CN201050275Y - Double-leaf steel bar concrete protection door - Google Patents
Double-leaf steel bar concrete protection door Download PDFInfo
- Publication number
- CN201050275Y CN201050275Y CNU2007202003936U CN200720200393U CN201050275Y CN 201050275 Y CN201050275 Y CN 201050275Y CN U2007202003936 U CNU2007202003936 U CN U2007202003936U CN 200720200393 U CN200720200393 U CN 200720200393U CN 201050275 Y CN201050275 Y CN 201050275Y
- Authority
- CN
- China
- Prior art keywords
- rubber strip
- leaf
- door leaf
- door
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model relates to a two-leaf reinforced concrete airtight door. The utility model has two door leaves, and a door frame which is covered by a door frame wall; a locking device is arranged at the door leaf; the contact position between the door leaf edge and the steel door frame is fixedly provided with a gland strip; the ground below the door frame has a threshold; the door leaf is connected with the door frame by a translatory reversible hinge; the place between the two door leaves has a center joint sealing structure; the center joint sealing structure comprises a first rubber strip skeleton which is fixedly connected with the edge of the center joint of one door leaf, a second rubber strip skeleton which is fixedly connected with the edge of the center joint of the other door leaf; a first rubber strip which is fixedly embedded with the first rubber strip skeleton; a second rubber strip which is fixedly embedded with the second rubber strip skeleton; the first rubber strip is in inclined joint with the second rubber strip. The utility model has the advantages of tight sealed center joint, low daily maintenance cost, long life time and low manufacturing cost, thereby the utility model can meet the protection requirements on nuclear explosion shock wave resistance, conventional weapon explosion shock wave resistance and biological weapon resistance.
Description
(1) technical field
The utility model relates to a kind of airtight blast door, the biparting airtight blast door that particularly a kind of people's air defense underground garage, (wartime is as air defense basement) access, underground store and connected entrance are installed.
(2) background technology
The biparting airtight blast door that existing people's air defense underground garage, (wartime is as air defense basement) access, underground store and connected entrance are installed adopts vertical rotary type, landing vertical rotary type steel work airtight blast door mostly.Existing vertical rotary type, the biparting steel work airtight blast door of landing vertical rotary type have following problem: (1) is only impacted towards ripple effect calculation Design according to anti-nuclear blast, and does not consider the effect of anti-conventional weapon explosion wave; The sealing joint strip compression of (2) installing on the doorframe is inhomogeneous, influences the airtight performance of airtight blast door; (3) because door leaf adopts the steel manufacturing, the manufacturing cost height, regular maintenance expense height, corrode easily door leaf the inside not easy care, influences life of product; (4) door leaf does not possess the ability of anti-early nuclear radiation.For the biparting steel work airtight blast door of existing landing vertical rotary type, also have following problem: (1) door leaf needs that also administrative staff are set and passes in and out wicket, and is not attractive in appearance, reduces airtight performance; (2) the dark geosyncline of 150mm need be set, cause civil engineering costs to increase, can't satisfy this mounting condition sometimes; (3) wartime, inconvenient personnel and vehicle passed in and out fast.
Existing biparting airtight blast door, (the unlatching side at Yishanmen is provided with adhesive tape groove and sponge rubber bar to the seal approach that the centre joint between the two fan doors adopts, unlatching side at the opposite side door leaf is provided with the edge of a knife), in the centre joint and last lower door frame junction, there is sealing problem easily.
Patent CN2649751Y (single airtight blast door of fanning) has introduced a kind of rolling translation axis and has cut with scissors page or leaf, the oval bearing load-bearing of dress in this hinge page or leaf reaches by last translation bearing, following translation bearing, and oval bearing rolls with the load-bearing translation shaft and is connected.When the door leaf translation, the rolling translation axis of this hinge page or leaf is together with the door leaf translation.This hinge page or leaf has following shortcoming: complex structure, fabricating cost height.
