CN107592762A - A kind of quake-proof machine cabinet with double structure - Google Patents
A kind of quake-proof machine cabinet with double structure Download PDFInfo
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- CN107592762A CN107592762A CN201710843885.5A CN201710843885A CN107592762A CN 107592762 A CN107592762 A CN 107592762A CN 201710843885 A CN201710843885 A CN 201710843885A CN 107592762 A CN107592762 A CN 107592762A
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- cabinet
- duplex
- quake
- proof machine
- double structure
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Abstract
The invention discloses a kind of quake-proof machine cabinet with double structure, including duplex cabinet, the duplex cabinet includes two cabinets, and the cabinet door being connected with cabinet, is provided with antidetonation skeleton inside cabinet, is fixed between antidetonation skeleton by pulling rivet bolt.By being fixed between antidetonation skeleton using pulling rivet bolt, Y-axis of the pulling rivet bolt inside cabinet, Z axis are set, it can be ensured that duplex cabinet cabinet possesses enough rigidity.Set and be hinged between cabinet door and cabinet, high-density sponge beam, damage when can relax cabinet door relative motion to cabinet door are set between two cabinet doors；A single cabinet base integrally formed with duplex cabinet is designed as, increases the weight of base, relaxes the acceleration magnification level above rack；Quake-proof machine cabinet of the present invention, realize duplex cabinet in the case of ground violent earthquake acceleration 0.3g, the integrality of holding structure so that nuclear power plant's key I＆C system under limiting safe seismic condition can normal work, and farthest taken into account the economy of nuclear power plant.
Description
Technical field
The present invention relates to a kind of earthquake rack technical field, and in particular to a kind of earthquake rack with double structure.
Background technology
The generation Ⅲ nuclear power heap-type " the imperial No.1 of China " of China's independent research, its limiting safe earthquake motion is by maximum horizontal and erects
Straight bottom surface acceleration peak value is that 0.3g carries out Aseismic Design.Compared to second generation nuclear power heap-type 0.2g maximum Aseismic Design, its
The antidetonation of equipment can be greatly improved to power requirement.And in I＆C system rack, it is desirable to meet the duplex cabinet of I class shockproof requirements
Occupy considerable proportion.
Duplex cabinet is spliced by two identical standard Single Cabinets, and volume, quality are big compared with Single Cabinet, and structure is also more
For complexity, the connecting portion of two racks is the weak link of its shock resistance always.Especially rack is placed on elevation location
, it is necessary to which the earthquake strong degree born is up to 10 degree during higher factory building floor.Under the earthquake intensity, traditional duplex antidetonation machine
Cabinet can not meet shockproof requirements.
Studied based on this and design a kind of earthquake rack with double structure.
The content of the invention
The technical problems to be solved by the invention are：Applied to I＆C system rack-duplex cabinet in generation Ⅲ nuclear power heap-type,
Its volume, quality are big compared with Single Cabinet, and complicated, can not meet I class shockproof requirements, and present invention aims at provide a kind of tool
There is the quake-proof machine cabinet of double structure, the coupling part between cabinet is improved respectively, avoid in the larger earthquake of earthquake intensity only
Can be strange, the strenuous exercise of cabinet in itself, cause the double structure of rack to be destroyed；The base for improving duplex cabinet is a unit
Cabinet, increase the rigidity of base, relax the acceleration magnification level above rack；It is spacing to rack and the progress of the connecting portion of cabinet door,
Collision free causes two cabinet doors to be damaged, and solves traditional antidetonation duplex cabinet duplex section connecting element pine in 10 grades of seismic tests
De-, structural failure, door-plate come off, and can not meet the technical problems such as I class shockproof requirements.
The present invention is achieved through the following technical solutions：
A kind of quake-proof machine cabinet with double structure, including duplex cabinet, the duplex cabinet include two cabinets and and cabinet
The cabinet door of connection, cabinet inside are provided with antidetonation skeleton, fixed between antidetonation skeleton by pulling rivet bolt.
The internal structure of duplex rack is numerous at present, and overall structure is complicated compared with Single Cabinet, and there is structure interval, structure
Between the multifold nonlinear factors such as non-linear bonding strength, friction, damping and collision.Need to consider simultaneously in earthquake X-axis, Y-axis,
The motion in three directions of Z axis, wherein X-axis represent rack width, and Y-axis represents cabinet depth unwrapping wire, and Z axis represents rack height
Direction, it is therefore desirable to consider to reduce the non-linear factor such as friction, damping and collision that may be present in duplex cabinet as far as possible, strengthen it
Rigidity, improve the key of its anti-seismic performance.
