CN113309230A

CN113309230A - Shock-absorbing engineering is with can two-way roll pendulum isolation bearing

Info

Publication number: CN113309230A
Application number: CN202110682605.3A
Authority: CN
Inventors: 苏晓绿; 王冬婷; 卢海
Original assignee: Kening Engineering Science And Technology Nanjing Co ltd
Current assignee: Kening Engineering Science And Technology Nanjing Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-08-27
Anticipated expiration: 2041-06-18
Also published as: CN113309230B

Abstract

The invention relates to the technical field of damping engineering and discloses a bidirectional rolling pendulum vibration isolation support for damping engineering. Through setting up damper, spacing spring, spacing groove and stopper, utilize comprehensively that level, vertical, rotation subtract shock insulation mode furthest's improvement shock attenuation effect. Through setting up pivot, connecting rod one and connecting rod two, improve isolation bearing's application scope greatly, improve the protection effect. Through setting up spacing groove, stopper and roller bearing, can restrict the biggest corner displacement and have resistance to plucking from the ability, improve the security and the stability of structure, greatly reduced fall roof beam, support and break away from risks such as, use through the cooperation of spacing groove, stopper simultaneously, have good shake back from restoring to the throne characteristic.

Description

Shock-absorbing engineering is with can two-way roll pendulum isolation bearing

Technical Field

The invention relates to the technical field of damping engineering, in particular to a bidirectional rolling pendulum vibration isolation support for damping engineering.

Background

The earthquake belongs to a multiple natural disaster, because China is in two earthquake-prone zones of the Pacific zone and the Asia-European zone, the earthquake becomes the primary natural disaster threatening the safety of lives and properties of people, and in order to better guarantee the safety of lives and properties of people and weaken the damage of the earthquake to the structure, engineering personnel introduce a seismic isolation and reduction device into a building structure. In civil engineering structure, subtract isolation bearing can block the propagation of vibrations energy, consume the energy that vibrations released effectively to obviously reduce vibrations and bring the harm to the structure, to date, subtract isolation bearing that has applied to in the actual engineering has: lead rubber vibration isolation support, friction pendulum support, liquid damping support and the like.

However, the existing rubber shock-insulation support is greatly influenced by temperature, is not suitable for use under high-temperature conditions, and is difficult to meet the requirement on the durability of buildings; and the friction surface of the friction type shock insulation support needs special treatment in the process, and the long-term stability and the fatigue stability of the friction surface of the shock insulation support are poor and are not easy to design and control. The liquid damping support has a good damping effect, but because the existing building needs to be used for decades, the liquid sealing effect is difficult to be ensured, and the existing damping support cannot freely adjust damping according to the vibration size, so that the application range is lower, namely, the protection range is lower.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a bidirectional rolling pendulum vibration isolation support for vibration absorption engineering, which has the advantages of good rolling friction fatigue, comprehensive utilization of horizontal, vertical and rotary vibration absorption and isolation modes to improve the vibration absorption effect, free adjustment of vibration absorption and damping according to the vibration magnitude, automatic reset after vibration and the like, and solves the problems of poor friction surface fatigue performance, poor vibration absorption effect, incapability of adjusting the vibration absorption and incapability of automatic reset after vibration.

In order to realize the purposes of good rolling friction fatigue, improving the shock absorption effect by comprehensively utilizing horizontal, vertical and rotary shock absorption and isolation modes, freely adjusting shock absorption and damping according to the shock magnitude and automatically resetting after shock, the invention provides the following technical scheme: the utility model provides a but shock attenuation engineering is with two-way roll pendulum isolation bearing, includes the curb plate, the spacing groove has been seted up to the inboard of curb plate, the inside of curb plate both sides is provided with damper, the inside of curb plate has cup jointed places board one, the one end welding that is close to the curb plate of placing board one has the stopper, the one end of placing board one and keeping away from the curb plate has seted up the draw-in groove, the inside of curb plate has cup jointed places board two, the one end welding that places board two is close to the draw-in groove has the fixture block, the left and right sides welding of fixture block has spacing spring, the outside roll connection who places board one has the roller bearing.

Preferably, the damping mechanisms are provided with two groups, the internal structures and the specifications of the damping mechanisms are the same, and the two groups of damping mechanisms are respectively arranged at the left end and the right end inside the side plate; the damping mechanism comprises a device shell, a buffer spring is welded inside the device shell, a first pressing plate is welded at one end, far away from the inner wall of the device shell, of the buffer spring, and the size inside the device shell is matched with the size and the movement stroke of the first pressing plate.