Patent CN1865645A has introduced a kind of integral lifting and sliding type protective airtight door (single fan airtight blast door), and this hinge page or leaf is made up of three separate jack lifting gears and upper and lower translation bearing.This hinge page or leaf has following shortcoming: three devices in upper, middle and lower of (1) hinge page or leaf are separate, site operation is not easy to guarantee axiality, the verticality of three parts, (2) especially when the door leaf lifting, upper and lower translation bearing place can produce bigger frictional force, causes lifting heavy; (3) complex structure, the fabricating cost height.
(3) utility model content
The purpose of this utility model provides a kind of biparting steel concrete closed guard gate, and this closed guard gate can satisfy every requirement of shelter of anti-nuclear blast wave, anti-conventional weapon explosion wave and chemical and biological weapons.
For realizing the purpose of this utility model, adopted following technical scheme:
A kind of biparting steel concrete closed guard gate, include steel concrete and build the door leaf that forms and the doorframe of door frame wall outsourcing, be equipped with blocking device on the door leaf, be fixed with weather strip in door leaf edge and steel door frame contact position, there is threshold on ground in doorframe bottom, door leaf is connected by translation vertical rotary hinge with doorframe, and centre joint hermetically-sealed construction is arranged between two door leafs, it is characterized in that: centre joint hermetically-sealed construction comprises:
A first rubber strip skeleton of fixedlying connected with a door leaf centre joint edge.
A second rubber strip skeleton of fixedlying connected with another door leaf centre joint edge.
First rubber strip that is mounted in the first rubber strip skeleton.
Second rubber strip that is mounted in the second rubber strip skeleton.
Above-mentioned first rubber strip and second rubber strip are that tapered plane is fitted or inclined broken surface is fitted at centre joint place.
Can be gluing be connected or bolt connects between above-mentioned rubber strip skeleton and the rubber strip.
Above-mentioned rubber strip skeleton can be angle steel, steel bar or steel band.
Above-mentioned translation vertical rotary hinge, comprise that hinge page or leaf seat, following hinge page or leaf seat are fixed on the doorframe, loading arm, upper plate are connected on the door leaf, and hinge page or leaf axle passes upper plate, loading arm, and the upper and lower side that cuts with scissors the page or leaf axle is flexibly connected by bearing and last hinge page or leaf seat, following hinge page or leaf seat respectively.
Hinge page or leaf axle is fused by the concentric steel pipe of last axle, lower shaft, the upper and lower axle of overcoat.
One oval-shaped upper shaft hole is arranged on the upper plate, and last axle passes upper shaft hole, and last axle is connected with upper plate by needle bearing.
One oval-shaped lower shaft hole is arranged on the loading arm, and translation piece on is arranged in the position between lower shaft hole and the door leaf at the bottom of loading arm, and the bottom surface of last translation piece has a last ball grooves with the door leaf vertical direction.
Lower shaft passes the lower shaft hole of loading arm, and the position below loading arm is with the translating base of an eccentric hammer head, the end face of translating base with respect on the position of ball grooves have a following ball grooves.
In vertical direction one gap is arranged between last translation piece and the translating base, be equipped with row's steel ball down between ball grooves and the last ball grooves, this row's steel ball length in the horizontal direction is less than the length of following ball grooves and last ball grooves; To in the same way a gradient is arranged, the gradient is 0.5%～10.0% along the length of groove for following ball grooves and last ball grooves.
Last ball grooves away from the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball.
Following ball grooves away from the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball.
Above-mentioned loading arm is connected by bolt with last translation piece or welds.
Be connected by key between above-mentioned lower shaft and the translating base or be an overall structure.
Be lined with upper plate pad, loading arm pad between above-mentioned upper plate, loading arm and the door leaf.
