A seismic isolation device with limited position function and its use method

Abstract

The present invention discloses a seismic isolation device with a limiting function and a method of using the same, comprising a lower sealing layer steel plate, which is arranged at the upper end of the lower connecting steel plate, an upper sealing layer steel plate is arranged below the upper connecting steel plate, and fixing bolts are provided on both the lower connecting steel plate and the upper connecting steel plate; a seismic isolation body, which is arranged between the lower sealing layer steel plate and the upper sealing layer steel plate, and the seismic isolation body comprises a rubber protective sleeve, a stiffening steel plate and an internal rubber sheet; a limiting plate, which is arranged on the outside of the seismic isolation body, and the limiting plate is arranged above the lower connecting steel plate. The seismic isolation device installs limiting plates around the seismic isolation body, and the seismic isolation body will contact the limiting plates when the skew amplitude of the skew is too large. The limiting plates can limit the skewed seismic isolation body to prevent the seismic isolation body from being excessively skewed, thereby protecting the seismic isolation body, ensuring the subsequent horizontal displacement performance of the seismic isolation body, and improving the service life of the seismic isolation device.

Description

Technical Field

[0001] The present invention relates to the technical field of seismic isolation devices, and in particular to a seismic isolation device with a limiting function and a method of using the same. Background Art

[0002] Seismic isolation is a new form of earthquake-resistant building structure. It prevents the earthquake from transmitting upward by setting isolation pads on the top of a column on a certain floor of the house, thereby achieving the effect of weakening the earthquake response of the structure. It is divided into base isolation structure and layer isolation structure. Seismic isolation device refers to the use of seismic isolation technology to set up seismic isolation devices at the base or a certain position of the building to form an isolation layer, isolating the upper structure and the lower foundation, so as to consume earthquake energy, avoid or reduce the transmission of earthquake energy to the upper part, and more effectively protect the safety of the upper structure and internal personnel and equipment.

[0003] The Chinese patent publication number is CN205894343U, and the authorization announcement date is January 18, 2017. A building seismic isolation device comprises: a bottom plate, a protective layer, a top plate, a vent, a first sliding seismic isolation device, a first sliding groove, a bottom connecting plate, a rubber seismic isolation layer, a top connecting plate, a central axis, a second sliding seismic isolation device, and a second sliding groove. The bottom plate is provided with a protective layer, the protective layer is fixedly connected to the bottom plate, a top plate is provided on the protective layer, the top plate is fixedly connected to the protective layer, a vent is provided on the top plate, the vent is fixedly connected to the top plate, a first sliding seismic isolation device is provided within the protective layer, a first sliding groove is provided below the first sliding seismic isolation device, the first sliding seismic isolation device is movably connected to the first sliding groove, and the first sliding groove is fixedly connected to the bottom plate. The utility model has a strong seismic isolation effect, is compact, and is inexpensive, bringing great convenience to users.

[0004] The existing seismic isolation device relies on multi-layer rubber bearings to bear the weight and horizontal displacement of the building. The seismic isolation body will tilt irregularly in all directions when working. There is no limiting mechanism on the outside of the seismic isolation body. The force, tilt and deformation of the seismic isolation body exceed the horizontal displacement function of the internal rubber sheet, which can easily cause damage to the seismic isolation body, reduce the service life of the seismic isolation device, and cannot meet the use requirements. Summary of the Invention

[0005] The purpose of the present invention is to provide a seismic isolation device with a limiting function and a method of use thereof, so as to solve the problem proposed in the above background technology that the existing seismic isolation device relies on multi-layer rubber supports to bear the weight and horizontal displacement of the building. The seismic isolation body will tilt irregularly in all directions when working. There is no limiting mechanism on the outside of the seismic isolation body. The force, distortion and deformation of the seismic isolation body exceed the horizontal displacement function of the internal rubber sheet, which can easily cause damage to the seismic isolation body, reduce the service life of the seismic isolation device, and cannot meet the use requirements.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a seismic isolation device with a limiting function, comprising a lower connecting steel plate and an upper connecting steel plate, and further comprising:

[0007] A lower sealing steel plate is provided at the upper end of the lower connecting steel plate, and the lower sealing steel plate is in contact with the lower connecting steel plate. An upper sealing steel plate is provided below the upper connecting steel plate, and the upper sealing steel plate is in contact with the upper connecting steel plate. Both the lower connecting steel plate and the upper connecting steel plate are provided with fixing bolts, and the fixing bolts are threadedly connected to the lower sealing steel plate and the upper sealing steel plate.

[0008] An isolation body is provided between the lower sealing steel plate and the upper sealing steel plate, and the two ends of the isolation body are respectively connected to the lower sealing steel plate and the upper sealing steel plate as a whole, the isolation body includes a rubber protective sleeve, a stiffening steel plate and an internal rubber sheet, at least six stiffening steel plates and six internal rubber sheets are provided, and both stiffening steel plates and internal rubber sheets are arranged inside the rubber protective sleeve, and the stiffening steel plates and internal rubber sheets are cross-stacked;

[0009] A limiting plate is arranged outside the seismic isolation body. There are four limiting plates, and the four limiting plates are equidistantly arranged outside the seismic isolation body. The limiting plates are arranged above the lower connecting steel plate, and the cross-section of the limiting plates is trapezoidal.

[0010] Preferably, both the stiffening steel plate and the internal rubber sheet are provided with reserved holes, and there are four reserved holes, which are equidistantly arranged on the stiffening steel plate and the internal rubber sheet respectively. The reserved holes on the stiffening steel plate and the internal rubber sheet are arranged correspondingly, and a lead core is provided inside the reserved hole, and the lead core is arranged to penetrate the stiffening steel plate and the internal rubber sheet, and the lead core is connected to the lower sealing steel plate, the upper sealing steel plate, the stiffening steel plate and the internal rubber sheet as a whole.

[0011] Preferably, the upper and lower ends of the stiffening steel plate are provided with raised blocks, and the raised blocks are arranged equidistantly around the reserved holes on the stiffening steel plate, the raised blocks and the stiffening steel plate are integrated, the upper and lower ends of the internal rubber sheet are provided with grooves, and the grooves are arranged equidistantly around the reserved holes on the internal rubber sheet, the raised blocks and the grooves are arranged correspondingly, and the cross-sections of the raised blocks and the grooves are both arc-shaped, a fireproof cover is provided on the outside of the rubber protective cover, and the fireproof cover is connected to the rubber protective cover as a whole.

[0012] Preferably, a mounting hole is provided at the upper end of the lower connecting steel plate, and there are four mounting holes, and the four mounting holes are equidistantly arranged on the outside of the lower sealing steel plate, and threaded holes are provided inside the four mounting holes, and connecting blocks are provided below the four limiting plates, and the connecting blocks are fixedly connected to the limiting plates, and the connecting blocks are arranged corresponding to the mounting holes, and positioning holes are provided on the connecting blocks, and the positioning holes and the threaded holes are arranged correspondingly, and a locking bolt is provided on the outside of the lower connecting steel plate, and the locking bolt is arranged correspondingly to the positioning holes and the threaded holes.

[0013] Preferably, a mounting bracket is provided between the four limiting plates, four mounting brackets are provided, and the mounting bracket is fixedly connected to the limiting plate, the four mounting brackets are provided on one side of the four corners of the seismic isolation body, and pressure sensors are provided on the inner sides of the four mounting brackets, two pressure sensors are provided, and the pressure sensors are fixedly connected to the mounting bracket, a roller assembly is provided on one side of the pressure sensor, and the roller assembly is fitted with the seismic isolation body, a spring rod is provided between the roller assembly and the pressure sensor, and the two ends of the spring rod are elastically connected to the roller assembly and the pressure sensor respectively, a data transmitter is provided on one side of the limiting plate, and the data transmitter is fixedly connected to the limiting plate, and the data transmitter is electrically connected to the pressure sensor.

[0014] Preferably, one side of each of the four limiting plates is provided with a reinforcing rib, and the reinforcing rib is fixedly connected to the limiting plate, and the cross section of the reinforcing rib is triangular.

[0015] Preferably, the lower end of the lower connecting steel plate and the upper end of the upper connecting steel plate are both provided with positioning protrusions, and the positioning protrusions are integrated with the lower connecting steel plate and the upper connecting steel plate, and the four corners of the lower connecting steel plate are respectively provided with lower connecting bolt assemblies, four lower connecting bolt assemblies are provided, and the lower connecting bolt assemblies are connected to the lower connecting steel plate as a whole, and the four corners of the upper connecting steel plate are respectively provided with upper connecting bolt assemblies, four upper connecting bolt assemblies are provided, and the upper connecting bolt assemblies are connected to the upper connecting steel plate as a whole.

