CN203755878U - Transmission case at two sides of personnel air lock - Google Patents
Transmission case at two sides of personnel air lock Download PDFInfo
- Publication number
- CN203755878U CN203755878U CN201320874146.XU CN201320874146U CN203755878U CN 203755878 U CN203755878 U CN 203755878U CN 201320874146 U CN201320874146 U CN 201320874146U CN 203755878 U CN203755878 U CN 203755878U
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- CN
- China
- Prior art keywords
- transmission case
- worm
- access lock
- casing
- notched disc
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a transmission case at two sides of a personnel air lock, which is used for solving the technical problem that an existing transmission case at two sides of the personnel air lock is time-wasting, labor-wasting, complicated in structure, large in adjustment coefficient of difficulty and poor practicability. The transmission case is provided with an upper cover plate, a lower bottom plate, a side cover plate, a worm rod, a worm gear shaft, a rotating shaft and an interlocking device, wherein a bearing is arranged on the worm gear shaft, and the worm gear shaft longitudinally penetrates through a case body and is fixedly connected with the case body through the bearing; the worm rod and the rotating shaft transversely penetrate through the case body and are fixedly connected with the case body, and the worm rod is meshed with a worm gear. The transmission case provided by the utility model can be widely applied to the field of transmission.
Description
Technical field
The utility model relates to a kind of access lock, especially relates to a kind of access lock both sides transmission case.
Background technology
In nuclear power station field, access lock is installed on Containment for PWR Nuclear Power Plant.Access lock is at reactor cold-refueling and run duration, and the personnel such as operation, safety check and maintenance pass in and out the passage of containment.Meanwhile, it also can be used for transporting of some mini-plant such as instrument and instrument.Access lock both sides transmission case is positioned at the both sides of access lock, is a critical component of access lock transmission system.It forms complete transmission system together with other transmission mechanisms such as power transmission shaft, shaft coupling, middle part transmission case and gear, has been the basis of access lock feature operation.
Although the design of existing access lock both sides transmission case can meet instructions for use, but still has following subject matter:
(1) gearratio is little, and manual operation is wasted time and energy;
(2) complex structure, processing, assembly process process is poor; Transmission case can not assemble separately and debug, and adjustment difficulty coefficient is larger;
(3) do not possess auto-lock function, reliability a little less than.
Summary of the invention
The utility model be for assigned personnel's gate both sides transmission case have that operation is wasted time and energy, complex structure, adjustment difficulty coefficient are large and practicality a little less than technical problem, provide a kind of operate time saving and energy saving, simple in structure, adjust simple and practical access lock both sides transmission case.
For this reason, the utility model is provided with casing, and casing is provided with upper cover plate, lower shoe and side cover plate, is also provided with worm screw, worm-wheel shaft, rotating shaft and interlock, and worm-wheel shaft is provided with bearing, and worm-wheel shaft longitudinally passes casing, and is fixedly connected with casing by bearing; Worm screw and rotating shaft are horizontally through casing, and are fixedly connected with casing, and worm screw is meshed with turbine.
The preferred technical scheme of the utility model is that interlock is provided with notched disc A, notched disc B, shift fork and screw axis, and notched disc A is sheathed in rotating shaft, and notched disc B is sheathed on worm-wheel shaft; Shift fork is provided with two ends, and one end contacts with notched disc A, and the other end and screw axis form a fixed connection on the axial direction along screw axis.
The further preferred technical scheme of the utility model is to be also provided with tooth bar connecting rod, is also provided with sector gear on worm-wheel shaft, and tooth bar connecting rod is connected with sector gear.
The further preferred technical scheme of the utility model is to be also provided with breast wheel, is also provided with partial gear on worm-wheel shaft, and breast wheel is meshed with described partial gear.
The further preferred technical scheme of the utility model is that worm screw is provided with two ends, and one end is provided with top handwheel, and the other end is provided with shaft coupling.