The utility model is compared with existing biparting steel work airtight blast door, has following beneficial effect:
This biparting steel concrete closed guard gate can satisfy every requirement of shelter of anti-nuclear blast wave, anti-conventional weapon explosion wave and chemical and biological weapons.This closed guard gate is simple in structure, and is cheap, and the regular maintenance expense is low, long service life, and centre joint sealing is tight.The upper, middle, and lower part of parallel-moving type hinge page or leaf device is connected as a single entity, and site operation is easy to guarantee the axiality and the verticality of three parts.The utility model has realized that door leaf evenly pushes the sealing joint strip of installing on the doorframe, thereby reaches sealing effectiveness.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the structural representation of translation vertical rotary hinge of the present utility model;
Fig. 5 is the C-C cross-sectional view of Fig. 4.
Fig. 6 is the syndeton enlarged drawing of translating base and last translation piece among Fig. 4.
Fig. 7 is the another kind of syndeton enlarged drawing of translating base and last translation piece among Fig. 4.
Fig. 8 is the syndeton schematic diagram of translating base and last translation piece among Fig. 5.
Fig. 9 is the structural representation when translating base and last translation piece are subjected to displacement among Fig. 8.
Figure 10 is the geometrical relationship schematic diagram of going up between translation piece and the steel ball.
Figure 11 is the geometrical relationship schematic diagram between translating base and the steel ball.
Figure 12 is the schematic diagram of loading arm.
Figure 13 is the E-E cross-sectional view of Figure 12.
Figure 14 is the structural representation of translating base.
Figure 15 is the vertical view of Figure 14.
Figure 16 is the schematic diagram of upper plate.
Figure 17 is the F-F cross-sectional view of Figure 16.
Figure 18 is the structural representation of centre joint hermetically-sealed construction embodiment one;
Figure 19 is the structural representation of centre joint hermetically-sealed construction embodiment two;
Figure 20 is the structural representation of centre joint hermetically-sealed construction embodiment three.
Wherein, 1-door leaf, 2-hinge page or leaf axle, 3-blocking device, 4-doorframe, 5-weather strip, 7-threshold, 8-jackscrew, 9-cut with scissors page or leaf seat, 10-taper roll bearing, 11-lower shaft, 12-key, 13-translating base, 14-steel ball, the last translation piece of 15-, 16-loading arm, 17-loading arm pad, the concentric steel pipe of 18-, the last axle of 19-, 20-needle bearing, 21-upper plate, 22-upper plate pad, 23-bearing, the last hinge page or leaf of 24-seat down; Ball grooves, the last ball grooves of 26-, 27-upper shaft hole, 28-lower shaft hole under the 25-.
6-centre joint hermetically-sealed construction, 61-first rubber strip, 62-second rubber strip, the 63-first rubber strip skeleton, the 64-second rubber strip skeleton.
(5) specific embodiment
Embodiment is referring to Fig. 1-3, biparting steel concrete closed guard gate of the present utility model, include steel concrete and build the door leaf 1 that forms and the doorframe 4 of door frame wall outsourcing, be equipped with blocking device 3 and jackscrew 8 on the door leaf, be fixed with weather strip 5 in door leaf edge and steel door frame contact position, threshold 7 (comprise movable sill or fixedly threshold) is arranged on the ground of doorframe 4 bottoms, door leaf 1 and doorframe 4 are connected by translation vertical rotary hinge, centre joint hermetically-sealed construction 6 is arranged between two door leafs, the door leaf inboard is provided with blocking device 3, door leaf is by upper plate 21, loading arm 16 is connected with hinge page or leaf axle 2, and hinge page or leaf axle 2 is by last hinge page or leaf seat 24, following hinge page or leaf seat 9 is connected with doorframe 4.It is characterized in that:
Referring to Figure 18,19,20, centre joint hermetically-sealed construction 6 comprises:
A first rubber strip skeleton of fixedlying connected with a door leaf centre joint edge.
A second rubber strip skeleton of fixedlying connected with another door leaf centre joint edge.
First rubber strip that is mounted in the first rubber strip skeleton.
Second rubber strip that is mounted in the second rubber strip skeleton.
Be connected or bolt connects for gluing between above-mentioned rubber strip skeleton and the rubber strip.
