CN107989078A - A kind of follow-on ground anti-seismic structure - Google Patents
A kind of follow-on ground anti-seismic structure Download PDFInfo
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- CN107989078A CN107989078A CN201711163176.9A CN201711163176A CN107989078A CN 107989078 A CN107989078 A CN 107989078A CN 201711163176 A CN201711163176 A CN 201711163176A CN 107989078 A CN107989078 A CN 107989078A
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- follow
- damping shock
- spherical damper
- alarm
- seismic structure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/14—Geometrical or physical properties resilient or elastic
- E02D2200/146—Springs
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of follow-on ground anti-seismic structure,Its structure includes anti-vibration house,Audible-visual annunciator,Spherical damper,Spherical damper mounting base,Foundation body,Damping shock absorber,Cushion rubber layer,Secondary pile,King pile column,Vibrating speed sensors,Bottom buffer layer,The present invention is when being used,When running into the slightly weak situation of earthquake magnitude,The follow-on ground anti-seismic structure of equipment need to only rely on damping shock absorber can keep out it is most of during the earth's crust quick release of energy caused by vibrate,When building is met with the situation of strong earthquakes,Building itself can produce violent shake,By equipped with spherical damper,Building can swing back and forth to produce with spherical damper by itself in dither process and rub to reduce seismic energy,So as to further increase the shock resistance of the follow-on ground anti-seismic structure of equipment,It is highly practical.
Description
Technical field
The present invention is a kind of follow-on ground anti-seismic structure, belongs to Antiseismic building technical field.
Background technology
Ground refers to the soil body or rock mass of supporting base below building.Soil layer as building lot is divided into rock, broken
Stone soil, sand, silt, cohesive soil and artificial earth fill.Ground has two class of subsoil and artificial foundation.Subsoil is need not
The natural soil layer that people reinforces.Artificial foundation needs people's consolidation process, common to have aggregate chips bed course, sand bedding course, combination ash earthen backfill again
Compacting etc..
Prior art discloses a kind of Anti-quaking foundation structure of Application No. CN201620605020.6, including：Foundation beam,
Basis and antidetonation layer；Antidetonation layer includes upper strata longitudinal direction antidetonation layer, lower floor's longitudinal direction antidetonation layer, upper strata Horizontal Seismic layer, lower floor's transverse direction
Antidetonation layer, ball layer, upper strata ball orbit and lower floor's ball orbit；Basis includes basic body, a clump of piles, shockproof cushioning layer, should
Invention is beneficial in that：A kind of Anti-quaking foundation structure of the invention by the upper strata longitudinal direction antidetonation layer inside antidetonation layer, under
The setting of layer longitudinal antidetonation layer, upper strata Horizontal Seismic layer, lower floor's Horizontal Seismic layer and ball layer realizes the horizontal stroke produced to earthquake
Effective buffering of ripple and compressional wave, alleviates damage of the earthquake to building；And the basic body of circular arc type, a clump of piles and shockproof slow
Rush layer also further can play cushioning effect to seismic wave；On the whole the structure of the Anti-quaking foundation structure of the invention it is simple,
It is of low cost, shock resistance is strong, but the prior art when in use in face of building meet with strong earthquakes situation under when equipment resist
Shake the anti seismic efficiency meeting relative drop of foundation structure, poor practicability.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of follow-on ground anti-seismic structure, with solution
Certainly the prior art is when in use in face of the anti seismic efficiency of building equipment Anti-quaking foundation structure when meeting with the situation of strong earthquakes
The problem of meeting relative drop, poor practicability.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of follow-on ground resists
Structure is shaken, its structure includes anti-vibration house, audible-visual annunciator, spherical damper, spherical damper mounting base, foundation body, resistance
Buddhist nun's damper, cushion rubber layer, secondary pile, king pile column, vibrating speed sensors, bottom buffer layer, the anti-vibration house connect
The upper end face of foundation body is connected to, the anti-vibration house is internally provided with audible-visual annunciator, and the spherical damper is equal
The even equidistant inner surface arranged on anti-vibration house lower end, the spherical damper mounting base are arranged on the inner surface of foundation body,
The damping shock absorber is uniformly and equidistantly connected to the rear surface of foundation body, the upper end face of the cushion rubber layer
Equipped with damping shock absorber, the bottom buffer layer is connected to the rear surface of cushion rubber layer, the bottom buffer layer
Rear surface is connected with king pile column, and the secondary pile is uniformly and equidistantly connected to the outer surface edge of bottom buffer layer, described
Bottom buffer layer be internally provided with vibrating speed sensors, the spherical damper is by ball grooves, ball, spherical damper
Shell body, rubber damping material filled layer composition, the inner surface of spherical damper shell body are fixed with ball grooves, the rubber
Glue vibration-absorptive material filled layer is uniformly and equidistantly arranged on ball grooves inner surface arranged on ball grooves inner surface in school, the ball
Edge, the spherical damper shell body uniformly and equidistantly be arranged on anti-vibration house lower end inner surface.