And using connection sheet and the duplex mode of screw between traditional antidetonation duplex cabinet cabinet, its principle is to pass through screw
Piece and cabinet are fixedly connected with, then the motion between two cabinets is constrained by connection sheet, plays and two single cabinets is connected into duplex
The effect of cabinet.Under in general earthquake operating mode, connection sheet can meet the effect of its kinematic constraint.But in the earthquake that earthquake intensity is larger
In, because the motion of the strenuous exercise of cabinet in itself, particularly Y-direction may cause two cabinet directions of motion and amplitude not
Unanimously, make that the axially loaded of screw is excessive, and screw thread is damaged, cause connection sheet to come off, double structure is destroyed.
Therefore inventor makes whole cabinet for relying on the spacing mode of connection sheet progress excessively weak between two cabinets
The situation of rigidity deficiency is improved, and using antidetonation skeleton inside cabinet, increases staking spiral shell between the antidetonation skeleton of two cabinets
Bolt.According to cabinet force analysis, the setting of the pulling rivet bolt, the attachment force between two cabinets can be increased, made in earthquake, two
The direction of motion of cabinet is consistent with amplitude, avoids damaging the attachment structure of cabinet.
Wherein, the concrete structure of pulling rivet bolt is the common knowledge of this area, is no longer described in detail.
Further, the pulling rivet bolt is equally spaced between antidetonation skeleton, and the number of pulling rivet bolt be more than etc.
In two.Here the structure of pulling rivet bolt is defined, it is preferably that Y-axis of the pulling rivet bolt inside cabinet, Z axis defence line is equidistant
Distribution, and Y-axis, the quantity of the pulling rivet bolt of Z axis inside the cabinet set are more than or equal to two, can increase the firm of quake-proof machine cabinet
Property.
Further, connection sheet is provided between two cabinets, connection sheet is fixed with two cabinets by screw.Wherein, even
The concrete structure of contact pin can be with certain thickness quadrilateral structure, be arranged between two cabinets, and cabinet is consolidated
It is fixed, increase the tightness connected between cabinet.
Further, the lower end of the duplex cabinet is provided with base, and base is a single cabinet bottom integrally formed with duplex cabinet
Seat.
Analyzed through taphrogeny, the rigidity influence rigid on integral duplex cabinet of base is very big.The base of traditional duplex cabinet
It is formed by connecting for two single cabinet bases, the structure can cause base integral rigidity insufficient, amplify the acceleration on duplex cabinet top
It is even more serious.Therefore the base of duplex cabinet is improved to a single cabinet base by inventor, instead of the bases of traditional two separation, together
When according to characterisitic parameters such as weight/centers of gravity of duplex rack, the reinforcing of X-axis and Y direction is carried out to base, increases above-mentioned two
The rigidity of the direction of motion；And according to rack center of gravity and the appropriate counterweight of distribution of weight, the center of gravity of whole cabinet is down offset, relax
Acceleration magnification level above rack, strengthen duplex bottom of cabinet seat integral rigidity.
The base weight of duplex rack, rack overall weight are relevant with position of centre of gravity in the technical program, by base with it is double
Connection cabinet is integrally formed integrated main function：Rack entirety can be made more preferable in the rigidity of X-axis and Y direction；The counterweight of base is
In order that the Z axis center of gravity of rack below 1/2 height, can greatly reduce the acceleration amplification at rack top in earthquake.
And strengthen its anti-seismic performance for duplex rack, and the specific reinforcement means and counterweight scheme that use are more, this skill
Art scheme proposes Scheme of Strengthening mainly according to earthquake motion analysis and the sport dynamics characteristic angle analysis of equipment, from duplex
The attachment structure of rack, the base of duplex rack are angularly improved, and strengthen the bonding strength of duplex rack attachment structure, whole
The intensity of body mechanism, reach the purpose of enhancing anti-seismic performance.
Further, it is hinged between the cabinet door and cabinet.Cabinet door structure includes cabinet door skeleton in itself, cabinet door and cabinet it
Between coupling part, the limit part between two cabinet doors.
In traditional antidetonation duplex cabinet, cabinet door skeleton is " day " font.The rigidity of cabinet door skeleton principal security cabinet door, makes
It will not be deformed in earthquake causes not opening, and no position-limiting action is moved to it.It is and spacing main between cabinet door and cabinet
By three connectors in left side, and connector is completed with screw is relied between cabinet door and cabinet.When seismic acceleration is larger
When, screw may be caused to come off, door-plate, which drops, loses structural intergrity.
Inventor improves and is hinged between cabinet door and cabinet, the motion between two cabinet doors is carried out spacing.It can avoid on ground
When shake acceleration is larger, the structure of duplex cabinet is caused to damage.
Further, the number of the cabinet door has two, and two cabinet doors are in that relative folding is set, what two cabinet doors were in contact
Surface is equipped with damping device, and damping device covers the surface that two cabinet doors contact with each other.
X-direction will not produce because of relative motion between spacing effect between traditional cabinet door is to ensure that two cabinet doors
Raw sharp impacts, under the larger earthquake operating mode of earthquake intensity, it may cause between two cabinet doors because the direction of motion or speed are different
Collision, cause the damage of structure, existing rack is to propose technical scheme for such a problem, and invention is using between two cabinet doors
Damping device is set, and damping device covers the surface that two cabinet doors contact with each other.Using damping device can relax two cabinet doors it
Between relative motion collision cause cabinet door to be damaged.
Further, the damping device is high-density sponge beam.This concrete structure to damping device changes
Enter, damage of the relative motion between cabinet door to cabinet door can be relaxed.
Further, fixed between the high-density sponge beam and cabinet door by glue, high density sponge beam
Edge for hot melt adhesive edge.Beam can be made to be fixed on by glue in cabinet door using the beam of above-mentioned setting.
The present invention compared with prior art, has the following advantages and advantages：
1st, a kind of quake-proof machine cabinet with double structure of the technical program, be hinged between cabinet door and cabinet, two cabinet doors it
Between set high-density sponge beam, damage when can relax cabinet door relative motion to cabinet door.
2nd, technical solution of the present invention is improved to the base of duplex cabinet, is designed as a list integrally formed with duplex cabinet
Bottom of cabinet seat, increase the weight of base, relax the acceleration magnification level above rack.
3rd, the duplex between cabinet is partially improved as by being adopted between antidetonation skeleton by quake-proof machine cabinet of the present invention
Fixed with pulling rivet bolt, Y-axis of the pulling rivet bolt inside cabinet, Z axis are set, it can be ensured that duplex cabinet cabinet possesses enough firm
Property.
4th, the quake-proof machine cabinet described in technical solution of the present invention, situation of the duplex cabinet in ground violent earthquake acceleration 0.3g is realized
Under, it is capable of the integrality of holding structure, so that nuclear power plant's key I＆C system can be just under limiting safe seismic condition
Often work, and farthest taken into account the economy of nuclear power plant.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of duplex cabinet in the present invention；
1-cabinet, 2-antidetonation skeleton, 3-cabinet door, 4-base, 5-damping device.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
As shown in Figure 1 and Figure 2, a kind of quake-proof machine cabinet with double structure, the duplex cabinet include two cabinets 1 and with
The cabinet door 3 that cabinet 1 connects, the inside of cabinet 1 are provided with antidetonation skeleton 2, fixed between antidetonation skeleton 2 by pulling rivet bolt.
Wherein, the pulling rivet bolt is equally spaced between antidetonation skeleton 2, and the number of pulling rivet bolt is more than or equal to two
It is individual.
Wherein, connection sheet is provided between two cabinets 1, connection sheet is fixed with two cabinets by screw.
In the present embodiment, pulling rivet bolt is increased between the antidetonation skeleton 2 of two cabinets 1, and pulling rivet bolt is inside cabinet
Y-axis, Z-direction installed according to certain spacing, and the spacing of adjacent pulling rivet bolt is equal, can increase spacing between cabinet
Intensity, make the rigidity reinforced of whole cabinet.
Embodiment 2：
The present embodiment further limits on the basis of embodiment 1, and the lower end for limiting the duplex cabinet is provided with base 4, bottom
Seat 4 is a single cabinet base integrally formed with duplex cabinet.That is base 4 is formed in one structure, relaxes cabinet to a certain extent
Acceleration magnification level above body.The common knowledge that the present embodiment is related to other structures and its principle is art, no
It is described in detail again.
Embodiment 3：
The difference of the present embodiment and above-described embodiment is：It is hinged between the cabinet door and cabinet, the cabinet door
Number has two, and two cabinet doors are in that relative folding is set, and the surface that two cabinet doors are in contact is equipped with damping device, damping device
The surface that two cabinet doors of covering contact with each other.
Damping device described in the present embodiment can be with flexibility, elastic structure, such as Rubber shock-absorbing pad, rubber air
Spring, rubber support etc., other two cabinet doors that can be set respectively contact with each other the structure of side, the guarantor in the technical program
Scope etc is protected, is no longer described in detail.
Embodiment 4：
The difference of the present embodiment and above-described embodiment is：Damping device 5 is high-density sponge beam, here to damping
The concrete structure of device 5 is defined, wherein, the concrete structure of high-density sponge beam by those skilled in the art public affairs
Know, be no longer described in detail.Wherein, fixed between the high-density sponge beam and cabinet door 3 by glue, high density sponge beam
Edge be hot melt adhesive edge, it can be ensured that high-density sponge beam being attached in cabinet door 3 securely.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of quake-proof machine cabinet with double structure, including duplex cabinet, it is characterised in that the duplex cabinet includes two cabinets
(1) cabinet door (3) and with cabinet (1) being connected, cabinet (1) is internal to be provided with antidetonation skeleton (2), and antidetonation skeleton passes through drawing between (2)
Riveted bolt is fixed.
2. a kind of quake-proof machine cabinet with double structure according to claim 1, it is characterised in that the pulling rivet bolt exists
Antidetonation skeleton is equally spaced between (2), and the number of pulling rivet bolt is more than or equal to two.
A kind of 3. quake-proof machine cabinet with double structure according to claim 2, it is characterised in that two cabinets (1) it
Between be provided with connection sheet, connection sheet is fixed with two cabinets by screw.
4. a kind of quake-proof machine cabinet with double structure according to claim 1, it is characterised in that under the duplex cabinet
End is provided with base (4), and base (4) is a single cabinet base integrally formed with duplex cabinet.
A kind of 5. quake-proof machine cabinet with double structure according to claim 1, it is characterised in that the cabinet door (3) with
It is hinged between cabinet (1).
6. a kind of quake-proof machine cabinet with double structure according to claim 1, it is characterised in that the cabinet door (3)
Number has two, and two cabinet doors (3) are in that relative folding is set, and the surface that two cabinet doors (3) are in contact is equipped with damping device
(5), damping device (5) covers the surface that two cabinet doors contact with each other.
A kind of 7. quake-proof machine cabinet with double structure according to claim 6, it is characterised in that the damping device
(5) it is high-density sponge beam.
A kind of 8. quake-proof machine cabinet with double structure according to claim 7, it is characterised in that the high-density sponge
Fixed between beam and cabinet door (3) by glue, the edge of high density sponge beam is hot melt adhesive edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843885.5A CN107592762B (en) | 2017-09-19 | 2017-09-19 | Anti-seismic cabinet with duplex structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843885.5A CN107592762B (en) | 2017-09-19 | 2017-09-19 | Anti-seismic cabinet with duplex structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107592762A true CN107592762A (en) | 2018-01-16 |
| CN107592762B CN107592762B (en) | 2021-03-19 |
Family
ID=61047329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710843885.5A Active CN107592762B (en) | 2017-09-19 | 2017-09-19 | Anti-seismic cabinet with duplex structure |
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| Country | Link |
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| CN (1) | CN107592762B (en) |
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| CN2786922Y (en) * | 2004-12-13 | 2006-06-07 | 中兴通讯股份有限公司 | Universal shielding cabinet |
| CN201282283Y (en) * | 2008-08-14 | 2009-07-29 | 上海飞洲电气股份有限公司 | High intensity antivibration electric force control cabinet body |
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| CN204947394U (en) * | 2015-09-20 | 2016-01-06 | 江西华宇科技有限公司 | A kind of full-automatic glue making machine double-door power distributing cabinet |
| CN205847771U (en) * | 2016-06-20 | 2016-12-28 | 百众鑫业（天津）科技有限公司 | A kind of waterproof anti-corrosion open air express delivery access cabinet |
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