Above-mentioned first rubber strip and second rubber strip are that tapered plane is fitted or inclined broken surface is fitted at centre joint place.
The first rubber strip skeleton and the second rubber strip skeleton adopt the steel manufacturing, are angle steel, steel bar, steel band or channel-section steel, have higher intensity, thereby guarantee that centre joint sealing device has the drag of opposing shock wave effect.The rubber strip skeleton can be set to a row, also can be set to many rows; When many rows are set, on the rubber strip corresponding grooves should be set.The shape of the groove on first rubber strip and second rubber strip and size and rubber strip skeleton match.
Be connected or bolt connects for gluing between above-mentioned rubber strip skeleton and the rubber strip.
Centre joint hermetically-sealed construction embodiment one as shown in figure 18, centre joint sealing device about between the two fan doors, left-hand door fan medial side face is provided with the first rubber strip skeleton and first rubber strip; Right door leaf medial side face is provided with the second rubber strip skeleton and second rubber strip.Adopt welding or bolt to be connected between rubber strip skeleton and the door leaf; First rubber strip with left-hand door fan binding face on be provided with groove, second rubber strip is being provided with groove with right door leaf binding face, rubber strip groove shapes, size match with the rubber strip skeleton.Adopt fluid sealant or bolt to be connected between rubber strip and the rubber strip skeleton, rubber strip and door leaf binding face employing fluid sealant adhering and sealing.The binding face of first rubber strip and second rubber strip is an inclined-plane.When closing after the door leaf closing sequence is left-hand door fan Xian Guan, right door leaf, the angle of the horizontal projection line of this inclined-plane and left-hand door fan medial surface is 15 °～75 °; When the door leaf closing sequence be that right door leaf closes earlier, when close left-hand door fan back, the angle of the horizontal projection line of this inclined-plane and right door leaf medial surface is 15 °～75 °.
When door leaf was in closed condition, first rubber strip on the left-hand door fan and second rubber strip on the right door leaf produced mutual extrusion (about and front and back) at binding face, thereby reached the airtight requirement of the centre joint; And left-hand door fan, first rubber strip, second rubber strip and right door leaf formation plane, the P type weather strip of installing on the doorframe is pushed on this plane together, thereby realizes this airtight performance.
Centre joint hermetically-sealed construction embodiment two as shown in figure 19.
Centre joint hermetically-sealed construction embodiment three as shown in figure 20, different with embodiment one is that first rubber strip 61 and second rubber strip 62 are that inclined broken surface is fitted at centre joint place.
Translation vertical rotary hinge is referring to Fig. 4-17, comprise that hinge page or leaf seat 24, following hinge page or leaf seat 9 are fixed on the doorframe 4, loading arm 16, upper plate 21 are connected on the door leaf 1, hinge page or leaf axle 2 passes upper plate 21, loading arm 16, the upper end of hinge page or leaf axle 2 by bearing 23 and last hinge page or leaf seat 24 flexibly connect, the lower end is by a taper roll bearing 10 and hinge page or leaf seat 9 flexible connections down.
Shown in Fig. 4-5, hinge page or leaf axle 2 is fused by last axle 19, lower shaft 11, concentric steel pipe 18.
One oval-shaped upper shaft hole 27 is arranged on the upper plate 21,, guarantee that upper plate 21 can produce horizontal movement with last axle 19 referring to Figure 16-17.Last axle 19 passes upper shaft hole 27, is connected with upper plate 21 by needle bearing 20.
One oval-shaped lower shaft hole 28 is arranged on the loading arm 16, and translation piece 15 on is arranged in the position between lower shaft hole and the door leaf at the bottom of loading arm 16.
Above-mentioned loading arm is connected by bolt with last translation piece or welds, referring to Figure 12-13.The bottom surface of last translation piece 15 has a last ball grooves 26 with the door leaf vertical direction.
As shown in figure 10, last ball grooves 26 away from the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball.