Further, the audible-visual annunciator is by LED lamp bead, sound track, alarm seat, power source of alarm connecting line, alarm
Device light trough forms, and alarm light trough is fixed with the front-end surface of the alarm seat, the alarm light trough front end
Inner surface is equipped with sound track, and the LED lamp bead is uniformly and equidistantly arranged on the edge of alarm light trough front inner surface, described
Power source of alarm connecting line is connected to the right side of alarm seat.
Further, the damping shock absorber is by fixed link, fixed seat, damping shock absorber shell body, damping spring, resistance
Buddhist nun's damping base forms, and the fixed link is through fixed seat and is welded on the upper end face of damping spring, the damping
Spring is arranged on the inside of damping shock absorber shell body, and damping shock absorber is welded with the upper end face of the damping shock absorption base
Shell body, the damping shock absorption base is uniformly and equidistantly on the upper end face of damping shock absorption base.
Further, the spherical damper shape is circle, and the spherical damper has 4.
Further, the secondary pile has 4.
Further, the alarm seat is the rectangular configuration of a height of 10-20cm.
Further, the LED lamp bead shape is circle, and the LED lamp bead has 16.
Further, the fixed link is the cylindrical structure of a length of 8-10cm.
Further, the damping shock absorption base shape is rectangle, a height of 5-10cm of damping shock absorption base.
Further, the vibrating speed sensors are connected by vibration velocity sensing probe, vibration velocity sensing probe
Seat, vibrating speed sensors main body, vibrating speed sensors electrical power connection block composition, the vibrating speed sensors main body
Left end surface is connected with vibration velocity sensing probe connecting seat, and the vibrating speed sensors electrical power connection block is connected to vibration
The right side of velocity sensor main body, the left-hand face of the vibration velocity sensing probe connecting seat are connected with vibration velocity sensing
Probe, the vibrating speed sensors main body are arranged on the inside of bottom buffer layer.
Beneficial effect
The ground anti-seismic structure of a modification of the present invention type, is carrying out running into the slightly weak shape of earthquake magnitude in use, working as
During condition, it is most of because of earth's crust quick release energy that the follow-on ground anti-seismic structure of equipment need to only rely on damping shock absorber to keep out
Vibration caused by during amount, when building is met with the situation of strong earthquakes, building itself can produce violent shake, lead to
Cross and be equipped with spherical damper, building can swing back and forth to produce to rub with spherical damper in dither process by itself to be come
Seismic energy is reduced, so that the shock resistance of the follow-on ground anti-seismic structure of equipment is further increased, it is highly practical.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of follow-on ground anti-seismic structure of the present invention.
Fig. 2 is the structure diagram of the spherical damper of the present invention.
Fig. 3 is the structure diagram of audible-visual annunciator of the present invention.
Fig. 4 is the structure diagram of damping shock absorber of the present invention.
Fig. 5 is the structure diagram of vibrating speed sensors of the present invention.
Fig. 6 is the circuit diagram of vibrating speed sensors of the present invention.
Fig. 7 is the fundamental diagram of vibrating speed sensors of the present invention.
In figure：Anti-vibration house -1, audible-visual annunciator -2, spherical damper -3, spherical damper mounting base -4, ground master
Body -5, damping shock absorber -6, cushion rubber layer -7, secondary pile -8, king pile column -9, vibrating speed sensors -10, bottom damping
Layer -11, ball grooves -301, ball -302, spherical damper shell body -303, rubber damping material filled layer -304, LED light
It is pearl -201, sound track -202, alarm seat -203, power source of alarm connecting line -204, alarm light trough -205, fixed link -601, solid
Reservation -602, damping shock absorber shell body -603, damping spring -604, damping shock absorption base -605, vibration velocity sensing probe -
1001st, vibration velocity sensing probe connecting seat -1002, vibrating speed sensors main body -1003, vibrating speed sensors power supply connect
Joint chair -1004.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
Embodiment one
- Fig. 7 is please referred to Fig.1, the present invention provides a kind of follow-on ground anti-seismic structure technical solution：It is a kind of follow-on
Ground anti-seismic structure, its structure include anti-vibration house 1, audible-visual annunciator 2, spherical damper 3, spherical damper mounting base 4,
Base main body 5, damping shock absorber 6, cushion rubber layer 7, secondary pile 8, king pile column 9, vibrating speed sensors 10, bottom buffer layer
11, the anti-vibration house 1 is connected to the upper end face of foundation body 5, and the anti-vibration house 1 is internally provided with sound-light alarm
Device 2, the spherical damper 3 are uniformly and equidistantly arranged on the inner surface of 1 lower end of anti-vibration house, spherical damper installation
Seat 4 is arranged on the inner surface of foundation body 5, and the damping shock absorber 6 is uniformly and equidistantly connected to the lower end table of foundation body 5
Face, the upper end face of the cushion rubber layer 7 are equipped with damping shock absorber 6, and the bottom buffer layer 11 is connected to rubber and delays
Rush the rear surface of layer 7, the rear surface of the bottom buffer layer 11 is connected with king pile column 9, and the secondary pile 8 is uniformly etc.
Away from the outer surface edge for being connected to bottom buffer layer 11, the bottom buffer layer 11 is internally provided with vibrating speed sensors
10, the spherical damper 3 is filled by ball grooves 301, ball 302, spherical damper shell body 303, rubber damping material
Layer 304 forms, and the inner surface of spherical damper shell body 303 is fixed with ball grooves 301, rubber damping material filling
Layer 304 is uniformly and equidistantly arranged on 301 inner surface of ball grooves arranged on 301 inner surface of ball grooves in school, the ball 302
Edge, the spherical damper shell body 303 are uniformly and equidistantly arranged on the inner surface of 1 lower end of anti-vibration house, the acousto-optic
Alarm 2 is made of LED lamp bead 201, sound track 202, alarm seat 203, power source of alarm connecting line 204, alarm light trough 205,
Be fixed with alarm light trough 205 in the front-end surface of the alarm seat 203,205 front end of alarm light trough it is interior
Surface is equipped with sound track 202, and the LED lamp bead 201 is uniformly and equidistantly arranged on the side of 205 front inner surface of alarm light trough
Edge, the power source of alarm connecting line 204 are connected to the right side of alarm seat 203, and the damping shock absorber 6 is by fixed link
601st, fixed seat 602, damping shock absorber shell body 603, damping spring 604, damping shock absorption base 605 form, the fixation
Bar 601 is through fixed seat 602 and is welded on the upper end face of damping spring 604, and the damping spring 604 subtracts arranged on damping
The inside of device shell body 603 is shaken, damping shock absorber shell body is welded with the upper end face of the damping shock absorption base 605
603, for the damping shock absorption base 605 uniformly and equidistantly on the upper end face of damping shock absorption base 605, described is spherical
3 shape of damper is circle, and the spherical damper 3 has 4, and the secondary pile 8 has 4, and the alarm seat 203 is
The rectangular configuration of a height of 10-20cm, 201 shape of LED lamp bead are circle, and the LED lamp bead 201 has 16, described
Fixed link 601 be a length of 8-10cm cylindrical structure, 605 shape of damping shock absorption base is rectangle, the resistance
605 a height of 5-10cm of Buddhist nun's damping base.
Spherical damper described in this patent is building in the case where meeting with the situation of strong earthquakes, building can be helped to rely on
Itself swings earthquake energy, the shock-absorption device for avoiding building collapsing from damaging, because its shape is spherical, so it is also known as spherical
Damper.
Carrying out in use, when running into the slightly weak situation of earthquake magnitude, the follow-on ground anti-seismic structure of equipment only needs
By damping shock absorber can keep out it is most of during the earth's crust quick release of energy caused by vibrate, when building is met with
When under the situation of strong earthquakes, building itself can produce violent shake, by the way that equipped with spherical damper, building is in dither process
In can swing back and forth to produce to rub with spherical damper by itself and reduce seismic energy, so as to further increase equipment
The shock resistance of follow-on ground anti-seismic structure, it is highly practical.
Anti-vibration house -1, audible-visual annunciator -2, spherical damper -3, spherical damper mounting base -4, the ground of the present invention
Main body -5, damping shock absorber -6, cushion rubber layer -7, secondary pile -8, king pile column -9, vibrating speed sensors -10, bottom damping
Layer -11, ball grooves -301, ball -302, spherical damper shell body -303, rubber damping material filled layer -304, LED light
It is pearl -201, sound track -202, alarm seat -203, power source of alarm connecting line -204, alarm light trough -205, fixed link -601, solid
Reservation -602, damping shock absorber shell body -603, damping spring -604, damping shock absorption base -605, component are the universal standard
The component that part or those skilled in the art know, its structure and principle all can be learnt by technical manual for this technology personnel or
Known by normal experiment method, the present invention solves the problems, such as it is that the prior art meets with strong earthquakes in face of building when in use
Situation under when equipment Anti-quaking foundation structure anti seismic efficiency can relative drop, poor practicability, the present invention carry out in use, work as
When running into the slightly weak situation of earthquake magnitude, the follow-on ground anti-seismic structure of equipment need to only rely on damping shock absorber to keep out greatly
Part during the earth's crust quick release of energy caused by vibrate, when building is met with the situation of strong earthquakes, building
Itself can produce violent shake, by the way that equipped with spherical damper, building can swing back and forth in dither process by itself
Produce and rubbed to reduce seismic energy, so as to further increase the follow-on ground anti-seismic structure of equipment with spherical damper
Shock resistance, it is highly practical, it is described in detail below:
The spherical damper 3 is by ball grooves 301, ball 302, spherical damper shell body 303, rubber damping material
Filled layer 304 forms, and the inner surface of spherical damper shell body 303 is fixed with ball grooves 301, the rubber damping material
Filled layer 304 is uniformly and equidistantly arranged on table in ball grooves 301 arranged on 301 inner surface of ball grooves in school, the ball 302
The edge in face, the spherical damper shell body 303 are uniformly and equidistantly arranged on the inner surface of 1 lower end of anti-vibration house.
Embodiment two
- Fig. 7 is please referred to Fig.1, the vibrating speed sensors 10 are passed by vibration velocity sensing probe 1001, vibration velocity
Sense probe connecting seat 1002, vibrating speed sensors main body 1003, vibrating speed sensors electrical power connection block 1004 form, described
The left end surface of vibrating speed sensors main body 1003 be connected with vibration velocity sensing probe connecting seat 1002, the vibration
Velocity sensor electrical power connection block 1004 is connected to the right side of vibrating speed sensors main body 1003, vibration velocity sensing
The left-hand face of probe connecting seat 1002 is connected with vibration velocity sensing probe 1001, the vibrating speed sensors main body
1003 are arranged on the inside of bottom buffer layer 11.
In use, by adding vibrating speed sensors inside the buffer layer of bottom, when an earthquake occurs, vibrate
Velocity sensor is able to detect that vibration signal, and vibration signal is transformed into electric signal transmission to biography using magnetoelectric induction principle
Sensor control terminal and audible-visual annunciator, after receiving the vibration signal that vibrating speed sensors audible-visual annunciator transmits, acousto-optic
Alarm meeting automatic alarm, reminds user that earthquake will occur so that user can react in time, so that effectively
The usage safety performance of the follow-on ground anti-seismic structure of equipment is improved, it is highly practical.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of follow-on ground anti-seismic structure, its structure includes anti-vibration house (1), audible-visual annunciator (2), spherical damper
(3), spherical damper mounting base (4), foundation body (5), damping shock absorber (6), cushion rubber layer (7), secondary pile (8), master
Pile (9), vibrating speed sensors (10), bottom buffer layer (11), it is characterised in that：
The anti-vibration house (1) is connected to the upper end face of foundation body (5), and the anti-vibration house (1) is internally provided with
Audible-visual annunciator (2), the spherical damper (3) is uniformly and equidistantly arranged on the inner surface of anti-vibration house (1) lower end, described
Spherical damper mounting base (4) is arranged on the inner surface of foundation body (5), and the damping shock absorber (6) uniformly and equidistantly connects
Rear surface in foundation body (5), the upper end face of the cushion rubber layer (7) is equipped with damping shock absorber (6), described
Bottom buffer layer (11) is connected to the rear surface of cushion rubber layer (7), and the rear surface of the bottom buffer layer (11) connects
King pile column (9) is connected to, the secondary pile (8) is uniformly and equidistantly connected to the outer surface edge of bottom buffer layer (11), described
Bottom buffer layer (11) be internally provided with vibrating speed sensors (10)；
The spherical damper (3) is by ball grooves (301), ball (302), spherical damper shell body (303), rubber shock-absorbing
Material filled layer (304) forms, and the inner surface of spherical damper shell body (303) is fixed with ball grooves (301), the rubber
Glue vibration-absorptive material filled layer (304) be arranged on ball grooves (301) inner surface in school, the ball (302) is uniformly and equidistantly
Arranged on the edge of ball grooves (301) inner surface, the spherical damper shell body (303) is uniformly and equidistantly arranged on anti-vibration house
(1) inner surface of lower end.
