CN116624557A - Horizontal shock insulation device with adjustable rigidity - Google Patents
Horizontal shock insulation device with adjustable rigidity Download PDFInfo
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- CN116624557A CN116624557A CN202310662554.7A CN202310662554A CN116624557A CN 116624557 A CN116624557 A CN 116624557A CN 202310662554 A CN202310662554 A CN 202310662554A CN 116624557 A CN116624557 A CN 116624557A
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- 230000035939 shock Effects 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 claims description 28
- 238000005265 energy consumption Methods 0.000 claims description 23
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a horizontal shock insulation device with adjustable rigidity, which comprises: a bottom plate; the middle plate is horizontally arranged above the bottom plate and forms a first shock insulation layer with the bottom plate; the upper plate is horizontally arranged above the middle plate and forms a second shock insulation layer with the middle plate; the first group of sliding rails are symmetrically arranged on the left side and the right side of the first shock insulation layer, the upper end and the lower end of the first group of sliding rails are respectively connected with the middle plate and the bottom plate, the second group of sliding rails are symmetrically arranged on the front side and the rear side of the second shock insulation layer, and the upper end and the lower end of the second group of sliding rails are respectively fixedly connected with the upper plate and the middle plate; the spring fixing pieces are symmetrically arranged on the left side and the right side of the upper surface of the bottom plate, and the front side and the rear side of the upper surface of the middle plate are symmetrically provided with the two groups of spring fixing pieces; the spring connecting pieces are arranged, one spring connecting piece is fixed on the middle plate, the other spring connecting piece is fixed on the upper plate, and a supporting spring is connected between each spring connecting piece and each spring fixing piece.
Description
Technical Field
The invention relates to the technical field of mechanical shock insulation structures, in particular to a horizontal shock insulation device with adjustable rigidity.
Background
For important equipment or exhibition artwork such as cultural relics and the like, the damage such as overturning and impacting is easy to occur under the action of earthquake due to the fact that the acceleration or the speed is too high, and the loss is difficult to measure. Under the action of earthquake, the earthquake vibration is transmitted to the building through the soil body and then is transmitted to the article storage cabinet to be equipped or artwork, and even is directly transmitted to the equipment or artwork. If not properly protected, the article may be exposed to the risk of overturning damage. After the earthquake vibration is transmitted to the building, the main direction of the vibration is horizontal, so that the development of a vibration isolation device in the horizontal direction is necessary. At present, most of rigidity of the vibration isolation device is not adjustable, and the design of the horizontal vibration isolation device is required to adopt customized production, so that the cost is extremely high.
Disclosure of Invention
The invention aims to provide a horizontal shock insulation device with adjustable rigidity, so as to solve the problems in the background technology.
To achieve the above object, the present invention provides a horizontal seismic isolation apparatus with adjustable rigidity, comprising: the bottom plate is horizontally arranged; the middle plate is horizontally arranged above the bottom plate and forms a first shock insulation layer with the bottom plate; the upper plate is horizontally arranged above the middle plate and forms a second shock insulation layer with the middle plate; the sliding rails are provided with two groups, the first group of sliding rails are symmetrically arranged on the left side and the right side of the first shock insulation layer, the upper end and the lower end of the first group of sliding rails are respectively connected with the middle plate and the bottom plate, the second group of sliding rails are symmetrically arranged on the front side and the rear side of the second shock insulation layer, and the upper end and the lower end of the second group of sliding rails are respectively fixedly connected with the upper plate and the middle plate; two groups of spring fixing pieces are symmetrically arranged on the left side and the right side of the upper surface of the bottom plate, two groups of spring fixing pieces are symmetrically arranged on the front side and the rear side of the upper surface of the middle plate, and the number of each group of spring fixing pieces is two; the spring connecting pieces are arranged, one spring connecting piece is fixed on the middle plate, the other spring connecting piece is fixed on the upper plate, and a supporting spring is connected between each spring connecting piece and each spring fixing piece.
In a preferred embodiment, the sliding track comprises an upper track and a lower track, wherein the top of the lower track is provided with an arc chute along the length direction, the upper track is provided with an arc slider matched with the arc chute, the arc slider can move relatively along the arc chute, the upper track and the lower track of the first group of sliding tracks are fixedly connected with the middle plate and the bottom plate respectively, and the upper track and the lower track of the second group of sliding tracks are fixedly connected with the upper plate and the middle plate respectively.
