a bottom beam (21), a left column (22), a right column (23), a top beam (24) and Rectangular anchor plate (2), the upper end of the left column (22) is fixed to the left end of the top beam (24), the lower end of the left column (22) is fixed to the left end of the bottom beam (21), and the right column (23 ) is fixed to the right end of the top beam (24), and the lower end of the right column (23) is fixed to the right end of the bottom beam (21); the rectangular anchor plate (2) passes through the straight anchor bar (1) and the bottom The beams (21) are anchored together; the rectangular anchor plate (2) is provided with two V-shaped support plates (3) arranged in parallel at the front and rear, and the two tops of the V-shaped support plates (3) are provided with Damper, the V-shaped support steel plate (3) is connected with the damper through a connecting flange (33), and the front and rear V-shaped support steel plates (3) are arranged in parallel on the symmetrical axis. Shaped hole, the circular hole of the V-shaped support steel plate (3) on the front side is set corresponding to the circular hole of the V-shaped support steel plate (3) on the rear side, the V-shaped support steel plate (3) on the front side A cylindrical fixed pulley shaft (4) is perforated between the circular hole and the circular hole of the V-shaped support steel plate (3) on the rear side, and a fixed pulley (5) is sleeved on the fixed pulley shaft (4). The pulley (5) can rotate around the fixed pulley shaft (4). The chute of the fixed pulley (5) is provided with a high-strength steel wire rope (6). One end of the high-strength steel wire rope (6) is connected to the piston rod (31 ), the other end of the high-strength steel wire rope (6) is connected to the piston rod (31) at the lower end of the right damper, the upper end piston rod of the left damper and the upper end piston rod of the right damper are equipped with The steel strand (7), the steel strand (7) is anchored on the node of the beam and the column through the anchor plate (8); between the piston rod at the upper end of the damper on the left and the piston rod at the lower end of the damper on the left, A cylindrical piston (32) is provided between the piston rod at the upper end of the right damper and the piston rod at the lower end of the right damper, and a cylindrical cylinder (34) is provided outside the cylindrical piston (32) , there is an annular gap between the cylindrical piston (32) and the cylindrical cylinder (34), the lower end of the cylindrical cylinder (34) is consolidated with the connecting flange (33), and the upper end of the cylindrical cylinder (34) There is a circular cover plate (35), the inner surface of the cylindrical cylinder (34), the outer surface of the piston rod (31) and the cylindrical piston (32) and the connecting flange (33) and the circular cover plate (35). A sealed cavity is formed between them, and the sealed cavity is filled with energy-dissipating materials (36). 2. The damper support device for construction engineering according to claim 1, characterized in that: the junction of the upper end of the left column (22) and the left end of the top beam (24) is node A, and the right column ( 23) The junction with the left end of the top beam (24) is node B, the upper end of the steel strand on the left is anchored to node A through the anchor plate (8), and the upper end of the steel strand on the right is anchored to node A through the anchor plate on node B. 3. The damper support device for construction engineering according to claim 1, characterized in that two V-shaped support steel plates (3) arranged in parallel at the front and rear are welded on the rectangular anchor plate (2). 4. The damper support device for construction engineering according to claim 1, characterized in that: the energy-dissipating material (36) can be viscoelastic material, magnetorheological fluid, electrorheological fluid, lead metal, high-viscosity hydraulic fluid Oil. 5. The damper supporting device for construction engineering according to claim 1, characterized in that: said steel strands (7) need to be symmetrically applied with equal prestress. 6. The damper support device for construction engineering according to claim 1, characterized in that: the bottom beam (21) is a bottom concrete beam in the form of a shear wall, and the top beam (24) is a top in the form of a shear wall Concrete beam, the left column (22) is the right concrete column in the form of a shear wall, the right column (23) is the right concrete column in the form of a shear wall, the steel strand (7) and the piston at the upper end of the damper A metal bellows (9) is arranged on the periphery of the rod (31). 7. The damper support device for construction engineering according to claim 1, characterized in that: the bottom beam (21) is a bottom frame concrete beam, the top beam (24) is a top frame concrete beam, and the left column (22 ) is the left frame concrete column, and the right column (23) is the right frame concrete column. 8. The damper support device for construction engineering according to claim 1, characterized in that: the bottom beam (21) is a bottom steel frame beam, the top beam (24) is a top steel frame beam, and the left column (22 ) is the left steel frame column, and the right column (23) is the right steel frame column. 9. A construction method of a damper support device for construction engineering, characterized in that it comprises the following construction steps: Step 1: Weld the straight anchor bar (1) to the rectangular anchor plate (2), and pre-embed the straight anchor bar and the rectangular anchor plate in the bottom beam (21); then, place the V-shaped anchor bar with a circular hole The mounting position where the support steel plate (3) is welded to the rectangular anchor plate (2); Step 2: Assemble the damper, first install the connecting flange (33) under the damper cylinder (34); then, connect the damper piston (32) and piston rod (31) together, and connect the damper from the cylinder (34) 34) Insert the cylinder at the top to ensure that the piston rod (31) passes through the middle hole of the connecting flange (33); finally, fill the cylinder with energy-dissipating material (36) and install the circular cover above the cylinder (35); Step 3: Install the damper. First, cut the high-strength steel wire rope (6) according to the designed length, and use the high-strength steel wire rope (6) to connect the two piston rods (31) at the lower end of the damper; then, place the two dampers on the V-shaped support The top of both sides of the seat steel plate (3), and consolidate the connecting flange (33) of the damper with the top of the V-shaped support steel plate (3); Step 4: Install the fixed pulley, first place the high-strength steel wire rope (6) in the groove below the fixed pulley (5); then, place the center hole of the fixed pulley (5) and the front and rear V-shaped support steel plates (3) Align the circular hole of the fixed pulley; finally, pass the fixed pulley shaft (4) through the circular hole of the front V-shaped support plate (3) and the center hole of the fixed pulley (5), and connect it from the rear V-shaped support plate ( 3) The circular hole pierces; Step 5: Cut the steel strand (7) according to the designed length, connect the lower end of the steel strand (7) to the damper piston rod (31), and apply the same size pre-load to the upper ends of the left and right steel strands (7). Stress anchors at the joints of beams and columns.