Preferably, a first sliding sleeve is welded at one end, far away from the buffer spring, of the first pressing plate, a second sliding sleeve is sleeved inside the first sliding sleeve, and a second pressing plate is welded at one end, far away from the first sliding sleeve, of the second sliding sleeve; the first sliding sleeve and the second sliding sleeve are matched in shape and size.

Preferably, the number of the side plates is two, the side plates are distributed in mirror image positions, the number of the device shells is two, the two device shells correspond to the upper side plate and the lower side plate respectively, and the upper device shell and the lower device shell are welded on the inner sides of the upper side plate and the lower side plate respectively; the two side plates are connected through two groups of damping mechanisms.

Preferably, the number of the buffer springs is two, the first pressing plate and the second pressing plate are connected with the inner wall of the device shell through the two buffer springs respectively, the bottom of the first pressing plate is hinged with the first connecting rod, the top of the second pressing plate is hinged with the second connecting rod, the rotating shaft is in a double-cam shape, the left end and the right end of the rotating shaft are hinged with the first connecting rod and the second connecting rod respectively, and the rotating shaft is hinged with the first pressing plate and the second pressing plate through the first connecting rod and the second connecting rod.

Preferably, the limiting grooves are provided with two groups, each group comprises four limiting grooves with the same specification, the two groups of limiting grooves correspond to the upper side plate and the lower side plate respectively, and the limiting grooves in the same group are uniformly arranged on the inner sides of the side plates.

Preferably, the placing plate is sleeved inside the side plate, two groups of limiting blocks are arranged, each group comprises four limiting blocks with the same specification, the two groups of limiting blocks respectively correspond to the first placing plate and the second placing plate and are uniformly welded on the outer sides of the first placing plate and the second placing plate; the limiting block is matched with the limiting groove in shape.

Preferably, the clamping grooves are three, the three clamping grooves are respectively and uniformly formed in the bottom of the first placing plate, the three clamping blocks are respectively and uniformly welded to the top of the second placing plate, and the shapes of the clamping grooves are matched with those of the clamping blocks.

Preferably, the limiting springs are provided with three groups, each group comprises two limiting springs with the same specification, the three groups of limiting springs respectively correspond to the three clamping blocks, one ends of the two limiting springs in the same group are respectively welded on the left side and the right side of each clamping block, and the other ends of the two limiting springs in the same group are respectively welded on the left side and the right side inside each clamping groove; the roller sets up two sets ofly, and every group contains five roller bearings of the same specification, place board one and place board two and pass through two sets of roller bearing roll connection between the two curb plates from top to bottom.

Compared with the prior art, the invention provides a bidirectional rolling pendulum seismic isolation support for damping engineering, which has the following beneficial effects:

1. this shock attenuation engineering is with can two-way roll pendulum isolation bearing through setting up the curb plate, placing board one, placing board two and roller bearing, when vibrations go on, the cooperation of roller bearing and curb plate can be converted the motion form of isolation bearing into the roll mode by the friction mode, has solved the not good problem of friction surface fatigue performance.

2. This shock attenuation engineering is with can two-way roll pendulum isolation bearing, through setting up damper, spacing spring, spacing groove and stopper, when vibrations go on, through buffer spring and sliding sleeve one, the cooperation of sliding sleeve two is used, can absorb and come from fore-and-aft vibration effect, through the draw-in groove, the cooperation of fixture block and spacing spring is used, can absorb and come from horizontal vibration effect, through the spacing groove, the cooperation of stopper is used, can absorb and come from pivoted vibration effect, comprehensive utilization level, it is vertical, rotate and subtract the biggest improvement shock attenuation effect of isolation mode.

3. This shock attenuation engineering is with but two-way roll pendulum isolation bearing through setting up pivot, connecting rod one and connecting rod two, can be according to the vibration size, realizes adjusting two upper and lower buffer spring's damping size through rotating the pivot, can be applied to various types, bridge, house and other civil engineering structures of scale, improves isolation bearing's application scope greatly, improves the protection effect.

4. This shock attenuation engineering is with can two-way roll pendulum isolation bearing through setting up spacing groove, stopper and roller bearing, can restrict the biggest corner displacement and have resistance to plucking from the ability, improves the security and the stability of structure, greatly reduced fall roof beam, support and break away from the isorisk, use through the cooperation of spacing groove, stopper simultaneously, have good shake back from restoring to the throne characteristic.

Drawings

FIG. 1 is a schematic view showing the connection of the structures of the present invention;

FIG. 2 is a schematic view showing the connection of the structures of the damping mechanism according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at C of FIG. 1 according to the present invention.

In the figure: 1. a side plate; 2. a limiting groove; 3. a damping mechanism; 4. placing the first plate; 5. a limiting block; 6. a card slot; 7. placing a second plate; 8. a clamping block; 9. a limiting spring; 10. a roller; 31. a device housing; 32. a buffer spring; 33. pressing a first plate; 34. a first sliding sleeve; 35. a second sliding sleeve; 36. pressing a second plate; 37. a rotating shaft; 38. a first connecting rod; 39. and a second connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a bi-directional rolling pendulum vibration isolation support for vibration damping engineering includes a side plate 1, and is characterized in that: spacing groove 2 has been seted up to curb plate 1's inboard, the inside at 1 both sides of curb plate is provided with damper 3, curb plate 1's inside has been cup jointed and has been placed board 4, the one end welding that is close to curb plate 1 of placing board 4 has stopper 5, place board 4 and keep away from curb plate 1's one end and have been seted up draw-in groove 6, curb plate 1's inside has been cup jointed and has been placed board two 7, the one end welding that is close to draw-in groove 6 of placing board two 7 has fixture block 8, the welding of the left and right sides of fixture block 8 has spacing spring 9, the outside roll connection who places board 4 has roller bearing 10.

The two groups of damping mechanisms 3 are arranged, the internal structures and the specifications of the two groups of damping mechanisms are the same, and the two groups of damping mechanisms 3 are respectively arranged at the left end and the right end inside the side plate 1; the damping mechanism 3 comprises a device shell 31, a buffer spring 32 is welded inside the device shell 31, a first pressing plate 33 is welded at one end, away from the inner wall of the device shell 31, of the buffer spring 32, and the size inside the device shell 31 is matched with the size and the movement stroke of the first pressing plate 33; a first sliding sleeve 34 is welded at one end, away from the buffer spring 32, of the first pressing plate 33, a second sliding sleeve 35 is sleeved inside the first sliding sleeve 34, and a second pressing plate 36 is welded at one end, away from the first sliding sleeve 34, of the second sliding sleeve 35; the first sliding sleeve 34 is matched with the second sliding sleeve 35 in shape and size; the two side plates 1 are distributed in mirror image positions, the two device shells 31 are respectively corresponding to the upper side plate 1 and the lower side plate 1, and the upper device shell 31 and the lower device shell 31 are respectively welded on the inner sides of the upper side plate 1 and the lower side plate 1; the two side plates 1 are connected through two groups of damping mechanisms 3; two buffer springs 32 are arranged, the first pressure plate 33 and the second pressure plate 36 are respectively connected with the inner wall of the device shell 31 through the two buffer springs 32, the bottom of the first pressure plate 33 is hinged with a first connecting rod 38, the top of the second pressure plate 36 is hinged with a second connecting rod 39, the rotating shaft 37 is in a double-cam shape, and the left end and the right end of the rotating shaft 37 are respectively hinged with the first connecting rod 38 and the second connecting rod 39, namely the rotating shaft 37 is hinged with the first pressure plate 33 and the second pressure plate 36 through the first connecting rod 38 and the second connecting rod 39; two groups of limiting grooves 2 are arranged, each group comprises four limiting grooves 2 with the same specification, the two groups of limiting grooves 2 respectively correspond to the upper side plate 1 and the lower side plate 1, and the limiting grooves 2 of the same group are uniformly arranged on the inner sides of the side plates 1; the placing plate I4 is sleeved inside the side plate 1, two groups of limiting blocks 5 are arranged, each group comprises four limiting blocks 5 with the same specification, the two groups of limiting blocks 5 correspond to the placing plate I4 and the placing plate II 7 respectively, and the two groups of limiting blocks are uniformly welded on the outer sides of the placing plate I4 and the placing plate II 7; the limiting block 5 is matched with the limiting groove 2 in shape; three clamping grooves 6 are formed, the three clamping grooves 6 are respectively and uniformly formed in the bottom of the first placing plate 4, three clamping blocks 8 are arranged, the three clamping blocks 8 are respectively and uniformly welded to the top of the second placing plate 7, and the shapes of the clamping grooves 6 are matched with the shapes of the clamping blocks 8; the limiting springs 9 are provided with three groups, each group comprises two limiting springs 9 with the same specification, the three groups of limiting springs 9 respectively correspond to the three fixture blocks 8, one ends of the two limiting springs 9 in the same group are respectively welded on the left side and the right side of the fixture blocks 8, and the other ends of the two limiting springs 9 in the same group are respectively welded on the left side and the right side inside the fixture grooves 6; the rollers 10 are arranged in two groups, each group comprises five rollers 10 with the same specification, and the placing plate I4 and the placing plate II 7 are connected with the upper side plate 1 and the lower side plate 1 in a rolling mode through the two groups of rollers 10.

When the earthquake-proof and earthquake-proof building is in work, firstly, the building structure is connected with the first placing plate 4 and the second placing plate 7 through high-strength bolts respectively, and earthquake waves comprise transverse waves and longitudinal waves, wherein the transverse waves are also called 'concave-convex waves', so that the structure can move up and down; the longitudinal waves enable the structure to move left and right, the transverse waves and the longitudinal waves are combined to cause a twisting effect, damage to the structure caused by an earthquake can be reduced to a great extent as long as the left and right movement, the up and down movement and the twisting action of the structure are limited, when the shock absorption mechanism 3 is used, two groups of shock absorption mechanisms 3 are arranged, the internal structures and specifications are the same, and the two groups of shock absorption mechanisms 3 are respectively arranged at the left end and the right end inside the side plate 1; the damping mechanism 3 comprises a device shell 31, a buffer spring 32 is welded inside the device shell 31, a first pressing plate 33 is welded at one end, away from the inner wall of the device shell 31, of the buffer spring 32, the size inside the device shell 31 is matched with the size and the movement stroke of the first pressing plate 33, a first sliding sleeve 34 is welded at one end, away from the buffer spring 32, of the first pressing plate 33, a second sliding sleeve 35 is sleeved inside the first sliding sleeve 34, and a second pressing plate 36 is welded at one end, away from the first sliding sleeve 34, of the second sliding sleeve 35; the first sliding sleeve 34 is matched with the second sliding sleeve 35 in shape and size; the two side plates 1 are distributed in mirror image positions, the two device shells 31 are respectively corresponding to the upper side plate 1 and the lower side plate 1, and the upper device shell 31 and the lower device shell 31 are respectively welded on the inner sides of the upper side plate 1 and the lower side plate 1; the two side plates 1 are connected by two sets of damping mechanisms 3.

In conclusion, the longitudinal vibration effect can be absorbed through the action of the buffer spring 32, because three clamping grooves 6 are arranged, the three clamping grooves 6 are respectively and uniformly formed in the bottom of the placing plate I4, three clamping blocks 8 are arranged, the three clamping blocks 8 are respectively and uniformly welded on the top of the placing plate II 7, and the shapes of the clamping grooves 6 and the clamping blocks 8 are mutually matched; the limiting springs 9 are provided with three groups, each group comprises two limiting springs 9 with the same specification, the three groups of limiting springs 9 respectively correspond to the three fixture blocks 8, one ends of the two limiting springs 9 in the same group are respectively welded on the left side and the right side of the fixture blocks 8, and the other ends of the two limiting springs 9 in the same group are respectively welded on the left side and the right side inside the fixture grooves 6; the fixture blocks 8 and the limiting springs 9 are matched for use, so that the transverse vibration effect can be absorbed, two groups of rolling shafts 10 are arranged, each group comprises five rolling shafts 10 with the same specification, the placing plate I4 and the placing plate II 7 are in rolling connection with the upper side plate 1 and the lower side plate 1 through the two groups of rolling shafts 10, the vibration effect from steering can be absorbed, and the problem of poor fatigue performance of a friction surface is solved; when the damping is required to be adjusted, because two buffer springs 32 are arranged, the first pressing plate 33 and the second pressing plate 36 are connected with the inner wall of the device shell 31 through the two buffer springs 32 respectively, the bottom of the first pressing plate 33 is hinged with a first connecting rod 38, the top of the second pressing plate 36 is hinged with a second connecting rod 39, the rotating shaft 37 is in a double-cam shape, and the left end and the right end of the rotating shaft 37 are hinged with the first connecting rod 38 and the second connecting rod 39 respectively, namely the rotating shaft 37 is hinged with the first pressing plate 33 and the second pressing plate 36 through the first connecting rod 38 and the second connecting rod 39, at the moment, the elastic coefficient of the buffer springs 32 can be adjusted only by rotating the rotating shaft 37, so that the damping effect is adjusted; two sets of limiting grooves 2 are arranged, each set comprises four limiting grooves 2 with the same specification, the two sets of limiting grooves 2 respectively correspond to the upper side plate 1 and the lower side plate 1, and the limiting grooves 2 of the same set are uniformly formed in the inner sides of the side plates 1; the placing plate I4 is sleeved inside the side plate 1, two groups of limiting blocks 5 are arranged, each group comprises four limiting blocks 5 with the same specification, the two groups of limiting blocks 5 correspond to the placing plate I4 and the placing plate II 7 respectively, and the two groups of limiting blocks are uniformly welded on the outer sides of the placing plate I4 and the placing plate II 7; the limiting block 5 is matched with the limiting groove 2 in shape, and has good self-resetting characteristic after the earthquake through the matching use of the limiting groove 2 and the limiting block 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a but shock attenuation engineering is with two-way roll pendulum isolation bearing, includes curb plate (1), its characterized in that: spacing groove (2) have been seted up to the inboard of curb plate (1), the inside of curb plate (1) both sides is provided with damper (3), the inside of curb plate (1) has been cup jointed and has been placed board (4), the one end welding that is close to curb plate (1) of placing board (4) has stopper (5), the one end of placing board (4) and keeping away from curb plate (1) has been seted up draw-in groove (6), the inside of curb plate (1) has been cup jointed and has been placed board two (7), the one end welding that is close to draw-in groove (6) of placing board two (7) has fixture block (8), the welding of the left and right sides of fixture block (8) has spacing spring (9), the outside roll connection who places board (4) has roller bearing (10).

2. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the damping mechanisms (3) are arranged in two groups, the internal structures and the specifications of the damping mechanisms are the same, and the two groups of damping mechanisms (3) are respectively arranged at the left end and the right end inside the side plate (1); damper (3) are including device shell (31), the inside welding of device shell (31) has buffer spring (32), the one end welding that device shell (31) inner wall was kept away from in buffer spring (32) has clamp plate (33), the size and the motion stroke adaptation of the inside size of device shell (31) and clamp plate (33).

3. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: one end, far away from the buffer spring (32), of the first pressing plate (33) is welded with a first sliding sleeve (34), a second sliding sleeve (35) is sleeved inside the first sliding sleeve (34), and one end, far away from the first sliding sleeve (34), of the second sliding sleeve (35) is welded with a second pressing plate (36); the first sliding sleeve (34) is matched with the second sliding sleeve (35) in shape and size.

4. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the two side plates (1) are distributed in mirror image positions, the two device shells (31) are respectively corresponding to the upper side plate (1) and the lower side plate (1), and the upper device shell (31) and the lower device shell (31) are respectively welded on the inner sides of the upper side plate (1) and the lower side plate (1); the two side plates (1) are connected through two groups of damping mechanisms (3).

5. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: buffer spring (32) are provided with two, be connected through two buffer spring (32) respectively between clamp plate (33) and clamp plate two (36) and device shell (31) inner wall, the bottom of clamp plate (33) articulates there is connecting rod one (38), the top of clamp plate two (36) articulates there is connecting rod two (39), the shape of pivot (37) is two cam shapes, and both ends are articulated with connecting rod one (38) and connecting rod two (39) respectively about pivot (37), and pivot (37) are articulated through connecting rod one (38) and connecting rod two (39) between clamp plate one (33) and clamp plate two (36) promptly.

6. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the limiting grooves (2) are provided with two groups, each group comprises four limiting grooves (2) with the same specification, the limiting grooves (2) are corresponding to the upper side plate and the lower side plate (1), and the limiting grooves (2) are uniformly arranged on the inner sides of the side plates (1).

7. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the placing plate I (4) is sleeved inside the side plate (1), two groups of limiting blocks (5) are arranged, each group comprises four limiting blocks (5) with the same specification, the two groups of limiting blocks (5) correspond to the placing plate I (4) and the placing plate II (7) respectively, and the two groups of limiting blocks are uniformly welded on the outer sides of the placing plate I (4) and the placing plate II (7); the limiting block (5) is matched with the limiting groove (2) in shape.

8. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the clamping grooves (6) are three, the clamping grooves (6) are evenly formed in the bottom of the first placing plate (4) respectively, the clamping blocks (8) are three, the clamping blocks (8) are evenly welded to the top of the second placing plate (7) respectively, and the clamping grooves (6) are matched with the clamping blocks (8) in shape.

9. The bi-directional rolling pendulum seismic isolation bearing for the shock absorption engineering as claimed in claim 1, wherein: the limiting springs (9) are provided with three groups, each group comprises two limiting springs (9) with the same specification, the three groups of limiting springs (9) correspond to the three clamping blocks (8) respectively, one ends of the two limiting springs (9) in the same group are welded on the left side and the right side of the clamping blocks (8) respectively, and the other ends of the two limiting springs are welded on the left side and the right side inside the clamping grooves (6) respectively; the rolling shafts (10) are arranged in two groups, each group comprises five rolling shafts (10) with the same specification, and the placing plate I (4), the placing plate II (7) and the upper side plate and the lower side plate (1) are in rolling connection through the two groups of rolling shafts (10).