CN111364527A - A movable anti-seismic device suitable for the bottom of a building foundation and its construction method - Google Patents

Abstract

The invention relates to the field of building earthquake resistance, in particular to a movable earthquake resistance device suitable for the bottom of a building foundation and a construction method thereof, comprising a top steel plate, a middle steel plate, a compression spring, a vertical steel plate, a bottom steel plate, a sliding steel plate, a concrete column Structure, the top steel plate is arranged at the bottom of the foundation, and there are several compression springs connected to it between it and the middle steel plate; the bottom steel plate is arranged under the middle steel plate, and two vertical Straight steel plates are connected, and two ends of the upper surface of the bottom steel plate are provided with chute; the bottom of the sliding steel plate is provided with a heavy wheel slide that cooperates with the chute; the inner walls of the two vertical steel plates are respectively provided with The concrete column structure is connected with it, and the free ends of the concrete column structure are connected by a chain connecting ring. The invention can transform the damage energy of the seismic wave to the building, block the influence of the seismic wave on the foundation of the building, and thus avoid the vibration on the ground part of the building.

Description

A movable anti-seismic device suitable for the bottom of a building foundation and its construction method

technical field

The invention relates to the field of building earthquake resistance, in particular to a movable earthquake resistance device suitable for the bottom of a building foundation and a construction method thereof.

Background technique

Earthquakes have always been one of the biggest sources that affect the stability and safety of buildings. Under strong earthquakes, buildings at the place where they occur are bound to collapse. However, the surrounding areas of the earthquake area will be affected more or less. In order to avoid the losses caused by natural disasters, it is necessary to take effective seismic measures. In the current building construction technology, most of the building structures are adjusted, and ring beams, structural columns, etc. are arranged in a large area on the ground part of the building. These methods have considerable effects, but the seismic capacity of the underground parts of the building is weak, and the large-scale construction requires a large workload and many construction consumables.

Seismic waves are emitted from the core of the earth from the inside to the outside. The first part of the building to be vibrated is actually the underground part of the building. capacity will be greatly improved.

It can be seen that how to effectively block the seismic sensation transmitted from the bottom to the top by the building foundation is a technical problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, to provide a movable anti-seismic device suitable for the bottom of the building foundation and its construction method, the invention aims to transform the damage energy of the seismic wave to the building, and block the impact of the seismic wave on the building foundation , so as to avoid the vibration of the above-ground part of the building.

In order to realize the purpose of the present invention, the technical scheme adopted in the present invention is:

The invention discloses a movable anti-seismic device suitable for the bottom of a building foundation, comprising a top steel plate, a middle steel plate, a compression spring, a vertical steel plate, a bottom steel plate, a sliding steel plate and a concrete column structure. At the bottom, the middle steel plate is arranged below the top steel plate, and there are several compression springs connected to it; the bottom steel plate is arranged under the middle steel plate, and two longitudinally arranged between the two The upper surface of the bottom steel plate is connected with a chute; the bottom of the sliding steel plate is provided with a heavy wheel slide that cooperates with the chute; the inner walls of the two vertical steel plates are respectively There is a concrete column structure connected with it, and the free ends of the concrete column structure are connected by a chain connecting ring.

The two ends of the upper surface of the bottom steel plate are respectively provided with two sliding grooves that cooperate with the two sliding steel plates to slide, and a friction steel plate fixed on the upper surface of the bottom steel plate is arranged between the two sliding grooves. The two side walls of the friction steel plate are respectively in contact with the inner walls of the two sliding steel plates to form a friction plane.

The height of the sliding steel plate and the friction steel plate is smaller than that of the vertical steel plate.

The outer end of the chute is provided with a locking steel plate for preventing the heavy wheel from sliding.

The bottom of the sliding steel plate is provided with a groove for fixing the heavy wheel skating; the length of the friction steel plate is greater than the distance between the clamping steel plate and the outer end wall of the sliding steel plate.

The concrete column structure is formed by a number of broken concrete cylinders fixed by steel coils, and a gap is arranged between the broken concrete cylinders; one end of the crushed concrete cylinder in the middle is provided with a chain for connecting with the chain. Connecting steel blocks connected by connecting rings.

A first steel sleeve is arranged on one end of the concrete column structure connected with the vertical steel plate, a second steel sleeve is arranged on the vertical steel plate, and a steel pipe is passed between the first and second steel sleeves. connect.

The outer diameter of the first and second steel sleeves is different from the outer diameter of the concrete column structure.

The invention discloses a construction method for a movable anti-seismic device suitable for the bottom of a building foundation, comprising the following steps:

Step 1, install the top steel plate at the bottom of the foundation; Step 2, weld a compression spring at the bottom of the top steel plate, and connect the other end of the compression spring with the middle steel plate; Step 3, weld a vertical steel plate on each side of the lower surface of the middle steel plate; Step 4. Weld the bottom steel plate at the bottom of the vertical steel plate, and weld the clamping steel plate at the appropriate position of the chute of the bottom steel plate; Step 5, two sliding steel plates are supported by heavy roller skating, which slides with the chute; Install the friction steel plate in contact with it; step 7, a plurality of broken concrete cylinders are synthesized into concrete column members, and are bound with steel coils to fix; step 8, the first and second steel sleeves are connected by steel pipes, and the second steel The sleeve is welded on the vertical steel plate, and the first steel sleeve is connected with all the broken concrete cylinders in the concrete column member, and the concrete column members on the left and right sides are also connected by the connecting steel block at the other end of the middle broken concrete cylinder. Chain link link connection.

The beneficial effects of the present invention are:

(1) In the present invention, the seismic wave energy consumed by the thick roller skating rolling in the chute and the friction movement between the sliding steel plate and the friction steel plate breaking through the obstacles does not act on the building itself, reducing its harmful effect on the building.

(2) In the present invention, by setting the outer diameter of the first and second steel sleeves to the diameter of the concrete columnar member, the vibration amplitudes are different, and damage is not easy to occur.

(3) In the present invention, there are gaps between the broken concrete cylinders and columns, and the seismic waves are attenuated here.

(4) The present invention binds and fixes the broken concrete cylinder column through the reinforcement coil, strengthens the endurance of the concrete column member, and also resists seismic waves with its own strength.

(5) In the present invention, the concrete cylindrical members are connected by chain connection rings, and the collision and extrusion of the rings converts seismic wave energy.

(6) The present invention reduces the shock sense from the contact surface angle by not contacting the top of the middle steel plate and the sliding steel plate and the friction steel plate, and the compression spring between the middle steel plate and the top steel plate also acts as a buffer and reduces the shock sense from the bottom to the bottom. the role of transmission.

(7) In the present invention, in the event of soil subsidence or other emergencies, the device can undertake the foundation to prevent the foundation from collapsing.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial structure schematic diagram of the present invention;

3 is a schematic diagram of the connection between the first and second steel sleeves, the concrete cylindrical member and the chain connecting ring in the present invention;

4 is a schematic diagram of a concrete column member in the present invention;

FIG. 5 is a schematic diagram of the installation position of the present invention.

In the picture 1 top steel plate, 2 middle steel plate, 3 compression spring, 4 vertical steel plate, 5 bottom steel plate, 6 chute, 7 groove, 8 sliding steel plate, 9 friction steel plate, 10 concrete column structure, 11 chain connecting ring , 12 heavy roller skating, 13 card position steel plate, 14 foundation, 15 first steel sleeve, 16 steel pipe, 17 steel coil, 18 broken concrete column, 19 connecting steel block, 20 second steel sleeve.

Detailed ways

The present invention is further described below:

See Figure 1-5,

The invention discloses a movable anti-seismic device suitable for the bottom of a building foundation, comprising a top steel plate 1, a middle steel plate 2, a compression spring 3, a vertical steel plate 4, a bottom steel plate 5, a sliding steel plate 8, and a concrete column structure 10. The top steel plate 1 is arranged at the bottom of the foundation 14, the middle steel plate 2 is arranged below the top steel plate 1, and a number of compression springs 3 are arranged between the two; the bottom steel plate 5 is arranged on the Below the middle steel plate 2, the two are connected by two vertically arranged vertical steel plates 4. The upper surface of the bottom steel plate 5 is provided with chute 6 at both ends; the bottom of the sliding steel plate 8 is provided with The groove 6 cooperates with the sliding heavy roller skating 12; the inner walls of the two vertical steel plates 4 are respectively provided with a concrete column structure 10 connected to it, and the free ends of the concrete column structure 10 are connected by a chain connecting ring 11, In this case, the seismic wave energy consumed by the heavy roller skating 12 rolling in the chute 6 to break the obstacle does not act on the building itself, reducing its harmful effect on the building; the compression spring 3 between the middle steel plate 2 and the top steel plate 1 also acts In order to buffer and reduce the transmission of shock sensation from bottom to top; in the case of soil subsidence or other emergencies, the device can undertake the foundation 14 to prevent the foundation from collapsing.

The two ends of the upper surface of the bottom steel plate 5 are respectively provided with two sliding grooves 6 that cooperate with the two sliding steel plates 8 to slide, and between the two sliding grooves 6 are fixed on the upper surface of the bottom steel plate 5. Friction steel plate 9, the two side walls of the friction steel plate 9 are in contact with the inner walls of the two sliding steel plates 8 respectively to form a friction plane, and the seismic wave energy consumed by the friction movement between the sliding steel plate 8 and the friction steel plate 9 breaks through the obstacles and does not work Because of the building itself, it weakens its harmful effect on the building.

The height of the sliding steel plate 8 and the friction steel plate 9 is smaller than the height of the vertical steel plate 4, and the shock feeling is reduced from the contact surface angle because the middle steel plate 2 is not in contact with the tops of the sliding steel plate 8 and the friction steel plate 9.

The outer end of the chute 6 is provided with a locking steel plate 13 for preventing the heavy roller 12 from sliding, so as to limit the rolling of the heavy roller 12 beyond the range.

The bottom of the sliding steel plate 8 is provided with a groove 7 for fixing the thick and heavy roller skating 12; the length of the friction steel plate 9 is greater than the distance between the clamping steel plate 13 and the outer end wall of the sliding steel plate 8, so as to ensure maximum frictional heat.

The concrete column structure 10 is formed by a plurality of crushed concrete cylinders 18 fixed by steel coils 17, and a gap is provided between the crushed concrete cylinders 18; one end of the crushed concrete cylinder 18 in the middle is There is a connecting steel block 19 for connecting with the chain connecting ring 11. The number of the chain connecting ring 11 used for connection can be determined according to the specific situation. The crushing probability is very large, and the seismic energy can also be converted into heat energy; there are gaps between the broken concrete cylinders 18, and the seismic waves are attenuated here; the steel coils 17 are bundled and fixed to the broken concrete cylinders 18 to strengthen the endurance of the concrete column members 10. , but also with its own strong resistance to seismic waves.

One end of the concrete column structure 10 connected to the vertical steel plate 4 is provided with a first steel sleeve 15, the vertical steel plate 4 is provided with a second steel sleeve 20, the first and second steel sleeves The cylinders are connected by steel pipes 16; the outer diameters of the first steel sleeve 15 and the second steel sleeve 20 are different from the outer diameter of the concrete column structure 10, the first and second steel sleeves, the steel pipe 16 , the diameters of the three concrete columnar members 10 are different, and the vibration amplitudes are different, so it is not easy to be damaged.

The invention discloses a construction method for a movable anti-seismic device suitable for the bottom of a building foundation, comprising the following steps:

Step 1, install the top steel plate 1 at the bottom of the foundation 14; Step 2, weld a compression spring 3 at the bottom of the top steel plate 1, and the other end of the compression spring 3 is connected to the middle steel plate 2; Step 3, on both sides of the lower surface of the middle steel plate 2 Weld a vertical steel plate 4; Step 4: Weld the bottom steel plate 5 at the bottom of the vertical steel plate 4, and weld the clamping steel plate 13 at the appropriate position of the chute 6 of the bottom steel plate 5; , the heavy roller 12 slides with the chute 6; Step 6, install the friction steel plate 9 in contact with it between the sliding steel plates 8; Step 7, a plurality of broken concrete cylinders 18 are synthesized into the concrete columnar member 10, and are bundled with reinforced coils 17 To fix; Step 8, the first and second steel sleeves are connected through the steel pipe 16, the second steel sleeve 20 is welded on the vertical steel plate 4, the first steel sleeve 15 and all the broken concrete in the concrete columnar member The columns are connected, and the concrete column members 10 on the left and right sides are also connected by the chain connecting ring 11 through the connecting steel block 19 at the other end of the crushed concrete column 18 in the middle.

The working principle of the present invention is as follows: 1. Seismic waves first enter from the left and right sides of the device, and when they contact the sliding steel plate 8, they move after being vibrated because they are not welded with other steel plates, and the heavy pulley 12 at the bottom rolls in the chute 6, while The friction steel plate 9 between the sliding steel plates 8 is welded with the bottom steel plate 5 and the vertical steel plate 4 at the bottom and one side end wall respectively, so it is relatively static, a static and a moving generate friction, the energy of the seismic wave is converted into frictional heat energy, and the heavy roller 12 rolls The friction that is overcome also helps to consume part of the energy; 2. The first and second steel sleeves of the cylindrical members whose diameters are different from the crushed concrete cylinders 18 change the vibration amplitude between the two in a small range, and set two steel sleeves The purpose of the cylinder is to change the vibration amplitude multiple times and reduce damage; 3. There are cracks in the cylindrical members composed of the broken concrete cylinder 18, which is easy to consume the energy of seismic waves; 4. The steel coil 17 wraps the crushed concrete cylinder 18, one is to ensure The structural stability of the broken concrete column member 10 is that the steel coil 17 is shaped like a spring, although it lacks elasticity, it is not easy to stretch and compress, and the seismic energy can be consumed here; 5. The chain connecting ring connecting the two concrete column structures 10 11. It has a transitional buffering effect, the connecting ring has strong mobility, and the probability of collision and extrusion is extremely large, and the seismic energy can also be converted into heat energy; 7. The compression spring connection between the middle steel plate 2 and the top steel plate 1 is the last anti-seismic measure, and the elastic potential energy of the compression spring can withstand seismic energy.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent transformation made by using the contents of the description and the accompanying drawings of the present invention or directly or indirectly applied in the relevant technical fields are similarly included in the present invention. inventions within the scope of patent protection.

Claims (9)

1. A movable anti-seismic device suitable for the bottom of a building foundation, characterized in that it comprises a top steel plate (1), a middle steel plate (2), a compression spring (3), a vertical steel plate (4), and a bottom steel plate (5) , sliding steel plate (8), concrete column structure (10), The top steel plate (1) is arranged at the bottom of the foundation (14), the middle steel plate (2) is arranged below the top steel plate (1), and there are several compression springs (3) connected therebetween. ); The bottom steel plate (5) is arranged below the middle steel plate (2), and the two are connected by two vertically arranged vertical steel plates (4), and both ends of the upper surface of the bottom steel plate (5) are provided with Chute (6); The bottom of the sliding steel plate (8) is provided with a heavy wheel slide (12) that cooperates and slides with the chute (6); The inner walls of the two vertical steel plates (4) are respectively provided with concrete column structures (10) connected thereto, and the free ends of the concrete column structures (10) are connected by a chain connecting ring (11). 2. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 1, characterized in that: two and two sliding steel plates (8) are respectively provided on both ends of the upper surface of the bottom steel plate (5). ) with sliding chute (6), between the two chute (6) is a friction steel plate (9) fixed on the upper surface of the bottom steel plate (5), the friction steel plate (9) The two side walls are respectively in contact with the inner walls of the two sliding steel plates (8) to form a friction plane. 3. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 2, characterized in that: the height of the sliding steel plate (8) and the friction steel plate (9) is smaller than that of the vertical steel plate (4) the height of. 4. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 3, characterized in that: the outer end of the chute (6) is provided with a clamping steel plate for preventing the sliding of the heavy wheel runner (12). (13). 5. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 4, characterized in that: the bottom of the sliding steel plate (8) is provided with a groove (7) for fixing the heavy roller skate (12). ; The length of the friction steel plate (9) is greater than the distance between the latching steel plate (13) and the outer end wall of the sliding steel plate (8). 6. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 5, characterized in that: the concrete column structure (10) is composed of several crushed concrete columns (18) passing through steel coils (17). ) is fixed, and there are gaps between a plurality of the crushed concrete cylinders (18); one end of the crushed concrete cylinder (18) in the middle is provided with a connecting steel for connecting with the chain connecting ring (11). block (19). 7. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 6, characterized in that: one end of the concrete column structure (10) connected to the vertical steel plate (4) is provided with a first A steel sleeve (15), a second steel sleeve (20) is provided on the vertical steel plate (4), and the first and second steel sleeves are connected by a steel pipe (16). 8. A movable anti-seismic device suitable for the bottom of a building foundation according to claim 7, characterized in that: the outer diameter of the first steel sleeve (15) and the second steel sleeve (20) is the same as that of all the The outer diameter of the concrete column structure (10) is different. 9. A construction method suitable for a movable anti-seismic device at the bottom of a building foundation, characterized in that it comprises the following steps: Step 1, install the top steel plate (1) at the bottom of the foundation (14); Step 2, weld the compression spring (3) at the bottom of the top steel plate (1), and connect the other end of the compression spring (3) with the middle steel plate (2); step 3. Weld a vertical steel plate (4) on both sides of the lower surface of the middle steel plate (2); in step 4, weld the bottom steel plate (5) on the bottom of the vertical steel plate (4), and at the chute of the bottom steel plate (5) (6) Weld the clamping steel plate (13) at the appropriate position; in step 5, the two sliding steel plates (8) are supported by the heavy roller skate (12), and the heavy roller skate (12) cooperates with the chute (6) to slide; step six, in the sliding A friction steel plate (9) in contact with the steel plate (8) is installed; in step seven, a plurality of crushed concrete cylinder columns (18) are combined into a concrete columnar member (10), and are bound with steel coils (17) for fixing; step eight, The first and second steel sleeves are connected by a steel pipe (16), the second steel sleeve (20) is welded on the vertical steel plate (4), and the first steel sleeve (15) is connected to all the concrete column members. The broken concrete columns are connected, and the left and right concrete column members (10) are also connected by the chain connecting rings (11) through the connecting steel blocks (19) at the other end of the middle broken concrete column (18).

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