A kind of 2. follow-on ground anti-seismic structure according to claim 1, it is characterised in that：The audible-visual annunciator
(2) by LED lamp bead (201), sound track (202), alarm seat (203), power source of alarm connecting line (204), alarm light trough (205)
Form, alarm light trough (205), the alarm light trough are fixed with the front-end surface of the alarm seat (203)
(205) inner surface of front end is equipped with sound track (202), and the LED lamp bead (201) is uniformly and equidistantly arranged on alarm light trough
(205) edge of front inner surface, the power source of alarm connecting line (204) are connected to the right side of alarm seat (203).
A kind of 3. follow-on ground anti-seismic structure according to claim 1, it is characterised in that：The damping shock absorber
(6) by fixed link (601), fixed seat (602), damping shock absorber shell body (603), damping spring (604), damping shock absorption base
(605) forming, the fixed link (601) is through fixed seat (602) and is welded on the upper end face of damping spring (604),
The damping spring (604) is arranged on the inside of damping shock absorber shell body (603), the damping shock absorption base (605)
Damping shock absorber shell body (603) is welded with upper end face, the damping shock absorption base (605) is uniformly and equidistantly arranged on resistance
On the upper end face of Buddhist nun's damping base (605).
A kind of 4. follow-on ground anti-seismic structure according to claim 1, it is characterised in that：The spherical damper
(3) shape is circle, and the spherical damper (3) has 4.
A kind of 5. follow-on ground anti-seismic structure according to claim 1, it is characterised in that：The secondary pile (8)
There are 4.
A kind of 6. follow-on ground anti-seismic structure according to claim 2, it is characterised in that：The alarm seat
(203) be a height of 10-20cm rectangular configuration.
A kind of 7. follow-on ground anti-seismic structure according to claim 2, it is characterised in that：The LED lamp bead
(201) shape is circle, and the LED lamp bead (201) has 16.
A kind of 8. follow-on ground anti-seismic structure according to claim 3, it is characterised in that：The fixed link
(601) be a length of 8-10cm cylindrical structure.
A kind of 9. follow-on ground anti-seismic structure according to claim 3, it is characterised in that：The damping shock absorption bottom
Seat (605) shape is rectangle, described damping shock absorption base (605) a height of 5-10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163176.9A CN107989078A (en) | 2017-11-21 | 2017-11-21 | A kind of follow-on ground anti-seismic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711163176.9A CN107989078A (en) | 2017-11-21 | 2017-11-21 | A kind of follow-on ground anti-seismic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107989078A true CN107989078A (en) | 2018-05-04 |
Family
ID=62031792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711163176.9A Pending CN107989078A (en) | 2017-11-21 | 2017-11-21 | A kind of follow-on ground anti-seismic structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN107989078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108835912A (en) * | 2018-06-29 | 2018-11-20 | 贵州工程应用技术学院 | A kind of earthquake-proof tables and chairs assembly |
| CN109914489A (en) * | 2019-04-08 | 2019-06-21 | 河南工业大学 | A kind of follow-on damping ground based system |
-
2017
- 2017-11-21 CN CN201711163176.9A patent/CN107989078A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108835912A (en) * | 2018-06-29 | 2018-11-20 | 贵州工程应用技术学院 | A kind of earthquake-proof tables and chairs assembly |
| CN108835912B (en) * | 2018-06-29 | 2021-06-01 | 贵州工程应用技术学院 | Anti-earthquake table and chair assembly |
| CN109914489A (en) * | 2019-04-08 | 2019-06-21 | 河南工业大学 | A kind of follow-on damping ground based system |
| CN109914489B (en) * | 2019-04-08 | 2020-07-28 | 河南工业大学 | Follow-on shock attenuation ground system |
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Application publication date: 20180504 |