The further preferred technical scheme of the utility model is that rotating shaft is provided with two ends, and one end is provided with bottom handwheel, and the other end is provided with shaft coupling.
The further preferred technical scheme of the utility model is that screw axis is provided with two ends, and wherein at least one end is provided with end handwheel.
The further preferred technical scheme of the utility model is that upper cover plate and side cover plate are detachable.
It is transmission that the utility model adopts worm and wormwheel, and gearratio is large, and operational torque is little, is beneficial to manual operation; Worm and wormwheel is that transmission has auto-lock function, simple in structure, and processing, assembly process process is good, and stable drive is reliable, accurately, and adjusting program is simply easy; Transmission case can overallly assemble separately, debugging, and integral installation is in transmission system, and it is convenient to load and unload, overhaul; The utility model is also provided with interlock, can complete easily interlock, and reliability is strong.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the B-B view of Fig. 1;
Fig. 4 is stereogram of the present utility model (omission casing).
Symbol description in figure:
1. casing; 2. worm gear; 3. worm-wheel shaft; 4. notched disc A; 5. notched disc B; 6. shift fork; 7. partial gear; 8. breast wheel; 9. tooth bar connecting rod A; 10. tooth bar connecting rod B; 11. sector gear A; 12. sector gear B; 13. worm screws; 14. shaft couplings; 15. rotating shafts; 16. screw axis; 17. bearings; 18. upper cover plates; 19. lower shoes; 20. side cover plates; 21 bearings; 22. bearings; 23. top handwheels; 24. bottom handwheels; 25. end handwheels.
Detailed description of the invention
Now, describe detailed description of the invention of the present utility model in detail with reference to accompanying drawing.
As shown in Figures 1 to 4, the utility model is provided with casing 1 and turbine wheel shaft 3, and casing 1 meets nuclear power station shockproof requirements.Casing 1 is provided with upper cover plate 18, lower shoe 19 and side cover plate 20, and upper cover plate 18 and side cover plate 20 are detachable, and by bolton on casing 1, for install, debugging and observe use.Turbine wheel shaft 3 is provided with upper and lower two bearings 21, and they form a fixed connection by upper cover plate 18 and the lower shoe 19 of bolt and casing 1 respectively.On turbine wheel shaft 3 in casing 1, be also provided with turbine 2, it is with adjacent in the bearing 21 of turbine wheel shaft 3 tops.
Turbine wheel shaft 3 passes casing 1, and stretches out from upper cover plate 18 and lower shoe 19 these two ends.Be provided with sector gear A11 and sector gear B12 in the turbine wheel shaft 3 of upper cover plate 18 tops, sector gear A11 is positioned at the top of sector gear B12; Turbine wheel shaft 3 in lower shoe 19 belows is provided with partial gear 7, and the breast wheel 8 that partial gear 7 closes on it is meshed.
The utility model is also provided with tooth bar connecting rod A9 and tooth bar connecting rod B10, and sector gear A11 is connected with tooth bar connecting rod A9, and tooth bar connecting rod A9 is connected with the equalizing valve of transmission system; Sector gear B12 is connected with tooth bar connecting rod B10, and tooth bar connecting rod B10 is connected with the locking device of sealed door.
The utility model is also provided with worm screw 13 and rotating shaft 15, and worm screw 13 laterally passes from the top of casing 1, and rotating shaft 15 is laterally passed from the bottom of casing 1.In worm screw 13 and rotating shaft 15, be equipped with two bearings 22 in left and right, they form a fixed connection by bolt two side plates relative with casing 1 respectively.
Worm screw 13 is provided with tooth, is also provided with tooth on turbine 2, and the tooth on worm screw 13 is meshed with the tooth on turbine 2.In the time that worm screw 13 is rotated, turbine 2 also can and then rotate.The left end of worm screw 13 is also provided with top handwheel 23, and it is used for the rotation of handled easily worm screw 13; The right-hand member of worm screw 13 is connected with shaft coupling 14, and shaft coupling 14 is connected with the middle part transmission case in whole transmission system.The left end of rotating shaft 15 is provided with bottom handwheel 24, and right-hand member is also connected with shaft coupling 14, and shaft coupling 14 is connected with the middle part transmission case of whole transmission system.
The utility model is also provided with interlock, and interlock is provided with notched disc A4, notched disc B5, shift fork 6 and screw axis 16, and shift fork 6 and screw axis 16 are contained on casing 1 by bearing 17.Notched disc B4 is sheathed and be fixed in rotating shaft 15, and notched disc B5 is sheathed and be fixed on turbine wheel shaft 3.Adjust the position of two notched discs, allow the recess of two notched discs can realize interlock when vertically just to position.One end of shift fork 6 contacts with notched disc A4, and the other end is set on screw axis 16 and on the axial direction of screw axis 16 and forms fixed-link.The two ends of screw axis 16 are equipped with end handwheel 25, and it is used for handling the clutch of interlock.In the time that pivoting end handwheel 25 makes screw axis 16 follow rotation, the shift fork 6 being fixedly connected with screw axis 16 will be stirred notched disc A4, and making gradually notched disc A4 and notched disc B5 throw off is completely release.
Below the course of work of the present utility model is illustrated:
Access lock both sides transmission case coordinates other transmission cases and drive disk assembly, can carry out all functions operation to access lock.Top handwheel 23 can manipulate proximal end door, and bottom handwheel 24 can operate far-end door.When near-end door and far-end door are during all in closed condition, the notch portion of two notched discs of interlock in vertically just to position, the now any all free open and close separately in the sealed door of near, far-end.
While opening near-end door, rotate top handwheel 23, thereby drive worm screw 13 to rotate, further make also and then rotation of worm-wheel shaft 3.The rotation of turbine wheel shaft 3 makes notched disc B5 also follow one and plays rotation, when the arc sections of notched disc B5 enter the recess position of notched disc A4, when blocking notched disc A4 it can not being rotated, thereby pin rotating shaft 15, also just reached the object of pinning far-end door, formed interlocking.Meanwhile, be fixed on sector gear A11 and the sector gear B12 revolution in order successively of worm-wheel shaft 3 upper ends, sector gear A11 drives tooth bar connecting rod A9 first to open equalizing valve, and sector gear B12 drives tooth bar connecting rod B10 to open the locking device of sealed door again; Then the partial gear 7 of following the rotation of worm-wheel shaft 3 and rotate, drives transmission device that be adjacent, that be contained in the breast wheel 8 on on-deck plate and be connected with breast wheel 8, thereby opens near-end sealed door.Handwheel direction of rotation is contrary at closing time.
While opening far-end door, rotate bottom handwheel 24, thereby drive rotating shaft 15 to rotate, further make the notched disc A4 being connected with rotating shaft 15 rotate, when the arc sections of notched disc A4 enter the recess position of notched disc B5, when blocking notched disc B5 it can not being rotated, thereby pin worm-wheel shaft 3, also just reached the object of pinning near-end door, formed interlocking.Meanwhile, the other end of rotating shaft 15 is connected with the power transmission shaft of transmission case both sides, middle part in whole transmission system by shaft coupling 14, and further drives the worm screw 13 of opposite side transmission case to complete and open near-end door same sequence and move and open far-end sealed door.Handwheel direction of rotation is contrary at closing time.
In the time that need are untied interlocking, pivoting end handwheel 25, stirs notched disc A4 by screw axis 16 shift forks 6, and it is release that notched disc A4 and notched disc B5 are thrown off completely, thereby realizes sealed door free switch near, far-end.
In the time that need recover interlocking, counter-rotation end handwheel 25, stirs notched disc A4 by screw axis 16 shift forks 6, makes notched disc A4 return to former extreme position, realizes sealed door interlocking near, far-end.
Only as described above; it is only specific embodiment of the utility model; when not limiting the scope that the utility model is implemented with this; therefore the displacement of its equivalent assemblies; or equivalent variations and the amendment done according to the utility model scope of patent protection, all should still belong to the category that the utility model claims are contained.
Claims (8)
1. an access lock both sides transmission case, it is provided with casing, described casing is provided with upper cover plate, lower shoe and side cover plate, it is characterized in that being also provided with worm screw, worm-wheel shaft, rotating shaft and interlock, described worm-wheel shaft is provided with bearing, described worm-wheel shaft longitudinally passes described casing, and is fixedly connected with described casing by described bearing; Described worm screw and described rotating shaft are horizontally through described casing, and are fixedly connected with described casing, and described worm screw is meshed with described turbine.
2. access lock according to claim 1 both sides transmission case, is characterized in that described interlock is provided with notched disc A, notched disc B, shift fork and screw axis, and described notched disc A is sheathed in described rotating shaft, and described notched disc B is sheathed on described worm-wheel shaft; Described shift fork is provided with two ends, and one end contacts with described notched disc A, and the other end and described screw axis form a fixed connection on the axial direction along screw axis.
3. access lock according to claim 2 both sides transmission case, is characterized in that being also provided with tooth bar connecting rod, is also provided with sector gear on described worm-wheel shaft, and described tooth bar connecting rod is connected with described sector gear.
4. access lock according to claim 3 both sides transmission case, is characterized in that being also provided with breast wheel, is also provided with partial gear on described worm-wheel shaft, and described breast wheel is meshed with described partial gear.
5. according to the access lock both sides transmission case described in claim 2 or 4, it is characterized in that described worm screw is provided with two ends, one end is provided with top handwheel, and the other end is provided with shaft coupling.
6. access lock according to claim 5 both sides transmission case, is characterized in that described rotating shaft is provided with two ends, and one end is provided with bottom handwheel, and the other end is provided with shaft coupling.
7. access lock according to claim 6 both sides transmission case, is characterized in that described screw axis is provided with two ends, and wherein at least one end is provided with end handwheel.
8. access lock according to claim 7 both sides transmission case, is characterized in that described upper cover plate and described side cover plate are detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874146.XU CN203755878U (en) | 2013-12-27 | 2013-12-27 | Transmission case at two sides of personnel air lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874146.XU CN203755878U (en) | 2013-12-27 | 2013-12-27 | Transmission case at two sides of personnel air lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755878U true CN203755878U (en) | 2014-08-06 |
Family
ID=51251166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874146.XU Withdrawn - After Issue CN203755878U (en) | 2013-12-27 | 2013-12-27 | Transmission case at two sides of personnel air lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755878U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670112A (en) * | 2013-12-27 | 2014-03-26 | 山东核电设备制造有限公司 | Transmission cases on two sides of personnel airlock |
| WO2015096710A1 (en) * | 2013-12-27 | 2015-07-02 | 山东核电设备制造有限公司 | Personnel airlock system and side drive apparatus thereof |
| CN108643749A (en) * | 2018-05-18 | 2018-10-12 | 中广核研究院有限公司 | A kind of personnel gate transmission case |
-
2013
- 2013-12-27 CN CN201320874146.XU patent/CN203755878U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670112A (en) * | 2013-12-27 | 2014-03-26 | 山东核电设备制造有限公司 | Transmission cases on two sides of personnel airlock |
| WO2015096710A1 (en) * | 2013-12-27 | 2015-07-02 | 山东核电设备制造有限公司 | Personnel airlock system and side drive apparatus thereof |
| CN103670112B (en) * | 2013-12-27 | 2015-09-23 | 山东核电设备制造有限公司 | Access lock both sides transmission case |
| CN108643749A (en) * | 2018-05-18 | 2018-10-12 | 中广核研究院有限公司 | A kind of personnel gate transmission case |
| CN108643749B (en) * | 2018-05-18 | 2020-02-07 | 中广核研究院有限公司 | Personnel gate transmission case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |