CN204311881U - A kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight - Google Patents
A kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight Download PDFInfo
- Publication number
- CN204311881U CN204311881U CN201420650543.3U CN201420650543U CN204311881U CN 204311881 U CN204311881 U CN 204311881U CN 201420650543 U CN201420650543 U CN 201420650543U CN 204311881 U CN204311881 U CN 204311881U
- Authority
- CN
- China
- Prior art keywords
- sealed beam
- locking
- tapered end
- connecting rod
- described locking
- 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 - Fee Related
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model proposes a kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight, the locking head, the locking connecting rod that comprise locking drive mechanism, be arranged on the locking headstock of door leaf both sides, be connected with described locking headstock by screw thread, be arranged on sealed beam below door leaf, the sealed beam tapered end be fixed on described sealed beam, sealed beam connecting rod, described locking drive mechanism drives described locking link rotatable by gear steering box, described locking link rotatable drives tapered end leading screw to rotate, and drives locking head axially-movable.The utility model has set up gear steering box, and replacing linkage with screw mechanism, screw mechanism stable movement, transmission accuracy is high, in effective solution prior art, connecting rod mechanism movement not steadily, accumulated error is comparatively large, transmission accuracy is low causes the flimsy problem of blocking device.
Description
Technical field
The utility model relates to subway tunnel protection airtight holds concurrently Flood gate field, particularly a kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight.
Background technology
According to the relevant regulations of China's " people's air defense method ", the needs of people's air defence in wartime must be taken into account during Metro Construction, in " metro design code " and " railway traffic engineering people's air defence design specifications " requirement again, to under wear the subway engineering in the waters such as river or lake, protection airtight should be established to hold concurrently Flood gate or take other anti-ly to flood measure in the appropriate location, two ends in turnover waters.Current subway tunnel protection airtight Flood gate of holding concurrently generally adopts and is respectively equipped with blocking mechanism in the left and right sides of door leaf, is provided with sealed beam in the downside of door leaf.Locking drive mechanism drives blocking mechanism to lock by linkage simultaneously or unlocks door leaf and lifting sealed beam.The shortcoming of linkage is, motion is steady not, and accumulated error is comparatively large, thus affects transmission accuracy, causes blocking device to damage.
Utility model content
For prior art above shortcomings, the utility model proposes a kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight, solve in prior art, connecting rod mechanism movement is steady not, accumulated error is comparatively large, the low problem causing blocking device to damage of transmission accuracy.
The technical solution of the utility model is achieved in that a kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight, comprise locking drive mechanism, be arranged on the locking headstock of door leaf both sides, by the locking head that screw thread is connected with described locking headstock, locking connecting rod, be arranged on sealed beam below door leaf, be fixed on the sealed beam tapered end on described sealed beam, sealed beam connecting rod, described locking drive mechanism drives described locking connecting rod and described sealed beam connecting rod respectively by door leaf locking and sealing, gear steering box is provided with between described locking drive mechanism and described locking connecting rod, described locking head is provided with screw thread, and between described locking connecting rod and described locking head, be provided with the tapered end leading screw matched with described locking head, described locking drive mechanism drives described locking link rotatable by gear steering box, described locking link rotatable drives tapered end leading screw to rotate, and then drive locking head axially-movable, lock with described locking headstock or unlock, gear steering box is provided with between described locking drive mechanism and described sealed beam connecting rod, described sealed beam tapered end is provided with screw thread, and between described sealed beam connecting rod and described sealed beam tapered end, be provided with the sealed beam leading screw matched with described sealed beam tapered end, described locking drive mechanism drives described sealed beam link rotatable by gear steering box, described sealed beam link rotatable drives described sealed beam leading screw to rotate, and by the threaded engagement with described sealed beam tapered end, drive described sealed beam to move up and down.The power that locking drive mechanism transmits by the utility model, by gear steering box, replaces linkage with screw mechanism, and dynamic force and motion is passed to locking mechanism and sealed beam, reaches the object of door leaf locking and sealed beam lifting.Screw mechanism stable movement, transmission accuracy is high, effectively solves in prior art, and connecting rod mechanism movement is steady not, accumulated error is comparatively large, the low problem causing blocking device to damage of transmission accuracy.
This is used for the hold concurrently blocking device of Flood gate of subway tunnel protection airtight and also comprises duplex bearing of usheing to seat, and described tapered end leading screw by mounting nuts and described duplex bearing axial restraint of usheing to seat, and is connected with described locking connecting rod and connects.Because tapered end leading screw and duplex bearing bi-directional axial of usheing to seat are fixed, the axial force that locking head produces can not be passed to gear steering box, thus effectively raises the life-span of gear steering box; Meanwhile, bearing support and gear steering box, locking head form freely-supported mechanism, significantly improve the stationarity of transmission.
Described gear steering box is spiral bevel gear steering box.The advantages such as the motion control of spiral bevel gear steering box is accurate, volume is little, noise is low, cost of upkeep is low, according to practical experience, can adopt T series helix bevel gear steering box.
Between described locking head and tapered end leading screw, the pitch of screw thread is different from the pitch of described sealed beam tapered end screw thread.According to the actual motion stroke of tapered end leading screw and sealed beam leading screw, can adopt different pitch, thus reach when locking head is locked into position, sealed beam reaches airtight after continuing to run a period of time, avoids scratching sealed beam adhesive tape.
Between described locking head and tapered end leading screw, screw thread and described sealed beam tapered end screw thread are trapezoidal thread.Trapezoidal thread can realize Bidirectional driving, thus completes door leaf locking or unlock and sealed beam lifting.
In order to reach better sealing effectiveness, between described sealed beam and ground, be provided with weather strip.
The utility model sets up gear steering box, linkage is replaced with screw mechanism, dynamic force and motion is passed to locking mechanism and sealed beam, reach the object of door leaf locking and sealed beam lifting, screw mechanism stable movement, transmission accuracy is high, effectively solves in prior art, connecting rod mechanism movement is steady not, accumulated error is comparatively large, the low problem causing blocking device to damage of transmission accuracy, has substantive distinguishing features and progress.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the blocking device structural representation of a kind of Flood gate of holding concurrently for subway tunnel protection airtight of the utility model;
Fig. 2 is the utility model locking head structural representation;
Fig. 3 is I partial enlarged drawing in Fig. 1;
Fig. 4 is II partial enlarged drawing in Fig. 1.
Mark in figure, 1, locking headstock; 2, locking head; 3, tapered end leading screw; 4, locking connecting rod; 5, locking drive mechanism; 6, sealed beam; 7, sealed beam leading screw; 8, sealed beam tapered end; 9, weather strip; 10, gear steering box; 11, gear-box connecting rod; 12, sealed beam connecting rod; 13, bearing support; 14, mounting nuts; 15, clutch shaft bearing; 16, the second bearing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In figure, locking headstock 1 is arranged on the both sides of door leaf, and locking head 2 one end is provided with internal thread, and matches with tapered end leading screw 3, and thread type is trapezoidal thread, and specification can adopt Tr40 × 14 (P7)-8H (right-hand thread).Bearing support 13 is provided with clutch shaft bearing 15 and the second bearing 16(forms duplex bearing of usheing to seat jointly), the other end of tapered end leading screw 3 by mounting nuts 14 and the second bearing 16 axial restraint, and is connected with locking connecting rod 4.The other end of locking connecting rod 4 is connected with locking drive mechanism 5 by gear steering box 10, gear-box connecting rod 11.
The below of door leaf is provided with sealed beam 6, sealed beam tapered end 8 is fixed on sealed beam 6, and be connected on locking drive mechanism 5 by sealed beam leading screw 7, sealed beam connecting rod 12, for being threaded between sealed beam leading screw 7 and sealing tapered end 8, thread type is trapezoidal thread, specification can adopt Tr40 × 20 (P10)-8H (left-hand thread), is provided with weather strip 9 between the below of sealed beam 6 and ground.
The power being arranged on locking drive mechanism 5 output on door leaf is divided into two parts, part power is delivered to gear steering box 10 by gear-box connecting rod 11, then locking connecting rod 4 and tapered end leading screw 3 is driven to rotate, tapered end leading screw 3 drives locking head 2 axially-movable by screw thread, thus locks with locking headstock 1 or unlock; Another part power drives sealed beam connecting rod 12 and sealed beam leading screw 7 to rotate by gear-box 10, and sealed beam leading screw 7, by screw thread, coordinates with sealed beam tapered end 8, lifting sealed beam 6.Because the screw thread be arranged between locking head 2 and tapered end leading screw 3 is different from the thread pitch on sealed beam tapered end 8, adjustment pitch ratio, can reach when locking head 2 is locked into position, sealed beam 6 reaches airtight after continuing to run a period of time, avoids scratching sealed beam adhesive tape 9.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the blocking device of a Flood gate of holding concurrently for subway tunnel protection airtight, the locking head, the tapered end leading screw that comprise locking drive mechanism, be arranged on the locking headstock of door leaf both sides, be connected with described locking headstock by screw thread, be arranged on sealed beam below door leaf, the sealed beam tapered end be fixed on described sealed beam, sealed beam connecting rod, described locking drive mechanism drives described locking connecting rod and described sealed beam connecting rod respectively by door leaf locking and sealing, it is characterized in that:
Gear steering box is provided with between described locking drive mechanism and described locking connecting rod, described locking head is provided with screw thread, and between described locking connecting rod and described locking head, be provided with the tapered end leading screw matched with described locking head, described locking drive mechanism drives described locking link rotatable by gear steering box, described locking link rotatable drives tapered end leading screw to rotate, and then drive locking head axially-movable, lock with described locking headstock or unlock;
Gear steering box is provided with between described locking drive mechanism and described sealed beam connecting rod, described sealed beam tapered end is provided with screw thread, and between described sealed beam connecting rod and described sealed beam tapered end, be provided with the sealed beam leading screw matched with described sealed beam tapered end, described locking drive mechanism drives described sealed beam link rotatable by gear steering box, described sealed beam link rotatable drives described sealed beam leading screw to rotate, and by the threaded engagement with described sealed beam tapered end, drive described sealed beam to move up and down.
2. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to claim 1, it is characterized in that: also comprise duplex bearing of usheing to seat, described tapered end leading screw by mounting nuts and described duplex bearing axial restraint of usheing to seat, and is connected with described locking connecting rod.
3. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to claim 1, is characterized in that: described gear steering box is spiral bevel gear steering box.
4. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to claim 3, is characterized in that: described spiral bevel gear steering box is T series helix bevel gear steering box.
5. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to claim 3, is characterized in that: between described locking head and described tapered end leading screw, the pitch of screw thread is different from the pitch of described sealed beam tapered end screw thread.
6. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to claim 5, is characterized in that: between described locking head and described tapered end leading screw, screw thread and described sealed beam tapered end screw thread are trapezoidal thread.
7. the blocking device of a kind of Flood gate of holding concurrently for subway tunnel protection airtight according to any one of claim 1 ~ 6 claim, is characterized in that: be provided with weather strip between described sealed beam and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650543.3U CN204311881U (en) | 2014-11-04 | 2014-11-04 | A kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650543.3U CN204311881U (en) | 2014-11-04 | 2014-11-04 | A kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204311881U true CN204311881U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420650543.3U Expired - Fee Related CN204311881U (en) | 2014-11-04 | 2014-11-04 | A kind of blocking device of Flood gate of holding concurrently for subway tunnel protection airtight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204311881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143263A (en) * | 2017-07-21 | 2017-09-08 | 上海民防建筑研究设计院有限公司 | Singly fan airtight blast door in a kind of gateway |
| CN107165674A (en) * | 2017-07-21 | 2017-09-15 | 上海民防建筑研究设计院有限公司 | A kind of interval partition door with sealed bottom mechanism |
| CN116905933A (en) * | 2023-08-02 | 2023-10-20 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
-
2014
- 2014-11-04 CN CN201420650543.3U patent/CN204311881U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143263A (en) * | 2017-07-21 | 2017-09-08 | 上海民防建筑研究设计院有限公司 | Singly fan airtight blast door in a kind of gateway |
| CN107165674A (en) * | 2017-07-21 | 2017-09-15 | 上海民防建筑研究设计院有限公司 | A kind of interval partition door with sealed bottom mechanism |
| CN107143263B (en) * | 2017-07-21 | 2023-05-26 | 上海民防建筑研究设计院有限公司 | Single-leaf protective airtight door for doorway |
| CN116905933A (en) * | 2023-08-02 | 2023-10-20 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
| CN116905933B (en) * | 2023-08-02 | 2023-12-22 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |