CN215253622U

CN215253622U - Vibration isolation device for building

Info

Publication number: CN215253622U
Application number: CN202120938002.0U
Authority: CN
Inventors: 冯永彬
Original assignee: China Coal Huachen Construction And Installation Engineering Co Ltd
Current assignee: China Coal Huachen Construction And Installation Engineering Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-21
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the technical field of vibration isolation, in particular to a vibration isolation device for buildings, which comprises a top plate and a bottom plate, wherein a rotary vibration isolation mechanism and an upper and lower vibration isolation mechanism are arranged between the top plate and the bottom plate, the rotary vibration isolation mechanism comprises a rotary barrel, the rotary barrel is connected with the top plate, the rotary barrel is connected with a slide plate in a sliding way, the slide plate is connected with a positive magnetic plate and a support rod, the inner top wall of the rotary barrel is provided with a negative magnetic plate, the support rod is sleeved with a compression spring, two ends of the compression spring are respectively connected with the inner bottom wall of the rotary barrel and the slide plate, the upper and lower vibration isolation mechanisms comprise a connecting block, the bottom end of the support rod penetrates through the bottom end of the rotary barrel and is connected with the connecting block, the connecting block is rotatably connected with a plurality of slide rods, a disc is fixedly connected with the bottom plate, an auxiliary supporting mechanism is connected between the disc and the top plate, a plurality of torsion springs are connected between the top plate and the bottom plate, which is convenient for isolating vibration of longitudinal waves, and be convenient for carry out the vibration isolation to the transverse wave, the vibration isolation effect is better, uses the reliability higher.

Description

Vibration isolation device for building

Technical Field

The utility model relates to a vibration isolation technical field specifically is a building vibration isolation device.

Background

As is known to all, an earthquake is a natural phenomenon which cannot be avoided by human society, and casualties and economic losses caused by the earthquake extend to more from the collapse of buildings, so that the earthquake isolation device is especially important for improving the earthquake fortification level of building engineering and improving the earthquake resistance of the building engineering.

Through the retrieval, chinese patent is CN 109898909A's utility model patent discloses a building vibration isolation mounting, and it roughly includes a pair of bottom plate, and the shock absorber seat of having arranged in the array between the bottom plate, and the top of bottom plate has placed outer sealing ring, and outer sealing ring includes the piece of laminating of installing with the top bonding of bottom plate, and when the building took place slight vibrations, the energy of vibrations will be absorbed by shock pad, supporting spring and elastic frame, reduces rocking of indoor article.

Among the above-mentioned prior art scheme, because the earthquake comes interim earlier the longitudinal wave at the transverse wave, the above-ground is vibrations about earlier, though it is convenient for carry out vertical vibration isolation, but it is not convenient for carry out the antidetonation to transversely, therefore its vibration isolation effect is relatively poor, takes place the danger that the building collapsed easily, uses the reliability lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a building vibration isolation device to the problem of carrying out the vibration isolation to the shear wave of being not convenient for that proposes in the solution background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a vibration isolation device for buildings comprises a top plate and a bottom plate, wherein a rotary vibration isolation mechanism and an upper and lower vibration isolation mechanism are arranged between the top plate and the bottom plate, the rotary vibration isolation mechanism comprises a rotary barrel, the rotary barrel is connected with a top plate, a sliding plate is connected on the rotary barrel in a sliding manner, a positive magnetic plate and a supporting rod are connected on the sliding plate, a negative magnetic plate is installed on the inner top wall of the rotary barrel, a compression spring is sleeved on the supporting rod, two ends of the compression spring are respectively connected with the sliding plate and the inner bottom wall of the rotary barrel, the upper and lower vibration isolation mechanism comprises a connecting block, the bottom end of the supporting rod penetrates through the bottom end of the rotary barrel and is connected with the connecting block, a plurality of sliding rods are rotatably connected onto the connecting block, a disc is fixedly connected onto the bottom plate, a plurality of sliding grooves are formed in the disc, the other ends of the sliding rods are in sliding fit with the sliding grooves through adjusting mechanisms, auxiliary supporting mechanisms are connected between the disc and the top plate, and a plurality of torsion springs are connected between the top plate and the bottom plate.

Preferably, the adjusting mechanism comprises a sliding block and two adjusting springs, the sliding block is in sliding fit in the sliding groove, the sliding rod is rotatably connected with the sliding block, the sliding groove is internally and fixedly connected with two fixed blocks, and two ends of the two adjusting springs are respectively connected with the sliding block and the fixed blocks.

Further, supplementary supporting mechanism includes the ring, and the ring is connected with the roof, has seted up the annular groove on the ring, and the inside sliding connection of annular groove has a plurality of sliding balls, and the bottom of sliding ball is passed through bearing mechanism and is connected with the disc.

Still further, bearing mechanism includes the bearing bucket, and the bearing bucket is connected with the disc, and the inside sliding connection of setoff bucket has the limiting plate, is connected with the support column on the limiting plate, and the top of support column is run through the bearing bucket and is connected with the ball, is connected with the collar on the support column, and the cover is equipped with bearing spring on the support column, and bearing spring's both ends are connected with the top of collar and bearing bucket respectively.

On the basis of the scheme, the sliding rods are rotatably connected with the connecting block through rotating shafts.

On the basis of the scheme, a plurality of arc-shaped chamfers are arranged on the circular ring.

Still further as this scheme, the number of turns of bearing spring and torsion spring all is greater than compression spring's number of turns.

As a further scheme of the scheme, the compression spring, the torsion spring and the bearing spring are all made of carbon spring steel.

(III) advantageous effects

Compared with the prior art, the utility model provides a building vibration isolation device possesses following beneficial effect:

the vibration isolation device for the building is temporarily used when the earthquake occurs by arranging the matching of the connecting block, the disc and the plurality of sliding rods, the vertical force can be conveniently decomposed, the longitudinal vibration can be conveniently reduced, the structural stability of the building can be improved, and by arranging the rotary barrel, the sliding plate and the supporting rod, when the transverse wave comes, the bottom plate is fixed relative to the ground, the bottom plate and the rotary barrel rotate relatively, the relative rotation amplitude of the sliding plate and the top plate is small, the damage to the building caused by the twisting of the earthquake is conveniently relieved, the auxiliary supporting mechanism is convenient for supporting, the torsion of the transverse wave to the building is convenient to slow down and the building is convenient to return to the initial state by arranging a plurality of torsion springs, the practicability is higher, therefore, the vibration isolation device for the building not only is convenient for isolating the longitudinal waves, but also is convenient for isolating the transverse waves, and has better vibration isolation effect and higher use reliability.

Drawings

FIG. 1 is a schematic view of the exploded perspective structure of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the overall three-dimensional structure of the present invention.

In the figure: 1. a top plate; 2. a base plate; 3. rotating the barrel; 4. a slide plate; 5. a positive magnetic plate; 6. a support bar; 7. a negative magnetic plate; 8. a compression spring; 9. connecting blocks; 10. a slide bar; 11. a disc; 12. a torsion spring; 13. a slider; 14. adjusting the spring; 15. a fixed block; 16. a circular ring; 17. an annular groove; 18. a sliding ball; 19. a support barrel; 20. a limiting plate; 21. a support pillar; 22. a mounting ring; 23. and a supporting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a vibration isolation device for a building comprises a top plate 1 and a bottom plate 2, wherein the bottom plate 2 and the top plate 1 are convenient for connecting a ground structure and a ground structure, a rotary vibration isolation mechanism and an upper and lower vibration isolation mechanism are arranged between the top plate 1 and the bottom plate 2, when a transverse wave of an earthquake comes, the rotary vibration isolation mechanism is convenient for rotary adjustment and reduces torsion damage to the building caused by the transverse wave of the earthquake, the rotary vibration isolation mechanism comprises a rotary barrel 3, the rotary barrel 3 is connected with the top plate 1, a sliding plate 4 is slidably connected on the rotary barrel 3, when the transverse wave comes, the bottom plate 2 is fixed relative to the ground, the bottom plate 2 and the rotary barrel 3 rotate relatively, the amplitude of the relative rotation of the sliding plate 4 and the top plate 1 is small, the damage to the building caused by the torsion of the earthquake is convenient to be reduced, a positive magnetic plate 5 and a support rod 6 are connected on the sliding plate 4, negative magnetic plate 7 is installed to rotatory bucket 3's interior roof, positive magnetic plate 5 and negative magnetic plate 7 repel each other, be convenient for slow down the damage that the longitudinal wave caused to the building, the cover is equipped with compression spring 8 on the bracing piece 6, compression spring 8's both ends are connected with slide 4 and rotatory bucket 3's interior bottom wall respectively, compression spring 8 is convenient for slow down the upper and lower vibration range of building, upper and lower vibration isolation mechanism includes connecting block 9, the bottom that rotatory bucket 3 was run through to bracing piece 6's bottom is connected with connecting block 9, it is connected with a plurality of slide bars 10 to rotate on the connecting block 9, a plurality of slide bars 10 all rotate with connecting block 9 through the pivot and are connected, be convenient for rotate and connect, fixedly connected with disc 11 on the bottom plate 2, a plurality of spouts have been seted up on disc 11, the other end of slide bar 10 passes through adjustment mechanism and spout sliding fit.

Further, the adjusting mechanism comprises a sliding block 13 and two adjusting springs 14, the sliding block 13 is in sliding fit in the sliding groove, the sliding rod 10 is rotatably connected with the sliding block 13, two fixing blocks 15 are fixedly connected in the sliding groove, two ends of the two adjusting springs 14 are respectively connected with the sliding block 13 and the fixing blocks 15, the sliding block 13 slides relatively in the sliding groove, the sliding rod 10 is convenient to adjust, longitudinal vibration is convenient to weaken, the sliding block 13 and the sliding rod 10 are convenient to be in a relatively stable state through the adjusting springs 14, an auxiliary supporting mechanism is connected between the disc 11 and the top plate 1, when earthquake comes, firstly, longitudinal propagation is fast, the building is firstly damaged by longitudinal waves, the building is firstly vibrated in the vertical direction, through the matching of the plurality of sliding rods 10, the connecting blocks 9 and the disc 11, the longitudinal vibration is convenient to be relieved, the structural stability of the building is improved, the auxiliary supporting mechanism comprises a circular ring 16, the ring 16 is connected with the top plate 1, a plurality of arc chamfers are arranged on the ring 16, an annular groove 17 is formed in the ring 16, a plurality of sliding balls 18 are slidably connected inside the annular groove 17, and the bottom ends of the sliding balls 18 are connected with the disc 11 through a bearing mechanism.

It should be further noted that when a longitudinal wave comes, the bottom plate 2 and the disc 11 rotate relative to the top plate 1, and the stability of the device is convenient to increase through the supporting function of the plurality of sliding balls 18 and the supporting mechanism, and the limiting function of the device is convenient to limit through the arrangement of the annular groove 17, the supporting mechanism comprises a supporting barrel 19, the supporting barrel 19 is connected with the disc 11, the inner part of the supporting barrel is connected with a limiting plate 20 in a sliding manner, a supporting column 21 is connected onto the limiting plate 20, the top end of the supporting column 21 penetrates through the supporting barrel 19 to be connected with the sliding balls 18, a mounting ring 22 is connected onto the supporting column 21, a supporting spring 23 is sleeved on the supporting column 21, two ends of the supporting spring 23 are respectively connected with the mounting ring 22 and the top end of the supporting barrel 19, the compression suitable for the rotary vibration isolation mechanism and the upper and lower vibration isolation mechanisms is convenient through the supporting column 21 and the supporting spring 23, the stability of the device is increased, the sliding height of the supporting column 21 is convenient to limit through the arrangement of the limiting plate 20, the stability of the device is increased, the number of turns of bearing spring 23 and torsion spring 12 all is greater than the number of turns of compression spring 8, and the reliability of use is higher, is connected with a plurality of torsion spring 12 between roof 1 and the bottom plate 2, is convenient for slow down the torsion of shear wave to the building and is convenient for make the building resume to initial condition, and the practicality is higher, and the material of compression spring 8, torsion spring 12 and bearing spring 23 is the carbon spring steel, and elasticity is strong, and the anti stress ability is strong.

In summary, the working principle and working process of the building vibration isolation device are that when an earthquake occurs, the building vibration isolation device is firstly installed at a position to be used, when the earthquake occurs, firstly, longitudinal propagation is fast, the building is firstly damaged by longitudinal waves, the building firstly vibrates in the vertical direction, longitudinal vibration is conveniently relieved through the matching of the plurality of sliding rods 10, the connecting blocks 9 and the circular discs 11, the structural stability of the building is improved, through the sliding matching of the rotary barrel 3, the sliding plate 4 and the supporting rods 6, the amplitude of longitudinal vibration is conveniently increased, the positive magnetic plate 5 and the negative magnetic plate 7 repel each other, the damage of the longitudinal waves to the building is conveniently relieved, the compression spring 8 is convenient for relieving the vertical vibration amplitude of the building, after the longitudinal waves pass, the transverse waves come, the bottom plate 2 is fixed relative to the ground, and the bottom plate 2 and the rotary barrel 3 rotate relatively, slide 4 and roof 1 relative rotation's range is less, be convenient for slow down the damage that seismic wriggling caused to the building, a plurality of torsion spring 12 are convenient for slow down the torsion of transverse wave to the building and are convenient for make the building resume to initial condition, at rotatory in-process, supporting role through a plurality of smooth balls 18 and supporting mechanism, be convenient for increase the stability of device, through setting up annular groove 17, be convenient for carry on spacingly to a plurality of smooth balls 18, through support column 21 and supporting spring 23, be convenient for be applicable to rotatory vibration isolation mechanism and upper and lower vibration isolation mechanism's compression, be convenient for highly carry on spacingly to support column 21 gliding through setting up limiting plate 20, increase the stability of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A building vibration isolation device comprises a top plate (1) and a bottom plate (2), and is characterized in that: a rotary vibration isolation mechanism and an upper and lower vibration isolation mechanism are arranged between the top plate (1) and the bottom plate (2), the rotary vibration isolation mechanism comprises a rotary barrel (3), the rotary barrel (3) is connected with the top plate (1), a sliding plate (4) is connected on the rotary barrel (3) in a sliding manner, a positive magnetic plate (5) and a supporting rod (6) are connected on the sliding plate (4), a negative magnetic plate (7) is installed on the inner top wall of the rotary barrel (3), a compression spring (8) is sleeved on the supporting rod (6), two ends of the compression spring (8) are respectively connected with the inner bottom walls of the sliding plate (4) and the rotary barrel (3), the upper and lower vibration isolation mechanism comprises a connecting block (9), the bottom end of the supporting rod (6) penetrates through the bottom end of the rotary barrel (3) and is connected with the connecting block (9), a plurality of sliding rods (10) are rotatably connected on the connecting block (9), and a disc (11) is fixedly connected on the bottom plate (2), a plurality of sliding grooves are formed in the disc (11), the other end of the sliding rod (10) is in sliding fit with the sliding grooves through an adjusting mechanism, an auxiliary supporting mechanism is connected between the disc (11) and the top plate (1), and a plurality of torsion springs (12) are connected between the top plate (1) and the bottom plate (2).

2. A building vibration isolation apparatus according to claim 1, wherein: the adjusting mechanism comprises a sliding block (13) and two adjusting springs (14), the sliding block (13) is in sliding fit in a sliding groove, the sliding rod (10) is rotatably connected with the sliding block (13), two fixing blocks (15) are fixedly connected in the sliding groove, and two ends of the two adjusting springs (14) are respectively connected with the sliding block (13) and the fixing blocks (15).

3. A building vibration isolation apparatus according to claim 2, wherein: the auxiliary supporting mechanism comprises a circular ring (16), the circular ring (16) is connected with the top plate (1), an annular groove (17) is formed in the circular ring (16), a plurality of sliding balls (18) are slidably connected inside the annular groove (17), and the bottom end of each sliding ball (18) is connected with the disc (11) through a supporting mechanism.

4. A building vibration isolation apparatus according to claim 3, wherein: bearing mechanism includes bearing bucket (19), and bearing bucket (19) are connected with disc (11), and the inside sliding connection of lining bucket has limiting plate (20), is connected with support column (21) on limiting plate (20), and bearing bucket (19) are run through on the top of support column (21) and are connected with smooth ball (18), is connected with collar (22) on support column (21), and the cover is equipped with bearing spring (23) on support column (21), and the both ends of bearing spring (23) are connected with the top of collar (22) and bearing bucket (19) respectively.

5. A building vibration isolation apparatus according to claim 4, wherein: the sliding rods (10) are rotatably connected with the connecting block (9) through rotating shafts.

6. A building vibration isolation apparatus according to claim 5, wherein: the circular ring (16) is provided with a plurality of arc chamfers.

7. A building vibration isolation apparatus according to claim 6, wherein: the number of turns of the supporting spring (23) and the number of turns of the torsion spring (12) are both larger than that of the compression spring (8).

8. A building vibration isolation apparatus according to claim 7, wherein: the compression spring (8), the torsion spring (12) and the bearing spring (23) are all made of carbon spring steel.