[0016] A method for using a seismic isolation device with a limiting function comprises the following steps:

[0017] Step 1: Assemble the seismic isolation device and install the assembled seismic isolation device using the upper connecting bolt assembly and the lower connecting bolt assembly;

[0018] Step 2: Insert the connecting block into the mounting hole and secure it with the locking bolts. Install the limit plates around the isolation body.

[0019] Step 3: When the isolation device is working, the isolation body tilts, and the tilted isolation body contacts the limit plate. The limit plate limits the isolation body, preventing the isolation body from being excessively tilted and causing damage to the isolation device.

[0020] Step 4: The roller assembly contacts the isolation body. When the isolation body tilts, it squeezes the spring rod, and the squeezing force is measured with the help of a pressure sensor.

[0021] Step 5: There are multiple groups of pressure measuring mechanisms, and the measured pressure data are uploaded to the terminal with the help of a data transmitter, so as to facilitate the measurement of the skewness of the isolation body according to the pressure measuring mechanism and indirectly monitor the working performance of the isolation device.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The device of the invention is provided with a limit plate, a mounting hole, a connecting block, and a locking bolt. The connecting block is inserted into the mounting hole to connect the limit plate to the lower connecting steel plate. The connected limit plate is fixed with the locking bolt. The limit plate is arranged on the outside of the seismic isolation body. When the seismic isolation device is working, if the seismic isolation body tilts, the tilted seismic isolation body contacts the limit plate, and the limit plate limits the tilted seismic isolation body, thereby preventing the seismic isolation body from tilting excessively.

[0024] 2. The device of the invention is equipped with a roller assembly, a pressure sensor, a spring rod, and a data transmitter. The roller assembly contacts the isolation body. When the isolation body tilts, the roller assembly is squeezed, causing the spring rod to compress. The pressure sensor measures the pressure between the isolation body and the roller assembly. The measured pressure data facilitates the determination of the tilt angle and amplitude of the isolation body. The data transmitter uploads the measured pressure data, facilitating remote monitoring of the isolation device.

[0025] 3. The device of the invention is equipped with a protrusion, a groove and a fireproof cover. The protrusion is inserted into the groove and connected to the internal rubber sheet, which can limit the stacked stiffening steel plates and the internal rubber sheet, effectively preventing the stiffening steel plates and the internal rubber sheet from being separated by force, and improving the stability of the multi-layer rubber support. The heat-insulating and flame-retardant properties of the fireproof cover can effectively avoid the combustion damage of the seismic isolation body in the event of a fire, thereby ensuring the service life of the seismic isolation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 is a cross-sectional view of the present invention;

[0028] Figure 3 This is a diagram showing the connection between the stiffening steel plate and the internal rubber sheet of the present invention;

[0029] Figure 4 This is a cross-sectional view of the connection between the limiting plate and the seismic isolation body of the present invention;

[0030] Figure 5 This is a diagram showing the connection relationship between the limit plate and the lower connecting steel plate of the present invention;

[0031] Figure 6 For the present invention Figure 2 A partial enlarged view of area A.

[0032] In the figure: 1. Lower connecting steel plate; 2. Upper connecting steel plate; 3. Positioning protrusion; 4. Upper connecting bolt assembly; 5. Lower connecting bolt assembly; 6. Fireproof cover; 7. Fixing bolt; 8. Limiting plate; 9. Seismic isolation body; 10. Mounting frame; 11. Data transmitter; 12. Locking bolt; 13. Lower sealing steel plate; 14. Upper sealing steel plate; 15. Lead core; 16. Rubber protective cover; 17. Reinforcing steel plate; 18. Internal rubber sheet; 19. Reserved hole; 20. Protrusion; 21. Groove; 22. Roller assembly; 23. Pressure sensor; 24. Spring rod; 25. Mounting hole; 26. Threaded hole; 27. Connecting block; 28. Positioning hole; 29. ​​Reinforcement rib. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] See also Figure 1-6 The present invention provides an embodiment of a seismic isolation device with a limiting function, comprising a lower connecting steel plate 1 and an upper connecting steel plate 2, and further comprising:

[0035] A lower sealing steel plate 13 is provided at the upper end of the lower connecting steel plate 1, and the lower sealing steel plate 13 is in contact with the lower connecting steel plate 1. An upper sealing steel plate 14 is provided below the upper connecting steel plate 2, and the upper sealing steel plate 14 is in contact with the upper connecting steel plate 2. A fixing bolt 7 is provided on both the lower connecting steel plate 1 and the upper connecting steel plate 2, and the fixing bolt 7 is threadedly connected to the lower sealing steel plate 13 and the upper sealing steel plate 14.

[0036] The seismic isolation body 9 is arranged between the lower sealing steel plate 13 and the upper sealing steel plate 14, and the two ends of the seismic isolation body 9 are respectively connected to the lower sealing steel plate 13 and the upper sealing steel plate 14 as a whole. The seismic isolation body 9 includes a rubber protective sleeve 16, a stiffening steel plate 17 and an internal rubber sheet 18. There are at least six stiffening steel plates 17 and internal rubber sheets 18, and the stiffening steel plates 17 and internal rubber sheets 18 are both arranged inside the rubber protective sleeve 16. The stiffening steel plates 17 and the internal rubber sheets 18 are cross-stacked.

[0037] The limiting plate 8 is arranged outside the seismic isolation body 9. There are four limiting plates 8, and the four limiting plates 8 are arranged equidistantly outside the seismic isolation body 9. The limiting plate 8 is arranged above the lower connecting steel plate 1, and the cross-section of the limiting plate 8 is trapezoidal.

[0038] During use: the reinforcing steel plate 17 and the internal rubber sheet 18 constitute a multi-layer rubber bearing to bear the weight and horizontal displacement of the building, thereby realizing the seismic isolation function. After the force is completed, under the action of the shear tension of the internal rubber sheet 18, the subsequent seismic isolation performance is guaranteed, and the limiting plate 8 is fixedly installed around the seismic isolation body 9. The seismic isolation body 9 is skewed during operation, and the skewed seismic isolation body 9 contacts the limiting plate 8. The skewed seismic isolation body 9 is limited by the limiting plate 8 to prevent the seismic isolation body 9 from being excessively skewed, thereby protecting the seismic isolation device.

[0039] See also Figure 2 and Figure 3 , both the stiffening steel plate 17 and the internal rubber sheet 18 are provided with reserved holes 19, and there are four reserved holes 19. The four reserved holes 19 are equidistantly arranged on the stiffening steel plate 17 and the internal rubber sheet 18, and the reserved holes 19 on the stiffening steel plate 17 and the internal rubber sheet 18 are arranged correspondingly. A lead core 15 is arranged inside the reserved hole 19, and the lead core 15 is connected with the stiffening steel plate 17 and the internal rubber sheet 18. The lead core 15 is connected to the lower sealing steel plate 13, the upper sealing steel plate 14, the stiffening steel plate 17 and the internal rubber sheet 18 as a whole. When the lead core 15 is sheared and deformed in the multi-layer rubber bearing, it absorbs energy by plastic deformation. After the force is completed, the lead core 15 undergoes dynamic recovery and recrystallization processes, and the seismic isolation body 9 automatically returns to its original position.

[0040] See also Figure 2 、 Figure 3 and Figure 6 , The upper and lower ends of the stiffening steel plate 17 are provided with raised blocks 20, and the raised blocks 20 are equidistantly arranged around the reserved holes 19 on the stiffening steel plate 17, the raised blocks 20 and the stiffening steel plate 17 are set as one body, the upper and lower ends of the internal rubber sheet 18 are provided with grooves 21, and the grooves 21 are equidistantly arranged around the reserved holes 19 on the internal rubber sheet 18, the raised blocks 20 and the grooves 21 are correspondingly arranged, and the cross-sections of the raised blocks 20 and the grooves 21 are both arc-shaped, and the outer design of the rubber protective sleeve 16 A fireproof cover 6 is provided, and the fireproof cover 6 is connected to the rubber protective cover 16 as a whole. By aligning the protruding block 20 with the groove 21 and inserting it into the internal rubber sheet 18 to connect it, it can limit the stacked stiffening steel plates 17 and the internal rubber sheets 18, effectively preventing the stiffening steel plates 17 and the internal rubber sheets 18 from being separated by force, thereby improving the stability of the multi-layer rubber support. The heat-insulating and flame-retardant properties of the fireproof cover 6 can effectively avoid the burning damage of the seismic isolation body 9 in the event of a fire, thereby ensuring the service life of the seismic isolation device.

[0041] See also Figure 1 and Figure 5The upper end of the lower connecting steel plate 1 is provided with a mounting hole 25, and four mounting holes 25 are provided, and the four mounting holes 25 are equidistantly arranged on the outside of the lower sealing steel plate 13. The inside of the four mounting holes 25 is provided with a threaded hole 26, and a connecting block 27 is provided under the four limiting plates 8, and the connecting block 27 is fixedly connected to the limiting plate 8, and the connecting block 27 is corresponding to the mounting hole 25. A positioning hole 28 is provided on the connecting block 27, and the positioning hole 28 is corresponding to the threaded hole 26. A locking bolt 12 is provided on the outside of the lower connecting steel plate 1, and the locking bolt 12 is corresponding to the positioning hole 28 and the threaded hole 26. The limiting plate 8 is conveniently connected to the lower connecting steel plate 1 through the mounting hole 25 and the connecting block 27. The locking bolt 12 limits and fixes the connected limiting plate 8, which is convenient for subsequent replacement of the deformed limiting plate 8 to ensure an effective limiting function.

[0042] See also Figure 1 and Figure 4 , a mounting frame 10 is provided between the four limiting plates 8, four mounting frames 10 are provided, and the mounting frames 10 are fixedly connected to the limiting plates 8, the four mounting frames 10 are provided on one side of the four corners of the seismic isolation body 9, the inner sides of the four mounting frames 10 are provided with pressure sensors 23, two pressure sensors 23 are provided, and the pressure sensors 23 are fixedly connected to the mounting frames 10, a roller assembly 22 is provided on one side of the pressure sensor 23, and the roller assembly 22 is fitted with the seismic isolation body 9, a spring rod 24 is provided between the roller assembly 22 and the pressure sensor 23, and the two ends of the spring rod 24 are respectively connected to The roller assembly 22 and the pressure sensor 23 are elastically connected. A data transmitter 11 is provided on one side of the limit plate 8, and the data transmitter 11 is fixedly connected to the limit plate 8. The data transmitter 11 is electrically connected to the pressure sensor 23, and contacts the seismic isolation body 9 through the roller assembly 22. When the seismic isolation body 9 is skewed, the roller assembly 22 and the spring rod 24 are squeezed, and the applied pressure is measured with the help of the pressure sensor 23. The skew angle and amplitude of the seismic isolation body 9 are conveniently obtained according to the measured pressure data. The data transmitter 11 uploads the measured pressure data, which is convenient for remote monitoring of the operation of the seismic isolation device.

[0043] See also Figure 1 and Figure 5 One side of each of the four limiting plates 8 is provided with a reinforcing rib 29, and the reinforcing rib 29 is fixedly connected to the limiting plate 8. The cross section of the reinforcing rib 29 is triangular, and the structural strength of the connection between the limiting plate 8 and the lower connecting steel plate 1 is improved by the reinforcing rib 29.

[0044] See also Figure 1The lower end of the lower connecting steel plate 1 and the upper end of the upper connecting steel plate 2 are both provided with positioning protrusions 3, and the positioning protrusions 3 are integrated with the lower connecting steel plate 1 and the upper connecting steel plate 2. The four corners of the lower connecting steel plate 1 are provided with lower connecting bolt assemblies 5, and there are four lower connecting bolt assemblies 5, and the lower connecting bolt assemblies 5 are connected to the lower connecting steel plate 1 as a whole. The four corners of the upper connecting steel plate 2 are each provided with upper connecting bolt assemblies 4, and there are four upper connecting bolt assemblies 4, and the upper connecting bolt assemblies 4 are connected to the upper connecting steel plate 2 as a whole. The seismic isolation device is fixed and installed by the upper connecting bolt assembly 4 and the lower connecting bolt assembly 5.

[0045] A method for using a seismic isolation device with a limiting function comprises the following steps:

[0046] Step 1: Assemble the seismic isolation device and install the assembled seismic isolation device using the upper connecting bolt assembly 4 and the lower connecting bolt assembly 5;

[0047] Step 2: Insert the connecting block 27 into the mounting hole 25 and secure it with the locking bolt 12, and install the limiting plate 8 around the seismic isolation body 9;

[0048] Step 3: When the seismic isolation device is working, the seismic isolation body 9 becomes skewed, and the skewed seismic isolation body 9 contacts the limiting plate 8. The limiting plate 8 limits the seismic isolation body 9 to prevent the seismic isolation body 9 from being excessively skewed and causing damage to the seismic isolation device;

[0049] Step 4: The roller assembly 22 contacts the seismic isolation body 9. When the seismic isolation body 9 is tilted, it squeezes the spring rod 24. The squeezing force is measured by the pressure sensor 23.

[0050] Step 5: Multiple groups of pressure measuring mechanisms are provided, and the measured pressure data are uploaded to the terminal with the help of the data transmitter 11, so as to facilitate the measurement of the skewness of the isolation body 9 according to the pressure measuring mechanism and indirectly monitor the working performance of the isolation device.

[0051] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0052] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A seismic isolation device with a limiting function, comprising a lower connecting steel plate (1) and an upper connecting steel plate (2), characterized in that: Also includes: A lower sealing layer steel plate (13) is provided at the upper end of the lower connecting steel plate (1), and the lower sealing layer steel plate (13) is in contact with the lower connecting steel plate (1); an upper sealing layer steel plate (14) is provided below the upper connecting steel plate (2), and the upper sealing layer steel plate (14) is in contact with the upper connecting steel plate (2); fixing bolts (7) are provided on both the lower connecting steel plate (1) and the upper connecting steel plate (2), and the fixing bolts (7) are threadedly connected to the lower sealing layer steel plate (13) and the upper sealing layer steel plate (14); An isolation body (9) is arranged between the lower sealing steel plate (13) and the upper sealing steel plate (14), and the two ends of the isolation body (9) are respectively connected to the lower sealing steel plate (13) and the upper sealing steel plate (14) as a whole, the isolation body (9) includes a rubber protective sleeve (16), a stiffening steel plate (17) and an internal rubber sheet (18), at least six stiffening steel plates (17) and internal rubber sheets (18) are provided, and the stiffening steel plates (17) and internal rubber sheets (18) are both arranged inside the rubber protective sleeve (16), and the stiffening steel plates (17) and internal rubber sheets (18) are cross-stacked; A limit plate (8) is arranged outside the seismic isolation body (9), four limit plates (8) are provided, and the four limit plates (8) are equidistantly arranged outside the seismic isolation body (9), the limit plate (8) is arranged above the lower connecting steel plate (1), and the cross section of the limit plate (8) is arranged in a trapezoidal shape, a mounting frame (10) is provided between the four limit plates (8), four mounting frames (10) are provided, and the mounting frames (10) are fixedly connected to the limit plates (8), the four mounting frames (10) are provided on one side of the four corners of the seismic isolation body (9), and a pressure sensor (23) is provided on the inner side of the four mounting frames (10), and the pressure sensor (23) ) are provided with two, and the pressure sensor (23) is fixedly connected to the mounting frame (10), a roller assembly (22) is provided on one side of the pressure sensor (23), and the roller assembly (22) is fitted with the seismic isolation body (9), a spring rod (24) is provided between the roller assembly (22) and the pressure sensor (23), and the two ends of the spring rod (24) are elastically connected to the roller assembly (22) and the pressure sensor (23) respectively, a data transmitter (11) is provided on one side of the limit plate (8), and the data transmitter (11) is fixedly connected to the limit plate (8), and the data transmitter (11) is electrically connected to the pressure sensor (23).

2. The seismic isolation device with a limiting function according to claim 1, characterized in that: The stiffening steel plate (17) and the inner rubber sheet (18) are both provided with reserved holes (19), and there are four reserved holes (19). The four reserved holes (19) are respectively arranged at equal distances on the stiffening steel plate (17) and the inner rubber sheet (18). The reserved holes (19) on the stiffening steel plate (17) and the inner rubber sheet (18) are arranged correspondingly. A lead core (15) is arranged inside the reserved hole (19), and the lead core (15) is arranged to be connected with the stiffening steel plate (17) and the inner rubber sheet (18). The lead core (15) is connected to the lower sealing steel plate (13), the upper sealing steel plate (14), the stiffening steel plate (17) and the inner rubber sheet (18) as a whole.

3. The seismic isolation device with a limiting function according to claim 2, characterized in that: The upper and lower ends of the stiffening steel plate (17) are both provided with raised blocks (20), and the raised blocks (20) are equidistantly arranged around the reserved holes (19) on the stiffening steel plate (17), and the raised blocks (20) are integrated with the stiffening steel plate (17), the upper and lower ends of the internal rubber sheet (18) are both provided with grooves (21), and the grooves (21) are equidistantly arranged around the reserved holes (19) on the internal rubber sheet (18), the raised blocks (20) and the grooves (21) are correspondingly arranged, and the cross-sections of the raised blocks (20) and the grooves (21) are both arc-shaped, and the outside of the rubber protective sleeve (16) is provided with a fireproof sleeve (6), and the fireproof sleeve (6) and the rubber protective sleeve (16) are connected as a whole.

4. The seismic isolation device with a limiting function according to claim 3, characterized in that: The upper end of the lower connecting steel plate (1) is provided with a mounting hole (25), and there are four mounting holes (25), and the four mounting holes (25) are equidistantly arranged outside the lower sealing layer steel plate (13), and the inside of the four mounting holes (25) is provided with a threaded hole (26), and the bottom of the four limiting plates (8) is provided with a connecting block (27), and the connecting block (27) is fixedly connected to the limiting plate (8), and the connecting block (27) is corresponding to the mounting hole (25), and a positioning hole (28) is provided on the connecting block (27), and the positioning hole (28) is corresponding to the threaded hole (26), and a locking bolt (12) is provided on the outside of the lower connecting steel plate (1), and the locking bolt (12) is corresponding to the positioning hole (28) and the threaded hole (26).

5. The seismic isolation device with a limiting function according to claim 4, characterized in that: One side of each of the four limiting plates (8) is provided with a reinforcing rib (29), and the reinforcing rib (29) is fixedly connected to the limiting plate (8), and the cross section of the reinforcing rib (29) is triangular.

6. The seismic isolation device with a limiting function according to claim 5, characterized in that: The lower end of the lower connecting steel plate (1) and the upper end of the upper connecting steel plate (2) are both provided with positioning protrusions (3), and the positioning protrusions (3) are provided as a whole with the lower connecting steel plate (1) and the upper connecting steel plate (2). The four corners of the lower connecting steel plate (1) are provided with lower connecting bolt assemblies (5), four of which are provided, and the lower connecting bolt assemblies (5) are connected as a whole with the lower connecting steel plate (1). The four corners of the upper connecting steel plate (2) are provided with upper connecting bolt assemblies (4), four of which are provided, and the upper connecting bolt assemblies (4) are connected as a whole with the upper connecting steel plate (2).

7. A method for using a seismic isolation device with a limiting function according to claim 6, characterized in that: The following steps are involved: Step 1: Assemble the seismic isolation device and install the assembled seismic isolation device using the upper connecting bolt assembly (4) and the lower connecting bolt assembly (5); Step 2: Insert the connecting block (27) into the mounting hole (25) and secure it with the locking bolt (12), and install the limiting plate (8) around the isolation body (9); Step 3: When the seismic isolation device is working, the seismic isolation body (9) becomes skewed, and the skewed seismic isolation body (9) contacts the limiting plate (8). The limiting plate (8) limits the seismic isolation body (9) to prevent the seismic isolation body (9) from being excessively skewed and causing damage to the seismic isolation device; Step 4: The roller assembly (22) contacts the seismic isolation body (9), and when the seismic isolation body (9) is tilted, the spring rod (24) is squeezed, and the squeezing force is measured with the help of the pressure sensor (23); Step 5: There are multiple sets of pressure measuring mechanisms, and the measured pressure data are uploaded to the terminal with the help of a data transmitter (11), so as to facilitate the measurement of the skewness of the isolation body (9) based on the pressure measuring mechanism and indirectly monitor the working performance of the isolation device.

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