In a preferred embodiment, the spring fixing piece comprises a fixing piece body, fixing bolts, a first fastening nut, a second fastening nut and a spring hanging hole, wherein the fixing piece body is of a frame structure, bolt holes are symmetrically formed in two sides of the fixing piece body, the fixing bolts are arranged in the bolt holes, the fixing bolts on two sides of the bolt hole on one side are respectively provided with the first fastening nut and the second fastening nut, the fixing bolts are provided with the first spring hanging hole, and the position of the first spring hanging hole can be changed by adjusting the fixing bolts.
In a preferred embodiment, the spring connector comprises two spring hangers arranged in a cross-shaped configuration, each spring hanger comprising a fixing block and a second spring hanger hole, wherein the fixing block of one spring hanger is fixed on the lower surface of the middle plate, and the fixing block of the other spring hanger is fixed on the lower surface of the upper plate and is respectively positioned at the centers of the middle plate and the upper plate.
In a preferred embodiment, two second spring hanging holes are formed in the bottom of each spring hanging piece, the second spring hanging holes and the fixed block are integrally formed or fixed on the fixed block, one end of the supporting spring is connected with the second spring hanging holes, and the other end of the supporting spring is connected with the first spring hanging holes.
In a preferred embodiment, the spring connector comprises a lower energy consumption slider and an upper energy consumption slider, the lower energy consumption slider comprises a first slider, sliding rods are fixed on two sides of the top of the first slider, a sliding groove is formed between the two sliding rods, a pair of first lug plates are arranged at the bottom of the first slider, a pin bolt is arranged in each first lug plate in a penetrating mode, the upper energy consumption slider comprises a second slider, the top of the second slider is fixedly connected with the lower surface of the middle plate or the upper plate respectively, sliding grooves matched with the sliding rods are formed in two sides of the second slider, and the two sliding rods are embedded in the sliding grooves on two sides respectively.
In a preferred embodiment, the device further comprises a stay bar, wherein the stay bar is arranged between two adjacent support springs positioned on the same side with an included angle being an acute angle, one end of the stay bar is connected with the lower energy consumption sliding block, and the other end of the stay bar is connected with the stay bar fixing piece.
In a preferred embodiment, the stay bar comprises a stay bar body, wherein a first stay bar lug plate and a second stay bar lug plate are respectively arranged at two ends of the stay bar body, a third stay bar lug plate is symmetrically arranged at two sides of one end of the stay bar body, which is positioned at the second stay bar lug plate, the lower energy consumption sliding block is connected with the second stay bar lug plate through the first lug plate and is fixed through a pin bolt, one end of the support spring is connected with the third stay bar lug plate, and the other end of the support spring is connected with the spring hanging hole.
In a preferred embodiment, the stay bar fixing member includes a stay bar fixing member fixing nut and a stay bar fixing member screw, the stay bar fixing member fixing nut is fixed on the bottom plate or the middle plate, and the first stay bar ear plate is disposed on the stay bar fixing member fixing nut and is fixedly connected through the fixing member screw, and the stay bar can perform circular motion around the center of the fixing member screw.
Compared with the prior art, the invention has the beneficial effects that: the invention combines the supporting spring, the spring fixing piece and the spring connecting piece to form a stressed main body, the stressed main body is formed by stacking two layers and is not mutually interfered, the two ends of the supporting spring are respectively fixed on the spring fixing piece and the spring connecting piece, and in actual use, the horizontal rigidity can be adjusted by adjusting the position of the spring fixing piece, so that the horizontal acceleration of the upper part of the vibration isolation device can be effectively reduced under the action of an earthquake, the rigidity of the horizontal vibration isolation device is adjustable within a certain range, and the horizontal vibration isolation device has good adaptability to articles with different qualities and can realize batch production.
Drawings
FIG. 1 is an elevation view of a horizontal seismic isolation apparatus according to an embodiment of the invention;
FIG. 2 is a schematic plan view of a first seismic isolation layer according to an embodiment of the invention;
FIG. 3 is a schematic plan view of a second seismic isolation layer according to an embodiment of the invention;
FIG. 4 is a schematic view of a sliding track according to an embodiment of the present invention;
FIG. 5 is a schematic view of a spring retainer according to an embodiment of the present invention;
FIG. 6 is a schematic view of a spring hanger according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating the operation of a shock isolation device according to an embodiment of the present invention;
FIG. 8 is a graph showing horizontal stiffness during operation of a shock isolation device according to an embodiment of the present invention;
FIG. 9 is an elevation view of a horizontal seismic isolation apparatus according to another embodiment of the invention;
FIG. 10 is a schematic plan view of a first seismic isolation layer according to another embodiment of the invention;
FIG. 11 is a schematic plan view of a second seismic isolation layer according to another embodiment of the invention;
FIG. 12A is a schematic front view of a lower energy dissipating slider according to another embodiment of the present invention;
FIG. 12B is a right side view of a lower energy dissipating slider according to another embodiment of the present invention;
FIG. 13 is a schematic view of an upper energy dissipating slider according to another embodiment of the present invention;
FIG. 14A is a schematic view of a stay bar according to another embodiment of the present invention;
FIG. 14B is a schematic top view of a stay bar according to another embodiment of the present invention;
FIG. 15 is a schematic view of a stay attachment member according to another embodiment of the present invention;
FIG. 16 is a schematic view illustrating the operation of a shock isolation device according to another embodiment of the present invention;
fig. 17 is a graph showing horizontal stiffness curves during operation of a shock isolation device according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. Embodiments of the present invention are intended to be within the scope of the present invention as defined by the appended claims.
Example 1
As shown in fig. 1 to 6, the rigidity-adjustable horizontal shock insulation apparatus of the preferred embodiment of the present invention comprises: the bottom plate 1, medium plate 2, upper plate 3, slip track 4, supporting spring 5, spring mounting 6 and spring coupling spare, bottom plate 1 level sets up, and medium plate 2 level sets up in the top of bottom plate 1 to constitute first shock insulation layer with the bottom plate. The upper plate 3 is horizontally arranged above the middle plate 2 and forms a second shock insulation layer with the middle plate 2, and the first shock insulation layer and the second shock insulation layer are stacked. The sliding rails 4 are provided with two groups, the first group of sliding rails 4 are symmetrically arranged on the left side and the right side of the first shock insulation layer, the upper end and the lower end of the first group of sliding rails 4 are respectively connected with the middle plate 2 and the bottom plate 1, the middle plate 2 and the bottom plate 1 can move relatively along the first group of sliding rails 4, the second group of sliding rails 4 are symmetrically arranged on the front side and the rear side of the second shock insulation layer, the upper end and the lower end of the second group of sliding rails 4 are respectively fixedly connected with the upper plate 3 and the middle plate 2, and the middle plate 2 and the upper plate 3 can move relatively along the second group of sliding rails 4. Two groups of spring fixing pieces 6 are symmetrically arranged on the left side and the right side of the upper surface of the bottom plate 1, two groups of spring fixing pieces 6 are symmetrically arranged on the front side and the rear side of the upper surface of the middle plate 2, the number of the spring fixing pieces 6 in each group is two, and the two spring fixing pieces 6 are parallel to the sliding track 4 and are arranged on the inner side of the sliding track 4 at intervals. The spring connector is provided with two, and one spring connector is fixed on medium plate 2, and another spring connector is fixed on upper plate 3, all is connected with supporting spring 5 between spring connector and each spring mounting 6. The supporting spring 5, the spring fixing piece 6 and the spring connecting piece are combined to form a stressed main body, and the stressed main body is formed by stacking two layers and is not interfered with each other in order to meet decoupling of motion in two horizontal directions.
Further, the bottom plate 1, the middle plate 2 and the upper plate 3 are all made of steel plates, the area of the middle plate 2 is smaller than that of the bottom plate 1, the area of the upper plate 3 is consistent with that of the bottom plate 1, and preferably, the middle plate 2 is of an octagonal structure, namely four bevel edges are symmetrically arranged at four corners of the bottom plate 1. The sliding track 4 comprises an upper track 41 and a lower track 42, wherein an arc-shaped sliding groove is formed in the top of the lower track 42 along the length direction, the upper track 41 is provided with an arc-shaped sliding block matched with the arc-shaped sliding groove, the arc-shaped sliding block can move relatively along the arc-shaped sliding groove, the upper track 41 and the lower track 42 of the first group of sliding tracks 4 are fixedly connected with the middle plate 2 and the bottom plate 1 respectively, and the upper track 41 and the lower track 42 of the second group of sliding tracks 4 are fixedly connected with the upper plate 3 and the middle plate 2 respectively.