Lower shaft 11 passes the lower shaft hole 28 of loading arm 16, and the position below loading arm 16 is with the translating base 13 of an eccentric hammer head, is connected by key 12 between lower shaft 11 and the translating base 13 or is an overall structure.Referring to Figure 14-15, the end face of translating base 13 with respect on the position of ball grooves have a following ball grooves 25.
As shown in figure 11, following ball grooves away from the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball.
To in the same way a gradient is arranged, the gradient is 0.5%～10.0% along the length of groove for following ball grooves 25 and last ball grooves 26, and for example: the gradient can be 1.53%.Thereby can guarantee that door leaf can automatically reset after the action of opening the door is finished, guarantee that the door leaf geometric center is consistent with hinge page or leaf axle center when door opening state.
Referring to Fig. 8-9, be equipped with row's steel ball 14 down between ball grooves and the last ball grooves, this row's steel ball 14 length in the horizontal direction is less than the length of following ball grooves and last ball grooves.
By loading arm 16, last translation piece 15, steel ball 14, translating base 13 gravity and the horizontal thrust of door leaf are passed to the lower shaft 11 that cuts with scissors page or leaf.
Be lined with upper plate pad 22, loading arm pad 17 between above-mentioned upper plate 21, loading arm 16 and the door leaf 1.
As shown in Figure 6 and Figure 7, the gap that one Δ H is arranged in vertical direction between last translation piece 15 and the translating base 13, the gap can be about 3mm, gapped in the horizontal direction between last translation piece right side and the translating base, thereby can guarantee that the translation piece is connected by the steel ball rolling with translating base, passes to translating base with the gravity of door leaf by steel ball.
Shown in Fig. 6,7,10,11, it is 3mm that right door leaf is lower than steel ball center Δ H2 with the last ball grooves of hinge page away from the trough rim of axis hole one side, it is 6mm that the trough rim of close axis hole one side of last ball grooves is higher than steel ball center Δ H1, and down ball grooves to be higher than steel ball center Δ H4 near the trough rim of axis hole one side be 3mm, it is 6mm that following ball grooves is lower than steel ball center Δ H3 away from the trough rim of axis hole one side, and last ball grooves is away from the trough rim of the axis hole one side low 9mm of trough rim than close axis hole one side.This particular design can be passed to steel ball to the horizontal thrust and the gravity of hinge page or leaf effectively with door leaf, reduces between the last translation piece and steel ball that door leaf causes the horizontal thrust of hinge page or leaf, contact stress between steel ball and the translating base.
Left-hand door is fanned with the following ball grooves of the translating base 13 of hinge page or leaf, upward the position of the oval slotted hole of last ball grooves, upper plate 21 and the loading arm 16 of translation piece 15 is opposite with right door leaf.
Claims (9)
1. biparting steel concrete closed guard gate, include steel concrete and build the door leaf (1) that forms and the doorframe (4) of door frame wall outsourcing, be equipped with blocking device (3) on the door leaf, be fixed with weather strip (5) in door leaf edge and steel door frame contact position, there is threshold (7) on the ground following at doorframe (4), door leaf (1) is connected by translation vertical rotary hinge with doorframe (4), and centre joint hermetically-sealed construction (6) is arranged between two door leafs, and it is characterized in that: centre joint hermetically-sealed construction comprises:
A first rubber strip skeleton (63) of fixedlying connected with a door leaf centre joint edge;
A second rubber strip skeleton (64) of fixedlying connected with another door leaf centre joint edge;
First rubber strip (61) that is mounted in the first rubber strip skeleton (63);
Second rubber strip (62) that is mounted in the second rubber strip skeleton (64).
2. biparting steel concrete closed guard gate according to claim 1 is characterized in that: be connected or bolt connects for gluing between above-mentioned rubber strip skeleton and the rubber strip.
3. biparting steel concrete closed guard gate according to claim 2 is characterized in that: above-mentioned rubber strip skeleton is angle steel, steel bar or steel band.
4. biparting steel concrete closed guard gate according to claim 3 is characterized in that: above-mentioned first rubber strip (61) is that tapered plane is fitted or inclined broken surface is fitted at centre joint place with second rubber strip (62).
5. biparting steel concrete closed guard gate according to claim 4, it is characterized in that: above-mentioned translation vertical rotary hinge, comprise that hinge page or leaf seat (24), following hinge page or leaf seat (9) are fixed on the doorframe (4), loading arm (16), upper plate (21) are connected on the door leaf (1), hinge page or leaf axle (2) passes upper plate (21), loading arm (16), and the upper and lower side that cuts with scissors page or leaf axle (2) is flexibly connected by bearing and last hinge page or leaf seat (24), following hinge page or leaf seat (9) respectively;
Cut with scissors page or leaf axle (2) by last axle (19), lower shaft (11), the concentric steel pipe (18) of the upper and lower axle of overcoat fuses;
One oval-shaped upper shaft hole (27) is arranged on the upper plate (21), and last axle (19) passes upper shaft hole (27), is connected with upper plate (21) by bearing;
One oval-shaped lower shaft hole (28) is arranged on the loading arm (16), and translation piece (15) on is arranged in the position between lower shaft hole and the door leaf at the bottom of loading arm (16), and the bottom surface of last translation piece (15) has a last ball grooves (26) with the door leaf vertical direction;
Lower shaft (11) passes the lower shaft hole (28) of loading arm (16), is with the translating base (13) of an eccentric hammer head in the position of loading arm (16) below, the end face of translating base (13) with respect on the position of ball grooves (26) have a following ball grooves (25);
In vertical direction one gap is arranged between last translation piece (15) and the translating base (13), be equipped with row's steel ball (14) down between ball grooves (25) and the last ball grooves (26), this row's steel ball (14) length in the horizontal direction is less than the length of following ball grooves (25) and last ball grooves (26); To in the same way a gradient is arranged, the gradient is 0.5%～10.0% along the length of groove for following ball grooves (25) and last ball grooves (26);
Last ball grooves (26) away from the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball;
Following ball grooves (25) away from the trough rim of axis hole one side to the distance of the lowermost end of groove less than the steel ball radius of a ball, near the trough rim of axis hole one side to the distance of the lowermost end of groove greater than the steel ball radius of a ball.
6. biparting steel concrete closed guard gate according to claim 5 is characterized in that: above-mentioned loading arm (16) is connected by bolt with last translation piece (15) or welds.
7. according to claim 5 or 6 described biparting steel concrete closed guard gates, it is characterized in that: be connected by key (12) between above-mentioned lower shaft (11) and the translating base (13) or be an overall structure.
8. according to claim 5 or 6 described biparting steel concrete closed guard gates, it is characterized in that: the above-mentioned axle of going up is connected with upper plate (21) by needle bearing (20).