Further, the spring fixing member 6 includes a fixing member body 61, a fixing bolt 62, a first fastening nut 63, a second fastening nut 64 and a spring hanging hole 65, the fixing member body 61 is of a frame structure, bolt holes are symmetrically formed in two sides of the fixing member body 61, the fixing bolt 62 is arranged in the bolt holes, the fixing bolt 62 on two sides of the bolt hole on one side is respectively provided with the first fastening nut 63 and the second fastening nut 64, the fixing bolt 62 is provided with the first spring hanging hole 65, and the position of the first spring hanging hole 65 can be changed by adjusting the fixing bolt 62.
In the present embodiment, the spring link includes two spring pendants 7 arranged in a cross-shaped configuration, each spring pendants 7 including a fixing block 71 and a second spring hanging hole 72, wherein the fixing block 71 of one spring pendants 7 is fixed on the lower surface of the middle plate 2, and the fixing block 71 of the other spring pendants 7 is fixed on the lower surface of the upper plate 3 and is located at the centers of the middle plate 2 and the upper plate 3, respectively.
Further, two second spring hanging holes 72 are formed in the bottom of each spring hanging piece 7, the second spring hanging holes 72 and the fixed block 71 are integrally formed or fixed on the fixed block 71, one end of the supporting spring 5 is connected with the second spring hanging holes 72, and the other end of the supporting spring is connected with the first spring hanging holes 65.
As shown in fig. 7, when the device is not activated, the tension of the four support springs 5 are balanced with each other. Once the device starts to move, horizontal resistance is generated between the supporting springs 5 and the middle plate 2 or the upper plate 3, and relative movement is generated between the bottom plate 1 and the middle plate 2 or between the middle plate 2 and the upper plate 3, so that the vibration isolation function can be realized.
When the upper part of the horizontal vibration isolation device with adjustable rigidity needs to be placed with articles with different masses or the movement period is regulated, the position of the first spring hanging hole 65 can be changed by adjusting the position of the fixing bolt 62 in the spring fixing piece 6, so that the purpose of adjusting the rigidity of the device is achieved.
It should be noted that, because the resistance formed by the spring utilized by the present device is not along the axial direction of the spring, the horizontal stiffness of the device may change during the movement, for example, fig. 8 is a horizontal stiffness curve during the operation of the shock insulation device.
Example 2
Unlike embodiment 1, the spring connector of this embodiment includes a lower energy dissipating slider 8 and an upper energy dissipating slider 9, as shown in fig. 9 to 15, and the two upper energy dissipating sliders 9 are fixed to the middle plate 2 and the upper plate 3, respectively, and are disposed perpendicular to each other. The lower energy consumption sliding block 8 comprises a first sliding block 81, sliding rods 82 are fixed on two sides of the top of the first sliding block 81, a sliding groove is formed between the two sliding rods 82, a pair of first lug plates 83 are arranged at the bottom of the first sliding block 81, and a pin 84 is arranged in the first lug plates 83 in a penetrating mode. The upper energy consumption slide block 9 comprises a second slide block 91, the top of the second slide block 91 is fixedly connected with the lower surface of the middle plate 2 or the upper plate 3 respectively, sliding grooves 92 matched with the sliding rods 82 are formed in two sides of the second slide block 91, the two sliding rods 82 are embedded in the sliding grooves 92 on two sides respectively, the sliding grooves 92 are arc grooves, the sliding rods 82 are arc convex parts matched with the sliding grooves 92, and the sliding friction between the sliding grooves or the energy consumption of damping materials can be increased.
Further, the device also comprises a stay bar 10, wherein the stay bar 10 is arranged between two adjacent support springs 5 positioned on the same side with an included angle being an acute angle, one end of the stay bar 10 is connected with the lower energy consumption sliding block 8, and the other end is connected with the stay bar fixing piece 11.
Further, the stay bar 10 includes a stay bar body 101, two ends of the stay bar body 101 are respectively provided with a first stay bar ear plate 102 and a second stay bar ear plate 103, two sides of one end of the stay bar body 101, which is located at the second stay bar ear plate 103, are symmetrically provided with a third stay bar ear plate 104, the lower energy dissipation slider 8 is connected with the second stay bar ear plate 103 through the first ear plate 83 and is fixed through a pin 84, one end of the support spring 5 is connected with the third stay bar ear plate 104, and the other end is connected with the spring hanging hole 65.
Further, the stay bar fixing member 11 includes a stay bar fixing member fixing nut 111 and a stay bar fixing member screw 112, the stay bar fixing member fixing nut 111 is fixed on the bottom plate 1 or the middle plate 2, the first stay bar ear plate 102 is disposed on the stay bar fixing member fixing nut 111 and is fixedly connected through the fixing member screw 112, and during the moving process, the stay bar 10 can perform a circular movement around the center of the fixing member screw 112.
As shown in fig. 16, when the device is not activated, the tension of the two support springs 5 is balanced with the compression of the stay 10. Once the device starts to move, horizontal resistance is generated between the supporting springs 5 and the supporting rods 10, and relative movement is generated between the bottom plate 1 and the middle plate 2 or between the middle plate 2 and the upper plate 3 of the device, so that the vibration isolation function can be realized. One end of the stay bar 10 moves circularly around the stay bar fixing piece 11, and the circular movement of one end of the stay bar 10 can be decoupled through the relative sliding of the lower energy consumption sliding block 8 and the upper energy consumption sliding block 9. In the motion process of the horizontal vibration isolation device with adjustable rigidity, the lower energy consumption sliding block 8 and the upper energy consumption sliding block 9 between the bottom plate 1 and the middle plate 2 and the lower energy consumption sliding block 8 and the upper energy consumption sliding block 9 between the middle plate 2 and the upper plate 3 are mutually decoupled, and can respectively play a role in isolating the earthquake in the corresponding direction.
When the upper part of the horizontal vibration isolation device with adjustable rigidity needs to be placed with articles with different qualities or the movement period is regulated, the relative distance between the fixing bolt 62 and the stay bar fixing nut 111 can be changed by adjusting the position of the fixing bolt 62 in the spring fixing piece 6, so that the purpose of regulating the rigidity of the device is achieved. After the brace 10 is added, the horizontal vibration isolation device can obtain more stable horizontal rigidity during the movement, for example, fig. 17 is a horizontal rigidity curve of the vibration isolation device adopting the structure during the movement.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A horizontal shock insulation device with adjustable rigidity is characterized in that: comprising the following steps:
the base plate (1), the said base plate (1) sets up horizontally;
the middle plate (2) is horizontally arranged above the bottom plate (1) and forms a first shock insulation layer with the bottom plate;
the upper plate (3) is horizontally arranged above the middle plate (2) and forms a second shock insulation layer with the middle plate (2);
the sliding rails (4) are arranged in two groups, the first group of sliding rails (4) are symmetrically arranged on the left side and the right side of the first shock insulation layer, the upper end and the lower end of the first group of sliding rails (4) are respectively connected with the middle plate (2) and the bottom plate (1), the second group of sliding rails (4) are symmetrically arranged on the front side and the rear side of the second shock insulation layer, and the upper end and the lower end of the second group of sliding rails (4) are respectively fixedly connected with the upper plate (3) and the middle plate (2);
the spring fixing pieces (6) are symmetrically arranged on the left side and the right side of the upper surface of the bottom plate (1), two groups of spring fixing pieces (6) are symmetrically arranged on the front side and the rear side of the upper surface of the middle plate (2), and the number of the spring fixing pieces (6) in each group is two;
the spring connecting pieces are arranged, one spring connecting piece is fixed on the middle plate (2), the other spring connecting piece is fixed on the upper plate (3), and a supporting spring (5) is connected between each spring connecting piece and each spring fixing piece (6).
2. The stiffness-adjustable horizontal seismic isolation apparatus according to claim 1, wherein: the sliding rail (4) comprises an upper rail (41) and a lower rail (42), an arc sliding groove is formed in the top of the lower rail (42) along the length direction, the upper rail (41) is provided with an arc sliding block matched with the arc sliding groove, the arc sliding block can move relatively along the arc sliding groove, the upper rail (41) and the lower rail (42) of the first group of sliding rails (4) are fixedly connected with the middle plate (2) and the bottom plate (1) respectively, and the upper rail (41) and the lower rail (42) of the second group of sliding rails (4) are fixedly connected with the upper plate (3) and the middle plate (2) respectively.
3. The stiffness-adjustable horizontal seismic isolation apparatus according to claim 2, wherein: the spring fixing piece (6) comprises a fixing piece body (61), fixing bolts (62), first fastening nuts (63), second fastening nuts (64) and spring hanging holes (65), wherein the fixing piece body (61) is of a frame structure, bolt holes are symmetrically formed in two sides of the fixing piece body (61), the fixing bolts (62) are arranged in the bolt holes, the first fastening nuts (63) and the second fastening nuts (64) are respectively arranged on the fixing bolts (62) on two sides of the bolt hole on one side, the first spring hanging holes (65) are formed in the fixing bolts (62), and the positions of the first spring hanging holes (65) can be changed by adjusting the fixing bolts (62).
4. A stiffness adjustable horizontal seismic isolation apparatus according to claim 3, wherein: the spring connector comprises two spring pendants (7) which are arranged in a cross-shaped structure, each spring pendants (7) comprises a fixed block (71) and a second spring hanging hole (72), one of the fixed blocks (71) of the spring pendants (7) is fixed on the lower surface of the middle plate (2), and the other fixed block (71) of the spring pendants (7) is fixed on the lower surface of the upper plate (3) and is respectively positioned at the centers of the middle plate (2) and the upper plate (3).
5. The adjustable stiffness horizontal shock insulation apparatus according to claim 4, wherein: the bottom of each spring hanging piece (7) is provided with two second spring hanging holes (72), the second spring hanging holes (72) and the fixed block (71) are integrally constructed or fixed on the fixed block (71), one end of the supporting spring (5) is connected with the second spring hanging holes (72), and the other end of the supporting spring is connected with the first spring hanging holes (65).
6. A stiffness adjustable horizontal seismic isolation apparatus according to claim 3, wherein: the spring connector comprises a lower energy consumption slider (8) and an upper energy consumption slider (9), wherein the lower energy consumption slider (8) comprises a first slider (81), sliding rods (82) are fixed on two sides of the top of the first slider (81), a sliding groove is formed between the two sliding rods (82), a pair of first lug plates (83) are arranged at the bottom of the first slider (81), a pin bolt (84) is arranged in each first lug plate (83) in a penetrating mode, the upper energy consumption slider (9) comprises a second slider (91), the top of the second slider (91) is fixedly connected with the lower surface of a middle plate (2) or an upper plate (3) respectively, sliding grooves (92) matched with the sliding rods (82) are formed in two sides of the second slider (91), and the two sliding rods (82) are embedded in the sliding grooves (92) on the two sides respectively.
7. The adjustable stiffness horizontal shock insulation apparatus according to claim 6, wherein: the novel energy-consumption support device is characterized by further comprising a support rod (10), wherein the support rod (10) is arranged between two adjacent support springs (5) positioned on the same side of which the included angle is an acute angle, one end of the support rod (10) is connected with the lower energy-consumption sliding block (8), and the other end of the support rod is connected with the support rod fixing piece (11).
8. The adjustable stiffness horizontal shock insulation apparatus according to claim 7, wherein: the stay bar (10) comprises a stay bar body (101), a first stay bar lug plate (102) and a second stay bar lug plate (103) are respectively arranged at two ends of the stay bar body (101), third stay bar lug plates (104) are symmetrically arranged at two sides of one end of the stay bar lug plate (103) of the stay bar body (101), the lower energy consumption sliding blocks (8) are connected with the second stay bar lug plates (103) through first lug plates (83) and are fixed through pin bolts (84), one end of a supporting spring (5) is connected with the third stay bar lug plates (104), and the other end of the supporting spring is connected with a spring hanging hole (65).
9. The adjustable stiffness horizontal shock insulation apparatus according to claim 8, wherein: the stay bar fixing piece (11) comprises a stay bar fixing piece fixing nut (111) and a stay bar fixing piece screw rod (112), the stay bar fixing piece fixing nut (111) is fixed on the bottom plate (1) or the middle plate (2), the first stay bar lug plate (102) is arranged on the stay bar fixing piece fixing nut (111) and is fixedly connected through the fixing piece screw rod (112), and the stay bar (10) can do circular motion around the center of the fixing piece screw rod (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310662554.7A CN116624557A (en) | 2023-06-06 | 2023-06-06 | Horizontal shock insulation device with adjustable rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310662554.7A CN116624557A (en) | 2023-06-06 | 2023-06-06 | Horizontal shock insulation device with adjustable rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116624557A true CN116624557A (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310662554.7A Pending CN116624557A (en) | 2023-06-06 | 2023-06-06 | Horizontal shock insulation device with adjustable rigidity |
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| Country | Link |
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| CN (1) | CN116624557A (en) |
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- 2023-06-06 CN CN202310662554.7A patent/CN116624557A/en active Pending
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