9. according to claim 5 or 6 described biparting steel concrete closed guard gates, it is characterized in that: be lined with upper plate pad (22), loading arm pad (17) between above-mentioned upper plate (21), loading arm (16) and the door leaf (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202003936U CN201050275Y (en) | 2007-05-22 | 2007-05-22 | Double-leaf steel bar concrete protection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202003936U CN201050275Y (en) | 2007-05-22 | 2007-05-22 | Double-leaf steel bar concrete protection door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050275Y true CN201050275Y (en) | 2008-04-23 |
Family
ID=39336759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007202003936U Expired - Lifetime CN201050275Y (en) | 2007-05-22 | 2007-05-22 | Double-leaf steel bar concrete protection door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050275Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356498A (en) * | 2018-12-07 | 2019-02-19 | 中国建筑标准设计研究院有限公司 | A kind of steel construction arch protective door for high drag civil air defense constructions and installations |
| CN109648704A (en) * | 2018-10-27 | 2019-04-19 | 上海正承防护设备有限公司 | A kind of concrete closed guard gate manufacture craft |
| CN110714699A (en) * | 2019-10-17 | 2020-01-21 | 中国人民解放军陆军工程大学 | Assembled prestressed ultrahigh-strength steel-self-stress fiber concrete protective door |
| CN112112530A (en) * | 2020-11-05 | 2020-12-22 | 中国建筑标准设计研究院有限公司 | Double-leaf steel structure arched pull plate protective airtight door and airtight method thereof |
| CN112227904A (en) * | 2020-12-08 | 2021-01-15 | 中国建筑标准设计研究院有限公司 | Manual and electric dual-purpose double-leaf arched protective door and control method |
-
2007
- 2007-05-22 CN CNU2007202003936U patent/CN201050275Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648704A (en) * | 2018-10-27 | 2019-04-19 | 上海正承防护设备有限公司 | A kind of concrete closed guard gate manufacture craft |
| CN109356498A (en) * | 2018-12-07 | 2019-02-19 | 中国建筑标准设计研究院有限公司 | A kind of steel construction arch protective door for high drag civil air defense constructions and installations |
| CN110714699A (en) * | 2019-10-17 | 2020-01-21 | 中国人民解放军陆军工程大学 | Assembled prestressed ultrahigh-strength steel-self-stress fiber concrete protective door |
| CN112112530A (en) * | 2020-11-05 | 2020-12-22 | 中国建筑标准设计研究院有限公司 | Double-leaf steel structure arched pull plate protective airtight door and airtight method thereof |
| CN112227904A (en) * | 2020-12-08 | 2021-01-15 | 中国建筑标准设计研究院有限公司 | Manual and electric dual-purpose double-leaf arched protective door and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201050275Y (en) | Double-leaf steel bar concrete protection door | |
| CN103266838A (en) | Threshold-free civil defense door of doorway | |
| CN217400916U (en) | Underground excavation station construction moving formwork for underground railway underpass | |
| CN207212409U (en) | The manual vertical rotary type protective airtight partition door of rail rapid transit engineering | |
| CN2921256Y (en) | Vertical rotary falling antisubmerging protective closed door | |
| CN116905933B (en) | Intelligent subway access & exit flood-proof protective airtight door | |
| CN201050277Y (en) | Double-leaf steel structure protection door | |
| CN101050681B (en) | Translation vertical rotary hinge | |
| CN113653426A (en) | Single-leaf push-pull type movable doorsill protective airtight door structure and airtight method thereof | |
| CN207701162U (en) | A kind of collapsible air door for coal mine down-hole tunnel | |
| CN106014145B (en) | A kind of military storehouse damp-proof anti-theft sealed door | |
| CN114673437A (en) | Zero-obstacle waterproof passage door for cultural relics storehouses or gold storehouses | |
| CN101050680B (en) | Lift translation vertical rotary type hinge | |
| CN215213073U (en) | Alloy door and window with rain and snow leakage prevention function | |
| CN213330629U (en) | Aluminium alloy door and window sash structure | |
| CN212478972U (en) | Split folding flood gate | |
| CN212454141U (en) | Steel-structure airtight civil air defense door | |
| CN211473891U (en) | Steel construction threshold biparting protection sealing door that lives | |
| CN113944509A (en) | Full-automatic flood-proof protective airtight door | |
| CN2486693Y (en) | Landing type vertical rotary door | |
| CN218844160U (en) | Explosion-proof steel structure movable threshold double-leaf protective airtight door | |
| CN217080153U (en) | Electronic turnover safety door for rail transit | |
| AU2008217698A1 (en) | Hinge system for a sectional door, sectional door and method for mounting the same | |
| CN221118968U (en) | Skylight structure of daylighting well | |
| CN217813041U (en) | Movable threshold structure of reinforced concrete single-leaf protective airtight door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100044 Beijing City, the number of cars on the main street, Xicheng District Patentee after: Co., Ltd of China Inst of Architectural Standard Design Address before: 100044 Beijing City, the number of cars on the main street, Xicheng District Patentee before: China Inst of Architectural Standard Design |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |